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SERVICE MANUAL - Amp Air

Contents

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5. S Connect the remote controller cord to the Upper Sheath terminal block Connect the terminal of remote controller X Y Board Upper case Upper case with the terminal of indoor unit X Y X and Y are no polarity x v Wiring route is as shown in the right diagram ollgl depending on the pulling out direction Lower Wiring Lower Wiring In case of pulling out from In case of pulling out from upper left upper center The wiring inside the remote controller case should be within 0 3mm recommended to 0 5mm The sheath should be peeled off inside the remote controller case The peeling off length of each wire is as below Pulling out from upper left Pulling out from upper center X wiring 215mm X wiring 170mm The peeling off length Y wiring 195mm Y wiring 190mm MF 6 Install the upper case as before so as not to catch up the remote controller cord and tighten with the screws 7 In case of exposing cord fix the cord on the wall with cord clamp so as not to slack Installation and wiring of remote controller CD Wiring of remote controller should use 0 3mm x 2 core wires or cables on site configuration Q Maximum prolongation of remote controller wiring is 600 m If the prolongation is over 100m change to the size below But wiring in the remote controller case should be under 0 5mm Change the wire size outside of the case according to
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7. T Drain hose Accessory Ciamp Accessor Drain socket No adhesive allowed Pipe cover smal For insulation Accessory Pipe cover For insulation Prepare on site Fasten the screw within 5 mm left to the nut Hose clamp Drain hose Drain Drain pipe continued 2 Prepare a joint for connecting VP 20 pipe adhere and connect the joint to the drain hose the end made of rigid PVC and adhere and connect VP 20 pipe prepare on site 3K As for drain pipe apply VP 20 made of rigid PVC which is on the market When installing drain pipe use VP 20 for the pipe goes up the closest to the unit and VP 25 or higher number product for farther pipes Make sure that the adhesive will not get into the supplied drain hose It may cause the flexible part broken after the adhesive is dried up and gets rigid The flexible drain hose is intended to absorb a small difference at installation of the unit or drain pipes Intentional bending expanding may cause the flexible hose broken and water leakage CB x 3 xX Make sure to make descending slope of greater than 1 100 and do not make up down bend and or trap in the midway Pay attention not to give stress on the pipe on the indoor unit side and support and fix the pipe as close place to the unit as possible when connecting the drain pipe Do not set up air vent 1 5m 2m Supporting met
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9. 3 Removing corner panel Unscrew the screw from the corner area pull the corner panel toward the direction indicated by the arrow mark 10 PAC SM 137 PJA012D783 4 Attaching a corner panel First insert the part a of a corner panel into the part A of the cover panel engage two hooks and tighten the screw 5 Panel installation Install the panel on the unit after completing the electrical wiring For fixing temporarily For hoisting the panel 1 Screw in two bolts out of the four supplied with the panel by about slightly less than 5mm Figure 1 Figure 1 2 Attach the hook supplied with the panel to the main body with the hook fixing screw 1 screw Figure 2 3 Open the intake grille 4 Please remove the screw of a corner panel and remove a corner panel four places 5 A panel is hooked on two bolts 6 mark amp 8 Figure 3 120 6 Please rotate a hook put in the slot on the panel and carry out fixing the panel temporarily Figure 4 7 Tighten the two bolts used for fixing the panel temporarily and the other two Improperly tightened hanging bolts can cause the problems listed below so make ceiling and the decorative panel even sure that you have tightened them after the hanging bolts are tightened securely adjust the installation level of the indoor unit again Air Fe 3
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34. a Press 08 SET button Fixing of the upper limit position The upper limit position is fixed and the setting position is displayed for two seconds Then proceed to lower limit position selection display EXAMPLE fel UPPER shows current settings Kdaplryed tor two seconda Press aor vbutton Selection of lower limit position Select the lower limit position of louver position 1 is the most horizontal and position 6 is the most downwards position is to return to the factory setting If you need to change the setting to the default setting use position Ws LOWER We LOER P the horzontat the downwards No 1 LOWER to Pe setting 9 Press AOD SET button Fixing of the lower limit position Upper limit position and lower limit position are fixed and the set positions are displayed for two seconds then setting is completed After the setting is completed the louver which was set moves from the original position to the lower Upper limit position and goes back to the original position position 48 again This operation is not performed if the indoor unit and or indoor unit fan is in operation Exampte 16 displayed for two seconds SET COMPLETE Phl A Lower position T 10 Press button eLouver adjusting mode ends and returns to the original display Caution If the upper limit posi
35. Are the 1 femperature conditions of room and outdoor air close This unit is designed to start in the soft start mode by detecting the under dome temperature of compressor when it restart after power reset It is necessary to replace to higher capacity one or to install additional unit Compressor refrigerant oil protection control at starting 15 activated For the contents of control refer to the compressor start control of the microcomputer control functions Compressor may be stopped by the error detection control For the contents of control refer to anomalous stop control by controlling compressor rotation speed of microcomputor control functions Inspect the followings Minor clogging of filter Minor clogging of heat exchanger Minor short circuit Minor shortage of refrigerant amount Poor compression of compressor Considering appropriate operation control check suspicious points Inspect the followings for reference compressor YES _ gt Faulty expansion valve to the rated Major clogging e operation Note 1 Outdoor 7 C Indoor 20 C clogging of heat NO exchanger Y Major short circuit E Major shortage of The unit is operating normally but is refrigerant amount operating under the contol for protecting Compressor protection ON compressor or other respective parts Indoor fan tap
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46. Is DCSV detected if the inverter power supply connector is disconnected NO YES Normal Malfunction by noise See next page Replace noise filter Check connection of diode stack and electrolytic capacitor by refering main electrical circuit diagram Defective outdoor control PCB Replace Defective outdoor control PCB Replace Defective outdoor fan motor Defective inverter PCB Replace Defective outdoor control PCB Replace Note 10 PAC SM 137 Remote controller fs WAIT ED feen Red Indoor Keeps flashing Stays OFF Outdoor Keeps flashing 2 times flash Communication error at initial operation 3 3 1 Applicable model 5 Troubleshooting models Diagnosis Countermeasure 2 Error detection method 3 Condition of Error displayed 4 Presumable cause Blown fuse Faulty noise filter Faulty inverter PCB Faulty reactor Faulty electrolytic capacitor Method to check for inverter PCB before replacement of blown power supply fuse noise Isn t short circuit between Isn t any crack burni YES Isn t there a short circuit between phases of the input terminals NO YES transistor module Is the electrolytic capacitor YES ilter Replace the NO noise filter
47. ULI seb 5 spuey suounq Aue yono you sa2uejsqns ejqnsnquioo ALOA 10 129 02 10 Sway Jo eDeurep ayy ueo y sese pue suung se uons ajqnsnquioo Jo proe snounjns se uons se yun esu 30 00 pe 10 sjuejd sjeuyue jo pue uoisioaud spooz Buuojs se uons sasodind 1905 104 ay asn you 00 asneo 52526 paea pue yoaye ULI mooo ojqnsnquioo jo afexeo pun aug jesu you oq Rajes yo jouueo AUM suoneoo eJ pue aunjiej YUN asneo ULI peaJuy 190 10 Jaddoo uy noua ayy Bunaeuuon paoejd s j9 9291 JO Jas AJ peoejd s soruouureu ubi Aq papae jueuudinbe ue suome2o pasn aq 0 aie sasny 1281102 YM e Jeu sjeuajeui Aue asn jou oq a2ejd 10 y uo Ajsnouas 129jje ueo yun au parereue punos uoneJedo pue SUORLIOT SXDous 94149913 10 UBD Paesu JOU SI Jayealg eDexeo
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50. Are more than 3 units of remote controller connected Does remote YES controller display Slave NO Do more than YES one indoor units have the same address NO Is it set to a slave indoor unit YES SW5 1 27 NO Is there loose or wrong connection at the termanal YES of wiring between indoor and outdoor units Is the YES grounding wire connected properly YES Is approx DC20V detected between NO on the outdoor unit terminal block YES Is approx DC20V detected between NO on the indoor unit terminal block YES NO Reduce to 2 units or less Change remote controller setting to Master SW1 on remote controller PCB Change address SW2 on indoor control PCB Change to master SW5 1 2 on indoor control PCB Correct Correct Defective outdoor control PCB Replace Broken connecting wire Correct Defective indoor control or power PCB Replace INSPECT I U Note If any error is detected 30 minutes after displaying ih WAIT on the remote controller the display changes to 10 PAC SM 137 Remote controller fs WAIT rf LED Green Red Indoor Keeps flashing Stays OFF Outdoor Keeps flashing 2 times flash Communication error at
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53. aseald e sjulod ay diusuorjeje1 seouenbesuoo Ayiqissod e ospe si uonoes 9 y uonnijod 10 Anfu snoues ujeep euop ue Jo Ayigissod Buoys sjuiod asouy NOIL v9 V pue DNINYWM sBuipeeu ony papinip payeoipul sjurod ueuonneoeid ayy e uay pue ajqeyns Aq 0 j2edse suonneoaud aye 104 Ajajeg e S NO 2 H d Ala JVS eu UAL 151 ped jeuondo ue se Ajayesedas parjddns si jun 014009 Y jun YM saujoo jeu jenueui 3y 0 13431 aseajd Huidid jueje6uja1 pue uonej ejsur pun 100p1no 104 IU uo jno 195 suononujsu 995 aseejd Dum e9u999 104 jun ue jo ay sajejsniji uononJjsul SIY 200 LOAMY MHS d jem 9 140 10 PAC SM 137
54. hulooo ITN NOVA NO S MS ay aq JossaudwoD 2 919 xuug i 8 Scl 6 5 Aq peuuojied eq ues 9 9L 00L jeu jo poujejw HM NO 01 SIU Jas Munoo J A Jequnu pasn si pun y ueuM Buruuuni jou si J0sseJduioo ayy 925 M yeg Joopyno Ioopur UiBuej ejqeo MOJ 925 oquo 19M0d JUNO XVI pue Jamo JO 2 01 s ej usu moug ZEMS uo Q spuooes JO uni ue yun Joopu od eui uy uonoeuuoo ug jun joopino eui NO s ois 5191 ueuMw 79 juod eu ort einjejeduuej eave eu ui NO peuuni X PINOYS YMS siu uows sig NO Aq 0490 IEMS 910 ak 3k ud eu 00 5 1e dn je Bumes eoo 2901 14S dn 48S EMS eom Jequinu 2215 V youms ainssaid ui IHES ezis ei yeg Busy amod 9218 e qeo quand 009 104 Areyxny 9XcG Dunoeuuoo 1o0pjno Ioopul AJLI 502 10 Aeros frein exes zona vows ans ws
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57. CnT 6 Operation Operation NE permission l Unit stops Only the LEVEL INPUT is acceptable for external input however when the indoor function setting of Level input Factory default or Pulse input is selected by the function for External input of the wired remote controller operation status will be changed as follows In case of Level input setting In case of Pulse input setting Unit operation from the wired remote controller becomes 2 available 1 Unit starts operation 1 In case that Operation permission prohibition mode setting is Valid and External input setting is Level input Factory default D When card key switch is ON CnT 6 ON Operation permission start stop operation of the unit from the wired remote controller becomes available 2 When card key switch is OFF CnT 6 OFF Operation prohibition the unit stops operation in conjunction with OFF signal and start stop operation of the unit from the wired remote controller becomes not available 2 In case that Operation permission prohibition mode setting is Valid and External input setting is Pulse input Local setting D When card key switch is ON Operation permission the unit starts operation in conjunction with ON signal and also start stop operation of the unit from the wired remote controller becomes available 2 When card key switch is OFF Operation prohibition the unit s
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62. ThO A EN 915 88 d 0 Service valve Flare connecting Flare connecting Check joint Thermistor 4way valve Heat exchanger High pressure Heat exchanger ThI R3 switch Thermist Return air Lower pressure sensor ThI A Thermistor ThO R1 Thermistor Heat exchanger F ThI R2 N Accumlator Thermistor Heat exchanger Compressor Thermistor CHAN Suction ThO R2 Flare connecting Sh coolin Liquid line Pea eT Service valve Flare connecting Strainer Electronic Electronic expansion valve expansion valve cooling EEVC heating EEVH Receiver 113 2 Twin type Model 71 Indoor unit O Indoor unit Gas branch pipe 12 7 Indoor unit 10 PAC SM 137 Gas line Flare connecting Thermistor Heat exchanger ThI R3 or Th22 Thermistor Return air or Th1 Heat exchanger op erem Thermistor Heat exchanger ThI R2 or Th21 switch 63 1 Thermistor Heat exchanger ThI R1 Flare connecting 6635 Liquid line 9 52 gt Service valve Flare connecting High pressure Check valve Discharge Compressor Suction 4way valve Thermistor ThO S Thermistor Solenoid v
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66. 1 time Inverter PCB A F module anomaly LED Error code Indoor overcurrent of A F if the current exceeds the specifications it makes the compressor stopping 3 Condition of error displayed If the output current of A F exceeds the specifications it makes the compressor stopping 4 Presumable cause Defective inverter PCB compressor motor OK 1 1 154Q or more at 20 C FDC71 Outdoor Yellow LED Model FDC71VNX Inverter PCB 7 times flashing J 1 Applicable model 5 Troubleshooting Model FDC71 Diagnosis Countermeasure Is the Power supply voltage OK NO Check power supply YES 2 Error detection method In order to prevent from pn Fen NO gt Replace compressor Defective outdoor Inverter PCB Replace Note 92 10 PAC SM 137 Error code Remote controller E48 LED Green Red Indoor Keeps flashing Stays OFF Outdoor Keeps flashing 1 time flash Outdoor fan motor anomaly 1 Applicable model 5 Troubleshooting All models 2 Error detection method Detected by rotation speed of outdoor fan motor 3 Condition of Error displayed When actual rotation speed of outdoor fan motor 1 drops to 100min or lower for 30 minutes continuously the compressor and the outdoor fan motor stop After 3 min
67. 40 20 Temperature thermistor resistance 00 Shot circuit 20 40 60 80 Temperature 120 140 160 Note 10 PAC SM 137 Error code Remote controller E40 LED Green Red Indoor Keeps flashing Stays OFF Outdoor Keeps flashing 1 time flash High pressure error 63 1 activated 1 Applicable model 5 Troubleshooting All models 2 Error detection method When the high pressure switch 63 1 15 activated Compressor OFF owe o 3 15 4 15 High pressure MPa 3 Condition of Error displayed If 63H1 turns OFF opened the compressor stops After 3 minutes delay the compressor restarts If this anomaly occurs 5 times within 60 minutes or continues for 60 minutes continuously 4 Presumable cause Short circuit of air flow disturbance of air flow and clogging filter at outdoor heat exchanger Breakdown of fan motor Defective outdoor control PCB Defective 63H1 connector Defective electronic expansion valve connector Closed service valve Mixing of non condensing gas nitrogen etc Diagnosis Countermeasure If the power supply breaker E40 may be displayed This is normal Is the is turned OFF and ON too quickly service valve fully opened YES Has 63 1 activated
68. LOWER 18 C A 2 Select the lower limit value with temperature setting button V A Indication example LOWER 24 C V blinking 8 Press SET button to fix Indication for example LOWER 24 C Displayed for two seconds After the fixed lower limit value displayed for two seconds the indication will return to LOWER LIMIT W 8 Press ON OFF button to finish It is possible to finish by pressing TEMP RANGE ON OFF button on the way but a jJ unfinished change of setting is CYA AED unavailable rH 3 5 609 During setting if you press 7 C22 RESET button you return to the m 2 4 Previous button 146 10 e PAC SM 137 The functional setting The initial function setting for typical using is performed automatically by the indoor unit connected when remote controller and indoor unit are connected As long as they are used in a typical manner there wiil be no need to change the initial settings If you would like to change the initial setting marked C set your desired setting as for the selected item The procedure of functional setting is shown as the following diagram Flow of function setting S
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73. Areas where dew point is lower than around 28 C and relative humidity is lower than 80 This indoor unit is tested under the condition of JIS Japan Industrial Standard high humid ity condition and confirmed there is no problem However there is some risk of condensa tion drop if the air conditioner is operated under the severer condition than mentioned above If there is a possibility to use it under such a condition attach additional insulation of 10 to 20mm thick for entire surface of indoor unit refrigeration pipe and drain pipe Air outlet duct Drain Connectab Drain Natural drainage VP25 P20 2 m wl 28 ere is enough space to install and service can be drained properly Areas where drain pipe descending slope can be Multi type Single type 90 112 140 100 125 140 D 25 100 50 260 Z Air outlet duct Areas where TV and radio stays away more than 1m It could cause jamming and noise Areas where any items which will be damaged by table wares server or medical equipment under the Areas where there is no Areas where not exposed to oil mist powder and or Areas where lighting device such as fluorescent ligh the operation A beam from lighting device some
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75. Do drain test even if installation of heating season 130 8 Wiring out position and wiring connection Electrical installation work must be performed according to the installation manual by an electrical installation service provider qualified by a power provider of the country and be executed according to the technical stan dards and other regulations applicable to electrical installation in the coun try Be sure to use an exclusive circuit Use specified cord fasten the wiring to the terminal securely and hold the cord securely in order not to apply unexpected stress on the terminal Do not put both power source line and signal line on the same route It may cause miscommunication and malfunction Be sure to do D type earth work For the details of electrical wiring work see attached instruction manual for electrical wiring work Remove a lid of the electrical box 2 screws Hold each wiring inside the unit and connect to a terminal block surely Fix the wiring by clamps Install the removed parts back to original place Single split PAC seri Power source side terminal block Signal side terminal block hy Wireless receiver line Remote controller line Wiring between indoor Earth Wiring clamp outdoor unit Power source side terminal block Signal side terminal block Wireless receiver line VRF KX series Ay Signal line shielded cord Remote controller line In
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77. Malfunction by noise Check surrounding environment Note 10 PAC SM 137 Error code Remote controller E16 LED Green Red Indoor Keeps flashing Stays OFF Outdoor Keeps flashing Stays OFF Indoor fan motor anomaly In case of FDTC FDT and SRK series J Note 1 Value in are for the model SRK I Applicable model 5 roubleshooting FDTC FDT and SRK series only 2 Error detection method Detected by rotation speed of indoor fan motor 3 Condition of Error displayed When actual rotation speed of indoor fan motor drops to lower than 200rpm for 30 seconds continuously the compressor and the indoor fan motor stop After 2 seconds it starts again automatically but if this error occurs 4 times within 60 minutes after the initial detection FDT series only 4 Presumable cause Defective indoor power control PCB Foreign material at rotational area of fan propeller Defective fan motor Dust on control PCB Blown fuse External noise surge Diagnosis Countermeasure Does any foreign material intervene in rotational area of fan propeller YES gt NO Does rotate smoothly when turned by hand the fan Remove foreign material NO gt YES Is DC280V detected between 1
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79. be reset producing 1 5 C increase in return air temperature of indoor unit FETO _ be reset producing 1 0 C increase in return air temperature of indoor unit Mos ___ OFFSET 10t be reset producing 1 0 C increase in retum air temperature of indoor unit OFFSET 15t __ To be reset producing 1 5 C increase in return air temperature of indoor unit OFFSET 200 _______ To be reset producing 2 0 C increase in return air temperature of indoor unit LOV FAN SPEED When heating thermostat is off to be operated with low air flow When heating thermostat is off to be operated with set air flow INTERMITTENCE When heating thermostat is off to be operated intermittently FAN OFF When heating thermostat is off the fan stops When the remote thermistor is working FAN OFF is set automatically Do not set when the indoor unit s thermistor is working Change of indoor heat exchanger temperature to start frost prevention control Drain pump is on during cooling dry and fan NO REMAINING After cooling is stopped or cooling thermostat is off the fan does not perform extra operation OS HIR _______ After cooling is stopped or cooling thermostat is off the fan perform extra operation for half an hour QR After cooling is stopped or cooling thermostat is off the fan perform extra operation for an hour GHIR After cooling is stopped or coolin
80. duct Connecting the air intake vent ducts Fresh Air Intake for air intake duct only Ouse the side fresh air intake hole or supply through a part of the suction duct for simultaneous air intake vent Olntake air through the suction duct the side cannot be used At vent Fresh air intake through the gt gt suction duct 2 Air Vent 20 Air vent hole Fresh air intake through the suction duct Ouse the duct flange for the air intake vent sold separately for 125 circular duct connection and connect the 125 circular duct tighten with band Olnsulate the duct to protect it from dew condensation Ouse the side air vent hole always use together with the air intake ure with a band etc 10 PAC SM 137 ORefrigerant pipe Use the new refrigerant pipe When re using the existing pipe system for R22 or R407C pay attention to the following items Change the flare nuts with the attached ones JIS category 2 and reprocess the flare parts Do not use thin walled pipes Use phosphorus decxidized copper alloy seamless pipe 012207 specified in JIS H3300 for refrigeration pipe installation In addition make sure there is no damage both inside and outside of the pipe and no harmful substances such as sulfur oxide dust or a contaminant stuck on the pipes Do not use any refrigerant other than R410A Using other refrigerant except R410A R22 etc may degrade inside
81. f suspension bolt becomes longer do reinforcement of earthquake resistant O For grid ceiling When suspension bolt length is over 500mm or the gap between the ceiling and roof is over 700mm apply earthquake resistant brace to the bolt O In case the unit is hanged directly from the slab and is installed on the ceiling plane which has For unit hanging For refrigerant pipe For draom pipe Flat washer M10 Level gauge Insulation Pipe cover big Pipe cover small Pipe cover big enough strength Pipe cover small Drain hose Hose clamp D 60 D Q 8 4 3 1 4 1 1 1 For unit hanging For adjustment For heat in hoisting in the insulation units main body fof gas pipe For heat insulation of liquid tube For pipe cover fixing For heat insulation drain socket For heat insulation of drain socket For drain pipe connecting For drain hose mounting Selection of installation location for the indoor unit When suspension bolt length is over 1000mm apply the earthquake resistant brace to the bolt Prepare four 4 sets of suspension bolt nut and spring washer M10 or M8 on site Ceiling opening Suspension bolts pitch Pipe position 530 Suspension bolts pitch F Decorative panel 4 4 Content wil Gas piping Liquid piping Drain piping or wiring Suspension
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84. 27 eral i Fhour 5 Operation stop button This button is used to operate and stop the air conditioning system Press the button once to operate the system and press it once again to stop the system MODE button Timer setting buttons These buttons are used to set the timer mode and the time This button is used to change the E lt 2 rM FAN SPEED button T zy This button is used to set the airflow RESET LOUYER VENTI volume HD VENT button GRILL button This button has no function When this button is pressed OPER Invalid Operation is displayed but it does not mean a failure Cover AIR CON No button Display the indoor unit number connected to this remote controller CHECK button This button is used at servicing TEST button This button is used during test operation ventilator LOUVER button This button is used to operate stop the swing louver This button is used to operate external SET button This button is used to fix the setting This button is used to set the silent mode RESET button Press this button while making settings to go back to the previous operation This button is also used to reset the
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86. NO 5 between Brown Brown of NO transformer secondary side YES Replace wires Replace remote controller Defective indoor power PCB Replace Defective indoor control PCB Replace Replace transformer Defective indoor control PCB Replace 3 Condition of Error displayed Note 10 PAC SM 137 9 Remote controller INSPECT I U LED Green Red Indoor Keeps flashing Stays OFF Outdoor Keeps flashing 2 times flash INSPECT I U When 1 or 2 remote controllers are connected 7 1 Applicable model 5 Troubleshooting All models 2 Error detection method Communication between indoor unit and remote controller is disabled for more than 30 minutes after the power on 3 Condition of Error displayed Same as above 4 Presumable cause Improper setting Surrounding environment Defective remote controller communication circuit Faulty indoor control PCB Diagnosis Countermeasure Are 2 units of remote controller connected YES NO 1 2 2 Set one remote controller Is it set for Master and the other at the slave remote YES gt Set SWI on remote for Slave controller controller PCB at Master Note 1 Use SW1 to set at Note 2
87. NOLLNALLY dos yous dn yoeg YMS eui eui jnoqe jun episino jo urm ees 2 Gules 10 seus LMS uo Sev A X jo apis fueuiud a 0 pejoeuuoo eui jeufiis Aejdsip vd Aejay vX Bnooo 0 dule uoneopu sag SI ey au 0 Jesseoeu s 3 10 fejou 9 amp 1 adj ssajauim iuo uomeJedo JeWiON usals dwe uoneopul zag 118 29811 UL pesn Jojonuoo 80g8uU E 9jouJa 198ueuoxe Jojsuuleu mE Se ure Jojstuueu v uL r Wo 80488 HM J ojjuo9 Jojstueu 29 0 N ZA Oueup eu jeuBig zal y egen n3 HM vns di HINO ewp 90 5 mod yoo q uuuol 181 8 0 J za Tx 1581 JO OW Ue H994 pore el a ENS uongeaji oods ssojoJIM ae 7 uM Dumas yoedeo Japon IMS nem a alonl ol ott T Burnes SVN SHUN jeun SMS pdu uogesado 89d HM 15 19 5 SHUN n pons reus 8 6 5 a zao yeg uogeountutuoo Je oIjuoo CMS uonoadsuy Trax s ex X DMN r d 38 e
88. Slave is displayed on the remote controller LCD Does it NO become normal NO Do more than one indoor units have the YES Set address again SW2 on same address indoor control PCB NO Are remote Son fis i vals hon YES Separate remote controller ng g p wires wires from high voltage wires NO v Disconnect the connecting wire between the indoor and outdoor unit v Power supply reset start 60 seconds later YES Defective indoor control automatically PCB Replace NO gt Defective remote controller Change INSPECT I U Note If any error is detected 30 minutes after displaying ih WAIT fh on the remote controller the display changes to 10 PAC SM 137 Bmote controller INSPECT I U ED Indoor Keeps flashing Stays OFF Outdoor Keeps flashing 2 times flash INSPECT I U Connection of 3 units or more remote controller A 1 Applicable model 5 Troubleshooting models 2 Error detection method Indoor unit cannot communicate for more than 30 minutes after the power on with remote controller 3 Condition of Error displayed Same as above 4 Presumable cause Improper setting Surrounding environment Defective remote controller communication circuit Faulty indoor control or power PCB Faulty outdoor control PCB Diagnosis Countermeasure
89. Try to startup several times Note Several times restarting may resolve it because migrated liquid refrigerant in the compresser is discharged from the compressor Does it start NO gt Repalce compressor Note Insulation resistance The unit is left for long period without power supply or soon after installation migrated liquid refrigerant may dissolve in the refrigerant oil in the compressor In such case insulation resistance decreases upto several MQ or lower If the electric leakage breaker is activated due to low insulation resistance check followings D Check whehter the insulation resistance can recover or not ater 6 hours has passed since power ON By energize the crankcase heater migrated liquid refrigerant in the refrigerant oil in compressor can be evaporated Q Check whether the electric leakage breake conforms to high hermonic specifications As units has inverter in order to prevent from improper operation be sure to use high hermonic one 400 10 PAC SM 137 anos Jejojuoo Jou og G Upo si 810 U EY 2520 Jejouoo ejouiei Jo 199us dads 895 ou ZX 0 e qeo 8109 SN t episino pue jun episul ueengeq y oqe qun apisino jo eu ees juejino 104
90. When the suction pipe temperature thermistor detects anomalously low temperature 3 Condition of Error displayed If the temperature thermistor detects 50 C or lower for 5 seconds continuously within 10 minutes to 10 minutes 20 seconds after compressor ON the compressor stops When the compressor is restarted automatically after 3 minutes delay if this anomaly ocuurs 3 times within 40 minute 4 Presumable cause Defective suction pipe temperature thermistor connection Defective suction pipe temperature thermistor Defective outdoor control PCB Diagnosis Countermeasure Is the connection of suction pipe temperature thermistor connector OK YES characteristics of suction pipe temperature thermistor OK YES Correct connection of suction pipe temperature thermistor connector NO NO Defective suction pipe temperature thermistor Replace gt Defective outdoor control Temperature resistance characteristics PCB Replace Defective suction pipe temperature thermistor input circuit Broken wire 15 5 at 25 Temperature thermistor resistance Shot circuit 0 10 20 30 40 Temperature 50 97 10 PAC SM 137 Error code Remote controller E54 LED Green
91. YES Drain motor ON from the remote controller Does DM operate YES Is the drain NO AC220 240V detected at CNR piping unclogged Is the drain pipe slop OK NO Check float switch Defective indoor control PCB Replace Defective indoor control PCB Replace Check optional equipment Correct setting to Humidifier DM interlock Defective indoor control PCB Replace Replace power PCB on FDT and FDTC Series Check wiring of Drain motor Correct Check drain motor Note When this error occurred at power ON disconnection of wire or connector of the float switch is suspected Check and correct it or replace it if necessary 10 PAC SM 137 Remote controller E10 LED Green Red Excessive number of connected Indoor Keeps fasting Stays OFF indoor units more than 17 units Outdoor Keeps tishing Stays controlling with one remoto controller 1 Applicable model 5 Troubleshooting All models 2 Error detection method When it detects more than 17 of indoor units connected to one remote contorller 3 Condition of Error displayed Same as above 4 Presumable cause Excessive number of indoor units connected Defective remote controller Diagnosis Countermeasure Aren t more than 17 indoor units connected to one
92. YES of 63H1 Y On operation NO v 1 During cooling Is the outdoor fan motor running Isn t any short circuit of air on the outdoor unit Are sufficient return air supply air space secured 2 During heating Isn t the indoor heat exchanger temperature thermistor disconnected from the thermistor casing Isn t the filter clogged Under the condition of overcharging refirgerant 63H1 may activate due to delay of starting the preventive control by compressor speed control because detected heat exhanger temperature which conducts compressor speed control becomes lower than normal condition due to excess sub cooling degree Is 63H1 connector connected properly NO Is the electronic expansion valve connector connection NO If any anomaly exists on the electronic expansion valve connector connection the power supply must be reset YES Open service valve Correct 63H1 connector Correct electronic expansion valve connector Defective outdoor control PCB Replace Defective 63H1 input circuit Note In the protective control range for compressor startup initial startup after power ON even if 63H1 is activated only once 63H1turns OFF immediately the error is displayed 87 10 PAC SM 137 1 LED Green Red In
93. au PUN lt gt a 5591 JO WO 1s ay Jaye edid Aem auQ 3 1 edid urew 5591 10 ALZ 19 yun 1 1ue9Buja1 jo edid Aem auQ ed uim ed A SUOIjou sal suonoms y uo Burmeap Hueadde IEuorsuauiiq H JO eJnjrej Jossaidwoo e jjnsa ue uorpejejsur Jedojdui asn pue uonejesu yun uo 5 y 5 e aus uonej ejsur y pue suoreouroeds yun JO yf sjurod aui 42949 e qun Joopuj lt adf 5 gt 95 pue uonej ejsul JUN uo 50019113599 L MYOM 1LNVH39I 33H e9iuu99 JNO oj 13431 MOUS jo App yeay Joopino ayy jsureBe 10 1 jeu OS aus uo jun 10 0 mous JAMO 20 JG SI 10 ayy UIUM e H8 I9M0 10 9 4 SI ayy uauM e 10 y uni Z uogooup PUM asiou puuouqe pue uiu Burdid e ui 5 5 PUN
94. e Touching the rotating equipment hot surface or high voltage section could cause an injury to be caught in the machine tn get burned or electric shock Shut off the power before electrical wiring work It could cause electric shock unit failure and improper runni 10 PAC SM 137 OThis model is middle static ducted type air conditioning unit Therefore do not use this model for direct blow type air conditioning unit Preparation before installation Before installation suspension bolt becomes longer do reinforcement of earthquake resistant OFor grid ceiling When the suspension bolt length is over 500mm or the gap between the ceiling and roof is over 700mm apply earthquake resistant brace to the bolt Oln case the unit is hanged directly from the slab and is installed on the ceiling plane which has enough strength When suspension bolt length is over 1000mm apply the earthquake resistant brace to the bolt Prepare four 4 sets of suspension bolt nut and spring washer M10 on site Install correctly according to the installation manual Confirm the following points OUnit type Power supply specification OPipes Wires Small parts items Accessory item Suspension Bolt Location For refrigerant pipe Pipe cover big Pipe cover small 6 60 1 1 For heat insulation of liquid tube Suspension bolt M10 4
95. jo ay uey 5 s adid ay j 1sea 12 pjnous adid e 91 og og Sc 08 SE Ayuigesy 9861 98516 Lele edid sey Lee 296 piso edid 90 0 edid 1 Jad dosp 1009 edid ASNO 9215 edid 5 lt 8 0 5 9215 edid jo gt jeuonippe noui paJ9A02 edid uinuirely MA 9zis adid 6061 s 9215 edid seb ayy eeu uonisod NO 0 L 8MS Yams bumos ays uo WNL e VOLPH payloads 0 e 8599014 100pjno uy paijddns euo y esn jnq euo pjo y esn jou op nu 104 e ulgjs s Mau edid usew aui Aq si uBreoj Aue 10 palojoosip x se uebogiu y m p umop duind pue joopjno ay jo apis pinbi y 95012 2 pinby uogejedo e 10 yun y uni pue uej eui dojs 2 uoneJedo 10 oe 20 pun y ung y pue c 1 Jo eu pun Bursroxe
96. uo Guipuedep Hea jueJeDuje peuinba e pasn si uejsKs edid Dunsixe ue je 76382 pue paseyo uojoej au Aq WE Jayous si juejebujar VIUM e WOE JO uoniod 204 pue edid peyejnojeo junoure ue efjeuo Ajeuonippe WOE Buidid iue1aDuje ueuMw WOE oj dn ue jou S 34S uo denm pue jo WOE pabseyo uojoe surequoo SIUL Buidid yum uogejersur ue aBJeuo e auinpo juejabujaJ piepuejs ve NADOL t m oe imun add pue vede geyo 1e od pueg addumw aeuo 6 A Jeuonippe posao iweudius odid PEPUEIS a prepu oid s uoneyeisul juejobujoy jo saw jad pua adig Y prepuelS od gt ed aldu gt aqe Guimoyjoy y jue196uja1 e 1
97. 2D025F b c d Terminal block TB6 Replace the PCB after elapsing 3 minutes from power OFF Be sure to measure voltage DC on both capacitor terminals located in controller back and check that the voltage is discharged sufficiently Refer to Fig 1 Take off the connection of inverter PCB terminal block connector and remove the screw of power transistor then remove the PCB Wipe off the silicon grease neatly on the controller s radiation heat fins Match the setting switches JSW10 11 of new PCB with the former PCB Before installing the power transistor on the new PCB Apply uniformly a bundled of silicon grease first on the surface of power transistor Make sure it is applied to prevent damage on power transistor Tighten the screw of power transistor on inverter PCB and connect the terminal block Confirm the connection and don t use soldering in the connection Tighten properly the power transistor with a screw and make sure there is no slack Power transistor can be damage if not properly tighten Recommended power transistor tightening torque 0 98 1 47N m Parts No Connector CNR ise Switch JSW11 TB8 TB9 JSW10 Parts arrangement view Fig 1 Position of capacitor Table 1 Switch setting 1 OFF l ON 2 OFF 2 OFF JSW10 JSW11 3 OFF 3 ON 4 OFF 4 ON 10 PAC SM 137 switch setting list Out
98. E Uni 158 JO OW uxiq yoeuo LMS EINEN X Buas Aloedeo japo 9MS a gs s s uw 0081100 elt SE E a wl Humes SHUN SMS nou ajowey 809102009 E T 38 ST T HM um nm ip ZNS HM 8NO INO 55 NOZA E SS IPPP uorjeoiunululoo eNS vowoedsu 2 x OMNO gl z 1010W 0020 e 4 amp BX NS UU zax 1NO aS ZMS eoo 2 01 X RUN M ZTE 90180000 9004 uonoedsup peg duej uoneoipul C31 odo 4 wx xg 1 i 4 SL ec csl at HNO ANNO HM HM IND jun Joopino pue un Jooput uomeado due uoneopu 2 091 P zt greet 181 lo m lo lo lea E lo lo 3 Ue asn 4 1002 02 Wi 203990000 2 9 Ta uL IW 40 at WO apu mm 10 e PAC SM 137 t NO Jossaidwog 20 fejeu vX 40 fejog 9 1x J8UJJOJSUe H 0151 E Z LY IUL Jorsiuue WIL 9 2018139 eur 10615 xor reu cal 922105 jeuruie 191 Uni 198 JO OW 40949 uoge1edo LMS Bu
99. INVALID VALID G FFSET 32 0 FFSET 2 06 FFSET 1 06 OFFSET 2 06 FFSET 1 5 FFSET 1 0 OFFSET FFSET 1 05 FFSET 1 56 OFFSET 2 06 10 CONTROL 11 FROST PREVENTION TEMP LOW FAN SPEED SET FAN SPEED INTERMITTENCE FAN 12 FROST PREVENTION CONTROL TEMP HIGH TEMP LOW 13 DRAIN PUMP FAN CONTROL DN FAN CONTROL OFF 3 FAM REMAINING AND SANDEE O 6 HOUR amp FIND E o 15 REMAINING REMAINING HOUR 16 INTERMITTENCE NO REMALNING z mi nDFF sini sii n FF sini nN 17 PRESSURE CONTROL STANDARD 148 Note2 Fan setting of HIGH SPEED Indoor unit air flow setting Fan tap teil Saal Saal Sta 0 Seni all FAN STANDARD UH Hi Me Lo Hi Me Lo Hi Lo Hi Me SPEED HIGH SET WIE OE 1 x SPEED1 2 UH UH Hi Me UH Hi Me UH Me UH Hi Initial function setting of some indoor unit is HIGH SPEED The filter sign is indicated after running for 180 hours The filter sign is indicated after running for 600 hours The filter sign is indicated after running for 1000 hours The filter sign is indicated after running for 1000 hours then the indoor unit will be stopped by compulsion after 24 hours If you change the indoor
100. If the external static pressure is 60Pa or less do not set the fan speed to High speed 1 If High speed 1 setting is done air outlet speed from indoor unit will increase and waterdrop may be blown out and wet the ceiling or the furniture 10 PAC SM 137 Jo 1ueureoe d asim e 10 pou 5 21 se ULI sei edid sayem adid e y pouuoo zou oq Jadoud 10 104 JOYOUR jo esn Aq UONISOd S jenuejog BuruueM e o45 YUM 090 014 526 payel pinous 4oopino eu uonisod uonejeisur eurBuo sy pue pade dsip Bureq 10 Bulag jo ylIqissod e seu yun ayy ueuM ejod uoee 1see je 1oejuoo ejod ejqnop I eq jsnuu Ajddns si Buum eouepioooe pe ejsu eq ieys jueuudinbe au pue seouepisei spjouesnou se oi paidde eq pinoys 15 eu o NOILVTIVLSNI HO3 SNOILNVO y jo paxy ay uonoeuuoo pea enp nyd amod y you op 40 eu 104 Bursseooid 10 jou e 9 61 Jonjj si
101. LED Green Red Indoor Keeps flashing 2 times flash Outdoor Keeps flashing See below Communication error during operation 1 Applicable model 5 Troubleshooting All models 2 Error detection method When normal communication between indoor and outdoor unit is interrupted for more than 2 minutes 3 Condition of Error displayed Same as above is detected during operation 4 Presumable cause Unit No setting error Broken remote controller wire Faulty remote controller wire connection Faulty outdoor control PCB Diagnosis Countermeasure In case that the outdoor unit red LED flashes 2 times Note 1 Inspect faulty connections disconnection looseness on the outdoor unit terminal block connection of signal wires at the outdoor unit NO gt Repair signal Wires YES Note 2 Check for faulty connection or breakage of Isthe signal wires between indoor outdoor units connection of signal R MES si wires between indoor outdoor NO gt signal wires units OK YES Power reset Has the remote controller LCD returned to NO To the diagnosis of normal state Stith WAIT ifs YES gt Unit is normal Malfunction by temporary noise etc In case that the outdoor unit red LED stays OFF Power reset Defective outdoor control Has the rem
102. No adhesive allowed Fasten the screw within 5 mm left to the nut Drain socket di Metal ve er Hose clamp Drain hose Prepare a joint for connecting VP 20 pipe adhere and connect the joint to the drain hose the end made of rigid PVC and adhere and connect VP 20 pipe prepare on site X As for drain pipe apply VP 20 made of rigid PVC which is on the market Make sure that the adhesive will not get into the supplied drain hose It may cause the flexible part broken after the adhesive is dried up and gets rigid Do not bend or make an excess offset on the drain hose as shown in the picture Bend or excess offset will cause drain leakage H 3 over 20mm Make sure to make descending slope of greater than 1 100 and do not make up down bend and or trap in the midway Pay attention not to give stress on the pipe on the indoor unit side and support and fix the pipe as close place to the unit as possible when connecting the drain pipe Do not set up air vent 1 5m 2m Supporting metal Trapped air will generate noises 94 Air vent No trap 1A Not touching the water x Aide a pssib b Insulation material U Descending slope greater than 1 100 When sharing a drain pipe for more than one bu unit lay the main pipe 100mm below the drain y outlet of the unit In addition select VP 30 or NE bigger size for main d
103. Or 45 or higher is detected for 5 seconds continuously within 20 seconds after compressor ON 50 C or lower is detected for 5 seconds continuously 3 times Outdoor heat exchanger 3n within 40 minutes after initial detection of this anomalous temperature thermistor E 21 I emperature anomaly Or 50 C or lower is detected for 5 seconds continuously within 20 seconds after compressor ON PE coo 10 C or lower is detected for 5 seconds continuously 3 times Outdoor arge p1p j 4 within 40 minutes after initial detection of this anomalous thermistor anomaly t emperature P 1 1 1 Suction pipe temperature co 50 C or lower is detected for 5 seconds continuously 3 times 2121 within 40 minutes after initial detection of this anomalous thermistor anomaly temperature rew Vor lower or 3 49V or higher is detected for 5 seconds Low pressure sensor anomaly E 47 continuously 3 times within 40 minutes after initial detection of this anomalous pressure 50 C or lower is detected for 5 seconds continuously 3 times Underneath temperature E 5 5 within 40 minutes after initial detection of this anomalous temperature Note 1 Value in are for the models SRK50 60 10 PAC SM 137 B Error log and reset Error indicator Memorized error log Reset Remote controller display Higher priority error is memorized Stop the unit by pressing the ON OFF Red LED on indoor control PCB Not memorized S
104. You must change the indoor function 04 accordingly 4POSITIONSTOP You can select the louver stop position in the four If you input into the indoor printed circuit board CNT from outside the indoor device will be operated independently following the input from outside network work following the input from outside 17 RUN EP DEON ET INDICATION CFF INDICATION ON _ in normal working indication indoor unit temperature is indicated instead of airflow Only the master remote control can be indicated DETEN __ 0 Heating preparation indication should not be indicated pe eevst 2 Temperature indication is by degree C _________ Temperature indication is by degree F ON OFF button finished 168 10 e PAC SM 137 Note 1 The initial setting marked is decided by connected indoor and outdoor unit and is automatically defined as following table Indoor unit with two three step of air flow setting Indoor unit with only one of air flow setting E 2 8 Note 2 Fan setting of HIGH SPEED eusti Seat stent Deut CIEE C Sca VALID ears Sawo moa 140 ____ HIMD ____ ELECE STANDARD UH Hi Me Lo Hi Me lo Hi Me HIGH SPEED1 2 UH UH Hi Me UH
105. a 4010 501 1070 Single Split PAC series 24 B aO 24 Pipe position 23 piping 135 Gas i aud 75 PPD Drain piping eft 90 pining V 18 76 piping right KX series 112 to 140type 1620 Location of pipe outlets CNP cover 3K The outlet through which the pipings are taken out is avallable in three directions Grille upside Move the box as close to the installation area as possible packed v elf it must be unpacked wrap the unit with a nylon sling M and be careful not to damage the unit elf you need to lay the unit on a floor after unpacking always put it with the intake grille facing upward Preparation before instalation 1 Remove the air return grille Slide stoppers 4 places of the catches then pull out the pins 4 or 6 places Filter 3 Remove the hanging plate Remove the screw and then loosen the fixing bolts m nscrow Indoor 12 unit Hanging plate 4Remote controller Installation of remote controller Indoor unit 2 Remove the side panel Remove the screw and detach the side panel by sliding it toward the direction indicated by the arrow mark Side panel screw 1 each on the left and right M4 Hangin Hanging plate E screw AVN Hanging eS fixing olts M8 Up to two receiver or wired remote controller can be installed in one indoor u
106. e spaeoxe uua edid aq VAM 2 aue Sem 21 sadd jo sadid HZ L NO au O L GMS US dip jou peau nof is aug wayshs add e si y x 0761 asea aj Saydde ose SI uw e jo aseo au ON x 906 XXX A poto uon XxSAOPL adid Aem ou0 XNADPL Pare BY ur Joynqugsip INO 4221000 5 5 adid ayy ysem 0 950042 nof je waysks edid mau e esu Jo uajsKs adid usew uonejedo 20 aq jouue2 pun Bunsixo gt 606 s 925 adid se uonisod NO 0 L SMS uus bumos ays uo uni e 10 payiaeds suoisuauip 0 I e 5592034 pun pondons euo BSN yng auo BSN jou op 3046 uais s edid mau e esu 40 waysks adid usem ayy pabieuosip s Aue Jo paJoooSIp J s seb uabomiu p umop duind pue Joopino jo aapea uonejado apis ayy 25010 pinby Guruna e 10 20 uni pue eui dos 2 uonejado dx sanu OF 20 au ung L pue 2 1
107. jo spoued 0 anp 20 s uai 100910 20 9529 IA ASN jou 00 Pea punoJb NOVO V 159 10 PAC SM 137 jenueu e2 uu29 JNO 01 mous jo jeau ayy jsureDe jou puma Buoys Jey OS 8ys uo 0 poou MOUS JAMOJ 20 2 G SI enjeJedua au vaum e 10 2j G SI 100pjno ayy 10 pun au uni uoneJouab asiou jeuuouqe pue 055 0 jjnsa1 uonejejsur 1adoudui 20 G jo juotpeJb eaae e PUN e suonepunoj Buipsebes uoneunojur 104 suonensniii 0 e spum 40 sexenbuuee JOU SBOP ju OS jun LISU jeanoes e GL eq jsnui epis uo Yoq ue jo uorsngoud e uo payloads syoq pm sun eu xy Duriersur up e yadoop Joout 0 ISN Bun v sen B SET SHOQ Vesey EMRIN 2 ay jou 1 jesnyip
108. mm so PL ifo duis edid eBreuosig ws ww tim Z8 00159 qoy 00 0000 H me OH LED ANI m 009190 B ee m au 10181 29 yoy I 34 I T i E ainssaid THES Belle by 6 5 2 E Jr Im o ajz Ri Bureau 10 UOISUEdX3 Mi 5 JO ANS Q g pi or y 10 SATE 1009 05 Soe Ws 216 6 Nou a Hao fegi Ne eS a gx 505 10 Merny EXS EJ 1 10 feo ue ale det z ill A9 i L ued wo mp 19290 SEULI HO gH 1010W ue TOW We 4 a 1 1055901 Wo 109 AOZZ L 2H08 A0Z 0ZZ 1 HAMOd 0012605 110 10 e PAC SM 137 peusiuy S uone1edo eui ay Jaye eMS 440 0 ains eg y NO S EMS ueuw uonejedo jeu Bureau pue S EMS peuuojied j jeu gy S E EMS y eq m Josseuduio 2 y s ems peuuopied eq ued eur uomeJedo jeu jo Pome gunoo uoee yoaye ur y y depy Buiqeo jeujeiur ay suoripuoo jo episino ue 104 S
109. payienb ayy Aq paleo aq snw uonerjejsu amp 150 Jasn Mau 0 puey 0 xse JI 1 au Aue je peas ues sasn eoejd e je saumo YIM 144260 desye JenueW 8 ay BuipJoooe ay oi jueudinbo siy jo aui se M se y urejdxe pue 5 Aq zu wd nba uo ou eins ege uononasul BuipJoo2e op e i Aue sapun se AY pasn jo aue UOl e e SU yun JOOPU e Way jo 0 ains ag Mojes 10 Asan V u peisi eje seseo se2uenbesuo2 Duipee iiiqeqoid sued snoauejaosiw pue uym snoououo anp y jo Anfu jeuosiad seniiiqissod ym y pue 9NINHVM V eui u pays Duipueu anp unfur Jeuosiad Jo ujeop se uons seouenbesuoo snoues seniligissod sapeu aur 17 pue
110. remote controller NO YES Defective remote controller Replace Reduce to 16 or less units Note 10 PAC SM 137 Bmote controller E14 ED fen Indoor Keeps flashing 3 times flash Outdoor Keeps flashing Stays Off Communication error between master and slave indoor units 1 Applicable model 5 Troubleshooting models 2 Error detection method When communication error between master and slave indoor units occurs 3 Condition of Error displayed Same as above 4 Presumable cause Unit address setting error Broken remote controller wire Defective remote controller wire connection Defective indoor control PCB Diagnosis Countermeasure Is it OK the unit address setting for master and slave indoor units NO v YES Isn t the remote controller wiring between indoor units defective YES NO Is it restored by resetting the power supply NO v v YES Note 1 Set dip switches SW5 1 and SW5 2 as shown in the following table Factory default setting Master Indoor unit Master Slave a Slave b Slave c Dip SWS5 1 OFF OFF ON ON switch Sw5 2 OFF ON OFF ON Correct unit address setting Correct wiring Defective indoor control PCB gt Replace
111. z m Y xi D o et 1 gt Ee dep ded ar D a N we ead 2 097 1 ya 89d 101009 HM TMNO Qu EMNI HM e 7 man an eounos Jamod episBuoje Ind jou y s 1210 euj Jey SL Jo 19645 dads JOWI Je zy ulug 00 UIM SN e lun episno pue episul aul au oqe jun apisino jo Buum eu aes z PJF000Z190 alls uo sejeoipur S N HM m 0 6 6 x a Qu c 9 VN ya 9 Qu 5 tl Qd v x et fase Qu c faa n 0 sS N x 6 TN x a e AN 6 Q 7 ao on w eI ya S x 7 x t pe s 4 commi HM x 1 ps 2 un zb NO d 1 9 e 2 01 0910 2024 6024 3 5 18 Y a a HM 69 18 OMNO eL uye3 W T WN Sre 104 78 eui di s E
112. Allowed Not e Remote controller display during the operation stop 1 Centralized control ON is displayed always on the LCD under the Center Remote and Center modes during the operation stop Power ON This is not displayed under the Remote mode 2 Ifthis display is not shown under the Center Remote mode check if the indoor unit power switch is turned on or not f Outline of heating or cooling operation 1 Operation of major functional components in heating mode Heating Thermostat ON Thermostat OFF Failure Compressor ON OFF OFF Indoor fan motor ON ON HOT KEEP OFF Outdoor fan motor ON OFF OFF OFF 4 way valve ON ON 8 minutes ON 2 Operation of major functional components in Cooling mode Cooling Thermostat ON Thermostat OFF Failure Compressor ON OFF OFF Indoor fan motor ON ON OFF OFF Outdoor fan motor ON OFF few minutes ON 4 way valve OFF OFF OFF g Frost prevention control 1 Operating conditions a Indoor heat exchanger temperature Th2 is lower than 5 C Compressor gel p command b 5 minutes after reaching the compressor command speed except 0 rps speed 2 Detail of anti frost operation Lower Indoor heat exchanger limit temperature 5 C or lower 2 5 or lower speed i Item i Lower limit speed 25 rps Orps Orps Protects the fan tap just before Indoor fan Depends on operation mode 2 5 5 8 frost prevention control Outdoor fan
113. Areas where dew point is lower than around 28 C and relative humidity is lower than 80 This indoor unit is tested under the condition of JIS Japan Industrial Standard high humid ity condition and confirmed there is no problem However there is some risk of condensa tion drop if the air conditioner is operated under the severer condition than mentioned above If there is a possibility to use it under such a condition attach additional insulation of 10 to 20mm thick for entire surface of indoor unit refrigeration pipe and drain pipe Areas where TV and radio stays away more than 1m It could cause jamming and noise Areas where any items which will be damaged by getting wet are not placed such as food table wares server or medical equipment under the unit Areas where there is no influence by the heat which cookware generates Areas where not exposed to oil mist powder and or steam directly such as above fryer Areas where lighting device such as fluorescent light or incandescent light doesn t affect the operation Abeam from lighting device sometimes affects the infrared receiver for the wireless remote controller and the air conditioner might not work properly Check if the place where the air conditioner is installed can hold the weight of the unit If it is not able to hold reinforce the structure with boards and beams strong enough to hold it If the strength is not enough it could cause injury due to unit falli
