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1. Group wire Remove the group wire Group wire of the terminal blocks Remote A and B of the changed Remove CN41 connectors of the Remote controller indoor unit and then install indoor units other than the units controller the remote controller only to be changed in the same group 101 FILE NO SVM 13011 3 Wiring the setting data to EEPROM The settings stored in the EEPROM of the P C board for indoor unit servicing are the factory set values Step1 Push e buttons on the remote controller simultaneously for more than 4 seconds In the group control operation the unit No displayed for the first time is the header unit No Fig 1 2 gt ALL is displayed in the Unit No box i gt poe At this time the CODE No DN shows 7 Also the 3 4 fan of the indoor unit selected starts its operation and CED the swing operation starts if it has the louvers 5 M CES CES Step2 Every time when the button is pushed the indoor DHG ES unit Nos in the group control operation are displayed in 6 order 2 The settings stored in the EEPROM of the P C 1 E 2 board for indoor unit servicing are the factory set values Specify the indoor unit No with its
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3. a i 106 FILE NO SVM 13011 11 2 MMU AP0214HP E 04 64 484 564 AP0564HP E MMU AP0274HP E AP0304HP E ANI 4 ws L Rj LL 7 1 9 N EEE MESH f gt lt Y VS I ON GH KIA OQ 107 FILE NO SVM 13011 EHE _ S S O aa La 4 202 206 208 21 REFRIGERATION CYcleASSY 1 3 212 43744500 REFRIGERATION _ J 31 1 7 214 2 6 2 0 HOSE 222 229 224 paw _______ _ o 225 sexus 1 1 tT 226 _ 4 4 4 229 pockerae J o 1 1 231 umo Nurmame seN 3 3 23s socket 5n 11111111 294 _ RUBBER CUSHION s
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7. been open short circuited 2 Outdoor liquid temperature Outdoor liquid temperature sensor TL has been 07 B FO7 ALT sensor TL error open short circuited Outdoor outside air F08 F08 ALT temperature sensor 4 4 F11 F11 60 Check code Display of receiving unit Outdoor 7 segment display Sub code TCC LINK central control or main remote controller display Indicator light block Flash Typical fault site FILE NO SVM 13011 Description of error F12 Outdoor suction temperature sensor TS1 error Outdoor suction temperature sensor TS1 has been open short circuited 01 Compressor 1 F13 02 Compressor 2 03 Compressor 3 Outdoor IGBT built in temperature sensor TH error Open circuit or short circuit of the outdoor IGBT built in temperature sensor TH was detected Outdoor temperature sensor TE1 TL wiring error Wiring error in outdoor temperature sensors TE1 TL has been detected Outdoor pressure sensor Pd Ps wiring error Wiring error in outdoor pressure sensors Pd Ps has been detected Outdoor discharge temperature sensor TD3 error Outdoor discharge temperature sensor TD3 has been open short circuited Low pressure sensor Ps error Output voltage of low pressure sensor Ps is zero High pressure
8. agdress Sening I A other refrigerant line setting progress Outdoor outdoor E23 E23 e e o communication Signal cannot be transmitted to other outdoor transmission error E25 E25 Duplicated follower There is duplication in outdoor addresses set outdoor address manually Follower outdoor unit initially communicating E26 Address of outdoor unit from which E26 Dropping out of outdoor normally fails to do so reduction in number of signal is not received normally unit follower outdoor units connected Outdoor header unit detects fault relating to E28 outdoor unit No E28 e Outdoor follower unit error follower outdoor unit detail displayed on follower outdoor unit DU Fan A3 IPDU Fan 3IIPDU 1 2 3 0 0 0 00 There is communication between IPDUs E31 10 lol o E31 Oo IPDU communication error boards in inverter box 0 OE 00 O 0 O 0 0 Faulty IPDU 090 Outdoor discharge FM temperature sensor Outdoor discharge temperature sensor TD1 has i Outdoor discharge Fos R5 ALt temperature sensor Outdoor discharge temperature sensor has error Outdoor heat exchanger 01 TE1 Outdoor heat exchanger temperature sensors F06 02 ALT temperature sensor
9. FILE NO SVM 13011 Check code Main remote controller Outdoor 7 segment display Check code Sub code Location of detection Description System status Error detection condition s Check items locations L30 Detected indoor address L30 Indoor unit External interlock of indoor unit Stop of corresponding unit Signal is present at external error input terminal 80 for 1 minute When external device is connected to CN80 connector 1 Check for defect in external device 2 Check for defect in indoor P C board When external device is not connected to CN80 connector 1 Check for defect in indoor P C board L31 VF Extended IC error Continued operation There is part failure in P C board I F Check outdoor P C board I F 1 Indoor unit Indoorfan motor error Stop of corresponding unit Check the lock of fan motor AC fan Check wiring POS POS VF Discharge temperature TD1 error All stop Discharge temperature TD1 exceeds 115 C Check outdoor service valves gas side liquid side to confirm full opening Check outdoor PMVs PMV1 2 4 for clogging Check resistance characteristics of TD1 sensor Check for insufficiency in refrigerant quantity Check for defect in 4 way valve Check for leakage of SV4 circuit Check SV4 circuit wiring or installation error in
10. 2 6 VALVE PMV ErMaoveTcTH 4 3 2 0 1 2 2 2 9 224 225 226 4 229 semi pockerae 25 _ Nurmam seN 3 socket 5n J oo oo 294 RUBBER 295 Pare wno 296 43797315 SCREW FIXPANEL 4 4 4 4 4 257 RUBBER CUSHION O o Te 3 259 299 MOTOR FAN cF 2801501 240 moron FAN SWF 230602R 3 3 21 covRasv ooo oo 22 uses om O 31 3 L3 244 _ Pume assy 245 SWITCH assy FLOAT 1 31 31 1 3 246 f 3 3 1 3 247 71 0 assy ornan 2 wase e 2 260 5 _ poweraem 259 powersem 3 3 L3 1 25 NUT FLARE aem n 256 _ 43T19393 HOLDER SENSOR 2 2 2 2 2 257 paw Host St 1 Pt 1 7258 sheer
11. 1 FILTER RESET TEST SET UNIT LOUVER Cancel of line selection If the UNIT No is not call up here the outdoor unit in that Wg does not exist Push button to select a line again in the Procedure 2 Rm nn n H eum SET fan MODE B Finish SAVE VENT FILTER RESET TEST SWING FIX UNIT LOUVER When you want to 5 complete the setting lt Operation procedure gt 6 7 8 END FILE NO SVM 13011 B Function to clear error 1 Clearing method from remote controller How to clear error of outdoor unit In the unit of refrigerant line connected by indoor unit of the remote controller to be operated the error of the outdoor unit currently detected is cleared Error of the indoor unit is not cleared The service monitor function of the remote controller is utilized Method 1 2 TEST Push 5 2 buttons simultaneously for 4 seconds or more to change the mode to service monitor mode Push gt button to set the CODE No to FF The display of A part in the following figure is counted as 0007 5 10104 gt GG with 5 seconds interval When 217 appear the error was cleared However counting from 475 is repeated on the display scree
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13. 5 J 108 FILE NO SVM 13011 Electric parts 40s 12750077 SERVICE SENSOR 3 3 3 3 14 _ 404 TERMINAL BLOCK 4p 405 4sreosos sRVTERMNAL 25 204 406 a ooo 0 0274HP E 0304HP E 0364 0484HP E 0564HP E a02 49750876 SRvicESENSOR TA 1 1 31 1 1 405 1375077 SERwCESENSOR M 1 3 3 404 109 FILE NO SVM 13011 11 3 MMU AP0094HP TR 124 154 APO184HP TR APO244HP TR MMU AP0094HP TR APO124HP TR 233 252 253 229 251 254 255 241 236 234 248 240 247 228 257 230 231 232 227 226 224 225 M 222 246 27 7 205 244 260 202 249 242 223 211 210 245 265 207 206 110 FILE NO SVM 13011 PMP meme panno Description 0 0094 0124HP TR 0154HP TR 0184HP TR 0244 206 43T72911 pan assy onan 1 1 207 4372912 pan assy 209 43744497 REFRIGER
14. 6 9 outdoor unit its refrigerant line and operating status are monitored 9 Operation procedure 4 Push e button to return the status to the 1 2 gt 3 4 normal display 3 Returns to normal display BO FILE NO SVM 13011 Target outdoor unit SMMS SHRM Mini SMMS Series 1 2 CODE No Data Remote controller display example Indoor unit 00 Room temperature in control 1 data 01 Room temperature Remote controller 02 Air Temperature TA 0024 24 03 Coil Temperature TCJ 04 Coil Temperature TC2 05 Coil Temperature TC1 08 PMV 0050 500 pls System unit 0A Number of connected indoor units 0048 48 data 0B Total horse power of connected indoor units 0415 41 5 HP Number of connected outdoor units 0004 4 00 Total horse power of outdoor units CODE No Data Format 0420 42 HP Remote controller display example Individual Discharge temperature of compressor 1 data 1 of Td1 x1 outdoor Discharge temperature of compressor 2 unit 3 Td2 x1 0024 24 Detection pressure of high pressure sensor Pd x1 Detection pressure of low pressure sensor Ps x1 0123 1 23 MPa Suction Temperature TS x1 Coil Temperature 1 TE x1 Liquid Temperature TL Outdoo
15. 77 129 For branch duct knockout square hole 0150 Ceiling panel sold separately Bottom face of ceiling Knockout for simple OA for 2100 Bottom face of ceiling Z view Unit mm FILE NO SVM 13011 2 WIRING DIAGRAM ol 49 o gu02 sse eJlM AS 20 pJeoq O d 77777 v ET a 212121 punoJB uonoejoud seyeoipul Q E 4 2 E 2 2 T i yoo g 201081 ania 274 10 y uo 10j5euuoo 679 vl C ci yun josuesduej opu VL 3ONVHO NHO MOTNJA uonoeuuoo y o ii ii Eo JOJO s ANIA ANA ALHA yooq jeuiuue y seyeorpur 2 ug ayy vec 1 AND seuosseooe y ejeoipul aul peusep poys alls Bum au seyeoipui rt im NOILVOIGNI LAH iie 97 36 E Lp Joo wa NOlLdO OLL 000000 947 987641 10X3 1 9 JooooGQl ee e
16. ICF 280 150 1 ICF 280 150 1 AP036 AP048 AP056 ASS 790 Under 20 88 Part name Suction grille 9 DETACHMENTS Procedure CAUTION Be sure to put on the gloves and long sleeved shirt at disassembling work otherwise an injury will be caused by a part etc 1 Detachment 1 Stop operation of the air conditioner and then turn off switch of the breaker 2 Slide the 2 knobs of the suction grille inward and then hang down the suction grille 3 Remove a strap connecting the panel and the suction grille and then remove the suction grille Attachment 1 Hook the suction grille to the panel 2 Attach strap of the suction grille to the panel as before 3 Close the suction grille slide the knobs outward and then fix the panel FILE NO SVM 13011 Remarks Knobs of the suction grille hook Suction grille m Adjust Ceiling panel corner cap Hook for falling preventive strap Hole for ceiling panel hook 5 Electric parts cover Detachment 1 Carry out work of item 1 of 1 2 Remove the fixing screw A which fixes the electric parts cover and loosen the fixing screw B 3 Pull down the electric parts cover remove pin of the bell mouth and then slide it to the arrow direction in order to open the claws and the electric parts box cover Attachment 1 Close the electric parts cover and slide it hook claw of the electric parts box claw of the
17. Check the following items after reinstallation 1 The earth wire is correctly connected 2 The power cord is not caught in the product 3 There is no inclination or unsteadiness and the installation is stable check is not executed a fire an electric shock an injury is caused When carrying out the pump down work shut down the compressor before disconnecting the refrigerant pipe Disconnecting the refrigerant pipe with the service valve left open and the compressor still operating will cause air etc to be sucked in raising the pressure inside the refrigeration cycle to an abnormally high level and possibly resulting in reputing injury etc FILE NO SVM 13011 When the service panel of the outdoor unit is to be opened in order for the compressor or the area around this part to be repaired immediately after the air conditioner has been shut down set the circuit breaker to the OFF position and then wait at least 10 minutes before opening the service panel If you fail to heed this warning you will run the risk of burning yourself because the compressor pipes and other parts will be very hot to the touch In addition before proceeding with the repair work wear the kind of insulated heat resistant gloves designed to protect electricians Take care not to get burned by compressor pipes or other parts when checking the cooling cycle while running the unit as they get heated while running Be sure to put on glov
18. OFF TIMER SET FAN MODE C aes SAVE VENT FILTER RESET TEST SET CL SWING FIX UNIT LOUVER CE Q Ov 1 2 6 7 Execute it while the units are stopped AQ 7 8 Push and hold the buttons at the same time for more than 4 seconds If 2 or more indoor units are controlled in a group the first indicated UNIT No is that of the head unit UNIT LOUVER Push the 9 button left side of the button repeatedly to select an indoor unit number to change if 2 or more units are controlled in a group The fan and louvers of the selected indoor unit are activated The fan of the selected indoor unit is turned on Push the TEMP buttons repeatedly to select for CODE No Push the TIME buttons repeatedly to change the value indicated in the SET DATA section to that you want Push the O button UNIT LOUVER Pushthe button left side of the button repeatedly to select another indoor UNIT to change Repeat steps 4 to 6 to change the indoor unit addresses so as to make each of them unique UNIT LOUVER Push the button left side of the button to check the changed addresses TEST If the addresses have been changed correctly push button to finish the procedure 2 49 FILE NO SVM 13011 B How to change all indoor addresses from an arbitrar
19. 2 Loosen screws 3 positions fixing the drain cap outside and then turn the drain cap to the arrow mark direction to remove it NOTE The drain cap is hung down because a strap is attached to it outside 3 Loosen the cap by turn the drain cap inside for approx 1 turn to OPEN direction and then drain the drain water accumulated in the drain pan NOTE Be sure to catch drain water using a bucket etc when loosening the drain cap The insulating materials are adhered to the drain cap outside and opening part of the drain pan be careful that they are not come off If they are come off stick them as before using double faces tape etc 4 Turn the drain cap once again to OPEN direction to remove it 2 Attachment 1 Insert the drain cap inside turn it to CLOSE direction until the position where Clashed sound is heard and it cannot be turned more over Position where mark of the drain pan matches with A mark of the drain cap inside and then fix it NOTE When attaching the drain cap inside remove dirt attached to the packing And tighten in it noting so that the cap is not slantingly set If attaching the drain cap as dust or dirt is attached or the cap is set slantingly water leakage is caused 2 Turn the drain cap outside to direction and then attach it using the fixing screw as original 3 Following to work of item 2 of 1
20. G H BA FILE NO SVM 13011 SERVICE MANUAL AIR CONDITIONER MULTI TYPE INDOOR UNIT lt 4 way cassette type gt MMU AP0094HP E MMU AP0124HP E TR MMU AP0154HP E TR MMU APO0184HP E TR MMU AP0244HP E TR MMU AP0274HP E TR MMU AP0304HP E TR MMU AP0364HP E TR MMU APO0484HP E TR MMU APO0564HP E TR HFC FILE NO SVM 13011 Original instruction Adoption of New Refrigerant This Air Conditioner is a new type which adopts a new refrigerant HFC R410A instead of the conventional refrigerant R22 in order to prevent destruction of the ozone layer CONTENTS SAFETY CAUTION 04 04 4422 3 1 CONSTRUCTION VIEWS EXTERNAL VIEWS 15 1 1 MMU AP0O094HP APO124HP J Ennn 15 1 2 MMU APO154HP APO184HP 16 1 3 MMU APO244HP APO274HP APOSO4HP 17 1 4 MMU AP0364HP APO484HP APOBGAHP 18 2 WIRING DIAGRAM 4 19 3 PARTS RATING 4 20 4 REFRIGERATING CYCLE DIAGRAM eee 21 5 CONTROL OUTLINE 22 6 CONFIGURATION OF CONTROL CIRCUIT 32 7 APPLIED CONTROL 40 8 TROUBLESHOOTING 57 9 DETACHMENTS 89 10 P C BOARD EXCHANGE PROCEDURES 100 11 EXPLODED VIEWS AND PARTS LIST 105 FILE NO SVM 13011 SAFETY CAUTION Please read carefully through these instruc
21. OFF ON Tap HEAT COOL HEAT COOL HEAT COOL 3 In heating operation the mode changes to LL if thermostat is turned off Prevention of cold air discharge In heating operation the higher temperature of TC2 sensor and TCJ sensor is compared with temperature of TC1 sensor and then the lower temperature is used to set the upper limit of the fan tap When B zone has continued for 6 minutes the operation shifts to C zone n defrost time the control point is set to 6 C 32 30 28 26 20 16 25 A zone OFF B zone C zone D zone TCJ Temperature of indoor heat exchanger sensor n D and E zones priority is given to remote control ler air speed setup In A zone is displayed Over 26 C below 28 C ULTRA LOW LL Over 28 C below 30 C LOW L Over 30 C below 32 C MED H E zone HIGH HH Freeze prevention control Low temp release Outline of specifications In all cooling operation the air conditioner operates as de scribed below based upon temp detected by TC1 TC2 and TCJ sensors When J zone is detected for 5 minutes the thermostat is forcedly off n zone the timer count is interrupted and held e When zone is detected the timer is cleared and the operation returns to the normal operation e f J zone co
22. Push TEST button to clear the TEST mode TEST display in the display part disappears and status becomes the normal stop status Note The test run returns to the normal operation after 60 minutes m FILE SVM 13011 In case of wireless remote controller 1 When TEMPORARY button is pushed for 10 seconds or more Pi sound is heard and the operation changes to a forced cooling operation After approx 3 minutes a cooling operation starts forcedly Check cool air starts blowing If the operation does not start check wiring again 2 To stop a test operation push TEMPORARY button once again Approx 1 second Check wiring piping of the indoor and outdoor units in forced cooling operation TEMPORARY button FILE NO SVM 13011 B Check function for operation of indoor unit Functions at indoor unit side This function is provided to check the operation of the indoor unit singly without communication with the remote controller or the outdoor unit This function can be used regardless of operation or stop of the system However if using this function for a long time a trouble of the equipment may be caused Limit using this function within several minutes How to operate 1 Short circuit CHK pin CN71 on the indoor P C board The operation mode differs according to the indoor unit status in that time Normal time Both float SW and fan motor are normal Abnormal time Either one of floa
23. 2 Connection of wired remote controller kit Indoor unit 1 Header FILE NO SVM 13011 Network adaptor Option interface P C board MCC 1401 Remote controller communication circuit 1 1 model connection Indoor control P C board MCC 1570 DC20V Switch setup Indoor Outside output Start Alarm Ready Thermostat ON COOL HEAT FAN Fan motor fan motor control circuit Max 8 units are connectable 1 Power supply 10220 240 50Hz 10220 60Hz U1 Eprom Wireless remote 2 3 Follower controller kit Receiving circuit BUS communication circuit U2 Indoor Outdoor communication U2 Outdoor unit Remote controller communication circuit Y Receiving P C board Emergent operation SW Same as left Function 2 setup SW Display LED Power supply Power supply 1 Outdoor Outdoor unit unit 1 However in a case that the 1 1 model connection interface is installed when 2 wireless remote controller kits are connected maximum 7 units are connectable 2 The 1 1 model connection interface is installed to only 33 FILE NO SVM 13011 3 Connection of both wired remote controller and wireless remote controller kit Indoor unit 1 Header Network adaptor Option Wired Simple header remote controller Function setup Key swi
24. indoor unit is shut down with alarm while follower indoor units continue operating Indoor Indoor inter Stop of Communication cannot be Check for defect in indoor E unit MCU corresponding established maintained P C board 10 communication unit upon turning on of power or error during communication 01 VF Automatic All stop Indoor automatic address Perform automatic address Indoor outdoor address starting setting is started while setting again after communication error automatic address setting disconnecting 02 for equipment in other communication cable to Outdooroutdoor refrigerant line is in that refrigerant 12 12 communication progress Outdoor automatic address setting is started while automatic address setting for indoor units is in progress VF Indoor unit not All stop Indoor unit cannot be Check connection of found during detected after indoor indoor outdoor automatic automatic address setting is communication line address setting started Check for error in indoor power supply system is EU T Check for noise from other devices Check for power failure Check for defect in indoor P C board 00 VF Too many All stop Combined capacity of Check capacities of indoor Overloading indoor units indoor units exceeds 135 units connected 01 connected of combined capacity of Check combined HP No of units outdoor units capacities of indoor units connected Note Check HP capacity If this code comes up settings
25. mount the suction grille as before is Dus FILE NO SVM 13011 Remarks Drain cap outside Drain cap fixing screws Drain cap inside Drain cap mark Drain pan Part name Fan motor Procedure 1 Detachment 1 Carry out work of item 1 of 2 2 Remove connectors which are connected from the control P C board to the other parts and then remove each wiring from the clamp CN510 Louver motor 20P White CN34 Float switch 3P Red CN504 Drain pump 2P White CN100 TC1 sensor Brown CN101 TC2 sensor 2P Black CN102 TCJ sensor 2P Red CN104 Room temp Sensor 2P Yellow CN333 Fan motor power supply 5 White CN334 Fan motor position detection 3P White CN82 PMV 6P Blue NOTE Unlock the lock of the housing part and then remove the connector 3 Remove the fixing screws A and B and then remove the electric parts box Fixing screw O4 x 10 3 pcs Fixing screw B 04 x 8 1 pc 4 Remove the fan motor lead TC sensor and TCJ sensor from clamp of the bell mouth 5 Remove the fixing screws and then remove the bell mouth 04 x 10 8 pcs 6 Remove the fixing screws and then remove the nut cap O4 x 10 2 pcs 7 Remove the fixing nut and then remove the turbo fan M8 nut with flange 1 pc 8 Remove the fixing screws and then remove the motor lead holding bracket x 8 2 pcs 9 Cut the bundling band and
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27. Louver type Air direction adjustment 0000 0003 0004 No louver 2 way Cassette type 4 way Cassette type 0001 Swing only 0002 1 way Cassette type Ceiling type According to type Temp difference of AUTO mode selection COOL gt HEAT HEAT gt COOL 0000 0 deg to 0010 For setup temperature reversal of COOL HEAT by Data value 2 10 deg 3 deg Ts 1 5 Automatic restart of power failure 0000 None 0001 Restart None Selection of option error input CN70 0000 0002 Filter input None 0001 Alarm input Air washer etc None HA terminal CN61 select 0000 0002 Usual Fire alarm input 0001 Leaving ON prevention control Usual HA terminal Ventilating fan control 0000 Unavailable 0001 Available Unavailable TA sensor selection 0000 Body TA sensor 0001 Remote controller sensor Body TA sensor Temperature unit select 0000 at factory shipment 0001 e Swing mode 0001 0003 Standard Cycle swing 0002 Dual swing Standard Louver fixed position Louver No 1 0000 0005 Release Downward discharge position 0001 Horizontal discharge position Not fixed Louver fixed position Louver No 2 0000 0005 Release Downward discharge position 0001 Horizontal discharge position Not fixed Lo
28. The operation is performed as shown in the following figure according to Ta value at the first time only In the range of Ts 1 lt Ta Ts 1 Cooling thermo OFF Fan Setup air volume operation continues Cooling HL thermo ON HEU 1 0 Cooling thermo OFF at the first time only JJJ Heating TITI thermo ON In the SMMS i and Mini SMMS the automatic mode cannot be selected While a wireless remote controller is used the mode is notified by Pi Pi two times receiving sound and the alternate flashing of TIMER and READY To clear the alternate flashing change the mode on the wireless remote controller Ta Room temp Ts Setup temp Room temp control 1 Adjustment range Remote controller setup temperature HEAT AUTO 18 to 29 18 to 30 18 to 29 17 to 30 18 to 29 17 to 27 Wired type Wireless type 22 For SHRM only Room temp control Continued Outline of specifications 2 Using the CODE No 06 the setup temperature in heating operation can be corrected Setup data 0 2 4 6 0 2 4 6 Setup temp correction Setting at shipment FILE NO SVM 13011 Remarks Shift of suction temperature in heating operation Except while sensor of the remote controller is controlled Automatic capacity control 1 Based on the difference between Ta and Ts the opera tion capa
