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1. 2 positions 362 5 105 372 5 For branch duct knockout square hole 0150 2E Mi Knockout for simple OA for 1100 nm SI 2 e i Bottom face of ceiling y T Bottom face of ceiling D 5 N Z view A yr N Unit mm 13 MMU AP0242H AP0272H AP0302H 860 to 910 Ceiling open dimension 5 1000 or more A 29 o E A A a 3 2 ZA An obstacle 2 1000 or more g o E o ire The space that is necessary for equipping and service i 860 to 910 Ceiling open dimension Standing 661 or less 300 or less 5 AA Take in port of wiring Standing 850 or less Indoor unit Bottom face of ceiling Drain upstanding size 172 Refrigerant pipe connecting port 39 5 Liquid side Refrigerant pipe connecting port 115 9 Gas side Bottom face of ceiling Drain pipe connecting port Meterial PP For branch duct knockout square hole 150 Hanging bolt M10 or 3 8 procured by locally 950 Panel external dimension 780 Hanging bolt pitch i 323 129 For branch duct 77 knockout square hole 150 408 690 20 Hanging bolt pitch 840 Unit external dimension Ceiling panel sold separately 950 Panel external dimension
2. gt E Bottom face 269 SS 29 of ceiling Vv is 840 Unit external dimension o Ga For branch duct knockout square hole 0150 2 positions 362 5 105 372 5 For branch duct knockout square hole 0150 2E Mi Knockout for simple OA for 100 nm SI 2 i Bottom face of ceiling y T Bottom face of ceiling D 5 N Z view A yr N Unit mm 14 MMU AP0362H AP0482H AP0562H 860 to 910 Ceiling open dimension 1000 E Mere 15 or more mz An obstacle 1000 or more 1000 or more 2 fe E 3 re The space that is necessary for equipping and service 860 to 910 Ceiling open dimension o S Standing 661 or less 300 or less Take in port of wiring Bottom face of ceiling x vt Standing 850 or less 172 112 129 ez 00 Ti Indoor unit Bottom face of ceiling Drain pipe Drain upstanding size connecting port Meterial PP Refrigerant pipe connecting port 9 5 Liquid side Refrigerant pipe connecting port 15 9 Gas side For branch duct knockout square hole 150 Bottom face of ceiling Hanging bolt M10 or 93 8 procured by locally 950 Panel external dimension 780 Hanging bolt pitch j 32
3. gt PIP Oojojo O N gt gt gt gt Other indoor unit error Group follower unit cannot be operated by E03 L03 L07 L08 alarm of header unit Note The check code display may be different according to the detected device even same error contents such as communication error 98 Remote controller detects error Check code display Sensor lamp display AI NET central Outdoor 7 segment Remote controller Block display Network adapter use Auxiliary code Operation Timer Ready Flash O Goes on Flashes 6 Goes off A Alternate Flashing condition is alternate when there are two flashing LED S Simultaneously Two LED flash simultaneously when there are two flashing LED Main defective position No remote controller header unit remote controller communication receive error Description When signal cannot be received from indoor unit when header of remote controller was not set including 2 remote controllers Remote controller communication send error When signal cannot be sent to indoor unit Central controller detects error Check code display Sensor lamp display E Outdoor 7 segment TCC LINK central ALNET central 2 Block display Network adapter use Auxiliary code Operation Timer Ready Flash Is not displayed In shared use of remote controller Duplicated remote controller header M
4. U1 U2 1 However in a case that the network adaptor is installed Power supply A when 2 remote controllers are connected maximum 1 220 240V 50Hz Outdoor unit 7 units are connectable 10220V 60Hz 2 The network adaptor is installed to only one unit 3 The weekly timer cannot be connected to the simple wired remote controller 62 2 Connection of wireless remote controller kit AL Indoor unit 1 1 1 Al B Network adaptor Option ee omol controller kit Indoor control P C board Receiving Network adaptor MCC 1570 PC board P C board MCC 1401 Remote controller DC20V Remote controller Remote controller communication circuit communication circuit communication circuit Emergent Power operation EEPROM rat Switch setup TA sensor MCU TC1 sensor TC2 sensor cen ew TCJ sensor Receiving Display circuit LED mm Driver Float input Louver Outside output HA motor Start Alarm Ready Thermostat ON COOL HEAT FAN Drain pamp BUS circuit Indoor Fan motor fan motor control circuit Power Power supply supply Power AC synchronous dd Yi i Pp a l circuit signal input circuit Outdoor Outdoor g unit unit E N U1 U2 Power supply Indoor Outdoor 1 220 240V 50Hz communication 19220V 60Hz U1 U2 Outdoor unit Max 8 units are connectable 1 1 However in a case that the network adaptor
5. 3 In heating operation the mode changes to LL if thermostat is turned off Prevention of cold air In heating operation the higher temperature of TCJ Temperature of indoor discharge TC2 sensor and TCJ sensor is compared with heat exchanger sensor temperature of TC1 sensor and then the lower In D and E zones priority temperature is used to set the upper limit of the is given to remote control fan tap ler air speed setup When B zone has continued for 6 minutes e In A zone is displayed the operation shifts to C zone e In defrost time the control point is set to 6 C CC A zone OFF 32 B zone Over 26 C below 28 C ULTRA LOW LL C zone Over 28 C below 30 C LOW L D zone Over 30 C below 32 C MED H E zone HIGH HH 55 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 e In K zone the timer count is interrupted and held e When 7 zone is detected the timer is cleared and the operation returns to the normal operation e If J zone continues operation of the indoor fan in LOW mode continues until it reaches the I zone It is reset when the following conditions are satisfied Reset condi
6. Louver contro Continued In case of 4 way Discharge Cassette type Outline of specifications lt lt Selection of Swing mode gt gt e For the Swing mode the following three types of modes are selectable and settable by keeping Swing Direction SWING FIX button pushed for 4 seconds or more on 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 gt 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 gt 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 e Three types of the swing modes can be also selected and set by the setup data of Item code DN FO e In case of selecting 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 button was pushed to select SWING No display for the standard swing