114. Connect the gauge manifold to the service valve check joint during cooling or connect it to the check joint at internal piping of outdoor unit during heating 94 10 PAC SM 137 Error code Remote controller E49 LED Green Red Indoor Keeps flashing Stays OFF Outdoor flashing 1 time flash Low pressure error or low pressure sensor anomaly 2 2 I Applicable model 5 Troubleshooting models 2 Error detection method 3 Condition of Error displayed 4 Presumable cause Diagnosis Countermeasure Continued from previous page Is the NO service valve fully opened YES connections of low pressure sensor and suction pipe NO temprerature thermister connector OK Are the characteristics of low pressure sensor suction NO pipe temperature thermistor YES Is the low pressure normal during operation NO YES Open fully Correct Defective low pressure sensor suction pipe temperature thermistor gt Replace Charge refrigerant Defective outdoor control PCB Replace Defective low pressure sensor suction pipe temperature thermistor circuits Note 95 10 PAC SM 137 i LED Green Red C a Indoor control PCB Keeps flashing Stays
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116. Manual 10 SM 137 SERVICE MANUAL HYPER INVERTER PACKAGED AIR CONDITIONERS Split system Air to air heat pump type CEILING CASSETTE 4 WAY COMPACT TYPE DUCT CONNECTED LOW MIDDLE STATIC PRESSURE TYPE Twin type Triple type Single type Twin type Triple type FDTC71VNXPVD FDTC140VNXTVD FDUM71VNXVD FDUM100VNXPVD FDUM140VNXTVD 100VNXPVD 140VSXTVD 100VNXVD 100VSXPVD 140VSXTVD 100VSXPVD 100VSXVD 125VNXPVD 125VNXPVD 125VNXVD 125VSXPVD 125VSXPVD 125VSXVD 140VNXPVD 140VNXVD 140VSXPVD 140VSXVD CEILING CASSETTE 4 WAY TYPE DUCT CONNECTED HIGH STATIC PRESSURE TYPE Single type Twin type Triple type Single type FDT71VNXVD FDT71VNXPVD FDT140VNXTVD FDU71VNXVD 100VNXVD 100VNXPVD 140VSXTVD 100VNXVD 100VSXVD 100VSXPVD 100VSXVD 125VNXVD 125VNXPVD 125VNXVD 125VSXVD 125VSXPVD 125VSXVD 140VNXVD 140VNXPVD 140VNXVD 140VSXVD 140VSXPVD 140VSXVD CEILING SUSPENDED TYPE WALL MOUNTED TYPE Single type Twin type Triple type Twin type Triple type FDEN71VNXVD FDEN71VNXPVD FDEN140VNXTVD SRK100VNXPZIX SRK140VNXTZIX 100VNXVD 100VNXPVD 140VSXTVD 100VSXPZIX 140VSXTZIX 100VSXVD 100VSXPVD 125VNXPZIX 125VNXVD 125VNXPVD 125VSXPZIX 125VSXVD 125VSXPVD 140VNXVD 140VNXPVD 140VSXVD 140VSXPVD EA MITSUBISHI HEAVY INDUSTRIES LTD 10 PAC SM 137 5 1 OUTLINE OF OPERATION CONTROL MICROCOMPUTER 3 1 1 Remote controller 3 1 2 Operation control function by the wired remote controller 5 1
117. Note 1 Value in are for the model 71 b Test run control 1 Operation is performed at the maximum compressor speed frequency which is determined for each model 2 Each protective control and error detection control are effective 3 IfSW3 4 SW5 4 is switched during test run the compressor is stoped for once by the stop control and the cooling heating operation is switched Note 1 Value in are for the model 71 4 Setting and display of remote controller during test run Item 5 ontents of remote controller setting displa Mode E g display Cooling testrun Setting temperature of cooling is 5 C Heating testrun Setting temperature of heating preparation is 30 C Pump down control Turning ON the pump down switch SW1 SW9 for 2 seconds during the operation stop or anomalous stop excluding the thermostat OFF the pump down operation is performed This is invalid when the indoor unit is operating This is effective even when the indoor unit is stopped by the anomalous stop or the power supply is turned OFF Note 1 Value in are for the model 71 a Control contents 1 Close the operation valve at the liquid side It is left open at the gas side 2 Compressor is started with the target speed frequency at 71 62 100 55 125 140 45 rps in the cooling mode 3 Red and green lamps LED flash continuously on the outdoor unit control PCB 4 Each of protection and error detection c
118. Red Indoor Kep fasting Stays OFF Low pressure sensor anomaly Outdoor Keeps flashing 1 time flash 1 Applicable model 5 Troubleshooting models 2 Error detection method When anomalous voltage pressure is detected 3 Condition of Error displayed If the pressure sensor detects 0V or lower and 3 49V or higher for 5 seconds continuously within 2 minutes to 2 minutes 20 seconds after compressor ON the compressor stops When the compressor is restarted automatically after 3 minuts delay if this anomaly occurs 3 times within 40 minutes 4 Presumable cause Defective low pressure sensor connection Defective low pressure sensor Defective outdoor control PCB Improper amount of refrigerant Anomalous refrigeration circuit Diagnosis Countermeasure connection of low pressure sensor connectors at sensor side and PCB side OK pressure actual measurement matched with the value indicated on the remote controller Are the YES Are the YES Is refrigerant amount charged properly refrigeration circuit v Replace the low pressure sensor normal condition Is PCB Replace restored sensor input circuit YES OK NO Correct low pressure sensor connector connection Is there any anomaly on the NO gt Defective outdoor c
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120. here a phases of inverter PCB there ng on the power YES y Replace the inverter PCB Replace the electrolytic capacitor Replace the power supply fuse Note 10 e PAC SM 137 Remote controller None LED Green Red Indoor Keeps flashing Stays OFF Outdoor Keeps flashing 2 times flash No display 1 Applicable model 5 Troubleshooting All models Diagnosis Countermeasure 2 Error detection method 3 Condition of Error displayed 4 Presumable cause Faulty indoor control PCB Defective remote controller Broken remote controller wire Remote controller does not display anything after the power on Is DCLOV or YES higher detected at remote controller connection terminals S NO Is DCIOV or higher detected on remote controller wires if the remote controller is removed NO Are wires connected properly between the indoor outdoor units YES Defective remote controller Defective remote controller Defective connecting wire Defective remote controller wire Short circuit etc Defective indoor control PCB Replace Note 10 PAC SM 137 Error code Remote controller E1 LED Green Red Indoor Keeps
121. 125VNX 140VNX a b c d f g 10 PAC SM 137 PCA012D024F FDC100VSX 125VSX 140VSX Replace the PCB after elapsing 3 minutes from power OFF Measurement was done on both ends of connector CNA 1 during measurement the voltage DC might charged the electrolytic capacitor be sure that the voltage is discharged sufficiently Refer to Fig 1 Disconnect the connectors from the control PCB Disconnect the white or blue wiring passing through on the PCB before replacing the PCB Match the setting switches SW3 5 JSW SW J5 7 with the former PCB Tighten up a screw after passing white or blue wiring through of the changed Please connect the connectors with the same place Confirm the connectors are not half inserted after elapsing 3 minutes from power OFF L501 OO CR Voltage measurement parts Pin terminals1 2 of CNA1 CNB CNTH CNIP Fig 1 Enlarged figure of parts location Parts Arrangement View connectors are not half inserted 10 PAC SM 137 c Outdoor inverter PCB replacement procedure Precautions for Safety Since the following precaution is the important contents for safety be sure to observe them WARNING and CAUTION are described as follows Indicates an imminently hazardous situation which will result in death or serious injury if proper safety procedures and instruc
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123. 50 60 71 100 140 A 786 986 1406 2133 10 PAC SM 137 S Preparation before installation continued UNIT mm Multi type 22 90 Single type 50 71 Removal opening for the humidifier pipe outer panel hole 014 Hole for electrical wiring outer panel hole 035 Refrigerant gas pipe Refrigerant liquid pipe For natural drainage drain pipe connection VP 20 PVC pipe Multi typ 112 140 Single 100 140 Removal opening for the humidifier pipe Drain panel hole 614 connection VP20 PVC pipe Hole for electrical wiring outer panel hole 035 For natural drainage Refrigerant liquid pipe Grain pipe connection VP 20 pipe 4 Installation of indoor unit Hanging Hang the unit up Suspension bolt If the measurements between M10 nut Washer for M10 lt the unit and the ceiling hole do 2 not match upon installation it Unit may be adjusted with the long Spring washer for M10 holed installation tool Adjustment for horizontality Okither use a level vial or adjust the level according to the method below Adjust so the bottom side of the unit will be leveled with the water surface as illustrated below Pipe side Pour water S x N Vinyl hose Let the pipe side be slightly sloped Olf the unit is not leveled it may cause malfunctions or inoperation of the float switch 5 Duct Work CDA corrugated board for
124. 6666 113 APPLICATION DATA 2 116 5 1 installation of indoor unit ssseaasansnnnennnnnnnunnnnnnnnnnnnnnnnnnnnnnnnnnn nnmnnn nnna 116 1 Ceiling cassette 4way compact type _ 116 2 Ceiling cassette 4way type FDT s 122 3 Ceiling suspended type esee 128 4 Duct connected Low Middle static pressure type FDUM 132 5 Duct connected High static pressure type _ 136 6 Wall mounted type SRK 140 10 PAC SM 137 5 2 Instullation for wired remote controller 144 5 3 Instullation of outdoor unit 150 1 Model FDC7 IVMX 150 2 Models FDC100 140VNX 100 140VSX 158 5 4 Electric wiring work installation sss 166 How to read the model name Example FDT 125 VNX P V Series code Single type blank P Twin type T Triple type Applicable power source See the specification Product capacity Model name f FDTC Ceiling cassette 4 way compact type FDT Ceiling cassette 4 way type FDEN Ceiling suspended type FDUM Duct connected Low Middle static pressure type FDU Duct connected High static pressur
125. Accessory Prepare on site Drain pipe continued 2 Prepare a joint for connecting VP 20 pipe adhere and connect the joint to the drain hose the end made of rigid PVC and adhere and connect VP 20 pipe prepare on site for drain pipe apply VP 20 made of rigid PVC which is on the market Make sure that the adhesive will not get into the supplied drain hose It may cause the flexible part broken after the adhesive is dried up and gets rigid The flexible drain hose is intended to absorb a small difference at installation of the unit or drain pipes Intentional bending expanding may cause the flexible hose broken and water leakage x X Make sure to make descending slope of greater than 1 100 and do not make up down bend and or trap in the midway Pay attention not to give stress on the pipe on the indoor unit side and support and fix the pipe as close place to the unit as possible when connecting the drain pipe 00 not set up air vent 5m 2m Supporting metal Pe No bump Trapped air will Em generate noises Air vent No trap m Insulation material Not touching the water Descending slope greater than 1 100 22 x Q When sharing a drain pipe for more than As wide possible abouti 00mm one unit lay the main pipe 100mm below the drain outlet of the unit In iv addition select VP 30 bigger size for main drain pipe VP 20 or bigger Descending slope greater than 1 1
126. Dew condensation or dripping If there is a gap remaining between the 8 Please open the lid of a control box 9 Like drain pump wiring please band together by the clamp and put in louver motor wiring into a control box Figure 5 10 Please connect a louver motor connector Figure 5 Figure 6 12 Replace the corner panels Please also close a chain with a screw together then Figure 7 13 Close the intake grill Caution Make sure there is no stress given on the panel when adjusting the height of the indoor unit to avoid unexpected distortion It may cause the distortion of panel or failing to close the air return grille 121 10 e PAC SM 137 7 How to set the airflow direction Itis possible to change the movable range of the louver on the air outlet from the wired remote controller Once the top and bottom position is set the louver will s within the range between the top and the bottom when swing operation is chosen It is also possible to apply setting to each louver 1 Stop the air conditioner and press fll SET button and LOUVER 88 button simultaneously for three seconds or more The following is displayed if the number of the indoor units connected to the remote controller is one Go to step 4 a The following is displayed if the number of the indoor units connected to the remote controller are more than one os SRETTLAI 2 Press or V button selection of i
127. FILTER CLEANING display Press it after cleaning the air filter displays are described in the liguid crystal display for explanation 10 PAC SM 137 2 Wireless remote controller FDEN series only Indication section ROOM TEMP display Indicates set temperature AIR FLOW display Indicates the status of swing louver OPERATION MODE display Indicates selected operation with CHC 40 FILTER display 44 Lal sik Indicates for two seconds when FILTER ON TIMER display E V im am button is pressed Indicates when ON TIMER is set Hi Bj sd KORR ON TIMER setting time display Indicates the ON TIMER setting time Nothing displayed when ON TIMER is f not set OFF TIMER setting time display Indicates OFF TIMER setting time Indicates the current time when the OFF TIMER is not set FAN SPEED display Indicates the selected airflow volume OFF TIMER display Indicates when OFF TIMER is set Operation section Transmitter or Sends signal to the air conditioner ON OFF button When this is pressed once the unit starts to operate and when this is pressed once again it stops operating FAN SPEED button Every time this button is pressed the mode is switched as below I MED LO4 AIR FLOW button Used to swing the louver FILTER button Used to reset turn off the filter sign Press the bu
128. Note 10 PAC SM 137 Remote controller fs WAIT LED Green Red Indoor Keeps flashing Stays OFF Outdoor Keeps flashing 2 times flash Communication error at initial operation 2 3 5 Troubleshooting All models Diagnosis Countermeasure 2 Error detection method 1 Applicable model 3 Condition of Error displayed 4 Presumable cause Faulty noise filter Faulty indoor control PCB Faulty outdoor control PCB Faulty inverter PCB Faulty fan motor Diagnosis for when the outdoor control PCB LED is turned off Shut down the breaker and back on again the breaker 3 minutes later NO Does it reset normally YES 1 Note 1 1 phase model only 8 Isn t the outdoor unit controller power supply fuse 71 20A 100 140 30A blown NO To check method for inverter PCB before replacment of blown power supply fuse NO YES 15 AC220 240V detected at the noise filter secondary side YES Y Is DC255 310V detected at CNA2 NO YES Isn t fuse 250V 2A on the outdoor control PCB blown NO YES Is DCSV detected on the outdoor control PCB Between 0 of CNIL NO YES Is DCSV detected if the connector of outdoor unit fan motor NO is disconnected YES
129. On vehicles and ships smoke from a chimney Places where machinery which generates high harmonics is used Altitude over 1000m Do not install the indoor unit in the locations listed below Be sure to install the indoor unit according to the installation manual for each model because each indoor unit has each limitation Locations with any obstacles which can prevent inlet and outlet air of the unit Locations where vibration can be amplified due to insufficient strength of structure Locations where the infrared receiver is exposed to the direct sunlight or the strong light beam in case of the S infrared specification unit Locations where an equipment affected by high harmonics is placed TV set or radio receiver is placed within Sen Locations where drainage cannot run off safely It can affect performance or function and etc Do not put any valuables which will break down by getting wet under the air conditioner Condensation could drop when the relative humidity is higher than 80 or drain pipe is clogged and it damages user s belongings Do not use the base frame for the outdoor unit which is corroded or damaged after a long period of use It could cause the unit falling down and injury Pay attention not to damage the drain pan by weld sputter when brazing work is done near the unit If sputter entered into the unit during brazing work it could cause damage pinhole of drain pan and leakage of water e To avoid damaging
130. Valid setting of silent mode Note 10 PAC SM 137 9 Error code Remote controller None ED fen Red Indoor Stays OFF Stays OFF Outdoor Stays OFF Stays OFF Earth leakage breaker activated U 1 Applicable model 5 Troubleshooting All models Diagnosis Countermeasure 2 Error detection method Are OK the insulation resistance and NO coil resistance of compressor YES Is insulation of respective harnesses OK Is any harness bitten between NO pannel and casing or etc YES v Check the outdoor unit grounding wire earth leakage breaker v 3 Condition of Error displayed 4 Presumable cause Defective compressor Check of the outdoor unit grounding wire earth leakage breaker Run an independent grounding wire from the grounding screw of outdoor unit to the grounding terminal on the distribution panel Do not connect to another grounding wire In order to prevent malfunction of the earth leakage breaker itself confirm that it is conformed to higher harmonic regulation Insulation resistance of compressor Immediately after installation or when the unit has been left for long time without power supply the insulation resistance may drop to a few because of refrigerant migrated in the compressor When the earth breaker is activated at lower insulatio
131. ZAAWARNING Fasten the wiring to the terminal securely and hold the cable securely so as not to apply unexpected stress on the terminal Loose connection or hold will cause abnormal heat generation or fire Make sure the power supply is turned off when electric wiring work Otherwise electric shock malfunction and improper running may occur ZA CAUTION DO NOT install the remote controller at the following places in order to avoid malfunction 1 Places exposed to direct sunlight 2 Places near heat devices 3 High humidity places 5 Places exposed to oil mist or steam directly 6 Uneven surface NOT leave the remote controller without the upper case In case the upper cace needs to be detached protect the remote controller with a packaging box or bag in order to keep it away from water and dust 4 Hot surface or cold surface enough to generate condensation Accessories Remote controller wood screw 03 5 16 2 pieces Prepare on site In case of exposing cord Cord clamp if needed Remote controller cord 2 cores the insulated thickness in 1mm or more In case of embedding cord Erectrical box M4 screw 2 pieces Installation procedure CD Open the cover of remote controller and remove the screw under the buttons without fail cof Remove the upper case of remote controller Screw Insert a flat blade screwdriver into
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136. of fan motor connector CNM CNU Power supply reset Is it normalized 1 Is the fuse F202 blown Replace the fan motor Note for GND SRK series 3 NO Replace indoor control PCB FDTC FDT series Check power voltage YES gt Replace faulty fan motor and power PCB Replace fan motor If the NO error persists after replacing the fan motor replace the indoor control PCB Malfunction by temporary noise Note 10 PAC SM 137 Error code Remote controller E19 LED Green Red Indoor Keeps flashing 1 time flash Outdoor Keeps flashing Stays OFF Indoor unit operation check drain motor check setting error 1 Applicable model 5 Troubleshooting All models Diagnosis Countermeasure 2 Error detection method After indoor operation check when the communication between indoor and outdoor unit is established and SW7 1 is still kept ON 3 Condition of Error displayed Same as above 4 Presumable cause Mistake in SW7 1 setting Due to forgetting to turn OFF SW7 1 after indoor operation check E19 occurs when the power ON Is SW7 1 on the indoor control PCBON YES NO Defective indoor control PCB Defective SW7 Replace Turn SW7 1 on the indoor control PCB
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138. when replacing or checking the outdoor control PCB because some voltage is still retained in the electrolytic capacitor on the PCB even after shutting down tne power supply to the outdoor unit Be sure to start repairing work after confirming that the Green LED on the PCB has been extiguished for more than 10 seconds after more than 3 minutes had been passed since power shut down and reconfirming that voltage has been discharged sufficiently by measuring the voltage DC between both terminals of electrolytic capacitor C58 Measurment of voltage may be disturbed by the moisture proof coating In such case remove the coating and measure it by taking care of avoiding electrical shock a Module of part to be replaced for outdoor unit controller Outdoor control PCB Inverter PCB Temperature thermistor of outdoor heat exchanger discharge pipe outdoor air IPM and suction pipe Fuses for power supply and control PCB Noise filter Capacitor Reactor and Transformer b Replacement procedure of outdoor control PCB Precautions for Safety Since the following precaution is the important contents for safety be sure to observe them WARNING and CAUTION are described as follows Indicates an imminently hazardous situation which will result in death or serious injury if proper safety procedures and instructions are not adhered to Indicates a potentially hazardous situation which may result in minor or moderate injury if proper safety procedure
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141. 1 Itis adjustable in the unit of 0 5 C with the wired remote controller indoor unit function RETURN AIR TEMP e 1 09 1 5 C 2 0 C e 1 0 C 1 5 C 2 0 C 2 Compensated temperature is transmitted to the remote controller and the compressor to control them Note 1 The detection temperature compensation is effective on the indoor unit thermistor only 10 PAC SM 137 2 SRKseries a Unit ON OFF button If the remote control is malfunctioning this button may be used to turn the unit on and off 1 Operation Push the button once to place the unit in the automatic mode Push it once more to turn the unit off 2 Details of operation The unit will go into the automatic mode in which it automatically determines from room temperature as detected by sensor whether to go into the cooling thermal dry or heating modes Operation Roon cae Fan speed Swing contral Timer switch Cooling About 24 C Thermal dry About 25 C Auto Auto Continuous Heating About 26 C Unit ON OFF button b Auto restart function 1 Auto restart function records the operational status of the air conditioner immediately prior to be switched off by a power cut and then automatically resumes operations after the power has been restored 2 The following settings will be cancelled Jumper wire 170 1 FLAP LOVER FLAP NE HUMIDITY b tenes
142. 11 of new PCB d Before installing the power transistor IC10 active filter IC2 and diode stack DS1 on the new PCB apply silicon grease equally to the their surface Make full use of the silicon grease They may be damaged unless they apply it e Tighten the screw of power transistor IC10 active filter IC2 and diode stack DS1 on inverter PCB and connect terminal and connector Confirm the connection and there is not the half insertion Tighten properly power transistor 1C10 active filter 122 and diode stack 051 with a screw and make sure there is no slack They can be damage if not properly tighten Recommended tightening torque power transistor IC10 1 2 0 1 and active filter 1 2 0 98 0 1 diode stack DS1 0 5 0 1 Unit N m after elapsing 3 minutes WHITE from power OFF T24 T27 T25 T26 CNOI SCREW OF ACTIVE FILTWER 102 T26 red T27 blue BLUE YELLOW RED Fig 1 Position of fastontab and terminal Parts arrangement view Table 1 Switch setting 1 OFF 1 ON Connectors are 2 OFF E ON not half inserted JSWIO 3 OFF JSW11 on 4 OFF 4 ON 10 PAC SM 137 2 Model FDC100VNX 125VNX 140VNX 1200250 a Replace the PCB after elapsing 3 minutes from power OFF Be sure to measure voltage DC on both capacitor terminals located in controller back
143. 15neuxe au JO 1001 Pade ve mous JadoJd api oJd ayy mous Guid ax um e jou Burn2Jr2 uous yey os rsnorosuoo aoeds IYEJU jusraujns api oJd auo aou VIUM e 5 5 0 5 jo e IIUM e enoqe aly ui adeds 40 e aq jsnu FJALL ejqeydao2e jou ase sapis JNO Buipuno uns siem e eoeds uonejjejsuj c uonoes uumoo sauso By puey pue ay jo juojj eu uo puey juu siy uy snw epis puey yo ay Bues uosjed v SIU jo paeu aye jsnu epis puey eu Dururea uosied v JAALA S epis J SNHIP JUO ety Se PUN jo epis puey eure eBenog lt 006 JOAD 73 uogoaup pum YUN umop aq i JOU St j jo O 05 xeeiqpuiM janaj pue ejqejs ayy Jejnompuedjed uogisod e 40 40 UO eq pinoys eure epis esu Z eu epis JANNO fejsur L anssajd ufi jo Gwrs 0 anp ay jo dojs
144. 2 3 I Applicable model 5 Troubleshooting models 2 Error detection method 3 Condition of Error displayed 4 Presumable cause Diagnosis Countermeasure m 3 Doesnos ton occur bn th coolng hthgoprtbn 5 pr rmed normily ES Rearrange the piping to avoid contact with the casing th ps contatngh cag It is noise vibration that is generated when the refrigerant gas or liquid flow through inside of piping of air conditioner Itis likely to occur particularly during cooling or defrosting in the heating mode It is normal Is bad conthuous amp gor The noise vibration occurs when the refrigerant starts or stops flowing It is normal fe hgounds bad th stupor When the defrosting starts or stops during heating the refrigerant flow is reversed due to switching 4 way valve This causes a large change in pressure which produces a blowing sound It may accompany also the hissing sounds as mentioned above They are normal Isb owingeund had th sathop ofdefosngdurng After the start or stop of heating operation or during defrosting abrupt changes in temperature cause resin parts to shrink or expand This is normal Iscrahgos bad durnghtng oprtbn It is the sound produced by the drain pump that discharges drain from the indoor u
145. 5 Check of anomalous operation data with the remote Data Item Operation Mode controller xex p Operation data can be checked with remote control unit operation Press the CHECK button The display change D TA YF Q Press the SET button while OPER DATA Y is displayed THI R1 When only one indoor unit is connected to remote controller THI R2 07 IH R3 E Indoor Heat Exchanger Thermistor Gas Header link 9 DATA LOADING is displayed blinking indication during data LU FANSPFED Indoor Unit Fan Speed Hz Frequency Requirements ANSWER Hz Response Frequency 1 P Pulse of Indoor Unit Expansion Value TOTAL Total Running Hours of The Indoor Unit Set Temperature RETURN Return Air Temperature t Remote Controller Thermistor Tempeature Indoor Heat Exchanger Thermistor U Bend Indoor Heat Exchanger Thermistor Capillary loading Next operation data of the indoor unit will be displayed Skip to step When plural indoor units is connected the smallest address number of indoor unit among all connected indoor unit is displayed OUTDOOR Outdoor Air Temperature Example THO F1 Outdoor Heat Exchanger Thermistor dys SELECT
146. 7 Screw back the terminal of wiring from PCB 6 Let the wiring red and blue pass beneath the yellowlgreen wiring and bind together with band 10 PAC SM 137 Pe Pars OEI Unscrew terminal of the wiring to PCB from the box 2 Cut the band Note 1 do not cut the band that binds only the red and blue wirings 7 Screw back the terminal of wiring from PCB 0 6 Let the wiring red and blue pass beneath the yellow green wiring and bind together with band 10 PAC SM 137 Model FDU FDEN series PSB012D933D Set to an appropriate address and function using switch on PCB 1 There is a unit having plural applicable PCB depending on a model 2 Set the function setting corresponding the spare PCB and the applicable model item Switch Content of control 91 2 Plural indoor units control by 1 remote controller Master Slave settin 552 Test SW7 1 Normal O Operation check drain motor test run O 0N 0FF Set an appropriate capacity using the model selector switch SW6 Select the same capacity with the PCB removed from the unit SW6 ON ts Example setting for 50V 8 Replace the PCB 1 Fix the PCB so as not to pitch the cords 2 Connect connectors to the PCB Connect a cable connector with the PCB connector of the same color 3 Do n
147. 7 849 10 09 10 PAC SM 137 b Ceiling cassette 4 way type FDT Models FDT40VD 50VD 60VD 71VD 100VD 125VD 140VD g OR 88 SUM HM ped ya 10 WEN ye S Xe 00 10 99UUO9 EUM NG 104 YX 19 Bueuoxe 1e9H CO LY uL wnay 201810090 Jojsiuueu Mew euis cal yewg 890s jog xoojq euiuue 181 Uni 158 JO OW ureq 40349 vonesado L LMS Dunes yoedeo japo OMS Burnes 5 SHUN enjd SMS bind ZNS UOIIMS due pewsoy uaaug dwe uorjeoipu Sd 2010 UP IN asn4 6020003 20103 Wa 100090000 7 849 t Qu si PEL j0e U00 BAJON 3ndui uogejedo ajowey SHX uonoadsu e 6 0 90 eux t 1 ZYX t iw uoneiado 4 LUX i Ec Ld uno T T ZMS n E i a ow IMS 54 SMS
148. A beam from lighting device sometimes affects the infrared receiver for the wireless remote controller and the air conditioner might not work properly 2 Check if the place where the air conditioner is installed can hold the weight of the unit If it is not able to hold reinforce the structure with boards and beams strong enough to hold it If the strength is not enough it could cause injury due to unit falling If there are 2 units of wireless type keep them away for more than 6m to avoid malfunction due to cross communication 4 When plural indoor units are installed nearby keep them away for more than 4 to 5m Space for installation and service 4000 5000mm or more _ 100mm E 5 more Obstacle 3 Preparation before installation If suspension bolt becomes longer do reinforcement of earthquake resistant O For grid ceiling When suspension bolt length is over 500mm or the gap between the ceiling and roof is over 700mm apply earthquake resistant brace to the bolt On case the unit is hanged directly from the slab and is installed on the ceiling plane which has enough strength When suspension bolt length is over 1000mm apply the earthquake resistant brace to the bolt Prepare four 4 sets of suspension bolt nut and spring washer M10 on site 10 PAC SM 137 3 Preparation before installation continued Pitch of suspension bolts and pipe position Pitch of suspension bolts A Series wm
149. Accessory parts are stored inside this suction side O Adhere to the measurements given below for the length of the suspension bolts For heat insulation of gas pipe For pipe cover fixing UNIT mm 90 112 140 100 125 140 1406 Under 60 Multi type Single type A For drain pipe Pipe cover big Pipe cover small G 1 1 For heat insulation of drain socket Drain hose Hose clamp 0 1 1 For drain pipe connecting Pipe locations Multi type Single type For heat insulation For drain hose of drain socket i mounting Liquid ipin g 21019 piping QSelection of installation location for the indoor unit CD Select the suitable areas to install the unit under approval of the user Areas where the indoor unit can deliver hot and cold wind sufficiently Suggest to the user to use a circulator if the ceiling height is over 3m to avoid warm air being accumulated on the ceiling Areas where t Areas where it taken Areas where there is no obstruction of airflow on both air return grille and air supply port Areas where fire alarm will not be accidentally activated by the air conditioner Areas where the supply air does not short circuit Areas where it is not influenced by draft air Areas not exposed to direct sunlight
150. Are the thermistor Replace the power transistor temperature thermistor NO Temperature resistance characteristics 160 140 120 100 80 60 40 20 Temperature thermistor resistance 0 0 Shot circuit 20 40 60 80 100 Temperature 120 14 OK Replace power transistor Fix properly OK Note 88 10 PAC SM 137 Error code LED Green l Red Indoor control Keeps flashing Stays OFF Remote controller E42 Outdoor control PCB Keeps flashing 1 time flash Yellow LED PCB Stays off or 4 times flash Current cut 1 2 I Applicable model 5 Troubleshooting models 2 Error detection method In order to prevent from overcurrent of inverter if the current exceeds the specifications it makes the compressor stopping 3 Condition of Error displayed Ifthe output current of inveter exceeds the specifications it makes the compressor stopping After 3 minute delay the compressor restarts but if this amonaly occurs 4 times within 30 minute after the intial Diagnosis Countermeasure Is the Power supply NO gt Check power supply voltage OK YES Are the service va
151. Carry the unit with 2 people if it is heavier than 20kg Do not use the plastic straps but the grabbing place moving the unit and it cold cause explosion and injeries due to abnormal high pressure in the cooling cycle by hand Use protective gloves in order to avoid injury by the aluminum fin Only use prescribed optional parts The installation must be carried out by the qualified installer Make sure to dispose of the packaging material It you install the system by yourself it can cause serious trouble such as water leaks electric shocks fre Leaving the materials may cause injury as metals like nail and woods are used in the package improper repair may cause water leakage electric shock or fre It may cause the breakdown of the system due to clogging of the heat exchanger Tum off the power source during servicing or inspection work The pipe during operation would become very hot or cold according tn the operating condition and could cause a burn or frostbite If the power is supplied during servicing or inspection work it could cause electric shock and injury by the operating fan Do not clean up the air conditioner with water Be sure to wait for more than 5 minutes Otherwise it could cause water leakage or breakdown It could cause fire or waler leakage In addition the fan may start operation unexpectedly and it may cause injury Do not run the unit when the panel or protection guard are taken off 136
152. Check which control Determination control of conpressor rotation speed or Protective control by controlling compressor rotation speed is appropriate to this phenomenon Are the a femperature conditions start in the soft start mode by detecting the under dome temperature of compressor when it restart after power reset It is necessary to replace to higher capacity one or to install additional unit Compressor refrigerant oil protection control at starting is activated For the contents of control refer to the compressor start control of the microcomputer control functions Compressor may be stopped by the error detection control For the contents of control refer to anomalous stop control by controlling compressor rotation speed of microcomputor control functions Inspect the followings e Minor clogging of filter e Minor clogging of heat exchanger e Minor short circuit e Minor shortage of refrigerant amount Poor compression of compressor Considering appropriate operation control check suspicious points Inspect the followings for reference Fault expaliti t valve il Major clogging QE HR operation conditions Major clogging of heat Note 1 Outdoor 35 C Indoor 27 exchanger NO Major short circuit Y Major shortage of The unit is operating normally but is refr iger ant amount operating under the contol for
153. D S Defrost operation start z temperature zone 20 sS i oy Mo gt 25 amp 27 30 25 20 15 10 5 0 56 10 Outdoor air temp C Tho A Model 71 8 10 E n SUL 2 WI 15 M 2 S se amp SS S XS S 8 20 58 P SS 5 25 s gt Defrost operation start 7 5 temperature zone 7 sg AS E Too 35 25 20 15 10 5 0 56 10 Model 100 140 Suction saturation SST 8 10 24 225 28 6 30 Outdoor air temp Tho A SY o i D n n e EU S s pul o MS e Defrost operation start 5 eS temperature zone o 25 20 15 10 5 0 56 10 Outdoor air temp Tho A 10 PAC SM 137 c Switching of defrosting control with SW3 1 1 If SW3 1 on the outdoor unit control PCB is turned to ON it becomes easier to enter the defrosting operation Use this when installing a unit at snowing regions 2 Control contents a It allows entering the defrosting operation under the defrosting condition A when the cumulative heating operation time becomes 30 minutes It is 37 45 minutes at SW3 1 OFF Factory default b It allows entering the defrosting operation under the defrosting condition B when the cumulative heating operation time becomes 25 minutes I
154. Discharge pipe temperature error I Applicable model 5 Troubleshooting models 2 Error detection method For the error detection method refer to the protective control by controlling compressor rotation speed and cooling high pressure protective control of micro computer control function for corresponding models 3 Condition of Error displayed When discharge pipe temperature anomaly is detected 2 times within 60 minutes or this anomalous state is detected 60 minutes continuously including compressor stop 4 Presumable cause Defective outdoor control PCB Defective discharge pipe temperature thermistor Clogged filter ndoor outdoor unit installation spaces Short circuit of air on indoor outdoor units Fouling clogging of heat exchanger Diagnosis Countermeasure For the characteristics of discharge pipe temperature refer to E39 characteristics of discharge pipe temperature NO Replace discharge pipe discharge pipe temperature error persisted during cooling operation YES discharge pipe temperature control normal Is the temperature measured actually at detection of error correct NO YES For the contents of control refer to the protective control by controlling compressor rotation speed and cooling high pressure protective control of micro computer contr
155. E45 Indoor Keeps fashing Stays OFF Inverter communication error Outdoor Keeps flashing 1 time flash J 1 Applicable model 5 Troubleshooting models 2 Error detection method 3 Condition of Error displayed When communication is not established between the inverter PCB and the outdoor control PCB 4 Presumable cause Defective inverter PCB Defective connector between the outdoor control PCB and inverter PCB Defective outdoor control PCB Diagnosis Countermeasure Is the connector connection between the outdoor control PCB and the inverter PCB OK YES Are JSW10 11 on the inverter PCB all OFF YES Is LED on the inverter PCB flashing YES Is the communication wire between the control PCB and the inverter PCB connected properly YES Replace the outdoor control PCB gt NO gt gt Is normal state restored NO v YES Correct connector Change to OFF Check why power is not supplied to inverter PCB Defective fan motor Connect communication wire securely Defective inverter Replace OK Note 91 10 PAC SM 137 Red Keeps flashing Stays off Remote controller E47 Outdoor control PCB Keeps flashing
156. GMS UIS 100 oq ERT HIE RERBA NO S Y GMS e 10 440 s v GMs uonejedo e 5 un eu c seb pue moq uo uome nsur yeay ev urqun Josse1dui02 11015 M NO 01 EMS Durus 2 pue ssepe 12206 uopesado 159 Jay Jo JUON 340 Bumes ays uo 10 Y GMS pue p GMS EE e pazeuq y sew pazeuq j m mE uni 189 e Buunp NO Aq qun joopjno ue payen eq ued uni 1581 4 X93349 y Y93949 i pam oy WAN uni sa Buunp APIS 1 9Sea d pued asop 0 ains aq o parjddns samod yun 34 NOK usu e E SIS quoSuO 0 suay uni 48 4 Joopu ayy S 156 ese e uesseoeu si Jayeag adf juejsise e jo ASN L pue ue peddinbe si PUN SIUL adA 30151891 e si JoxeaJq aDexea uuea 3y 29 9 2 y ayesodena
157. Hi Me UH Me UH Hi Initial function setting of some indoor unit is HIGH SPEED Note 3 As for plural indoor unit set indoor functions to each master and slave indoor unit Only when plural indoor units are connected But only master indoor unit is received the setting change of indoor unit function 05 EXTERNAL ndoorunitfunction L RNCTIN a Indoor No selection If to change re set with other indoor unit push AIRCON NO button and indoor selection indication for example VU 000 is set back Function INPUT and 06 PERMISSION PROHIBISHION If to change the indoor function 04 The remote control function 14 amp rosrrt should be changed accordingly o VALID Make permission prohibition control of function be in effect 07 14 _ VALID With the VRF series it is used to stop all indoor units connected with the same outdoor unit immediately When stop signal is inputed from remote on off terminal 6 all indoor units are stopped immediately be reset for producing 3 0 C increase in temperature during heating 1 2 be reset for producing 2 0 C increase in temperature during heating SET 1 Ot be reset for producing 1 0 C increase in temperature during heating 1 2 To be reset producing 2 0 C increase in return air temperature of indoor unit OFFSET 152
158. Keeps flashing time flash temperature thermistor anomaly J 1 Applicable model 5 Troubleshooting models Diagnosis Countermeasure 2 Error detection method Detection of anomalously low temperature resistance on the discharge pipe temperature thermistor 3 Condition of Error displayed When the temperature thermistor detects 10 C or lower for 5 seconds continuously within 10 minutes to 10 minutes 20 seconds after the compressor ON the compressor stops After 3 minutes delay the compressor starts again automatically but if this anomalous temperature is detected 3 times within 40 minutes 4 Presumable cause Defective outdoor control PCB Broken thermistor harness or temperature sensing section Check molding Disconnected wire connection connector Broken wire 200 180 discharge pipe temperature thermistor connector connected Characteristics of discharge pipe temperature thermistor properly Temperature resistance characteristics NO Correct connector For the characteristics of discharge pipe temperature thermistor see the following graph NO Defective discharge pipe temperature thermistor Replace YES Defective outdoor control PCB Replace Defective temperature thermistor input circuit 160 140 120 100 80 60
159. Ll blinking 1 seconds 1 0000 a E TH R2 amp Outdoor Heat Exchanger Thermistor blinking DUMP Hz Compressor Frequency HP MPa High Pressure Select the indoor unit number you would like to have data displayed Low Pressure with V button ld amp Discharge Pipe Temperature Determine the indoor unit number with the SET button t Comp Bottom Temperature The indoor unit number changes from blinking indication to Current continuous indication TARGE SiG Target Super Heat Super Heat 140000 The address of selected indoor unit is blinking for 2 k Discharge Pipe Super Heat seconds PROTECTION _ Protection State No of The Compressor l DU FANSPEED Outdoor Unit Fan Speed e ME 63H1 On Off CATA LOADING A blinking indication appears while data loaded DEFROST Next the operation data of the indoor unit is indicated TOTAL GOMP ___ Total Running Hours of The Compressor Upon operation of the A V button the current operation data is ____ _ Pulse of The Outdoor Unit Expansion Valve EEVC displayed in order from data number 01 39 EEV2 P of The Outdoor Unit Expansion Valve EEVH The items displayed are in the above table Depending on models the items that do not have corresponding data are not displayed To dis
160. OFF Stays OFF flashing flashing flash emote controller efective remote controller PCB No indication Stays OFF Stays OFF Stays OFF ower OFF broken wire blown fuse broken transformer wire Repair Repair 3 times Replacement of remote controller Indoor outdoo BB WAIT h or 2 times Keeps units connectioi oor connection breakage of indoor outdoor units connection wire INSPECT JU flash flashing wire emote controller Improper setting of master and slave by remote controller end Poor connection of remote controller signal wire White wires Noise For wire breaking at power ON the LED is OFF Keeps Intrusion of noise in remote controller wire flashing Replacement of emote contro i Defective remote controller or indoor control PCB defective communication circuit remote controller or indoor control PCB Stays OFF Stays OFF Indoor outdoor Poor connection of wire between indoor outdoor units during operation units connection disconnection loose connection wire Anomalous communication between indoor outdoor units by noise etc 2 times 2 times Keeps flash as flash flashing Noise CPU runaway on outdoor control PCB 2 times 5 Keeps Repair Stays OFF flash flashing Outdoor control Occurrence of defective outdoor control PCB on the way of power supply defective com Replacement of PCB m
161. OFF ontent Remote controller E51 Outdoor control PCB Keeps flashing Outdoor inverter PCB Yellow LED 2 times flash or 6 times flash time flash Inverter and fan motor anomaly 1 Applicable model 5 Troubleshooting All models Diagnosis Countermeasure When power transistor anomaly is detected for 15 minutes continuously 3 Condition of Error displayed Same as above 4 Presumable cause Defective outdoor fan motor Defective inverter PCB Defective outdoor control PCB Is DCISV detected between the connector YES CNI2 on the inverter PCB NO Is DCISV detected between the hanesses at the control PCB side after Value in for the 3 phase models YES disconnecting the connector or 2 NO Is DC15V detected on the fan motor connector YES Defective inverter Replace Broken harness wire Replace fan motor Defective outdoor control PCB Replace 2 Error detection method Note 96 10 PAC SM 137 Error code Remote controller E53 LED Green Red Indoor Keeps flashing Stays OFF Outdoor Keeps flashing 1 time flash Suction pipe temperature thermistor anomaly I Applicable model 5 Troubleshooting models 2 Error detection method
162. OFF or Compressor inverter E 59 Stays OFF p 4 times Anomalous compressor startup Replacement 100 lashing ashing flash PCB Note 1 mark in the Description of trouble means that in ordinary diagnosis it cannot identify the cause definitely and if the trouble is repaired by replacing the part it is judged consequently that the replaced part was defective iii Optional controller in use Indoor unit control PCB Outdoor unit control PCB Error code Red LED Red LED Green LED Red LED Green LED Description of trouble Repair method E 7 5 Keeps flashing Stays OFF Keeps flashing Stays OFF Keeps flashing Communication error Defective communication circuit on the main unit of SC SL2N E or SC SL3N E ete Replacement 10 PAC SM 137 iv Display sequence of error codes inspection indicator lamps Bl Occurrence of one kind of error Displays are shown respectively according to errors Bl Occurrence of plural kinds of error Section Category of display Error code on remote controller Displays the error of higher priority When plural errors are persisting Red LED on indoor control PCB Bb ere outdoor Displays the present errors When a new error has occurred after the former error was reset contro B Error detecting timing thermistor anomaly Section Error description Error code Error de
163. ON OFF switch accumulates to 180 hours 1 FILTER CLEANING is displayed on the remote controller This is displayed when the unit is in trouble and under the centralized control regardless of ON OFF Note 1 Time setting for the filter sign can be made as shown below using the indoor function of wired remote controller FILTER SIGN SET It is set at 1 at the shipping from factory Setting time 180 hrs Factory default Setting time 600 hrs Seiting time 1 000 hrs Setting time 1 000 hrs Unit stop 2 2 After the setting time has elapsed the FILTER CLEANING is displayed and after operating for 24 hours further counted also during the stop the unit stops Auto swing control Applicable model FDTC FDT and FDEN 1 Louver control a Press the LOUVER button to operate the swing louver when the air conditioner is operating SWING is displayed for 3 seconds and then the swing louver moves up and down continuously b To fix the swing louver at a position press one time LOUVER button while the swing louver is moving so that four stop positions are displayed one after another per second When a desired stop position is displayed press LOUVER button again The display stops changes to show the STOP 1 for 5 seconds and then the swing louver stops Louver operation at the power on with a unit having the louver 4 position control function The louver swing
164. Romote controller signal receiving part Backup switch Operation display light Green e Lights continuously Under air conditioner operation Keeps flashing Under heating preparation At the time of heating operation 3 time flash Under reception of a remote controller signal Timer Check display light Yellow Lights continuously Under timer operation 0 5 seconds lighting 0 5 seconds stays OFF At the time of anomalous 2 seconds lighting 1 second stays OFF Filter sign Check monitor Error code display E1 E60 7 10 e PAC SM 137 Power transistor module including the driver PCB inspection procedure Is the power transistor module cracked or burnt Is there a short circuit between the power transistor module terminals 1 Compressor operation Is there any difference in the compressor current between phases YES YES YES If there is a 10 or greater difference in the current in different phases except during acceleration or deceleration Normal Replace the outdoor unit inverter PCB 4 Power transistor module terminal short circuit check procedure Disconnect the compressor wiring then conduct a short circuit check P U P V P W N U N V N W Check between the P N terminals Bring the tester probes in contact with the following places on each te rminal P Power tra
165. Temporary attaching Lift up the hanger 2 places on the panel for temporary support Hang the panel on the hook on the indoor unit 2 Fix the panel on the indoor unit Fasten the panel on the indoor unit with the four bolts supplied with the panel improperly tightened hanging can cause the problems listed below so make sure that you have tightened them securely M there is a gap remaining between the and the decorative panel even after the hanging bolts are tightened adjust the installation level of the indoor unit again Dew condensation or dripping Make sure no gap is left here It is possible to adjust the installation hei of the indoor unit with the panel attached as long as there is no influence on the drain pipe lination and or the indoor unit levelness pe To adjust finely please tum a nut fastening the indoor unit SUL _ using spanner or similar toot from the opening on the comer Cautior Make sure there is no stress given on the panel when adjusting the height of the indoor unit to avoid unexpected distortion It may cause the distortion of panel or failing to close the air return grille Electrical wiring 1 After removing three screws of control box detach the cover of control box the hatched part 2 Connect the connector for louver motor white 20P Hold the wiring by using the clamps of the indoor unit Hold the connector inside the control box 3 Co
166. and refrigerant leakage afier a long period cour which can cause serious accidents 0o not put the drainage pipe directly into drainage c whore poisonous gases such as sulfide gas can eee occur il tow ino te and fici the user s heath and sol This can alo Check if the drainage is correctly done during commissioning and ensure the space for inspection and maintenance ola DO Oanl gt Ensure the insulation on the pipes for refrigeration circuit so as not condense water A Incomplete insulation could cause condensation and it would wet ceiling floor and amy other valuables Connect the pipes for refrigeration circuit securely in installation work before compressor is operated Do not install the outdoor unit where is likely to be a nest for insects and small animals Ihe compressor is operated when the service vae is open without connecting the pipe could cause explosion and injuries due Insects and small animals could come into the electronic components and cause breakdown and fire Instruct the user to to abnormal high pressure in the system keep the surroundings dean Stop the compressor before removing the pipe after shutting the service valve on pump down work Pay extra attention carrying the unit by hand If the pipe is removed when the compressor is in operation with the service valve open air would be mixed in the refrigeration circuit Carry the unit with 2 people
167. bolis Air outlet opening for ducting Select the suitable areas to install the unit under approval of the user Areas where the indoor unit can deliver hot and cold wind sufficiently Suggest to the user to use a circulator if the ceiling height is over 3m to avoid warm air being accumulated on the ceiling rud 8 7 Sol Suspension bolts pitch Areas where Areas where here is enough space to install and service can be drained properly Areas where drain pipe descending slope can be taken Areas where there is no obstruction of airflow on both air return grille and air supply port Areas where fire alarm will not be accidentally activated by the air conditioner Areas where the supply air does not short circuit Areas where it is not influenced by draft air Areas not exposed to direct sunlight Areas where dew point is lower than around 28 and relative humidity is lower than 80 This indoor unit is tested under the condition of JIS Japan Industrial Standard high humidity condition and confirmed there is no problem However there is some risk of condensation drop if the air conditioner is operated under the severer condition than mentioned above If there is a possibility to use it under such a condition attach additional insulation of 10 to 20mm thick for entire surface of indoor unit re