29. 015 9 Gas side Bottom face of ceiling 1 860 to 910 Ceiling open dimension Drain pipe connecting port Meterial PP Indoor unit FILE NO SVM 13011 1000 or more 15 or more 1000 or more 15 or more wii obstacle 1000 or more The space that is necessary for equipping and service 300 or less 661 or less Standing Standing 850 or less Bottom face of ceiling Drain upstanding size For branch duct knockout square hole 2150 950 Panel external dimension 780 Hanging bolt pitch 323 Hanging bolt M10 or 23 8 procured by locally 840 Unit external dimension For branch duct knockout square hole 8150 2 positions For branch duct knockout square hole 8150 NI gt 690 x 20 Hanging bolt pitch 840 Unit exte 269 rnal dimension Bottom face of ceiling 362 5 105 372 5 EN 0 I I 1 950 Panel external dimension Bottom face of ceiling 129 77 For branch duct knockout square 2150 Ceiling panel sold separately Bottom face of ceiling Bottom face of ceiling Indoor unit m 2 Z view Unit mm MMU AP0364HP
30. 5 41 SV42 SV43 P04 01 Compressor 1 side 02 Compressor 2 side 03 Compressor 3 side P04 IPDU Activation of high pressure SW All stop High pressure SW is activated Check connection of high pressure SW connector Check for defect in Pd pressure sensor Check outdoor service valves gas side liquid side to confirm full opening Check for defect in outdoor fan Check for defect in outdoor fan motor Check outdoor PMVs PMV1 2 for clogging Check indoor outdoor heat exchangers for clogging Check for short circuiting of outdoor suction discharge air flows Check SV2 circuit for clogging Check for defect in outdoor P C board I F Check for error in indoor fan system possible cause of air flow reduction Check opening status of indoor PMV Check indoor outdoor communication line for wiring error Check for faulty operation of check valve in discharge pipe convergent section Check gas balancing SV4 valve circuit Check SV5 valve circuit Check for refrigerant overcharging 80 FILE NO SVM 13011 Check code Location Outdoor 7 segment display of Description System status Error detection Check items locations remote condition s controller Cheek Sub code detection VF Open phase detected All stop Phase sequence Check the phase sequence of
31. Detachment 1 Carry out work of item 1 of 40 2 Remove the relay connector of PMV motor 3 Peel the butyl rubber adhered to the main unit of the pulse motor valve PMV until PMV can be seen and then loosen the nuts fixing PMV motor with double spanner to remove PMV motor PMV body PMV motor 2 Attachment 1 Mount PMV motor and relay connector as before NOTE Control the tightening torque for the PMV body and PMV motor to 7 84 0 98Nm 208 FILE NO SVM 13011 Part name Procedure Remarks Heat 1 Detachment exchanger 1 Recover the refrigerant gas 2 Carry out work of item 1 of 60 3 Remove refrigerant pipe at indoor unit side 4 Remove the fixing screws and then remove the piping cover 04 x10 pcs 5 Remove the drain hose from the drain pump and remove the fixing screws to remove the drain pump stand O4 x8 3 pcs 6 While pushing the heat exchanger remove the fixing band fixing screws and the heat exchanger 04 x8 3 pcs Attachment 1 Mount the heat exchanger with the fixing Fixing screws band and the fixing screws 04 x8 3 pcs i 24 x10 2 Fix the parts as before in order of drain pump stand piping cover 3 Connect the refrigerant pipe as before and then apply vacuuming 4 Following to work of item 2 of 49 attach the parts as before Fixing screws 1 x10 Fixing
32. I F A3 IPDU or 05 A3 IPDU1 Fan IPDU Fan IPDU error Check for external noise 06 A3 IPDU2 Fan IPDU error 07 All IPDU error or Communication error between IPDU and I F circuit board or Outdoor I F circuit board error A3 IPDU Fan 1 2 3 1 E31 0110 02 0 03 0 0 04 05 0 06 jojo 07 0 0 0 08 090 0 0 oC 000 ojo OE Symbol signifies site of IPDU error Indoor Indoor TCJ Stop of Sensor resistance is infinity Check connection of TCJ unit sensor error corresponding or zero open short circuit sensor connector and wiring F01 _ unit Check resistance characteristics of TCJ sensor Check for defect in indoor P C board Indoor Indoor TC2 Stop of Sensor resistance is infinity Check connection of TC2 unit sensor error corresponding or zero open short circuit sensor connector and wiring F02 unit Check resistance B m characteristics of TC2 sensor Check for defect in indoor P C board Indoor Indoor TC1 Stop of Sensor resistance is infinity Check connection of TC1 unit sensor error corresponding or zero open short circuit sensor connector and wiring F03 unit Check resistance characteristics of TC1 sensor Check for defect in indoor P C board VF TD1 sensor All stop Sensor resistance is infinity Check connection of TD1 error or zero open short circuit sensor connector Check resistance Eo characteristics of
33. IFCB 4E2 Wiring and setup Use the exclusive connector for connection with the indoor control P C board n a group control the system can operate when connecting with any indoor unit Control P C board in the group However when taking out the operation error signal from the other unit it is necessary to take out from each unit individually 1 Control items 1 Start Stop input signal Operation start stop in unit 2 Operation signal Output during normal operation 3 Error signal Output during alarm Serial communication error or indoor outdoor protective device operation 2 Wiring diagram using remote control interface TCB IFCB 4E2 Input IFCB 4E2 No voltage ON OFF serial signal Output No voltage contact for operation error display Contact capacity Below Max AC240V 0 5A Indoor control P C board Remote location ON OFF control box TCB IFCB 4E2 ON OFF serial signal input COM Operation signal output Error signal output Power supply 220 240 50Hz 43 5 6 FILE NO SVM 13011 Ventilating fan control from remote controller Function The start stop operation can be operated from the wired remote controller when air to air heat exchanger or ventilating fan is installed in the system The fan can be operated even if the indoor unit is not operating Use a fan which can receive the no voltage A contact as an outside input signal n a group control the units are collect
34. Magnet contactor FILE NO SVM 13011 Check code Main remote controller Outdoor 7 segment display Check code Sub code Location of detection Description System status Error detection condition s Check items locations H07 H07 VF Low oil level protection All stop Operating compressor detects continuous state of low oil level for about 2 hours lt All outdoor units in corresponding line to be checked Check balance pipe service valve to confirm full opening Check connection and installation of TK1 TK2 TK4 and TK5 sensors Check resistance characteristics of TK1 TK2 TK4 and TK5 sensors Check for gas or oil leak in same line Check for refrigerant entrapment inside compressor casing Check SV3A SV3B SV3C SV3D SV3E and SV3F valves for defect Check oil return circuit of oil separator for clogging Check oil equalizing circuit for clogging H08 01 TK1 sensor error 02 TK2 sensor error 03 sensor error 04 TK4 sensor error 05 TK5 sensor error H08 VF Error in temperature sensor for oil level detection All stop Sensor resistance is infinity or zero open short circuit Check connection of TK1 sensor connector Check resistance characteristics of TK1 sensor Check for defect in outdoor P C board I F All stop Sensor resistance is infinity or zero open short cir
35. Pw 3 1 1 1 1 250 ae O 3 3 1 3 262 asT7818 nues 31 1 269 usse 3 3 1 3 1 265 _ p assy NSE 3 1 3 1 3 5 5 5 5 k k wo 5 J 113 FILE NO SVM 13011 Electric parts AP ________ mee parno 0094HP TR 0124 0154HP TR 0184HP TR 0244HP TR rr ooo 0 0274HP TR 0304HP TR 0364 0484HP TR 0564HP TR 4o 409 5577 SeRVICE SENSOR 404 405 SERV TERMINAL 2P 20A 406 asrevaes ewPca 114 FILE NO SVM 13011 RBC U31PG W WS E RBC U31PGS W WS E 312 308 309 304 306 307 323 324 310 311 Location Model Name RBC U31 Parts No Descript No em pues U31PG W E U31PG WS E _U31PGS W E U31PGS WS E 43409207 Grille Air Inlet 434
36. Use wiring that meets the specifications in the Installation Manual and the stipulations in the local regulations and laws Use of wiring which does not meet the specifications may give rise to electric shocks electrical leakage smoking and or a fire Only a qualified installer 1 or qualified service person 1 is allowed to undertake work at heights using a stand of 50 cm or more or to remove the intake grille of the indoor unit to undertake work When working at heights use a ladder which complies with the ISO 14122 standard and follow the procedure in the ladder s instructions Also wear a helmet for use in industry as protective gear to undertake the work Before working at heights put a sign in place so that no one will approach the work location before proceeding with the work Parts and other objects may fall from above possibly injuring a person below While carrying out the work wear a helmet for protection from falling objects When executing address setting test run or troubleshooting through the checking window on the electric parts box put on insulated gloves to provide protection from electric shock Otherwise you may receive an electric shock Do not touch the aluminum fin of the outdoor unit You may injure yourself if you do so If the fin must be touched for some reason first put on protective gloves and safety work clothing and then proceed Do not climb onto or place objects on top of the out
37. are completed Relocation Only a qualified installer 1 or qualified service person 1 is allowed to relocate the air conditioner It is dangerous for the air conditioner to be relocated by an unqualified individual since a fire electric shocks injury water leakage noise and or vibration may result When carrying out the pump down work shut down the compressor before disconnecting the refrigerant pipe Disconnecting the refrigerant pipe with the service valve left open and the compressor still operating will cause air etc to be sucked in raising the pressure inside the refrigeration cycle to an abnormally high level and possibly resulting in reputing injury etc 1 Refer to the Definition of Qualified Installer or Qualified Service Person 105 Manufacturer Authorized Representative TCF holder Declaration of Conformity TOSHIBA CARRIER THAILAND CO LTD 144 9 Moo 5 Bangkadi Industrial Park Tivanon Road Amphur Muang Pathumthani 12000 Thailand Nick Ball Toshiba EMEA Engineering Director Toshiba Carrier UK Ltd Porsham Close Belliver Industrial Estate PLYMOUTH Devon PL6 7DB United Kingdom Hereby declares that the machinery described below Generic Denomination Model type Commercial name Air Conditioner Indoor unit 4 way Cassette Type MMU APOO94HP E TR MMU AP0124HP E TR MMU APO0154HP E TR MMU AP0184HP E TR MMU AP0244HP E TR MMU AP0274HP E M
38. board and remote inter unit tie cable communication unit controller is disrupted Check for broken wire or error connector bad contact detected at Check indoor power remora defect in ind eck for defect in indoor E01 controller P C board Check remote controller address settings when two remote controllers are in use Check remote controller P C board Remote Remote Stop of Signal cannot be transmitted Check internal controller controller corresponding from remote controller to transmission circuit of E02 transmission unit indoor unit remote controller error Replace remote controller as necessary Indoor Indoor remote Stop of There is no communication Check remote controller unit controller corresponding from remote controller and network adaptor E03 communication unit including wireless or wiring error network adaptor detected at indoor end Indoor Indoor outdoor Stop of Indoor unit is not receiving Check order in which unit communication corresponding signal from outdoor unit power was turned on for circuit error unit indoor and outdoor units detected at bic indoor address E04 gt indoor end Check indoor outdoor tie cable Check outdoor termination resistance setting SW30 Bit 2 No of indoor VF Dropping out of All stop Indoor unit initially Check power supply to units from indoor unit communicating normally fails indoor unit which signal is to return
39. button Super Modular Multi series models acd us on the remote controller No function is displayed FILE NO SVM 13011 6 CONFIGURATION OF CONTROL CIRCUIT 6 1 Indoor Unit 6 1 1 Indoor Controoler Block Diagram 1 Connection of wired remote controller Wired Simple header remote controller Up to 2 units Schedule timer Indoor unit 1 Header Network adaptor Option Indoor control P C board interface MCC 1570 P C board MCC 1401 Remote controller communication circuit 1 1 model connection Remote controller communication circuit Power circuit Transformer Switch setup Outside output Start Alarm Ready Thermostat ON COOL HEAT FAN Louver motor Drain pump Power Power uu m Outdoor Outdoor unit unit Indoor Fan motor AC synchronous Sn fan motor signal input circuit g Power circuit L N U1 02 Indoor Outdoor communication Max 8 units are connectable 1 uil lue 1 However in a case that the 1 1 model connection interface is installed when 2 remote controllers are connected maximum 7 units are connectable 2 The 1 1 model connection interface 3 The schedule timer cannot be connected to the simple wired remote controller Power supply 10220 240 50Hz 10220 60Hz is installed to only one unit E Outdoor unit
40. climb onto the fan guard Doing so may result in injury FILE SVM 13011 PRECAUTIONS FOR SAFETY The manufacturer shall not assume any liability for the damage caused by not observing the description of this manual DANGER Turn off braeaker Before carrying out the installation maintenance repair or removal work be sure to set the circuit breaker for both the indoor and outdoor units to the OFF position Otherwise electric shocks may result Before opening the electrical box cover of the indoor unit or service panel of the outdoor unit set the circuit breaker to the OFF position Failure to set the circuit breaker to the OFF position may result in electric shocks through contact with the interior parts Only a qualified installer 1 or qualified service person 1 is allowed to remove the intake grille of the indoor unit or service panel of the outdoor unit and do the work required Before starting to repair the outdoor unit fan or fan guard be absolutely sure to set the circuit breaker to the OFF position and place a Work in progress sign on the circuit breaker When cleaning the filter or other parts of the indoor unit set the circuit breaker to OFF without fail and place a Work in progress sign near the circuit breaker before proceeding with the work When you have noticed that some kind of trouble such as when an error display has appeared there is a smell of burning abnormal sounds are
41. for R22 are necessary as the general tools 1 Vacuum pump Use vacuum pump by attaching vacuum pump adapter 5 6 7 Torque wrench Pipe cutter Reamer Pipe bender Level vial Screwdriver 8 9 10 11 12 Spanner or Monkey wrench Hole core drill Hexagon wrench Opposite side 4mm Tape measure Metal saw Also prepare the following equipments for other installation method and run check 1 2 Clamp meter Thermometer 3 4 uus Insulation resistance tester Electroscope MMU APO0094HP 124 860 to 910 Ceiling open dimension 2 Take in port of wiring N 172 Refrigerant pipe connecting port 06 4 Liquid side Refrigerant pipe connecting port 09 5 Gas side Bottom face of cei ing 129 Electric parts box 950 Panel external dimension 30 397 5 337 5 157 263 106 5 72 241 5 408 780 Hanging bolt pitch 323 129 1000 or more 15 or more FILE NO SVM 13011 1 CONSTRUCTION VIEWS EXTERNAL VIEWS 1000 or more ZZ obstacle 1000 or more 15 or more The space that is necessary for equipping and service 860 to 910 Ceiling open dimension Bottom face of ceiling 300 or less o Indoor unit 6
42. heard the air conditioner fails to cool or heat or water is leaking has occurred in the air conditioner do not touch the air conditioner yourself but set the circuit breaker to the OFF position and contact a qualified service person Take steps to ensure that the power will not be turned on by marking out of service near the circuit breaker for instance until qualified service person arrives Continuing to use the air conditioner in the trouble status may cause mechanical problems to escalate or result in electric shocks or other failure Electric shock hazard When you access inside of the service panel to repair electric parts wait for about five minutes after turning off the breaker Do not start repairing immediately Otherwise you may get electric shock by touching terminals of high voltage capacitors Natural discharge of the capacitor takes about five minutes When checking the electric parts removing the cover of the electric parts box of Indoor Unit and or service panel of Outdoor Unit inevitably to determine the failure use gloves to provide protection for electricians insulating shoes clothing to provide protection from electric shock and insulating tools Be careful not to touch the live part Electric shock may result Only Qualified service person is allowed to do this work 9 Prohibition Place a Work in progress sign near the circuit breaker while the installation maintenance repair or removal work
43. is being carried out There is a danger of electric shocks if the circuit breaker is set to ON by mistake When checking the electric parts removing the cover of the electric parts box of Indoor Unit and or front panel of Outdoor Unit inevitably to determine the failure put a sign Do not enter around the site before the work Failure to do this may result in third person getting electric shock Before operating the air conditioner after having completed the work check that the electrical parts box cover of the indoor unit and service panel of the outdoor unit are closed and set the circuit breaker to the ON position You may receive an electric shock if the power is turned on without first conducting these checks Stay on protection If in the course of carrying out repairs it becomes absolutely necessary to check out the electrical parts with the electrical parts box cover of one or more of the indoor units and the service panel of the outdoor unit removed in order to find out exactly where the trouble lies wear insulated heat resistant gloves insulated boots and insulated work overalls and take care to avoid touching any live parts You may receive an electric shock if you fail to heed this warning Only qualified service person 1 is allowed to do this kind of work FILE NO SVM 13011 WARNING General Before starting to repair the air conditioner read carefully through the Service Manual and repair
44. kg m countermeasures needed 10 20 30 gt Total amount of refrigerant kg 116 TOSHIBA CARRIER THAILAND CO LTD 144 9 MOO 5 BANGKADI INDUSTRIAL PARK TIVANON ROAD TAMBOL BANGKADI AMPHUR MUANG PATHUMTHANI 12000 THAILAND
45. more 1000 or more 15 or more wii obstacle 1000 or more The space that is necessary for equipping and service 300 or less 661 or less Standing Standing 850 or less Bottom face of ceiling Drain upstanding size For branch duct knockout square hole 2150 950 Panel external dimension 780 Hanging bolt pitch 323 Hanging bolt M10 or 23 8 procured by locally 840 Unit external dimension For branch duct knockout square hole 8150 2 positions For branch duct knockout square hole 8150 NI gt 690 x 20 Hanging bolt pitch 840 Unit exte 269 rnal dimension Bottom face of ceiling 362 5 105 372 5 ENS 0 H I I 1 950 Panel external dimension Bottom face of ceiling 129 77 For branch duct knockout square 2150 Ceiling panel sold separately Bottom face of ceiling Bottom face of ceiling Indoor unit d Z view Unit mm MMU APO0244HP 274 APO304HP Take in port of wiring 860 to 910 Ceiling open dimension 172 Refrigerant pipe connecting port 09 5 Liquid side Refrigerant pipe connecting port
46. of outdoor units after backup setting for Check No of indoor units outdoor unit failure is connected performed perform No Check for defect in outdoor E16 E16 overloading detected P C board setting No overloading detected setting method Turn on SWO9 Bit 2 on P C board of outdoor header unit More than 48 indoor units are connected e FILE NO SVM 13011 Check code Main remote controller Outdoor 7 segment display Check code Sub code Location of detection Description System status Error detection condition s Check items locations E18 Indoor unit Error in communication between indoor header and follower units Stop of corresponding unit Periodic communication between indoor header and follower units cannot be maintained Check remote controller wiring Check indoor power supply wiring Check P C boards of indoor units E19 00 No header unit 02 Two or more E19 header units VF Error in number of outdoor header units All stop There is more than one outdoor header unit in one line There is no outdoor header unit in one line Outdoor header unit is outdoor unit to which indoor outdoortie cable U1 U2 is connected Check connection of indoor outdoor communication line Check for defect in outdoor P C board I F E20 01 Connection of outdoor unit from other l
47. over APOS6 The swinging louver moves usually up to the ceiling side from the louver position of the set time Setup from the remote controller without zs button is unavailable For the setup operation refer to How to set up louver individually of Item Setup at local site Others Louver control Continued Outline of specifications Selection of Swing mode gt gt For the Swing mode the following three types of modes are selectable and settable by keeping Swing Direction C gt button pushed for 4 seconds or more the remote controller 1 Standard 4 pieces same phase swing Data 0001 At shipment When Swing operation is selected four louvers align at the horizontal discharge position and then start the Swing operation at the same time Dual swing Data 0002 When operation is selected the louvers of louver No 01 and 03 move to the horizontal discharge position the louvers of louver No 02 and 04 move to the downward discharge position and then start the Swing operation at the same time Cycle swing Data 0003 When operation is selected the louver No 01 moves to the horizontal discharge position 03 to the downward discharge position 02 and 04 to the middle position and then start the Swing operation at the same time Three types of the swing modes can be also selected and set by the setup data of Item code DN FO n case of sel
48. refrigerant gas itself is innocuous Compulsion When the refrigerant gas leaks find up the leaked position and repair it surely If the leaked position cannot be found up and the repair work is interrupted pump down and tighten the service valve otherwise the refrigerant gas may leak into the room The poisonous gas generates when gas touches to fire such as fan heater stove or cocking stove though the refrigerant gas itself is innocuous When installing equipment which includes a large amount of charged refrigerant such as a multi air conditioner in a sub room it is necessary that the density does not the limit even if the refrigerant leaks If the refrigerant leaks and exceeds the limit density an accident of shortage of oxygen is caused Tighten the flare nut with a torque wrench in the specified manner Excessive tighten of the flare nut may cause a crack in the flare nut after a long period which may result in refrigerant leakage Nitrogen gas must be used for the airtight test The charge hose must be connected in such a way that it is not slack For the installation moving reinstallation work follow to the Installation Manual If an incorrect installation is done a trouble of the refrigerating cycle water leak electric shock or fire is caused Check after repair Once the repair work has been completed check for refrigerant leaks and check the insulation resistance and water drainage Then perfo
49. screw Fixing XN SEC FILE NO SVM 13011 10 P C BOARD EXCHANGE PROCEDURES 10 1 Exchange of P C Board for Indoor Service 431 6V 379 MMU AP 4HP series MCC 1570 N CAUTION Model Name MMU AP gt For the above models set the CODE No to and the setting data 0000 initial to 0001 Note when replacing the P C board for indoor unit servicing The nonvolatile memory hereafter called EEPROM IC503 on the indoor unit P C board before replacement includes the model specific type information and capacity codes as the factory set value and the important setting data which have been automatically or manually set when the indoor unit is installed such as system indoor group addresses high ceiling select setting etc When replacing the P C board for indoor unit servicing follow the procedures below After replacement completes confirm whether the settings are correct by checking the indoor unit No Group header unit follower unit settings and perform the cooling cycle confirmation through the trial operation Replacement procedures Case 1 Before replacement the indoor unit can be turned on and the setting data can be read out by wired remote controller operation EEPROM data read out 1 Refer to page 101 2 Replacement of board for indoor unit servicing and power 2 Refer to page 101 Writing