7. Alternate flash 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 92 Lamp indication Timer ail S O Operation o Lo Alternate flash Timer O 0 o Alternate flash Operation Operation Timer BO jes e Simultaneous flash Operation Timer Flash Operation Timer S po 1 Simultaneous flash Operation Timer Ready Or O e l Simultaneous flash Operation Timer Ready O POs O Lids Simultaneous flash Check code Cause of trouble occurrence Heat exchanger sensor TCJ error Heat exchanger sensor TC2 error 7 f Temp sensor error in indoor unit Heat exchanger sensor TC1 error 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
8. 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 Check after rerair Check the following items after reinstallation 1 The earth wire is correctly connected 2 The power cord is not caught in the product Check after reinstallation 3 There is no inclination or unsteadiness and the installation is stable If check is not executed a fire an electric shock or an injury is caused AN CAUTION Be sure to put on gloves and long sleeved shirt during repair work Q If not putting on gloves an injury may be caused with the parts etc Heavy gloves such as work gloves Put on gloves sufficiently cooled As temperature of the compressor pipes and others became high due to cooling heating Cooling check operation a burn may be caused Q When the power was turned on start to work after the equipment has been e New Refrigerant R410A This air conditioner adopts a new HFC type refrigerant R410A which does not deplete the ozone layer 1 Safety Caution Concerned to New Refrigerant The pressure of R410A is
9. Check outdoor PC board I F error e Check SV4 circuit error Pd sensor error All stop Output voltage of Pd sensor was zero Sensor Open Pd gt 4 15MPa during stop of compressor e Check connection of Pd sensor connector Check Pd sensor error Check outdoor P C board I F error Indoor Indoor other error Corresponding unit only stops Indoor P C board did not operate normally Check indoor P C board error EEPROM error VF Outdoor EEPROM error All stop 1 Outdoor PC board I F did not operate normally e Check power voltage e Check power noise e Check outdoor P C board I F error Compressor 1 side Compressor 2 side Compressor breakdown All stop Inverter current detection circuit detected over current and stopped e Check power voltage AC220 240V 10 e Check compressor error e Check cause of abnormal overload operation e Check outdoor P C board IPDU error Compressor 1 side Compressor 2 side Compressor error lock MG SW error OCR operation Over current was detected several seconds after header compressor had started Check compressor error e Check power voltage AC380 10 415V 10 e Check cable of compressor and phase missing e Check connector terminal connection on IPDU PC board Check conduction of case heater Check activation error due to liquid stagnation in compressor Check outdoor P C board I
10. Ensure that all Local National and International regulations are satisfied Read this PRECAUTIONS FOR SAFETY carefully before Installation The precautions described below include the important items regarding safety Observe them without fail After the installation work perform a trial operation test run to check for any problem Follow the Owner s Manual to explain how to use and maintain the unit to the customer Turn off the main power supply switch or breaker before the unit maintenance Ask the customer to keep the Installation Manual together with the Owner s Manual 1 ACCESSORY PARTS Em Accessory parts Part name E Shape Usage Installation Manual These manual Be sure to hand over to customers For heat insulation of pipe connecting section A WARNING Heat insulating pipe Ask an authorized dealer or qualified installation professional to install including moving maintain the air conditioner Inappropriate installation may result in water leakage electric shock or fire Installation pattern For confirmation of ceiling opening and indoor unit position Installation gauge For positioning of ceiling position Be sure to connect earth wire grounding work Incomplete grounding cause an electric shock Do not connect ground wires to gas pipes water pipes lightning rods or ground wires for telephone wires 3 p l Turn off the main power supply switch or breaker before atte
11. If resistance of less than 1MQ is detected do not run the unit 2 Check the valve of the outdoor unit being opened fully To protect the compressor at activation time leave power ON for 12 hours or more be for operating Never press the electromagnetic contactor to forcibly perform a test run This is very dangerous because the protec tive device does not work Before starting a test run be sure to set addresses following the installation manual supplied with the outdoor unit m How to execute a test run Using the remote controller operate the unit as usual For the procedure of the operation refer to the attached Owner s Manual A forced test run can be executed in the follow ing procedure even if the operation stops by thermo OFF In order to prevent a serial operation the forced test run is released after 60 minutes have passed and returns to the usual operation A CAUTION Do not use the forced test run for cases other than the test run because it applies an excessive load to the devices In case of wired remote controller DON OFF FAN SAVE VENT FLIER RESET TEST SWINGIFIX UNIT LOUVER CO 1 5 Procedure 1 Keep amp button pushed for 4 seconds or more TEST is displayed on the display part and the selection of mode in the test mode is permitted Procedure 2 Push button Procedure 3 Using button select the operation mode X COOL or
12. Note If the fan lock was detected the operation of the indoor unit stops and the error is displayed Check code P12 Save operation 1 The function Save operation is not provided to the Super Modular Multi series models 61 e If pushing SAVE button on the remote controller No function is displayed 7 CONFIGURATION OF CONTROL CIRCUIT 7 1 Indoor Unit 7 1 1 Indoor Controller Block Diagram 1 Connection of wired remote controller Wired remote controller Up to 2 units Schedule timer in weekly timer mode Weekly timer Display LCD Function setup Display LCD LCD driver Key switch Display LED CN1 CN2 Function setup Power EEPROM circuit Key switch Remote controller 3 Power Secondary communication circuit circuit battery Indoor unit 1 Network adaptor Option Indoor control P C board Network adaptor 5 P C board MCC 1401 MCC 1570 Remote controller Remote controller communication circuit communication circuit peut Switch setup Same Same as left as left cpu Float input Outside output Start Alarm Ready Thermostat ON COOL HEAT FAN I CPU supply supply l l Outdoor Outdoor Fan motor AC synchronous BUS uni unit y u nae fan motor signal input circuit ae Power circuit l L N U1 U2 Indoor Outdoor communication Max 8 units are connectable 1