168. cause damage pinole of drain pan and leakage of water o rising To avoid damaging keep the indoor unit packed or cover the indoor unit proper fitfing may cause abnormal heat and fire Install the drain pipe to drain the water surely according to the installation manual 1 Improper connection of the drain pipe may cause dropping water into room and damaging user s belongings for refrigerant gas leakage after installation is completed he refrigerant gas leaks ino the house and comes in contact wif a fan heater stove or an oven tx gas is produced Do not share the drain pipe for indoor unit and GHP Gas Heat Pump system outdoor unit Toxic exhaust gas would flow into room and it might cause serious damage some poisoning or deficiency of oxygen to the specified pipe flare nut and tools for 410 user s health and safely Using existing parts R22 could cause the unit failure and serious accident due to explosion of the cooling cycle Be sure to perform air tightness test by pressurizing with nitrogen gas after completed refrigerant piping work Tighten the flare nut according to the specified method by with torque wrench If the density of refrigerant exceeds the limit in the event of refrigerant leakage in the small room lack of oxygen can N the flare nut were tightened with excess torque it could cause burst and refrigerant leakage after long period occur which can cause serious acciden
169. cc of water to the unit through the air outlet by using a feed water pump 2 Check the drain while cooling operation Insert water supply hose for 20mm 30mm to Attached drain hose clamp supply water Insert hose facing Drain Pour water into a convex joint toward bottom piping ote Drain situation can be checked with transparent socket Remove grommet Mf the electrical work has not been completed connect Make sure to Install it back after test Outline of bottom drain piping work i the bottom drain piping can be done with a descending gradient 1 50 1 100 it is possible to connect the pipes as shown in the drawing below joint in the drain pipe connection to provide a water inlet Then check if water leaks from the piping system and that drain flows through the drain pipe normally Connecting port of top drain pipe Standard hard polyvinyl chloride pipes Qy Insulating material Rubber stopper to be removed Connecting port of bottom drain pipes Uncoupling the drain motor connector Uncouple the connector CNR for the drain motor as illustrated in the drawing on the right drain water will be discharged from the upper drain pipe joint causing a water leak For drain motor connector CNR blue Note If the unit is run with the connector coupled 10 PAC SM 137 Drain pipe continued Drain pump operation Oln case electrical wiring work fin
170. circumstances Both mentions the important items to protect your health and safety so strictly follow them by any means The meanings of Marks used here are as shown as follows Never do it under any circumstances O 6 Aways do it according to the instruction After completing the installation do commissioning to confirm there no abnormalities and explain to the customers about SAFETY PRECAUTIONS correct operation method and maintenance method air filter Cleaning operation method and temperature setting method with user s manual of this unit Ask your customers to keep this installation manual together with the user s manual Also ask them to hand over the user s manual to the new user when the owner is changed ANWARNING Installation should be performed by the specialist qu Ifyou instal the unit by yourself it may lead to serious trouble such as wate leakage electric shock fe and injury due to overt of fe unit install the system correctly according to these installation manuals Improper instalation may cause explosion injury water leakage electric shock and fire When installing in small rooms take prevention measures not to exceed the density limit of refrigerant in the event of leakage referred by the formula accordance with 1505149 qu If the density of refrigerant exceeds the limit please consult the dealer and install he ventilation system otherwise lack of Oxygen can occur which can cau
171. compressor rotation speed is decreased by detecting indoor heat exchanger temperature Thi R in order to control high pressure 10 PAC SM 137 Remote controller E9 LED Green Red Indoor Keeps flashing 1 time flash Outdoor Keeps flashing Stays OFF Drain trouble FDT FDTC FDU and FDUM series 1 Applicable model 5 Troubleshooting FDT FDTC FDU and series only Diagnosis Countermeasure 2 Error detection method Float switch is activated 3 Condition of Error displayed If the float switch OPEN is detected for 3 seconds continuously or if float switch connector or wire is disconnected 4 Presumable cause Defective indoor control or power PCB Float switch setting error Humidifier DM interlock setting error Optional equipment setting error Drain piping error Defective drain motor Disconnection of drain motor wiring Check the error data in the remote controller Is there any overflow there Is the humidifier connected Is the CNI connected firmly Is anomaly on the optional equipment YES any Note 1 FDUM FDU only YES gt gt YES Is the humidifier Drain Motor interlocked by the indoor unit function setting of remote controller
172. connected to the remote controller is one Go to step 4 TALONG a4 E 43 Sm SEES The following is displayed if the number of the indoor units m a Connected to the remote controller more than one OBETI 2 4 6 8 1 11000 3 5 7 9 Press aorwbutton selection of indoor unit Select the indoor unit of which the louver is set EXAMPLE 1 9003 27 11001 Press SET button determination of indoor unit eSelected indoor unit is fixed EXAMPLE LAO ctaptayed tor two seconds oul a Pressaorv button selection of louver No eSelect the louver to be set according to the right figure EXAMPIE Phi SOM DR ve Press C939 SET button Determination of louver No The louver No to be set is confirmed and the display shows the upper limit of the movable range EXAMPLE If No 1 louver is selected MUTO vpper position Press aor vbutton selection of upper limit position Select the upper limit of louver movable range position 1 is the most horizontal and position 6 is the most downward position is to return to the factory setting horizontal If you need to change the setting to the default Setting use position Fe mon 6 downwards the position of the louver phe downwards etum to the default setting
173. controller line Set unique remote control communication address from 0 to F to each inside unit by the rotary switch SW2 on the indoor unit s After a unit is energized it is possible to display an indoor unit address by pressing AIR CON NO button on the remote control unit Press the A W button to make sure that all indoor units connected are displayed in order Indoor Unit 1 Address 0 Confirming method of indoor units When indoor unit address number is displayed on remote controller pushing the MODE button to make the indoor unit with that number blow air Display example U001 Push the S MODE button again to stop the operation However this operation is invalid on the air conditioning running Master slave setting when more than one remote control unit are used A maximum of two remote control units can be connected to one indoor unit or one group of indoor units The air conditioner operation follows the last operation of the remote controller regardless of the master slave setting of it Acceptable combination is two 2 wired remote controllers one 1 wired remote controller and one 1 wireless kit or two 2 wireless kits Set SW1 wired remote controller or SW1 2 wireless kit to Slave for the slave remote control unit It was factory set to Master for shipment Note The setting Remote control unit sensor enabled is only selectable with
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175. flashing Stays OFF Outdoor Keeps flashing Stays OFF Remote controller communication circuit error 1 Applicable model 5 Troubleshooting models Diagnosis Countermeasure 2 Error detection method When normal communication between the remote controller and the indoor unit is interrupted for more than 2 minutes Detectable only with the remote controller 3 Condition of Error displayed Same as above 4 Presumable cause Defective communication circuit between remote controller indoor unit Noise Defective remote controller Faulty indoor control PCB Is it possible to reset normally by the power reset NO YES v Tum SW7 1 Remove the wire between indoor outdoor units OFF ON connecting Power reset minut N Note 2 Doest after 3 Does the drain pump restart automatically YES v e later he remote controller still display fh WAIT th even minutes Malfunction by noise Check peripheral environment Defective indoor control PCB Replace Defective remote controller Replace reset automatically Note If the indoor unit cannot communicate normally with the remote controller for 180 seconds the indoor unit PCB starts to 10 PAC SM 137 9 Remote controller E5
176. generated Toxic gas would flow into the room and it would cause serious damage to user s health and safety some poisoning or deficiency of oxygen In addition it may cause corrosion of heat exchanger and bad smell Connect the pipe securely to avoid water leakage from the joint Insulate the pipe properly to avoid condensation drop Check if the water can flow out properly from both the drain outlet on the indoor unit and the end of the drain pipe after installation Make sure to make descending slope of greater than 1 100 and do not make up down bend and or trap in the midway In addition do not put air vent on the drain pipe Check if water is drained out properly from the pipe during commissioning Also keep sufficient space for inspection and maintenance Work procedure 1 Make sure to insert the drain hose the end mode of soft PVC to the end of the step part of drain socket Attach the hose clamp to the drain hose around 10mm from the end and fasten the screw within 5mm left to the nut Do not apply adhesives on this end s cover big Joint for VP 20 eese Prepare on site Thesteppart Drain hose Prepare on site Pipe cover small or insulation Prepare on site a Drain socket Accessory Pipe cover small For insulation Accessory N No adhesive allowed Fasten the screw within 5 mm left to the nut Hose clamp Drain hose A Metal plate 7 2 joint f
177. holed installation tool level according to the method below Adjust so illustrated below the bottom side of the Pipe side Pour F Water surface Let the pipe side be slightly sloped unit will be leveled with the water surface as Vinyl hose Olf the unit is not leveled it may cause malfunctions or inoperation of the float switch Duct Work A corrugated board for preventing sputtering is attached to the main body of the air conditioner on the outlet port Do not remove it until connecting the duct CD The air conditioner main unit does not have an air filter Incorporate it into the easy to clean suction grille Blowout duct The ducts should be at their minimum lengths keep the bends to a minimum The bending radius should be as large as possible Bad example 5 Bad example Good 7 Conduct the duct work before ceiling attachment sSuction duct Make sure to insulate the duct to prevent dewing on it Location and form of blow outlet should be selected so that air from the outlet will be distrib uted all over the room and equipped with a device to control air volume 5 Make sure provide an inspection hole on the ceiling It is indispensable to service elecric equipment motor functional components and cleaning of heat exchanger Air conditioner main unit Y Ceiling suriace 9 Su
178. if it is heavier than 20kg Do not use the plastic straps but the grabbing place moving the unit and could cause explosion and injuries dee to abeormal high pressure in the cooling cycle by hand Use protective gloves in order to avoid injury by the aluminum fin Only use prescribed optional parts The installation must be carried out by the qualified installer Make sure to dispose of the packaging material o If you install system by yourself it can cause serious trouble such as waler leaks electric shocks fire Leaving the materials may cause injury as metals like and woods are used in the package i n Do not operate the system without the air filter Do not urself And consult with the dealer about repair d It may cause the breakdown of the system due to clogging of the heat exchanger Improper instalation may cause water leakage electric shock or fire Do not touch the refrigerant piping with bare hands when in operation i i TT 900 not run the unit when the panel or protection guard are taken off It could cause electric shock bumed or electric shock Be sure to wait for more than 5 minutes Otherwise it could cause water leakage or breakdown Shut off the power before electrical wiring work Do not control the operation with the circuit breaker It could cause electric shock unit failure and improper running It could cause fire or water leakage In addition the fan may
179. increased by up to 2 taps Compressor frequency drop start temperature Symbol Item Temperature Low Factory default 1 0 Temperature High 2 5 Note 1 Frost prevention temperature setting can be selected with the indoor unit function setting of the wired remote controller o Heating overload protection D 2 If the indoor heat exchanger temperature detected with Thi R at 63 C or higher is detected for 2 seconds continuously the compressor stops When the compressor is restarted after a 3 minute delay if a temperature at 63 C or higher is detected for 2 seconds continuously within 60 minutes after initial detection and if this is detected 5 times consecutively the compressor stops with the anomalous stop E8 Anomalous stop occurs also when the indoor heat exchanger temperature at 63 C or higher is detected for 6 minutes continuously Compressor OFF Compressor ON 56 63 Indoor heat exchanger temperature Indoor unit fan speed selection If after second detection of heating overload protection up to fourth the indoor fan is set at Me and Lo taps when the compressor is turned ON the indoor fan speed is increased by 1 tap p 9 10 PAC SM 137 Anomalous fan motor In case of FDT FDTC only After starting the fan motor if the fan motor speed is 200rpm or less is detected for 30 seconds continuously and 4 times within 60 minutes then fan motor stops with the anomal
180. initial operation 1 3 1 Applicable model 5 Troubleshooting All models Diagnosis Countermeasure 2 Error detection method 3 Condition of Error displayed 4 Presumable cause Faulty indoor control or power PCB Defective remote controller Broken remote controller wire Faulty outdoor control PCB Broken connection wires WaAIT is still displayed on the remote controller LED 2 minutes after power ON I YES Is the outdoor unit control green LED flashing YES See next page Is the indoor unit green LED flashing YES Is the outdoor unit control red LED flashing twice Are wires connected properly between indoor NO Defective indoor control PCB Replace NO 9 Defective indoor control PCB9 Replace Defective remote controller2 Replace Broken remote controller wire Y Replace outdoor units YES 1 approx DC20V detected between on the outdoor unit terminal block YES Is approx C20V detected between on NO gt Correct connection wires between indoor and outdoor units NO Defective outdoor control PCB Replace Defective connection wire NO gt the indoor unit terminal block Broken Noise gt Defective indoor control or YES power PCB Replace
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182. keep the indoor unit packed or cover the indoor unit Install the drain pipe to drain the water surely according to the installation manual Improper connection of the drain pipe may cause dropping water into room and damaging user s belongings Do not share the drain pipe for indoor unit and GHP Gas Heat Pump system outdoor unit Toxic exhaust gas would flow into room and it might cause serious damage some poisoning or deficiency of oxygen to user s health and safety Be sure to perform air tightness test by pressurizing with nitrogen gas after completed refrigerant piping work If the density of refrigerant exceeds the limit in the event of refrigerant leakage in the small room lack of axygen can occur which can cause serious accidents For drain pipe installation be sure to make descending slope of greater than 1 100 not to make traps Places where cosmetics or special sprays are frequently used Highly salted area such as beach Heavy snow area Places where the system is affected by and not to make air bleeding Check if the drainage is correctly done during commissioning and ensure the space for inspection and maintenance Ensure the insulation on the pipes for refrigeration circuit so as not to condense water Incomplete insulation could cause condensation and it would wet ceiling floor and any other valuables Do not install the outdoor unit where is likely to be a nest for insects and small anima
183. left side of the unit to the right side mhe A Beware of a possible outflow of water that may Lowest point occur upon removal of a drain plug 2 Fix the drain hose at the lowest point with g hose clamp supplied as an accessory i IL jim XX Give a drain hose a gradient of 10mm 4 as illustrated in the right drawing by laying it without leaving a slack Take head of electrical cables so that they may not run beneath the drain hose drain hose must be clamped down with a hose clamp There is a possibility that drain water overflows 3 Connect VP 20 prepare on site to drain hose adhesive must not be used Use commercially available rigid PVC general pipe VP 20 for drain pipe 4 Do not to make the up down bending and trap in the mid way while assum ing that the drain pipes is downhill more than 1 100 Never set up air vent 5 Insulate the drain pipe e Insulate the drain hose clamp with the heat insulation supplied as accessories When the unit is installed in a humid place consider precautions against dew condensation such as heat insulation for the drain pipe p Heat inmdation material Drain hose accessory VP 20 Claro accessory prepare on Orain hose 5 clamp t can be attached from both anc outside the urit Drain test After installation of drain pipe make sure that drain system work in good condition and no water leakage from joint and drain pan
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185. of inveter exceeds the specifications it makes the compressor stopping After 3 minute delay the compressor restarts but if this amonaly occurs 4 times within 30 minute after the intial detection 4 Presumable cause Defective outdoor control PCB Defective inverter PCB Faulty power supply nsufficient refrigerant amount Faulty compressor Faulty power transistor module Continue from previous page Is the Checked result of power transistor module OK NO YES s the space for installation of indoor and or outdoor unit enough s there any short circuit of air on indoor and or outdoor unit Atcooling does the outdoor fan motor run Are the service valves fully opened Is the filter clogged At heating does the indoor fan motor run Are the service valves fully opened Is the filter clogged s there any liquid flooding Is the superheat within normal range Is the low pressure sensor and suction pipe temperature thermistor normal s there any anoumalous sound on the compressor Tesetting power for several times does it become normal NO v YES Temporary noise may cause of anomaly If noise source can be found take countermeasure Defective inverter Replace Defective inverter Replace Note 90 10 PAC SM 137 e Remote controller
186. preventing sputtering is attached to the main body of the air conditioner on the outlet port Do not remove it until connecting the duct Q n air filter can be provided on the main body of the air conditioner on the inlet port Remove it when connecting the duct on the inlet port 2 Blowout duct Use according to the spot numbers shown in the table below with a 200 circular duct Multi type 22 36 45 56 71 90 112 140 Single type 80 56 71 100 140 Spotnumbers spot 2spots 3 or 2 spots 4 or 3 spots QM The difference of the duct lengths between each spot should be less than 2 1 Q The ducts should be at their minimum lengths Keep the bends to a minimum The bending radius should be as large as possible Bad example 5 7 Tie and secure the connection to the duct flange of the main unit blowout hole with a band Then apply insulation materials to the secured part for dew condensation prevention Q Use of the sound and heat insulated flexible duct is recommended for condensation preven tion and soundproofing sold separately 1m 2m 4m available Conduct the duct work before ceiling attachment inlet port When shipped the inlet port lies on the back When connecting the duct to the inlet port remove the air filter if it is fitted to the inlet port 5 Duct Work continued Q When placing the inlet port to carry out suction from the bottom side use the following procedure to rep
187. remote controller function of function setting mode is NO INDN CHANGE If upper limit value is set During heating even if the value exceeding the upper limit is set upper limit value will be sent to the indoor unit But the indication is the same as the temperature set If lower limit value is set During except heating even if the value lower than the lower limit is set lower limit value will be sent to the indoor unit But the indication is the same as the temperature set How to set upper and lower limit value 1 Stopthe air conditioner and press SET and MODE button at the same time for over three seconds The indication changes to FUNCTION SET V Press V button once and change to the TEMP RANGE indication Press SET button and enter the temperature range setting mode Select UPPER LIMIT or LOWER LIMIT A by using W button Press SET button to fix When UPPER LIMIT W is selected valid during heating CD Indication da V SET UP gt UPPER 30 C V 2 Select the upper limit value with temperature setting button V A Indication example UPPER 26 V blinking 8 Press C SET button to fix Indication example UPPER 26 C Displayed for two seconds After the fixed upper limit value displayed for two seconds the indication will return to UPPER LIMIT W 7 When LOWER LIMIT A is selected valid during cooling dry fan automatic CD Indication V A SET UP
188. spanner and giving orque to the nut with another spanner in order to avoid unexpected stress to the copper pipe and then remove them When fastening the flare nut align the refrigeration pipe with the center of flare nut screw the nut for 3 4 times by hand and then tighten it by spanner with the specified torque mentioned in the table below Make sure to hold the pipe on the indoor unit securely by a spanner when ightening the nut in order to avoid unexpected stress on the copper pipe 3 Cover the flare connection part of the indoor unit with attached insulation material after a gas leakage inspection and tighten both ends with attached straps Make sure to insulate both gas pipes and liquid pipes completely X Incomplete insulation may cause dew condensation or water dropping 4 Refrigerant is charged in the outdoor unit As for the additional refrigerant charge for the indoor unit and piping refer to the installation manual attached to the outdoor unit 88550 y Bo ve ssr y Pipe diameter Tightening torque N m wA 6 35 14 18 9 52 3410 42 12 7 491061 15 88 68 10 82 10010 120 Te thic hess ofinsution shoul by ore nstall the drain pipe according to the installation manual in order to drain properly imperfection in draining may cause flood indoors and wetting the household goods etc Do not put the drain pipe dir
189. surface or high voltage section could cause an injury to be caught in the machine to get Do not turn off the power source immediately after stopping the operation S Do not control the operation with the circuit breaker 0 2 Shut off the power before electrical wiring work It could cause electric shock unit failure and improper running 132 OThis model is middle static ducted type air conditioning unit Therefore do not use this model for direct blow type air conditioning unit Before installation install correctly according to the installation manual Confirm the following points OUnit type Power supply specification Fer refrigerant pe Fer dean pipe Pipe covert Pe cover sman Strap Pipe covenen Poe covers rie hoe Hose camp 6 0 1 1 4 4 1 1 Far heat For eat For f Redange parts are stored inside ot gas ppe connecting mortes fus suction side OPipes Wires Small parts _ OAccessory items 2 Selection of installation location for the indoor unit D Select the suitable areas to install the unit under approval of the user Areas where the indoor unit can deliver hot and cold wind sufficiently Suggest to the user to use a circulator if the ceiling height is over 3m to avoid warm air being accumulated on the ceiling Areas where there is enough space to install and service Areas where it can be drained prop
190. the Do not mix air in to the cooling cycle on installation or removal of the air conditioner If air is mixed in the pressure in the cooling cycle will rise abnormally and may cause explosion and injuries infrared specification unit Be sure to have the electrical wiring work done by qualified electrical installer and use exclusive circuit Locations where an equipment affected by high harmonics is placed TV set or radio receiver is placed within 5m Locations where drainage cannot run off safely It can affect performance or function and etc not put any valuables which will break down by getting wet under the air conditioner could drop when the relative hursidity is higher than 80 or drain pipe is clogged and it damages user s belongings Do not use the base frame for the outdoor unit which is corroded or damaged after a long period of use It could cause the unit falling down and injury Pay attention not to damage the drain pan by weld sputter when brazing work is done near the unit sputter entered into the unit during brazing work it could cause damage pinhole of drain pan and leakage of water D i Do Power source with insufficient capacity and improper work can cause electric shock and fire Condensation 105 specified wire for electrical wiring fasten the wiring to the terminal securely and hold the cable securely in order not to apply unexpected stress on the terminal Loose connections or
191. the gap between the ceiling and roof is over 700mm apply earthquake resistant brace to the bolt Oln case the unit is hanged directly from the slab and is installed on the ceiling plane which has enough strength When suspension bolt length is over 1000mm apply the earthquake resistant brace to the bolt Prepare four 4 sets of suspension bolt nut and spring washer M10 or M8 on site Ceiling opening Suspension bolts pitch Pipe position 860 to 910 Ceiling hole siza 778 Suspension bolts pitch __ Single Split PAC 40to 71 type EE Series 100 to 140 type 298 VRF K 28to71 type 246 Series 90 to 160 type 298 Gas piping Liquid piping Drain piping Hole for wiring Suspension bolts Outside air opening for ducting Air outlet opening for ducting 725 Suspension bolts pitch 648 Drain hose piece Accessory installed on site Manger plate r for suspention bolt 7 control box Air fiNet Ay retam grille 4 Installation of indoor unit Work procedure Prepare a ceiling hole with the size of from 860mm x 860mm to 910mm x 910mm referring to the template attached in the package Arrange the suspension bolt at the right position 725mmx778mm Make sure to use four suspension bolts and fix them so as to be able to hold 500N load Ensure that the lower end of the suspension bolt should be 50mm above the ceiling plane Temporarily put the four lower nuts 150m
192. thermostat is OFF the fan perform intermittent operation for five minutes with low fan speed after five minutes OFF Connected OA Processing type indoor unit and is automatically defined 10 PAC SM 137 1 Stop air conditioner and press cC 5 J MODE buttons at the same time for over three seconds and the FUNCTION SET will be displayed FUNCTION SET 2 Press button Make sure which do you want to set El FUNCTION remote controller function or I U FUNCTION indoor unit function 4 Press or button Selecct El FUNCTION Y remote controller function or I U FUNCTION indoor unit function E FUNCTION TAU FUNCTION dh 6 On the occasion of remote controller function selection DATA LOADING Indication with blinking i Display is changed to 01 GRILLE T4 SET 5 Press SET button Press A Y button No and function are indicated by turns on the remote controller function table then you can select from them For example lt Function No AUTO RUM SET Function Press J SET button The current setting of selected function is indicated for example AUTO RUN ON lt If 02 AUTO RUN SET is selected ALTO RUN DN Setting A or he setting AUTO RUN ON AUTO
193. to overtum of unit install the system correctly according to these installation manuals Improper installation may cause explosion injury water leakage electric shock and fire When installing in small rooms take prevention measures not to exceed the density limit of refrigerant in the event of leakage referred by the formula accordance with 505149 1 the density of refrigerant exceeds the limit please consult the dealer and install the ventilation system otherwise lack of oxygen can occur which can cause serious accidents Use the genuine accessories and the specified parts for installation parts unspecified by our company are used it could cause water leakage electric shock fire and injury due to overtum of the unit Ventitate the working area well in case the refrigerant leaks during installation o Af the refrigerant contacts the fire toxic gas is produced install the unit in a location that can hold heavy weight Improper installation may cause the urit to fall leading to accidents install the unit properly in order to be able to withstand strong winds such as typhoons and earthquakes improper installation may cause the urit to fall leading to accidents Do not mix air in to the cooling cycle on installation or removal of the air conditioner mixed in pressure in the cooling cycle wil rise abnormally and may cause explosion and injuries sure to have the electrical wiring wo
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195. water leakage from any joints of the drain pipe at the test Confirm that the water is properly drained out while the drain motor is operating At the drain socket transparent it is possible to check if the water is drained out properly Unplug the drain plug on the indoor unit to remove remain ing water on the drain pan after the test and re plug it And insulate the drain pipe properly finally Drain pump operation case electrical wiring work finished Drain pump can be operated by remote controller wired For the operation method refer to Operation for drain pump in the installation manual for wiring work Oln case electrical wiring work not finished Drain pump will run continuously when the dip switch SW7 1 on the indoor unit PCB is turned ON the Connec tor CNB is disconnected and then the power supply 230VAC on the terminal block M and is turned ON Make sure to turn OFF SW7 1 and reconnect the Connector CNB after the test Checking window for draining Drain plug wWiring out position and wiring connection Electrical installation work must be performed according to the installation manual by an electrical installation service provider qualified by a power provider of the country and be executed according to the technical standards and other regulations applicable to electrical installation in the country Be sure to use an exclusive circuit Use specified cord fasten the wiring to the terminal secu
196. 00 Insulate the drain pipe Be sure to insulate the drain socket and rigid PVC pipe installed indoors otherwise it may cause dew condensation and water leakage After drainage test implementation cover the drain socket part with pipe cover small size then use the pipe cover big size to cover the pipe cover small size clamps and part of the drain hose and fix and wrap it with tapes to wrap and make joint part gapless The position for drain pipe outlet can be raised up to 600mm above the ceiling Use elbows for installation to avoid obstacles inside ceiling If the horizontal drain pipe is too long before vertical pipe the backflow of water will increase when the unit is stopped and it may cause overflow of water from the drain pan on the indoor unit In order to avoid overflow keep the horizontal pipe length and offset of the pipe within the limit shown in the figure below 290 325 100 or less Drain hose vod Joint for VP 20 Prepare on site unit mm Otherwise the construction point makes it same as drain pipe construction Conduct a drain test after completion of the electrical work During the trail make sure that drain flows properly through the piping and that no water leaks from connections In case of a new building conduct the test before it is furnished with the ceiling Be sure to conduct this test even when the unit is installed in the heating season 1 Supply about 1000
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199. 2 5m above the floor 4000mm or more LZ 4 Indoor unit gt Indoor unit 1000mm or more 2500mm or more Obstacle Control T N box Air supply grile 0413 10700 Dein hose Accessory stad on ste 6 64 Holes for tapping screws E t Hanger plate for suspension bot 4 Installation of indoor unit Work procedure 1 This units is designed for 2 x 2 grid ceiling If necessary please detach the T bar temporarily before you install it If itis installed on a ceiling other than 2 x 2 grid ceiling provide an inspection port on the control box side Arrange the suspension bolt at the right position 530mmx530mm Make sure to use four suspension bolts and fix them so as to be able to hold 500N load Ensure that the lower end of the suspension bolt should be 45mm above the ceiling plane Temporarily put the four lower nuts 88mm above the ceiling plane and the upper nuts on distant place from the lower nuts in order not to obstruct hanging the indoor unit or adjust the indoor unit position and then hang the indoor unit Control box Ceiling panel Adjust the indoor unit position after hanging it by inserting the level gauge attached on the package into the air supply port and checking if
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202. 3 Operation control function by the indoor controller 6 1 FDTC FDT FDEN FDUM FDU series 6 2 SRK C 16 1 4 Operation control function by the outdoor controller 20 2 MAINTENANCE DATA 31 2 1 Diagnosing of microcomputer circuit esses 31 1 SelidiSgnosis TUREHOFTI ce bubo Suec ma cicuc quu aiu 31 2 Troubleshooting procedure 34 3 Troubleshooting at the indoor unit 5 2 aep rna 34 4 Troubleshooting at the outdoor unit 40 5 Check of anomalous operation data with the remote controller 47 6 Inspection display of wireless specification model FDEN FDT 48 7 Power transistor module including the driver PCB inspection procedure 49 8 Inverter checker for diagnosis of inverter output 50 9 Outdoor unit controller failure diagnosis circuit diagram 51 2 2 Troubleshooting TOW iiie 54 3 ELECTRICAL WIRING 101 1 Indoor units MRRK E 101 2 esed i AA TERT 110 4 PIPING SYSTEM
203. 50 1 100 it is possible to connect the pipes as shown in the drawing below Connecting port of top drain pipe N Standard hard polyvinyl Connecting port of bottom drain pipes chloride pipes Insulating material Rubber stopper to be removed Uncoupling the drain motor connector Uncouple the connector CNR the drain motor as illustrated in the drawing on the right eu Note If the unit is run with the connector coupled drain water will be discharged from the upper drain pipe joint causing a water leak For drain motor connector CNR blue 139 10 PAC SM 137 Drain pipe continued Drain pump operation Oln case electrical wiring work finished Drain pump can be operated by remote controller wired For the operation method refer to Operation for drain pump in the installation manual for wiring work Oln case electrical wiring work not finished Drain pump will run continuously when the dip switch SW7 1 on the indoor unit PCB is turned ON the tor CNB is disconnected and then the power supply 230VAC on the terminal block 1 and is turned ON Make sure to turn OFF SW7 1 and reconnect the Connector CNB after the test amp Wiring out position and wiring connection Electrical installation work must be performed according to the installation manual by an electrical installation service provider qualified b
204. 50V 3 Replace the PCB 1 Fix the PCB so as not to pitch the cords 2 Connect connectors to the PCB Connect a cable connector with the PCB connector of the same color 3 Do not pass CPU surrounding about wirings Control PCB Parts mounting are different by the kind of PCB CNT Blue CNV Red External switch i CNJ White Louver motor LET SW2 Blue Address setting Leoz z CM cin Yrs CNW3 Red Power PCB 4 uc is CNG Blue ke wg SWI ONES sw x MZ Part number gt t omei er 2 c CNN Yellow Thermistor ET Heat exchanger 5 RR woe men FRO 8 Humidity sensor Float SW controller CNH Black Thermistor Return air CNC Red CNI Blue CNV2 Black Auto lift CNB White 10 PAC SM 137 Power PCB PSB012D953A This PCB is a general PCB Replace the PCB according to this instruction D Replace the PCB refer to right dwg 1 Unscrew terminal of the wiring yellow green soldered to PCB from the box 2 Cut the band that binds the wiring red and blue from connector and CNW2 and the wiring yellow green from PCB T2 T3 Note 1 However do not cut the band that binds only the red and blue wirings 3 Replace the PCB only after all the wirings connected to the connector are removed 4 Fix the board such
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208. B Defective indoor control PCB Defective temperature thermistor input circuit s PC Replacement repair Drain trouble Defective drain pump DM broken drain pump wire disconnected connector of DM Float switch Anomalous float switch operation malfunction Repair 1 time flash Stays OF Defective indoor control PCB Defective float switch input circuit Replacement of Ind trol PCB Ld Defective indoor control PCB Defective DM drive output circuit PCB Option Defective optional parts At optional anomalous input setting Stays OFF ps Slays OF ps Number of con When multi unit control by remote controller is performed the number of Repair 76 s nected indoor units units is over Indoor unit No set S 3 times 5 ting No master is assigned to slaves flash shi H ashi 2E Repair 77 Remote controller wires Anomalous remote controller wire connection broken wire between master and slave units Fan motor Defective fan motor Stays OFF Stays In case of FDTC FDT SRK Indoor control PCB Defective indoor control PCB 1 time flash Stays OF y PS Indoor control PCB Improper operation mode setting g Remote controller Stays OFF F temperature therm Broken wire of remote controller temperature thermistor istor Note 1 Normal indicator lamp Indoor outdoor units Green extinguishes or lights
209. C SM 137 Dewing prevention control Control condition During cooling and dehumidifying operation if all the following conditions are established the compressor speed frequency is reduced to prevent dewing and water splash Cooling electronic expansion valve aperture EEVC is 500 pulses Suction overheat is 10 C or higher Compressor speed frequency is A rps or higher Control contents O When the suction overheat is 10 C or higher the compressor speed frequency is reduced at each 1 minute Compressor speed frequency does not rise till the cooling expansion valve becomes 460 pulses 71 42 This control takes A rps as its lower limit so that compressor 100 140 speed is not controlled when it is less than A rps Refrigerant quantity shortage protection Under the compressor protection start III control during cooling and dehumidifying operations the following control is performed by detecting the indoor unit heat exchanger temperature Thi R and the indoor unit return air temperature Thi A Control condition When the state that the indoor unit heat exchanger temperature Thi R does not become lower than the indoor unit return air temperature Thi A by 4 C or more continues for 1 minute Control contents It judges that the flowing of refrigerant in to the indoor unit is insufficient so that the compressor is stopped and 57 is displayed on the remote controller Broken wire detection on temperatur
210. Depends on operation mode Indoor heat exchanger Depends on stop mode 4 way valve OFF temperature C Notes 1 When the indoor heat exchanger temperature is in the range of 2 5 5 C the speed is reduced by 4 rps at each 20 seconds 2 When the temperature is lower than 2 5 C the compressor is stopped 3 When the indoor heat exchanger temperature is in the range of 5 8 C the compressor command speed is been maintained h i 3 10 PAC SM 137 Reset conditions When either of the following condition is satisfied a The indoor heat exchanger temperature Th2 is 8 or higher b The compressor command speed is 0 rps Indoor fan motor protection When the air conditioner is operating and the indoor fan motor is turned ON if the indoor fan motor has operated at 300 rpm or under for more than 30 seconds the unit enters first in the stop mode and then stops the entire system Serial signal transmission error protection a Purpose Prevents malfunction resulting from error on the indoor lt gt outdoor signals b Detail of operation If the compressor is operating and a serial signal cannot be received from the indoor control with outdoor control having serial signals continues for 7 minute and 35 seconds the compressor is stopped After the compressor has been stopped it will be restarted after the compressor start delay if a serial signal can be received again from the indoor control Plu
211. FF 1 0N d 40V sov 60 100V 125V 140V Swe2 1 1 1 O o swe4 1 1 Table 2 Indoor unit Master Slave setting with SW5 1 SW5 2 0 OFF LI ON Po 5 1 SWS 2 Mater 0 Slavel 1 10 o o Slave ___ 1 39 4 10 PAC SM 137 Troubleshooting at the outdoor unit When troubleshooting the outdoor unit firstly assess the overview of malfunction and try to presume the cause and the faulty part by checking the error cord dispalyed on the remote controller and flashing pattern of indicator lamps Red LED and Green LED and then proceed further inspection and remedy it Self diagnosis system by microcomputor on indoor and outdoor PCB can assist to find the cause of malfunction smoothly by making a diagnosis of not only the anomaly of microcomutor but also the anomaly in power supply system installation space overload resulting from improper charging amount of refrigerant and etc Unless the power is reset the error log is saved in memory and the inspection indicator lamps on outdoor PCB keep flashing after automatical recovering from malfunction After automatical recovering from malfunction if any another error mode which has a higher priority than the previous error saved in memory occurs it is overwritten in memory and is displayed Reset of power supply Be sure to avoid electrical shock
212. H 1 11 i Z nmm 21 Receiver i me TERRENO pigs c RN RUE Preset point of the protective devices Parts name Mark Eam 71 100 125 140 model Thermistor EDN for protection ODE 6362 56 48 5 overloading in heating Thi R Indoor unit Th2 Thermistor OFF 1 0 2 5 C for frost prevention ON 10 8 C Thermistor q for protection high Tho R Outdoor uni g ON 65 pressure in cooling Thermistor 9 for detecting discharge Tho D Outdoor uni OFP 115 ON 85C pipe temp High pressure switch OFF 4 15MPa for protection Bun Outdoor uni ON 3 15MPa Low pressure sensor OFF 0 227MPa for protection LPT Outdoor uni ON 0 079MPa Note 1 Values in show in the case of model SRK 115 10 PAC SM 137 5 APPLICATION DATA 5 1 Installation of indoor unit PJAO12D786 1 Ceiling cassette 4way compact type FDTC This manual is for the installation of an indoor unit For electrical wiring work Indoor refer to the electrical wiring work installation manual For remote controller installation refer to the installation manual attached to a remote controller For wireless kit installation refer to the installation manual attached to a wireless kit For electrical wiring work Outdoor and refrigerant pipe work installation for outdoor unit refer to the installation
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215. Ifthe float switch detects any anomalous draining condition the unit stops with the anomalous stop displays E9 and the drain pump starts After detecting the anomalous condition the drain motor continues to be ON ii It keeps operating while the float switch is detecting the anomalous condition b Control B If the float switch detects any anomalous drain condition the drain motor is turned ON for 5 minutes and at 10 seconds after the drain motor OFF it checks the float switch If it is normal the unit is stopped under the normal mode or if there is any anomalous condition E9 is displayed and the drain motor is turned ON The ON condition is maintained during the drain detection Drain motor DM interlock control a Start conditions Depending on the function setting by the remote controller the drain motor is turned ON under either one of the following conditions i During heating mode operation Both the thermostat ON OFF ii During heating mode operation Both the thermostat ON OFF Fan operation iii Fan operation b End conditions The drain motor is turned OFF 5 minutes after the stop of operations 1 to 11 above m Operation check drain pump test run operation mode 1 2 If the power is turned on by the dip switch SW7 1 on the indoor PCB when electric power source is supplied it enters the mode of operation check drain pump test run It is ineffective prohibited to change the switch after turning power on When
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217. LCD continues to show the display which has been shown before entering this control 3 Louver free stop control When the louver free stop has been selected with the indoor function of wired remote controller POSITION the louver motor stops when it receives the stop signal from the remote controller If the auto swing signal is received from the remote controller the auto swing will start from the position where it was before the stop Note 1 When the indoor function of wired remote controller Louver control setting has been switched switch also the remote control function z POSITION in the same way 10 PAC SM 137 d Timer operation 1 Timer Set the duration of time from the present to the time to turn off the air conditioner It can be selected from 10 steps in the range from OFF 1 hour later to OFF 10 hours later After the clock timer setting the remaining time is displayed with progress of time in the unit of hour 2 OFF timer Time to turn OFF the air conditioner can be set in the unit of 10 minutes 3 ON timer Time to turn ON the air conditioner can be set Indoor temperature can be set simultaneously 4 Weekly timer Timer operation ON timer OFF timer can be set up to 4 times a day for each weekday 5 Timer operations which can be set in combination Item iem Timer OFF timer ON timer Weekly timer Timer x OFF timer x O x ON timer O Weekly timer x x x Note 1
218. M 137 1 3 Operation control function by the indoor controller FDTC FDT FDEN FDUM and FDU series Auto operation If Auto mode is selected by the remote controller the heating and the cooling are automatically switched according to the 1 a b c difference between outdoor air temperature and setting temperature and the difference between setting temperature and return air temperature When the switching of cooling mode lt gt heating mode takes place within 3 minutes the compressor does not operate for 3 minutes by the control of 3 minute timer This will facilitate the cooling heating switching operation in intermediate seasons and the adaptation to unmanned operation at stores etc ATM corner of bank Cooling operation Heating 1 3 4 43 Room temperature setting temperature Room temperature detected with Thi A deg Note 1 Room temperature control during auto cooling auto heating is performed according to the room temperature setting temperature DIFF 1 deg 2 If the indoor heat exchanger temperature rises to 59 C or higher durin 5 p g 5 Heating operation stopped cooling heating operation it is switched automatically to cooling operation In addition for 1 hour after this switching the heating operation is not Heating i performed regardless of the temperature shown at right 1 56 59 Indoor heat exchanger temperature Ope
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221. N AULO LANES PIOC SUAIP adid quod DUPUE Ges 990 IMASZI INNOD SAGZV SMDUNASZI METS uonepeufep eoueunopied einjre 0 e ynsas ue dodwy asn pue uomejejsui yun uo umoo au 3418800 eys pue suoneoupsads YUN jo ui sjurod au XIII e asn pue uonejjejsui uo 1 qun lt ojBuis gt MYOM 1 93919339 161 10 PAC SM 137 JO apis YORG uo jaqe uogneo edid 1nd Ba eunjrej 20sseJdui09 esned ued euim jo Ajnuenb juerayynsur ue YM OE e uns paseya s ueuw e abuo ay aunseaw 0 ALIS e Aq e Huey wun 6uuejue uodn jm yey os suonipuoo jsn pe 12ejoud 0 pesn s 51 ou jueJe6uje eseu
222. N is retained so far as the thermostat is turned OFF After stopping the cooling operation the indoor unit continues to run at Lo for 15 seconds 10 PAC SM 137 d Timer operation 1 2 3 4 5 Sleep timer Set the duration of time from the present to the time to turn off the air conditioner It can be selected from 10 steps in the range from OFF 1 hour later to OFF 10 hours later After the sleep timer setting the remaining time is displayed with progress of time in the unit of hour OFF timer Time to turn OFF the air conditioner can be set in the unit of 10 minutes ON timer Time to turn ON the air conditioner can be set Indoor temperature can be set simultaneously Weekly timer Timer operation ON timer OFF timer can be set up to 4 times a day for each weekday Timer operations which can be set in combination Item Item Sleep timer OFF timer ON timer Weekly timer Sleep timer x OFF timer x x ON timer O x Weekly timer x x x Note 1 Allowed Not e Remote controller display during the operation stop 1 2 Centralized control ON is displayed always on the LCD under the Center Remote and Center modes during the operation stop Power ON This is not displayed under the Remote mode If this display is not shown under the Center Remote mode check if the indoor unit power switch is turned on or not f Hot start Cold draft pre
223. OFF and reset the power Note 10 PAC SM 137 Error code Remote controller E28 LED Green Red Indoor Keeps flashing Stays OFF Outdoor Keeps flashing Stays OFF Remote controller temperature thermistor anomaly 1 Applicable model 5 Troubleshooting All models 2 Error detection method Detection of anomalously low temperature resistance of remote controller temperature thermistor Thc 3 Condition of Error displayed When the temperature thermistor detects 50 C or lower for 5 seconds continuously the compressor stops After 3 minutes delay the compressor starts again automatically but if this error occurs again within 60 minutes after the initial detection 4 Presumable cause Faulty connection of remote controller temperature thermistor Defective remote controller temperature thermistor Defective remote controller PCB Resistance temperature characteristics of remote controller temperature thermistor ThC Temperature Resistance value 0 65 Diagnosis Countermeasure Is the remote controller temperature thermistor NO Correct connected properly YES Are the characteristics of ag control E NO Defective remote controller Is the thermistor wire temperature thermistor Replace YES Defective remote co
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225. RUN OFF CD Press button Select Press J SET SET COMPLETE will be indicated and the setting will be completed Then after No and function indication returns Set as the same procedure if you want to set continuously and if to finish go to 7 SET COMPLETE 7 Press ON OFF button Setting is finished Operation message Function description setting description Function No 2 fmm Fixing button Finishing button Starting button Previous screen button Indoor unit selection button On the occasion of indoor unit function selection DATA LOADING Blinking for 2 to 23 seconds to read the data L Indication is changed to 02 FAN SPEED SET Goto Note 1 If plural indoor units are connected to a remote controller the indication is I U 000 blinking The lowest number of the indoor unit connected is indicated 17000 2 Press Y button Select number of the indoor unit you to set If you select ALL UNIT Y you can set the same setting with all unites 3 Press J SET button Press A or button No and function are indicated by turns on table then you can select from them For example he indoor unit funct
226. S displayed KNEE TTRECTTZZIES E eo DATA LOADING Next the abnormal operation data of the indoor unit will be displayed p3 Bintang once Continuous blinking ost SW actions oy win FS ud The case that there is not history of abnormal operation t note ej Continous wo bon Run frc necne NO ERROR is displayed for 3 seconds and this mode is closed Indoor units 5 When plural indoor units is connected following is displayed Et GR Magence Conlnuouetinidng De case that there is history of abnormal operation e ae Error code and the smallest address number of indoor unit among all connected indoor unitis displayed oot ideal Example 8 ERROR CODE U000 blinking The case that there is not history of abnormal operation Only address number is displayed 6 Select the indoor unit number you would like to have data displayed with the A W button 7 Determine the indoor unit number with the GWI SET button Example 8 ERROR CODE 110000 The address of selected indoor unit is blinking for 2 seconds E8 DATA LOADING A blinking indication appears while data loaded Next the abnormal operation data is indicated If the indoor unit doing normal operation is selected NO ERROR is displayed for 3 seconds and address of indoor unit is displayed 8 B