50. sensor Pd error Output voltage of high pressure sensor Pd is zero or provides abnormal readings when compressors have been turned off Outdoor EEPROM error Outdoor EEPROM is faulty alarm and shutdown for header unit and continued operation for follower unit Compressor 1 Compressor 2 Compressor 3 Compressor breakdown Overcurrent of the inverter current Idc detection circuit was detected Compressor 1 Compressor 2 Compressor 3 Compressor error Lock Compressor lock was detected Compressor 1 Compressor 2 Compressor 3 Current detection circuit error Current error was detected while the compressor was stopped Compressor 1 case thermo activation Compressor 1 case thermo was activated for protection Outdoor discharge temperature sensor TD1 wiring error Wiring installation error or detachment of outdoor discharge temperature sensor TD1 has been detected Activation of low pressure protection Low pressure Ps sensor detects abnormally low operating pressure Activation of low pressure protection Temperature sensor for oil level detection TK1 5 detects abnormally low oil level TK1 sensor error TK2 sensor error TK3 sensor error TK4 sensor error TK5 sensor error Error in temperature sensor for oil level detection TK1 5 Temperature sensor for oil level detection TK1 5 has been open short circuited Com
51. the relay up Compact 4 way Cassette type to one that the rated current 4 way Cassette type of the operation coil is approx 7bmA 1 way Cassette type 2 series Concealed Duct Standard type CN32 Outside control Slim Duct type FAN DRIVE input of fan Ceiling type 2P WHI To terminal High Wall type Corresponds up to a relay in which rated current of the operation coil is approx 75 Indoor control P C board Other type models Note Determine the cable length between the Correspond up to a relay in which rated current of the indoor control P C board and the relay within 2m operation coil is approx 16mA Does not correspond to a terminal block type relay on the market 44 OQ RG NH FILE NO SVM 13011 Leaving ON prevention control Function This function controls the indoor units individually It is connected with cable to the control P C board of the indoor unit In a group control it is connected with cable to the indoor unit Control P C board and the CODE No 2E is set to the connected indoor unit It is used when the start operation from outside if unnecessary but the stop operation is necessary Using a card switch box card lock etc the forgotten OFF of the indoor unit can be protected When inserting a card start stop operation from the remote controller is allowed When taking out a card the system stops if the indoor unit is operating and start stop operation from the
52. works of item 1 of 2 and item 1 of 3 2 Remove the flap connector CN510 White 20P connected to the control P C board and then remove the lead wire from the clamp NOTE Unlock the lock of the housing part and then remove the connector 3 Loosen the panel fixing 4 screws 4 Slide the panel fixing brackets 4 positions outward 5 Push the tentative bracket outward and then remove the ceiling panel 2 Attachment 1 Insert the tentative brackets 2 positions of the ceiling panel into square holes of the indoor unit and then hook the panel tentatively NOTE The ceiling panel has the directional properties against the indoor unit Direct the louver motor wire to the electric parts box side of the indoor unit 2 Pass the head of the panel fixing screw through hole of the panel fixing bracket and then slide the panel fixing bracket inward 3 Tighten in the panel fixing screw to fix the ceiling panel 4 Following to work of item 2 of 3 attach the adjust corner cap as before 5 Connect the louver connector CN510 White 20P as before and then fix the lead wire with clamp 6 Following to work of item 2 of 2 mount the electric parts box cover and the suction grille as before aj FILE NO SVM 13011 Remarks Louver motor wiring Tentative bracket Ceiling panel Square hole of indoor unit Push in case ma of removing Tentative bracket Square hole
53. 1 condition All stop Protective shutdown due to sustained suction temperature at or above judgment criterion for at least 10 minutes is repeated four times or more TS error judgment criterion In cooling operation 60 C In heating operation 40 C Check for insufficiency in refrigerant quantity Check outdoor service valves gas side liquid side to confirm full opening Check PMVs PMV1 2 for clogging Check resistance characteristics of TS1 sensor Check for defect in 4 way valve Check SV4 circuit for leakage 02 TD condition VF Gas leak detection TD condition All stop Protective shutdown due to sustained discharge temperature TD1 TD2 or TD3 at or above 108 C for at least 10 minutes is repeated four times or more Check for insufficiency in refrigerant quantity Check PMVs PMV 1 2 for clogging Check resistance characteristics of TD1 TD2 and TD3 sensors Check indoor filter for clogging Check piping for clogging Check SV4 circuit for leakage or coil installation error Pi P17 VF Discharge temperature TD2 error All stop Discharge temperature TD2 exceeds 115 C Check outdoor service valves gas side liquid side to confirm full opening Check outdoor PMVs PMV1 2 4 for clogging Check resistance characteristics of TD2 sensor Check for defect in 4 way valve Check SV4 circuit for leakage Check SV4 circuit for wiring or
54. 290 Nur FLARE vw L3 1L 2s _ 232 7259 _ RUBBER 3 3 3 9 23e _ Ecmew rxeawt 4 4 240 ase MOTOR FAN wr 31 3 1 3 24 covRasv 42 sess oeNu 3 3 L3 244 245 SWITCH assy FLOAT 1 31 31 1 1 246 1 assy curse 3 3 1 3 247 71 0 assy ornan 2 ums 249 aeo Nu 250 HOLDER SENSOR 5 uas poweraem 3 3 252 power en L 3 1 259 254 255 sem 7256 19 HOLDER senson 2 2 o le Toe 257 sexos 1 1 1 255 usen wer Pw O 2 0 ae O 3 3 1 3 252 isses nuss o 31 1 259 5mam 3 3 1 3 1 2e amer 5 5 5 eye Co A
55. 295 Pare wno 296 43797315 SCREW FIXPANEL 4 4 4 4 4 257 5924 RUBBER 3 258 usw Wan lu 259 MOTOR FAN cF 2801501 240 moron SWF 230602R 24 55 Jooo 42 anr 1 3 244 _ Pume assy 245 SWITCH assy FLOAT 1 31 31 1 3 246 f 3 3 1 3 247 71 0 assy ornan 2 wase e 2 260 5 _ poweraem 259 powersem 3 3 L3 1 25 NUT FLARE aem n 256 _ 43T19393 HOLDER SENSOR 2 2 2 2 2 257 paw Host St 1 Pt 1 7258 sheer Pw 3 1 1 1 1 250 ae O 3 3 1 3 262 asT7818 nues 31 1 269 usse 3 3 1 3 1 255 _ p assy NSE 3 1 3 1 3 5 5 5 5 k k wo
56. 61 or less Standing Standing 850 or less Bottom face of ceiling Drain pipe Drain upstanding size connecting port Meterial PP For branch duct knockout square hole 2150 Hanging bolt M10 or 3 8 procured by locally 416 5 For branch duct knockout square hole 8150 2 positions 840 Unit external dimension 5 690 x 20 Hanging bolt pitch 950 Panel external dimension For branch duct knockout square hole 0150 269 840 Unit external dimension 362 5 105 372 5 Bottom face of ceiling m 129 For branch duct 7 knockout square hole 0150 Ceiling panel sold separately Bottom face of ceiling Knockout for simple OA for 2100 Bottom face of ceiling Z view Unit mm MMU AP00154HP 184 Take in port of wiring 860 to 910 Ceiling open dimension C TER 172 Refrigerant pipe connecting port 06 4 Liquid side Refrigerant pipe connecting port 012 7 Gas side Bottom face of ceiling 1 860 to 910 Ceiling open dimension Drain pipe connecting port Meterial PP Indoor unit FILE NO SVM 13011 1000 or more 15 or
57. 80017 Air Filter ABS PPNET 4302D003 Motor Louver MP24Z3N 43407145 Outlet Air Form PS F 43407146 Outlet Air Form PS F 43409212 Louver ABS 43409216 Louver ABS 43401037 Cover Panel Ass y 43401041 Cover Panel Ass y 43401043 Cover Panel Ass y 43401047 Cover Panel Ass y 43407148 Plate Fix Panel 43407149 Plate Fix Panel 43407150 Hook ABS 43407154 Cap AXIS POM 43403010 Cover Ass y Motor 43403011 Cover Ass y 43403012 Cover Ass y 43407155 Fix Motor ABS 43407156 Fix Motor ABS 43460125 Lead Motor 43400077 Panel Front PS W 43109423 Louver ABS 43109424 Louver ABS I la 115 FILE NO SVM 13011 WARNINGS ON REFRIGERANT LEAKAGE Check of Concentration Limit The room in which the air conditioner is to be installed requires a design that in the event of refrigerant gas leaking out its concentration will not exceed a set limit The refrigerant 410 which is used in the air conditioner is safe without the toxicity or combustibility of ammonia and is not restricted by laws to be imposed which protect the ozone layer However since it contains more than air it poses the risk of suffocation if its concentration should rise
58. 99 Not determined Indoor unit address 0099 Not determined Group address 0099 Not determined Louver type wind direction adjustment Depending on Type Temperature range of cooling heating automatic SW control point 0003 3 deg Ts 1 5 Power failure automatic recovery 0000 None Option Abnormal input CN70 SW 0002 Humidifier Ventilation fan standalone 0000 Not available Sensor SW Selection of static pressure 0000 Body sensor High ceiling SW 0000 Standard Timer setting wired remote controller 0000 Available Swing mode 0001 Standard Louver fixing position Flap No 1 0000 Not fixed Louver fixing position Flap No 2 0000 Not fixed Louver fixing position Flap No 3 0000 Not fixed Louver fixing position Flap No 4 Type CODE No 10 1 way Cassette Model abb name 0000 Not fixed Indoor unit capacity CODE No 11 Invalid 4 way Cassette 2 way Cassette 1 way Cassette Compact type Concealed Duct Standard Slim Duct MMD AP3 3c SPH Concealed Duct High Static Pressure Ceiling High Wall Floor Standing C
59. AP0484HP 564 860 to 910 Ceiling open dimension 860 to 910 Ceiling open dimension Bottom face of ceiling FILE N 15 or more 1000 or more 15 or more O SVM 13011 1000 or more CM obstacle 1000 or more The space that is necessary for equipping and service 300 or less Refrigerant pipe connecting port 9 5 Liquid side Refrigerant pipe connecting port 15 9 Gas side Bottom face of ceiling 129 0162 Drain pipe connecting port Meterial PP Indoor unit 661 or less Standing Standing 850 or less Bottom face of ceiling Drain upstanding size For branch duct knockout square hole 2150 950 Panel external dimension Hanging bolt M10 or 3 8 procured by locally 780 Hanging bolt pitch 408 840 Unit external dimension 240 207 5 105 135 105 287 5 For branch duct knockout square hole 2150 2 positions For branch duct knockout square hole 2150 690 20 Hanging bolt pitch 950 Panel external dimension 269 840 Unit external dimension 372 5 Bottom face of ceiling 351 105 384
60. ATION CYclEASSY 2 0 REFRIGERATION Cycleassy Jo 211 2 5 vave 1 3 2 6 _ VALVE PMV 2 0 astrosts 222 23119 levaron 3 31 L3 229 srewor awoHos foo oo 1 224 o 3 3 2 3 225 31 1 226 _ 4 4 227 issu UT FLARE gam 3 228 229 290 Nur ume vw it 1 2s 232 259 254 RUBBER 3 3 3 3 236 _ Fx pane 4 4 240 ase 31 3 1 3 241 covRasv 42 sess oeNu 3 3 L3 244 245 SWITCH assy FLOAT 1 31 31 1 1 246 1 assy curse 3 3 1 3 247 71 0 assy ornan 2 ums 249 aeo Nu 250 HOLDER SENSOR 5 uas poweraem 3 3 252 powe
61. C board I F Indoor Outdoor unit Onlythetarget An error was found Check the model name of the outdoor unit model unit stopped on the outdoor unit unit Lo2 Lo2 mismatch model Check the miswiring of the error communication line between indoor and outdoor Indoor Duplicated Stop of There is more than Check indoor addresses unit indoor header corresponding one header unit in Check for any change made to remote 103 unit unit group controller connection group individual since indoor address setting VF Duplicated All stop There is duplication Check line addresses outdoor line in line address address setting for outdoor Lo4 L04 units belonging to different refrigerant piping systems VF Duplicated All stop More than one Check display on priority indoor unit priority indoor indoor unit has been unit as set up as priority 105 7 E displayed on indoor unit priority indoor unit No of priority VF Duplicated All stop More than one Check displays on priority indoor unit indoor units priority indoor indoor unit have and outdoor unit unit as been set up as displayed on priority indoor unit 106 106 indoor unit other than priority indoor unit Connection of Stop of There is at least one Check indoor addresses unit group control corresponding stand alone indoor 107 cable to stand unit unit to which group alone indoor control cable is unit connected Indoor Indoor group Stop of Address settin
62. FILE NO SVM 13011 6 2 Indoor P C board MCC 1570 ASOG EZNO AcLOG 705 0 lt 02 0 ley AZLOQ peu MS 18014 AGO 8 00LNO Josues LOL ASOG peu ZOLNO Josues FOL 0130 Josues WL ASOG LOLNO Josues ZOL LOSMS MS 199Jes ulla AZOA ZENO ueJj peu JosseooJdoJoruJ Jo qa1 Ajddns AZLOG 09NO yndjno uee15 371 Jej ojjuoo AZLOG uee15 08NO yndul 40448 eU49 X3 ASOG LZNO HO ZZNO 4981G LENO dsid 54 10 enig ANd mollaa 041009 AZLOG OLSNO GIUM ue peu cova 49 OJ1UOO 9jOUJ9J JO JOANO7 Aiddns LINO OLL VH 16 5 Jo uoneoiunuJuloo peJeus OVNO enig 0 2 0220 Z9NO jddns 60ENO Kjddns jeuondo 35 FILE NO SVM 13011 6 3 F
63. K4 and TK5 sensors circuit error Check for faulty operation in SV3E or SV3F valve 03 oil T m circuit error Check for clogging in oil equalizing 04 TK4 oil circuit capillary and faulty operation in Rd check valve Check for refrigerant entrapment inside circuit error compressor No temperature change is detected by TK2 despite compressor 2 having been started Check for disconnection of TK2 sensor Check resistance characteristics of TK2 sensor Check for connection error involving TK1 TK2 TK3 TK4 and TK5 sensors Check for faulty operation in SV3E or SV3F valve Check for clogging in oil equalizing circuit capillary and faulty operation in check valve Check for refrigerant entrapment inside compressor No temperature change is detected by TK3 despite compressor 3 having been started Check for disconnection of TK3 sensor Check resistance characteristics of sensor Check for connection error involving TK1 TK2 TK3 TK4 and TK5 sensors Check for faulty operation in SV3E or SV3F valve Check for clogging in oil equalizing circuit capillary and faulty operation in check valve Check for refrigerant entrapment inside compressor 77 FILE NO SVM 13011 Check code Location Outdoor 7 segment display of Description System status E ror detection Check items locations re
64. MU APOS304HP E TR MMU APO364HP E TR MMU AP0484HP E TR MMU APO564HP E TR Super Modular Multi System Air Conditioner Super Heat Recovery Multi System Air Conditioner FILE NO SVM 13011 MiNi Super Modular Multi System Air Conditioner MiNi SMMS series Complies with the provisions of the Machinery Directive Directive 2006 42 EC and the regulations transposing into national law Complies with the provisions of the following harmonized standard NOTE EN 378 2 2008 A2 2012 This declaration becomes invalid if technical or operational modifications are introduced without the manufacturer s consent Mes FILE NO SVM 13011 Specifications Sound power level dBA Weight kg Cooling Heating Main unit Ceiling panel MMU APOO94HP E TR MMU AP0124HP E TR MMU AP0154HP E TR MMU AP0184HP E TR MMU AP0244HP E TR MMU AP0274HP E TR MMU APO304HP E TR MMU APO0364HP E TR MMU AP0484HP E TR MMU APO0564HP E TR x Under 70 dBA Model 2325 FILE NO SVM 13011 New Refrigerant R410A This air conditioner adopts a new type refrigerant R410A which does not deplete the ozone layer 1 Safety Caution Concerned to New Refrigerant The pressure of R410A is high 1 6 times of that of the former refrigerant R22 Accompanied with change of refrigerant the refrigerating oil has been also ch
65. P C board replaced to lt Fig 2 RBC AMS41E gt the P C board for indoor unit servicing Step 3 Select the CODE No DN can be selected by pushing the button for the temperature setting e Set the indoor unit type and capacity The factory set values shall be written to the EEPROM by changing the type and capacity 1 Set the CODE No DN without change 3 2 Select the type by pushing buttons for the timer soe 4 setting 4 For example 4 way Cassette Type in set to zl 0001 Refer to CODE No 10 on page 122 OO ME TEST SET CL SWING FIX UNIT LOUVER 3 Push button The operation completes if the setting data is displayed 4 Change the CODE No DN to by pushin 2 CAD buttons for the temperature setting 3 5 Select the capacity by pushing buttons for the timer setting 4 For example 027 Type is set to 0012 Refer to CODE No 11 on page 104 6 Push e button The setting completes if the setting data are displayed 5 Setting 4 way Cassette indoor unit model only 7 Using the set temperature buttons set to the CODE No DN 8 Using the timer time buttons set the dat 0001 9 Push button The setting completes if the setting data are displayed N CAUTION Be sure to set the jumper wire si
66. TD1 sensor Check for defect in outdoor P C board I F VF TD2 sensor All stop Sensor resistance is infinity Check connection of TD2 error or zero open short circuit sensor connector Check resistance 508 d characteristics of TD2 sensor Check for defect in outdoor P C board I F TE1 sensor error VF TE1 TE2 All stop Sensor resistance is infinity Check connection of TE1 TE2 02 sensor error or zero open short circuit sensor connectors TE2 sensor error Check resistance F06 F06 characteristics of TE1 TE2 sensors Check for defect in outdoor P C board I F 72 FILE NO SVM 13011 Check code Location i Main Outdoors segment display of Description System status Frror detection Check items locations remote Check condition s controller anche Sub code detection VF TL sensor All stop Sensor resistance is infinity Check connection of TL sensor error orzero open short connector circuit Check resistance id id characteristics of TL sensor Check for defect in outdoor P C board I F VF TO sensor All stop Sensorresistance is infinity Check connection of TO error or zero open short sensor connector circuit Check resistance Fog characteristics of TO sensor Check for defect in outdoor P C board I F Indoor Indoor TA Stop of Sensor resistance is infinity Check connection of TA unit sensor error corresponding orzer
67. abinet Floor Standing Concealed Floor Standing Below 6HP Compact 4 way Cassette 007 type 009 type 012 type 015 type 018 type 024 type 027 type 030 type 036 type 048 type 056 type 072 type 096 type 1 The initial setup value of EEPROM installed on the service P C board x2 Model Name MMU AP 4HP gt For the above models set CODE No to and the setting data 0000 initial to 0001 104 FILE NO SVM 13011 11 EXPLODED VIEWS AND PARTS LIST 11 1 MMU APOO94HP E AP0124HP E 154 APO184HP E 244 MMU APO0094HP E APO124HP E 105 FILE NO SVM 13011 PAP 206 43772911 207 4372912 PANASSY DRAN oo 1 __ 209 43744497 REFRIGERATION CYclEASSY 1 1 2 0 REFRIGERATION Cycleassy J a 7 21 2 5 ew 2 6 _ VALVE PMV 2 0 222 2119 229 224 225 226 _ 4 227 J 3 1 3 228 229
68. ae tee E 019 09 gt 13 9 i GINO QANOS soe e s SENSUS S comen RE 7H09 022 Rede E ZHOS AO0PZ 0ZZ SUUS Aiddns Jomo yun Joopu e 22227 22 uM poc E t Aiddns 1707777 N02906 J9MOd L gun A0SZ 2222 0161 95 22 2 GAS 2s MUN 200 JOY B gn Sem oe LEL ONO ZOLENO ur quc Abe ho qe Sera d ee ute p Be AeA Sea ZO FEBE IT f PINE E Ee IHM IHM peog VENO YOSNO 1 28407 A pum pun 3 1 Part Rating Fan motor FILE NO SVM 13011 3 PARTS RATING MMU 009 012 015 018 027 SWF 230 60 2R AP024 AP030 Motor for horizontal grille MSBPC20F04 Pulse motor EFM MD12TF 1 Pulse motor valve EDM B25YGTF 3 EDM B40YGTF 2 TA
69. ailure to purge the air completely may cause the air conditioner to malfunction Do not charge refrigerant additionally If charging refrigerant additionally when refrigerant gas leaks the refrigerant composition in the refrigerating cycle changes resulted in change of air conditioner characteristics or refrigerant over the specified standard amount is charged and an abnormal high pressure is applied to the inside of the refrigerating cycle resulted in cause of breakage or injury Therefore if the refrigerant gas leaks recover the refrigerant in the air conditioner execute vacuuming and then newly recharge the specified amount of liquid refrigerant In this time never charge the refrigerant over the specified amount When recharging the refrigerant in the refrigerating cycle do not mix the refrigerant or air other than R410A into the specified refrigerant If air or others is mixed with the refrigerant abnormal high pressure generates in the refrigerating cycle resulted in cause of injury due to breakage After installation work check the refrigerant gas does not leak If the refrigerant gas leaks in the room poisonous gas generates when gas touches to fire such as fan heater stove or cocking stove though the refrigerant gas itself is innocuous Never recover the refrigerant into the outdoor unit When the equipment is moved or repaired be sure to recover the refrigerant with recovering device The refrigerant cannot be reco
70. al controller side mode 2 Setting contents n case of TCC LINK central control Operation from Operation on 2 On TCC LINK ON OFF Operation Timer Temp Air speed Air direction RBC AMT32E central control setting selection setting setting setting setting Individual Central 1 Central 2 RE Central 3 Central 4 Operation possible Operation impossible DB Louver control Outline of specifications 1 Louver position setup When the louver position is changed the position moves necessarily to downward discharge position once to return to the set position The louver position can be set up in the following operation range In cooling dry operation In heating fan operation n group twin triple operation the louver positions can be set up collectively or individually In case that HEAT refrigerant recovery control was per formed in STOP status the louver position becomes horizontal when the operation is resumed Swing setup SWING is displayed and the following display is repeated In all operations lt Repeats n group operation the louver positions can be set up collectively or individually When the unit stopped or the warning was output the louver is automatically set to full closed position When PRE HEAT 68 Heating ready is displayed Heating operation started or defrost o
71. anged Therefore be sure that water dust the former refrigerant or the former refrigerating oil is not mixed into the refrigerating cycle of the air conditioner with new refrigerant during installation work or service work If an incorrect work or incorrect service is performed there is a possibility to cause a serious accident Use the tools and materials exclusive to R410A to purpose a safe work 2 Cautions on Installation Service 1 Do not mix the other refrigerant or refrigerating oil For the tools exclusive to R410A shapes of all the joints including the service port differ from those of the former refrigerant in order to prevent mixture of them 2 As the use pressure of the new refrigerant is high use material thickness of the pipe and tools which are specified for R410A 3 In the installation time use clean pipe materials and work with great attention so that water and others do not mix in because pipes are affected by impurities such as water oxide scales oil etc Use the clean pipes Be sure to brazing with flowing nitrogen gas Never use gas other than nitrogen gas 4 For the earth protection use a vacuum pump for air purge 5 R410A refrigerant is azeotropic mixture type refrigerant Therefore use liquid type to charge the refrigerant If using gas for charging composition of the refrigerant changes and then characteristics of the air conditioner change 3 Pipe Materials For the refrigerant pipes cop
72. anged and then connect the removed lead wire to a new fan motor us FILE NO SVM 13011 Remarks Fan motor Motor lead holding bracket Fan motor lead Part name Drain pump Procedure 1 Detachment 1 Carry out works of item 1 of 2 and item 1 of 2 Remove the drain pump connector CN504 White 2P connected to the control P C board and then remove the lead wire from the clamp 3 Remove the fixing screws and then remove the drain pump O4 x 10 3 pcs 4 As shown in the right figure first pull out the connecting part of the drain pump and the drain hose from the drain port and then take out the drain pump 5 Set direction of the knob of the hose band downward slide it from the pump connect ing part to the hose side and then remove the drain hose from the drain pump 6 Pass the connector of the drain pump lead wire through the wiring taking out port and then take out the drain pump Attachment 1 Enter your hand into the drain port and pass the connector of the drain pump lead wire through the wiring taking out port 2 Connect the drain hose to the drain pump as before NOTE Insert the drain hose up to the end of the drain pump connecting part apply band to the white mark position of the hose and then set the band knob upward 3 Return the drain pump to the indoor unit and then mount it as before using the fixing Screws 04 x 10 3 pcs 4 Co