13. Signal could not be sent from remote controller to indoor unit Check the communication wire of remote controller Exchange remote controller Indoor Communication error between unit indoor and remote controller Detected at indoor side Corresponding unit only stops No communication from remote controller including wireless and communication adapter e Check remote controller and communication adapter wiring Indoor Indoor outdoor communication unit circuit error Detected at indoor side Corresponding unit only stops Indoor unit does not receive communication from outdoor unit e Check power ON order of indoor outdoor e Check indoor address setup Check inter unit cabling between indoor and outdoor Check outdoor end terminal resistance setup SW30 2 No of indoor units Decreased number of indoor units which received signal normally When signal is not sent for a certain period from the indoor unit which has been used to send signals e Check the power supply of indoor unit Power ON Check connection of communication line between indoor and outdoor e Check connector connection for communication in indoor P C board e Check connector connection for communication in outdoor P C board e Check indoor PC board failure Check outdoor P C board I F failure Indoor outdoor communication circuit error Detected at outdoor side All stop Transmission from outdoor to
14. nN f DO DO LS ting A y Dual swing Cycle swing lt lt Louver lock Louver fix gt gt e 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 5 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 Item code Objective louver No Setup data 0000 Release At shipment 0001 Horizontal discharge position 0005 Downward discharge position 60 Remarks On the remote controller before the wired remote controller RBC AMT32E the mode cannot be moved to the select mode x x SWING FIX even if pushing button for a long time Carry out setting operation during stop of the unit otherwise the unit stops operation The standard swing performs the same swing operation as the present Operation 2 series For the setting operation refer to How to set up type of the swings in Item Setup at local site Others On the remote controller before the wired remote controller RBC AMT32E flashing showing the Swing mode is not indicated On the remote controller before the wired remote controller RBC AMT32E 2R button is not provided Carr
15. After the heating operation has stopped FAN operation may continue for approx 30 seconds When the room temperature reaches the set temperature the super low wind is discharged and the air volume decreases excessively During defrost operation the fan stops so that cool air is not discharged PRE HEAT is displayed NOTE When restarting the operation after stop When restarting the operation immediately after stop the air conditioner does not operate for approx 3 minutes to protect the machine 4 5 Automatic Operation Super Heat Recovery Type Only When you set the air conditioner in mode or 3 Temperature button switch over from AUTO operation because of some Set the desired temperature settings change it will automatically select either cooling heating or fan only operation depending on the indoor temperature In case of cooling start the operation after approx 1 minute In case of heating the operation mode is selected in accordance with the room temperature and operation starts after approximately 3 to 5 minutes When you select the Auto mode it is unneces E NW sary to set the fan speed ea The FAN speed display will show AUTO and C the fan speed will be automatically controlled After the heating operation has stopped FAN OO 1 operation may continue for approx 30 seconds When the roo
16. HEAT e Do not run the air conditioner in a mode other than X COOL or HEAT e The temperature controlling function does not work during test run e The detection of error is performed as usual Procedure 4 After the test run push 22 button to stop a test run Display part is same as Procedure 1 Procedure 5 TEST Push check button to cancel release from the test run mode TEST disappears on the display and the status returns to a normal In case of wireless remote controller Procedure 7 Turn on the power of the air conditioner When power is turned on for the first time after installation it takes approx 5 minutes until the remote con troller becomes available In the case of subsequent power on it takes approx 1 minute until the remote controller becomes available Execute a test run after the predetermined time has passed Procedure 2 Push ON OFF button on the remote controller select COOL or 38 HEAT with MODE button and then select 3 HIGH with FAN button Procedure 3 Cooling test run Heating test run Set the temperature to 18 C with the temp setup buttons Procedure 4 Cooling test run Set the temperature to 30 C with the temp setup buttons Heating test run After confirming a signal receiving sound beep immediately set the temperature to 19 C with the temp setup buttons Procedure 5 Cooling te
17. Heat exchanger Check visual auditory Dust dirt clogging scratches Maintenance e Wash the heat exchanger when it is clogged Fan motor Sound e Take appropriate measures when abnormal sound is generated Filter Dust dirt breakage e Wash the filter with water when it is contaminated e Replace it when it is damaged Fan Vibration balance Dust dirt appearance e Replace the fan when vibration or balance is terrible e Brush or wash the fan when it is contaminated Air inlet outlet grilles Dust dirt scratches e Fix or replace them when they are deformed or damaged Drain pan Dust dirt clogging drain contamination e Clean the drain pan and check the downward slope for smooth drainage Ornamental panel louvers Dust dirt scratches e Wash them when they are contaminated or apply repair coating N WARNING Re Installation Ask the dealer or an installation professional to re install the air conditioner to a new place or move it to another place and to observe the following items If the air conditioner is inappropriately installed by yourself it may cause electric shock or fire N CAUTION Be sure to clean the heat exchanger with pressurized water If an commercially detergent strong alkaline or acid cleaning agent is used the surface treatment of the heat exchanger will be marred which may degrade the self cleaning performance For details