227. T INVALID VEN LINK VENT LINK In case of Single split series by connecting ventilation device to CNT of the indoor printed circuit board in case of VRF series by connecting it to CND of the indoor printed circuit board the operation of ventilation device is linked with the operation of indoor unit In case of Single split series by connecting ventilation device to CNT of the indoor printed circuit board in case of VRF series by connecting it to of the indoor printed circuit board you can operate stop the ventilation device independently by VENT button TEMP RANGE SET If you change the range of set temperature the indication of set temperature will vary following the control f you change the range of set temperature the indication of set temperature will not vary following the control and keep the set temperature Airflow of fan becomes the three speed of Stu Stant or Stundi Stunt 2 anl 00 INDN CHANGE LU FAN Airflow of fan becomes the two speed of 3taut Airflow of fan becomes the two speed of Sumi Sui 1 FAN SPEED Airflow of fan is fixed at one speed If you change the remote controller function 14 POSITION you must change the indoor function 04 POSITION accordingly PUSITTIUN APOSITION STOP You can select the louver stop position in the four FREESTOP The
228. a 16102 1 Timer settings Notes 1 Auto restart function is set at on when the air conditioner is shipped from the factory Consult with your dealer if this function needs to be switched off 5 ene THE 2 When power failure occurs the timer setting is cancelled Once power is resumed reset the timer T IL 3 Ifthe jumper wire 7170 AUTO RESTART is cut auto restart is disabled See the diagram at right gt J gt v den C o5eepspe BT 2 gt c Auto swing conirol 1 Louver control a Press the LOUVER button to operate the swing louver when the air conditioner is operating AUTO is displayed for 3 seconds and then the swing louver moves up and down continuously b To fix the swing louver at a position press one time the LOUVER button while the swing louver is moving so that four stop positions are displayed one after another per second When a desired stop position is displayed press the LOUVER button again The display stops changes to show the STOP 1 for 5 seconds and then the swing louver stops 2 Automatic louver level setting during heating At the hot start with the heating thermostat OFF regardless whether the auto swing switch is operated or not auto swing or louver stop the louver takes the level position In order to prevent the cold start The louver position display
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230. age from joint and drain pan Check if the motor sound of drain pump is normal or not Do drain test even if installation of heating season For new building cases make sure to complete the test before F hanging the ceiling Pour water of about 1000cc into the drain pan in the indoor unit by pump so as not to get the electrical component wet 2 Make sure that water is drained out properly and there is no water leakage from any joints of the drain pipe at the test 3 Confirm that the water is properly drained out while the drain motor 4 Screw 1 piece For attaching a hook is operating At the drain socket transparent it is possible to 5 Screw 2pieces Forattaching a chain check if the water is drained out properly Unplug the drain plug on the indoor unit to remove remaining water Attach the panel on the indoor unit after electrical wiring work on the drain pan after the test and re plug it And insulate the drain Refer to attached manual for panel installation for details See next page pipe properly finally Drain plug Check list after installation O In case electrical wiring work finished Drain pump can be operated by remote controller wired For the operation method refer to Operation for drain pump in the installation manual for wiring work O In case electrical wiring work not finished Drain pump will run continuously when the dip switch SW7 1 on the indoor unit PCB is turned ON the Connector CNB is di
231. ajGujs e jo aseo uj 30 90 0 uj add ou jo puo 2660 88 810 popoauuoo pun 26606 98 1 youesg Guidid EA yun edid adid seg ALZ suoneoyioads pun ay uo paseg ayy juensund 225 jueJabujaj euiuuajeg e 9215 edid jo Z anea 10 aqn Hedes wos enjrej e Buisneo payeaso pazipixo suayew jo Ayquenb a e seb uaou MOM e sapun eq 153 10 PAC SM 137 9 04 ayy yeay 19404 10 OZ inbi se yoq suonipuoo 159 Sif uojoeJsjes smoys SIY 1591 payaa si 3 ede Duissajp e Aq ejqeo e YIM way desm pue w y yo Aew sdeB ou zey os edid e pue yeay ajpung sadid epis pinbi pue se uorejnsui yeay sadid pinbij pue seb yoq yeay 10 19409 sued yeay uy sjulof spun Joopur desm uoneiedo D
232. al Trapped air will generate noises pnt touching the water vx As wide as possible about100mm 7 T Insulation material Descending slope greater than 1 100 When sharing a drain pipe for more than one unit lay the main pipe 100mm below the drain outlet of the unit In J Hl addition select VP 30 or bigger size for main drain pipe VP 30 or bigger Descending slope greater than 1 100 4 Insulate the drain pipe Be sure to insulate the drain socket and rigid PVC pipe installed indoors otherwise it may cause dew condensation and water leakage After drainage test implementation cover the drain socket part with pipe cover small size then use the pipe cover big size to cover the pipe cover small size clamps and part of the drain hose and fix and wrap it with tapes to wrap and make joint part gapless Drain up The position for drain pipe outlet can be raised up to 600mm above the ceiling Use elbows for installation to avoid obstacles inside ceiling If the horizontal drain pipe is too long before vertical pipe the backflow of water will increase when the unit is stopped and it may cause overflow of water from the drain pan on the indoor unit In order to avoid overflow keep the horizontal pipe length and offset of the pipe within the limit shown in the figure be
233. al Snow protection fan control If the dip switch SW3 2 on the outdoor unit control PCB is turned ON the outdoor unit fan is operated for 30 seconds at 4 tap speed once in every 10 minutes depending on the outdoor air temperature detected with Tho A in the stop mode or anomalous stop mode Snow protection fan control OFF Snow protection fan control ON 3 5 Outdoor air temp 5 Defrosting a Defrosting start conditions If all of the following defrosting conditions A or conditions B are met the defrosting operation starts 1 Defrosting conditions a b Cumulative compressor operation time after the end of defrosting has elapsed 37 45 minutes and the cumulative compressor operation time after the start of heating operation remote controller ON has elapsed 30 minutes After 5 minutes from the compressor ON After 5 minutes from the start of outdoor unit fan After satisfying all above conditions if temperatures of the outdoor unit heat exchanger temperature thermistor Tho R1 R2 and the outdoor air temperature thermistor Tho A become lower than the defrosting start temperature as shown by the right figure for 15 seconds continuously or the suction gas saturation temperature SST and the outdoor air temperature Tho A which are obtained from the value detected by the low pressure sensor LPT stay for 3 minutes within the range below the defrosting operation start temperat
234. alve Check joint Heat exchanger Lower pressure sensor LPT Thermistor ThO R1 Accumlator Thermistor ThO R2 Outdoor unit lt Cooling cycle lt Heating cycle Check joint Thermistor Y ThO A W Gas line N Flare connecting Thermistor Heat exchanger ThI R3 Thermistor Return air ThI A Heat exchanger Thermistor Heat exchanger ThI R2 Thermistor Heat exchanger ThI R1 Flare connecting Ge 6 35 71 6952 Liquid line Diameter joint Liquid of different branch pipe 69 52 50 60 only Service valve Flare connecting High pressure switch Thermistor ThO S Thermistor ThO D 7X Check Discharge Compressor Suction Away valve Check joint Heat exchanger Lower pressure sensor LPT Thermistor ThO R1 ThO R2 Sub cooling coil i Service valve 6V1 T Flare connecting Strainer Strainer Diameter joint Liquid of different branch pipe Electronic Electronic p 9 52 5 expansion valve expansion valve cooling EEVC heating EEVH t Receiver E pun Gas branch pipe 50 60 12 7 xcc7 71 415 88 Indoor unit Outdoor uni
235. amp Power Indoor unit Indoor unit Indoor unit Indoor unit Indoor unit Indoor unit master slave slave 9 slave Ex Indoor units O F x 4 Only the unit Only the unit Te y y units in one units in one directly connected directly connected remote controller remote controller CnT 6 to the remote to the remote system can be system can be controller can be controller can be c operated stopped operation operated stopped opeartion Unit D only Unit D only Units D N Units D When more than one indoor unit Max 16 indoor units are connected in one wired remote controller system 1 With the factory default external input to CnT 6 is effective for only the unit D 2 When setting For all unit Local setting all units in one remote controller system can be controlled by external input to CnT 6 on the indoor unit 1 3 External input to CnT 6 on the other indoor unit than the unit 1 is not effective Fan control at heating startup Applicable model FDTC and FDT 1 Start conditions At the start of heating operation if the difference of setting temperature and return air temperature is 5 C or higher after the end of hot start control this control is performed 2 Contents of control a Sampling is made at each minute and when the indoor unit heat exchanger temperature detected with Thi R is 37 C or higher present number of revolutions of indoor uni
236. and i flasa whana carboni Bea har o frequently used se the genuine accessories and the specified parts for installation a Place where the substances which affect the air conditioner are generated Highly salted area such as beach M parts unspecified by cor company are used it could cause wate leakage electric shock fre and injury de to overturn of the ui Ventilate the working area well in case the refrigerant leaks during installation On vehicles and ships smoke from a chimney ithe refrigerant the fire toric gas is produced Places where machinery which generates high harmonics is used Altitude over 1000m insta the urit in a location that can hoki heavy weight Do not install the indoor unit in the locations listed below Be sure to install the indoor unit Improper instalation may cause the unit to fall lading to accidents according to the installation manual for each model because each indoor unit has each limitation Locations with any obstacles which can prevent inlet and outlet air of the unit install the unit properly in order to be able to withstand strong winds such as typhoons and earthquakes S Improper installation may cause the unit to fall leading to accidents Locations where vibration can be amplified due to insufficient strength of structure Locations where the infrared receiver is exposed to the direct sunlight or the strong fight beam in case of
237. and activates the anomalous stop E34 1 second later Fan motor error 1 If the fan speed of 100rpm or under is detected for 30 second continuously under the outdoor unit fan control with the operation command of fan tap at speed or higher the compressor stops 2 When the fan motor speed drops to 100rpm or under 5 times within 60 minutes and the compressor stops it enters the anomalous stop mode with E48 displayed on the remote controller Anomalous stop by the compressor start stop 1 When it fails to shift to the compressor DC motor s rotor position defection operation at 5 seconds after establishing the compressor start condition the compressor stops temporarily and restarts 3 minutes later 2 fit fails to shift to the position detection operation again at second time it judges the anomalous compressor start and stops the compressor by the anomalous stop E59 7 8 9 10 PAC SM 137 Silent mode a As Silent mode start signal is received from the remote controller it operates by dropping the outdoor unit fan tap and the compressor speed frequency b For details refer to items 1 and 4 above Test run Itis possible to operate from the outdoor unit using the dip switch on the outdoor unit control PCB SW3 4 OFF Cooling test run md ON SW5 4 ON Heating test run SW5 3 OFF Normal and end of test run Make sure to turn SW3 3 SW5 3 to OFF after the end of operation
238. and check that the voltage is discharged sufficiently Refer to Fig 1 b Take off the connection of inverter PCB terminal block connector and remove the screw of power transistor then remove the PCB Wipe off the silicon grease neatly on the controller s radiation heat fins c Match the setting switches JSW10 11 of new PCB with the former PCB d Before installing the power transistor on the new PCB Apply uniformly a bundled of silicon grease first on the surface of power transistor Make sure it is applied to prevent damage on power transistor e Tighten the screw of power transistor on inverter PCB and connect the terminal block Confirm the connection and don t use soldering in the connection Tighten properly the power transistor with a screw and make sure there is no slack Power transistor can be damage if not properly tighten Recommended power transistor tightening torque 0 98 1 47N m Terminal block Parts No Terminal block TBI TB10 4 6 Connector C 65 151 1 1 us CND PCASoSA126 Tu S TB6 ETP ree RE Ma D m TBS 5 28 dad al CNI4 CN 5 mir j Switch TB7 lolol lel a JSWIH JSW10 Parts arrangement view Fig 1 Position of capacitor Table 1 Switch setting 1 OFF 1 OFF 2 OFF 2 OFF WI WII TON 3 OFF e 3 ON 4 OFF 4 ON 10 PAC SM 137 3 Model FDC100VSX 125VSX 140VSX
239. and giving torque to the nut with another spanner in order to avoid unexpected stress to the copper pipe and then remove them When fastening the flare nut align the refrigeration pipe with the center of flare nut screw the nut for 3 4 times by hand and then tighten it by spanner with the specified torque mentioned in the table below Make sure to hold the pipe on the indoor unit securely by a spanner when tightening the nut in order to avoid unexpected stress on the copper pipe Cover the flare connection part of the indoor unit with attached insulation material after a gas leakage inspection and tighten both ends with attached straps Make sure to insulate both gas pipes and liquid pipes completely gt Incomplete insulation may cause dew condensation or water dropping Refrigerant is charged in the outdoor unit As for the additional refrigerant charge for the indoor unit and piping refer to the installation manual attached to the outdoor unit Pipe diameter Tightening torque N m Pipe cover Accessory SSS ja 44427772 The thickness of insulation should be 20mm or more Umm S j iow __ DDrain pipe Install the drain pipe according to the installation manual in order to drain properly Imperfection in draining may cause flood indoors and wetting the household goods etc Do not put the drain pipe directly into the ditch where toxic gas such as sulfu
240. and within the limitation of wind volume When the building is a concrete structure especially imme diately after the construction humidity tends to rise even if the space over the ceiling is not substituted in place of a duct In such occasion it is necessary to insulate the entire unit with glass wool 25mm Use a wire net or equivalent to hold the glass wool in place b It may run out the allowable limit of unit operation Example When outdoor air temperature is 35 C DB suction air temperature is 27 C WB and it could result in such troubles as compressor overload etc C There is a possibility that the blow air volume may exceed the allowable range of operation to the capacity of ventilation fan or strength of wind blowing against external air louver 0 that drainage from be heat exchanger may fall to reach the drain pan but leak outside Example drip on to the ceiling with consequential water leakage in the room QJIf vibration damping is not conducted between the unit and the duct and between the unit and the slab vibration will be transmitted to the duct and vibration noise may occur Also vibration may be transmitted from the unit to the slab Vibration damping must be performed A specific cover plate is available when changing the 4 spot to the 3 spot or when changing the 3 spot to the 2 spot tc Side fresh air intake hole O Note Do not change from 2 spot to 1 spot o N an air intake through the
241. ar cover 7 Drain pipe The drain pipes may face out towards the back to the left or to the right side Install the drain pipe according to the installation manual in order to drain properly Imperfection in draining may cause flood indoors and wetting the household goods etc Do not put drain pipe directly into the ditch where toxic gas such as sulfur the other harmful andinflammable gas is generated Toxic gas would flow into the room and it would cause serious damage to user s health and safety some poisoning or deficiency of oxygen In addition it may cause corrosion of heat exchanger and bad smell Connect the pipe securely to avoid water leakage from the joint Insulate the pipe properly to avoid condensation drop Check if the water can flow out properly from both the drain outlet on the indoor unit and the end of the drain pipe after installation Make sure to make descending slope of greater than 1 100 and do not make up down bend and or trap in the midway In addition do not put air vent on the drain pipe Check if water is drained out properly from the pipe during commissioning Also keep sufficient space for inspection and maintenance Work procedure 1 Insert drain hose completely to the base and tighten the drain hose clamp securely adhesive must not be used 3 When plumbing on the left side move the rubber plug and the cylindrical insulating materials by the pipe connecting hole on the
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243. ble gas could cause fire After completing the installation do commissioning to confirm there are no abnormalities and explain to the Secure a space for installation inspection and maintenance specified in the manual customers about SAFETY PRECAUTIONS correct operation method and maintenance method air fitter Cleaning operation method and temperature setting method with user s manual of this unit over the user s manual to the new user when the owner is changed Indoor unit not waterproof It could cause electric shock and fire Do not use the indoor unit for a special purpose such as food storage cooling for precision S instrument preservation of animals plants and a work of art ZNWARNING It could cause the damage of the items Do not install nor use the system near equipments which generate electromagnetic wave or high harmonics installation should be performed by the specialist Equipments like inverter equipment private power generator high frequency medical equipment or telecommunication W you install the unit by yourself it may lead to serious trouble such as water leakage electric shock fire and injury due to overturn equipment might influence the air conditioner and cause malfunction and breakdown Or the air conditioner might of he unit influence medical equipments or telecommunication equipments and obstruct their medical activity or cause jamming install the system correctly according to these instal
244. ce sometimes affects the infrared receiver for the wireless remote controller and the air conditioner might not work properly 2 if the place where the air conditioner is installed can hold the weight of the unit If it is not able to hold reinforce the structure with boards and beams strong enough to hold it If the Strength is not enough it could cause injury due to unit falling Space for installation and service Make installation altitude over 2 5m Indoor Unit UNIT mm Multi type 22 56 71 90 112 140 installation Space are gent 8 Single type 50 60 71 100 140 TA 1100 1300 1720 g 3 Preparation before installation if suspension bolt becomes longer do reinforcement of earthquake resistant OFor grid ceiling When the suspension bolt length is over 500mm or the gap between the ceiling and roof is over 700mm apply earthquake resistant brace to the bolt Oln case the unit is hanged directly from the slab and is installed on the ceiling plane which has enough strength When suspension bolt length is over 1000mm apply the earthquake resistant brace to the bolt Prepare four 4 sets of suspension bolt nut and spring washer M10 on site Suspension Bolt Location A Suspension bolt M10 S O Adhere to the measurements given below for the length of the suspension bolts p UNIT mm Multi type 22 56 71 90 112 140 Single type
245. ch setting b During the hot keep the louver horizontal control signal is transmitted Ending condition When the indoor fan is at the lower tap at each setting it returns to the set airflow volume as the indoor heat exchanger temperature rises to 45 C or higher Fan control during the heating thermostat OFF When the heating thermostat is turned OFF the setting of the fan control is selectable using the indoor function of wired remote controller XX FAN CONTROL 1 Low fan speed Factory default If the indoor heat exchanger temperature drops below 35 C with the heating thermostat OFF the indoor fan operate at the lower speed tap at each setting 2 Set fan speed Even if the indoor heat exchanger temperature drops below 35 C with the heating thermostat OFF the indoor fan continues to run at the set airflow volume 3 Intermittence If the indoor heat exchanger temperature drops below 35 C with the heating thermostat OFF the indoor fan operates at the lower speed tap at each setting and when the indoor heater exchanger temperature drops below 25 the indoor fan stops for 5 minutes Then the fan runs at the low speed tap for 2 minutes and the judgment is made by the thermostat 4 Fan OFF If the indoor heat exchanger temperature drops below 35 C with the heating thermostat OFF the indoor fan is turned OFF The same applies also when the remote controller sensor is effective Filter sign As the operation time Total ON time of
246. clusive circuit Use specified cord fasten the wiring to the terminal securely and hold the cord securely in order not to apply unexpected stress on the terminal Do not put both power source line and signal line on the same route It may cause miscommunication and malfunction Be sure to do D type earth work For the details of electrical wiring work see attached instruction manual for electrical wiring work Remove a lid of the control box 1 screws Hold each wiring inside the unit and fasten them to terminal block securely Fix the wiring with clamp Install a lid of the control box back to original place Single split PAC series Power source side terminal block Wiring between indoor and outdoor unit se Remote controller line Wiring clamp Power source side terminal block Indoor power source line a Signal line shielded cord N Remote controller line Wiring clamp Earth signal line Signal side terminal block 119 PANEL INSTALLATION MANUAL Please read this manual together with the indoor unit s installation manual A WARNING to apply unexpected stress on the te
247. contact smoke and fire Do not turn off the power source immediately after stopping the operation Be sure to wait for more than 5 minutes Otherwise it could cause water leakage or breakdown Do not control the operation with the circuit breaker It could cause fire or water leakage In addition the fan may start operation unexpectedly and it may cause injury 10 PAC SM 137 PSBO12D966 CDElectrical Wiring Connection Use three core cable as wiring between indoor and outdoor unit As for detail refer to INSTAL LATION MANUAL of outdoor Unit Q Set earth of D type keep remote controller line and power source line away from each other on constructing of unit outside Run the lines power source remote controller and between indoor and outdoor unit upper ceiling through iron pipe or other tube protection to avoid the damage by mouse and so on Do not add cord in the middle of route of power source remote controller and between indoor and outdoor unit on outside of unit If connecting point is flooded it could cause problem as for electric or communication In the case that it is necessary to set connecting point on the way perform thorough waterproof measurement Do not connect the power source line 220V 240V 380V 415V to signal side terminal block Otherwise it could cause failure Screw the line to terminal block without any looseness certainly Do not turn on the switch o
248. continuously only when CPU is anomalous It keeps flashing in any trouble other than anomalous CPU 2 mark in the Description of trouble means that in ordinary diagnosis it cannot identify the cause definitely and if the trouble is repaired by replacing the part it is judged consequently that the replaced part was defective 10 PAC SM 137 ii Outdoor unit Remote controller Indoor control PCB Outdoor control PCB Outdoor inventer PCB Reference Green Green Yellow Location of trouble Description of trouble Repair method Error code Red LED Red LED Red LED age LED 1 LED 1 LED pag Power supply wires phos bs inm L3 phase interruption defective noise filter Repair E j u Stays OFF fasting 1 time flash flashing D EEE 7 81 cuit Outdoor control PCB phase model only Defective power supply input circuit Replacement of PCB Installation Or operating y igher outdoor heat exchanger temperature Repair condition Keeps 3 Keeps Outdoor heat exchanger eplacement of Stays OFF P 1 time flash ng P F 82 E J5 flashing flashing temperature thermistor efective outdoor heat exchanger temperature thermistor Outdoor control PCB defective outdoor control PCB Defective temperature thermistor input Replace
249. cs of indoor heat exchanger and or return air NO Defective indoor heat temperature thermistor OK YES Is the low pressure during operation normal NO YES Indoor heat exchanger return air temperature thermistor Temperature resistance characteristics Broken wire 15 5kQ at 25 Temperature thermistor resistance Shot circuit 0 10 20 30 40 50 Temperature exchanger return air temperature thermistor gt Replace Charge refrigerant Defective indoor control PCB Replace Defective indoor heat exchanger return air temperature thermistor input circuits Note Insufficient refrigerant amount preventive control makes compressor stopped if it judges insufficient refrigerant amount by detecting the temperature difference between indoor heat exchanger ThI R and return air temperature ThI A for 1 minute after compressor ON in cooling or dehumidifying mode and for 9 minutes after compressor ON in heating mode in cooling mode ThI A ThI R gt 4degC in heating mode ThI R ThI A lt 4degC 99 10 PAC SM 137 Content Compressor startup failure LED Green Red Error code Indoor control PCB Keeps flashing Stays OFF Remote controller E59 o oor control Keeps flashing 1 time flash Outdoor Yellow LED E Stay
250. ction duct x i Blow x marketed item iarketed Blowout duc lnspection hole with air filter optional or marketed item Bad example of duct work If a duct is not provided at the suction side but it is substituted with the space over the ceiling humidity in the space will increase by the influence of capacity of ventilation fan strength of wind blowing against the out door air louver weather rainy day and others a Moisture in air is likely to condense over the external plates of the unit and to drip on the ceiling Unit should be operated under the conditions as listed in the above table and within the limitation of wind volume When the building is a concrete structure especially immedi ately after the construction humidity tends to rise even if the space over the ceiling is not substituted in place of a duct In such occasion it is necessary to insulate the entire unit with glass wool 25mm Use a wire net or equivalent to hold the glass wool in place b It may run out the allowable limit of unit operation Example When outdoor air temperature is 35 C DB suction air temperature is 27 C WB and it could result in such troubles as compressor overload etc c There is a possibility that the blow air volume may exceed the allowable range of operation due to the capacity of ventilation fan or strength of wind blowing against external air louver so that drainage from be heat exchanger may fall to
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253. de and outside of the pipe and no harmful substances such as sulfur oxide dust or a contaminant stuck on the pipes Do not use any refrigerant other than R410A Using other refrigerant except R410A R22 etc may degrade inside refrigeration oil And air getting into refrigeration circuit may cause over pressure and resultant it may result in bursting etc QM Store the copper pipes indoors and seal the both end of them until they are brazed in order to avoid any dust dirt or water getting into pipe Otherwise it will cause degradation of refrigeration oil and compressor breakdown etc Use special tools for R410 refrigerant Work procedure 1 Remove the flare nut and blind flanges on the pipe of the indoor unit Make sure to loosen the flare nut with holding the nut on pipe side with a spanner and giving torque to the nut with another spanner in order to avoid unexpected stress to the copper pipe and then remove them Gas may come out at this time but it is not abnormal Pay attention whether the flare nut pops out as the indoor unit is sometimes pressured Make a flare on liquid pipe and gas pipe and connect the refrigeration pipes on the indoor unit Bend the pipe with as big radius as possible and do not bend the pipe repeatedly In addition do not twist and crush the pipes 00 a flare connection as follows Make sure to loosen the flare nut with holding the nut on pipe side with a spanner and giving torque
254. door control Keeps flashing Stays OFF Remote controller E41 Outdoor control PCB Keeps flashing 1 time flash Power transistor overheat Yellow LED Single phase model only PCB 6 times flash or 2 times flash 1 Applicable model 5 Troubleshooting Single phase model only Diagnosis Countermeasure 2 Error detection method Anomalous rise of the internal power transistor temperature 3 Condition of Error displayed When anomalous rise of the internal power transistor temperature is detected 5 times within 1 hour 4 Presumable cause Defective inverter PCB Defective outdoor fan motor Improperly fixed power transistor radiator fin e Delective power transistor temperature thermistor Inadequate installation space YES Connect Is it OK the fixing power transistor radiator fin Fixed screw NO Applicati silicone YES Does it recur NO Characteristics of power transistor temperature thermistor Broken wire 200 180 the error for about 10 minute after the compressor stopped installation space of outdoor characteristics of power ne temperature Is it possible to Defective inverter PCB YES Is it reset YES NO4 YES gt NO _ gt PCB Replace the fan motor or outdoor control
255. door power source line Earth Wiring clamp 9 Attaching the air return grille 10 e PAC SM 137 1 How to set the airflow direction It is possible to change the movable range of the louver on the air outlet from the wired remote controller Once the top and bottom position is set the louver will swing within the range between the top and the bottom when swing operation is chosen It is also possible to apply different setting to each louver 1 e The air return grille must be attached when electrical cabling work is completed 1 Fix the chains tied to the air return grille onto the indoor unit with screws supplied as accessories 4 pieces 2 Close the air return grille This completes the unit installtion work list after installation Check the following items after all installation work completed Check if Expected rouble Check Supply voltage is same as mentioned in the model name plate PCB burnt out not working at all There is mis wiring or mis connection of piping PCB cut not working at all Earth wiring is connected properly Electric shock Cable size comply with specified size PCB bumt out not working at all Any obstacle blocks airflow on air inlet and outlet Insufficient capacity Stop the air conditioner and press SED SET button and LOUVER button simultaneously for three seconds or more The following is displayed if the number of the indoor units
256. door unit 1 Control PCB Model FDC71VNX Snowpotion onbl 5 4 3 Bed OFF sw4 4 Spe __ ______ OFF Model seleion Model seleton 3 phaseSingle phase Model seleton swa See __ __ ______ Validiialid Valid Po FF Ele Lo FF f Models FDC100 125 140VNX 100 125 140VSX Normal Pump down OFF Nomad J 5 SWI 1 See table 1 Model selection As per model SWI 4 SW3 1 Defrost condition Normal Coeldregon OFF Normal J SW3 2 Snowprotectioncontrol Normal Snow protection OFF Norma SW3 3 TesrunSW Normal Testrun OFF Normal J SW3 4 Testrunmode Coolingf Heating ________ Cooling 3 phase Single phase SWA3 Reserved OFF Keep OFF Isw4 4 Reserved OFF Keep OFF __ SWs ___ OFF Keep OFF __ SWs2 Reserved OFF Keep OFF __ Isws 3 Reserved Jj OFF SW5 4 Reseved 1 1 doo Keep OFF 5 Antifrostcontol Valid Invalid With Valid J 7 Outdoor fan control when ducting Normal Hitap With Norma Default setting Table 1 Outdoor unit model selection with JSW1 1 JSW1 4 and SW4 1 SW4 2 0 OFF 3 phase OFF Single phase ON 2 Inverter PCB Single phase model 10 PAC SM 137
257. e Tho R exceeds the setting value the compressor speed frequency is controlled to suppress the rise of high pressure b Control value A is updated to an optimum value automatically according to the operating conditions Reduces compressor speed at each minute Control value A Reset 54 60 C Outdoor unit heat exchanger temp C 2 Anomalous stop control a As the outdoor unit heat exchanger temperature Tho R exceeds the setting value the compressor stops b If it is detected 5 times within 60 minutes or 65 C or higher continues for 60 minutes including the stop of compressor E35 is displayed on the remote controller and it enters the anomalous stop mode Compressor stop Compressor operation 5 6 Outdoor unit heat exchanger temp 3 Reset of anomalous stop mode As it reaches the reset value of 51 C or lower it becomes possible to restart from the remote controller 10 PAC SM 137 c Heating high pressure protection 1 2 3 Protective control a As the indoor unit heat exchanger temperature exceeds the setting value the compressor speed frequency is controlled to suppress the rise of high pressure b Control value A is updated to an optimum value automatically according to the operating conditions Reduces compressor fequency Existing piping adaptation switch SW5 1 SW8 1 model 80 at every 30 seconds OFF Shipping ON Reset Control value Indoor u
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259. e are as shown on the right Never do it under any circumstances O 9 Aways do it according to the instruction Accord with following items Otherwise there will be the risks of electric shock and fire caused by overheating or short circuit Be sure to have the electrical wiring work done by qualified electrical installer and use exclusive circuit Power source with insufficient capacity and improper work can cause electric shock and fire Use specified wire for electrical wiring fasten the wiring to the terminal securely and hold the cable securely in order not to apply unexpected stress on the terminal Loose connections or hold could result in abnormal heat generation or fire Arrange the electrical wires in the control box properly to prevent them from rising Fit the lid of the services panel property Improper fitting may cause abnormal heat and fire Use the genuine optional parts And installation should be performed by specialist If you install the unit by yourself it could cause water leakage electric shock and fire Do not repair by yourself And consult with the dealer about repair Improper repair may cause water leakage electric shock or fire Consult the dealer or a specialist about removal of the air conditioner Improper installation may cause water leakage electric shock or fire O Tum off the power source during servicing or inspection work If the power is supplied during servicing
260. e is done Insufficient capacity Insulation work is properly done Water leakage Water is drained properly Water leakage Supply voltage is same as mentioned in the model name plate PCB burnt out not working at all There is mis wiring or mis connection of piping PCB burnt out not working at all Earth wiring is connected property Electric shock Cable size comply with specified size PCB burnt out not working at all Any obstacle blocks airflow on air inlet and outlet Insufficient capacity How to check the dirt of drain pan Maintenance The method of checking the dirt of drain pan Qt is possible to check the dirt for inlet of drain pan without detaching the panel Inspection is not possible when the high efficient filter and option spacer is installed 1 Open the air return grille and remove the panel corner cover on drain pan side 2 Remove the cover of inspection window 1screw 3 Check the drain pan from the inspection window If the drain pan is very dirty remove the drain pan and clean it After checking of the dirty of drain pan restore the cover of the inspection window securely Improper restoration of the cover may cause dew condensation and water leakage Panel Corner cover r Available checking part for inlet of drain pan The fixing components have been attached the with drain pan Pay attention to these components during installatio
261. e one that disconnect all SAFETY PRECAUTIONS ee erae Read the SAFETY PRECAUTIONS carefully first of all and then strictly follow it during the installation work Using the incorrect one could cause the system failure and fire in order to protect yourself Do not use any materials other than a fuse of correct capacity where fuse should be used The precautionary items mentioned below are distinguished into two levels Z WARNING and CAUTION Connecting the circuit by wire or copper wire could cause unit failure and fire ASWARNING Wrong installation would cause serious consequences such as injuries or death Do not install the indoor unit near the location where there is possibility of flammable gas leakages VANCAUTION Wrong installation might cause serious consequences depending on circumstances If the gas leaks and gathers around the unit it could cause fire Both mentions the important items to protect your health and safety so strictly follow them by any means Do not install and use the unit where corrosive gas such as sulfurous acid gas etc or flammable gas such Q The meanings of Marks used here are as shown on the right as thinner petroleum elc may be generated or accumulated or volatile flammable substances are rand S GT Never do it under any circumstances 89 Always do it according to the instruction It could cause the corrosion of heat exchanger breakage of plastic parts ete And inflamma
262. e the stoppers on the grille 2 places are kept pressed to OPEN direction When the grille comes to the original position release the stoppers to hold the grille Make sure to hear the sound of CLICK in both stoppers Position for hanging hinges Attaching the air return grille trom the hinge side Be careful in air retum grille attaching unstable attaching may cause grille falling Repair or replace the distorted broken stopper at once or the grille taling may occur 127 3 Ceiling suspended type FDEN This manual is for the installation of an indoor unit For electrical wiring work Indoor refer to the electrical wiring work installation manual For remote controller installation refer to the installation manual attached to a remote controller For wireless kit installation refer to the installation manual attached to a wireless kit For electrical wiring work Outdoor and refrigerant pipe work installation for outdoor unit refer to the installation manual attached to an outdoor unit SAFETY PRECAUTIONS Read the SAFETY PRECAUTIONS carefully first of all and then strictly follow it during the installation work in order to protect yourself The precautionary items mentioned below are distinguished into two levels WARNING and WARNING Wrong installation would cause serious consequences such as injuries or death CAUTION Wrong installation might cause serious consequences depending on
263. e thermistor detects 45 C or lower for 5 seconds continuously within 2 minutes to 2 minutes 20 seconds after the compressor ON the compressor stops After 3 minutes delay the compressor starts again automatically but if this anomalous temperature 15 detected 3 times within 40 minutes When 45 C or lower is detected for 5 seconds continuously within 20 second after compressor ON 4 Presumable cause Defective outdoor control PCB Broken thermistor harness or temperature sensing section Check molding Disconnected wire connection connector Is the outdoor air temperature thermistor connector connected properly NO For the characteristics of outdoor air temperature thermistor see the following graph he outdoor air temperature NO gt thermistor OK YES gt Temperature resistance characteristics Broken wire 35 30 Temperature thermistor resistance kQ Nn Shot circuit 0 0 20 30 40 50 Temperature C Correct connector Defective outdoor air temperature thermistor Replace Defective outdoor control PCB Replace Defective outdoor air temperature thermistor input circuit Note 10 PAC SM 137 Error code Remote controller E39 LED Green Red Indoor Keeps flashing Stays OFF Content 5 comen Discharge pipe Outdoor
264. e thermistor and low pressure sensor 1 Outdoor unit heat exchanger thermistor outdoor air thermistor and low pressure sensor If the following is detected for 5 second continuously within 2 minutes to 2 minutes and 20 seconds after the compressor ON the compressor stops After a delay of 3 minutes it restarts but if the same is detected repeatedly 3 times within 40 minutes the compressor stops with the anomalous stop Note 1 During defrosting and for 3 minutes after the end of defrosting it is not detected Outdoor unit heat exchanger thermistor 50 C or lower Outdoor air temperature thermistor 45 or lower Low pressure sensor or under or 4 0V or over 2 Discharge pipe temperature thermistor suction pipe temperature thermistor If the following is detected for 5 second continuously within 10 minutes to 10 minutes and 20 seconds after the compressor ON the compressor stops After a delay of 3 minutes it restarts but if the same is detected repeatedly 3 times within 40 minutes the compressor stops with the anomalous stop Note 1 During defrosting and for 3 minutes after the end of defrosting it is not detected Discharge pipe temperature thermistor 10 C or lower Suction pipe temperature thermistor 50 or lower Open phase protection 3 phase models only When 15 detected on any of L1 L2 L3 phase for 5 seconds continuously after the power ON it judges the state of open phase on the power supply
265. e unless the remote mode is available is displayed Inspection display Any of unit that starts initially is displayed Confirmation of connected units Pressing AIR CON No button on the remote controller displays the indoor unit address If A W button is pressed at the next it is displayed orderly starting from the unit of youngest No 10 PAC SM 137 d Incase of anomaly i Ifany anomaly occurs on a unit in a group a protective function operates that unit stops with the anomalous stop but any other normal units continue to run as they are i Signal wiring procedure Signal wiring between indoor and outdoor units should be made on each unit same as the normal wiring For the group control lay connect with sires wiring between rooms using terminal blocks X Y of interface kit Connect the remote controller communication wire separately from the power supply wire or wires of other electric devices AC220V or higher Filter sign As the operation time Total ON time of ON OFF switch accumulates to 180 hours 1 Filter cleaning is displayed on the remote controller This is displayed when the unit is in trouble and under the centralized control regardless of ON OFF Note 1 Time setting for the filter sign can be made as shown below using the indoor function of wired remote controller FILTER SIGN SET It is set at 1 at the shipping from factory Fiter sign setting Fumon Setting 1 Sett
266. eat devices High humidity places Hot surface or cold surface enough to generate condensation Places exposed to oil mist or steam directly amp Uneven surface Installation and wiring of remote controller CDInstall remote controller referring to the attached installation manual Wiring of remote controller should use 0 3mm x core wires or cables The insulation thickness is 1mm or more on site configuration Maximum prolongation of remote control wiring is 600 m If the prolongation is over 100m change to the size below But wiring in the remote controller case should be under 0 5mm Change the wire size outside of the case according to wire connecting Waterproof treatment is necessary at the wire connecting section Be careful about contact failure 100 200m 0 5mm x 2 cores Under 300m 0 75mm x 2 cores Under 400m 1 25mm x 2 cores Under 600m 2 0MM x 2 cores Avoid using multi core cables to prevent malfunction amp Keep remote controller line away from earth frame or any metal of building amp Make sure to connect remote controller line to the remote controller and terminal block of indoor unit No polarity Control plural indoor units by a single remote controller remote controller can control plural indoor units Up to 16 In above setting all plural indoor units will operate under same mode and temperature setting Connect all indoor units with 2 core remote
267. ection of indoor fan speed refer to item 2 Cooling operation Fan operation 1 0 10 Indoor heat exchanger temperature C Selection of indoor fan speed If it enters the frost prevention control during cooling operation excluding dehumidifying the indoor unit fan speed is switched a Incases of FDUM FDU and FDEN i When the indoor unit return air temperature detected with Thi A is 23 C or lower this control is invalidated and as 2 hours elapse after starting the frost prevention control it is terminated ii Ifitis detected again within 15 minutes from the start of frost prevention control the indoor fan speed is raised by 1 tap to increase the indoor unit fan speed If it is detected within further 15 minutes the indoor unit fan speed is raised by 1 tap more Note 1 Indoor unit fan speed can be increased by up to 2 taps iii SPEED SW VALID INVALID of this control is selectable with the function setting of remote controller b Inthe case of FDT and FDTC i When the indoor return air detection temperature detected with Thi A is 23 C or higher and the indoor heat exchanger temperature detected with Thi R detects the compressor frequency drop start temperature 1 of indoor unit fan speed is increased by 20rpm ii Ifthe phenomenon of i above is detected again after the acceleration of indoor unit fan indoor unit fan speed is increased further by 20rpm Note 1 Indoor unit fan speed can be
268. ectly into the ditch where toxic gas such as sulfur the other harmful and inflammable gas is generated Toxic gas would flow into the room and it would cause serious damage to user s health and safety some poisoning or deficiency of oxygen In addition it may cause corrosion of heat exchanger and bad smell Connect the pipe securely to avoid water leakage from the joint nsulate the pipe properly to avoid condensation drop Check if the water can flow out properly from both the drain outlet on the indoor unit and the end of he drain pipe after installation Make sure to make descending slope of greater than 1 100 and do not make up down bend and or rap in the midway In addition do not put air vent on the drain pipe Check if water is drained out properly from the pipe during commissioning Also keep sufficient space for inspection and maintenance 10 PAC SM 137 Drain pipe continued Work procedure 1 Make sure to insert the drain hose the end mode of soft PVC to the end of the step part of drain socket Attach the hose clamp to the drain hose around 10mm from the end and fasten the screw within 5mm left to the nut Do not apply adhesives on this end po erb dint f or For insulon Pa on site The step part Drain hose y a UE ry 24 on site aso on y Ro vern For insution Bo on site F or insution
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271. ensity exceeds the density please consult the dealer and instalate the ventilation system e RE MEN Use the genuine accessories and the specified parts for installation Place where substances which affect the air conditioner are generated gt Highly salted area such as beach Vi Such as sulfide gas chloride gas acid alkali or ammonic atmospheres Heavy snow area If parts enspecitied by our company are used it could cause water leakage electric shock fire and injury due to overturn of the unit Places exposed to ol mist or steam i Places where the system is by Ventilate the working area well in case the refrigerant leaks during installation On vehicles and ships smoke from a chimney If the refrigerant contacts the fire toxic gas is produced Places where machinery which generates high harmonics is used Altitude over 1000m Do not install the indoor unit in the locations listed below Be sure to install the indoor unit install the unit in a location that can hold heavy weight according to the installation manual for each model because each indoor unit has each limitation Improper instalation may cause the unit to fall leading to accidents Locations with any obstacles which can prevent inlet and outlet air of the unit install the unit properly in order to be able to withstand strong winds such as typhoons and earthquakes Locations whee vibration con be amplified due insuffici
272. ent siroagih of siuciure Inprperisloon may uiti eating D Lec un Ba hiara qur pn ia is or o UM naci fo 900 not mix air in to the cooling cycle on installation removal of the air conditioner Locations where an equipment affected by high harmonics is placed TV set or radio receiver is placed within Sm If air is mixed in the pressure in the cooling cycle will rise abnormally and may cause explosion and injuries Be sure to have the electrical wiring work done by qualified electrical installer and use exclusive circuit Do not put any valuables which will break down getting wet under the air conditioner Power source with insufficient capacity and improper work can cause electric shock and Condensation could drop when the relative humidity is higher than 80 or drain pipe is logged and it damages user s belongings Quse specified wire for electrical wiring fasten the wiring to the terminal securely and hold the cable securely in Do not use the base frame for the outdoor unit which is corroded or damaged after a long period of use order not to apply unexpected stress on the terminal It could cause the unit falling down and injury Loose connectioes or hold could result abnormal heat generation or fire Pay attention not to damage the drain pan by weld sputter when brazing work is done near the unit Arrange the electrical wires in the control box properly to prevent them
273. er trouble 1 could occur Therefore when fuse is blown check whether the fan motor is OK or not After confirming the fan motor normal check by power ON Don t power ON without confirming the fan motor normal The error which does not seem to relate E48 may occur like as fh WAIT ff Stay OFF of LED on outdoor control PCB inverter communication error E45 and etc 93 10 PAC SM 137 Error code Remote controller E49 LED Green Red Indoor Keeps flashing Stays OFF Low pressure error or Outdoor fasting time ftsh low pressure sensor anomaly 1 2 1 Applicable model 5 Troubleshooting All models 2 Error detection method Detected by low pressure drop and suction superheat 3 Condition of Error displayed D When the low pressure sensor detects 0 079MPa or lower for 15 seconds continuously compressor stops and it restarts automatically after 3 minutes delay And if this anomaly occurs 3 times within 60 minutes 10 minutes after the compressor starts if the low pressure sensor detects 0 15MPa or lower for 60 minutes continuously and compressor suction superheat is detected 30degC or higher Diagnosis Countermeasure Is the low pressure sensor connection OK NO 9 Correct at PCB side YES Y Check the low pressure value during following state from the remote controlle
274. er the indoor unit fan is operated at the low speed tap of each setting Fan tap FAN SPEED SET 5 0 10 PAC SM 137 Abnormal temperature thermistor return air indoor heat exchanger wire short circuit detection 1 2 Broken wire detection When the return air temperature thermistor detects 50 C or lower or the heat exchanger temperature thermistor detect 50 C or lower for 5 seconds continuously the compressor stops After 3 minute delay the compressor restarts but if it is detected again within 60 minutes after the initial detection for 6 minutes continuously stops again the return air temperature thermistor E7 the heat exchanger temperature thermistor E6 Short circuit detection If the heat exchanger temperature thermistor detects 70 C or higher for 5 seconds continuously at 2 minutes and 20 seconds after the compressor ON during cooling operation the compressor stops E6 Operation permission prohibition In case of adopting card key switches or commercially available timers When the indoor function setting of wired remote controller for Operation permission prohibition is changed from Invalid Factory default to Valid following control becomes effective 1 Optional P QRD 4 zd 12V XRS e switch 1 XR5 Normal operation Operation permission prohibition mode Valid Local eR cud