73. as may catch fire 2 Do not use a welder in the closed room When using it without ventilation carbon monoxide poisoning may be caused 3 Do not bring inflammables close to the refrigerant cycle otherwise fire of the welder may catch the inflammables Refrigerant The refrigerant used by this air conditioner is the R410A Check the used refrigerant name and use tools and materials of the parts which match with it For the products which use R410A refrigerant the refrigerant name is indicated at a position on the outdoor unit where is easy to see To prevent miss charging the route of the service port is changed from one of the former R22 Do not use any refrigerant different from the one specified for complement or replacement Otherwise abnormally high pressure may be generated in the refrigeration cycle which may result in a failure or explosion of the product or an injury to your body For an air conditioner which uses R410A never use other refrigerant than R410A For an air conditioner which uses other refrigerant R22 etc never use R410A If different types of refrigerant are mixed abnormal high pressure generates in the refrigerating cycle and an injury due to breakage may be caused When the air conditioner has been installed or relocated follow the instructions in the Installation Manual and purge the air completely so that no gases other than the refrigerant will be mixed in the refrigerating cycle F
74. ate and remove the air conditioners made by Toshiba Carrier Corporation or alternatively he or she has been instructed in such operations by an individual or individuals who have been trained and is thus thoroughly acquainted with the knowledge related to these operations The qualified service person who is allowed to do the electrical work involved in installation repair relocation and removal has the qualifications pertaining to this electrical work as stipulated by the local laws and regulations and he or she is a person who has been trained in matters relating to electrical work on the air conditioners made by Toshiba Carrier Corporation or alternatively he or she has been instructed in such matters by an individual or individuals who have been trained and is thus thoroughly acquainted with the knowledge related to this work The qualified service person who is allowed to do the refrigerant handling and piping work involved in installation repair relocation and removal has the qualifications pertaining to this refrigerant handling and piping work as stipulated by the local laws and regulations and he or she is a person who has been trained in matters relating to refrigerant handling and piping work on the air conditioners made by Toshiba Carrier Corporation or alternatively he or she has been instructed in such matters by an individual or individuals who have been trained and is thus thoroughly acquainted with the knowledge related to this
75. ation at all Ready Operation Flash Operation Operation Alternate flash Operation Timer Ready Alternate flash Check code Goes off O Goes on Xx Flash 0 5 second Cause of trouble occurrence Power supply OFF or miswiring between receiving unit and indoor unit Receiving error Receiving unit Miswiring or wire connection error Sending error 9 between receiving unit and indoor unit Communication interruption Duplicated indoor unit No Address Setup error Duplicated header units of remote controller Communication error between MCU on indoor unit P C board Automatic address start error Wire connection error between indoor units indoor power supply OFF Miswiring or wire connection error between indoor unit and outdoor unit Communication interruption between indoor and outdoor units Communication receiving error between indoor and outdoor units decrease of No of connected indoor units Communication sending error between indoor and outdoor units No indoor unit during setting of automatic address No of connected indoor units capacity over Error of No of center unit Disagreement of refrigerant pipe communication during setting of automatic address Communication sending error between outdoor units Duplicated setting of follower unit address Communication receiving error between
76. ayed Select outdoor unit UNIT LOUVER SWING FIX Select line address using button Determine the selected line address using button The address of the indoor unit connected to the refrigerant piping of the selected outdoor unit is dis played and the fan and the louver are on UNIT LOUVER Every pushing left side button button the indoor unit No in the identical piping is displayed one after the other Only fan and louver of the selected indoor unit start operation To select the other line address Push button and the operation returns to Procedure 2 The indoor address of other line can be continuously checked Push e button and then the procedure finishes TIMER SET M o CF TIME SAVE VENT 1 DO CHO FILTER RESET TEST SET CL SWING FIX UNIT LOUVER E D 3 5 4 lt Operation procedure gt 1 2 3 4 5 6 END 48 FILE NO SVM 13011 Changing the indoor unit address using a remote controller To change an indoor unit address using a wired remote controller v The method to change the address of an individual indoor unit the indoor unit is paired with a wired remote controller one to one or an indoor unit in a group The method is available when the addresses have already been set automatically SETDATA Nan n
77. city is determined by the outdoor unit Ts Setup temp Ta Room temp Automatic cooling heating control For SHRM only 1 The judgment of selecting COOL HEAT is carried out as shown below When 1 5 exceeds against Tsh 10 minutes and after thermo OFF heating operation Thermo OFF exchanges to cooling operation Description in the parentheses shows an example of cooling ON OFF 9 Cooling 11 5 Cooling ON _ 7 Cooling OFF Heating When 1 5 lowers against Tsc 10 minutes and after thermo OFF cooling operation Thermo OFF exchanges to heating operation For the automatic capacity control after judgment of cooling heating see Item 4 For temperature correction of room temp control in automatic heating see Item 3 23 For SHRM only Tsc Setup temp in cooling operation Tsh Setup temp in heating operation temp correction of room temp control Air speed selection Outline of specifications 1 Operation with HH H L or AUTO mode is carried out by the command from the remote controller 2 When the air speed mode AUTO is selected the air speed varies by the difference between Ta and Ts COOL lt gt automatic cooling Controlling operation case when thermo of remote controller works is same as a case when thermo of the body works If the air speed has been changed once it is not changed for 3 minutes H
78. ck the four way valve error Check the refrigerant shortage 2 sensor All stop Air discharge Check installation of TD2 sensor miswiring temperature of TD2 Check connection of TD2 sensor connector H15 H15 incomplete does not increase and wiring insertion despite compressor Check resistance characteristics of TD2 2 being in operation sensor Check for defect in outdoor P C board I F E FILE NO SVM 13011 Check code Location i Main Outdoor 7 segment display of Description System status Check items locations remote i controller Check Sub code detection SMMS VF Oil detection All stop The temperature Check the TK1 sensor installation 1 series circuit error change of TK1 Check the TK1 sensor resistant 01 TK1 oil cannot be detected characteristics circuit error even after Check the misconnection of TK1 TK2 02 TK2 oil Compressor 1 starts TKS or circuit error operating Check the SV3E valve error 03 TK3 oil Check the oil circuit capillary clogging circuit ITUR and non return valve error Check the hibernating refrigerant in Ms TKI oil compressor circuit error SMMS VF Oil detection All stop The temperature Check the TK2 sensor installation 1 series circuit error change of TK2 Check the TK2 sensor resistant 01 TK1 oil cannot be detected characteristics circuit error even after Check the misconnection of TK1 TK2 02 2 oil Compressor 2 s
79. cuit Check connection of TK2 sensor connector Check resistance characteristics of TK2 sensor Check for defect in outdoor P C board I F All stop Sensor resistance is infinity or zero open short circuit Check connection of TK3 sensor connector Check resistance characteristics of TK3 sensor Check for defect in outdoor P C board I F All stop Sensor resistance is infinity or zero open short circuit Check connection of TK4 sensor connector Check resistance characteristics of TK4 sensor Check for defect in outdoor P C board I F All stop Sensor resistance is infinity or zero open short circuit Check connection of TK5 sensor connector Check resistance characteristics of TK5 sensor Check for defect in outdoor P C board I F 75 FILE NO SVM 13011 Check code Location Main Outdoor 7 segment display of Description Systemstatus Error detection Check items locations remote condition s controller Check Sub code detection VF Compressor2 All stop Compressor 2 case Check Compressor 2 case thermo case thermo thermo was circuit activation activated Connector Wiring Circuit board Open and check the service valve Gas side Liquid side Check the outdoor PMV clogging 1 2 me Check the SV42 circuit Check the SV4 circuit SV41 42 miswiring Check the opening status of indoor PMV Che
80. d amount 15kg iss P RoomA Room Room D Room E Indoor unit For the amount of charge in this example The possible amount of leaked refrigerantgas in rooms A B and C is 10kg The possible amount of leaked refrigerant gas in rooms D E and F is 15kg Important NOTE 2 The standards for minimum room volume are as follows 1 No partition shaded portion 2 When there is an effective opening with the adjacent room for ventilation of leaking refrigerant gas opening withouta door or an opening 0 15 or larger than the respective floor spaces at the top or bottom of the door Outdoor unit piping m 3 If an indoor unit is installed in each partitioned room and the refrigerant piping is interconnected the smallest room of course becomes the object But when a mechanical ventilation is installed interlocked with a gas leakage detector in the smallest room where the density limit is exceeded the volume ofthe next smallest room becomes the object Indoor unit Refrigerant piping Outdoor unit Indoor unit Large room Mechanical ventilation device Gas leak detector NOTE 3 The minimum indoor floor area compared with the amount of refrigerant is roughly as follows When the ceiling is 2 7m high Range below the density limit of 0 3 kg m countermeasures not needed Range above the density limit of 0 3
81. described on the product itself and on this Service Manual Please read this Service Manual after understanding the described items thoroughly in the following contents Indications Illustrated marks and keep them Explanation of indications Indication Explanation DANGER Indicates contents assumed that an imminent danger causing a death or serious injury of the repair engineers and the third parties when an incorrect work has been executed Indicates possibilities assumed that a danger causing a death or serious injury of the AN WARNING repair engineers the third parties and the users due to troubles of the product after work when an incorrect work has been executed Indicates contents assumed that an injury or property damage may be caused on the N CAUTION repair engineers the third parties and the users due to troubles of the product after work when an incorrect work has been executed Property damage Enlarged damage concerned to property furniture and domestic animal pet Explanation of illustrated marks Indication Explanation Indicates prohibited items Forbidden items to do The sentences near an illustrated mark describe the concrete prohibited contents Indicates mandatory items Compulsory items to do The sentences near an illustrated mark describe the concrete mandatory contents Indicates cautions Including danger warning The sentences or illustration near or in an il
82. ditioners made by Toshiba Carrier Corporation or alternatively he or she has been instructed in such matters by an individual or individuals who have been trained and is thus thoroughly acquainted with the knowledge related to this work The qualified installer who is allowed to do the refrigerant handling and piping work involved in installation relocation and removal has the qualifications pertaining to this refrigerant handling and piping work as stipulated by the local laws and regulations and he or she is a person who has been trained in matters relating to refrigerant handling and piping work on the air conditioners made by Toshiba Carrier Corporation or alternatively he or she has been instructed in such matters by an individual or individuals who have been trained and is thus thoroughly acquainted with the knowledge related to this work The qualified installer who is allowed to work at heights has been trained in matters relating to working at heights with the air conditioners made by Toshiba Carrier Corporation or alternatively he or she has been instructed in such matters by an individual or individuals who have been trained and is thus thoroughly acquainted with the knowledge related to this work Qualified installer The qualified service person is a person who installs repairs maintains relocates and removes the air conditioners made by Toshiba Carrier Corporation He or she has been trained to install repair maintain reloc
83. door unit You may fall or the objects may fall off of the outdoor unit and result in injury Use forklift to carry in the air conditioner units and use winch or hoist at installation of them When transporting the air conditioner wear shoes with protective toe caps protective gloves and other protective clothing When transporting the air conditioner do not take hold of the bands around the packing carton You may injure yourself if the bands should break Be sure that a heavy unit 10 kg or heavier such as a compressor is carried by two persons This air conditioner has passed the pressure test as specified in IEC 60335 2 40 Annex EE Check earth wires Before troubleshooting or repair work check the earth wire is connected to the earth terminals of the main unit otherwise an electric shock is caused when a leak occurs If the earth wire is not correctly connected contact an electric engineer for rework After completing the repair or relocation work check that the ground wires are connected properly Be sure to connect earth wire Grounding work Incomplete grounding causes an electric shock Do not connect ground wires to gas pipes water pipes and lightning rods or ground wires for telephone wires Prohibition of modification FILE NO SVM 13011 Do not modify the products Do not also disassemble or modify the parts It may cause a fire electric shock or injury Use specified pa
84. e error of IPDU board for fan 84 FILE NO SVM 13011 Check code Location i Main Outdoor segment display of Description System status Frror detection Check items locations remote condition s controller Check Sub code detection SMMS i IPDU Outdoor fan All stop Sub code 0 Check fan motor Series 4 IPDU error Fan IPDU over current Check for defect in fan IGBT circuit protection circuit IPDU P C board 1 Position Flow of current equal to or detection circuit greater than the specified error value is detected during 3 Motor lockup startup of the fan error 4 Motor current All stop Sub code 1 Check fan motor detection Fan IPDU position detection Check connection of fan C TH sensor circuit motor connector ea Position detection is not Check for defect in fan D TH ener going on normally IPDU P C board error All stop Sub code 3 Check fan motor E Inverter DC Gusty wind an obstruction Check for defect in fan voltage error or another external factor IPDU P C board outdoor fan Speed estimation is not going on normally Note Although All stop Sub code 4 Check fan motor P22 P22 letters 0 to F Fan IPDU over current Check connection of fan appear at protection circuit motor connector locations Flow of current equal to or Check for defect in fan indicated by greater than the specified IPDU P C board please value is detected during i
85. eck for defect in outdoor P C board I F F29 Indoor unit Other indoor error Stop of corresponding unit Indoor P C board does not operate normally Check for defect in indoor P C board faulty EEPROM F31 F31 VF Outdoor EEPROM error All stop 1 Outdoor P C board does not operate normally Check power supply voltage Check power supply noise Check for defect in outdoor P C board I F H01 01 Compressor 1 side 02 Compressor 2 side 03 Compressor 3 side H01 IPDU Compressor breakdown All stop Inverter current detection circuit detects overcurrent and shuts system down Check power supply voltage 380 415V 10 Check for defect in compressor Check for possible cause of abnormal overloading Check for defect in outdoor P C board A3 IPDU H02 01 Compressor 1 side 02 Compressor 2 side 03 Compressor 3 side H02 IPDU Compressor error lockup MG CTT error All stop Overcurrent is detected several seconds after startup of inverter compressor Check for defect in compressor Check power supply voltage 380 415V 10 Check compressor system wiring particularly for open phase Check connection of connectors terminals on A3 IPDU P C board Check conductivity of case heater Check for refrigerant entrapment inside compressor Check for defect in outdoor P C board A3 IPDU Check outdoo
86. ecting the Swing mode Dual swing or Cycle swing the following numerals is displayed at the center of the remote controller screen for approx 3 seconds when CES button was pushed to select SWING No display for the standard swing 7 IL T Alternate lighting ighting 0 5 sec 0 7 1 110 Dual swing Cycle swing Louver lock Louver fix For the air direction setup for each discharge port the louver position can be locked during the normal operation An arbitrary air direction of an arbitrary louver can be registered and set by keeping button pushed for 4 seconds or more on the remote controller The louver lock can be set by registering the setup data to Item code DN F1 to F4 according to the following table CODE No Objective louver No Setup data 0000 Release At shipment 0001 Horizontal discharge position 0005 Downward discharge position 30 FILE NO SVM 13011 Remarks Carry out setting operation during stop of the unit otherwise the unit stops operation For the setting operation refer to How to set up type of the swings in Item 7 APPLIED CONTROL Carry out setting operation during stop of the unit otherwise the unit stops operation FILE SVM 13011 No Item Outline o
87. ed Check connection of fan unit corresponding measurements connector and wiring unit continuously Check for defect in fan motor P12 deviate from target Check for defect in indoor value Overcurrent protection is activated P C board Check impact of outside air treatment OA Check static pressure setting EI MG CTT Magnet contactor FILE NO SVM 13011 Check code Main remote controller Outdoor 7 segment display Check code Sub code Location of detection Description System status Error detection condition s Check items locations P13 P13 Outdoor liquid backflow detection error All stop During cooling operation When system is in cooling operation high pressure is detected in follower unit that has been turned off During heating operation When system is in heating operation outdoor PMV 1 or 2 continuously registers opening of 100p or less while under SH control Check full close operation of outdoor PMV 1 2 4 Check for defect in Pd or Ps sensor Check gas balancing circuit SV2 for clogging Check balance pipe Check SV3B circuit for clogging Check defect in outdoor P C board I F Check capillary of oil separator oil return circuit for clogging Check for leakage of check valve in discharge pipe convergent section P15 01 TS condition P15 Gas leakdetection TS
88. electric parts box cover and the Dharma doll hole and then insert pin of the bell mouth into hole of the electric parts box cover 2 Tighten the fixing screws A and B and then fix the electric parts box cover 3 Following to work of item 2 of 1 mount the suction grille as before E Claw of electric parts box Bell mouth pin D Potbelly hole Fixing screw B Dharma doll hole s Sliding direction Claw of electric i parts box cover Fixing screw A FILE NO SVM 13011 Part name Procedure Remarks Electric parts cover Continued Adjust corner cap 1 Detachment 1 Pull knob of the adjust corner cap to the arrow direction remove strap of the adjust corner cap from pin of the panel and then remove all the 4 corners of the cap Adjust corner cap NOTE The knob is provided to only one side Be sure to remove the cap of the knob side at first Pulling direction 2 Attachment 1 Hook strap of the adjust corner cap securely to pin of the ceiling panel 2 Insert claw of the adjust corner cap into the square hole of the panel 2 positions 3 Push claws of the adjust corner cap into the positions indicated with arrow marks so that they fit in Strap of 3 positions adjust corner cap Claws 3 positions UE N Push into positions with arrow marks zB Part name Ceiling panel Procedure 1 Detachment 1 Carry out
89. erated alarm error error P30 is displayed on central P30 control remote controller Duplicated Continued There is duplication in central Check address settings L20 displayed central control operation control addresses address 86 FILE NO SVM 13011 8 5 Sensor charateristics Indoor unit V Temperature sensor characteristics Indoor TA sensor 30 Resistance ko Temperature C Resistance 20 10 20 30 40 50 60 Temperature Temperature Resistance 99 9 T 74 1 Indoor TC1 sensor gt 200 20 Resistance Resistance 10 or below 10 or above 100 SSS esas 10 m 1 i 1 50 5 1 1 1 1 1 30 20 10 0 10 20 30 40 50 60 70 80 90 100 Temperature lt Temperature SEE NENNT RM Indoor TC2 and TCJ sensors 1152 200 20 150 Resistance kO 10 or below 15 Resistance kO 10 or above 100 10 30 20 10 0 10 20 30 40 50 60 70 80 90 100 Temperature FILE NO SVM 1301 1 Winding Resistance of Fan Motor Checking procedure Measure the resistance value of each winding by using the tester SWF 230 60 2R SWF 230 60 2R 009 012 015 AP018 AP024 AP027 Fan motor inside wiring diagram
90. error was detected outdoor power wiring Serios 1 when the power is Check the outdoor PC board 01 Open phase detected turned on error 02 Phase Open phase error sequence error was detected when the power is turned on P05 SMMS i VF Detection of open All stop Open phase is Check for defect in outdoor Series 4 phase phase detected when P C board I F 00 sequence power is turned 01 Compressor Inverter DC voltage DC 1 side error voltage is too high 02 Compressor compressor overvoltage or 2 side MG CTT error too low 03 Compressor undervoltage 3 side 01 Compressor IPDU Heat sink overheating All stop Temperature sensor Check power supply voltage 1 side VF error built into IGBT TH Check outdoor fan system 02 Compressor is overheated error 2 side Check heat sink cooling duct 03 Compressor for clogging 3side Check IGBT and heat sink for P07 P07 thermal performance for faulty installation e g mounting screws and thermal conductivity Check for defect in A3 IPDU faulty IGBT built in temperature sensor TH Detected indoor Indoor Indoor overflow error All stop Float switch Check float switch connector address unit operates Check operation of drain Float switch circuit pump P10 P10 is open circuited Check drain pump circuit or disconnected at Check drain pipe for clogging connector Check for defect in indoor P C board Indoor Indoor fan motor error Stop of Motor spe
91. es 2 In the case of group connection only the header indoor unit data can be displayed 3 The upper digit of CODE No indicates the outdoor unit No 4 The upper digit of CODE No 4 indicates the outdoor unit No 13 53 U1 outdoor unit Center unit U2 outdoor unit terminal unit 1 3x 7 outdoor unit terminal unit 2 4x U4 outdoor unit terminal unit 3 5 Only CODE No 5x of U1 outdoor unit Center unit is displayed 55 FILE SVM 13011 B LED display on P C board 1 D501 Red D501 goes on at the same time when the power supply is turned on Goes on with operation of the main microprocessor D501 flashes with 1 second interval every 0 5 second When there is no EEPROM or write in error D501 flashes with 10 seconds interval every 5 second In DISP mode D501 flashes with 2 seconds interval every 1 second During setting of function exchange EEPROM 2 D403 Red 0403 goes on when power is supplied to the remote controller ON in hardware 3 D503 Yellow Indoor Outdoor central control D503 goes on for 5 seconds at the first half during communication with the central controller D503 flashes for 5 seconds with 0 2 second interval at the latter half during communication with outdoor unit Goes on for 0 1 second goes off for 0 1 second 4 D504 Green Remote controller communication 0504 goes on for 5 seconds at the first half duri