18. If the air speed has been changed once it is not thermo changed for 3 minutes However 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 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 e If 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 If the temperature is just on the difference boundary the air speed does not change Tc2 Indoor heat exchanger In Tc2 gt 60 C the air speed increases by 1 step sensor temperature 54 Outline of specifications Remarks Air speed selection Selection of high ceiling Continued type CODE No In case of 4 way 5d or selection of high Discharge Cassette type ceiling on PC board SW501 CODE No Standard Type 1 Type 3 5d 0000 0001 0003 SW501 1 2 OFF OFF ON OFF OFF ON Tap HEAT COOL HEAT COOL HEAT COOL
19. Pan Ass y Drain 43172208 Pan Ass y Drain 4314J407 Refrigeration Cycle Ass y 4314J408 Refrigeration Cycle Ass y 43146707 Motor PMV EDM MD12TF 3 43146723 Body PMV 43146714 Valve PMV EDM B40YGTF 3 43166004 Remote Controller SX A11JE2 43166005 Remote Controller EX W2JE2 43166006 Remote Controller WH H1JE2 43170244 Hose Drain 43179144 Lid Inside 43119499 Guard Fan 43079249 Band Hose 43163057 Clamp Down 43163058 Clamp Up 43089147 Clamp Wire 43049776 Socket 3 8 IN 43149352 Nut Flare 5 8 IN 43149354 Socket 5 8 IN ajo la apjafja faja f o A a i N i i faja a i a a 43139137 Rubber Cushion RJ Aa se jj t l a ai a ia a a a a a a a ai ai 43122117 Plate Wind 43197197 Screw Fix Panel 43139165 Rubber Cushion 43197199 Washer 4312C038 Motor Fan 4312C039 Motor Fan 43119497 Cover Ass y 43139166 Cap Nut 43179147 Gasket 43177010 Pump Ass y MDP 1401 43151299 Switch Ass y Float FS 0218 102 43179145 Lid Ass y Outside 43170254 Socket Ass y Drain 43197155 Washer 43097212 Nut 43107215 Holder Sensor 42047609 Bonnet 43194029 Bonnet 43149355 Nut Flare
20. Resistance value of sensor is infinite or zero Open Short e Check connection of TK3 sensor connector e Check characteristics of TK3 sensor resistance val e Check outdoor P C board I F error Resistance value of sensor is infinite or zero Open Short Check connection of TK4 sensor connector e Check characteristics of TK4 sensor resistance val e Check outdoor P C board I F error 001 Check code Main remote controller Outdoor 7 segment display Check code Auxiliary code Detected position Check code name Compressor 2 case thermo operation Status All stop Error detection condition Compressor 2 case thermostat operated Check item position Check compressor 2 case thermo circuit Connector cable P C board Check full opening of service valve Gas and liquid side Check outdoor PMV clogging PMV1 2 e Check SV42 valve leak e Check miscabling misinstallation of SV41 and SV42 e Check valve opening of indoor PMV e Check 4 way valve error e Check refrigerant shortage 01 TK1 oil circuit system error 02 TK2 oil circuit system error 03 TK3 oil circuit system error 04 TK4 oil circuit system error Oil level detective circuit system error MG SW error OCR operation All stop Temperature change of TK1 could not be detected though compres sor 1 started the operation Check TK1 sensor coming off e Check characteristics
21. 115 9 115 9 115 9 Liquid side 09 5 9 5 9 5 Drain port Nominal dia mm Polyvinyl chloride tu be Sound puressure level High Mid Low 43 38 32 46 38 33 46 40 33 Ceiling panel 2 Model name RBC U31PG W E Appearance Color White 2 5GY9 0 0 5 Outer dimension Height 30 x Width 950 x Depth 950 Total weight 4 0 Remote controller wiring 200m or less 200m 500m VCTF 0 3mm 2cores VCTF 0 5 to 2 0mm 2cores Crossover wiring Up to 1000m Up to 2000m MVVS Shield wire 1 25mm x 2cores MVVS Shield wire 2 00mm x 2cores Option parts Spacer for height adjustment TCB SP1602UE TCB SP1602UE TCB SP1602UE Fresh air chamber TCB GFC1602UE TCB GFC1602UE TCB GFC1602UE Fresh air inlet box TCB GB1602UE TCB GB1602UE TCB GB1602UE Air discharge direction kit TCB BC1602UE TCB BC1602UE TCB BC1602UE Auxiliary fresh air flange TCB FF101URE2 TCB FF101URE2 TCB FF101URE2 1 Cooling heating capacity is based on single connection operation with standard piping length under Japanese Industrial Standard B 8615 Condition 1 2 Remote controller and ceiling panel are sold separately 11 2 CONSTRUCTION VIEWS EXTERNAL VIEWS MMU AP0092H AP0122H 860 to 910 Ceiling open dimension T a Refrigerant pipe connecting port 6 4
22. 19 C gt 18 C gt Test run ON OFF Test run for heating operation ON OFF gt 30 C gt 29 C gt 30 C gt 29 C gt 30 C gt 29 C gt 30 gt Test run gt ON OFF Note The test run returns to the normal operation after 60 minutes Always select 3 HIGH air volume 67 E 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 PC 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 float SW or fan motor is abnormal 2 Restricted to the normal time if short circuiting DISP pin CN72 on the indoor PC board in addition to short circuit of CHK pin CN71 on the indoor P C 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 minut
23. 3 8 IN 43019904 Holder Sensor 43179135 Band Hose 43149314 Sheet PMV 43179146 Cover Glass 43182010 String 4311M422 Owner s Manual 43179152 Glass 43147664 Strainer 127 a e a fa a arpa ara par ar opa far ar arar ar sr afafajlafjaja axIinj fafa o o afafajlafjaja xIipnj fafa o o MMU AP0272H AP0302H AP0362H AP0482H AP0562H Model Name MMU AP oe Parts No Description a 0302H 0362H 0482H 43050425 Sensor Ass y Service TC F6 43050426 Sensor Service TA 43150320 Sensor Ass y Service TG F4 43160574 Terminal 4P 43160575 Terminal Block 2P 20A 4316V379 PC Board Ass y MCC 1570 128 RBC U31PG W WS E RBC U31PGS W WS E 308 309 304 306 307 323 324 310 311 Location ee Model Name RBC U31 No Palts NO peechpuen U31PG W E U31PG WS E U31PGS W E U31PGS WS E 43409207 Grille Air Inlet 43480017 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
24. Board for Indoor Service 431 6V 379 MMU AP xx 2H series MCC 1570 AN CAUTION lt Model Name MMU AP x 2H gt For the above models set the CODE No to and the setting data 0000 initial to 0001 lt Note when replacing the P C board for indoor unit servicing gt The nonvolatile memory hereafter called EEPROM 1C503 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 lt Replacement procedures gt 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 119 Y Replacement of P C board for indoor unit servicing and power on 2 Refer to page 119 Writing the read out EEPROM data 3 Refer to page 120 4 Power reset for all indoor units connected the remote controller when the group operation control is perf