275. er is set EXAMPLE 000 LAR TAS e 3 Pross 1200 SET button determination of indoor unit Selected indoor unit is EXAMPLE U00 idsclayed tor two seconds DATA LOO a A For type in case the louver No to be set is uncertain set any louver temporarily The kouver wil swing once when the wetting i completed and it possible to confirm the louver No and the position After that choose the correct louver No and set the top and bottom poston 4 Press or Y button selection of louver No Select the louver to be set according to the right figure EXAMPLE Ah OMA 5 Pross SET button Determination of louver No The louver No to be e t is confirmed and the daplay shows the upper Emit of the movable range EXAMPLE If No 1 louvor is solected Ke 2 9 current upper limit position 6 Pross A Y button selection of upper limit position Select the upper iit of louver movable range position is the most horizontal aed position 6 is the most dowmward position is to retum to the factory setting you need to change the setting to the default setting use position Ho UPFERI 1 UPPER UPPERS UPPERS UPPERS UPPERS lt gt Ha 11 return to the setting Press MD SET button Fixing of the upper limit position The upper l
276. eration will start Display amp O STOP 2 To cancel a drain pump operation If either SET or DON OFF button is pressed a forced drain pump operation will stop The air conditioning system will become OFF Of two 2 remote controllers are connected to one 1 inside unit only the master controller is available for trial operation and confirmation of operation data The slave remote controller is not available 10 PAC SM 137 4 Function Setting by Remote Controller The functional setting Q The initial function setting for typical using is performed automatically for a remote control unit and an indoor unit by the door unit connected when remote controller and inside unit are connected As long as they are used in a typical manner there wiil be no need to change the initial settings If you would like to change the initial setting marked set your desired setting as for the selected item The procedure of functional setting is shown as the following diagram As for detail of setting refer to the installation manual of remote controller Flow of function setting Statt While indoor unit do not operate press 38 3 SET and MODE button for 3 seconds at the same time Finalize Press 39 SET button Reset Press RESET button Select Press A W button End Press DON OFF button It is possible to finish above setting on the way and unfinished change of s
277. erly Areas where drain pipe descending slope can be taken Areas where there is no obstruction of airflow on both air return grille and air supply port Areas where fire alarm will not be accidentally activated by the air conditioner Areas where the supply air does not short circuit Areas where it is not influenced by draft air Areas not exposed to direct sunlight Areas where dew point is lower than around 28 and relative humidity is lower than 8096 This indoor unit is tested under the condition of JIS Japan Industrial Standard high humid ity condition and confirmed there is no problem However there is some risk of condensa tion drop if the air conditioner is operated under the severer condition than mentioned above If there is a possibility to use it under such a condition attach additional insulation of 10 to 20mm thick for entire surface of indoor unit refrigeration pipe and drain pipe Areas where TV and radio stays away more than 1m It could cause jamming and noise Areas where any items which will be damaged by getting wet are not placed such as food table wares server or medical equipment under the unit Areas where there is no influence by the heat which cookware generates Areas where not exposed to oil mist powder and or steam directly such as above fryer Areas where lighting device such as fluorescent light or incandescent light doesn t affect the operation A beam from lighting devi
278. ernal static pressure of 60Pa or less Water drops may be blown from the diffuser outlet of the unit and wet the ceiling or furniture 135 10 PAC SM 137 PJDO12D052 5 Duct connected High static pressure type FDU This manual is for the installation of an indoor unit For electrical wiring work Indoor refer to the electrical wiring work installation manual For remote A CAUTION controller installation refer to the installation manual attached to a remote controller For wireless kit installation refer to the installation manual attached to a wireless kit For electrical wiring work Perform earth wiring surely Outdoor and refrigerant pipe work installation for outdoor unit refer to the installation manual Do not connect the earth wiring to the gas pipe water pipe lightning rod and telephone earth wiring Improper earth could attached to an outdoor unit cause unit failure and electric shock due to short circuit Earth leakage breaker must be installed d If the earth leakage breaker is not installed it can cause electric shocks SAFETY PRECAUTIONS Use the circuit breaker of correct capacity Circuit breaker should be the one that disconnect all poles under over current Read the SAFETY PRECAUTIONS carefully first of all and then strictly follow it during the installation work Using the incorrect one could cause the system failure and fire in order to protect yourself Do not use any mate
279. et type FDC Outdoor unit Example SRK 125 VNX ZIX bo Series code Twin type T Triple type Applicable power source See the specification Product capacity Model Wall mounted type J 1 1 1 Remote controller 1 Wired remote controller 10 PAC SM 137 OUTLINE OF OPERATION CONTROL BY MICROCOMPUTER The figure below shows the remote controller with the cover opened Note that all the items that may be displayed in the liquid crystal display area are shown in the figure for the sake of explanation Characters displayed with dots in the liquid crystal display area are abbreviated The figure below shows the remote control with the cover opened Ventilaion display Displayed during ventilation operation Centeal control display Displayed when the air conditioning system is controlled by centralized remote control Timer operation display Displays the timer operation setting Temperature setting buttons These buttons are used to set the temperature of the room Timer button This button is used to set the timer mode Weekly timer display Displays the settings of the weekly timer Operation setting display area Displays setting temperature airflow volume operation mode and oparation Operation check indicator light During oparation Lit in green CENTERT Z5 81 CT TUE WED THU FRI Gan 14 In case of error Flashing in red
280. etting is unavailable Initial settings Automatic criterion As for detail refer to the installation manual of remote controller During air conditioner stopping push SET 3 2 MODE button simultaneously for 3 seconds Consult the technical data etc for each control details 9 FUNCTION SET Y OFF Remote thermistor is not working Remote thermistor is working and to be set for producing 2 0 C increase in temperature Remote thermistor is working and to be set for producing 1 0 C increase in temperature Remote thermistor is working and to be set for producing 1 0 C increase in temperature __ Remote thermistor is working and to be set for producing 2 0 C increase in temperature Connect the Single split series and the VAF series to the indoor board CNT and indoor board respectively If a ventilation device is connected been geared with the motion of indoor device the ventilation device is operated stopped By connecting the ventilation device with the Single split series device to indoor board CNT the VRF series device to CND you can operate stop the ventilation device independently by the handling of ventilation button If you change the range of set temperature the indication of set temperature will not vary following the control and keep the set temperature M you want to change the remote control function 14 rusrmi0n
281. f The Indoor Unit will displayed Skip to step 7 4 When plural indoor units is connected Outdoor Unit Heat Exchanger Ther the smallest address number of indoor Compressor Frequency unit among all connected indoor unit is High Pressure Low Pressure displayed Discharge Pipe Temperature Example b Comp Bottom Temperature SELECT I U blinking 1 seconds Current 1 0000 blinking Target Super Heat Select the indoor unit number you would Discharge Pipe Super Heat like to have data displayed with the PROTECTION Protection State The Compressor A V button O UFANSPEED Outdoor Unit Fan Speed Determine the indoor unit number with the 6981 63H On DEFROST Defrost Control Or Off SET button 37 TOTALCOMPRUN o Ruving Hours oi The Compressor The indoor unit number changes from Q UEEV used The Ouen Uit Expansion Vaive BEV blinking indication to continuous indication 39 VUEEVO P Uit Expansion Va ER 1 0000 The address of selected 3KDepending on outdoor unit model there are data not shown indoor unit is blinking for 2 seconds Operation Mode Set Temperature Return Air Temperature Remote Controller Thermistor Temperature indoor Unit Heat Exchanger Thermistor U Bend indoor Unit Heat Exchanger Thenmistor Capillary indoor Unit Heat Exchanger Thermistor Header Indoor Unit Fan S
282. f power source before all of line work is done Connection of the line Between indoor and outdoor unit Earth and Remote controller Remove lid of control box before connect the above lines and connect the lines to terminal block according to number pointed on label of terminal block In addition pay enough attention to confirm the number to lines because there is electrical polarity except earth line Furthermore connect earth line to earth position of terminal block of power source install earth leakage breaker on power source line In addition select the type of breaker for inverter circuit as earth leakage breaker If the function of selected earth leakage breaker is only for earth fault protection hand switch switch itself and type B fuse or circuit breaker is required in series with the earth leakage breaker install isolator or disconnect switch on the power supply wiring in accordance with the local codes and regulations The isolator should be set in the box with key to prevent touching by another person when servicing Cable connection for single unit installation As for connecting method of power source select from following connecting pattems In principle do not directly connect power souce line to inside unit 3K As for exceptional connecting method of power souce discuss with the power provider of the country with referring to technical documents and follow its instruction for cable size and circuit brea
283. f8Md 7 201090009 7 09 19 oy WESS T A X8 i X8 20100 Josseiduio Wo VV m e omi ud ir Jejeau eseoyueJ HO au uonduoseg 2408 17 08 5 H3MOd PCA001Z571 112 4 PIPING SYSTEM 1 Single type Model 71 10 PAC SM 137 Indoor unit Outdoor unit lt Cooling cycle lt Heating cycle quM Thermistor Gas line ThO A EN 915 88 y a 0 l Flare connecting Away valve Check joint Thermistor Thermistor H h Heat exchanger High pressure ThO S eat exchanger ThI R3 switch Check 63 1 Lower pressure ThI A Thermistor sensor ad E LPT Heat exchanger ThO D Thermistor ThO R1 Thermistor Heat exchanger ThI R2 Discharge Accumlator Thermistor Heat exchanger Compressor Thermistor ThI R1 Suction ThO R2 Flare connecting Liquid line c Solenoid valve Service valve GV Flare connecting Strainer Electronic Electronic expansion valve expansion valve cooling EEVC heating EEVH Receiver Models 100 125 140 Indoor unit Outdoor unit lt Cooling cycle lt Heating cycle Check joint Thermistor Gas line
284. frigeration pipe and drain pipe Areas where TV and radio stays away more than 1m It could cause jamming and noise Areas where any items which will be damaged by getting wet are not placed such as food table wares server or medical equipment under the unit Areas where there is no influence by the heat which cookware generates Areas where not exposed to oil mist powder and or steam directly such as above fryer Areas where lighting device such as fluorescent light or incandescent light doesn t affect the operation A beam from lighting device sometimes affects the infrared receiver for the wireless remote controller and the air conditioner might not work properly Check if the place where the air conditioner is installed can hold the weight of the unit If it is not able to hold reinforce the structure with boards and beams strong enough to hold it If the strength is not enough it could cause injury due to unit falling If there are 2 units of wireless type keep them away for more than 5m to avoid malfunction due to cross communication O When plural indoor units are installed nearby keep them away for more than 4m Space for installation and service When it is not possible to keep enough space between indoor unit and wall or between indoor units close the air supply port where it is not possible to keep space and confirm there is no short circuit of airflow Install the indoor unit at a height of more than
285. from rising Fit the lid of the services If sputter entered into the unit during brazing work it could cause damage pinhole of drain pan and leakage of water panel property To avoid damaging keep the indoor unit packed or cover the indoor unit Improper fitting may cause abnormal heat and fire Install the drain pipe to drain the water surely according to the installation manual Check for refrigerant gas leakage after installation is completed Improper connection of the drain pipe may cause dropping water imo room and damaging user s belongings ite reigerant gas into house and comes in contact wih a fen ak aso oan oven ae gas is produnt Do not share the drain pipe fr indoor unit and GHP Gas Heat Pump system outdoor unt Toxic exhaust gas would flow into room and it might cause serious damage some poisoning deficiency of oxygen 10 Use the specified pipe flare nut and tools for R410A qe user s health and safety Using existing parts R22 could cause the unit failure and serious accident due to explosion of the cooling sure to perform air tightness test by pressurizing with nitrogen gas after completed refrigerant piping work Tighten the flare nut according to the specified method by with torque wrench If the density of refrigerant exceeds the limit in the event of refrigerant leakage in the small room lack of oxygen can Ifthe not were tightened with excess torque it could cause burst
286. fter long period Occur which can cause serious accidents 1o not put the drainage pipe directly into drainage channels where poisonous gases such as sulfide gas can ee am A Wil fon rio be om tough da pd afect th user s heath and safety Tis can also Check if the drainage is correctly done during commissioning and ensure the space for inspection and maintenance Poisonous gases oom pipe and seriously user s safety This can cause corrosion of the indoor unit and a resultant unit fale or refrigerant leak Ensure the insulation on the pipes for refrigeration circuit so as not to condense water Incomplete insulation could cause condensation and it would wet ceiling floor and any other valuables the pipes securely Mellon work bore compresser Is operated Do not install the outdoor unit where is likely to be a nest for insects and small animals M the compressor is operated when the service valves open without connecting the pipe it could cause explosion and injuries due aen sal anal coud cone o te ect copier and cause bealdom andre stc e wer NS to abnormal high pressure in the system keep the surroundings clean lop the compressor before removing the pipe after shutting the service valve on pump down work Pay extra attention carrying the unit by hand I the pipe is removed when the compressor is in operation with the service valve open air would be mixed in the refrigeration circuit
287. function 04 POSITION you must change the remote controller function 14 POSITION accordingly You can select the louver stop position in the four The louver can stop at any position Permission prohibition control of operation will be valid With the VRF series it is used to stop all indoor units connected with the same outdoor unit immediately When stop signal is inputed from remote on off terminal CNT 6 all indoor units are stopped immediately To be reset for producing 3 0 C increase in temperature during heating To be reset for producing 2 0 C increase in temperature during heating To be reset for producing 1 0 C increase in temperature during heating To be reset producing 2 0 C increase in return air temperature of indoor unit To be reset producing 1 5 C increase in return air temperature of indoor unit To be reset producing 1 0 C increase in return air temperature of indoor unit To be reset producing 1 0 C increase in return air temperature of indoor unit To be reset producing 1 5 C increase in return air temperature of indoor unit To be reset producing 2 0 C increase in return air temperature of indoor unit When heating thermostat is OFF fan speed is low speed When heating thermostat is OFF fan speed is set speed When heating thermostat is OFF fan speed is operated intermittently When heating thermostat is OFF the fan is stopped When the remote thermistor is working FAN OFF is
288. g flow 1 List of troubles Remote controller display Reference page No Excessive noise vibration 3 3 Louver motor failure FDT FDTC and FDEN series Power supply system error Power supply to indoor control PCB Power supply system error Power supply to remote controller 10 11 2 ware 3 INSPECT I U INSPECT I U When 1 or 2 remote controllers are connected INSPECT I U INSPECT 1 0 Connection of 3 units or more remote controllers No display E 2 2 2 2 2 2 5 5 5 5 Indoor unit operation check drain motor check setting error Inverter communication error 9 Inverter PCB A F module anomaly Model FDC 71 only 9 Outdoor fan motor anomaly 9 Low pressure error or low pressure sensor anomaly 94 95 9 Heating overload operation Drain trouble FDT FDTC FDU and FDUM series Excessive number of connected indoor units more than 17 units by controlling with one remote controller Communication error during operation Indoor heat exchanger temperature thermistor anomaly Communication error between master and slave indoor units Remote controller communication circuit error Return air temperature thermistor anomaly Inverter and fan motor anomaly Suction pipe temperature thermistor anomaly Low pressure sens
289. g thermostat is off the fan perform extra operation for six hours NO REMAINING After heating is stopped or heating thermostat is off the fan does not perform extra operation OSHIR _______ Anter heating is stopped or heating thermostat is off the fan perform extra operation for half an hour 2 HIR After heating is stopped or heating thermostat is off the fan perform extra operation for two hours GHIR _______ After heating is stopped or heating thermostat is off the fan perform extra operation for six hours NO REMAINING _ eoanar sana During heating is stopped or heating thermostat is off the fan perform intermittent operation for five minutes after twenty minutes off with low airflow 5 During heating is stopped or heating thermostat is off the fan perform intermittent operation for five minutes after five minutes off with low airflow 169 10 PAC SM 137 5 Control mode switching The control content of indoor units can be switched in following way ___ the default setting Control Content Indoor unit address 0 Fh Master Slave Switching plural Slave unit Setting Model capacity setting ON Operation check Drain motor test run Normal operation 6 Function of CNT connector of indoor printed circuit board Note 1 0 3mm x2m Do not use the length over 2 meter 0 75 x0 2m Butt splice Application coverage 0 75 1 25mm CNT Bl
290. gt S S 923 13M0 WI c IND ZMS eon 2 07 m 9x mE ep ZTT 801901089004 uomedo I 4 il 1 0H lo uonoedsu peg duej uoreoipu e ag 01 90 t a ANNO E AM NO ES iun Joopyno pue yun Joopul uoj odo jewioy useg dure uoneoipu c 031 F C uaamaq U e j EO 290007 2 8 0 Th UL 29 20987 140 c Ceiling suspended type FDEN 103 10 PAC SM 137 Models FDEN60VD 7170 10070 12570 14070 d uai NO A Hg anid 0 XB 1009 ye 1009 ye SHEIN 10109 uogeoipui Aue o eq jou PFA003Z820A oomos aul aowa Ind jou 00 y WOO uey s ujDue 0 9uj jeu eseo Jej o1uo9 JO 19995 2905 99 S eui Je ZX 0 e qeo 00 UM esp E
291. he outdoor air temperature Tho A Unit rps Max required Outdoor air temperature is frequency 18 C or higher 9 0 ii en Selection of max required frequency by heat exchanger temperature 1 Maximum required frequency is selected according to the outdoor unit heat exchanger temperature Tho R during cooling dehumidifying or according to the indoor unit heat exchanger temperature Thr R during heating mode 2 When there are 3 indoor unit heat exchanger temperatures Thi R whichever the highest applies Unit rps Cooling Outdoor unit heat exchanger dehumidifying temperature is 56 C or higher Indoor unit heat exchanger Heatin 5 temperature is 56 or higher When any of the controls from a to f above may duplicate whichever the smallest value among duplicated controls is taken as the maximum required frequency During heating it is operated with the maximum required frequency until the indoor unit heat exchanger temperature becomes 40 or higher Compressor start control a b Compressor starts upon receipt of the thermostat ON signal from the indoor unit However at initial start after turning the power supply breaker it may enter the standby state for maximum 30 minutes PREPARATION is displayed on the remote controller in order to prevent the oil loss in the compressor If the cooling dehumidifying heating operation is selected from the remote controller when the ou
292. he place where water splashes such as laundry over the user s manual to the new user when the owner is changed indoor unis not shock and fre Ir eer S A WARNING It could cause the damage of the items Do not install nor use the system near equipments which generate electromagnetic wave or high installation should be performed by the specialist Equipments like inverter equipment private power generator high frequency medical equipment or telecommunication W you install the unit by yourself it may lead to serious trouble such as water leakage electric shock fire and injury due to overturn equipment might influence the air conditioner and cause a malfunction and breakdown Or the air conditioner might of the unit influence medical equipments or telecommunicalion equipments and obstruct their medical activity or cause jamming install the system correctly according to these installation manuals Do not install the remote controller at the direct sunlight S Improper installation may cause explosion injury water leakage electric shock and fire D It could cause breakdown or deformation of the remote controller Check the density refered by the foumula accordance with 1505149 o Do not install the indoor unit at the place listed below density exceeds densi consult Places where flammable gas could leak Places where cosmetics or special sprays Go doalor
293. here is possibility of flammable gas leakages CAUTION Wrong installation might cause serious consequences depending on circumstances If the gas leaks and gathers around the unit it could cause fire Both mentions the important items to protect your health and safety so strictly follow them by any means Do not install and use the unit where corrosive gas such as sulfurous acid gas etc or flammable gas euch Q The meanings of Marks used here are as shown on the right as thinner petroleum may be generated or accumulated or volatile flammable substances are handled Never do it under any circumstances 1 Aways do it according to the instruction It could cause the corrosion of heat exchanger breakage of plastic parts etc And inflammable gas could cause fire After completing the installation do commissioning to confirm there are no abnormalities and explain to the Secure a space for installation inspection and maintenance specified in the manual customers about SAFETY PRECAUTIONS correct operation method and maintenance method air filter can injury due to fang from the installation e Cleaning operation method and temperature setting method with user s manual of this unit Ask your customers to keep this installation manual together with the user s manual Also ask them to hand Do not use the indoor unit at the place where water splashes such as laundry over the user
294. hold could result in abnormal heat generation or fire Arrange the electrical wires in the control box properly to prevent them from rising Fit the lid of the services panel property To avoid damaging keep the indoor unit packed or cover the indoor unit Improper fitting may cause aboormal heat and fire Install the drain pipe to drain the water surely according to the installation manual Improper connection of the drain pipe may cause dropping water into room and damaging user s belongings Check for refrigerant gas leakage after installation is completed Ifthe refrigerant gas leaks into the house and comes in contact with a fan heater a stove or an oven tnc gas is produced Do not share the drain pipe for indoor unit and GHP Gas Heat Pump system outdoor unit Toxic exhaust gas would flow into room and it might cause serious some or defi of to Use the specified pipe flare nut and tools for 10 i damage some poisoning or deficiency of oxygen S Using existing parts R22 could cause the failure and serious accident due to explosion of the cooling Be sure to perform air tightness test by ing with Tighten the flare nut according to the specified method by with torque wrench If the density of refrigerant exceeds the limit in the event of refrigerant leakage in the small room lack of oxygen can ifthe flare nut were tightened with excess torque it could cause burst and refrigerant leakage a
295. ich ie remote controller fthe unit has recovered from anomaly it Red LED on outdoor control PCB Memorizes a mode of higher priority can be operated B Resetting the error log Resetting the memorized error log in the remote controller Holding down CHECK button press TIMER button to reset the error log memorized in the remote controller Resetting the memorized error log The remote controller transmits error log erase command to the indoor unit when VENTI button is pressed while holding down CHECK button Receiving the command the indoor unit erase the log and answer the status of no error 2 Troubleshooting procedure When any trouble has occurred inspect as follows Details of respective inspection method will be described on later pages Confirmation of Confirmation remote controller and Replacement of power LEDs on the PCB Check of the anomalous Inspection repair of Trouble gt supply ofindoorunitand operation data on the oftheunit faulty part Indoor outdoor unit Indoor remote controller controller test run outdoor unit outdoor unit remote adjustment controller 3 Troubleshooting at the indoor unit With the troubleshooting find out any defective part by checking the voltage AC DC resistance etc at respective connectors at around the indoor PCB according to the inspection display or operation status of un
296. il they are brazed in order to avoid any dust dirt or water getting into pipe Otherwise it will cause degradation of refrigeration oil and compressor breakdown etc Use special tools for R410 refrigerant Piping work Refrigerant pipe When conducting piping work make sure to allow the pipes to be aligned in a straight line for at least 250 mm as shown a in the left illustration This is necessary for the drain pump imm Section where attached 0 function in a straight line 138 10 PAC SM 137 Refrigerant pipe continued Work procedure 1 Remove the flare nut and blind flanges on the pipe of the indoor unit 7X Make sure to loosen the flare nut with holding the nut on pipe side with a spanner and giving torque to the nut with another spanner in order to avoid unexpected stress to the copper pipe and then remove them Gas may come out at this time but it is not abnormal Pay attention whether the flare nut pops out as the indoor unit is sometimes pressured Make a flare on liquid pipe and gas pipe and connect the refrigeration pipes on the indoor unit 3KBend the pipe with as big radius as possible and do not bend the pipe repeatedly In addition do not twist and crush the pipes 3KDo a flare connection as follows Make sure to loosen the flare nut with holding the nut on pipe side with a spanner and giving torque to the nut with another spanner in order to av
297. imit position is fad and the setting position is Gaplayed for two seconds Then proceed to lower Emit position selection EXAMPLE displayed for two seconds shows current setting PressA or Y button Selection of lower limit position Select the lower limit positon of louver position 1 is the most horizontal and position 6 is the most downwards position is to return to the factory setting H you need to change the setting to the default setting use position etum to the setting 10 e PAC SM 137 9 Press M SET button Fixing of the lower limit position Upper mt position and lower limit position are fied and the set positions are displayed foe two seconds then setting completed After the setting is completed the louver which was set moves tom the original positon to the lower limit position and goes back to the original position again This operation is not performed if the indoor unit and or indoor unit fan is in operation TExaemplo 16 ddisplryed for two seconds SET COMPLETE A 10 Press OON OFF button Louver adjusting mode ends and returns to the original display If the upper limit position number and the lower iit position number set to the same position the louver is fixed at that position auto swing does not funtion ATTENTION If you press Gl RESET button during settings the display will retum to previ
298. ing time 180 hrs Factory default Setting 2 Setting time 600 hrs Setting 3 Setting time 1 000 hrs Setting 4 Setting time 1 000 hrs Unit stop 2 After the setting time has elapsed the FILTER CLEANING is displayed and after operating for 24 hours further counted also during the stop the unit stops 10 PAC SM 137 1 4 Operation control function by the outdoor controller 1 2 Determination of compressor speed frequency Required frequency a b c d e f g h Cooling dehumidifying operation Unit rps Indoor unit air flow Indoor unit air flow Lo Min required frequency Heating operation Unit rps Indoor unit air flow Indoor unit air flow Lo Min required frequency If Silent mode start signal is received from the remote controller the maximum required frequency becomes same as when the indoor air flow is set at Lo Max required frequency under high outdoor air temperature in cooling mode Maximum required frequency is selected according to the outdoor air temperature Tho A Unit rps Model Outdoor air temperature is 40 or higher Outdoor air temperature is 46 or higher Max required frequency under outdoor air temperature in heating mode Maximum required frequency is selected according to t
299. inst Fasten Suspension bolt atthe front if end of Unit 4 Hanging plate x Ceiling surface Unit Washer LIJ alon 7 accessory Hangingplaie 7 skDouble nuts Please fasten firmly with double nuts Install the unit to the hanging plate 1 Slide the unit in from front side to get it Hanging piste hanged on the hanging plate with the bolts 2 Fasten the four fixing bolts M8 2 AA yc each on the left and right sides firmly AN 3 Fasten the two screws M4 1 each on the left and right sides Fixing bolts NWARNINIG Hang a side panel on from the 9 panel side to the rear side and then fasten it securely onto the indoor unit with screws For left side drain ensure smooth drain flow install the unit with a descending slope toward the drain outlet A CAUTION Do not give the reversed slope which may cause water leaks Double nuts piate a 6 Refrigerant pipe Caution Use the new refrigerant pipe When re using the existing pipe system for R22 or R407C pay attention to the following items Change the flare nuts with the attached ones JIS category 2 and reprocess the flare parts Do not use thin walled pipes Use phosphorus deaxidized copper alloy seamless pipe C1220T specified in JIS H3300 for refrigeration pipe installation In addition make sure there is no damage both inside and outside of the p
300. installation elevation if necessary the distance between 20 24mm Exceeding the range of distance M there is height difference beyond tho design limit between the installation level of the indoor unit and the ceiling plane the panel may be subject to excessive stress during installation it may cause distortion and damage The installation level of the indoor unit can be adjusted finely from the opening provided on the comer even after panel is attached Rotor 10 ois Removing the air return grille 1 Hold the stoppers on the air return grille 2 places toward OPEN direction open the air return grille 2 Remove the hooks of the air return grille from the decorative panel while it is in the open position 4 Removing a corner panel Pull the corner panel toward the direction indicated by the arrow and remove it Same way for all four corner panels Orientation of the panel installation Take note that there is an orientation to install the panel Attach the panel with the orientation shown on the right Align the PIPE SIDE mark on the panel with the refrigerant pipes on the indoor unit Align the DRAIN mark on the panel with the drain pipe on the indoor unit In case the orientation of the panel is not correct it will lead to air and also it is not possible to connect the louver motor wiring 10 PAC SM 137 PJF012D003A AN Attaching the panel 1
301. installation manual attached to a remote controller For wireless kit installation refer to the installation manual attached to a wireless kit For electrical wiring work Perform earth wiring surely Outdoor and refrigerant pipe work installation for outdoor unit refer to the installation manual Do not connect the earth wiring to the gas pipe water pipe lightning rod and telephone earth wiring improper earth could attached to an outdoor unit Cause unit failure and electric shock due to a short circuit This unit must always be used with the panel Earth leakage breaker must be installed M the earth leakage breaker is not installed it can cause electric shocks Use the circuit breaker of correct capacity Circuit breaker should be the one that disconnect all SAFETY PRECAUTIONS poles under over current Read the SAFETY PRECAUTIONS carefully first of all and then strictly follow it during the installation work Using the incorrect one could cause the system failure and fire in order to protect yourself Do not use any materials other than a fuse of correct capacity where a fuse should be used The precautionary items mentioned below distinguished into two levels A WARNING and A CAJTION Connecting the circuit by wire or copper wire could cause unit failure and fire C WARANING Wrong installation would cause serious consequences such as injuries or death Do not install the indoor unit near the location where t
302. ion Function No lt FAN SPEED SET Function Press SET button The current setting of selected function is indicated For example STANDARD lt If 02 FAN SPEED SET is selected STANDARD Setting Press Y button Select the setting Press J SET button SET COMPLETE will be indicated and the setting will be completed Then after No and function indication returns set as the same procedure if you want to set continuously and if to finish go to 7 SET COMPLETE When plural indoor units are connected to a remote controller press the AIRCON button which allows you to go back to the indoor unit selection screen example I U 000 A ON OFF It is possible to finish by pressing unavailable button on the way but unfinished change of setting is During setting if you press 22 RESET button you return to the previous screen Setting is memorized in the controller and it is saved independently of power failure How to check the current setting setting When you select from No and funcion and press set button by the previous operation the Setting displayed first is the current But if you select ALL UNIT W the setting of the lowest number indoor unit is displayed 149 10 PAC SM 137 10 SYO
303. ipe and no harmful substances such as sulfur oxide dust or a contaminant stuck on the pipes Do not use any refrigerant other than R410A Using other refrigerant except R410A R2 etc may degrade inside refrigeration oil And air getting into refrigeration circuit may cause over pressure and resultant it may result in bursting etc o Store the copper pipes indoors and seal the both end of them until they are brazed in order to avoid any dust dirt water getting into pipe Otherwise it will cause degradation of refrigeration oil and compressor breakdown etc Use special tools for R410 refrigerant Work procedure 1 Remove the flare nut and blind flanges on the pipe of the indoor unit Make sure to loosen the flare nut with holding the nut on pipe side with a spanner and giving torque to the nut with another spanner in order to avoid unexpected stress to the copper pipe and then remove them Gas may come out at this time but it is not abnormal Pay attention whether the flare nut pops out as the indoor unit is sometimes pressured Make a flare on liquid pipe and gas pipe and connect the refrigeration pipes on the indoor unit 3 Bend the pipe with as big radius as possible and do not bend the pipe repeatedly In addition do not twist and crush the pipes 3 amp Do a flare connection as follows Make sure to loosen the flare nut with holding the nut on pipe side with a spanner and giving torque to the nut with another
304. ipment private power generator high frequency medical equipment or telecommunication equipment might influence the air conditioner and cause a malfunction and breakdown Or the air conditioner might influence medical equipments or telecommunication equipments and obstruct their medical activity or cause jamming Do not install the remote controller at the direct sunlight S It could cause breakdown or deformation of the remote controller Do not install the indoor unit at the place listed below Places where flammable gas could leak Places where carbon fiber metal powder or any powder is floated Place where the substances which affect the air conditioner are generated such as sulfide gas chloride gas acid alkali or ammonic atmospheres Places exposed to oil mist or steam directly On vehicles and ships smoke from a chimney Places where machinery which generates high harmonics is used Altitude over 1000m Do not install the indoor unit in the locations listed below Be sure to install the indoor unit according to the installation manual for each model because each indoor unit has each limitation Locations with any obstacles which can prevent inlet and outlet air of the unit Locations where vibration can be amplified due to insufficient strength of structure S frequently used Highly salted area such as beach Heavy snow area Places where the system is affected by ed Locations where the i
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306. is available is displayed b Inspection display filter sign Any of unit that starts initially is displayed c Confirmation of connected units Pressing AIR CON No button on the remote controller displays the indoor unit address If WY button is pressed at the next it is displayed orderly starting from the unit of youngest No d Incase of anomaly i If any anomaly occurs on a unit in a group a protective function operates that unit stops with the anomalous stop but any other normal units continue to run as they are ii Signal wiring procedure Signal wiring between indoor and outdoor units should be made on each unit same as the normal wiring For the group control lay connect with sires wiring between rooms using terminal blocks X Y of remote controller Connect the remote controller communication wire separately from the power supply wire or wires of other electric devices AC220V or higher High ceiling control In the case of indoor unit installed in a higher ceiling room the airflow volume mode control can be changed with the wired remote controller indoor unit function FAN SPEED SET Indoor unit airflow setting tul Seu Saal Sac Saal Saal Sant Kael STANDARD UH Hi Me Lo 1 Hi Lo Hi Me HIGH SPEED1 2 UH UH Me UH Hi Me UH Me UH Hi Note 1 Factory default is Standard 2 Atthe hot start and heating thermostat OFF or oth
307. ished Drain pump can be operated by remote controller wired For the operation method refer to Operation for drain pump in the installation manual for wiring work Oln case electrical wiring work not finished Drain pump will run continuously when the dip switch SW7 1 on the indoor unit PCB is tumed ON the Connec tor CNB is disconnected and then the power supply 230VAC on the terminal block 1 and 2 is turned ON Make sure to tum OFF SW7 1 and reconnect the Connector ONB after the test 8 Wiring out position and wiring connection Electrical installation work must be performed according to the installation manual by an electrical installation service provider qualified by a power provider of the country and be executed according to the technical standards and other regulations applicable to electrical installation in the country Be sure to use an exclusive circuit Use specified cord fasten the wiring to the terminal securely and hold the cord securely in order not to apply unexpected stress on the terminal Do not put both power source line and signal line on the same route It may cause miscommu nication and malfunction Be sure to do D type earth work Q For the details of electrical wiring work see attached instruction manual for electrical wiring work Remove a lid of the control box 2 screws Hold each wiring inside the unit and fasten them to terminal block securely Fix the wiring with clamps I
308. it the compressor does not run fan does not run the 4 way valve does not switch etc and replace or repair in the unit of following part a Replacement part related to indoor PCB s Control PCB power supply PCB temperature thermistor return air indoor heat exchanger remote controller switch limit switch transformer and fuse Note 1 With regard to parts of high voltage circuits and refrigeration cycle judge it according to ordinary inspection methods b Instruction of how to replace indoor control PCB SAFETY PRECAUTIONS Read the SAFETY PRECAUTIONS carefully first of all and then strictly follow it during the replacement in order to protect yourself The precautionary items mentioned below are distinguished into two levels WARNING and CAUTION Both mentions the important items to protect your health and safety so strictly follow them by any means Wrong installation would cause serious consequences such as injuries or death Wrong installation might cause serious consequences depending on circumstances e After completing the replacement do commissioning to confirm there are no anomaly Replacement should be performed by the specialist If you replace the PCB by yourself it may lead to serious trouble such as electric shock or fire Replace the PCB correctly according to these instructions Improper replacement may cause electric shock or fire Shut off the power before electrical wiring work Replacement duri
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312. ker selection refer to the outdoor unit installation manual Earth leakage breaker Circuit breaker Earth leakage breaker Power source line Outdoor Unit 220 Indoor Outdoor Vara Connecting line aay c Indoor Unit Indoor Outdoor Connecting line Remote controller line Cable connection for a V multi configuration installation Connect the same pairs number of terminal block 2 and and 00 and Y between master and slave indoor units 2 00 the same address setting of all inside units belong to same refrigerant system by rotary Switch SW2 on indoor unit s PCB Printed circuit board S Set slave indoor unit as slave 1 through slave 3 by address switch SW5 1 5 2 on PCB When the CON NO button on the remote control unit is pressed after turning on the power an indoor unit s address number will be displayed Do not fail to confirm that the connected indoor unit s numbers are displayed on the remote control unit by pressing the A W button Power source Method of setting Master Slave of indoor unit Factory setting Master Outdoor Unit tarn RADA 1 Ey 12 Ma 2 i Indoor Unit Master Indoor Unit Slave 3 Y Ti rw i can LO ta 1 garth 166 2 Remote Control Wiring and functions 00 NOT install it on the following places Places exposed to direct sunlight Z Places near h
313. l return to previous display If you press DON OFF button during settings the mode will be ended and return to original display and the settings that have not been completed will become invalid When psal remote controls dr connected lower operation DA et by ivi controller M it is necessary to fix the louver position manually follow the procedure mentioned below 1 Shut off the main power switch 2 Unplug the connector of the louver motor which you want to fix the position Make sure to insulate unplugged connectors electrically with a vinyl tape 3 Adjust the louver position slowly by hand so as to be within the applicable range mentioned below table Range of louver setting Vertical airflow direction Horizontal 23 Downwards 50 40 24 It can be set between 24 40mm freely Any automatic control or operation from the remote controller will be disabled on the louver whose position is fixed in the above way Do not set a louver beyond the specified range Failure to observe this instruction may result in Gripping dew condensation the fouling of the ceiling and the malfunctioning of the unit 10 PAC SM 137 PJFO12D016 2 Ceiling cassette 4way type FDT This manual is for the installation of an indoor unit For electrical wiring work Indoor refer to the electrical wiring work installation manual For remote A CAUTION controller installation refer to the
314. lace the suction duct joint and the bottom plate Remove the screws which fasten the Replace the removed bottom plate bottom plate and the duct joint on the and duct joint inlet port side of the unit Fit the duct join with a screw fit the bottom plate Make sure to insulate the duct to prevent dewing on it amp Install the specific blowout duct in a location where the air will Circulate to the entire room The duct connection is specific to the 200 circular duct Conduct the installation of the specific blowout hole and the connection of the duct before attaching them to the ceiling insulate the area where the duct is secured by a band for dew condensation prevention 5 Make sure provide an inspection hole on the ceiling It is indispensable to service elecric equipment motor functional components and cleaning of heat exchanger Air conditioner main unit y gt led item iespection hole with air her Suction Section grille Bad example of duct work coon t ovy CDIf a duct is not provided at the suction side but it is substituted with the space over the ceiling humidity in the space will increase by the influence of capacity of ventilation fan strength of wind blowing against the out door air louver weather rainy day and others a Moisture in air is likely to condense over the external plates of the unit and to drip on the ceiling Unit should be operated under the conditions as listed in the above table
315. lation manuals Do not install the remote controller at the direct sunlight EIER Es Pr rs Ov tt t en ee e Places where flammable gas could leak Places where cosmetics or special sprays are density exceeds the limit density please consult the dealer and instalate the ventilation system Places where carbon fet metal powder or any powder is foaled frequenfy used Use the genuine accessories and the specified parts for installation Place where the substances which affect the air condiioner are generated Highly salted area such as beach Ventilate the working area well in case the refrigerant leaks during installation H the refrigerant contacts the fire tac gas is produced generates high harmonics Do not install the indoor unit in the locations listed below Be sure to install the indoor unit install the unit in a location that can hold heavy weight according to the installation manual for each model because each indoor unit has each limitation Improper installation may cause the to fall leading to accidents Locations with any obstacles which can prevent inlet and outlet air of the unit installe unit properly in order to be able to withstand strong winds such as typhoons and earthquakes ird piede er ere Improper installation may cause the unit to fall leading to accidents infrared specification Do not mix air in to the cooli
316. ld cause electric shock Do not touch the refrigerant piping with bare hands when in operation The pipe during operation would become very hot or cold according to the operating condition and it could cause a burn or frostbite R could cause electric shock Be sure to wait for more than 5 minutes Otherwise it could cause water leakage or breakdown Do not control the operation with the circuit breaker It could cause fire or water leakage In addition the fan may start operation unexpectedly and it may cause injury S 128 installation Install correctly according to the installation manual eConfirm the following points OUnit type Power supply specification OPipes Wires Small parts O Accessory items f Pic Paper porter Pipe cover Strap For unit hanging For refrigerant pipe Drain hose clamp 1 1 1 4 1 1 1 1 4 For unt hanging For hes atuton For ing d pipe Far dran pipe For ot ffor of For drain hose For fing air hd d gas pipe cw cannecten Grain howe bug tncet ge Accessories FEE are inside return grille SE e a 2 Selection of installation location for the indoor unit Select the suitable areas to install the unit under approval of the user Areas where the indoor unit can deliver hot and cold wind sufficiently Suggest to the user t
317. louver can stop at any position 15 MODEL TYPE COOLING ONLY 16 EXTERNAL CONTROL SET If you input signal into CNT of the indoor printed circuit board from external the indoor unit will be operated independently according to the input from external if you input into CNT of the indoor printed circuit board from external all units which connect to the same remote controller are operated according to the input from external NOI VIDUAL FOR ALL UNITS 17 ROOM TEMP INDICATION SET NDICATION OFF INDICATION ON In normal working indication indoor unit temperature is indicated instead of airflow Only the master remote controller can be indicated ios T HDICATIOM HDICATION ON NDICATION OFF Heating preparation indication should not be indicated 19 SET Temperature indication is by degree C Temperature indication is by degree F 5 ON OFF button finished 147 Indoor unit function LAU FUNCTION Indoor unit No are indicated only when plural indoor units are connected 10 PAC SM 137 Note 1 The initial setting marked gt lt is decided by connected indoor and outdoor unit and is automatically defined as following table O RUN ON FunctionNo tem Model Auto RUN mode selectable indoor unit RUN DFF Indoor uni
318. low 290 325mm Drain hose Right overhead Joint for VP20 local procurement Otherwise the construction point makes it same as drain pipe construction Maximum local drain up dimension Drain test Conduct a drain test after completion of the electrical work During the trail make sure that drain flows properly through the piping and that no water leaks from connections In case of a new building conduct the test before it is furnished with the ceiling Be sure to conduct this test even when the unit is installed in the heating season Procedures 1 Supply about 1000 cc of water to the unit through the air outlet by using a feed water pump 2 Check the drain while cooling operation Insert water supply hose for 50mm to supply water Insert hose facing ro Drain toward bottom Msn piping Drain situation can be checked with transparent socket Attached drain hose clamp Pour water into a convex joint Remove grommet Make sure to Install it back after test joint in the drain pipe connection to provide a water inlet Then check if water leaks from the piping system and that If the electrical work has not been completed connect a convex drain flows through the drain pipe normally Outline of bottom drain piping work If the bottom drain piping can be done with a descending gradient 1
319. ls Insects and small animals could come into the electronic components and cause breakdown and fire instruct the user to keep the surroundings clean Pay extra attention carrying the unit by hand Carry the unit with 2 people if it is heavier than 20kg Do not use the plastic straps but the grabbing place moving the unit by hand Use protective gloves in order to avoid injury by the aluminum fin Make sure to dispose of the packaging material Leaving the materials may cause injury as metals like nail and woods are used in the package eo It may cause the breakdown of the system due to clogging of the heat exchanger It could cause electric shock Do not touch the refrigerant piping with bare hands when in operation The pipe during operation would become very hat or cold according to the operating condition and it could cause a burn or frostbite It could cause electric shock Be sure to wait for more than 5 minutes Otherwise it could cause water leakage or breakdown Do not control the operation with the circuit breaker It could cause fire or water leakage In addition the fan may start operation unexpectedly and it may cause injury 116 Before installation Install correctly according to the installation manual Confirm the following points Unit type Power supply specification Accessory ime Pipes Wires Small parts Accessory i 10 PAC SM 137 8 Preparation before installation