92. es providing protection for heat Cooling check When the service panel of the outdoor unit is to be opened in order for the fan motor reactor inverter or the areas around these parts to be repaired immediately after the air conditioner has been shut down set the circuit breaker to the OFF position and then wait at least 10 minutes before opening the service panel If you fail to heed this warning you will run the risk of burning yourself because the fan motor reactor inverter heat sink and other parts will be very hot to the touch In addition before proceeding with the repair work wear the kind of insulated heat resistant gloves designed to protect electricians Only a qualified installer or service person is allowed to do installation work Inappropriate installation may result in water leakage electric shock or fire Before starting to install the air conditioner read carefully through the Installation Manual and follow its instructions to install the air conditioner Be sure to use the company specified products for the separately purchased parts Use of non specified products may result in fire electric shock water leakage or other failure Have the installation performed by a qualified installer Do not supply power from the power terminal block equipped on the outdoor unit to another outdoor unit Capacity overflow may occur on the terminal block and may result in fire Do not install the air conditione
93. etween indoor units and CN441 connectors as before and then turn on power of all the indoor unit It takes approx 1 min until the remote controller operation is available again The CODE No DN are ranged from 7 to FF The CODE DN is not limited to be serial No Even after modifying the data wrongly and pushing C button it is possible to return to the data before modification by pushing gt button if the CODE No DN is not changed Fig 3 EEPROM layout diagram EEPROM IC503 is attached to the IC socket When detaching the EEPROM use a tweezers etc Be sure to attach the EEPROM by fitting its direction as shown in the figure Do not bend the IC lead when replacing EEPROM lt Cut out IC socket Cut out EEPROM Fig 3 103 FILE NO SVM 13011 Make a note of the setup contents CODE No DN list Example gt Filter sign lighting time Setting data Factory set value Depending on Type Filter pollution leve 0000 standard Central control address 0099 Not determined Heating suction temperature shift 0002 2 C flooring installation type 0 Existence of automatic COOL HEAT mode 0001 No auto mode cooling heating Automatically selection by Cooling only connected outdoor unit 0000 Heat pump Type Depending on model type Indoor unit capacity Depending on capacity type System address 00
94. excessively Suffocation from leakage of R410A is almost non existent With the recent increase in the number of high concentration buildings however the installation of multi air conditioner systems is on the increase because of the need for effective use of floor space individual control energy conservation by curtailing heat and carrying power etc Most importantly the multi air conditioner system is able to replenish a large amount of refrigerant compared with conventional individual air conditioners If a single unit of the multi conditioner system is to be installed in a small room selecta suitable model and installation procedure so that the refrigerant accidentally leaks out its concentration does not reach the limit and in the event of an emergency measures can be made before injury can occur In a room where the concentration may exceed the limit create an opening with adjacent rooms or install mechanical ventilation combined with a gas leak detection device The concentration is as given below Total amount of refrigerant kg Min volume of the indoor unit installed room m lt Concentration limit kg m The concentration limit of R410A which is used in multi air conditioners is 0 3kg m NOTE 1 If there are 2 or more refrigerating systems in a single refrigerating device the amounts of refrigerant should be as charged in each independent device Outdoor unit e g charged amount 10kg eg charge
95. f specifications Remarks 18 Louver control f there is the locked louver in the unit 4 amp goes on the For the setting operation Continued remote controller screen refer to How to set louver While the following controls are performed the louvers lock of Installation Manual operate even if executing the louver lock Control which ignores lock Objective louver No Operation stop Horizontal discharge position When heating operation started Horizontal discharge position Heating thermo OFF Horizontal discharge position During defrost operation Horizontal discharge position Initialize operation Full close position The real louver corresponding to the louver No displayed It is position check operation on the remote controller screen during setting of louver and it does not link with the lock operates swinging real louver and air direction setup Illustration on the remote controller screen 19 DC motor 1 When the fan stator positioning is performed for the Check code P12 starter and the rotor Vibrate slightly 2 DC motor operates according to the command from the indoor controller Note If the fan rotates by entry of outside air etc while the air conditioner stopped the indoor unit may operate as the fan motor stops Note If the fan lock was detected the operation of the indoor unit stops and the error is displayed 20 Save operation 1 The function Save operation is not provided to the f pushing SAVE
96. g connection connected ofthe switching unit Miswiring of discharge gas suction gas Check the SVS SVD valve miswiring misinstallation AI NET Duplicated All stop There is duplication in central Check central control Indoor central control control address setting addresses L20 unit address Check network adaptor P C board applicable to AI NET VF Too many All stop There are more than four Check No of outdoor units outdoor units outdoor units connected Only up to 4 connected units per system allowed Check communication L28 L28 lines between outdoor units Check for defect in outdoor P C board I F SMMS Series 1 Error in No of All stop Insufficient number of IPDUs Check model setting of 01 A3 IPDU1 IPDUs are detected when power is P C board for servicing error turned on outdoor P C board 02 A3 IPDU2 Check connection of UART error communication connector 03 A3 IPDU1 A3 Check A3 IPDU fan IPDU IPDU2 error and I F P C board for 04 Fan IPDU defect error 05 A3 IPDU1 Fan IPDU error 06 A3 IPDU2 Fan IPDU error 07 All IPDU error or Communication error between IPDU and I F circuit board or Outdoor I F circui board error L29 L29 SMMS i Series 4 A3 IPDU Fan 1 2 3 01 0 02 0 03 0 0 04 05 0 06 0 0 07 08 090 0 oc ojo 00 ojo 0 0 0 Symbol signifies site of IPDU error
97. g has Check indoor addresses unit addresses corresponding not been performed Note 108 108 set unit for indoor units This code is displayed when power is turned on for the first time after installation Indoor Indoor Stop of Capacity setting has Set indoor capacity DN 11 Log unit capacity not corresponding not been performed set unit for indoor unit FILE NO SVM 13011 Check code i Location Outdoor 7 segment display of Description System status Error detection Check items locations remote condition s controller check Sub code detection VF Outdoor All stop Jumper wire provided on P C Check model setting of P C L10 L10 capacity not set board for servicing I F P C board for servicing outdoor board has not been removed P C board as required for given model Target indoor VF Outdoor unit The outdoor unit model is Check the outdoor unit L17 L17 address model mismatch duplicate The Cool Heat model error Flex series 1 2 are duplicate VF Cool heat Only the target The heating operation was Check the remote controller switch unit error unit stopped performed without the cool setting DN 0F only setting configured in a Check the cool heat cool only room where a cool switching unit L18 L18 _ heat switch unit is not Check the pipin
98. gnore them operation of the fan All stop Sub code C Check fan motor Higher temperature than the Check for defect in fan specified value is detected IPDU P C board during operation of the fan All stop Sub code D Check for defect in fan The resistance value of the IPDU P C board sensor is infinite or zero open or short circuit All stop Sub code E Check power voltage of Fan IPDU DC voltage the main power supply protection circuit Check for defect in fan The DC voltage higher or IPDU P C board lower than the specified Check connection of fan value is detected IPDU P C board 01 Compressor IPDU G TR shortcircuit All stop Overcurrent is momentarily Check connector 1 side protection detected during startup of connection and wiring on 02 Compressor error compressor A3 IPDU P C board 2 side Check for defect in P26 P26 03 Compressor compressor layer short 3 side circuit Check for defect in outdoor P C board A3 IPDU 01 Compressor IPDU Compressor All stop Position detection is not Check wiring and 1 side position going on normally connector connection 02 Compressor detection circuit Check for compressor P29 P29 2 side error layer short circuit 03 Compressor Check for defect in A3 3 side IPDU board Indoor Other indoor Stop of There is error in other indoor Check indoor P C board P31 unit error corresponding unit in group resulting in group follower unit detection of E07 L07 L03 un
99. ien board for fan protection circuit oar exceeded Overcurrent was detected 04 Rotation difference error when the fan started running OD Lock or during operation OC Fan lock All stop Sub code OE Check the fan motor FAN IPDU position detection Check the connector circuit connection for fan motor Position detection is not error of IPDU performed properly stop Sub code OF Check the fan motor FAN IPDU position detection Check the connector circuit for ten maor 3 m eck the error o Position detection is not board for fan performed properly All stop Sub code 06 Check the fan motor External factors such as Check the error of IPDU P22 P22 blast board for fan Position detection is not performed properly Restarted in 6 seconds All stop Sub code 04 Check the fan motor External factors such as Check the error of IPDU blast board for fan The difference between targeted rotation and actual rotation is 25 or more Restarted in 6 seconds All stop Sub code OD Check the fan motor FAN IPDU position detection Check the connector circuit connection for fan motor Position detection is not Check the error of IPDU performed properly No board for fan wind All stop Sub code 0 Check the fan motor External factors such as blast Position detection is not performed properly Wind blows Restarted in 6 seconds Check th
100. ime elapsed the counted time is reset and the LC display is deleted 27 amp FILTER goes on FILE SVM 13011 Outline of specifications Remarks Display of lt READY gt Displayed on the remote controller e lt READY display READY 1 When the following check codes are indicated No display for wireless HEAT READY Open phase of power supply wiring P05 was detected type remote controller There is an indoor unit that detected the indoor overflow P10 There is an indoor unit that detected the interlock alarm L30 2 During Force Thermo OFF COOL DRY operation is unavailable because the other indoor unit operates with HEAT mode HEAT operation is unavailable because COOL priority SW11 bit1 of the Outdoor P C board is ON is set and the other indoor unit operates with COOL DRY mode 3 The above indoor units that cannot operate stay in Thermo OFF status 4 The indoor fan stops because the system performs Recovery operation for heating refrigerant HEAT READY Displayed on the remote controller HEAT READY The indoor fan stops in order to prevent discharge of cool air display when heating operation started or during heating operation including the defrost operation during thermo OFF Selection of 1 Selection of the contents that can be operated by the remote controller at the indoor central control unit side is possible according to setting at the centr
101. in Pd pressure sensor Check service valves gas side liquid side to confirm full opening Check for defect in outdoor fan Check for defect in outdoor fan motor Check outdoor PMVs PMV1 2 4 for clogging Check indoor outdoor heat exchangers for clogging Check for short circuiting of outdoor suction discharge air flows Check SV2 circuit for clogging Check for defect in outdoor P C board I F Check for defect in indoor fan system possible cause of air flow reduction Check opening status of indoor PMV Check indoor outdoor communication line for wiring error Check for faulty operation of check valve in discharge pipe convergent section Check gas balancing SV4 valve circuit Check SV5 valve circuit Check for refrigerant overcharging 83 FILE NO SVM 13011 Check code Location Main Outdoor 7 segment display of Description System status Error detection Check items locations remote Check condition s controller mode Sub code detection SMMS Series 1 PDU Outdoor fan All stop Sub code 08 Check the fan motor 08 Out of step IPDU error FAN IPDU position detection Check the connector 0A IDC circuit connection for fan motor activation Position detection is not Check the error of IPDU board for fan OE Sync error performed properly F trol All stop Sub code 0A Check the fan motor s FAN IPDU overcurrent Check the error of IPDU rotation c
102. indoor unit and remote controller only When power has been turned on Timer short Usual Indoor unit forced thermostat OFF operation 7 1 FILE NO SVM 13011 7 APPLIED CONTROL Setup of Selecting Function in Indoor Unit Be Sure to Execute Setup by a Wired Remote Controller Procedure Execute the setup operation while the unit stops A Q MODE 4 SAVE VENT SWING FIX UNIT LOUVER DA Q Push 5 and c buttons simultaneously for 4 seconds or more The firstly displayed unit No indicates the header indoor unit address in the group control In this time the fan of the selected indoor unit is turned on UNIT LOUVER Every pushing left side button button the indoor unit numbers in the group control are successively displayed In this time the fan of the selected indoor unit only is turned on Specify the CODE No DN using the setup temperature Cv and C4 buttons Select the setup data using the timer time v and buttons When selecting the DN code to 33 change the temperature indication of the unit from C to F on the remote controller SET Push gt button OK if display goes on To change the selected indoor unit return to procedure 2 To change the CODE No to be set up return to procedure 3 6 Pushing e button returns the status to normal stop status 40 Filter display delay timer Table F
103. ine 02 Connection of indoor unit from other line E20 VF Connection to other line found during automatic address setting All stop Equipment from other line is found to have been connected when indoor automatic address setting is in progress Disconnect inter line tie cable in accordance with automatic address setting method explained gAddress setting h section E23 E23 VF Outdooroutdoor communication transmission error All stop Signal cannot be transmitted to other outdoor units for at least 30 seconds continuously Check power supply to outdoor units IS power turned on Check connection of tie cables between outdoor units for bad contact or broken wire Check communication connectors on outdoor P C boards Check for defect in outdoor P C board I F Check termination resistance setting for communication between outdoor units E25 E25 Duplicated follower outdoor address All stop There is duplication in outdoor addresses set manually Note Do not set outdoor addresses manually E26 Address of outdoor unit from which signal is not received normally E26 VF Dropping out of outdoor unit All stop Outdoor unit initially communicating normally fails to return signal for specified length of time Backup setting is being used for outdoor units Check power supply to outdoor unit Is power turned on Check connecti
104. installation error involving SV41 SV42 and SV43 P18 P18 VF Discharge temperature TD3 error All stop Discharge temperature exceeds 115 C Check outdoor service valves gas side liquid side to confirm full opening Check outdoor PMVs PMV1 2 4 for clogging Check resistance characteristics of TD3 sensor Check for defect in 4 way valve Check SV48 circuit for leakage Check SV4 circuit for wiring or installation error involving SV41 SV42 and SV43 85 FILE NO SVM 13011 Check code Main remote controller Outdoor 7 segment display Check code Sub code Location of detection Description System status Error detection condition s Check items locations P19 Detected outdoor unit No P19 VF 4 way valve reversing error All stop Abnormal refrigerating cycle data is collected during heating operation Check for defect in main body of 4 way valve Check for coil defect in 4 way valve and loose connection of its connector Check resistance characteristics of TS1 and TE1 sensors Check output voltage characteristics of Pd and Ps pressure sensors Check for wiring error involving TE1 and TL sensors P20 P20 Activation of high pressure protection All stop Pd sensor detects pressure equal to or greater than 3 6 MPa Check for defect
105. it error L08 Errors detected by TCC LINK central control device FILE NO SVM 13011 Check code Location Main Outdoor 7 segment display of Description System status Error detection Check items locations remote 5 condition s controller Check Sub code detection TCC LINK TCC LINK Continued Central control device is Check for defect in central central control operation unable to transmit signal control device device Check for defect in central C05 transmission control communication error line Check termination resistance setting TCC LINK Continued Central control device is Check for defect in central central control operation unable to receive signal control device device reception Check for defect in central error control communication line Check termination resistance setting Check power supply for devices at other end of central control communication line Check defect in P C boards of devices at other end of central control communication line General Blanket alarm Continued Error signal is input to control Check error input C12 for general operation interface for general purpose device purpose device devices VF control interface Differs according to TCC LINK Group control Continued Error occurs in follower unit Check check code of unit nature of alarm causing follower unit operation under group control that has gen
106. ively operated and they can not be individually operated 1 Operation Handle a wired remote controller in the following procedure Use the wired remote controller during stop of the system Be sure to set up the wired remote controller to the header unit Same in group control group control if the wired remote controller is set up to the header unit both header and follower units are simultaneously operable Push concurrently 5 c buttons for 4 seconds or more The unit No displayed firstly indicates the header indoor unit address in the group control In this time the fan of the selected indoor unit turns on UNIT LOUVER Every pushing left side button button the indoor unit numbers in group control are displayed successively In this time the fan of the selected indoor unit only turns on Using the setup temp Cv or C4 button specify the CODE No 37 Using the timer time or button select the setup data At shipment 2227 The setup data are as follows Setup data Handling of operation of air to air heat exchanger or ventilating fan Unavailable At shipment Available Push 5 button OK if display goes on To change the selected indoor unit go to the procedure 2 To change the item to be set up go to the procedure 3 Pushing e returns the status to the usual stop status 2 Wiring Relay DC12V procured locally Corresponds to
107. k connection of lowp error Pd Ps Switched ressure Ps sensor connector Output voltages of both Check for defect in pressure F16 F16 sensors are zero sensors Pd and Ps Check for error in outdoor P C board I F Check for deficiency in compressive output of compressor VF TD3 sensor Allstop Sensor resistance is infinity Check connection of error or zero open short sensor connector circuit Check resistance pen Pes characteristics of sensor Check for defect in outdoor P C board I F VF Ps sensor All stop Output voltage of Ps Check for connection error error sensor is zero involving Ps sensor and Pd sensor connectors Check connection of Ps sensor connector Check for defect in Ps sensor 23 F23 7 Check for deficiency in compressive output of compressor Check for defect in 4 way valve Check for defect in outdoor P C board I F Check for defect in SV4 circuit FILE NO SVM 13011 Check code Main remote controller Outdoor 7 segment display Check code Sub code Location of detection Description System status Error detection condition s Check items locations F24 F24 VF Pd sensor error All stop Output voltage of Pd sensor is zero sensor open circuited Pd gt 4 15 MPa despite compressor having been turned off Check connection of Pd sensor connector Check for defect in Pd sensor Ch
108. lustrated mark describe the concrete cautious contents FILE NO SVM 13011 Warning Indications on the Air Conditioner Unit Confirmation of warning label on the main unit Confirm that labels are indicated on the specified positions If removing the label during parts replace stick it as the original Warning indication Description WARNING ELECTRICAL SHOCK HAZARD Disconnect all remote electric power supplies before servicing WARNING ELECTRICAL SHOCK HAZARD Disconnect all remote electric power supplies before servicing WARNING Moving parts Do not operate unit with grille removed Stop the unit before the servicing WARNING Moving parts Do not operate unit with grille removed Stop the unit before the servicing CAUTION High temperature parts You might get burned when removing this panel CAUTION High temperature parts You might get burned when removing this panel CAUTION Do not touch the aluminium fins of the unit Doing so may result in injury CAUTION Do not touch the aluminium fins of the unit Doing so may result in injury CAUTION BURST HAZARD Open the service valves before the operation otherwise there might be the burst CAUTION BURST HAZARD Open the service valves before the operation otherwise there might be the burst CAUTION Do not climb onto the fan guard Doing so may result in injury CAUTION Do not
109. mote heck detection condition s controller pee Sub code SMMS i VF Oil level All stop No temperature Check for disconnection of TK4 sensor 4 series detection change is detected Check resistance characteristics of 01 TK1 oil circuit error by TK4 despite TK4 sensor circuit error compressor having Check for connection error involving 02 2 oil been started TK1 TK2 TK3 and sensors circuit error Check for faulty operation in SV3E or 03 oil SV3F valve circuit error Check for clogging in oil equalizing 04 TK4 oil circuit capillary and faulty operation in circuit error check valve 05 TKS oil Check for refrigerant entrapment inside circuit error compressor H16 H16 No temperature Check for disconnection of TK5 sensor change is detected Check resistance characteristics of by TK5 despite TK5 sensor compressor having Check for connection error involving been started TK1 TK2 TK3 TK4 and TK5 sensors Check for faulty operation in SV3E valve Check for clogging in oil equalizing circuit capillary and faulty operation in check valve Check for refrigerant entrapment inside compressor VF sensor All stop Air discharge Check installation of TD3 sensor miswiring temperature TD3 Check connection of TD3 sensor incomplete does not increase connector and wiring H25 H25 insertion despite compressor Check resistance characteristics of 3 being in operation TD3 sensor Check for defect in outdoor P