25. C OFF repeat OFF timer gt ON gt No display Filter display If FILTER El is displayed clean the air filter TEST run display Displayed during a test run Displayed when the heating operation starts or defrost operation is carried out While this indication is displayed the indoor fan stops or the mode enters in LOW No function display Displayed if there is no function even if the button is pushed 14 15 16 17 18 920 19 15 18 N OA Air volume select display The selected air volume mode is displayed AUTO HIGH gt MED S LOW s Louver Number display exapmle 01 02 03 04 Operation ready display Displayed when cooling or heating operation is impossible because the outdoor tempera ture goes out of the operable range Mode select control display Displayed when pushing Operation mode select ay button while the operation mode is fixed to heating or cooling by the system manager of the air conditioner Louver lock display 4 way Air Discharge Cassette Type 2H series only Displayed when there is a louver locked unit in the group including 1 indoor unit by 1 outdoor unit 19 20 19 Unit Number display Unit number of the indoor unit selected with the unit select button or abnormal indication of the indoor outdoor unit Central control display Displayed when the air conditioner is used under the central control in combination with
26. Follower unit D m 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 e D501 flashes with 1 second interval every 0 5 second When there is no EEPROM or write in error e 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 e D403 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 e 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 D504 goes on for 5 seconds at the first half during communication with remote controller Header unit of group In 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 83 9 TROUBLESHOOTING 9 1 Troubleshooting Summary 1 Before troubleshooting 1 Applied models S MMS Multi type models Indoor unit MMX APXXX Outdoor unit MMY MAPXXXXT8X MMY MAPXXXHT7X Super Heat Recove
27. Indoor heat exchanger temp sensor TC2 error Open short of heat exchanger temp sensor TC2 was detected Indoor heat exchanger temp sensor TC1 error Open short of heat exchanger temp sensor TC1 was detected Room tem Sensor TA error Open short of room temp sensor TA was detected Indoor or other P C board error Indoor EEPROM error Other error may be detected Duplicated setting of header in indoor group There were multiple header units in a group There is group cable in individual indoor unit There is even an indoor unit connected to group in individual indoor unit Indoor group address is unset Indoor group address is unset Detected also at outdoor unit side Indoor capacity is unset Capacity of indoor unit is unset Duplicated central control system address Setting of central control system address is duplicated Detected indoor unit No External error was input in indoor Interlock System abnormally stopped by input of external error CN80 Indoor AC fan error Error of indoor AC can was detected Fan motor thermal relay operation Detected indoor unit No Indoor overflow was detected Float switch operated 8 8 O O O O O O O O O O O O O O e o O OO OJO 0000 eje ee o e fe o Indoor DC fan error Error Over current lock etc of indoor DC fan was detected
28. Liquid side Refrigerant pipe connecting port 9 5 Gas side Bottom face of ceiling 408 15 or more 1000 or more 15 or more The space th 860 to 910 Ceiling open dimension 300 or Bottom face of ceiling Indoor unit 1000 or more waa An obstacle 1000 or more at is necessary for equipping and service Standing 661 or less less Standing 850 or less Bottom face of ceiling Drain pipe Drain upstanding size connecting port Meterial PP For branch duct knockout square hole 150 950 Panel external dimension Hanging bolt M10 or 3 8 procured by locally gt j 256 780 Hanging bolt pitch 323 132 840 Unit external dimension le For branch duct knockout square hole 150 2 positions For branch duct knockout square hole 150 269 840 Unit external dimension Bottom face of ceiling HO jp El Ral sdo R 12 F E 74 Ore IES 129 For branch duct w c 5 Knockout square g2 o 105 77_ hole 150 ojl 5 S 5 ele Sj E Eo LO oj al 2 2 SI Sa 2 Ceiling panel Od sold separately Bottom face of ceiling Knockout for simp
29. 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 4 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 downwara 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 4 x 10 3 pcs 4 Connect 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 and item 2 of 2 mount
30. Perform setting while the air conditioner stops 1 TEST SET CL Push O O buttons simultaneously for 4 seconds or more The first displayed unit No is the master indoor unit address in the group control In this time fan and louver of the selected indoor unit operate UNIT LOUVER Every pushing button button at left side the indoor unit No in the group control is displayed one after the other In this time fan and louver of the selected indoor unit only operate 4 Using the set temperature lt 4 buttons specify the item code DN 4 Using the timer time 4 buttons select the set data Da SET Push button OK if indication lights To change the selected indoor unit proceed to Procedure 2 To change item to be set up proceed to Procedure 3 TEST Pushing button returns the status to the normal stop status 3 TIMER SET o 6 ies FILTER RESET TEST SET CL SWING FIX UNIT LOUVER OA lt Operation procedure gt 1 gt 2 gt 3 gt 4 56 END 78 m How to check all the unit No from an arbitrary wired remote controller lt Procedure gt 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 l
31. When it is difficult to obtain satisfactory heating ue 1 Push for at least four seconds when the For details refer to the manual of the wireless remote controller kit to installation place of the indoor unit or structure air conditioner is not working flashes eS y i of the room the detection temperature of eating Indicates CODE No FO The settings can also be changed with the switch on the indoor microcomputer P C board can be raised UNIT Louver 2 Select an indoor unit to be set by pushing Once the setting is changed setting to 0001 or 0003 is possible however setting to 0000 requires a Also use a circulator etc o circulate heat air near left side of the button setting data change to 0000 using the wired remote controller separately sold with the normal switch the ceiling ollow the basic operation procedure Each time y u p sh ihe Button unithumbers setting factory setting 1 gt 2 gt 3 gt 4 gt 5 gt 6 haras as follows i For the CODE No in Procedure 3 specify 06 SET DATA SW501 1 SW501 2 For the set data in Procedure 4 select the Unit No gt Unit No Unit No SET DATA of shift value of detection temperature 1 1 1 2 1 3 SSF PU 0000 Factory setting OFF OFF to be set up from the table below l Unit No ODO 3 No display lt 1 4 Ae DE 0001 oN OFF EN O r J 0003