320. ltant unit failure oc refrigerant leak Connect the pipes for refrigeration circuit securely in installation work before compressor is operated lt the compressor is operated when the service valve is open without connecting the pipe it could cause explosion and injuries dee o to abnormal high pressure ia the system Stop the compressor before removing the pipe after shutting the service valve on pump down work Y the pipe is removed when the compressor is in operation with the service valve open air would be mixed ia the refrigeration circuit and it could cause explosion and injuries due to abeormal high pressure in the cooling cycle Only use prescribed optional parts The installation must be carried out by the qualified installer o M you install system by yoursell R can cause serious trouble such as water leaks electric shocks fire 900 not repair by yourself And consult with the dealer about repair Improper repair may cause water leakage electric shock or fire Consult the dealer or a specialist about removal of the air conditioner instalation may cause water leakage electric shock or fire Tum off the power source during servicing or inspection work M the power is supplied during servicing or inspection work it could cause electric shock and injury by the operating fan Do not run the unit when the panel or protection guard are taken off Touching the rotating equipment hot surface or high voltage section c
321. lves NO Open the valves opened YES Check refrigerant amount and refregerant circuit n case of transitional Es the increase of high pressure io Porson NO gt and or test run several OK times restarting may _ recover it because liquid YES refrigerant migrated in the compresser is discharged from the compressor insulation resistance and NO Replace compressor coil resistance 1 of compressor motor 1 1 1540 or more at 20 C Model FDC71VNX 0 2930 or more at 20 C Models FDC100 140VNX YES 1 1720 or more at 20 C Models FDC100 140VSX Continues to next page detection 4 Presumable cause The valves closed Faulty power supply nsufficient refrigerant amount Faulty compressor Faulty power transistor module Note 89 10 PAC SM 137 Error code LED 5 Red Content Indoor Keeps flashing Stays OFF Remote controller E42 Outdoor control PCB Keeps flashing 1 time flash Outdoor Yellow LED Current cut 2 2 Es time flash or 5 times flash I Applicable model 5 Troubleshooting models Diagnosis Countermeasure 2 Error detection method In order to prevent from overcurrent of inverter if the current exceeds the specifications it makes the compressor stopping 3 Condition of Error displayed Ifthe output current
322. m above the ceiling plane and the upper nuts on distant place from the lower nuts in order not to obstruct hanging the indoor unit or adjust the indoor unit position and then hang the indoor unit Adjust the indoor unit position after hanging it by inserting the level gauge attached on the package into the air supply port and checking if the gap between the ceiling plane and the indoor unit is appropriate In order to adjust the indoor unit position adjust the lower nuts while the upper nuts are put on distant place Confirm there is no backlash between the hanger plate for suspension bolt and the lower nut and washer Suspension bolt Nut upper Flat washer Spring wasler Nut lower N Ceiling surface Cie Keep the distance between 20 24 m Exceeding the range of distance may cause failure etc ER Touch the nut lower and Play is left between the fixture washer without any play and the nut lower and washer Ceiling opening dimensions Level gauge Inserted into the unit 123 4 Installation of indoor unit continued Make sure to install the indoor unit horizontally Confirm the levelness of the indoor unit with a level gauge or transpar ent hose filled with water Keep the height difference at both ends of the indoor unit within 3mm Tighten four upper nuts and fix the unit after height and levelness adjustment Q Do not adjust the height by adjusting upper nuts It will cau
323. manual attached to an outdoor unit This unit must always be used with the panel SAFETY PRECAUTIONS Read the SAFETY PRECAUTIONS carefully first of all and then strictly follow it during the installation work in order to protect yourself The precautionary items mentioned below are distinguished into two levels A WARNING and A CAUTION WARNING Wrong installation would cause serious consequences such as injuries or death CAUTION Wrong installation might cause serious consequences depending on circumstances Both mentions the important items to protect your health and safety so strictly follow them by any means Q The meanings of Marks used here are as shown as follows Never do it under circumstances Q9 Aways do it according to the instruction After completing the installation do commissioning to confirm there are no abnormalities and explain to the customers about SAFETY PRECAUTIONS correct operation method and maintenance method air filter Cleaning operation method and temperature setting method with user s manual of this unit Ask your customers to keep this installation manual together with the user s manual Also ask them to hand over the user s manual to the new user when the owner is changed AXWARNING installation should be performed by the specialist f you install the unit by yourself it may lead to serious trouble such as waler leakage electric shock fre and injury due
324. ment of PCB circuit Insta Higher discharge temperature Repair sung Keeps 2 BN Keeps Discharge pipe we a Replacement repair of 3 SuyOFP 1 time ash temperature thermistor Defective discharge pipe temperature thermistor ter neratite thernistor 183 Outdoor control Defective outdoor control PCB Defective temperature thermistor input Replacement of PCB ceps circuit flashing Outdoor heat exchanger Defective outdoor heat exchanger temperature thermistor broken wire or poor Replacement repair of temperature thermistor connector connection temperature thermistor E j 1 Stays FE isting sod e Defective out trol PCB Defective t ture thermistor input M g Outdoor contro PCB outdoor control efective temperature thermistor input Replacement of PCB Outdoor air temperature Defective Outdoor air temperature thermistor broken wire or poor connector Replacement repair of E 3 8 Stays OFF Keeps Keeps thermistor connection temperature thermistor 85 ays ime lashing ashin ctiv eti istor i Outdoor control je outdoor control PCB Defective temperature thermistor input Replacement of PCI Discharge pipe Defective discharge pipe temperature thermistor broken wire or poor Replacement repair of E 3 g Stays OFF Keeps temperature thermistor connector connection temperature thermistor 86 d ashing ashing Defective outdoor control PCB Defective tem
325. mes Ajoedeo japoyy IMS 7 SHUN eund SMS SSAIPPE ZMS uonoedsuj pag ean 2 01 UoTS 120 99 18150 JO OW UE asn 4 ueg wa 101090007 7 9 0 IN 10 Jojoede d Duct connected Low Middle static pressure type FDUM Models FDUM50VD 60VD 71VD 1061000 991 5 uonoedsu o oomos amod ejoule jnd jou s 810 U JEU eseo JOLLEI jo j9eus dads 995 lolouoo alowed je ZX z WWE 0 9J09 esr 2 jun episno pue un episul y Moge un episino jo WesBeIp y eas Z 915 uo sejeoipul sejoN Wd 1ejonuoo Spueg A X 1 eal A X v910 3 a P 2 3 3 1 H 2 HM HM Huno 8ND i INS I
326. min Model Mode Cooling Dehumidifying Heating Cooling Dehumidifying Heating Cooling Dehumidifying Heating b Fan tap control during cooling heating operation Fan taps are selected depending on the outdoor unit heat exchanger temperature Tho R1 R2 and the outdoor air temperature Tho A Note 1 It is detected by Tho R1 or R2 whichever the higher 5 6 Tap 5 6 Tap 5 6 5 6 5 6 Tap 4 6 Tap4 4 3 3 3 2 Note 1 Value in are for the model 71 zone 8 zone 20 30 Outdoor air temp Outdoor unit heat exchanger temp C c Fan tap control during heating operation Fan taps are selected depending on the outdoor unit heat exchanger temperature Tho R1 R2 and the outdoor air temperature Tho A Note 1 It is detected by Tho R1 or R2 whichever the lower 3 4 5 5 Note 1 Value in are for the model 71 zone 8 zone 8 zone 3 9 2 0 Outdoor air temp Outdoor unit heat exchanger temp d Outdoor unit fan control at cooling low outdoor air 1 When all the following conditions are established after the start of compressor the following control is implemented If the outdoor air temperature Tho A is in the zone B in the cooling dehumidifying mode it has elapsed 20 seconds from the start of
327. mote controller operation switch or anomalous condition its restart will be inhibited for 3 minutes However the 3 minute timer is invalidated at the power on the electric power source for the unit 3 minute forced operation timer Compressor will not stop for 3 minutes after the compressor ON However it stops immediately when the unit is stopped by means of the ON OFF switch or by when the thermister turned OFF the change of operation mode If the thermostat is turned OFF during the forced operation control of heating compressor the louver position with the auto swing is returned to the level position Note 1 The compressor stops when it has entered the protective control I Drain motor DM control Applicable model FDTC FDT and FDUM 1 Drain motor DM is operated during the cooling or dehumidifying mode operations and simultaneously with the compressor ON The DM continues to operate for 5 minutes after the operation stop anomalous stop thermostat stop or when it was switched from the cooling and dehumidifying operations to the fan or heating operation Indoor unit operation mode Stop Cooling Dehumidifying Fan 2 Heating Note 1 Including the stop from the cooling dehumidifying fan and heating and the anomalous stop Compressor ON Control A 2 Including the Fan operation according to the Compressor OFF Control B 2 mismatch of operation modes Control A i
328. n resistance check the following points D 6 hours after power ON check if the insulation resistance recovers to normal When power ON crankcase heater heat up compressor and evaporate the refrigerant migrated in the compressor Check if the earth leakage breaker is conformed to higher Y Replace compressor Secure insulation resistance Noise harmonic regulation or not Since the unit is equipped with inverter it is necessary to use components conformed to higher harmonic regulation in order to prevent malfunction of earth leakage breaker Note 10 PAC SM 137 Error code Remote controller None LED Green Red Indoor Outdoor m Excessive noise vibration 1 3 J 1 Applicable model 5 Troubleshooting All models Diagnosis Countermeasure 2 Error detection method 3 Condition of Error displayed 4 Presumable cause O Improper installation work Improper anti vibration work at instllation nsufficient strength of mounting face Defective product Before after shipping from factory Improper adjustment during commissioning Excess shortage of refrigerant etc noskton occur durhgr son fer topgoprtbn ofa r condibner Doesh of ndoorbutdoor uni loos ork Doemostton occur not onlyfom th a eondibner b t by f
329. n and removing Take off the hanging hook after removing four screws During the installation of drain pan fix the drain pan firmly by using four screws after hanging it up with the fixing hook V Remove the screws Rotate the hook PANEL INSTALLATION MANUAL Read this manual together with the indoor unit s installation manual WARNING Fasten the wiring to the terminal securely and hold the cable securely so as not to apply unexpected stress on the terminal Loose connection or hold will cause abnormal heat generation or fire Make sure the power supply is turned off when electric wiring work Otherwise electric shock malfunction and improper running may occur Before installation Follow installation manual carefully and install the panel property Check the following items O Accessories Accessories Bot ey 4 pisces panel installation strap gt 4 pieces For avoiding the comer panei from taing Note Accessories are id in the position removing the corner panel Checking the indoor unit installation position Read this manual together with the air conditioner installation manual carefully Check if the opening size for the indoor unit is correct with the level gauge supplied in the indoor unit Check if the gap between the ceiling plane and the indoor unit is correct by inserting the level gauge into the air outlet port of the indoor unit See below drawing Adjust the
330. nd inflammable gas is generated Toxic gas would flow into the room and it would cause serious damage to user s health and safety some poisoning or deficiency of oxygen In addition it may cause corrosion of heat exchanger and bad smell Connect the pipe securely to avoid water leakage from the joint Insulate the pipe properly to avoid condensation drop Check if the water can flow out properly from both the drain outlet on the indoor unit and the end of the drain pipe after installation Make sure to make descending slope of greater than 1 100 and do not make up down bend and or trap in the midway In addition do not put air vent on the drain pipe Check if water is drained out properly from the pipe during commissioning Also keep sufficient space for inspection and maintenance Work procedure 1 Make sure to insert the drain hose the end mode of soft PVC to the end of the step part of drain socket Attach the hose clamp to the drain hose around 10mm from the end and fasten the screw within 5mm left to the nut Do not apply adhesives on this end Do not use acetone based adhesives to connect to the drain socket vP 25 a Y Prepare on site VP 20 l Prepare onsite Pipe cover big amp For insulation Accessory Stage difflernce part x Drain socket Unit Joint for VP 20 pA 7 Prepare on site DES H PA Drain hose Pal zm
331. ndoor unit Select the indoor unit of which the louver is set EXAMPLE 1 0000 17002 7 s 3 Press Bl SET button determination of indoor unit Selected indoor unit is fixed In case the louver No to be set is uncertain EXAMPLE set any louver temporarily 1 001 displayed for two seconds The louver will swing once when the setting is completed and it is possible to confirm MALMO the louver No and the position P el a After that choose the correct louver No and N set the top and bottom position 4 Press A or V button selection of louver No Select the louver No to be set according to the right figure re 0h2 Press I SET button Determination of louver No The louver No to be set is confirmed and the display shows the upper Emit of the movable range EXAMPLE if No louver is selected No l UPPER 7 current upper limit position 6 Press A or button selection of upper limit position Seloct the upper limit of louver movable range position 1 is the most horizontal and position 6 is the most downward position is to return to the factory setting If you need to change the setting to the default setting use position Y the most horizontal NaI UPPERS 2 most downwards IPPFR rotuen to the default setting Press SET button iin of the upper limit position The upper limit position is fixed and the setting position is displayed for
332. ndoors otherwise it may cause dew condensation and water leakage 3 After drainage test implementation cover the drain socket part with pipe cover small size then use the pipe cover big size to cover the pipe cover small size clamps and part of the drain hose and fix and wrap it with tapes to wrap and make joint part gapless The position for drain pipe outlet can be raised up to 700mm above the ceiling Use elbows for installation to avoid obstacles inside ceiling If the horizontal drain pipe is too long before vertical pipe the backflow of water will increase when the unit is stopped and it may cause overflow of water from the drain pan on the indoor unit In order to avoid overflow keep the horizontal pipe length and offset of the pipe within the limit shown in the figure below 295 to 325mm 100 less Drain hose 700mm or less Joint VP 20 Prepare on site Drain pipe continued After installation of drain pipe make sure that drain system work in good condition and no water leakage from joint and drain pan Check if the motor sound of drain pump is normal or not Do drain test even if installation of heating season For new building cases make sure to complete the test before hanging the ceiling 1 Pour water of about 1000cc into the drain pan in the indoor unit by pump so as not to get the electrical component wet Make sure that water is drained out properly and there is no
333. nfrared receiver is exposed to the direct sunlight or the strong light beam case of the infrared specification unit Locations where an equipment affected by high harmonics is placed TV set or radio receiver is placed within Sm Locations where drainage cannot run off safely R can affect performance or function and etc 00 not put any valuables which will break down by getting wet under the air conditioner Condensation could drop when the relative humidity is higher than 80 or drain pipe is clogged and it damages user s beloagings Do not use the base frame for the outdoor unit which is corroded or damaged after a long period of use It could cause the unit falling down and injury Pay attention not to damage the drain pan by weld sputter when brazing work is done near the unit sputier entered into the unit during brazing work it could cause damage pinhole of drain pan and leakage of water To avoid damaging keep the indoor unit packed or cover the indoor unit Install the drain pipe to drain the water surely according to the installation manual Improper connection of the drain pipe may cause dropping water into room and damaging user s belongings Do not share the drain pipe for indoor unit and GHP Gas Heat Pump system outdoor unit Toxic exhaust gas would flow into room and it might cause serious damage some poisoning or deficiency of oxygen to user s health and safety Be sure to perform air tightnes
334. ng S If there are 2 units of wireless type keep them away for more than 6m to avoid malfunction due to cross communication When plural indoor units are installed nearby keep them away for more than 4 to 5m Space for installation and service When it is not possible to keep enough space between indoor unit and wall or between indoor units close the air supply port where it is not possible to keep space and confirm there is no short circuit of airflow install the indoor unit at a height of more than 2 5m above the floor 4000 to 5000mm or more 2500mm more Set blow out pattern Select the most proper number of blow out air supply port direction from 4 way 3 way or 2 way according to the shape of the room and installation position 1 way is not available if it is necessary to change the number of air supply port prepare the covering materials sold as accessory instruct the user not to use low fan speed when 2way or 3way air supply is used Do not use 2way air supply port under high temperature and humidity environment Otherwise it could cause condensation and leakage of water it is possible to set the airflow direction port by port independently Refer to tne user s manual for details 10 PAC SM 137 before installation 9 suspension bolt becomes longer do reinforcement of earthquake resistant grid ceiling When suspension bolt length is over 500mm or
335. ng cycle on installation or removal of the air conditioner Locations where an equipment affected by high harmonics is placed TV set or radio receiver is placed within Sm Locations where drainage cannot run off safely M air is mixed in the pressure in the cooling cycle will rise abnormally and may cause explosion and injuries It can affect performance or function and ete 98 sure to have the electrical wiring work done by qualified electrical installer and use exclusive circuit Do not put any valuables which will break down by getting wet under the air conditioner Power source with insufficient capacity and improper work can cause electric shock and fire Condensation could drop when the relative humid is higher than 80 or drain pipe is dogged and it damages user s belongings Use specified wire for electrical wiring fasten the wiring to the terminal securely and hold the cable securely in Do not use the base frame for the outdoor unit which is corroded or damaged after a long period of use It could cause the unit falling down and injury order not to apply unexpected stress on the terminal Pay attention not to damage the drain pan by weld sputter when brazing work is done near the unit Loose connections or hold could result in abnormal heat generation or fire Arrange the electrical wires in the control box properly to prevent them from rising Fit the lid of the services H sputter entered into th unit during brazing work it could
336. ng the applying the current would cause the electric shock unit failure or improper running It would cause the damage of connected equipment such as fan motor etc Fasten the wiring to the terminal securely and hold the cable securely so as not to apply unexpected stress on the terminal Loose connections or hold could result in abnormal heat generation or fire Check the connection of wiring to PCB correctly before turning on the power after replacement Defectiveness of replacement may cause electric shock or fire A CAUTION In connecting connector onto the PCB connect not to deform the PCB It may cause breakage or malfunction Insert connecter securely and hook stopper It may cause fire or improper running Bundle the cables together so as not to be pinched or be tensioned It may cause malfunction or electric shock for disconnection or deformation 34 10 PAC SM 137 Model FDT FDTC series PSB012D931F Control PCB Replace and set up the PCB according to this instruction Set to an appropriate address and function using switch on PCB Select the same setting with the removed PCB Content of control Address Plural indoor units control by 1 remote controller Master Siave _ ___ Meser Slave Slave Slave die pom oe 365 E eee Test run OFF m Sw6 1 2 3 4 1 2 0 Ojo 26 e ec 74V setting fro
337. nit group When both wired and wireless remote controller are used It is necessary to set wired or wireless remote controller as slave For the method of changing the setting refer to the installtion manual attached to remote controller or wireless kit When wired remote controller are used only wireless type It is necessary to remove the line that is connected to the receiver Remove signal line connected to the receiver from primary side of terminal block X Y ATTENTION Insulate with tape the removed line 2 The LED of that removed connector will not be able to make any indication Remove the line 129 5 Installation of indoor unit Work procedure 1 Select the suspension bolt locations and the pipe hole location 1 Use enclosed paper pattern as a reference and drill the holes for the suspension bolts and pipe 3KDecide the locations based on direct measurements 2 Once the locations are properly placed the paper pattern can be removed Install the suspension bolts in place Fix with 4 suspension bolts which can endure load of 500N Check the measurements given at the right figure for the length of the suspension bolts Paper pattern Ceiling Hanging plate Suspension bolt 25 mm or more 45 mm or less Fasten the hanging plate onto the suspension bolts Air supply When installed against a ceiling material No ceiling material to install aga
338. nit The pump continues to run for 5 minutes after stopping the cooling operation This is normal knot bad durngoolng or fer tobg Apply the damper sealant at places considered to be the sources such as the pressure reducing mechanism expansion valve capillary etc Note 10 e PAC SM 137 9 Error code Remote controller None LED Green Red Indoor Outdoor Excessive noise vibration 3 3 J 1 Applicable model 5 Troubleshooting All models Diagnosis Countermeasure 2 Error detection method 3 Condition of Error displayed 4 Presumable cause 2 3 Ajsment durhggomm nng Doesnositon occur bn th coolnBtngoprton in aombouscondion If insufficient cooling heating problem happens due to anomalous operating conditions at cooling heating followings are suspicious Overcharge of refrigerant Insufficient charge of refrigerant Intrusion of air nitrogen etc In such occasion it is necessary to recover refrigerant vacuum dry and recharge refrigerant Since there could be many causes of noise vibration the above do not cover all In such case check the conditions when where how the noise vibration occurs according to following check point Indoor outdoor unit Cooling heating fan mode Startup s
339. nit installation spaces Short circuit of air on indoor outdoor units Fouling clogging of heat exchanger Excessive refrigerant amount Diagnosis Countermeasure For the characteristics of outdoor heat exchanger temperature Are the thermistor refer to E37 characteristics of outdoor heat exchanger NO temperature thermistor normal YES Is the unit operating in the state of cooling overload YES NO Is the high pressure control normal NO YES the temperature measured actually at detection of error correct NO YES For the contents of control refer to the protective control by controlling compressor rotation speed and cooling high pressure protective control of micro computer control function for corresponding models Replace outdoor heat exchanger temperature thermistor Check unit side sn t the air circulation of outdoor unit short circuited Are installation spaces adequate sn t there any fouling or clogging on heat exchanger Control operation check Defective outdoor control PCB Replace Excessive refrigerant amount Recharge refrigerant by weighing proper amount on a scale Note 10 PAC SM 137 Error code Remote controller E36 LED Green Red Indoor Keeps flashing Stays OFF Outdoor Keeps flashing 1 time flash
340. nit heat exchanger temp Note 1 Adaptation to existing piping is at ON Anomalous stop control Operation control function by the indoor unit controller See the heating overload protection page 10 Adaptation to existing piping stop control If the existing piping adaptation switch SW5 1 SW8 1 71 type is turned ON the compressor stops to protect existing piping when the indoor unit heat exchanger temperature Thi R exceeds the setting value Compressor stop Reset 4 8 Indoor unit heat exchanger temp C d Anomaly detection control by the high pressure switch 63H1 1 2 If the pressure rises and operates the high pressure switch opens at 4 15MPa closes at 3 15MPa the compressor stops Under any of the following conditions E40 is displayed and it enters the anomalous stop mode a When it occurs 5 times within 60 minutes that pressure rises and the compressor is stopped by 63H1 b When 63HI has been in the open state for 60 minutes continuously including the stop of compressor e Low pressure control 1 2 Protective control If the value detected by the low pressure sensor LPT exceeds the setting value the compressor speed frequency is controlled to restrain the drop of pressure Reduces compressor frequency at every 30 seconds 1 Retention Reset 0 150 0 189 Low pressure MPa Anomalous stop control 3 When a value detected by the low pressure sensor LPT sa
341. nnect the connector for panel switch Hold the wiring by using the clamps of the indoor unit Connect CNV red inside the control box H the air retum grill is opened the panel switch is turned off so that the air conditioner cannot be operated any more To start the air conditioner close the air return grill Attaching a corner panel 1 To avoid unexpected falling of the corner panel put the strap onto the corner panel s pin with tuming the strap up 2 Then hang the strap of a corner panel onto the decorative panel s pin of a corner panel into the part of the decorative panel and then engage four hooks How to set the airflow direction it is possible to change the movable range of the louver on the air outlet feom the wired remote controller Once the top and bottom position ia sat the louver wil swing within the range between the top and the botiom when swing operation is chosen R is also possible to apply different setting 10 each louver 1 Stop the air conditioner and press set button and LOUVER button simultaneously for three seconds or more The following is displayed the number of the indoor unite connected to the remote controler is one Go to step 4 SON The following is daplayed if the number of the indoor units connected to the remote controller are more than one Orma IA 4 2 Press A or Y button selection of indoor unit Select the indoor unit of which the louv
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344. nsistor P terminal N Power transistor N terminal U End of red harness to compressor V End of white harness to compressor W End of black or blue harness to compressor Check for a power transistor short circuit When you do not have a diagnostic checker for judging if the inverter 18 defective measure between the terminals of the power transistor parts judge whether the power transistor is defective or not Disconnect the compressor then measure with the controller incorporated Normal values Terminal Terminal Model Model 71 C 100 140 0 Approx 1 M Numerical Approx value rises 300 400 Approx 650 k Approx 1 2 M Approx 670 Approx 4 4 M Approx 13 M Approx 44 M Approx 650 k Approx 4 8 M Approx 4 9 M Ifthe measured values range from 0 several kW there is a possibility that the elements are damaged so replace the power transistor parts Several M Numerical value rises 10 PAC SM 137 8 Inverter checker for diagnosis of inverter output Checking method a Setup procedure of checker 1 Power OFF Turn off the breaker 2 Remove the terminal cover of compressor and disconnect the wires U V W from compressor 3 Connect the wires U Red V White and W Black of checker to the terminal of disconnected wires U V W from compressor respectively b Operation for judgment 1 Power ON after JSW10 4 on outdoor inverter PCB was turned ON 2 Afte
345. nstall the removed parts back to original place Earth Shielded cord Muth unt wiring connection 9 Check list after installation Check the following items after all installation work completed Expected trouble Falling vibration noise Insufficient capacity The indoor and outdoor units are fixed securely Inspection for leakage is done Insulation work is properly done Water leakage Water is drained properly Water leakage Supply voltage is same as mentioned in the model name plate PCB burnt out not working at all There is mis wiring or mis connection of piping PCB burnt out not working at all Earth wiring is connected properly Electric shock Cable size comply with specified size PCB burnt out not working at all Any obstacle blocks airflow on air inlet and outlet Insufficient capacity 10 selection on blower unit when the high peformance filter is used Following table shows the maximum external static pressure for models adapted to the fan setting speed Hi UH Select at site the fan setting speed according to the external static pressure 50 60Hz Multi type 71 90 140 112 Single type 60 71 125 140 100 Fan Hi 60 60 60 60 Speed 85 100 90 100 Unit Pa A CAUTION Taps should not be used under external static pressure mentioned above Dew condensation may occur with the unit and wet the ceiling or furniture Do not use under ext
346. ntroller Temperature 0 gt Replace Defective remote controller temperature thermistor input circuit Resistance value kQ Note After 10 seconds has passed since remote controller thermistor was switched from valid to invalid E28 will not be displayed even if the thermistor harness is disconnected At same time the thermistor which is effective is switched from remote controller thermistor to indoor return air temperature thermistor Even though the remote controller thermistor is set to be Effective the return air temperature displayed on remote controller for checking still shows the value detected by indoor return air temperature thermistor not by remote controller temperature thermistor 80 10 PAC SM 137 Error code Remote controller E34 LED Green Red Outdoor Keeps flashing 1 time flash Indoor Keeps flashing Stays OFF Open L3 phase on power supply 3 phase model only I Applicable model 5 Troubleshooting 3 phase model only 2 Error detection method When 0V is detected on any of L1 L2 L3 for 5 seconds continuously after turning power on 3 Condition of Error displayed Same as above 4 Presumable cause Anomalous power supply Blown power supply fuse Defective noise filter Defective wire connection on noise filte
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348. o use a circulator if the ceiling height is over 3m to avoid warm air being accumulated on the ceiling Areas where there is enough space to install and service Areas where it can be drained properly Areas where drain pipe descend ing slope can be taken Areas where there is no obstruction of airflow on both air return grille and air supply port Areas where fire alarm will not be accidentally activated by the air conditioner Areas where the supply air does not short circuit Areas where it is not influenced by draft air Areas not exposed to direct sunlight Areas where dew point is lower than around 23 C and relative humidity is lower than 80 This indoor unit is tested under the condition of JIS Japan Industrial Stan dard high humidity condition and confirmed there is no problem How ever there is some risk of condensation drop if the air conditioner is oper ated under the severer condition than mentioned above Areas where TV and radio stays away more than 1m It could cause jamming and noise Areas where any items which will be damaged by getting wet are not placed such as food table wares server or medical equipment under the unit Areas where there is no influence by the heat which cookware generates Areas where not exposed to oil mist powder and or steam directly such as above fryer Areas where lighting device such as fluorescent light or incandescent light doesn t affect the operation
349. oid unexpected stress to the copper pipe and then remove them When fastening the flare nut align the refrigeration pipe with the center of flare nut screw the nut for 3 4 times by hand and then tighten it by spanner with the specified torque mentioned in the table below Make sure to hold the pipe on the indoor unit securely by a spanner when tightening the nut in order to avoid unexpected stress on the copper pipe Cover the flare connection part of the indoor unit with attached insulation material after a gas leakage inspection and tighten both ends with attached straps Make sure to insulate both gas pipes and liquid pipes completely 3K Incomplete insulation may cause dew condensation or water dropping Refrigerant is charged in the outdoor unit As for the additional refrigerant charge for the indoor unit and piping refer to the installation manual attached to the outdoor unit Pipe diameter Tightening torque N m Strap Accessory 6 35 141018 9 52 3410 42 12 7 49 to 61 15 88 68 to 82 19 05 100 to 120 Pte Accessory The thickness of insulation should be 20mm or more Drain pipe Caution Install the drain pipe according to the installation manual in order to drain properly Imperfection in draining may cause flood indoors and wetting the household goods etc Do not put the drain pipe directly into the ditch where toxic gas such as sulfur the other harmful a
350. ol PCB Defective motor input circuit Replacement of PCB Keeps Installation or operating Low pressure error Service valve closing operation Repair flashing condition E 9 Stays OFF Keeps ti Keeps Anomalous low pressure broken wire of low pressure sensor or poor Replacement repair of 94 95 ays lashing ashing P connector connection Sensor Outdoor control Defective outdoor control PCB Defective sensor input circuit eria control 2 times flash E 5 i Stays OFF ws time or Inverter PCB Anomalous inverter Replacement of PCB 96 6 times flash Suction pipe Defective suction pipe temperature thermistor broken wire or poor connector Replacement repair of temperature thermistor connection temperature thermistor E 5 3 Stays OFF ye time d R TIRE 97 Outdoor control PCB Defective outdoor PCB Defective thermistor input circuit ep T PCR cono Keeps Low pressure sensor Defective low pressure sensor Replacement of sensor E 5 u Stays OFF a ji time flash m flashing v Replacement of control 98 5 E Outdoor control Defective outdoor control PCB Defective sensor input circuit PCB n Keeps Keeps Operation status Shortage in refrigerant quantity Repair E 5 i Stays OFF flas ing time eag ing Service valve opening 99 Installation status Service valve closing operation chiedk Keeps 5 times Keeps Stays
351. ol function for corresponding models NO temperature thermistor Insufficient refrigerant amount Recharge refrigerant by weighing proper amount on a scale Control operation check Defective outdoor control PCB Replace Check unit side sn t filter clogged Are adequate indoor outdoor unit installation spaces sn t there any short circuit of air sn t there any fouling clogging on indoor heat exchanger Note 10 PAC SM 137 9 Error code Remote controller E37 LED Green Red Indoor Keeps flashing Stays OFF Outdoor Keeps flashing 1 time flash Outdoor heat exchanger temperature themistor anomaly I Applicable model 5 Troubleshooting models Diagnosis Countermeasure 2 Error detection method Detection of anomalously low temperature resistance on the outdoor heat exchanger temperature thermistor 3 Condition of Error displayed When the temperature thermistor detects 50 C or lower for 20 seconds continuously within 2 minutes to 2 minutes 20 seconds after the compressor ON the compressor stops After 3 minutes delay the compressor starts again automatically but if this anomalous temperature 1s detected 3 times within 40 minutes When 50 or lower is detected for 5 seconds continuously within 20 second after compressor ON 4 Presumable cause Defective ou
352. om entre b 1908 ps touchgh thetc Pduct Doesositon Ishre occur fom oprt g or louver touchgpthr fi f only If excessive noise vibration persists when sufficient time has elapsed after stopping the unit it is considered that the air conditioner is not the source Check the installed condition carefully and correct the position or insert rubber cushions or others into the gap if necessary Prevent the vibration from transmitting to wall and etc by fixing pipes on the wall or wrapping rubber cushion around the pipe which goes through the hole in the wall or applying other appropriate means Strength of ceiling wall floor etc may be insufficient Review the installing position or reinforce it Check for leaning of installed unit or anomalous mounting of fan louver or motor and specify the contacting point and correct it When the heat exchanger or filter is clogged clean them In case that the unit is installed at the site where background noise is very low small noise from indoor unit can be heard but it is normal Before installation check for background noise If backgound nois is very low convince client prior to installation Note 10 PAC SM 137 9 Error code Remote controller None LED Green Red Indoor Outdoor Excessive noise vibration
353. ommand signal for reducing compressor frequency from indoor unit No 8 is displayed 6 Low pressure protection control 7 Low pressure anomaly 26 6 e 2 8 Anti frost prevention control 27 6 9 Current cut P 27 6 g 10 Power transistor protection control P 27 6 11 Power transistor anomaly Overheat P 27 6 i 12 Compression ratio control P 26 6 f 13 Spare 14 Dewing prevention control P 28 6 D 15 Current safe control of inverter secondary current 27 6 16 Stop by compressor rotor lock 17 Stop by compressor startup failure P 28 6 q 10 PAC SM 137 6 Inspection display of wireless specification model FDEN FDT a Display 1 FDEN Series Romote controller signal receiving part Backup switch TIMER CHECK RUN Operation display light Green Lights continuously Under air conditioner operation S Keeps flashing Under heating preparation At the time of heating operation 3 time flash Under reception of a remote controller signal Timer Check display light Yellow e Lights continuously Under timer operation Check monitor 0 5 seconds lighting 0 5 seconds stays At the time of anomalous Error code display E1 E60 2 seconds lighting 1 second stays OFF Filter sign 2 FDT Wireless kit
354. ontrol Defective low pressure Note 98 10 PAC SM 137 Error code Remote controller E57 LED Green Red Indoor Keeps flashing Stays OFF Outdoor Keeps flashing time flash Insufficient refrigerant amount or detection of service valve closure 1 Applicable model 5 Troubleshooting All models 2 Error detection method Judge insufficient refrigerant amount by detecting the temperature differnce between indoor heat exchanger ThI R and indoor return air ThI A t detects at initial startup in cooling or dehumidifying mode after power ON In case of model 71 it cannot detect 3 Condition of Error displayed When the insufficient refrigerant amount is detected 3 times within 30 minutes In case of Models 100 140 it makes anomalous stop at initial detection 4 Presumable cause Defective indoor heat exchanger temperature thermistor Defective indoor return air temperature thermistor Defective indoor control PCB nsufficient refregerant amount Diagnosis Countermeasure Is the service valve fully NO Open fully opened YES connections of indoor heat exchanger and or return air NO gt Correct indoor heat temperature thermistor Connectors OK exchanger return air temperature thermistor connector connections YES Are the characteristi
355. ontrols excluding the low pressure control anti frost control and dewing prevention control is effective 5 Outdoor unit fan is controlled as usual 6 Electronic expansion valve is fully opened b Control ending conditions Stop control is initiated depending on any of the following conditions 1 Low pressure of 0 087MPa or lower is detected for 5 seconds continuously a Red LED Light Green LED Flashing Remote controller Displays stop b Itis possible to restart when the low pressure is 0 087MPa or higher c Electronic expansion valve cooling heating is kept fully open 2 Stop by the error detection control a Red LED Flashing Green LED Flashing b Restart is prohibited To return to normal operation reset the power supply c Electronic expansion valve cooling heating is left fully open 3 When the cumulative operation time of compressor under the pump down control becomes 5 minutes a Red LED OFF Green LED Flashing Remote controller Stop b Itis possible to pump down again c Electronic expansion valve cooling heating is left fully open Note 1 After the stop of compressor close the operation valve at the gas side Caution Since pressing the pump down switch cancels communications with the indoor unit the indoor unit and the remote controller display Transmission error ES This is normal 10 PAC SM 137 Drain pan ON OFF output control optional Models 100 140 only 1 Drain pan heate
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358. or anomaly Insufficient refrigerant amount or detection of service valve closure Compressor startup failure 1 tA wile 55 56 57 58 59 61 62 63 64 65 70 71 72 73 74 75 76 77 78 79 81 82 83 84 85 87 1 2 3 7 00 elo Un N 2 10 PAC SM 137 Troubleshooting Error code LED Green Red Content Remote controller None Indoor Keeps flashing Stays OFF Outdoor Keeps flashing Stays OFF Operates but does not cool 1 Applicable model 5 Troubleshooting All models 2 Error detection method 3 Condition of Error displayed 4 Presumable cause Poor compression of Diagnosis Countermeasure Check the indoor unit fan operation Check the temperature differnce between return and supply air It is normal This unit is designed to Does the heat load increase after installtion temperature differnce between return and supply air 10 20degC at cooling NO gt YES NO 4 Mistake in model selection Calculate heat load once more Is the compressor operating f WAIT Message is displayed for 3 seconds when performing cooling defrosting and heating operations from the remote controller YES NO gt Is the compressor rotation speed low NO YES Y
359. or connecting VP 20 pipe adhere and connect the joint to the drain hose the end made of rigid PVC and adhere and connect VP 20 pipe prepare on site for drain pipe apply VP 20 made of rigid PVC which is on the market Make sure that the adhesive will not get into the supplied drain hose It may cause the flexible part broken after the adhesive is dried up and gets rigid The flexible drain hose is intended to absorb a small difference at installation of the unit or drain pipes Intentional bending expanding may cause the flexible hose broken and water leakage PL X X Make sure to make descending slope of greater than 1 100 and do not make up down bend and or trap in the midway Q Pay attention not to give stress on the pipe on the indoor unit side and support and fix the pipe as close place to the unit as possible when connecting the drain pipe Q Do nt set up air vent 15m 2m Supporting metal Trapped air will bump generate noises Air veni No trap Not X the waler Insulation material Descending greater than 1 100 As wide as possible Q When sharing a drain pipe for more than abouti 00mm one unit lay the main pipe 100mm i below the drain outlet of the unit In addition select VP 30 or bigger size for main drain pipe 30 bigger Descending slope greater than 1 100 4 Insulate the drain pipe Be sure to insulate the drain socket and rigid PVC pipe installed i
360. or inspection work it could cause electric Q shock and injury by the operating fan G Shut off the power before electrical wiring work It could cause electric shock unit failure and improper running Perform earth wiring surely Do not connect the earth wiring to the gas pipe water pipe lightning rod and telephone earth eq wiring Improper earth could cause unit failure and electric shock due to a short circuit Earth leakage breaker must be installed If the earth leakage breaker is not installed it can cause electric shocks Make sure to install earth leakage breaker on power source line countermeasure thing to high harmonics Absence of breaker could cause electric shock Use the circuit breaker of correct capacity Circuit breaker should be the one that disconnect all poles under over current Using the incorrect one could cause the system failure and fire Do not use any materials other than a fuse of correct capacity where a fuse should be used Connecting the circuit by wire or copper wire could cause unit failure and fire Use power source line of correct capacity Using incorrect capacity one could cause electric leak abnormal heat generation and fire Do not mingle solid cord and stranded cord on power source and signal side terminal block In addition do not mingle difference capacity solid or stranded cord Inappropriate cord setting could cause loosing screw on terminal block bad electrical
361. ot pass CPU surrounding about wirings Control PCB Parts mounting are different by the kind of PCB CNWO Red SW2 Blue Part number Power source Address setting CNW1 White Primary transformer fo SW5 Master Slave setting 52 wi Ln x CNM3 White afe m o Fan motor Wi M 2 1 a Tu EXER eium CNJ2 Blue 4 Louver motor dom I lf s Sy ED TIEMIE aS p a iw yu nr 5054198 GD CNR White Drain pump CHR B CNJ White Lover motor Pulse Float SW CNO Red CNT Blue Option CNI Blue CNS Blue Louver SW CNV Black CNH Black Thermistor Return air 8 2 o lt H exchanger 3 2 gt 3 8 GEJ ES mmus CNW2 Black Secondary transformer CNB White Remote controller 10 PAC SM 137 switch setting list SW2 i SW2 Address No setting at plural indoor units control by 1 R C 0 10 7 SW5 1 Master Slave settin Master Slave See table 2 SW5 2 s SW7 1 Normal Test run SW72 Reserved CFF SWe 1 SW6 2 SW63 Model selection As per model See table 1 SW6 4 Default setting Table 1 Indoor unit model selection with SW6 1 SW6 4 0 O
362. ote PCB Defective network controller LCD returned to NO gt communication circuit 9 normal state Replace YES Unit is normal Malfunction by temporary noise etc Note Pressing the pump down switch cancels communications between indoor and outdoor unit so that communication error E5 is displayed on indoor unit and remote controller but it is normal 10 PAC SM 137 Error code Remote controller E6 LED Green Red Indoor Keeps flashing 1 time flash Outdoor Keeps flashing Stays OFF Indoor heat exchanger temperature thermistor anomaly 1 Applicable model 5 Troubleshooting All models 2 Error detection method Anomalously low temperature or high temperature resistance is detected on the indoor heat exchanger thermistor ThI R1 R2 or R3 3 Condition of Error displayed When the temperature thermistor detects 50 28 C or lower for 5 15 seconds continuously the compressor stops After 3 minutes delay the compressor starts again automatically but if this error occurs again within 60 minutes after the initial detection Note 1 Value in are for the models SRK 50 60 Or if 70 C or higher is detected for 5 seconds continuously FDTC FDT FDEN FDUM FDU series only 4 Presumable cause Defective indoor heat exchanger thermistor connector Indoor heat exchanger tempe
363. ough the auto swing stop position and the timer mode are cancelled the weekly timer setting is restored with the holiday setting for all weekdays After recovering from the power failure it readjusts the clock and resets the holiday setting for each weekday so that the setting of weekly timer becomes effective e Content memorized with the power failure compensation are as follows Note 1 Items and are memorized regardless whether the power failure compensation is effective or not while the setting of silent mode is cancelled regardless whether the power failure compensation is effective or not At power failure Operating stopped If it had been operating under the off timer mode sleep timer mode the state of stop is memorized Although the timer mode is cancelled at the recovery from power failure the setting of weekly timer is changed to the holiday setting for all weekdays Operation mode Airflow volume mode Room temperature setting Louver auto swing stop However the stop position 4 position is cancelled so that it returns to Position 1 Remote controller function items which have been set with the remote controller function setting Indoor function items are saved in the memory of indoor unit Upper limit value and lower limit value which have been set with the temperature setting control Sleep timer and weekly timer settings Other timer settings are not memorized Parts layo
364. ould cause injury to be caught in the machine to get bumed or electric shock Shut off the power before electrical wiring work Mould cause electric shock unit failure and improper running A CAUTION Perform earth wiring surely Do not the earth wiring to the gas pipe water pipe lightning rod and telephone earth wiring Improper earth could cause unit failure and electric shock due to a short circuit Earth leakage breaker must be installed It the earth leakage breaker is not installed it can cause electric shocks Use the circuit breaker of correct capacity Circuit breaker should be the one that disconnect all poles under over current o Using the incorrect one could cause the system failure and fire Do not use any materials other than a fuse of correct capacity where a fuse should be used S Connecting the circuit by wire or copper wire could cause unit failure and fire Do not install the indoor unit near the location where there is possibility of flammable gas leakages OQ It the gas leaks and gathers around the unit it could cause fire Do not install and use the unit where corrosive gas such as sulfurous acid gas etc or flammable gas such as thinner petroleum etc may be generated or accumulated or volatile flammable substances are handled It could cause the corrosion of heat exchanger breakage of plastic parts etc And inflammable gas could cause fire Secure a space fo
365. ous display If you press DON OFF button during settings the mode will be ended and retum to original display and the settings that have not been completed wil become invalid When plural remote controllers are connected louver satting operation cannot be set by slave remote controlor If it is necessary to fix the louver position manually follow the procedure mentioned below 1 Shut off the main power switch 2 Unplug the connector of the louver motor which you want to fix the position Make sure to insulate unplugged connectors electrically with a vinyl tape 3 Adjust the louver position slowly by hand so as to be within the applicable range mentioned below table Range of louver setti Vertical airflow direction Dimension mm can be set between 26 43mm freely Any automatic control or operation from the remote controller will be disabled on the louver whose position is fixed in the above way Do not set louver beyond the specified range Failure to observe this instruction may result in dripping dew condensation the fouling of the ceiling and the malfunctioning of the unit Attaching the air return grille To attach the air return grille follow the procedure described in in the reverse order 1 Hang the hooks of the air return grille in the hole of the panel The hooks of the grille can be hanged in three side of the panel as following 2 After the grille is hanged close the grille whil
366. ous stop E16 Plural unit control Control of 16 units group by one remote controller Function One remote controller switch can control a group of multiple number of unit Max 16 indoor units Operation mode which is set by the remote controller switch can operate or stop all units in the group one after another in the order of unit No Thermostat and protective function of each unit function independently Note 1 Unit No is set by SW2 on the indoor unit control PCB Unit No setting by SW2 is necessary for the indoor unit only In cases of the twin triple and double twin specification it is necessary set for the master and the slave units This can be selected by SW5 are set for the master unit at the shipping from factory SW2 For setting of 0 9 A F SWS For setting of master and slave units See table shown at right SWS setting Master unit Slave unit a Slave unit b Slave unit c Outdoor unit Signal wiring between outdoor unit and indoor units Refrigerant piping Indoor unit Remote controller wiring Remote controller 2 Unit No may be set at random unless duplicated it should be better to set orderly like 0 1 2 F to avoid mistake 2 Display to the remote controller a Center or each remote controller basis heating preparation the youngest unit No among the operating units in the remote mode or the center mode unless the remote mode