110. n nun TEST When pushing gt button the status becomes normal OFF MODE SAVE VENT RESET TEST SWING FIX UNIT LOUVER 9 Operation gt 1 gt 2 gt 3 4 Returns to normal status How to clear error of indoor unit The error of indoor unit is cleared by 9975 button of the remote controller Only error of the indoor unit connected with remote controller to be operated is cleared FILE NO SVM 13011 B Monitoring function of remote controller switch When using the remote controller Model Name RBC AMT32E the following monitoring function can be utilized Calling of display Contents The temperature of each sensor of the remote controller indoor unit and outdoor unit and the operating status can be checked by calling the service monitor mode from the remote controller Procedure 1 Push et buttons simultaneously for 4 seconds or more to call up the service monitor mode The service monitor goes on and firstly the temperature of the CODE No 277 is displayed 2 Push lt 3 button to change CODE No to the CODE No to be monitored For display code refer to the following table 3 UNIT LOUVER 2 TIMER SET Push left side button button to change to item to be monitored The sensor temperature of indoor unit or 4
111. nce the motor protection level setting selection is preformed on it Set J02 as follows depending on the capacity class 09 to type None Connector CN504 for drain pump AP036 to 56 type Required Factory setting 10 Push the e button to return to the normal stop status It takes approx 1 min until the remote control operation is available again Step 4 Write the on site setting data to the EEPROM such as address setting etc Perform the steps 1 and 2 above again Step 5 Change the CODE DN to Z by pushing G buttons for the temperature setting This is the setting for the filter sign lighting time 102 Step 6 Step 7 Step 8 Step 9 FILE NO SVM 13011 Check the setting data displayed at this time with the setting data down in 1 on page 104 1 If the setting data is different modify the setting data by pushing buttons for the timer setting to the data put down in 1 The operation completes if the setting data is displayed 2 f the data is the same proceed to next step Change the CODE No DN by pushing CAD buttons for the temperature setting As described above check the setting data and modify to the data put down in 1 Repeat the steps 6 and 7 After the setting completes push e button to return to the normal stop status 6 In a group operation turn off the power supply once return the group wires b
112. ng communication with remote controller Header unit of group n the group indoor unit D504 flashes for 5 seconds with 0 2 second interval at the latter half during communication between header and follower unit Goes on for 0 1 second goes off for 0 1 second 56 FILE NO SVM 13011 8 TROUBLESHOOTING 8 1 Troubleshooting Summary 1 Before troubleshooting 1 Applied models SMMS i Multi type models Indoor unit MMX APXXX Outdoor unit MMY MAPXXXXT8X MMY MAPXXXHT7X Q Super Heat Recovery Multi type models Indoor unit MMX APXXX Outdoor unit MMY MAPXXXFT8X Mini SMMS Multi type models Indoor unit MMX APXXX Outdoor unit MCY MAPXXXHT MCY MAPXXXHT2X 2 Required tools measuring devices Screwdrivers Philips Minus spanner radio pinchers nipper push pin for reset switch etc Tester thermometer pressure gauge etc 3 Confirmation before check The following items are not troubles Operation Check items Compressor does not operate s not delayed for 3 minutes 3 minutes after compressor OFF s not thermostat OFF s not the fan operating or timer s not the system initially communicating Heating operation cannot be performed under condition of outside temperature 21 C or higher Cooling operation cannot be performed under condition of outside temperature 5 C or lower Indoor fan does not work s not the cold draft prevention being controlled in heating
113. ng operation of the drain pump if the float switch operates the drain pump continuously operates and a check code is issued During stop status of the drain pump if the float switch operates the thermostat is forcedly off and this control operates the drain pump After continuous operation of the float switch for approx 5 minutes this control stops the operation and a check code is issued Check Code P10 Elimination of retained heat When the unit stopped from HEAT operation the indoor fan operates with L for approx 30 seconds HA control ON OFF operation is available by input of HA signal from the remote site when connected to remote controller or the remote ON OFF interface HA control outputs ON OFF status to HA terminal The specifications of HA conform to JEMA standard When using HA terminal CN61 for the remote ON OFF a connector sold sepa rately is necessary In case of group operation use the connector to connect HA terminal to either header or follower indoor unit Display of filter sign amp Not provided to the wireless type The filter sign is displayed with LC by sending the filter reset signal to the remote controller when the specified time 150H 2500H elapsed as a result of integration of the operation time of the indoor fan The integrated timer is cleared when the filter reset signal is received from the remote controller In this time if the specified t
114. nnect the drain pump connector CN504 White 2P to the control P C board and then fix it as before with the clamp 5 Following to words of item 2 of 6 and item 2 of 0 mount the drain cap the electric parts box cover and the suction grille as before 96 FILE NO SVM 13011 Remarks Fixing screw A Drain pump Drain pump lead wire Drain hose aee A pe FILE NO SVM 13011 Part name Procedure Remarks Float switch 1 Detachment assembly 1 Carry out works of item 1 of 7 and works 3 1 10 5 2 Remove fixing screw and then remove the float switch assembly O4 x 25 1 pc 2 Attachment 1 Mount the float switch assembly as before with the fixing screw NOTE When mounting match hole of the float switch assembly with projection of the drain pan 2 Mount the bell mouth as before 04 x 10 8 pcs 3 Following to works of item 2 of 7 and works from 2 to 5 attach the parts as before 1 Detachment 1 Carry out works of item 1 of Z item 1 of 6 item 1 of 7 and works from 2 to 5 2 Remove the fixing screws to remove the drain pan O4 x10 4 pcs Drain pan 2 Attachment 1 Fix parts as before in order of drain cap drain pan bell mouth 2 Following to works of item 2 of 7 and works from 2 to 5 attach parts as before lt 07 FILE NO SVM 13011 Part name Procedure Remarks PMV motor 1
115. nnected indoor units 0415 41 5 Number of connected outdoor units 0004 4 00 CODE No 02 U3 Total horse power of outdoor units Data 0420 42HP Remote controller display example Individual data 1 of outdoor unit 3 20 30 Detection pressure of high pressure sensor Pd 21 31 Detection pressure of low pressure sensor Ps 0123 1 23 MPa 22 32 Discharge temperature of compressor 1 Td1 23 33 24 34 Discharge temperature of compressor 2 Td2 Discharge temperature of compressor 3 Td3 25 35 Suction Temperature TS 26 36 Coil Temperature 1 TE1 27 37 Coil Temperature 2 TE2 28 38 Liquid Temperature TL 29 39 Outdoor Temperature TO 0024 24 2 PMV1 2 2B PMV4 0050 500 pls 2C 3C Current of compressor 1 1 2 3D Current of compressor 2 2 0135 13 5 A 2E Current of compressor 3 2 Outdoor fan current IFan 1 The TF TSA TOA sensors are equipped only with some types of indoor units The data does not appear for other types 2 n the case of group connection only the header indoor unit data can be displayed 8 The upper digit of CODE No indicates the outdoor unit No 4 The upper digit of CODE No 4 indicates the outdoor unit No U1 outd
116. nt check codes may be displayed depending on the outdoor unit configuration e g a Super heat recovery multi system For details see the service manual for the outdoor unit 63 FILE NO SVM 13011 8 3 Troubleshooting by check Display on Remote Controller B n case of wired remote controller RBC AMTS2E 1 Confirmation and check When a trouble occurred on the air conditioner the check code and the indoor unit No are displayed on the display section of the remote controller The check code is displayed while the air conditioner operates s Check code Indoor unit No in which If the display disappeared operate the air an error occurred conditioner and check the error based upon the following Confirmation of error history 2 Confirmation of error history 2 When a trouble occurred on the air conditioner the error history can be confirmed with the following procedure Up to 4 error histories are stored in memory This history can be confirmed from either operating status or stop status 3 FAN MODE CB VENT C gt Ca SWING FIX UNIT LOUVER FILTER RESET TEST Procedure Description When pushing O and e buttons simultaneously for 4 seconds or more the below display appears If AF Service Check is displayed the mode enters in the error history mode 01 Error history order is displayed in CODE No window Check Code i
117. ntinues operation of the indoor fan in LOW mode continues until it reaches the 7 zone It is reset when the following conditions are satisfied Reset conditions 1 TC1 gt 12 C and TC2 gt 12 C and TCJ gt 12 C 2 20 minutes passed after stop TC TC2TCJ P1 10 5 10 Q1 0 C 14 In all cooling operation the air conditioner operates as described below based upon temp detected by TC2 and TCJ sensors When M zone is detected for 45 minutes the thermostat is forcedly off n N zone the timer count is interrupted and held When shifting to M zone again the timer count restarts and continues f L zone is detected the timer is cleared and the operation returns to normal operation Reset conditions 1 TC1 12 C and TC2 12 C and TCJ 12 C 2 20 minutes passed after stop P2 Tenor Q2 P2 5 Q2 2 0 FI LE NO SVM 13011 Remarks TC1 Temperature of indoor heat value When the turned on exchanger sensor power supply is the Forced thermo becomes OFF if the temperature is less than this indicated temperature Recovery control for cooling oil Refrigerant The indoor unit which is under STOP Thermo OFF status or which operates in FAN mode performs the following controls when it received the cooling oil Refrigerant recovery signal from the outdoor unit 1 Opens PMV of the indoor unit
118. o 2 Confirmation of error history When a trouble occurred on the air conditioner the error history can be confirmed with the following procedure Up to 4 error histories are stored in memory This history can be confirmed from either operating or stop 1 Push and 1 putong in succession for 4 seconds or more 2 dud ics A goes on and Item code 01 goes on 3 When selecting flash the group number if there is the alarm history the UNIT number and the latest alarm history are displayed alternately n this time the temperature cannot be set up 4 To confirm the alarm history other than the latest one push temp set 4 _ 10 select Item code 01 to 04 GROUP 5 To confirm the alarm in the other group push zone J gt Jto select the group number Do not push button because all the alarm histories of the currently selected group are deleted 6 To finish the service check push A button Unit No display Alarm display UNIT No A Jg im J Alternate flashing display 1 RC No 265 FILE NO SVM 13011 Indoor unit display part Receiving unit Wireless type When specifying the check code check 7 segment display on the center unit For the check code which is not displayed on the outdoor 7 segment confirm it in Section 8 2 How to Check Check code display list Indoor unit Lamp indication Operation Timer No indic
119. o open short sensor connector and wiring F10 _ B unit circuit Check resistance characteristics of TA sensor Check for defect in indoor P C board Indoor Indoor TF Stop of Sensor resistance is infinity Check connection of TF unit sensor error corresponding orzero open short sensor connector and wiring F11 m unit circuit Check resistance characteristics of TF sensor Check for defect in indoor P C board VF TS1 sensor All stop Sensorresistance is infinity Check connection of TS1 error or zero open short sensor connector circuit Check resistance F12 F12 characteristics of TS1 sensor Check for defect in outdoor P C board I F 01 Compressor 1 IPDU TH sensor All stop Sensor resistance is infinity Defect in IGBT built in side error or zero open short temperature sensor F13 02 Compressor 2 circuit Replace A3 IPDU P C side board 03 Compressor 3 side VF Outdoor All stop During compressor Check installation of TE1 and temperature operation in HEAT mode TL sensors sensor wiring TE1 continuously provides Check resistance F15 F15 error temperature reading characteristics of TE1 and TL TL higher than indicated by TL sensors by at least specified margin Check for outdoor P C board for 3 minutes or more I F error VF Outdoor All stop Readings of high pressure Check connection of high pressure Pd sensor and lowpressure pressure Pd sensor connector sensor wiring Ps sensor are Chec
120. ock FILE NO SVM 13011 Typical fault site Description of error or main remote i i Sub code controller Flash display LOB 108 sw SIM Indoor group address not Address setting has not been performed for one or set more indoor units also detected at indoor end _ Outdoor unit capacity has not been set after L10 L10 SIM Outdoor capacity not set board replacement L17 Outdoor model Old model outdoor unit prior to 3 series has been EM compatibility error connected FS Flow Selector unit Cooling heating cycle error resulting from piping L18 L18 SM error error is detected Too many outdoor units More than four outdoor units have been L28 L28 SM connected connected SMMS Series 1 01 A3 IPDU1 error 02 A3 IPDU2 error 03 A3 IPDU1 A3 IPDU2 error 04 Fan IPDU error 05 A3 IPDU1 Fan IPDU error 06 A3 IPDU2 Fan IPDU error 07 All IPDU error SMMS i Series 4 There are insufficient number of IPDUs L29 A3 IPDU Fan A3 IPDU Fan L29 SIM Error in number of IPDUs 11218 112 iPDU O boards in inverter box 0 JO 02 0 0B O O 03 0 0 oc 04 oD O O 05 O O 0 00 06 07 0 0 0 Circle O 08 Faulty IPDU 0910 Indoor unit has been shu
121. of indoor unit id nner side Panel fixing bracket Sliding direction Outer side FILE NO SVM 13011 Part name Procedure Remarks Control P C board 1 Detachment 1 Carry out work of item 1 of 2 2 Remove connectors which are connected from the control P C board to the other parts and then remove wiring from the clamp CN510 Louver motor 20 White CN34 Float switch Red CN504 Drain pump 2 White CN100 TC1 sensor Brown CN101 TC2 sensor 2 Black CN102 TCJ sensor 2P Red CN104 Room temp Sensor 2P Yellow CN333 Fan motor power supply White CN334 Fan motor position detection 3P White CN82 PMV 6P Blue NOTE Unlock the lock of the housing part and then remove the connector 3 Unlock the locks of the card edge spacer 6 positions and then remove the control P C board 2 Attachment 1 Fix the control P C board to the card edge spacer 6 positions 2 Connect the connector removed in item 1 as before and then fix the wiring with the clamp 3 Following to work of item 2 of 2 mount the electric parts box cover and the suction grille as before CAUTION When exchanging P C board mount the ferrite core attached to the existing earth lead to the earth lead of the new P C board Part name Drain cap Procedure 1 Detachment 1 Carry out work of item 1 of 1
122. ompressor 3 Current detection circuit error Abnormal current is detected while inverter compressor is turned off Compressor 1 Compressor 2 Compressor 3 SW Activation of high pressure High pressure SW is activated Heat sink overheating error Temperature sensor built into IGBT TH detects overheating High pressure protection activation High pressure Pd sensor detected a value over the criteria SMMS Series 1 04 Rotation difference error 08 Out of step OA Idc activation OC Fan lock Od Lock OE Sync error OF Control error SMMS i Series 4 IGBT circuit Motor lockup error Motor current detection TH sensor error TH sensor error Inverter DC voltage error outdoor fan at locations indicated by please ignore them 06 Maximum rotation exceeded Position detection circuit error Note Although letters 0 to F appear Outdoor fan IPDU error Outdoor fan IPDU detects error 01 Compressor 1 02 Compressor 2 03 Compressor 3 Activation of G Tr IGBT short circuit protection Short circuit protection for compressor motor driver circuit components is activated momentary overcurrent 01 Compressor 1 02 Compressor 2 03 Compressor 3 Compressor position detection circuit error Compressor motor position detection error is detected Note The above check codes are examples only and differe
123. on of tie cables between outdoor units for bad contact or broken wire Check communication connectors on outdoor P C boards Check for defect in outdoor P C board I F E28 Detected outdoor unit No E28 VF Outdoor follower unit error All stop Outdoor header unit receives error code from outdoor follower unit Check check code displayed on outdoor follower unit lt Convenient functions gt If SW04 is pressed and held for at least 1 second while E28 is displayed on the 7 segmentdisplay of outdoor header unit the fan of the outdoor unit that has been shut down due to an error comes on If SW04 SWO5 pressed simultaneously the fans of normal outdoor units come on To stop the fan or fans press SWO05 on its own FILE NO SVM 13011 Check code Location Main Outdoor 7 segment display of Description System status E Check items locations remote controller Sub code detection SMMS Series 1 VF IPDU All stop Communication is disrupted Check wiring and connectors 01 A3 IPDU1 error communication between IPDUs involved in communication 02 A3 IPDU2 error error boards in inverter box between IPDU I F P C board 03 A3 IPDU1 A3 for bad contact or broken wire IPDU2 error Check for defect in outdoor 04 Fan IPDU error P C board
124. ontrol line wirings together For each refrigerant line connect the relay connector between Master unit U1U2 and U3U4 terminals After then set the central control address For setting of the central control address refer to the Installation manual for the central control equipment 46 FILE SVM 13011 B Confirmation of indoor unit No position 1 To know the indoor unit addresses though position of the indoor unit is recognized n case of individual operation Wired remote controller indoor unit 1 1 Follow to the procedure during operation Procedure 1 Push conor button if the unit stops UNIT LOUVER 2 Push 4 S left side button button Unit No 1 1 is displayed on LCD It disappears after several seconds The displayed unit No indicate line address and indoor unit address When other indoor units are connected to the identical remote controller Group control unit other unit numbers are also displayed every pushing left side button button 2 1 Operation SAVE VENT FILTER RESET TEST SWING FIX LOUVER Operation gt 1 2 END 2 To know the position of indoor unit by address To confirm the unit No in the group control Follow to the procedure during operation in this procedure the indoor units in group control stop Procedure The indoor unit numbers in the group con
125. oor unit U2 outdoor unit U3 outdoor unit U4 outdoor unit 5 Only CODE No 5 of U1 outdoor unit Header unit is displayed 1x 2 6 7 4 Header unit follower unit 1 follower unit 2 follower unit 3 E FILE NO SVM 13011 CODE No Data Format Remote controller display example Individual Rotation of compressor 1 x10 data 2 of Rotation of compressor 2 x10 0642 64 2 rps 2 unit Rotation of compressor 3 x10 Outdoor fan mode x1 0058 Mode 58 Heat sink temperature of compressor IPDU1 Heat sink temperature of compressor 1 IPDU2 x 0024 24 Heat sink temperature of compressor IPDU3 Heat sink temperature of outdoor fan IPDU x1 In heat cool collecting control 5 0 Normal 0010 In heat collecting control 1 In collecting control 0001 In cool collecting control Pressure release 5 0010 In pressure release control Discharge temperature release 5 0001 In discharge temperature release control Terminal unit release 0 Normal 0100 In U2 outdoor unit release 02 U3 U4 outdoor unit 5 1 In release control control 0010 In U3 outdoor unit release control 0001 In U4 outdoor unit release control x1 x1 Horse power of outdoor unit 0016 16HP 1 The sensors are equipped only with some types of indoor units The data does not appear for other typ
126. operation Outdoor fan does not rotate Is not low cooling operation being controlled fan speed changes s not a defrost operation being performed Indoor fan does not stop s not after heat elimination operation being controlled after heating operation Start stop operation on remote Is not auxiliary unit or remote control being operated controller is unavailable s connecting wire of indoor unit or remote controller correct 2 Troubleshooting procedure When a trouble occurred advance the check operation in the following procedure E28 error Check the check display on the interface P C board Check the check display of the corresponding follower unit Check position Trouble on the interface P C board or part in which of the header unit Other enor a trouble occurred NOTE While a check operation is performed a malfunction of the microprocessor may be caused due to condition of the power supply or the external noise If there is any noise source change wires of the remote controller and signal wires to shield wires 57 FILE NO SVM 13011 2018 se YONS sjuejuoo 10 19 eq Aejdsip epoo xoeuo yun jo 801 20 1 0 1 03 Aq pe1e1edo 10uueo
127. or in indoor unit Room temp sensor TA error Discharge temp sensor TD1 error Discharge temp sensor TD2 error Heat exchanger sensor TE1 error Liquid temp sensor TL error Outdoor unit temp sensor error Outside temp sensor TO error Suction temp sensor TS1 error Heat sink sensor TH error Misconnection of heat exchanger sensor TE with liquid temp sensor TL Miswiring of temp sensor in outdoor unit or miss mounting Miswiring between high pressure sensor Pd and low pressure sensor Ps Misconnection of pressure sensor in outdoor unit Low pressure sensor Ps error Pressure sensor error in outdoor unit High pressure sensor Pd error Indoor unit EEPROM error Compressor break down Compressor lock Outdoor unit compressor system error Current detection circuit error Compressor 1 case thermo operation Low pressure Ps drop error Protections stop of outdoor unit Oil face drop detection error Oil face detection circuit system temp sensor TK1 TK2 TK3 TK4 error Compressor 2 chase thermo operation Protective device of outdoor unit operated Oil face detection circuit system error Outdoor unit TK1 TK2 TK3 TK4 circuit system error Duplicated header units in indoor unit Duplicated priority indoor unit Displayed in the room with priority Duplicated priority indoor unit Displayed in a room except one with priority Group cable
128. outdoor units decrease of No of connected outdoor units Follower unit error IPDU communication error Indoor fan error Indoor overflow error Indoor fan error Outdoor unit liquid back detection error Outdoor unit discharge temp TD1 error Outdoor unit high pressure switch operation Outdoor unit open phase error was detected negative phase error was detected Outdoor unit heat sink overheat error Heat radiation error of electric part IGBT in outdoor unit Gas leak was detected Short of refrigerant charge amount Outdoor unit discharge temp TD2 error Outdoor unit 4 way valve inverse error High pressure protection error Outdoor unit DC fan error Outdoor unit G Tr short circuit error Compressor position detection circuit error Other indoor unit stopped due to error in the group BO Lamp indication Operation wil Timer XX Alternate flash Timer 1 Operation Alternate flash Operation Timer Operation o Flash Operation Timer Q Simultaneous flash Operation Timer Xt Ready Simultaneous flash Timer Xt Operation Ready Simultaneous flash Check code FILE NO SVM 13011 Cause of trouble occurrence Heat exchanger sensor TCJ error Heat exchanger sensor TC2 error n ieatexchangeresnadk TOT enue Temp sensor err
129. owever when the air volume is exchanged the air speed changes When cooling operation has started select a down ward slope for the air speed that is the high position If the temperature is just on the difference boundary the air speed does not change HEAT 0 5 1 0 0 Tsh 0 5 1 0 1 0 2 0 1 5 3 0 2 0 4 0 lt gt Indicate automatic heating Body thermostat works Remote controller thermostat works Value in the parentheses indicates one when thermostat of the remote controller works Value without parentheses indicates one when thermo stat of the body works f the air speed has been changed once it is not changed for 1 minute However when the air speed exchanged the air speed changes When heating operation has started select an upward slope for the air speed that is the high position f the temperature is just on the difference boundary the air speed does not change 24 FILE NO SVM 13011 Remarks gt gt gt gt gt Code No 32 0000 thermo Main unit 0001 Remote controller thermo Air speed selection Continued Outline of specifications CODE No 59 Standard Type 1 FILE NO SVM 13011 Remarks Selection of high ceiling type CODE 5d or selection of high ceiling on PC board SW501 Type 3 0000 0001 0003 SW501 1 2 OFF OFF ON OFF