32. a central control remote controller In case the remote controller is disabled by the central control system flashes The button operation is not accepted Even when you push ON OFF MODE or TEMP button the button operation is not accepted Settings made by the remote controller vary with the central control mode For details refer to the Owner s Manual of the central control remote controller 1 2 Operation section Push each button to select a desired operation The details of the operation needs to be set up once afterward the air conditioner can be used by 1 8 pushing 2225 button only SWING ON OFF FIX 3 button Air volume select button Selects the desired air volume mode TIMER SET button Timer set button TIMER SET button is used when the timer is set up TEST button Check button The CHECK button is used for the check operation During normal operation do not use this button VENT Ca button Ventilation button Ventilation button is used when a fan which is sold on the market is connected e If No function amp is displayed on the remote controller when pushing the Ventilation button a fan is not connected button Filter reset button Resets Erases 4 FILTER display SAVE button Power save operation No function SWING FIX button Swing Wind direction button Selects automatic swing or setting the louver d
33. 3 A buttons for 4 seconds or more Using the setup temp or button specify the item code cf Using the timer time or button set LLC to the setup data SET Push button TEST Push A button The status returns to the usual stop status 3 Wiring cti In the figure the contact indicates a status that the card is taken out Indoor control P C board Power supply 7 7777777 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 operation starts e 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 EXCT 2P plug RED Relay coil signal Indoor control P C board 75 m 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 CL TEST e Turn on power supply Push Ort O buttons simultaneously i for 4 seconds or more o AR A 2 Line address Using the temperature setup TD buttons set c to the item code a Ad
34. A11JE2 43166005 Remote Controller EX W2JE2 43166006 Remote Controller WH H1JE2 43170244 Hose Drain 43179144 Lid Inside 43119499 Guard Fan 43079249 Band Hose 43163057 Clamp Down 43163058 Clamp Up 43089147 Clamp Wire Alaljasjoafjajajajsjajasjasja 43047685 Nut Flare 1 4 IN A j A 43049776 Socket 3 8 IN 43149351 Socket 1 4 IN Aje m m L ee A 43047688 Nut Flare 1 2 IN 43149352 Nut Flare 5 8 IN 43149353 Socket 1 2 IN 43149354 Socket 5 8 IN 43139137 Rubber Cushion 43197197 Screw Fix Panel 4312C039 Motor Fan 43119497 Cover Ass y 43139166 Cap Nut 43179147 Gasket 43177010 Pump Ass y MDP 1401 43151299 Switch Ass y Float FS 0218 102 43179145 Lid Ass y Outside 43170254 Socket Ass y Drain 43197155 Washer 43097212 Nut 43107215 Holder Sensor 3 o2 o 2 32 32 32 32 32 32 32 4 p 0 3 o2 o o2 2 42 32 32 2 2 32 4 p 0 43047609 Bonnet Of Ss Ss Ss Ss Aao ak ak an G e a ai a i h a i a a a S mk a f GO a a a N ait fa aa a l a 43147195 Bonnet 1 2 IN 43194029 Bonnet 43149355 Nut Flare 3 8 IN 43049697 Bonnet 4
35. AI NET Duplicated network adapters AI NET Error detected by TCC LINK central control device Check code Wireless remote controller Central as j 7 Sensor block display control Outdoor 7 segment display Meta IE of reseko uri indication Auxiliary code display Operation Timer Ready Flash Check code name Judging device c05 Sending error in TCC LINK central control device TCC LINK c06 Receiving error in TCC LINK central control device TCC LINK C12 Batch alarm of general purpose equipment control General purpose interface equipment I F Differs according to error contents of unit with occurrence of alarm Group control branching unit error TCC LINK L20 is displayed Duplicated central control addresses TCC LINK TOSHIBA Carriea Cominication Link 5 REFRIGERATING CYCLE DIAGRAM Liquid side Gas side Capillary tube Air heat exchanger at indoor side Pulse Motor Valve PMV Sensor i TA Fan motor Functional part name Functional outline Pulse Motor Valve Connector CN082 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 suction temperature Connector CN100 3P Brown 1 Controls PMV super he
36. Control P C board 1 Detachment 1 Carry out work of item 1 of 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 20P White CN34 Float switch 3P Red CN504 Drain pump 2P White CN100 TC1 sensor 3P Brown CN101 TC2 sensor 2P Black CN102 TCJ sensor 2P Red CN104 Room temp Sensor 2P Yellow CN333 Fan motor power supply 5P 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 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 110 Part name Drain cap Procedure 1 Detachment 1 Carry out work of item 1 of 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 h
37. Line address gt 1 Indoor unit address gt 1 Using timer time buttons Group address gt 1 2 gt 2 2 set the line address D Sub unl SET 4 Push O button OK when display goes on estar uni 5 Indoor unit address For the above example perform setting by connecting singly the Using the temperature setup C G wired remote controller without remote controller inter unit cable buttons set 7 to the item code Group address Individual 0000 Using timer time buttons Master unit 0003 In case of group control set 1 to the line address SET Push button OK when display goes on CON Group address Using the temperature setup TD buttons set 4 to the item code 9 Using timer time V buttons set UG to Individual LOO to Master unit and 2222 to sub unit 10 Push amp button 2 5 8 OK when display goes on ON OFF 3 6 9 TIMER SET FAN TIME SAVE 5 lal 5 3 Pm 11 Push 3 button END 11 El pay 4 7 10 Setup completes The status returns to the usual stop status 1 lt Operation procedure gt 7 gt 8 gt 9 10 11 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 Not