367. outdoor unit fan and the outdoor unit fan is at the tap 1 speed the outdoor unit fan speed is controlled according to the outdoor unit heat exchanger temperature Tho R1 R2 Note 1 It is detected with Tho R1 or R2 whichever the higher Outdoor unit fan speed 10min zone Retained Outdoor unit fan speed zone Omin 5 10 20 30 Outdoor air temp Outdoor unit heat exchanger temp f 9 2 3 4 10 e PAC SM 137 The outdoor unit heat exchanger temperature is detected always and when the number of revolutions of the outdoor fan speed has been increased or decreased there is no change of fan speed for 20 seconds Rage of the outdoor unit fan speed under this control is as follows a Lower limit 130rpm b Upper limit 500rpm As any of the following conditions is established this control terminates a When the outdoor air temperature is in the zone and the outdoor unit heat exchanger temperature at 30 or higher is established for 40 seconds or more continuously b When the outdoor fan speed is 500rpm and the outdoor unit heat exchanger temperature at 30 C or higher is established for 40 seconds or more continuously c When the outdoor unit heat changer temperature at 45 C or higher is established for 40 seconds or more Outdoor unit fan control by the power transistor radiator fin temperature When all the following conditions are established later than 3 minutes afte
368. peed x ul LOADING blinking indication appears while data loaded Next the operation data of the indoor unit is indicated 7 Upon operation of the W button the current operation data is displayed in order from data number 01 The items displayed are in the above table 3KDepending on models the items that do not have corresponding data are not displayed 8 To display the data of a different indoor unit press the AIR CON button which allows you to back to the indoor unit selection screen 9 Pressing the DON OFF button will stop displaying data Pressing the 27 RESET button during remote control unit operation will undo your last operation and allow you to go back to the previous screen two 2 remote controllers are connected to one 1 inside unit only the master controller is available for trial operation and confirmation of operation data The slave remote controller is not available Trail operation of drain pump Drain pump operation from remote control unit is possible Operate a remote control unit by following the steps described below 1 To start a forced drain pump operation Press the TEST button for three seconds or longer The display will change Z TESTRIN Y Press the W button once and cause DRAINPUMP to be displayed When the HGH SET button is pressed a drain pump op
369. perature thermistor input Outdoor control PCB rem Replacement of PC Circuit Installation or operating E u n Stays OFF Keeps Keeps condition Rising high pressure Operation of 63H1 Service valve closing operation Repair lashin flashin u d 2 Outdoor control Defective outdoor control PCB Defective 63H input circuit Replacement of PC 2 times flash i Stays OFF time ed Inverter radiator ower transistor overheat Single phase modelonly Rep PCB 88 Keeps 6 times flash flashing m 1 time flash Outdoor PCB Current cut Anomalous compressor over current Replacement of E ug Stays OFF Keeps time Keeps or 89 90 7 ashing flashing i Installation or operating A s R 5 times flash e Service valve closing operation Repair condition Keeps Keeps Keeps Outdoor control Anomalous outdoor control PCB communication Sene Sung E 45 Stays OFF asl ing fime flas flashing flashing 91 Inverter PCB Anomalous inverter PCB communication Replacement of PCB E Slays OFF Keeps time flas Kee 5 7 times flash Inverter PCB Defective outdoor inverter PCB Model FDC 71 Replacement 92 I lashing ashing activefilter Defective active filter of control Keeps Keeps Outdoor fan motor Anomalous outdoor fan motor Replacement repair Stays OFI ME time flash 93 ashing ashing Outdoor control Defective outdoor contr
370. perty 1 Improper fitting may cause abnormal heat and fire Check for refrigerant gas leakage after installation is completed If the refrigerant gas leaks into the house and comes in contact with a fan heater a stove or an oven toxic gas is produced Use the specified pipe flare nut and tools for R410A Using existing parts R22 could cause the unit failure and serious accident due to explosion of the cooling oyde Tighten the flare nut according to the specified method by with torque wrench o Ifthe flare nut were tightened with excess torque it could cause burst and refrigerant leakage after a bag period Obo not put the drainage pipe directly into drainage channels where poisonous gases such as sulfide gas can occur Poisonous gases will flow into the room through drainage pipe and seriously affect the user s health and safety This can also Cause the corrosion of the indoor unit and a resultant unit failure or refrigerant leak Connect the pipes for refrigeration circuit securely in installation work before compressor is operated If the compressor is operated when the service valve is open without connecting the pipe it could cause explosion and injuries due to abnormal high pressure in the system Stop the compressor before removing the pipe after shutting the service valve on pump down work Wi the pipe is removed when the compressor is in operation with the service valve open air would be mixed in the refrigeration circ
371. play the data of a different indoor unit press the AIR CON button which allows you to go back to the indoor unit selection screen Pressing the DON OFF button will stop displaying data Pressing the RESET button during remote control unit operation will undo your last operation and allow you to go back to the previous screen If two 2 remote controllers are connected to one 1 inside unit only the master controller is available for trial operation and confirmation of operation data The slave remote controller is not available G Details of Compressor protection status No 33 Contents of display In case of FDC100 140 refer to Note 1 Operation data display on the remote controller 0 Normal Data is dispalyed until canceling the protection control 1 Discharge pipe temperature protection control 25 6 a 1 In case of multiple protections controlled only the younger No is displayed Note 2 Common item P25 6 a 2 D In heating mode 2 Discharge pipe temperature anomaly 3 Current safe control of inverter primary current P 27 6 g During protection control by the command signal for reducing compressor A High pressure protection control P 25 6 b 1 P 26 6 c 1 frequency from indoor unit No 4 is displayed 5 High pressure anomaly 25 6 b 2 2 In cooling and dehumidifying mode P 26 6 9 1 During protection control by the c
372. played When it is detected 5 times within 60 minutes from initial detection or when the overload condition is detected for 6 minutes continuously 4 Presumable cause Clogged air filter Defective indoor heat exchanger temperature thermistor connector Defective indoor heat exchanger temperature thermistor Anomalous refrigerant system Is the air filter clogged YES indoor heat exchanger temperature thermistor connection OK NO YES Are the Q characteristics of indoor heat exchanger temperature thermistor OK NO gt YES Check the error data with the remote controller Is the unit operating in the state of heating overload YES v Note 1 Judge if it is in the state of overload or not as follows s there any short circuit of air sn t there any fouling or clogging on the indoor heat exchanger Is the outdoor fan control normal sn t the room and outdoor air temperature too high Note 2 For characteristics of indoor heat exchanger temperature thermistor see the error display E6 Error stop Reset 56 63 Indoor heat exchanger temperature Wash Defective indoor heat exchanger temperature thermistor connector Correct Defective indoor heat exchanger temperature thermistor Check refrigerant system Adjust Note During heating operation After starting compressor
373. protecting Compressor protection compressor or other respective parts Indoor fan tap e Valid setting of silent mode Note 10 PAC SM 137 Error code Remote controller None LED Green Red Indoor Keeps flashing Stays OFF Outdoor flashing Stays OFF Operates but does not heat J 1 Applicable model 5 Troubleshooting models 2 Error detection method 3 Condition of Error displayed 4 Presumable cause Faulty 4 way valve operation Poor compression of Diagnosis Countermeasure Check the indoor unit fan operation Check the temperature differnce between return and supply air It is normal Is the temperature differnce between return and supply air 10 30degC at heating Does the installtion YES NO Mistake model selection Calculate heat load once again gt Is the compressor NO operating ih WAIT 65 Message is displayed for 3 seconds when performing cooling defrosting and heating YES gt operations from the remote controller YES 15 compressor rotation NO speed low YES Check which control Determination control of conpressor rotation speed or Protective control by controlling compressor rotation speed is appropriate to this phenomenon
374. pue e Aq 1 00 e 0 13X344 e es 7 yarn ee sainseaw 2299 Aew 5 Aq 90 5 E N E NT cL 01N SHOQ S ayeyu f m d ot yenuew e91uu29 JNO 0 19431 pooy mous e jo 99eJIns J9A092 MOUS UORENEISU 10 ENIGON uonisod paxy 0 8s UO 10 eus uo jun uey si eui yeu uonejje1su 9 jopun PUN 5 E Joopjno aui 0 MOUS e Z 08 eseq au uo PUN 15 L mous aq Aew exejur pue yun ejejd woyog 34L 052 052 065 A AINUN MOUS ay AYM Base S ji L 4 oor ost 00 uonejjejsur JO ynoge uonne osz 00 aew 005 uedg uado n iun Jo ANO isurebe pum vO e ans jou pue eq jou 1 1 uonejersul ay ued
375. r Compressor is stopping 2 Compressor is operating During both and state low pressure detected at around 0MPa without any fluctuation YES Check the insulation resistance of pressure sensor e more than 10007 500V NO _ gt YES v for 60 minutes continuously And if this anomaly occurs 3 times within 60 minutes After connecting the gauge manifold on the low pressure line measure at the state above Compare the result with the value indicated on the remote controller G If low pressure sensor detects 0 079MPa or lower for 5 minutes continuously including the compressor stop status v Is the pressure difference less than 0 2MPa i NO q Connect the pressure sensor of spare part to outdoor control PCB in the condition open to To checking of refrigerant amount refrigerant circuit etc next page atmosphere 4 Presumable cause Defective outdoor control PCB Defective low pressure sensor connector Defective low pressure sensor Defective suction pipe temperature thermistor connector Defective suction pipe temperature thermistor Is the pressure OMPa displayed on the remote controller NO YES Replace low pressure sensor Defective outdoor control PCB Replace Replace low pressure sensor Note
376. r the other harmful and inflammable gas is generated Toxic gas would flow into the room and it would cause serious damage to user s health and safety some poisoning or deficiency of oxygen In addition it may cause corrosion of heat exchanger and bad smell Connect the pipe securely to avoid water leakage from the joint Insulate the pipe properly to avoid condensation drop Check if the water can flow out properly from both the drain outlet on the indoor unit and the end of the drain pipe after installation Make sure to make descending slope of greater than 1 100 and do not make up down bend and or trap in the midway In addition do not put air vent on the drain pipe Check if water is drained out properly from the pipe during commissioning Also keep sufficient space for inspection and maintenance Work procedure 1 Make sure to insert the drain hose the end mode of soft PVC to the end of the step part of drain socket Attach the hose clamp to the drain hose around 10mm from the end and fasten the screw within 5mm left to the nut Do not apply adhesives on this end Do not use acetone based adhesives to connect to the drain socket Pipe cover big For insulation Drain socket 5206 difflemce part Accessory VP20 joint Prepare on site 0 Sprain hose Fasten the screw within Pipe cover small 5 mm left to the nut Hoseclamp Drain hose Pipe cover small cover For insulation Drain socket fh For insulation
377. r 15 seconds since power has turned ON LED start ON OFF for 5 seconds cyclically and it repeats 10 times 3 Check ON OFF status of 6 LED s on the checker 4 Judge the PCB by ON OFF status of 6 LED s on the checker ON OFF If all of LED are ON OFF If all of LED stay OFF or status of LED according to following pattern some of LED are ON OFF Inverter PCB Normal Anomalous During this period ON OFF status of LED is Power ON or start check operation c repeated cyclically according to following pattern 1 2 3 10 lA 1 rt 15 sec Ssec sec 5sec Be sure to turn off JSW 10 4 on outdoor inverter PCB after finishing the check operation Inverter Checker LED LED ON OFF pattern Cyclically ON Faston terminal Connect to the terminal of the wires which are disconnected from compressor 10 PAC SM 137 t diagram lagnosis circul 9 Outdoor unit controller failure d 6 8ed JODY god ONUOS JT 10joui uv ose ooe dos Sno euroue sr J0 OUI Annunuoo oq asny c oovjdo1 UJM Joopjno uou oou osnq eAnonpuoo ISNIN HA33 TE ISed oj usejj oum
378. r ON conditions When all of following conditions are met the drain pan heater is turned ON Outdoor air temperature detected with Tho A is 3 or lower n the heating mode When the compressor is turned ON 2 Drain pan heater OFF conditions When either one of following conditions is met the drain pan heater is turned OFF Outdoor air temperature detected with Tho A is 5 or higher When the compressor stop has been detected for 30 minutes continuously n the cooling or dehumidifying mode Drain pan heater OFF Drain pan heater ON 3 5 Outdoor air temperature C Tho A 10 PAC SM 137 2 MAINTENANCE DATA 2 1 Diagnosing of microcomputer circuit 1 Selfdiagnosis function a Check Indicator Table Whether a failure exists or not on the indoor unit and outdoor unit can be know by the contents of remote controller error code indoor outdoor unit green LED power pilot lamp and microcomputer normality pilot lamp or red LED check pilot lamp i Indoor unit Remote controller Indoor control PCB Outdoor control PCB Green Green Error code Red LED Red LED LED 1 Red LED LED 1 Location of Description of trouble Repair method trouble page Keeps flashing Stays OFF stays OFF Keeps Normal operation flashing 2 times Stays OFF indoor unit power flash 2 supply emote contro oor connection breakage of remote controller wire For wire breaking at power ON the Keeps Keeps wires LED is
379. r control PCB Defective outdoor control PCB Diagnosis Countermeasure Measure the power supply voltage Is AC380 415V between respective NO Check power supply phases 1 YES Is AC380 415V detected between respective phases at the secondary side of noise filter YES Is wiring between the noise filter NO 9 Replace noise filter NO gt Connect properly and the outdoor control PCB connected properly YES Defective outdoor control y PCB Replace Note 10 PAC SM 137 Error code Remote controller E35 LED Green Red Outdoor Keeps flashing 1 time flash Indoor Keeps flashing Stays OFF Cooling overload operation I Applicable model 5 Troubleshooting models 2 Error detection method For the error detection method refer to the protective control by controlling compressor rotation speed and cooling high pressure protective control of micro computer control function for corresponding models 3 Condition of Error displayed When outdoor heat exchanger temperature anomaly is detected 5 times within 60 minutes or this anomalous state is detected 60 minutes continuously including compressor stop 4 Presumable cause Defective outdoor heat exchanger temperature thermistor Defective outdoor control PCB ndoor outdoor u
380. r installation inspection and maintenance specified in the manual Insufficient space can result in accident such as personal injury due to falling from the installation place Do not use the indoor unit at the place where water splashes such as laundry Indoor unit is not waterproof It could cause electric shock and fire Do not use the indoor unit for a special purpose such as food storage cooling for precision instrument preservation of animals plants and a work of art Q It couki cause the damage of the items Do not install nor use the system near equipments which generate electromagnetic wave or high harmonics Equipments like inverter equipment private power generator high frequency medical equipment or telecommunication equipment might influence the air conditioner and cause a malfunction and breakdown Or the air conditioner might influence medical equipments or telecommunication equipments and obstruct their medical activity or cause jamming Do not install the remote controller at the direct sunlight lt coui cause breakdown or deformation of the remote controller Do not install the indoor unit at the place listed below Places where flammable gas could leak Places where carbon fiber metal powder or any powder is floated Place where the substances which affect the air conditioner are generated Such as sulfide gas chloride gas acid akat or ammoric atmospheres Places exposed to oil mist or steam directly
381. r the start of compressor the following control is implemented 1 2 3 4 Cooling dehumidifying a Outdoor air temperature Tho A gt 33 b Compressor s actual frequency A rps c Power transistor radiator fin temperature gt Heating a Outdoor air temperature 16 b Compressor s actual frequency B rps c Power transistor radiator fin temperature gt C Control contents a Raises the outdoor unit fan tap by 1 tap b When the sampling is for 60 minutes and the value of power transistor radiator fin temperature Tho P is as follows When the power transistor radiator fin temperature Tho P C C the outdoor unit fan tap is raised by 1 speed further Q When C gt power transistor radiator fin temperature Tho P D present outdoor unit fan tap is maintained When the power transistor radiator fin temperature Tho P D C the outdoor unit fan tap is dropped by 1 speed Ending conditions When the operation under the condition of item b above and with the outdoor unit fan tap which is determined by the item b is detected 2 times consecutively Compressor s frequency and power transistor radiator fin temperature Caution at the outdoor unit fan start control When the outdoor unit fan is running at 400min before operating the compressor it may operate with the compressor only without starting up the outdoor fan This is norm
382. rain pipe I Brig 4 Insulate the drain pipe Bsendingiogpier tha 0 Be sure to insulate the drain socket and rigid PVC pipe installed indoors otherwise it may cause dew condensation and water leakage X After drainage test implementation cover the drain socket part with pipe cover small size then use the pipe cover big size to cover the pipe cover small size clamps and part of the drain hose and fix and wrap it with tapes to wrap and make joint part gapless The position for drain pipe outlet can be raised up to 600mm above the ceiling Use elbows for installation to avoid obstacles inside ceiling If the horizontal drain pipe is too long before vertical pipe the backflow of water will increase when the unit is stopped and it may cause overflow of water from the drain pan on the indoor unit In order to avoid overflow keep the horizontal pipe length and offset of the pipe within the limit shown in the figure below 295 to 325mm 100 or less Drain hose Joint for VP 20 Prepare on site S 600mm less 118 10 PAC SM 137 Drain pipe continued Panel installation After wiring work finished install the panel on the indoor unit After installation of drain pipe make sure that drain system work good condition and no water Refer to attached panel installation manual for details see next page eak
383. ral unit control Control of 16 units group by one remote controller 1 2 Function One remote controller switch can control a group of multiple number of unit Max 16 indoor units Operation mode which is set by the remote controller switch can operate or stop all units in the group one after another in the order of unit No Thermostat and protective function of each unit function independently Note 1 Unit No is set by SWI on the interface PCB Unit No setting by SWI is necessary for the interface only In cases of the twin and triple specification it is necessary set for the master and the slave units This can be selected by SW3 are set for the master unit at the shipping from factory SWI For setting of 0 9 A F SW3 For setting of master and slave units See table shown at right SW3 setting For interface PCB Unit Stavel Stave2 Outdoor unit Signal wiring between outdoor unit and indoor units Refrigerant piping Indoor unit Connection cable Interfase kit Remote controller wiring Remote controller 2 Unit No may be set at random unless duplicated it should be better to set orderly like 0 1 2 F to avoid mistake Display to the remote controller a b Center or each remote controller basis heating preparation the youngest unit No among the operating units in the remote mode or the center mod
384. rations of functional items during cooling heating Operation Cooling Heating Thermostat Thermostat Thermostat Thermostat Hot start Functional item ON OFF ON OFF Defrost Dehumidify Compressor 4 way valve x Outdoor unit fan Indoor unit fan Louver motor O x Thermostat ON i 3 Drain pump Thermostat OFF X Note 1 Operation X Stop O X Turned ON OFF by the control other than the room temperature control 2 ON during the drain motor delay control 3 Drain pump ON setting may be selected with the indoor unit function setting of the wired remote controller Dehumidifying operation Return air temperature thermistor Thi A by the remote controller when the remote controller thermistor is enabled controls the indoor temperature environment simultaneously 1 2 3 4 Operation is started in the cooling mode When the difference between the return air temperature and the setting temperature is 2 C or less the indoor unit fan tap is brought down by one tap That tap is retained for 3 minutes after changing the indoor unit fan tap If the return air temperature exceeds the setting temperature by 3 C during defrosting operation the indoor unit fan tap is raised That tap is retained for 3 minutes after changing the indoor unit fan tap If the thermostat OFF is established during the above control the indoor unit fan tap at the thermostat O
385. rature thermistor anomaly Faulty indoor control PCB Diagnosis Countermeasure Is the connection of indoor heat exchanger temperature thermistor NO connector OK YES characteristics of indoor heat exchanger temperature NO thermistor OK YES Temperature resistance characteristic Broken wire 5kQ at 25 C Temperature thermistor resistance kQ Shot circuit 0 10 20 30 40 50 Temperature C Correct Insert connector securely Defective indoor heat exchanger temperature thermistor Replace Defective indoor control PCB gt Replace Defective indoor unit heat exchanger temperature thermistor input circuit Note 10 PAC SM 137 Error code Remote controller E7 LED Green Indoor Keeps flashing 1 time flash Outdoor Keeps flashing Stays OFF Return air temperature thermistor anomaly J 1 Applicable model 5 Troubleshooting models 2 Error detection method Anomalously low temperature or high temperature resistance is detected by indoor return air temperature thermistor Thi A 3 Condition of Error displayed When the temperature thermistor detects 50 45 C or lower for 5 15 seconds continuously the compressor stops After 3 minute delay the compressor
386. reach the drain pan but leak outside Example drip on to the ceiling with consequential water leakage in the room lf vibration damping is not conducted between the unit and the duct and between the unit and the slab vibration will be transmitted to the duct and vibration noise may occur Also vibration may be transmitted from the unit to the slab Vibration damping must be performed Bad example of duct work Louver to outdoor air TUM Blair For ventilation hRefrigerant pipe Caution Use the new refrigerant pipe When re using the existing pipe system for R22 R407C pay attention to the following items Change the flare nuts with the attached ones JIS category 2 and reprocess the flare parts Do not use thin walled pipes Q Use phosphorus deoxidized copper alloy seamless pipe C1220T specified in JIS H3300 for refrigeration pipe installation In addition make sure there is no damage both inside and outside of the pipe and no harmful substances such as sulfur oxide dust or a contaminant stuck on the pipes Do not use any refrigerant other than R410A Using other refrigerant except R410A R22 etc may degrade inside refrigeration oil And air getting into refrigeration circuit may cause over pressure and resultant it may result in bursting etc Store the copper pipes indoors and seal the both end of them unt
387. refrigeration oil And air getting into refrigeration circuit may cause over pressure and resultant it may result in bursting etc O Store the copper pipes indoors and seal the both end of them until they are brazed in order to avoid any dust dirt or water getting into pipe Otherwise it will cause degradation of refrigeration oil and compressor breakdown etc Use special tools for R410 refrigerant 1g work When conducting piping work make sure to allow the pipes to be aligned in a straight line for at least 250 mm as shown in the left illustration This is necessary for the drain pump 250mm to function Section where attached in straight line Work procedure 1 Remove the flare nut and blind flanges on the pipe of the indoor unit Make sure to loosen the flare nut with holding the nut on pipe side with a spanner and giving torque to the nut with another spanner in order to avoid unexpected stress to the copper pipe and then remove them Gas may come out at this time but it is not abnormal Pay attention whether the flare nut pops out as the indoor unit is sometimes pressured Make a flare on liquid pipe and gas pipe and connect the refrigeration pipes on the indoor unit 3KBend the pipe with as big radius as possible and do not bend the pipe repeatedly In addition do not twist and crush the pipes 7 Do a flare connection as follows Make sure to loosen the flare nut with holding the nut on pipe side with a spanner
388. rely and hold the cord securely in order not to apply unexpected stress on the terminal Do not put both power source line and signal line on the same route It may cause miscom munication and malfunction Be sure to do D type earth work For the details of electrical wiring work see attached instruction manual for electrical wiring work Remove a lid of the control box 3 screws and rg Um the wiring cover 2 screws e Power source line Signal line Hold each wiring inside the unit and fasten 5 Teo them to terminal block securely JJ Z 1 Fix the wiring with clamps BP Install the removed parts back to original place X Wiring cover Wiring between indoor and outdoor unit Remote Controller line Signal line clamp NN o Signal side terminal block VRF KX series Power source line clamp Earth Power source side terminal block Indoor power source line Signal line Shielded cord PA Remote controller line Signal side terminal block 125 8 Panel installation 10 PAC SM 137 Attach the panel on the indoor unit after electrical wiring work Refer to attached manual for panel installation for details See next page 9 Check list after installation Check the following items after all installation work completed Check if The indoor and outdoor units are fixed securely Expected trouble Falling vibration noise Inspection for leakag
389. res Thi R the highest temperature is detected Reduces compressor frequency at each minute 65 C 33 C Indoor unit heat exchanger temp C 0 150 0 425 Low pressure MPa 10 PAC SM 137 g Over current protection current safe controls Detecting the outdoor unit inverter input primary current and the output secondary current if the current values exceed setting values the compressor speed frequency is controlled to protect the inverter Reduces frequency at each minute Cooling Heating Control Reset Control Reset value A value B value A value B 14 0 16 0 15 0 13 5 23 0 12 5 22 0 13 5 23 0 12 5 22 0 11 0 23 0 10 0 22 0 11 0 25 0 10 0 24 0 Retention Reset Current A gC Hecontrolv A and the reset v alie v ary depnding on the compessor sped 12 0 13 0 11 5 Fig C 10 5 Fig C 11 5 Fig C 11 5 Fig C 10 5 Fig C 11 5 Fig C Control ve Note 1 Value in are for the single phase models Controlor reset v e A A se O N d 0 8 6 8 0 0 Compessor sped frequenc rp h Power transistor temperature protection 1 Protective control If the power transistor temperature detected with TIP exceeds the setting value the compressor speed frequency is controlled to suppress the rise of power transistor tempera
390. rials other than a fuse of correct capacity where a fuse should be used The precautionary items mentioned below are distinguished into two levels A WARNING and Connecting the circuit by wire or copper wire could cause unit failure and fire S A WARNING Wrong installation would cause serious consequences such as injuries or death Do not install the indoor unit near the location where there is possibility of flammable gas leakages Both mentions the important items to protect your health and safety so strictly follow them by any means Do not install and use the unit where corrosive gas such as sulfurous acid gas elc or flammable gas such Q The meanings of Marks used here are as shown on the right as thinner petroleum et may be generated or accumulated rol substances are andis SV O Never do it under any circumstances 9 Aways do it according to the instruction It could cause the corrosion of heat exchanger breakage of plastic parts etc And inflammable gas could cause fire completing the installation do commissioning to confirm there are no abnormalities and explain to the Secure a space for installation inspection and maintenance specified in the manual 0 Cleaning operation method and temperature setting method with user s manual of this unit Ask your customers to keep this installation manual together with the user s manual Also ask them to hand Do not use the indoor unit at t
391. rk done by qualified electrical installer and use exclusive circuit o Power source with insufficient capacity and improper work can cause electric shock and fire Use specified wire for electrical wiring fasten the wiring to the terminal securely and hold the cable securely in order not to apply unexpected stress on the terminal Loose connections or hold could result in abnormal heat generation or fie QM Arrange the electrical wires in the control box properly to prevent them from rising Fit the lid of the services panel property improper fitting may cause abnormal heat and fre Check for refrigerant gas leakage after installation is completed the refrigerant gas leaks into the house and comes in contact with fan heater a stove or an oven toxic gas is produced lise the specified pipe flare nut and tools for 410 o Using existing parts R22 could cause the unit failure and serious accident due to explosion of the cooling cycle Tighten the flare nut according to the specified method by with torque wrench M the fare nut were tightened with excess torque it could cause burst and refrigerant leakage after a long period not put the drainage pipe directly into drainage channels where poisonous gases such as sulfide gas can occur Poisonous gases will flow into the room through drainage pipe and seriously affect the user s health and safety This can also cause the corrosion of the indoor unit and a resu
392. rminal Fasten the wiring to the terminal securely and hold the cable securely so as not Loose connection or hold will cause abnormal heat generation or fire Make sure the power supply is turned off when electric wiring work Otherwise electric shock malfunction and improper running may occur Checking the indoor unit installation position Read this manual together with the air conditioner installation manual carefully Check if the gap between the ceiling plane and the indoor unit is correct by inserting the level gauge into the air outlet port of the indoor unit See below drawing Adjust the installation elevation if necessary Remove the level gauge before you attach the panel Use level gauges as reference adjust the bottom to the face of the indoor the T bar align the bottom of the level gauge to the lower face of the ceiling panel 2 Orientation of the panel and return air grille installation 1 Take note that there is an orientation to install the panel Attach the panel with the orientation shown on the below Align the PIPE SIDE mark on the panel with the refrigerant pipes on the indoor unit 2 The intake grille can also be attached in a rotated position by 90 degrees In the orientation of the panel is not correct it will lead to air leakage and also it is not possible to connect the louver motor wiring
393. s OFF 5 OFF Power supply system error Power supply to indoor control PCB 1 Applicable model 5 Troubleshooting All models Diagnosis Countermeasure 2 Error detection method 3 Condition of Error displayed 4 Presumable cause Misconnection or breakage of connecting wires Blown fuse Faulty transformer Faulty indoor control or power PCB Broken harness Faulty outdoor control PCB Noise filter AC220 240V detected between and 2 on the terminal block of indoor unit Is AC380 415V for 3 phase unit detected between 1 2 and 3 on the teminal block of outdoor unit or is AC220 240V for Fee unit detected between and 2 on the terminal block of outdoor YES YES gt Note 1 FDT Series F200 F201 Other than FDT FDTC Fuse between wires d Is the YES Check of resistance between NO 0 9 of CNWO OK Note 2 Remove the transformer for YES other than FDT s the or FDTC Series checked result CNWI of resistance of FM LM etc FDEN FDUM YES gt FDU Series FDT FDTC Series NO Note 3 for GND YES Is JX1 open YES gt Is ACI9V or higher detected between Red Red CNW2 at transformer NO secondary side YES Is JX1 open NO YES gt Defective ou
394. s Q5 oxrp Apeuroue DPA Aynunuos St Jomod UYM YIM SUWA 42945 sjurod yooyo yrun XNALZOQ4 I9POoIN 10 PAC SM 137 TE Fed use j eum puo 26 oded o1 ZNS LNS SI JOJO Ue NOILdO uouA LA33NO IE ZNY4N SNO ng S S 7 use peu c a8ed Vt AOS2 24 2031 LHE9 sour 9 LNVANO 10945 MOA LOWS 1VNO JOAMNOO ASI INO VNO SdNO HLNO L 1 Wr 09 3 a a YoYo 10 3t oov do1 I 1r Lt 1 a _ SI OSNJ US AA NO VINO ZINO FLOWNO 555 d T eAnonpuoo ISNA Ti oo E v 1 1 9 Y31714 ISION 29 an 219 Y 9 yW _ i cal i J v wa
395. s and instructions are not adhered to WARNING Securely replace the PCB according to this procedure If the PCB is incorrectly replaced it will cause an electric shock or fire Be sure to check that the power source for the outdoor unit is turned OFF before replacing the PCB The PCB replacement under current carrying will cause an electric shock or fire After finishing the PCB replacement check that wiring is correctly connected with the PCB before power distribution If the PCB is incorrectly replaced it will cause an electric shock or fire N CAUTION Bandthe wiring so as not to tense because it will cause an electric shock 10 PAC SM 137 1 Model FDC71VNX PCA012D021C a Replace the PCB after elapsing 3 minutes from power OFF Be sure to measure voltage DC between T26 and T27 on inverter PCB and check that the voltage is discharged sufficiently 10V or less Refer to Fig 1 b Disconnect the connectors from the control PCB c Match the switches setting SW4 with the former PCB d Connect the connectors to the control PCB Confirm the connectors are not half inserted after elapsing 3 minutes from power OFF CNIP CNB Voltage measurement point CNI3 T26 red T27 blue SW4 CNPS CNEEVI CNFAN CNH CNA2 CNEEV2 CNN CNR Fig 1 Position of terminal Parts Arrangement View connectors are not half inserted 2 Model FDC100VNX
396. s manual to the new user when the owner is changed Indoor unitis not waterproof It could cause electric shock and fire Do not use the indoor unit for special purpose such as food storage cooling for precision instrument preservation of animals plants and a work of art A WARNING It could cause the damage of the items 9 Do not install nor use system near equipments which generate electromagnetic wave or high harmonics installation should be performed by the specialist OA MA IRO Phe Equipments like inverter equipment private power generator high frequency medical equipment or telecommunication Af you install the unit by yourself may lead to serious trouble such as water leakage electric shock fire and injury due to overtum equipment might influence the air conditioner and cause malfunction and breakdown Or the air conditioner might of the influence medical equipments or telecommunication equipments and obstruct their medical activity or cause jamming install the system correctly according to these installation manuals Do not install the remote controller at the direct sunlight Improper instalation may cause explosion injury water leakage electric shock and It could cause breakdown or deformation of the remote controller i Do not install the indoor unit at the place listed below Check the density refered by the foumula accordance with 1505149 It the d
397. s no damage both inside and outside of the pipe and no harmful substances such as sulfur oxide dust or a contaminant stuck on the pipes Do not use any refrigerant other than R410A Using other refrigerant except R410A R22 etc may degrade inside refrigeration oil And air getting into refrigeration circuit may cause over pressure and resultant it may result in bursting etc Store the copper pipes indoors and seal the both end of them until they are brazed in order to avoid any dust dirt or water getting into pipe Otherwise it will cause degradation of refrigeration oil and compressor breakdown etc Use special tools for R410 refrigerant Work procedure 1 Remove the flare nut and blind flanges on the pipe of the indoor unit Make sure to loosen the flare nut with holding the nut on pipe side with a spanner and giving torque to the nut with another spanner in order to avoid unexpected stress to the copper pipe and then remove them Gas may come out at this time but it is not abnormal Pay attention whether the flare nut pops out as the indoor unit is sometimes pressured 2 Make a flare on liquid pipe and gas pipe and connect the refrigeration pipes on the indoor unit X Bend the pipe with as big radius as possible and do not bend the pipe repeatedly In addition do not twist and crush the pipes Do a flare connection as follows Make sure to loosen the flare nut with holding the nut on pipe side with a
398. s off or 4 times flash I Applicable model 5 Troubleshooting models Diagnosis Countermeasure 2 Error detection method If it fails to change over to the rotor detection operation of compressor motor If the compressor speed cannot increase 11Hz or higher 3 Condition of Error displayed If compressor fails to startup for 20 times 10 patterns x 2 times It is availabel to reset by remote controller after 3 minutes delay 4 Presumable cause Faulty outdoor fan motor Faulty inverter PCB Anomalous power supply voltage Improper refrigerant amount and refrigerant circuit Faulty compressor Motor bearing Compressor does not start at all Neither noise nor vibration cannot be heard Disconnect the outdoor fan motor connector and try to startup Does compressor startup Is power supply voltage OK the pressure balance at starting OK compressor Is power transistor module OK Is checker OK insulation resistance and coil resistance of he output of inverter YES Replace outdoor fan motor NO Check power supply voltage NO gt Check refrigerant amount and refrigerant circuit NO Repalce compressor NO Inverter PCB is defective Defective inverter Replace NO Defective inverter Replace
399. s one time automatically without operating the remote controller at the power on This allows inputting the louver motor LM position which is necessary for the microcomputer to recognize the louver position Note 1 If you press the LOUVER button the swing motion is displayed on the louver position LCD for 10 second The display changes to the SWING display 3 seconds later 2 3 10 PAC SM 137 Automatic louver level setting during heating At the hot start with the heating thermostat OFF regardless whether the auto swing switch 18 operated or not auto swing or louver stop the louver takes the level position In order to prevent the cold start The louver position display LCD continues to show the display which has been shown before entering this control Louver free stop control When the louver free stop has been selected with the indoor function of wired remote controller POSITION the louver motor stops when it receives the stop signal from the remote controller If the auto swing signal is received from the remote controller the auto swing will start from the position where it was before the stop Note 1 When the indoor function of wired remote controller POSITION has been switched switch also the remote control function POSITION in the same way Compressor inching prevention control 1 2 3 minute timer When the compressor has been stopped by the thermostat re
400. s test by pressurizing with nitrogen gas after completed refrigerant piping work If the density of refrigerant exceeds the limit in the event of refrigerant leakage in the small room lack of oxygen can occur which can cause serious accidents For drain pipe installation sure to make descending slope of greater than 1 100 not to make traps and not to make air bleeding Check if the drainage is correctly done during commissioning and ensure the space for inspection and maintenance Ensure the insulation on the pipes for refrigeration circuit so as not to condense water Incomplete insulation could cause condensation and it would wet ceiling floor and amy other valuables Do not install the outdoor unit where is likely to be a nest for insects and small animals Insects and small animals could come into the electronic components and cause breakdown and fire Instruct the user to keep the surroundings dean Q Pay extra attention carrying the unit by hand Carry the unit with 2 people it is heavier than 20kg Do not use the plastic straps but the grabbing place moving the unit by hand Use protective gloves in order to avoid injury by the aluminum fin Make sure to dispose of the packaging material Leaving the materials may cause injury as metals like nail and woods are used in the package Do not operate the system without the air filter S may cause the breakdown of the system due to dogging of the heat exchanger R cou
401. sconnected and then the power supply 220 240VAC on the terminal block Insulation work is properly done Water leakage CD and or and N is turned ON Water is drained properly Water leakage Make sure to turn OFF SW7 1 and reconnect the Connector CNB after the test Supply voltage is same as mentioned in the model name plate PCB burnt out not working at all There is mis wiring or mis connection of piping PCB burnt out not working at all Earth wiring is connected properly Electric shock Cable size comply with specified size PCB burnt out not working at all Any obstacle blocks airflow on air inlet and outlet Insufficient capacity 1 Hook 1 For fixing temporarily Chain 2 pieces Bolt 4 pieces For installing the panel Check the following items after all installation work completed Check if Expected trouble The indoor and outdoor units are fixed securely Falling vibration noise Inspection for leakage is done Insufficient capacity Wiring out position and wiring connection Electrical installation work must be performed according to the installation manual by an electrical installation service provider qualified by a power provider of the country and be executed according the technical standards and other regulations applicable to electrical installation in the country Be sure to use an ex
402. se serious accidents lse the genuine accessories and the specified parts for installation If parts unspecified by our company are used it could cause water leakage electric shock fre and injury due to overturn of the unit Ventilate the working area well in case the refrigerant leaks during installation q If the refrigerant contacts the fire toxic gas is produced install the unit in a location that can hold heavy weight Improper installation may cause the unit to fall leading to accidents install the unit properly in order to be able to withstand strong winds such as typhoons and earthquakes Improper installation may cause the unit to fall leading to accidents Do not mix air in to the cooling cycle on installation or removal of the air conditioner If air is mixed in the pressure in the cooling cycle will rise abnormally and may cause explosion and injuries Be sure to have the electrical wiring work done by qualified electrical installer and use exclusive circuit Power source with insufficient capacity and improper work can cause electric shock and fire Use specified wire for electrical wiring fasten the wiring to the terminal securely and hold the cable securely in order not to apply unexpected stress on the terminal Loose connections or hold could result in abnormal heat generation or fire Arrange the electrical wires in the control box properly to prevent them from rising Fit the lid of the services panel pro
403. se unexpected stress on the indoor unit and it will lead to deformation of the unit failure of attaching a panel and generating noise from the fan Make sure to install the indoor unit horizontally and set the gap between the unit underside and the ceiling plane properly Improper installation may cause air leakage dew condensation water leakage and noise Even after decorative panel attached still the unit height can be adjusted finely Refer to the installation manual for decorative panel for details Make sure there is no gap between decoration panel and ceiling surface and between decora tion panel and the indoor unit The gap may cause air leakage dew condensation and water leakage in case decorative panel is not installed at the same time or ceiling material is installed after the unit installed put the cardboard template for installation attached on the package packing material of cardboard box on the bottom of the unit in order to avoid dust coming into the indoor unit 5 Refrigerant pipe Use the new refrigerant pipe When re using the existing pipe system for R22 R407C pay attention to the following items Change the flare nuts with the attached ones JIS category 2 and reprocess the flare parts Do not use thin walled pipes Use phosphorus deoxidized copper alloy seamless pipe C1220T specified in JIS H3300 for refrigeration pipe installation In addition make sure there is no damage both insi
404. set automatically Do not set FAN OFF when the indoor unit s thermistor is working Change of indoor heat exchanger temperature to start frost prevention control Working only with the Single split series To control frost prevention the indoor fan tap is raised Drain pump is run during cooling and dry Drain pump is run during cooling dry and heating Drain pump is run during cooling dry heating and fan Drain pump is run during cooling dry and fan After cooling is stopped or cooling thermostat is OFF the fan does not perform extra operation After cooling is stopped or cooling thermostat is OFF the fan perform extra operation for half an hour After cooling is stopped or cooling thermostat is OFF the fan perform extra operation for an hour After cooling is stopped or cooling thermostat is OFF the fan perform extra operation for six hours After heating is stopped or heating thermostat is OFF the fan does not perform extra operation After heating is stopped or heating thermostat is OFF the fan perform extra operation for half an hour After heating is stopped or heating thermostat is OFF the fan perform extra operation for two hours After heating is stopped or heating thermostat is OFF the fan perform extra operation for six hours During heating is stopped or heating thermostat is OFF the fan perform intermittent operation for five minutes with low fan speed after twenty minutes OFF During heating is stopped or heating
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406. spanner in order to avoid unexpected Stress to the copper pipe and then remove them When fastening the flare nut align the refrigeration pipe with the center of flare nut screw the nut for 3 4 times by hand and then tighten it by spanner with the specified torque mentioned in the table below Make sure to hold the pipe on the indoor unit securely by a spanner when tightening the nut in order to avoid unexpected stress on the copper pipe Cover the flare connection part of the indoor unit with attached insulation material after a gas leakage inspection and tighten both ends with attached straps Make sure to insulate both gas pipes and liquid pipes completely 3KIncomplete insulation may cause dew condensation or water dropping Refrigerant is charged in the outdoor unit As for the additional refrigerant charge for the indoor unit and piping refer to the installation manual attached to the outdoor unit 14 to 18 34 to 42 49 to 61 68 to 82 100 to 120 The thickness of insulation shouid be 20mm or more 10 PAC SM 137 6 Refrigerant pipe continued The pipe can be connected from three different directions back reight top When the pipe is routed through the back If the bracket is removed piping work will become easy piping reinstall the removed bracket Bracket When the pipe is routed through the back Cut the removed top cover and install to the rear panel instead of re
407. start operation unexpectedly and may cause injury 122 Before installation Install correctly according to the installation manual Confirm the following points Ounit type Power supply specification OPipes Wires Small parts items For ont hanging CELI Pt washar uto porco srap Pa Drain hone Howe 2 0 1 I 1 1 em rear Foe unit hargina For hoat dt mono eem nd Far bist ron Fer tsi pipe For drain hora and adjustment d gas por digii d ansodut dram socket 2 Selection of installation location for the indoor unit Select the suitable areas to install the unit under approval of the user Areas where the indoor unit can deliver hot and cold wind sufficiently Suggest to the user to use a circulator if the ceiling height is over 3m to avoid warm air being accumulated on the ceiling Areas where there is enough space to install and service Areas where it can be drained properly Areas where drain pipe descending slope can be taken Areas where there is no obstruction of airflow on both air return grille and air supply port Areas where fire alarm will not be accidentally activated by the air conditioner Areas where the supply air does not short circuit Areas where it is not influenced by draft air Areas not exposed to direct sunlight
408. starts again automatically but if this error occurs again within 60 minutes after the initial detection Note 1 Value are for the models SRK 50 60 4 Presumable cause Defective return air temperature thermistor connector Defective return air temperature thermistor Faulty indoor control PCB Diagnosis Countermeasure Is the connection of return air temperature thermistor NO Correct Connect connector OK connector YES Characteristics of return air temperature thermistor OK NO Broken wire Temperature thermistor resistance Shot circuit 10 YES Temperature resistance characteristic 5kQ at 25 C 10 20 30 40 50 Temperature C Defective return air temperature thermistor gt Replace Defective indoor control PCB Replace Defective return air temperature thermistor input circuit Note 10 PAC SM 137 Error code Remote controller E8 LED Green Red Indoor Keeps flashing 1 time flash Outdoor Keeps flashing Stays OFF Heating overload operation 1 Applicable model 5 Troubleshooting models Diagnosis Countermeasure 2 Error detection method Indoor heat exchanger temperature thermistor ThI R1 R2 R3 3 Condition of Error dis
409. t lt Cooling cycle lt Heating cycle Check joint Thermistor Electronic Electronic expansion valve expansion valve cooling EEVC heating EEVH Receiver 2 3 Triple type 10 PAC SM 137 Model 140 T2 2 2 22 22 2 2 22 2 2 2 2 2 2 2 2 2 2 2 Gas branch ot Y a i 1 Pipe d vt naling ee ene Indoor unit Indoor unit Indoor unit 12 7 Outdoor unit lt Cooling cycle lt Heating cycle m 1 1 1 Check joint Thermistor i i ala Gas line ThO A A 1 1 1 15 88 gt X Flare connecting Service valve Thermistor Flare connecting 5 P i Heat exchanger Check joint ThI R3 or Th22 ger E High pressure Heat exchanger Return air or Thl ower pressure 0 0 Heat exchanger sensor Thermistor Heat exchanger LPT ThI R2 or Th21 Thermistor ThO R1 Thermistor Heat exchanger 0 0 ThI RT Liquid branch pipe Compressor Service valve 9 52 Flare connecting m ThO R2 c gt Sub cooling i x IMELI Sub cooling i 1 A T Liquid line 1 connecting i 9 52 i 06 35 mS _ 2 i N Diameter joint CS Strainer Strainer Strainer 1 1 N of different 11 i 11 Electronic Electronic 1 expansion valve expansion valve i T cooling EEVC heating EEV