130. per pipe and joints are mainly used It is necessary to select the most appropriate pipes to conform to the standard Use clean material in which impurities adhere inside of pipe or joint to a minimum 1 Copper pipe Piping The pipe thickness flare finishing size flare nut and others differ according to a refrigerant type When using a long copper pipe for R410A it is recommended to select Copper or copper base pipe without seam and one with bonded oil amount 40mg 10m or less Also do not use crushed deformed discolored especially inside pipes Impurities cause clogging of expansion valves and capillary tubes Flare nut Use the flare nuts which are attached to the air conditioner unit 2 Joint The flare joint and socket joint are used for joints of the copper pipe The joints are rarely used for installation of the air conditioner However clear impurities when using them uda 4 Tools 1 Required Tools for R410A Mixing of different types of oil may cause a trouble such as generation of sludge clogging of capillary etc Accordingly the tools to be used are classified into the following three types 1 Tools exclusive for R410A Those which cannot be used for conventional refrigerant R22 2 Tools exclusive for R410A but can be also used for conventional refrigerant R22 3 Tools commonly used for R410A and for conventional refrigerant R22 The table below shows the tools exclusive fo
131. peration is performed heating thermo is off or self cleaning is performed the louver is automatically set to horizontal discharge position The louver which air direction is individually set or the locked louver closes fully when the unit stops and the louver is automatically set to horizontal discharge position when PRE HEAT Heating ready is displayed heating thermo is off Individual air direction setup Pushing e Louver select button enables every discharge port to set up the air direction The louver numbers that are displayed on the display part correspond to those in the following figure In case of no input key operation for approx 5 seconds during setting of individual air direction during displaying of louver No on the remote controller screen the remote controller screen returns to the normal display screen For the air direction illustration during normal operation the air direction of the least No among the louvers which are block set is displayed While individual air direction is being set the remote controller operation Illustration of air direction and operation of the real machine are linked When selecting a case 9 Louver select button is not pushed or louver No is not displayed the air directions of all the louvers are ollectively set up m FILE NO SVM 13011 Remarks The louver position at horizontal discharge position at under differs from that at
132. peration starts Wiring example Relay procured locally CN73 Note Determine the cable length between the indoor or outdoor control P C board and the relay within 2m 2P plug RED Relay coil signal Indoor control P C board 45 FILE NO SVM 13011 Address setup Manual setting from remote controller In case that addresses of the indoor units will be determined prior to piping work after cabling work Example of 2 lines cabling Real line Cabling Broken line Refrigerant pipe Set an indoor unit per a remote controller 7 2 pas SET CL TEST e Turn on power supply Push 5 buttons simultaneously for 4 seconds or more Pace nem 1 2 2 3 1 2 2 2 2 2 Follower uni 2 Line address Using the temperature setup Cv C45 buttons set c to the CODE No 3 Indoor unit address 1 Using timer time buttons Group address 1 set the line address SET 4 Push gt button OK when display goes Heade nf 5 Indoor unit address For the above example perform setting by connecting singly the Using the temperature setup C45 wired remote controller without remote controller inter unit cable buttons set 7 to the CODE No Group address Individual 0000 We RES Header unit 0001 Using timer time buttons unit 0001 In case of group control set 1
133. ping out of indoor unit pedi reduction in number of indoor units Indoor outdoor Signal cannot be transmitted to indoor units E07 E04 eoe communication circuit gt indoor units left without communication from error outdoor unit E08 Duplicated indoor address E08 e Duplicated indoor address 2 d Indoor automatic address setting is started while 01 Indoor outdoor communication automatic address setting for equipment in other 4 _ Automatic address starting refrigerant line is in progress E12 02 m E12 o e error Outdoor automatic address setting is started Communication while automatic address setting for indoor units is in progress Indoor unit not found Te Indoor unit fails to communicate while automatic E15 m E15 e e o aun automatic address address setting for indoor units is in progress Combined capacity of indoor units is too large 00 Overloading Too many indoor units 0 A ENG 01 Number of units connected EIS e e o connected overloading capacity teo E19 00 No header unit E19 e e o Error in number of outdoor There is no or more than one outdoor header unit 02 Two or more header units header units in one refrigerant line 01 Connection of outdoor unit from Connection to other i e E other refrigerant line E refrigerant line found kd dria is detected 20 02 Connection of indoor unit from 20 e e o during automatic address
134. pressor 2 case thermo activation Compressor 2 case thermo was activated for protection Outdoor discharge temperature sensor TD2 wiring error Wiring installation error or detachment of outdoor discharge temperature sensor TD2 has been detected TK1 oil circuit error TK2 oil circuit error oil circuit error TK4 oil circuit error TK5 oil circuit error Oil level detection circuit error No temperature change is detected by temperature sensor for oil level detection TK1 5 despite compressor having been started Outdoor discharge temperature sensor TD3 wiring error Wiring installation error or detachment of outdoor discharge temperature sensor has been detected Duplicated outdoor refrigerant line address Identical refrigerant line address has been assigned to outdoor units belonging to different refrigerant piping systems Number of priority indoor units 106 check code 105 1 06 depending on individual unit Duplicated priority indoor unit as displayed on priority indoor unit More than one indoor unit has been set up as priority indoor unit 61 Duplicated priority indoor unit as displayed on indoor unit other than priority indoor unit More than one indoor unit has been set up as priority indoor unit Check code Display of receiving unit Outdoor 7 segment display TCC LINK central control Indicator light bl
135. r MG CTT H03 01 Compressor 1 side 02 Compressor 2 side 03 Compressor 3 side H03 IPDU Current detection circuit error All stop Current flow of at least specified magnitude is detected despite inverter compressor having been shut turned off Check current detection circuit wiring Check defect in outdoor P C board A3 IPDU H05 H05 VF TD1 sensor miswiring incomplete insertion All stop Discharge temperature of compressor 1 TD1 does not increase despite compressor being in operation Check installation of TD1 sensor Check connection of TD1 sensor connector and wiring Check resistance characteristics of TD1 sensor Check for defect in outdoor P C board I F H06 VF Activation of low pressure protection All stop Low pressure Ps sensor detects operating pressure lower than 0 02 MPa Check service valves to confirm full opening both gas and liquid sides Check outdoor PMVs for clogging PMV1 2 Check for defect in SV2 or SV4 circuits Check for defect in low pressure Ps sensor Check indoor filter for clogging Check valve opening status of indoor PMV Check refrigerant piping for clogging Check operation of outdoor fan during heating Check for insufficiency in refrigerant quantity 1 Total shutdown in case of header unit Continued operation in case of follower unit ee MG CTT
136. r R410A and their interchangeability Tools exclusive for R410A The following tools for R410A are required Tools whose specifications are changed for R410A and their interchangeability Used tool Flare tool Pipe flaring air conditioner installation FILE NO SVM 13011 R410A Conventional air conditioner installation Existence of new equipment for R410A Whether conventional equipment can be used Whether new equipment can be used with conventional refrigerant Note 1 Copper pipe gauge for adjusting projection margin Flaring by conventional flare tool Note 1 Torque wrench Connection of flare nut No Gauge manifold Charge hose Evacuating refrigerant charge run check etc No Vacuum pump adapter Vacuum evacuating No Electronic balance for refrigerant charging Refrigerant charge Refrigerant cylinder Refrigerant charge Leakage detector Gas leakage check Note 1 Charging cylinder Refrigerant charge When flaring is carried out for R410A using the conventional flare tools adjustment of projection margin is necessary For this adjustment a copper pipe gauge etc are necessary Note 2 Charging cylinder for R410A is being currently developed General tools Conventional tools can be used In addition to the above exclusive tools the following equipments which serve also
137. r Temperature TO Low pressure saturation temperature TU Current of compressor 1 Current of compressor 2 I2 PMV1 2 PMV3 0024 24 0135 13 5 A 0050 500 pls 0050 500 pls Compressor 1 2 ON OFF Outdoor fan mode 0031 Mode 31 Horse power of outdoor unit 0016 16 1 In the case of group connection only the header indoor unit data can be displayed 2 01 Only compressor 1 is on 10 Only compressor 2 is on 11 Both compressor 1 and 2 are on 3 The upper digit of CODE No indicates the outdoor unit No U1 outdoor unit Header unit U2 outdoor unit follower unit 1 U3 outdoor unit follower unit 2 U4 outdoor unit follower unit 3 Target outdoor unit SMMS i Series 4 CODE No Data FILE NO SVM 13011 Remote controller display example Indoor unit data 2 00 Room temperature in control 01 Room temperature Remote controller 02 Air Temperature TA 03 Coil Temperature 04 Coil Temperature TC2 05 Coil Temperature TC1 06 Discharge temperature TF 1 0024 24 08 0150 1500 pls 09 Air Suction Temperature of direct expansion coil TSA 1 0024 24 FA Outdoor Air Temperature TOA 1 System unit data 0A Number of connected indoor units 0048 48 0B Total horse power of co
138. r en L 3 1 259 254 255 sem 7256 19 HOLDER senson 2 2 o le Toe 257 sexos 1 1 1 255 usen wer Pw O 2 0 ae O 3 3 1 3 252 isses nuss o 31 1 259 5mam 3 3 1 3 1 2e amer 5 5 5 eye Co A A a i FILE NO SVM 13011 11 4 MMU AP0274HP TR 04 APO364HP TR 484 564 nis E J yA N Me Ly MMU APO0364HP TR AP0564HP TR MMU AP0274HP TR AP0304HP TR dis FILE NO SVM 13011 EHE _ 2 a TR Ooo 202 27205 206 208 21 _ REFRIGERATION CYcleASSY 3 3 212 43744500 REFRIGERATION J o 7 7 214 ave
139. r in a location that may be subject to a risk of expire to a combustible gas If a combustible gas leaks and becomes concentrated around the unit a fire may occur Install the indoor unit at least 2 5 m above the floor level since otherwise the users may injure themselves or receive electric shocks if they poke their fingers or other objects into the indoor unit Installation While the air conditioner is running Install a circuit breaker that meets the specifications in the installation manual and the stipulations in the local regulations and laws Install the circuit breaker where it can be easily accessed by the qualified service person 1 If you install the unit in a small room take appropriate measures to prevent the refrigerant from exceeding the limit concentration even if it leaks Consult the dealer from whom you purchased the air conditioner when you implement the measures Accumulation of highly concentrated refrigerant may cause an oxygen deficiency accident Do not place any combustion appliance in a place where it is directly exposed to the wind of air conditioner otherwise it may cause imperfect combustion Explanations given to user If you have discovered that the fan grille is damaged do not approach the outdoor unit but set the circuit breaker to the OFF position and contact a qualified service person to have the repairs done Do not set the circuit breaker to the ON position until the repairs
140. remote controller is forbidden 1 Control items 1 Outside contact ON The start stop operation from the remote controller is allowed Status that card is inserted in the card switch box 2 Outside contact OFF If the indoor unit is operating it is stopped forcedly Start Stop prohibited to remote controller Status that card is taken out from the card switch box When the card switch box does not perform the above contact operation convert it using a relay with b contact 2 Operation Handle the wired remote controller switch in the following procedure Use the wired remote controller switch during stop of the system Push concurrently buttons for 4 seconds or more Using the setup temp button specify the CODE No Using the timer time or button set 777 to the setup data SET Push button TEST Push 5 button The status returns to the usual stop status 3 Wiring Relay procured locally In the figure the contact indicates a status that the card is taken out ou A o m 5 Indoor control P C board Power supply Outside contact Card switch box etc Procured locally Note Determine the cable length between the indoor control P C board and the relay within 2m Power peak cut from indoor unit When the relay is turned on a forced thermostat OFF o
141. rm a trial run to check that the air conditioner is running properly After repair work has finished check there is no trouble If check is not executed a fire electric shock or injury may be caused For a check turn off the power breaker After repair work installation of front panel and cabinet has finished execute a test run to check there is no generation of smoke or abnormal sound If check is not executed a fire or an electric shock is caused Before test run install the front panel and cabinet Be sure to fix the screws back which have been removed for installation or other purposes 9 Do not operate the unit with the valve closed Check the following matters before a test run after repairing piping e Connect the pipes surely and there is no leak of refrigerant e The valve is opened Running the compressor under condition that the valve closes causes an abnormal high pressure resulted in damage of the parts of the compressor and etc and moreover if there is leak of refrigerant at connecting section of pipes the air is sucked and causes further abnormal high pressure resulted in burst or injury Check after reinstallation Only a qualified installer 1 or qualified service person 1 is allowed to relocate the air conditioner It is dangerous for the air conditioner to be relocated by an unqualified individual since a fire electric shocks injury water leakage noise and or vibration may result
142. rts When any of the electrical parts are to be replaced ensure that the replacement parts satisfy the specifications given in the Service Manual or use the parts contained on the parts list in the Service Manual Use of any parts which do not satisfy the required specifications may give rise to electric shocks smoking and or a fire Do not bring a child close to the equipment If in the course of carrying out repairs it becomes absolutely necessary to check out the electrical parts with the electrical parts box cover of one or more of the indoor units and the service panel of the outdoor unit removed in order to find out exactly where the trouble lies put a sign in place so that no one will approach the work location before proceeding with the work Third party individuals may enter the work site and receive electric shocks if this warning is not heeded Insulating measures Connect the cut off lead wires with crimp contact etc put the closed end side upward and then apply a watercut method otherwise a leak or production of fire is caused at the users side When performing repairs using a gas burner replace the refrigerant with nitrogen gas because the oil that coats the pipes may otherwise burn When repairing the refrigerating cycle take the following measures 1 Be attentive to fire around the cycle When using a gas stove etc be sure to put out fire before work otherwise the oil mixed with refrigerant g
143. s displayed in check code window Indoor unit address with error is displayed in UNIT No CODE No Every pushing temp set Cv buttons the error histories stored in the memory are displayed order The numbers in CODE No indicates CODE No 01 Latest to 04 Oldest CAUTION Do not push e button because all the error histories of the indoor unit will be deleted After confirmation push e button to return to the usual display How to read the check monitor display lt 7 segment display g9 Mite How to read 0 12 3 4 5 6 7 8 9 A b J L P FILE NO SVM 13011 B n case of central remote controller TCB SC642TLE2 F D ag ess LILIE e SE amp C C 1 Confirmation and check When a trouble occurred on the air conditioner the check code and the indoor unit No are displayed on the display section of the remote controller The check code is displayed while the air conditioner operates If the display disappeared operate the air conditioner and check the error based upon the following Confirmation of error history Unit No display Alarm display UNIT No I 0 s 2 2 Alternate flashing display F7 sl RC N
144. s for the temperature setting This is the setting for the filter sign lighting time At this time be sure to write down the setting data displayed 2 Change the CODE No DN by pushing buttons for the temperature setting Similarly be sure to write down the setting data displayed 3 Repeat the step 2 2 to set the other settings in the same way and write down the setting data as shown in the table 1 example on page 104 The CODE DN are ranged from Z to FF The CODE DN may skip Step 3 After writing down all setting data push e button to return to the normal stop status It takes approx 1 min until the remote controller operation is available again CODE No required at least Contents 1 The CODE No for the Indoor unit type and Indoor unit capacity Type are required to set the rotation number setting of the fan Indoor unit capacity 2 If the system indoor group addresses are different from those System address before replacement the auto address setting mode starts and the Indoor unit address manual resetting may be required again When the multiple units group operation including twin system Group address 2 P C Board for indoor unit servicing replacement procedures Step 1 Replace the P C board for indoor unit servicing At this time perform the same setting of the jumper wire 401 setting cut switch SW501 short circuit connector CN34 as the setting of
145. sensor Lead wire length 310 mm Vinyl tube TC1 sensor 4 size lead wire length 1000 mm Vinyl tube Blue TC2 sensor 6 size lead wire length 1000 mm Vinyl tube Black TCJ sensor 06 size lead wire length 1000 mm Vinyl tube Red Float switch FS 0218 102 Drain pump motor Fan motor MDP 1401 ICF 280 150 1 Motor for horizontal grille MSBPC20F04 Pulse motor EFM MD12TF 1 Pulse motor valve EDM B60YGTF 1 TA sensor Lead wire length 310 mm Vinyl tube TC1 sensor 4 size lead wire length 1000 mm Vinyl tube Blue TC2 sensor 6 size lead wire length 1000 mm Vinyl tube Black TCJ sensor 6 size lead wire length 1000 mm Vinyl tube Red Float switch FS 0218 102 Drain pump motor MDP 1401 20 FILE NO SVM 13011 4 REFRIGERATING CYCLE DIAGRAM Liquid side Gas side Capillary tube Air heat exchanger i i at indoor side 29 Pulse Motor lt Valve PMV Sensor i Sensor TCJ Fan Sensor TC1 Sensor TA Fan motor i Functional part name Functional outline Pulse Motor Valve Connector 082 6P Blue 1 Controls super heat in cooling operation 2 Controls under cool in heating operation 3 Recovers refrigerant oil in cooling operation 4 Recovers refrigerant oil in heating operation Temp sensor Connector CN104 2P Yellow 1 Detects indoor suc
146. signal for specified Is power turned on received length of time Check connection of normally indoor outdoor communication cable Check connection of communication connectors E06 E06 on indoor P C board Check connection of communication connectors on outdoor P C board Check for defect in indoor P C board Check for defect in outdoor P C board I F VF Indoor outdoor All stop Signal cannot be transmitted Check outdoor termination communication from outdoor to indoor units resistance setting SW30 circuit error for 30 seconds continuously 812 E07 detected at Check connection of outdoor end indoor outdoor communication circuit 69 FILE NO SVM 13011 Check code Location Outdoor 7 segment display of Description System status Error detection Check items locations remote condition s controller Sub code detection Duplicated Indoor Duplicated All stop More than one indoor unit is Check indoor addresses indoor address unit indoor address assigned same address Check for any change VF made to remote controller E08 E08 connection group individual since indoor address setting Remote Duplicated Stop of In two remote controller Check remote controller controller master remote corresponding configuration including settings controller unit wireless both controllers are Check remote controller E09 set up as master Header P C boards
147. t SW or fan motor is abnormal 2 Restricted to the normal time if short circuiting DISP pin CN72 on the indoor P C board in addition to short circuit of CHK pin 71 on the indoor board the minimum opening degree 30pls can be set to the indoor PMV only When open DISP pin the maximum opening degree 1500pls can be obtained again How to clear Open CHK pin While the system is operating it stops once but automatically returns to operation after several minutes Fan motor Short circuit of CHK pin Normal time DISP pin open H DISP pin short circuit H Abnormal time Stop Indoor PMV Max opening degree 1500pls Min opening degree 30pls Min opening degree 30pls Louver Horizontal Horizontal Immediate stop Drain pump ON ON ON Communication All ignored All ignored All ignored board LED To exchange the indoor PMV coil set the indoor PMV to Max opening degree Lights Lights Flashes For the detailed positions of CHK pin CN71 on indoor P C board and DISP CN72 on indoor board refer to the indoor P C board MCC 1570 m 0 FILE NO SVM 13011 6 4 Optional Connector Specifications of Indoor P C Board Function Connector No Specifications Remarks Fan output Option output Outside error input ON OFF input Shipment setup ON with indoor unit opera
148. t down for external error Indoor external error input 130 Detected indoor unit No L30 ISM interlock rror npu input in one refrigerant line detected by indoor unit _ Outdoor discharge TD1 Outdoor discharge temperature sensor TD1 has temperature error detected abnormally high temperature P0301 Compressor 1 High pressure SW 02 Compressor 2 P04 T activation High pressure SW was activated 03 Compressor 3 00 Open phase detected Open phase power failure Open phase is detected when power is turned on 01 Compressor 1 P05 Ar Inverter DC voltage Vdc inverter DC voltage is too high overvoltage or too 02 Compressor 2 error low undervoltage 03 Compressor 3 MG CTT error 01 Compressor 1 Heat sink overheating Temperature sensor built into IGBT TH detects P07 02 Compressor 2 P07 IAT oor overheating 03 Compressor 3 Indoor unit has been shutdown in one refrigerant P10 Indoor unit No detected P10 Indoor unit overflow line due to detection of overflow detected by indoor unit _ Outdoor liquid backflow State of refrigerant cycle circuit indicates liquid FS e T detection error backflow operation 01 TS condition Outdoor suction temperature sensor TS1 detects P15 e P15 Gas leak detection sustained and repeated high temperatures that 02 TD condition exceed standard value Outdoor discharge TD2 Ou
149. tarts or TK4 circuit error operating Check the SV3E valve error 03 TK3 oil Check the oil circuit capillary clogging circuit SHOP and non return valve error Check the hibernating refrigerant in pt oil compressor circuit error The temperature Check the sensor installation change of TK3 Check the TK3 sensor resistant cannot be detected characteristics even after Check the misconnection of TK1 TK2 Compressor3stats TKS or TK4 operating Check the SV3E valve error Check the oil circuit capillary clogging and non return valve error Check the hibernating refrigerant in compressor The temperature Check the TK4 sensor installation change of TK4 Check the TK4 sensor resistant cannot be detected characteristics even after Check the misconnection of TK1 TK2 Compressor 4 starts TKS or TK4 operating or the Check the SV3E valve error tem erature Check the oil circuit capillary clogging from that and non return valve error f the other TK Check the hibernating refrigerant in H16 H16 ot the other compressor sensor changes only in the specified range for a given time or longer SMMS i VF Oil level All stop No temperature Check for disconnection of TK1 sensor 4 series detection change is detected Check resistance characteristics of 01 TK1 oil circuit error by TK1 despite 1 sensor circuit error compressor 1 having Check for connection error involving 02 2 oil been started TK1 TK2 TK3 T