38. ON No sri The fan of the selected unit runs and the a 1 C louvers start swinging re d 2 C Factory setting 3 Select a swing type by pushing TIME To restore the factory settings a buttons To return the DIP switch settings to the factory oe g SW501 1 settings set SW501 1 and SW501 2 to OFF t ER SW501 2 connect a separately sold wired remote controller 6 C wma TT r m MCU IC501 and then set the data of CODE No 5d to 0000 in R A k mom m UNIT No d When installing separately sold filters on this page m To select horizontal wind direction LO IE ae g y TEST 1 Push and TEMP D buttons for at least four seconds when the air conditioner is not working flashes Indicates CODE No 01 2 Select an indoor unit to be set by pushing E Change of lighting time of filter sign button left side of the button Indoor unit number Swing SET DATA UNIT LOUVER changes each time you push the button Swing SET DATA Swing of louvers According to the installation condition the SET DATA Filter sign lighting time l f 0001 Standard swing lighting time of the filter sign gn lighting gt Unit No gt Unit No Unit No Factory setting Notification of filter cleaning can be changed None 1 ES Gant 1 3 0002 Dual swing ni i A Follow the basic operation procedure e No display lt 1 4 o 0003 Cycle swing 1 gt 2 gt 3 gt 4 gt 5 gt 6 e For
39. Procedure When pushing 5 and D buttons at the same time for 4 seconds or more the following display appears CODE No If 4 Service check is displayed the mode enters in the trouble history mode e 01 Order of trouble history is displayed in CODE No window e Check code is displayed e Indoor unit address in which an error occurred is displayed in UNIT No Every pushing of CO GD button used to set temperature the trouble history stored in memory is displayed in order The numbers in CODE No indicate CODE No 01 latest gt 04 oldest CAUTION Do not push button because all the trouble history of the indoor unit will be deleted TEST After confirmation push amp button to return to the usual display 1 Check the troubles according to the above procedure 2 Ask an authorized dealer or qualified service maintenance professional to repair or maintain the air conditioner 3 More details of the service code are explained in Service Manual Check these items If any of these problems still remains stop the operation turn off the leakage breaker and then notifies the dealer of the serial number and details of the error Never repair any part by yourself as it is dangerous When 4 and a combination of E F 4 4 or P and a number are displayed on the remote controller also inform the dealer of the display content 32 ce 4 12 Installation Manusi 2 PRECAUTIONS FOR SAFETY
40. TEST SET CL SWING FIX UNIT_LOUVER QOR Cr 4 9 0 Returns to normal display A lt Operation procedure gt 1 gt 2 3 4 Display Data name form Compressor 1 discharge temp Td1 Compressor 2 discharge temp Td2 High pressure sensor detection pressure Pd Low pressure sensor detection pressure Ps Suction temp TS Outdoor coil temp TE Indoor unit data Indoor coil temp TC1 Indoor PMV opening degree Indoor fan accumulated operation time Filter sign time No of connected indoor units Individual outdoor unit data Note 3 4 Total HP of connected indoor units No of connected outdoor units System data Total HP of connected outdoor units Note 1 In the group connection only data of the header indoor unit is displayed Note 2 01 Only compressor 1 is ON 10 Only compressor 2 is ON 11 Both compressor 1 and 2 are ON Note 3 For the CODE No an example of header unit is described 82 Liquid side temp TL Outside temp TO Low pressure saturation temp TU Compressor 1 current 11 Compressor 2 current 12 PMV1 2 opening degree Compressor 1 2 ON OFF Outdoor fan mode Outdoor unit HP Note 4 Upper girder of CODE No indicates the outdoor unit No 1 Header unit A 2 Follower unit B 3 Follower unit C 4
41. 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 I O 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 master or follower indoor unit Display of filter sign Not provided to the wireless type Separately set type TCB AX21E2 is prepared 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 time elapsed the counted time is reset and the LC displa
42. connection of TS1 sensor connector e Check characteristics of TS1 sensor resistance value e Check outdoor P C board I F error IGBT built in temp sensor error Exchange IPDU PC board 86 Check code Main remote controller Outdoor 7 segment display Check code Auxiliary code Detected position Check code name Outdoor temp sensor miscabling TE1 TL Status All stop Error detection condition During operation of compressor in HEAT mode the TE1 detection temp was higher than that of TL by the specified value continued for 3 minutes or more Check item position e Check installation of TE1 sensor and TL sensor Check characteristics of TE1 and TL sensor resistance value e Check outdoor PC board I F error Outdoor pressure sensor miscabling Pd Ps All stop High pressure Pd sensor and low pressure Ps sensor were exchanged or output voltages of both sensors are zero Check connection of high pressure Pd sensor connector Check connection of low pressure Ps sensor connector e Check pressure sensors Pd and Ps error e Check outdoor P C board I F error Check compression error of compressor Ps sensor error All stop Output voltage of Ps sensor was zero e Misconnection of Ps sensor and Pd sensor connectors Check connection of Ps sensor connector Check Ps sensor error Check compression error of compressor e Check 4 way valve error
43. correspond to a terminal block type relay on the market 74 OQ RG N a 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 item code 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 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 CL TEST Push concurrently
44. error Resistance value of sensor is in or zero Open Short inite e Check connection of TD2 sensor connector Check characteristics of TD2 sensor resistance val e Check outdoor P C board I F error TE1 sensor error Resistance value of sensor is in or zero Open Short inite Check connection of TE1 sensor connector e Check characteristics of TE1 sensor resistance value e Check outdoor P C board I F error TL sensor error Resistance value of sensor is in or zero Open Short inite e Check connection of TL sensor connector Check characteristics of TL sensor resistance value e Check outdoor P C board I F error TO sensor error Resistance value of sensor is in or zero Open Short inite Check connection of TO sensor connector e Check characteristics of TO sensor resistance value e Check outdoor P C board I F error Indoor Indoor TA sensor error Corresponding unit only stops Resistance value of sensor is infinite or zero Open Short Check connection cabling of TA sensor connector e Check characteristics of TA sensor resistance value e Check indoor PC board error TS1 sensor error All stop 01 Compressor 1 side 02 Compressor 2 side TH sensor error All stop Resistance value of sensor is infinite or zero Open Short Resistance value of sensor is infinite or zero Open Short e Check