410. t fan speed is increased by 10min b Ifthe indoor unit heat exchanger temperature drops below 37 C at next sampling present number of revolutions of indoor unit fan speed is reduced by 10min 3 End conditions Indoor fan speed is reduced to the setting airflow volume when the compressor OFF is established and at 30 minutes after the start of heating operation 10 e PAC SM 137 w Room temperature detection temperature compensation during heating x With the standard specification the compressor is turned ON OFF with the thermostat setting temperature When the thermostat is likely to turn OFF earlier because the unit is installed at the ceiling where warm air tends to accumulate the setting can be changed with the wired remote controller indoor unit function 8 SP OFFSET The compressor and the heater are turned ON OFF at one of the setting temperature 3 2 or 1 C in order to improve the feeling of heating The setting temperature however has the upper limit of 30 C Standard Compressor Operation When it is set at 3 C Compressor Operation Stop Stop ENS d 1 2 4 Setting temperature Setting temperature Room temperature deg Room temperature deg Return air temperature compensation This is the function to compensate the deviation between the detection temperature by the return air temperature thermistor and the measured temperature after installing the unit
411. t is 30 minutes at SW3 1 OFF Factory default c It allows the defrosting operation with the outdoor unit heat exchanger temperature Tho R and suction pressure saturation temperature SST being higher than normal Note 1 Figures in are for model 71 6 Protective control anomalous stop control by compressor s number of revolutions a Compressor discharge pipe temperature protection 1 Protective control As the discharge pipe temperature detected with Tho D exceeds the setting value the compressor speed frequency is controlled to suppress the rise of discharge pipe temperature Reduces compressor speed at each minute Retention Release 105 110 Discharge pipe temperature C 2 Anomalous stop control a If the discharge pipe temperature detected with Tho D exceeds the setting value the compressor stops b When it is detected 2 times within 60 minutes or after continuous 60 minutes including the stop of compressor E36 is displayed on the remote controller and it enters the anomalous stop mode Compressor stop Compressor operation 85 115 Discharge pipe temperature 3 Reset of anomalous stop mode As it drops to the reset value of 85 C or lower for 45 minutes continuously it becomes possible to restart from the remote controller b Cooling high pressure protection 1 Protective control a When the outdoor air temperature Tho A is 40 C or higher and the outdoor unit heat exchanger temperatur
412. t without Auto RUN mode VALID Indoor unit with two or three step of air flow setting INVALID VALID Indoor unit with only one of air flow setting er LULIMER SW Indoor unit with automatically swing louver DEJ INVALID Indoor unit without automatically swing louver HI MID LO Indoor unit with three step of air flow setting Indoor unit with two step of air flow setting 1 FAN SPEED Indoor unit with only one of air flow setting HEAT PUMP Heat pump unit COOLING ONLY Exclusive cooling unit Note 3 As for plural indoor unit set indoor functions to each master and slave indoor unit But only master indoor unit is received the setting change of indoor unit function O5 EXTERNAL INPUT and 06 PERMISSION PROHIBISHION Function 12000 A 02 FANSPEED SET setting 12000 STANDARD HIGH SPEED 1 HIGH SPEED 2 To set other indoor unit press AIRCON NO allows you to go back to the indoor button which unit selection screen for example U 000 03 FILTER SIGH SET POSITION INDICATION OFF 1 TEZ 4 APOSITION STOP FREE STOP 05 ESTERHAL INPUT LEVEL INPUT PULSE INPUT QG OPERATION PERMISSION PROHIBI ICN INVALID MALID 07 EMERGENCY STOP og SP OFFSET 09 RETURN AIR TEMP
413. tart Stop air conditioner and press lt SET and Record and keep the buttons at the same time for over three seconds setting Finalize Press 3 SET button Reset Press 4 RESET button Select Press W button End Press ON OFF button Consult the technical data etc for each control details It is possible to finish above setting on the way and unfinished change of setting is unavailable Stop air conditioner and press 1 settings gt SET CD MODE buttons Automatic criterion at the same time for over three seconds FUNCTION SET E3 FUNCTION Remote controller function Function 01 GRILLE SET setting TL INVALID ZONE ONLY ___ you use at 50Hz area When you use at 60Hz area Automatical operation is impossible Temperature setting button is not working Mode button is not working On Off button is not working Fan speed button is not working Louver button is not working ESSENSUR Remote thermistor is working and to be set for producing 2 0 C increase in temperature EJSENSUR 3 0 Remote thermistor is working and to be set producing 3 0 C increase in temperature 10 AUTO RESTAR
414. tdoor control PCB Broken thermistor harness or temperature sensing section Disconnected wire connection connector Broken wire Temperature thermistor resistance Shot circuit outdoor heat exchanger temperature thermistor connector characteristics of Is the NO connected properly YES For the characteristics of outdoor heat exchanger temperature thermistor see the following graph Are the outdoor heat exchanger NO temperature thermistor OK YES Temperature resistance characteristics 5kQ at 25 0 10 20 30 40 50 Temperature C Correct connector Defective outdoor heat exchanger temperature thermistor Replace Defective outdoor control PCB Replace Defective outdoor heat exchanger temperature thermistor input circuit Note 10 e PAC SM 137 Error code Remote controller E38 LED Green Red Indoor Keeps flashing Stays OFF Outdoor Keeps flashing 1 time flash Outdoor air temperature thermistor anomaly 1 Applicable model 5 Troubleshooting All models Diagnosis Countermeasure 2 Error detection method Detection of anomalously low temperature resistance on outdoor air temperature thermistor 3 Condition of Error displayed When the temperatur
415. tdoor control PCB Noise filter Misconnection or breakage of connecting wires Defective indoor control or power Replace Replace FM LM etc Replace fuse Defective indoor power gt Replace Open JX1 Defective indoor control PCB Replace Replace transformer Open JX1 Defective indoor control PCB gt Replace Note 10 PAC SM 137 Remote controller None LED Green Red Indoor Keeps flashing Stays OFF Outdoor Keeps flashing 2 times flash Power supply system error Power supply to remote controller 1 Applicable model 5 Troubleshooting All models 2 Error detection method 4 Presumable cause Remote controller wire breakage short circuit Defective remote controller Malfunction by noise Faulty indoor power PCB Broken harness Faulty indoor control PCB Diagnosis Countermeasure Isn t there any loose connection of remote YES Correct controller wires NO Isn t remote controller wire broken or short circuited NO Y Disconnect remote controller wires Is DCISV or higher detected between X Y of indoor unit terminal block NO FDEN FDUM FDU Series FDT FDTC Series Is 24V or higher Is DC180V between O of CNW2 YES YES gt YES
416. tdoor unit is in the standby state fh PREPARATION is displayed for 3 seconds on the remote controller 10 PAC SM 137 3 Compressor soft start control a Compressor protection start I Control condition Normally the compressor operation frequency is raised in this start pattern Control contents 1 Starts with the compressor s target frequency at A rps However when the ambient air temperature Tho A is 35 C or higher during cooling dehumidifying or the indoor return air temperature Th1 A is 25 C or higher during heating it starts at C rps 2 At 30 seconds after the start of compressor its target frequency changes to B rps and the compressor is operated for 2 4 minutes with its operation frequency fixed at B rps Model Operation mode A B Cooling Dehumidifying 71 Heating Cooling Dehumidifying 100 Heating Cooling Dehumidifying 125 140 gt Heating _ E b Compressor protection start 111 Control condition Number of compressor starts is only 1 counted after the power supply breaker ON Control contents Operates by selecting one of following start patterns according to the operation mode and the outdoor air temperature Tho A 1 Low frequency operation control during cooling dehumidifying Control condition Upon establishing the conditions of compressor protection start the low frequency operation control is performed during cooling dehumidifying Control contents a Star
417. tecting timing Drain trouble Float switch ru Whenever float switch is activated after 30 second had past since activated LJ power ON Communication error at fh WAIT ifl No communication between indoor and outdoor units is initial operation established at initial operation Communication between indoor unit and remote controller is Remote controller 5 more interrupted for mote than 2 minutes continuously after initial communication circuit error duce communication was established ET 2 C Communication between indoor and outdoor units is interrupted Communication error during 5 f han 2 mi after initial operation L or mote than 2 minutes continuously after initial communication was established Indoor Excessive number of 2 connected indoor units by E Whenever excessively connected indoor units is detected after controlling with one remote power ON controller i 1 1 Ef n O nesan aal dere artis anomalous T thermistor anomaly Lt temperature 50 28 C or lower is detected for 5 15 seconds continuously Indoor heat exchanger thin 60 ini fet initial d f thi temperature thermistor E 5 within 60 minutes after initial detection of this anomalous anormal temperature y Or 70 or higher is detected for 5 seconds continuously 45 C or lower is detected for 5 seconds continuously 3 times Outdoor air temperature E J 8 MS after initial detection of this anomalous thermistor anomaly
418. that it will not pinch any of the wires 5 Reconnect the wirings to the PCB Wiring connector color should match with the color of connector of the PCB Note 2 6 Let the wiring red and blue pass beneath the yellow green wiring and bind together with band T Screw back the terminal of wiring yellow green from PCB T1 T2 T3 that was removed in 1 In that case do not place the crimping part of the wiring under the PCB Note 1 It might not be applicable on some models Note 2 After replacing PCB connection between capacitor assy and connector CNP no longer needed 2 Power PCB Parts mounting are different by the kind of PCB CNM White CNWO White Fan motor Terminal block E T1 Yellow Green 5s ecroi a gp m Sa 092 1 A Ab Ss Ss 5 2 ag aif PR ig le a e fz 5 115 EE e CNW1 Blue Control PCB CNW2 Red Control PCB PJASESADS1 1 R321 C325 R308 Tw fe 05200 T2 Yellow Green 304 J Earth 16 gi 4 T an Ce at LTE UU T3 Yellow Green T ind 06 52x4 F203 5 4 I t vns of Wis na 9 PJA505A180 0 77 A HIGH VOLTAGE C303 Note 2 CNP White CNR White Part number Capacitor assy Drain motor Unscrew terminal of the wiring to PCB from the box Cut the band Note 1 do not cut the band that binds only the red and blue wirings
419. the communication with the remote controller has been established within 60 seconds after turning power on by the dip switch SW7 1 ON it enters the operation check mode Unless the remote controller communication is established it enters the drain pump test run mode Note 1 To select the drain pump test run mode disconnect the remote controller connector CNB on the indoor PCB to shut down the remote controller communication 3 4 10 PAC SM 137 Operation check mode There is no communication with the outdoor unit but it allows performing operation in respective modes by operating the remote controller Drain pump test run mode As the drain pump test run is established the drain pump only operates and during the operation protective functions by the microcomputer of indoor unit become ineffective n Cooling dehumidifying frost protection 1 2 To prevent frosting during cooling mode or dehumidifying mode operation the of compressor speed is reduced if the indoor heat exchanger temperature detected with Thi R drops to 1 0 C or lower at 4 minutes after the start of compressor operation If the indoor unit heat exchanger temperature is 1 0 C or lower after 1 minutes the compressor speed is reduced further If it becomes 2 5 or higher the control terminates When the indoor heat exchanger temperature has become as show below after reducing the compressor speed it is switched to the fan operation For the sel
420. the dented part of the upper part of the remote controller and wrench slightly a In case of embedding cord Embed the erectrical box and remote controller cord beforehand V Controller cord Erectrical box Prepare on site E amp Prepare two screws recommended length is 12 16mm on site and install the lower case to erectrical box Choose either of the following two positions in fixing it with screws Upper part Upper part 7 Tighten the screws after cutting off the thin part of screw mounting part Lower part Wiring oulet Wiring oulet Lower part Connect the remote controller cord to the terminal block Connect the terminal of remote controller X Y with the terminal of M4 screw x 2 Prepare on site indoor unit X Y X and Y are no polarity The thin part Upper 6 Install the upper case as before so as not to catch up the remote controller cord Oo and tighten with the screws Lower case 0 In case of exposing cord You can pull out the remote controller cord from left upper part or center upper part Upper Cut off the upper thin part of remote controller lower case with a nipper or knife and grind burrs with file etc Lower case Install the lower case to the flat wall with attached two wooden screws oe Lower 14 10 PAC SM 137
421. the earth leakage breaker is not installed it can cause electric shocks Use the circuit breaker of correct capacity Circuit breaker should be the one that disconnect all poles under over current Using the incorrect one could cause the system failure and fire Do not use any materials other than fuse of correct capacity where a fuse should be used Connecting the circuit by wire or copper wire could cause unit failure and fire Do not install the indoor unit near the location where there is possibility of flammable gas leakages If the gas leaks and gathers around the unit it could cause fire Do not install and use the unit where corrosive gas such as sulfurous acid gas etc or flammable gas such as thinner petroleum etc may be generated or accumulated or volatile flammable substances are handled R could cause the corrosion of heat exchanger breakage of plastic parts etc And inflammable gas could cause fire Insufficient space can result in accident such as personal injury due to falling from the installation place Indoor unit is not waterproof It could cause electric shock and fire Do not use the indoor unit for a special purpose such as food storage cooling for precision S instrument preservation of animals plants and a work of art It could cause the damage of the items Do not install nor use the system near equipments which generate electromagnetic wave or high harmonics Equipments like inverter equ
422. the gap between the ceiling plane and the indoor unit is appropriate In order to adjust the indoor unit position adjust the lower nuts while the upper nuts are put on distant place Confirm there is no backlash between the hanger plate for suspension bolt and the lower nut and washer Drain piping Suspension bolt Nut upper gt Flat washer Spring washer A x Nut lower 45mm Level gauge 7 Y g Ceiling surface Refrigerant piping Use level gauges as reference adjust the bottom to the face of 2 the indoor unit bottom to the face of gt the indoor unit 1E Use level gauges as Ceiling panel Correct Touch the nut lower and washer without any play 117 reference adjust the Diffuser Diffuser Level gauge insulation Level gauge insulation When the ceiling panel comes below the T bar align the bottom of the level gauge to the lower face of the ceiling panel EL Rt Play is left between the fixture and the nut lower and washer Installation of indoor unit continued 6 Make sure to install the indoor unit horizontally Confirm the evelness of the indoor unit with a level gauge or transparent hose filled with water Keep the height difference at both ends of he indoor unit within 3mm 7 Tighten four upper nuts and fix the unit after height and levelness adjustment Do not adjust the height by adjusting upper n
423. the master remote control unit in the position where you want to check room temperature Sa Master Wired remote controller SW1 remote controller Wireless kit SW1 2 Slave remote controller 167 10 e PAC SM 137 3 Trial operation The method of trial cooling operation Operate the remote control unit as follows 1 Starting a cooling test run CDStart the system by pressing the ON OFF button Select ft Cool with the MODE button Press the TEST button for 3 seconds or longer The screen display will switch to TESTRIN Y When the 167 SET button is pressed while zt TEST RUN is indicated a cooling test run will start The screen display will switch to TEST RUN 2 Ending a cooling test run Pressing the DON OFF button the TEMP button or S MODE button will end a cooling test run Cooling test run will end after 30 minutes pass TEST RUN shown on the screen will go off Checking operation data Operation data can be checked with remote control unit operation 1 Press the button The display change OPERDATA 2 Press the ESD SET button while OPERDATA Y is displayed 3 When only one indoor unit is connected to remote controller DATA LOADING is displayed blinking indication during data loading Pulse of Indoor Unit Expansion Value Next operation data of the indoor unit Tota Running Hears o
424. the same time a mark or a number will be displayed for two seconds first This is the software s administration number of the remote controller not an error cord Gb The left mark is only an CHAT 2o Other marks may When remote controller cannot communicate with the indoor unit for half an hour the below indication will appear Check wiring of the indoor unit and the outdoor unit etc INSPECT IZU 145 10 PAC SM 137 The range of temperature setting When shipped the range of set temperature differs depending on the operation mode as below Heating 16 30 55 86 F Except heating cooling fan dry automatic 18 30 C 62 86 F Upper limit and lower limit of set temperature can be changed with remote controller Upper limit setting valid during heating operation Possible to set in the range of 20 to 30 C 68 to 86 F Lower limit setting valid except heating automatic cooling fan dry Possible to set in the range of 18 to 26 C 62 to 79 F When you set upper and lower limit by this function control as below 1 When 2 TEMP RANGE SET remote controller function of function setting mode is INDN CHANGE factory setting If upper limit value is set During heating you cannot set the value exceeding the upper limit If lower limit value is set During operation mode except heating you cannot set the value below the lower limit 2 When 2 TEMP RANGE SET
425. times affects the in controller and the air conditioner might not work properly ing wet are not placed such as food unit influence by the heat which cookware generates steam directly such as above fryer or incandescent light doesn t affect rared receiver for the wireless remote Check if the place where the air conditioner is installed can hold the weight of the unit If it is not able to hold reinforce the structure with boards and beams strong enough to hold it If the strength is not enough it could cause injury due to unit Space for installation and service Make installation altitude over 2 5m Indoor Unit Installation Space falling M10 nut NX UNIT Multi type 90 112 140 100 125 140 Single type Inspection 1720 hole gt 137 p Drain Connectable with VP20 Drain Natural drainage 25 28 lilnstallation of indoor unit Installation Hanging Hang the uni Unit Suspension bolt Washer for M10 x Spring washer for M10 Adjustment for horizontality Okither use level vial or adjust the vr 9 If the measurements between the unit and the ceiling hole do not match upon installation it may be adjusted with the long
426. tion circuit Carry the unit with 2 people if it is heavier than 20kg Do not use the plastic straps but the grabbing place moving the unit and it could cause explosion and injuries due to abnormal high pressare in the cooling cycle by hand Use protective gloves in order to avoid injury by the aluminum fin Only use prescribed optional parts The installation must be carried out by the qualified installer Make sure to dispose of the packaging material Hf you install the system by yourself it can cause serious trouble such as water leaks electric shocks fre Leaving the materials may cause injury as metals like nail and woods are used in the package Do not operate the system without the air filter proper repair may cause water leakage electric shock or fre It may cause the breakdown of the system due to clogging of the heat exchanger Do not touch any button with wet hands S It could cause electric shock Consult the dealer or a specialist about removal of the air conditioner Do not touch the refrigerant piping with bare hands when in operation Improper installation may cause water leakage electric shock or fre Turn off the power source during servicing or inspection work ee NN If the power is supplied during servicing or inspection work it could cause electric shock and injury by the operating fan Do not clean up the air conditioner with water Sine tor eps gan in Touching the rotating equipment hat
427. tion number and the lower limit position number are set to the same position the louver is fixed at that position auto swing does not funtion ATTENTION button during settings the mode will be ended and retum to original display and the settings that have not been completed will become invalid When plural remote controllers are connected louver setting operation cannot be set by slave remote controller 131 10 PAC SM 137 PJRO12D319 4 Duct connected Low Middle static pressure type FDUM This manual is for the installation of an indoor unit For electrical wiring work Indoor refer to the electrical wiring work installation manual For remote controller installation refer to the installation manual attached to a remote controller For wireless kit O installation refer to the installation manual attached to a wireless kit For electrical wiring work Perform earth wiring surely Outdoor and refrigerant pipe work installation for outdoor unit refer to the installation manual Do not connect the earth wiring to the gas pipe water pipe lightning rod and telephone earth wiring improper earth coukl attached to an outdoor unit cause unit failure and electric shock due tn a short circuit Earth leakage breaker must be installed If the earth leakage breaker is not installed it can cause electric shocks Use the circuit breaker of correct capacity Circuit breaker should be th
428. tions are not adhered to Indicates a potentially hazardous situation which may result in minor or moderate injury if proper safety procedures and instructions are not adhered to N WARNING Securely replace the PCB according to this procedure If the PCB is incorrectly replaced it will cause an electric shock or fire Be sure to check that the power source for the outdoor unit is turned OFF before replacing the PCB The PCB replacement under current carrying will cause an electric shock or fire After finishing the PCB replacement check that wiring is correctly connected with the PCB before power distribution If the PCB is incorrectly replaced it will cause an electric shock or fire CAUTION e the wiring so as not to tense because it will cause an electric shock Replace the inverter PCB according to the following procedure 1 Model FDC71VNX a Replace the PCB after elapsing 3 minutes from power OFF PCAO12D022G y Be sure to measure voltage DC between T26 and T27 on inverter PCB and check that the voltage is discharged sufficiently 10V or less Refer to Fig 1 b Take off the connection of inverter PCB terminal and connector and remove the screw of power transistor IC10 active filter IC2 and diode stack DS1 then remove the PCB Wipe off the silicon grease neatly on the controller s radiation heat fins Refer to Fig 1 and Parts arrangement view c Refer to tablel for the setting of switch JSW10
429. tisfies any of the following conditions the compressor stops to run for its protection When the low pressure drops to 0 079MPa or under for 15 seconds continuously Q At 10 minutes after the start of compressor the suction overheat becomes 30 C and the low pressure becomes 0 15MPa or under for 60 seconds continuously b E49 is displayed under any of the following conditions and it enters the anomalous stop mode When the low pressure drops 3 times within 60 minutes and the compressor stops under any of the above conditions When a value detected with the low pressure sensor becomes 0 079MPa or under for 5 minutes including the stop of compressor c However when the control condition D is established during the compressor protection start E49 is displayed at initial stop and it enters the anomalous stop mode f Compressor pressure ratio protection control 1 2 3 4 During heating operation if the indoor unit heat exchanger temperature Thi R and the outdoor unit heat exchanger temperature Tho R exceed the setting values at 10 minutes after the start of compressor the compressor speed frequency is controlled to protect the compressor This control is not performed during the outdoor fan ON and for 10 minutes from the start of outdoor unit fan This control is not performed during defrosting operation and at 10 minutes after the reset of defrosting operation When there are 3 indoor unit heat exchanger temperatu
430. to the nut with another spanner in order to avoid unexpected stress to the copper pipe and then remove them When fastening the flare nut align the refrigeration pipe with the center of flare nut screw the nut for 3 4 times by hand and then tighten it by spanner with the specified torque mentioned in the table below Make sure to hold the pipe on the indoor unit securely by a Spanner when tightening the nut in order to avoid unexpected stress on the copper pipe Cover the flare connection part of the indoor unit with attached insulation material after a gas leakage inspection and tighten both ends with attached straps sure to insulate both gas pipes and liquid pipes completely X Incomplete insulation may cause dew condensation or water dropping Refrigerant is charged in the outdoor unit As for the additional refrigerant charge for the indoor unit and piping refer to the installation manual attached to the outdoor unit Strap Accessory Pipe cover Accessory 14 to 18 34 10 42 49 to 61 68 to 82 D 100 to 120 The thickness of insulation should be 20mm or more 104 10 e PAC SM 137 6 Drain pipe Install the drain pipe according to the installation manual in order to drain properly Imperfection in draining may cause flood indoors and wetting the household goods etc Do not put the drain pipe directly into the ditch where toxic gas such as sulfur the other harmful and inflammable gas is
431. top during operation Operating condition indoor outdoor temperatures pressure Time it occurred Operation data retained by the remote controller such as compressor rotation speed heat exchanger temperature EEV opening degree etc Tone If available record the noise Any other anomalies Note 10 PAC SM 137 9 Error code Remote controller None LED Green Red Indoor Keeps flashing Stays OFF Outdoor Keeps flashing Stays OFF Louver motor failure FDT FDTC and FDEN series J 1 Applicable model 5 Troubleshooting FDT FDTC and FDEN series only Diagnosis Countermeasure 2 Error detection method 3 Condition of Error displayed 4 Presumable cause Defective LM LM wire breakage Faulty indoor control PCB Check at the indoor unit side Operate after waiting for more than 1 minute Does operate the louver at the power on Repair wiring Defective indoor control LM louver motor PCB Replace YES gt Replace LM Is the louver operable with the remote YES Normal controller NO Adjust LM lever and then check again Note 10 PAC SM 137 Remote controller None LED Green Red Outdoor Stays OFF 2 times flash Indoor Stay
432. tops operation in conjunction with OFF signal and start stop operation of the unit from the wired remote controller becomes not available 3 This function is invalid only at Center mode setting done by central controller 10 PAC SM 137 External input output control CnT Be sure to connect the wired remote controller to the indoor unit Without wired remote controller remote operation by CnT is not possible to perform 1 2 CnT Blue 12V lt Operation output CnT 2 XR1 2 XRD Heating output CnT 3 XR2 3 Thermostat ON output CnT 4 XR3 omn mE Error output CnT 5 4 n SRemote operation input CnT 6 No voltage contactor XR5 Output for external control remote display Following output connectors CnT are provided on the indoor control PCB for monitoring operation status Operation output Outputs DCI2V signal for driving relay during operation Heating output Outputs DC12V signal for driving relay during heating operation Thermostat ON output Outputs DCI2V signal for driving relay when compressor is operating Error output Outputs DC12V signal for driving relay when anomalous condition occurs Remote operation input Remote operation input connector CnT 6 is provided on the indoor control PCB However remote operation by CnT 6 is not effective when Center mode is selected by center controller In case of plural unit twin
433. triple double twin remote operation input to CnT 6 on the slave indoor unit is invalid Only the LEVEL INPUT is acceptable for external input however when the indoor function setting of Level input Factory default or Pulse input is selected by the function for External input of the wired remote controller operation status will be changed as follows a b In case of Level input setting Factory default Input signal to CnT 6 is OFF ON unit ON Input signal to CnT 6 is ON OFF unit OFF Operation is not inverted CnT 6 input Unit A Unit B Note The latest operation has priority It is available to operate stop by remote controller or center controller In case of Pulse input setting Local setting It is effective only when the input signal to CnT 6 is changed OFF ON and at that time unit operation ON OFF is inverted ON ON CnT 6 input OFF Unit A Unit B v 10 PAC SM 137 3 Remote operation a In case of multiple units Max 16 indoor units group are connected to one wired remote controller When the indoor function setting of wired remote controller for External control set is changed from Individual Factory default to For all units all units connected in one wired remote controller system can be controlled by external operation input Outdoor unit Outdoor unit Outdoor unit Outdoor unit Outdoor unit Refrigerant piping Signal
434. ts Do nol put the drainage pipe directly into drainage channels where gases such as sulfide gas can Ea occur Poisonous gases will flow into the room through drainage pipe and seriously affect the user s health and safety This can also and not to make air bleeding Check if the drainage is correctly done during commissioning and ensure the space for inspection and maintenance cause the corrosion ofthe indoor urit and a resultant uni fure or refrigerant kak e Ensure the insulation on the pipes for refrigeration circuit so as not to condense water Incomplete insulation could cause condensation and it would wet ceiling floor and any other valuables Connect the pipes for refrigeration circuit securely in installation work before compressor is operated s Do not install the outdoor unit where is likely to be a nest for insects and small animals 1 the compressor is operated when the service valve is open without connecting the pipe it could cause explosion and injuries due 0000 0 Insects and small animals could come into the electronic components and cause breakdown and fire instruct the user to to abnormal high pressure in the system keep the surroundings dean Stop the compressor before removing the pipe after shutting the service valve on pump down work Q Pay extra attention carrying the unit by hand It the pipe is removed when the compressor is in operation with the service valve open air would be mixed in the refrigera
435. ts with the compressor s target frequency at A rps When the outdoor air temperature Tho A is 35 C or higher it starts at C rps b At 30 seconds after the compressor start the compressor s target frequency is changed to B rps and the compressor s operation frequency is fixed for 10 minutes Operation mode 71 Cooling Dehumidifying 100 Cooling Dehumidifying 125 140 Cooling Dehumidifying 2 Low frequency operation control during heating Control condition When the conditions of compressor protection start III are established and one of following conditions and b is satisfied the low number of revolutions operation control is performed during heating a At 30 minutes or more after turning the power supply breaker on b Compressor underneath temperature Tho H is 4 C or higher and the difference from the outdoor air temperature Tho A becomes 4 C or higher model 200 250 only Control contents Starts the compressor with its target frequency at rps However when the indoor unit return air temperature ThI A is 25 C or higher it start at C rps b At 30 seconds after the start of compressor the compressor s target frequency is changed to B rps and the compressor s operation frequency is fixed for 10 minutes Operation mode Heating Heating 125 140 Heating 10 PAC SM 137 4 Outdoor unit fan control a Outdoor unit fan tap and fan motor speed E Unit
436. tton only after completing the filter cleaning OPERATION MODE select button Every time this button is pressed displays switch as below AUTO COOL gt HEAT p FAN 6 DRY ON TIMER button H ROOM TEMP TIME SETTING button Sets room temperature by pressing ZS or DZ button Sets time when setting the time OFF TIMER button Sets OFF TIMER operation TIMER CANCEL button Used to cancel the TIMER SETTINGS TIME SET UP switch RESET switch Sets current time Used to reset the microcomputer displays are described in the liquid crystal display for explanation 10 PAC SM 137 1 2 Operation control function by the wired remote controller 1 2 3 Switching sequence of the operation mode switches of remote controller gt gt n NL M i a8 X CPU reset This functions when CHECK and GRILL buttons on the remote controller are pressed simultaneously Operation is same as that of the power supply reset Power failure compensation function Electric power supply failure This becomes effective if Power failure compensation effective is selected with the setting of remote controller function e Since it memorizes always the condition of remote controller it starts operation according to the contents of memory no sooner than normal state is recovered after the power failure Alth
437. ture Reduces compressor frequency at each minute Retention 81 85 Power transistor temp i Anomalous power transistor current 1 Prevents over current on the inverter If the current value in the power transistor exceeds the setting value the compressor stops 2 If the current value in the power transistor exceeds the specified value and the compressor stops 4 times within 30 minutes E42 is displayed on the remote controller and it enters the anomalous stop mode j Anomalous inverter PCB If the power transistor detects any anomaly for 15 minutes including the stop of compressor E51 is displayed on the remote controller and it enters the anomalous stop mode Anti frost control by the compressor frequency control 1 Tf the indoor unit heat exchanger temperature detected with Thi R exceeds the setting value at 4 minutes after the start of compressor the compressor speed frequency is controlled to initiate the anti frost control of indoor unit heat exchanger 2 When there are 3 indoor unit heat exchanger temperatures Thi R the lowest temperature is detected Reset Reduces compressor frequency at each minute L3 3 5 Indoor unit heat exchanger temp 3 Regarding the anti frost control by the operation stop refer to the operation control function by the indoor unit controller and the cooling dehumidifying frost prevention of page 10 1 9 10 e PA
438. two seconds Then proceed to lower limit position selection display the position of the louver EXAMPLE displayed for two seconds II LORS shows curront setting B Pross or w button Selection of lower limit position Select the lower limit position of louver position 1 is the most horizontal and position 6 is the most downwards position is to return to the factory setting If you need to change the setting to the dofault setting use position P the most horizontal E the most downwards retur to tho dofautt setting Press 8 SET button i in of the lower limit position Upper limit position and lower limit position are fixed and the set positions are displayed for two seconds then setting is completed After tho setting is completed the louver which was set moves from the original position to the lower limit position and goes back to the original position again This operation is not performed if the indoor unit and or indoor unit fan is in operation EXAMPLE W W 16 displayed for two seconds SET COMPLETE OW A 10 Press ooworr button Louver adjusting mode ends and retums to the original display Caution If the upper limit position number and the lower limit position number are set to the same position the louver is fixed at that position auto swing does not function ATTENTION M you press RESET button during settings the display wil
439. ue 6P Orange ee ee Remote start stop button or timer point PCB Printed Circuit Board 1 Remote start stop kit CNT connector local vendor model Function Connector Made by molex 5264 06 Caan cua para und je Output 2 Heating output there is output when operatio MODE Io HEATING Terminals Made by molex 5263T Output 3 Compressor ON output there is output when compressor is in operation Output 4 output are cuit whan uitis stopped by em Remote operation input Volt free contact Inputted to operate unit DTroubleshooting The operation data is saved when the situation of abnormal operation happen and the data can be confirmed by remote controller Operating procedure 1 Press the CHECK button Error Code of indoor unit The display change OPER DATA Y EE 2 Once press the W button and the display change ERORDAT nu Continuous blinking 3 Press the G SET button and abnormal operation data mode is Fault on power indoor power off or lack started 4 When ony one indoor unitis connected to remote controller folowing OTEC id ai roots mt is displayed Notsue ___ ____ indoorcomputerabnormal CDThe case that there is history of abnormal operation LIII en door 4 Indoor heat e sensor interrupted or or code and DATA LOADING i
440. ugeau e Duunp seb pabieuosip enp uiu e ayinb uoea ued eoejins y sung jeuosjed 10 uomejedo e Buunp uo uonesuapuoo y seuio2 yey ayem Buiddup woy juaAeJd pajejnsui yeay Ajasndas jsnui sedid seb y ejqeo Jo uomejnsui 1eeu asned yeay 100d e4nyejedure e JO 0 02 puejsuyi ULI Durgejnsui yeay e asn 2 sjoejje Husnes Duiddup 10 yea JejeM 3jnsa1 ues Duisseip yeay 1edoJdui uoesuapuoo Jo uonuaAaJd pue yeay 104 sedid pue 0 sadid jue1961481 55910 1 fossaoou odi TTE pue 8 aq oj paeu sadi Jeued eu JO epis uo uonne y yua edid y euinjoA eu UMOP Md eJnjrej JossaJduio9 e asneo ued Guo e jo AQUeNb ue yun y Og uu e ejejduioo yun si e euinjoA aui
441. uit and it could cause explosion and injuries due to abnormal high pressure in the cooling cycle Only use prescribed optional parts The installation must be carried out by the qualified installer I you install the system by yourself it can cause serious trouble such as walter leaks electric shocks fire 900 not repair by yourself And consult with the dealer about repair Improper repair may cause water leakage electric shock or fire Consult the dealer or a specialist about removal of the air conditioner Q Improper installalion may cause water leakage electric shock or fire Tum off the power source during servicing or inspection work e If the power is supplied during servicing or inspection work it could cause electric shock and injury by the operating fan 900 not run the unit when the panel or protection guard are taken off Touching the rotating equipment hot surface or high voltage section could cause an injury to be caught in the machine to get OQ bumed or electric shock Shut off the power before electrical wiring work It cause electric shock unit failure and improper running 10 PAC SM 137 0120621 A CAUTION Perform earth wiring surely Do not connect the earth wiring to the gas pipe water pipe lightning rod and telephone earth wiring improper earth could cause unit failure and electric shock due to a short circuit Earth leakage breaker must be installed t It
442. un jo sajejsseoau uoseaJ vaum e Duibexoed uonejjeisur o ejqrssod se se jun eu Je Neg e wed uapoow pue aoue eq Jjo umowy aq uea jun a paouejeq jou JI uonisod 18ju82 Aynes6 sy jo yasyo ey uoneJepisuoo aye 10 PASOU SI jun e vouu NOILAVO Y suosiad 10 yim ue uuoped pue yun y Jo Durueo NOLIWTIVLSNI ONY 39V 1n VH 1 160 10 e PAC SM 137 anea uorsuedxe Jo aqn wos aunyey pareas ase pazipixo jo Ajguenb e seh MOM Si 185 edid anof payddns yenuew oui eos Jeeu pue PAMA HOM uontjresul JO SIEI P eu 104 fuossaooe ue se paddns uonejnsur jeau uy passaip aq snw ped v ajqissod se yun Joopul ue oy esop se uod e ye eq pinous adid v aq Jo ved aq edid esu v Ryoedeo payes au 0 SHUN Joopuy ug jo auo in20 uonnqunsip e adid
443. unication circuit Outdoor control Defective outdoor control on the way of power supply 2 times x Stays OFF Stays PCB Replacement Fuse Blown fuse Indoor heat Defective indoor heat exchanger temperature thermistor defective element bro Replacement repair exchanger tempera ken wire short circuit of temperature ture thermistor Poor contact of temperature thermistor connector thermistor Keeps 1 time flash PS Stays OFF T s flashing Indoor control PCB Defective indoor control PCB Defective temperature thermistor input Replacement of circuit PCB Indoor return air Defective indoor return air temperature thermistor defective element broken wire Replacement repair temperature therm short circuit of temperature istor Poor contact of temperature thermistor connector thermistor Keeps 1 time flash Stays OFF flashing Indoor control Defective indoor control PCB Defective temperature thermistor input Replacement of circuit PCB Keeps t Installation or oper flashing ating condition Heating over load Anomalously high indoor heat exchanger temperature Repair Indoor heat Replacement of exchanger tempera Defective indoor heat exchanger temperature thermistor short circuit temperature therm ture thermistor istor Keeps flashing Keeps 1 time flash flashing Stays OFF Replacement of Indoor control PC
444. ure as shown by the right figure However it excludes for 10 minutes after the start of compressor and the outdoor air temperature is as shown by the lower figure LPT invalid LPT detection 2 4 Outdoor air temp Note 1 Figures in are for model 71 2 Defrosting conditions B a b c When previous defrosting end condition is the time out of defrosting operation and it is in the heating operation after the cumulative compressor operation time after the end of defrosting has become 30 minutes After 5 minutes from the start of compressor After 5 minutes from the start of outdoor unit fan b Defrosting end conditions When any of the following conditions is satisfied the defrosting end operation starts 1 When it has elapsed 8 minutes and 20 seconds after the start of defrosting After 10 minutes and 20 seconds for model 71 2 When the outdoor unit heat exchanger temperatures Tho R1 R2 whichever the lower becomes 12 or higher for 10 seconds continuously Model 71 140 10 PAC SM 137 2 2 3 RS 2 et V amp e 5 S S B 15 x oS 50 SS S ES CAE SU a
445. ut on remote controller N A maximum of two remote controllers can be connected to one indoor unit or one group of indoor units oom slave setting when more than one remote controllers are used Switch Setting Contents M Master remote controller 5 Slave remote controller Indoor units Swt Upper Remote controller 1 SW1 Slave 1 1 Remote controller SW1 Master Lower Set SW1 to Slave for the slave remote controller It was factory set to Master for shipment Note The setting Remote controller thermistor enabled is only selectable with the master remote controller in the position where you want to check room temperature The air conditioner operation follows the last operation of the remote controller regardless of the master slave setting of it Caution When using multiple remote controllers the following dispiays or settings cannot be done with the slave remote controller It is available only with the master remote controller Louver position setting set upper or lower limit of swinging range Setting indoor unit functions Setting temperature range Operation data display Error data display Silent mode setting Test operation of drain pump Ne Remote controller sensor setting 7 10 PAC S
446. utes delay it starts again automatically but if this anomaly occurs 5 times within 60 minutes after the initial detection 4 Presumable cause Defective outdoor control PCB Foreign material at rotational area of fan propeller Defective fan motor Dust on outdoor control PCB Blow fuse External noise surge Diagnosis Countermeasure Does any foreign material intervene in rotational area of fan propeller NO YES Does the fan rotate smoothly when turned by hand Is DC280V detected between CNFAN D red blue of fan motor connector YES gt NO gt Is F2 fuse blown NO gt Power supply reset YES gt Is normal state restored Note 1 Fuse of model 71 is F3 NO gt YES gt Remove foreign material Replace fan motor If resistance between Vm red GND blue is detected 1kQ or lower it is faulty Check power supply voltage Replace faulty fan motor and control PCB Replace fan motor If anomaly persists after replacing fan motor replace control PCB Malfunction by temporary noise Note When E48 error occurs in almost cases F2 fuse 4A Model 71 F3 fuse 2A on the outdoor control PCB is blown There are a lot of cases that fuse is blown and E48 occurs due to defective fan motor And even though only the outdoor control PCB or fuse is replaced anoth
447. uts It will cause unexpected stress on the indoor unit and it will lead to deformation of the unit failure of attaching a panel and generating noise from the an Make sure to install the indoor unit horizontally and set the gap between the unit underside and he ceiling plane properly Improper installation may cause air leakage dew condensation water leakage and noise Even after decorative panel attached still the unit height can be adjusted finely Refer to the installation manual for decorative panel for details Make sure there is no gap between decoration panel and ceiling surface and between decoration panel and the indoor unit The gap may cause air leakage dew condensation and water leakage n case decorative panel is not installed at the same time or ceiling material is installed after the unit installed put the cardboard template for installation attached on the package packing material of cardboard box on the bottom of the unit in order to avoid dust coming into the indoor unit 5 Refrigerant pipe Use the new refrigerant pipe When re using the existing pipe system for R22 or R407C pay attention to the following items Change the flare nuts with the attached ones JIS category 2 and reprocess the flare parts Do not use thin walled pipes Use phosphorus deoxidized copper alloy seamless pipe C1220T specified in JIS H3300 for efrigeration pipe installation n addition make sure there i
448. vention at heating At the startup of heating operation at resetting of the thermostat during defrost operation and at returning to heating the indoor fan is controlled by the indoor heat exchanger temperature detected with Thi R for preventing the cold draft Judgment by heating start thermostat Thermostat OFF Thermostat ON Set airflow volume Lo Set airflow volume Fan Fan i gt Lo OFF 35 25 35 Indoor heat exchanger temperature Indoor heat exchanger temperature Heat exchanger temp 35 or higher or after 7 minutes Heat exchanger temp 35 C or higher or after 7 minutes Normal condition Set airflow volume Compressor Compressor OFF Defrosting start End of defrosting Set airflow volume Set airflow volume Lo Fan Lo 1 i 3 25 35 45 Indoor heat exchanger temperature Indoor heat exchanger temperature Note 1 Heating preparation is displayed during the hot start when the compressor is operating and the indoor fan does not provide the set airflow volume ees 9 h i 0 10 e PAC SM 137 Hot keep control is performed at the start of the defrost control 1 2 Control a When the indoor heat exchanger temperature detected with Thi R1 or R2 drops to 35 C or lower the speed of indoor fan is changed to the lower tap at ea
449. wire connecting Waterproof treatment is necessary at the wire connecting section Be careful about contact failure 100 200m m 0 5mm x 2 cores Under 300m 0 75mm x 2 cores Under 400m 1 25mm x 2 cores Under 600m 2 0mm x 2 cores Master slave setting when more than one remote controllers are used A maximum of two remote controllers can be connected to one indoor unit or one group of indoor units Switch Setting Contents M Master remote controller 5 1 S Slave remote controller Upper 1 1 it 1 1 ls swe 1 Remote controller 1 Remote controller swt SW1 Maste SWi Slve 1 E Board Sei ere er ay oce Lower Set SW1 to Slave for the slave remote controller It was factory set to Master for shipment Note The setting Remote controller thermistor enabled is only selectable with the master remote controller in the position where you want to check room temperature The air conditioner operation follows the last operation of the remote controller regardless of the master slave setting of it The indication when power source is supplied When power source is turned on the following is displayed on the remote controller until the communication between the remote controller and indoor unit settled Master remote controller Te Slave remote controller ttl Tet 5 At
450. work completed Check if Expected trouble The indoor and outdoor units are fixed securely Falling vibration noise Inspection for leakage is done Insufficient capacity Insulation work is properly done Water leakage Water is drained properly Water leakage Supply voltage is same as mentioned in the model name plate PCB burnt out not working at all There is mis wiring or mis connection of piping PCB burnt out not working at all Earth wiring is connected properly Electric shock Cable size comply with specified size PCB burnt out not working at all Any obstacle blocks airflow on air inlet and outlet Insufficient capacity selection on blower unit when the high peformance filter is used The fan tap s factory setting is Standard If you want to change it to the high static pressure setting you can avail yourself of the following two methods Use one of the two methods to set the fan tap Make sure to perform the functional setting with remote controller Select VU FUNCTION in the functional setting mode and change the function number 02 FAN SPEED SET For operation method refer to the user s manual of the remote controller Function number A Functional content Setting content C Default setting Standard High Speed 1 02 Fan Speed Set UNIT Standard Tap 60 High Speed 1 Tap 130 A CAUTION
451. y a power provider of the country and be executed according to the technical standards and other regulations applicable to electrical installation in the country Be sure to use an exclusive circuit Use specified cord fasten the wiring to the terminal securely and hold the cord securely in order not to apply unexpected stress on the terminal Do not put both power source line and signal line on the same route It may cause miscommu nication and malfunction Be sure to do D type earth work For the details of electrical wiring work see attached instruction manual for electrical wiring work Remove a lid of the control box 2 screws Hold each wiring inside the unit and fasten them to terminal block securely Fix the wiring with clamps Install the removed parts back to original place Power source side Signal side Signal side terminal block terminal block Power source sid terminal block p terminal block lock f 8 JI Shielded cord HES Remote controller line f i Hi W controller line Superlynk line Shielded cord connecting ine Clamp for wiring at site Eh Multi unit wiring connection Clamp for wiring at site Single unit wiring connection Check list after installation Check the following items after all installation
452. ythe W button the abnormal operation data is displayed Displayed data item is based on X Depending on models the items that do not have corresponding data are not displayed 9 To display the data of a different indoor unit press the AIR CON No button which allows you to go back to the indoor unit slection screen 10 Pressing the DON OFF button will stop displaying data Pressing the RESET button during remote control unit operation will undo your last operation and allow you to go back to the previous screen If two 2 remote controllers are connected to one 1 indoor unit only the master controller is available for trial operation and confirmation of operation data The slave remote controller is not available 170 HYPER INVERTER PACKAGED AIR CONDITIONERS E MITSUBISHI HEAVY INDUSTRIES LTD Air Conditioning amp Refrigeration Systems Headquarters 16 5 2 chome Kounan Minato ku Tokyo 108 8215 Japan Fax 03 6716 5926 Because of our policy of continuous improvement we reserve the right to make changes in all specifications without notice Copyright MITSUBISHI HEAVY INDUSTRIES LTD

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