150. tch Display LCD EEPROM Schedule timer Display LCD LCD driver Display LED Remote controller communication circuit Power circuit Function setup Key switch Secondary battery interface P C board MCC 1401 Remote controller communication circuit 1 1 model connection Switch setup Indoor control P C board MCC 1570 Driver Outside output Start Alarm Ready Thermostat ON COOL HEAT FAN Remote controller communication circuit fan motor Fan motor control circuit AC synchronous signal input circuit BUS communication circuit Max 8 units are connectable 1 Wireless remote controller kit Receiving P C board Remote controller Receiving circuit tion circuit Emergent operation SW Function setup SW Display LED 3 Follower Power Power supply supply E 4 22 Outdoor Outdoor unit unit Power supply 10220 240 50Hz 10220 60Hz U1 U2 Indoor Outdoor communication U2 Outdoor unit 1 However in a case that the 1 1 model connection interface is installed when 2 wireless remote controller kits are connected maximum 7 units are connectable 2 The 1 1 model connection interface is installed to only 3 The schedule timer cannot be connected to the simple wired remote controller m A te
151. tdoor discharge temperature sensor TD2 P17 P17 ur temperature error detects abnormally high temperature _ Outdoor discharge Outdoor discharge temperature sensor FIR nis O temperature error detects abnormally high temperature 4 valve reversing Abnormality in refrigerating cycle is detected P19 Outdoor unit No detected P19 Miss during heating operation P20 _ P20 T Activation of high pressure High pressure Pd sensor detects high pressure protection that exceeds standard value Bo MG CTT Magnet contactor Errors detected by IPDU featuring in SMMS standard outdoor unit typical examples Check code Display of receiving unit Outdoor 7 segment display Sub code TCC LINK central control controller display or main remote Mic Pa Ready Indicator light block Typical fault site Flash FILE NO SVM 13011 Description of error Compressor 1 Compressor 2 Compressor 3 F13 Error in temperature sensor built into indoor IGBT TH Temperature sensor built into indoor IGBT TH has been open short circuited Compressor 1 Compressor 2 Compressor 3 Compressor breakdown Inverter current Idc detection circuit detects overcurrent Compressor 1 Compressor 2 Compressor 3 Compressor error lockup Compressor lockup is detected Compressor 1 Compressor 2 C
152. the air conditioner by following its instructions Only qualified service person 1 is allowed to repair the air conditioner Repair of the air conditioner by unqualified person may give rise to a fire electric shocks injury water leaks and or other problems Do not use any refrigerant different from the one specified for complement or replacement Otherwise abnormally high pressure may be generated in the refrigeration cycle which may result in a failure or explosion of the product or an injury to your body Only a qualified installer 1 or qualified service person 1 is allowed to carry out the electrical work of the air conditioner Under no circumstances must this work be done by an unqualified individual since failure to carry out the work properly may result in electric shocks and or electrical leaks When the air conditioner is to be transported installed maintained repaired or removed wear protective gloves and safety work clothing To connect the electrical wires repair the electrical parts or undertake other electrical jobs wear gloves to provide protection for electricians insulating shoes and clothing to provide protection from electric shocks Failure to wear this protective gear may result in electric shocks Electrical wiring work shall be conducted according to law and regulation in the community and installation manual Failure to do so may result in electrocution or short circuit
153. the P C board before replacement Step2 It is necessary to set indoor unit to be exchanged Remote controller 1 1 Based upon the system configuration turn on power of the indoor unit with one of the following items 1 Single Individual operation Turn on power of the indoor units and proceed to 3 2 Group operation A In case that power of the exchanged indoor unit only can be turned on Turn on power of the exchanger indoor unit only and proceed to 3 B In case that power of the indoor units cannot be turned on individually Case 1 a Remove temporarily the group wire connected to the terminal blocks A and B of the exchanged indoor unit b After connecting the remote controller wire only to the removed terminal block turn on power of the indoor units and proceed to 3 When the above methods cannot be used follow to the two cases below C In case that power of the indoor units cannot be turned in individually Case 2 a Remove all CN41 connectors of the indoor units in the same group except those of the ex changed indoor unit b Turn on power of the indoor units and proceed to 3 After 3 operation has finished be sure to return the temporarily removed group wire or CN41 connector to the original connection Indoor unit Case 2 Case 1 Service P C board of Service P C board of Indoor uni the unit to be changed P C board Indoor unit unit to be changed Indoor uni
154. the read out EEPROM data 3 Refer to page 102 4 Power reset for all indoor units connected the remote controller when the group operation control is performed Case 2 The EEPROM before replacement is defective and the setting data cannot be read out Replacement of P C board for indoor unit servicing and power on 2 Refer to page 101 Writing the setting data to EEPROM such as high ceiling installation setting and optional connection setting etc based on the customer information 3 Refer to pace 102 for all indoor units connected to the remote controller when the group operation control is performed 100 FILE NO SVM 13011 1 Setting data read out from EEPROM The setting data modified on the site other than factory set value stored in the EEPROM shall be read out Step 1 Push e buttons on the remote controller simultaneously for more than 4 seconds When the group operation control is performed the unit No displayed for the first time is the header unit No At this time the CODE No DN shows Z Also the fan of the indoor unit selected starts its operation and the swing operation also starts if it has the louvers Step 2 Every time when the button is pushed the indoor unit No under the group control is displayed in order Specify the indoor unit No to be replaced 1 Change the CODE No DN from Z to Z by pushing button
155. then remove it from the clamp 10 Remove the fixing nut and then remove the fan motor 06 nut 3 pcs Attachment 1 Fix the parts as before in order of fan motor motor lead holding bracket turbo fan nut cap gt bell mouth NOTE Fix the motor lead to the clamp without slack as before using bundling band When fixing the turbo fan be sure to match the D cut of the fan boss with D cut of the motor shaft Using a torque wrench fix the turbo fan and tighten it to 5 4 92 Nm Using torque wrench fix the fan motor 5 at positions and tighten it to 4 9 92 Nm FILE NO SVM 13011 Remarks Fixing screw A Electric parts box Clamp Fan motor lead TC sensor TCJ sensor Bell mouth Fixing screw Turbo fan 8 nut with flange Part name Fan motor Continued Procedure 2 Attachment 2 Fix the fan motor lead TC sensor and TCJ sensor with the clamp of the bell mouth 3 Mount the electric parts box with the fixing screws A and B 04 x 10 3 pcs 04 x 8 1 pc 4 Connect the connector removed in item 1 as before and then fix wiring with the clamp 5 Following to work of item 2 of Q mount the electric parts box cover and the suction grille as before CAUTION When exchanging the fan motors of the models MMU AP009 to take off lead wire from the clamp filter which is connected to CN334 of the fan motor to be exch
156. tion and OFF with stop are linked Single operation by FAN button on remote controller is set up from remote controller DN 31 HA ON OFF input J01 YES NO Pulse At shipment Static input select 0 COM Main prohibition input Operation stop of main remote controller is permitted prohibited by input Operation output ON during operation Answerback of HA DC12V COM Alarm output DC12V COM ON during alarm output Defrost output ON when outdoor unit is defrosted Thermo ON output ON during Real thermostat ON Compressor ON COOL output ON when operation mode is cooling system COOL DRY Cool Heat Auto cooling HEAT output ON when operation mode is heating system HEAT Cool Heat Auto cooling Fan output DC12V COM DC12V COM Outside error input ON when indoor fan is ON During use of air cleaner Interlock cabling Generate check code L30 for 1 minute continuously to stop forcedly the operation CHK operation check DISP exhibition mode EXCT demand Check mode input Display mode input OV Demand input OV 39 Used for indoor operation check Outdoor does not communicate with remote controller and outputs specified operation such as indoor fan H drain pump ON etc Exhibition mode enables to communicate by
157. tion temperature Connector CN100 3P Brown 1 Controls PMV super heat in cooling operation Connector CN101 2P Black 1 Controls PMV under cool in heating operation Connector CN102 2P Red 1 Controls PMV super heat in cooling operation ES When power supply is reset 5 CONTROL OUTLINE 5 1 Control Specifications Outline of specifications 1 Distinction of outdoor unit When the power supply is reset the outdoors are distinguished and the control is selected according to the distinguished result Setting of indoor fan speed and existence of air direction adjustment Based on EEPROM data select setting of the indoor fan speed and the existence of air direction adjustment If resetting the power supply during occurrence of a trouble the check code is once cleared After ON OFF button of the remote controller was pushed and the operation was resumed if the abnormal status continues the check code is again displayed on the remote controller FILE NO SVM 13011 Remarks Operation mode selection Based on the operation mode selecting command from the remote controller the operation mode is selected Remote controller command STOP FAN COOL DRY HEAT AUTO SHRM only Control outline Air conditioner stops Fan operation Cooling operation Dry operation Heating operation Ta and Ts automatically select COOL HEAT operation mode for operation
158. tions that contain important information which complies with the Machinery Directive Directive 2006 42 EC and ensure that you understand them Generic Denomination Air Conditioner Definition of Qualified Installer or Qualified Service Person The air conditioner must be installed maintained repaired and removed by a qualified installer or qualified service person When any of these jobs is to be done ask a qualified installer or qualified service person to do them for you A qualified installer or qualified service person is an agent who has the qualifications and knowledge described in the table below Qualifications and knowledge which the agent must have The qualified installer is a person who installs maintains relocates and removes the air conditioners made by Toshiba Carrier Corporation He or she has been trained to install maintain relocate and remove the air conditioners made by Toshiba Carrier Corporation or alternatively he or she has been instructed in such operations by an individual or individuals who have been trained and is thus thoroughly acquainted with the knowledge related to these operations The qualified installer who is allowed to do the electrical work involved in installation relocation and removal has the qualifications pertaining to this electrical work as stipulated by the local laws and regulations and he or she is a person who has been trained in matters relating to electrical work on the air con
159. to the line address SET 7 Push gt button OK when display goes 8 Group address Using the temperature setup Cv C42 buttons set 7 to the CODE No 9 Using timer time buttons set LOOD to Individual 21277 to f Master unit and 2222 to sub unit Push amp button O Pus C button 2 5 8 OK when display goes TIME SAVE VENT co Cx MODE d 6 9 END 77 11 Push 2 button rums 4 7 10 Setup completes The status returns to the usual stop status 1 Operation procedure 1 2 3 4 5 6 7 8 9 710 711 END Note 1 When setting the line address from the remote controller do not use Address 29 and 30 As they are addresses which cannot be set to the outdoor unit if they are set the check code E04 Indoor Outdoor communication circuit error is issued Note 2 When an address was manually set from the remote controller and the central control over the refrigerant lines is carried out perform the following setting for the Master unit of each line e Set line address for every line using SW13 and 14 on the interface P C board of the center unit in each line Except the least line address No turn off SW30 2 on the interface P C board of the Master units in the lines connected to the identical central control Draw the terminal resistances of indoor outdoor and central c
160. trol are successively displayed and fan louver and drain pump of the corresponding indoor unit are turned on Follow to the procedure during operation TEST 1 Push E and 2 buttons simultaneously for 4 seconds or more Unit No ALL is displayed Fans and louvers of all the indoor units in the 1 group control operate DON OFF TIMER SET FAN MODE es GG SAVE VENT SET CL SWING FIX UNIT LOUVER OO FILTER RESET TEST 2 Every pushing left side button button the unit numbers in the group control are successively displayed 3 The unit No displayed at the first time indicates the header unit address Operation procedure Fan and louver of the selected indoor unit only operate 1 gt 2 gt 3 END 3 Push e button to finish the procedure All the indoor units in the group control stop Sa FILE NO SVM 13011 B How to check all the unit No from an arbitrary wired remote controller Procedure Carry out this procedure during stop of system The indoor unit No and the position in the identical refrigerant piping can be checked An outdoor unit is selected the identical refrigerant piping and the indoor unit No are displayed one after the other and then its fan and louver are on 1 TEST Push the timer time button simultaneously for 4 seconds or more First line 1 and CODE No AL Address Change are displ
161. unction selecting CODE No DN Items necessary to perform the applied control at the local site are described 0000 0002 0004 Description 0001 0003 None 2500H 10000H 150H 5000H FILE NO SVM 13011 At shipment 0002 2500H Dirty state of filter 0000 0001 Standard High degree of dirt Half of standard time 0000 Standard Central control address 0001 0099 No 1 unit Unfixed to 0064 No 64 unit 0099 Unfixed Specific indoor unit priority 0000 No priority 0001 Priority 0000 No priority Heating temp shift 0000 0002 No shift 2 C 0001 0010 1 10 Up to 6 recommended 0002 2 Floor type 0000 0 Existence of AUTO mode 0000 0001 Provided Not provided Automatic selection from connected outdoor unit 0001 Not provided Cooling only 0000 0001 Heat pump Cooling only No display of AUTO HEAT 0000 Heat pump Type 0001 4 way Cassette Depending on model type Indoor unit capacity 0000 Unfixed 0001 to 0034 According to capacity type Line address 0001 No 1 unit 0030 No 30 unit 0099 Unfixed Indoor unit address 0001 No 1 unit 0064 No 64 unit 0099 Unfixed Group address 0000 0002 Individual Follower unit of group 0001 Header unit of group 0099 Unfixed
162. unctions at test run B Cooling Heating test run check The test run for cooling heating can be performed from either indoor remote controller or outdoor interface board 1 Start Finish operation of test run Test run from indoor remote controller Wired remote controller Refer to the below item of Test run of the wired remote controller Wireless remote controller Refer to the next page item of Test run of the wireless remote controller In case of wired remote controller lt 2 gt lt 41 gt OOD of 2 SCHEDULE FAN MODE Coro 5 3 PROGRAM DAY TIME SAVE VENT ALTER OO 0644 RESET TEST SWING FIX UNIT LOUVER 1 FLT RESET TEST SET CL SWING FIX UNIT LOUVER 9 Operation contents Push TEST button for 4 seconds or more TEST is displayed at the display part and the mode enters in TEST mode Push ON OFF button Change the mode from COOL to HEAT using MODE button Do not use MODE button for other mode except COOL HEAT modes The temperature cannot be adjusted during test run The error detection is performed as usual After test run push ON OFF button to stop the operation Display on the display part is same to that in Procedure
163. uver fixed position Louver No 3 0000 0005 Release Downward discharge position 0001 Horizontal discharge position Not fixed Louver fixed position Louver No 4 0000 0005 Release Downward discharge position 0001 ees Horizontal discharge position Not fixed FILE NO SVM 13011 Description At shipment High ceiling selection Type 009 12 015 018 0000 Standard Selection of air volume Discharge 4 way 3 way 2 way 4 way 3 way 2 way Standard At shipment 2 7m 2 8m 3 0m 2 8m 3 2m 3 5m High ceiling D 3 2m 3 5m 3 8m High ceiling 3 5m 3 8m Type AP024 to AP036 to Discharge 4 way 3 way 2 way 4 way 3 way Standard 9099 At shipment 3 0m 3 3m 3 6m 3 0m 3 3m 0001 High ceiling 3 3m 3 5 3 8 3 3m 3 5m 0003 High ceiling 3 6m 3 8m 3 6m 3 8m Built in filter 0000 Standard filter At shipment Timer setup 0000 Available Operable 0000 Available Wired remote controller 0001 Unavailable Operation prohibited TYPE CODE No 10 Setup data Abbreviated Model name 1 Initial setting value of EEPROM installed on the service P C board Indoor unit capacity CODE No 11 Setup data Setup data 42 FILE SVM 13011 7 2 Applied Control in Indoor Unit B Remote location ON OFF control box TCB
164. vered in the outdoor unit otherwise a serious accident such as breakage or injury is caused Assembly Wiring FILE NO SVM 13011 After repair work surely assemble the disassembled parts and connect and lead the removed wires as before Perform the work so that the cabinet or panel does not catch the inner wires If incorrect assembly or incorrect wire connection was done a disaster such as a leak or fire is caused at user s side Insulator check After the work has finished be sure to use an insulation tester set 500 V Megger to check the resistance is 1 MQ or more between the charge section and the non charge metal section Earth position If the resistance value is low a disaster such as a leak or electric shock is caused at user s side Ventilation When the refrigerant gas leaks during work execute ventilation If the refrigerant gas touches to a fire poisonous gas generates A case of leakage of the refrigerant and the closed room full with gas is dangerous because a shortage of oxygen occurs Be sure to execute ventilation If refrigerant gas has leaked during the installation work ventilate the room immediately If the leaked refrigerant gas comes in contact with fire noxious gas may generate After installation work check the refrigerant gas does not leak If the refrigerant gas leaks in the room poisonous gas generates when gas touches to fire such as fan heater stove or cocking stove though the
165. was connected to individual indoor unit Indoor group address was unset Indoor capacity was unset Duplicated setting of outdoor line address Outdoor capacity was unset Disagreement error of outdoor unit type COOL HEAT select unit system error Duplicated address of central control system No of connected outdoor units over Defective No of IPDU Indoor unit outside interlock error Outdoor unit EEPROM error B Others Except check code Lamp indication Operation Timer Ready Simultaneous flash Operation Timer Ready X X 1 1 Alternate flash Check code FILE NO SVM 13011 Cause of trouble occurrence During test run COOL HEAT disagreement Automatic cooling heating setup to automatic cooling heating unavailable model heating setup to cooling only model 68 FILE NO SVM 13011 8 4 Check codes displayed on remote controller and SMMS outdoor unit 7 segment display I F board and locations to be checked For other types of outdoor units refer to their own service manuals Check code Main Outdoor 7 segment display e Description System status Error detection Check items locations remote Check condition s controller code Sub code Remote Indoor remote Stop of Communication between Check remote controller controller controller corresponding indoor P C
166. with a constant opening degree 2 Operates the drain pump for approx 1 minute during recovery control and after finish of control 26 Recovery operation is usually performed every 2 hours Recovery control for heating refrigerant Cil Outline of specifications The indoor unit which is under STOP Thermo OFF status or which operates in FAN mode performs the following controls when it received the heating refrigerant Oil recovery signal from the outdoor unit 1 Opens PMV of the indoor unit with a constant opening degree 2 Detects temperature of TC2 and then closes PMV 3 Counts No of recovery controls and operates the indoor fan and the drain pump for approx 1 minute after finish of recovery control until the control count reaches the specified count FILE NO SVM 13011 Remarks The indoor unit which is under thermo OFF COOL status or which operates in FAN mode stops the indoor fan and displays READY Recovery operation is usually performed every 1 hour Compensation control for short intermittent operation For 5 minutes after start of operation the opera tion is forcedly continued even if the unit enters in Thermo OFF condition However the thermostat is OFF giving prior to COOL HEAT selection READY for operation and protective control Drain pump control In cooling operation including DRY operation this control anytime operates the drain pump Duri
167. work The qualified service person who is allowed to work at heights has been trained in matters relating to working at heights with the air conditioners made by Toshiba Carrier Corporation or alternatively he or she has been instructed in such matters by an individual or individuals who have been trained and is thus thoroughly acquainted with the knowledge related to this work Qualified service person FILE NO SVM 13011 Definition of Protective Gear When the air conditioner is to be transported installed maintained repaired or removed wear protective gloves and safety work clothing In addition to such normal protective gear wear the protective gear described below when undertaking the special work detailed in the table below Failure to wear the proper protective gear is dangerous because you will be more susceptible to injury burns electric shocks and other injuries Work undertaken Protective gear worn Protective gloves Safety working clothing Gloves to provide protection for electricians and from heat Electrical related work Insulating shoes Clothing to provide protection from electric shock All types of work Work done at heights B0 cm or more Helmets for use in industry Transportation of heavy objects Shoes with additional protective toe cap Repair of outdoor unit Gloves to provide protection for electricians and from heat The important contents concerned to the safety are
168. y wired remote controller arbitrary wired remote controller It is possible when setting has finished by automatic addresses Contents The indoor unit addresses in each identical refrigerant piping line can be changed from an Enter in address check change mode and then change the address Procedure Carry out this procedure during stop of system 1 TEST Push the timer time button o simultaneously for 4 seconds or more First line 1 and CODE NO AL Change displayed Select line address using SET Push the button The address of the indoor unit connected to the refrigerant piping of the selected outdoor unit is displayed and the fan and the louver are on First the current indoor address is displayed Line address is not displayed TIME G button push up down the indoor address of the SET DATA The set data is changed to a new address SET Push gt button to determine the set data UNIT LOUVER Every pushing left side button button the indoor unit No in the identical piping is displayed one after the other Only fan and louver of the selected indoor unit start operation Repeat the Procedures 4 to to change all the indoor addresses so that they are not duplicated SWING FIX I button UNIT LOUVER SET Push button All the indications of LCD go on TEST Push 2 button and then the procedure finishes 502

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