45. follows depending on the capacity class AP009 to AP030 type None Red J01 APO036 to AP056 type Required Factory setting TEST 10 Push the 2 button to return to the normal stop status It takes approx 1 min until the remote control operation is available again Write the on site setting data to the EEPROM such as address setting etc Perform the steps 1 and 2 above again Change the CODE No DN to 4 by pushing CD buttons for the temperature setting This is the setting for the filter sign lighting time 120 Step 6 Step 7 Step 8 Step 9 Check the setting data displayed at this time with the setting data down in 1 on page 122 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 If the data is the same proceed to next step Change the CODE No DN by pushing O D 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 eq button to return to the normal stop status 6 In a group operation turn off the power supply once return the group wires between indoor units and CN41 connectors as before and then turn on power of all the indoor unit It takes approx 1 min until the remote controlle
46. fresh air flange TCB FF101URE2 TCB FF101URE2 1 Cooling heating capacity is based on single connection operation with standard piping length under Japanese Industrial Standard B 8615 Condition 1 2 Remote controller and ceiling panel are sold separately Model name MMU AP0152H MMU AP0182H Cooling capacity 4 5 5 6 Heating capacity 5 0 6 3 Electrical charastaristics Power supply 1phase 50Hz 230V 220V 240V 1phase 60Hz 220V Separate power supply for indoor units is required Running current 0 27 0 28 0 29 0 30 Power consumption 0 023 0 023 0 026 0 026 Starting current 0 33 0 33 0 36 0 36 Appearance Heat insulating material attached Zinc hot dipping steel plate 256 256 Outer dimension 840 840 Total weight 20 Heat exchanger Finned tube Soundproof Heat insulating material Non flammable insulation Fan Turbo fan Fan unit Standard air flow M L 930 830 790 1050 920 800 Motor 14 14 Air filter Standard filter Long life filter Controller Remote controller Gas side Connecting pipe g12 7 112 7 Liquid side 16 4 6 4 Drain port Nominal dia mm 25 Polyvinyl chloride tube Sound puressure level High Mid Low 31 29 27 32 29 27 Model name RBC U31PG
47. have been installed install the indoor unit Hook the four holes in the installation pattern to the panel fixing screws of the ind oor unit When hanging a ceiling open the ceiling along the outside dimensions of the installation pattern Installation pattern Indoor unit Accessory E Opening a ceiling and installation of hanging bolts Treatment of ceiling The ceiling differs according to structure of building For details consult your constructor or interior finish contractor In the process after the ceiling board has been removed it is important to reinforce ceiling founda tion frame and to keep horizontal level of installed ceiling correctly in order to prevent vibration of ceiling board 1 Cut and remove the ceiling foundation 2 Reinforce the cut surface of ceiling foundation and add ceiling foundation for fixing the end of ceiling board Installation of hanging bolt Use M10 hanging bolts 4 pcs to be local procure Matching to the existing structure set pitch according to size in the unit external view as shown below New concrete slab Install the bolts with insert brackets or anchor bolts Y SB Anchor bolt Blade type Slide type bracket bracket Fhe nanding Steel flame structure Use existing angles or install new support angles ue Hanging bolt ar Co i j ua Hanging bolt Support
48. holding bracket turbo fan gt 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 83 Nm Using torque wrench fix the fan motor at 3 positions and tighten it to 4 9 32 Nm 112 Remarks Fixing screw A 4 Fixing screw B US lt Electric parts box Fan motor lead TC sensor TCJ sensor Bell mouth Fixing screw Turbo fan ay M8 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 84 x 10 3 pcs 4 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 2 mount the electric parts box cover and the suction grille as before CAUTION When exchanging the fan motors of the models MMU AP0092H to AP0320H take off lead wire from the clamp filter which is connected to CN334 of the fan motor to be exchanged and then connect the removed lead wire to a new fan motor 113 Remarks Fan motor Motor lead holding bracket Fixing screws 4 x 8 Fan motor lead
49. in the following figure according to Ta value at the first time only In the range of Ts 1 lt Ta lt Ts 1 Cooling thermo OFF Fan Setup air volume operation continues Cooling LL thermo ON LLLLLLL 1 0 1 Ta __ Cooling thermo OFF Cc TS at the first time only 7 000 JJI Heating 1177777 thermo ON x In the SHRM 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 C COOL DRY HEAT AUTO 18 to 29 18 to 30 18 to 29 16 to 30 18 to 29 17 to 27 Wired type Wireless type 52 For SHRM only Room temp control Continued Outline of specifications 2 Using the Item code 06 the setup temperature in heating operation can be corrected Setup data 0 2 4 6 0 C 2 C 4 6 C Setup temp correction Setting at shipment Remarks Shift of suction temperature in heating operation Except while sensor of the remote controller is controlled Code No 32 0001 Automatic capacity control 1 Based on the difference between Ta and Ts the opera tion capacity is determined by the outdo
50. 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 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 item code DN using the setup temperature gt and G buttons Select the setup data using the timer time and a 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 button OK if display goes on e To change the selected indoor unit return to procedure 2 To change the item to be set up return to procedure 3 6 Pushing A button returns the status to normal stop status 70 Filter display delay timer Table Function selecting item numbers DN Items necessary to perform the applied control at the local site are described 0000 0002 0004 None 2500H 10000H Description 0001 150H 0003 5000H 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
51. indoor cannot continue for 30 seconds Check outdoor terminator resistor setup SW30 2 e Check the communication connection between indoor and outdoor Duplicated indoor Indoor addresses VF Duplicated indoor addresses All stop Multiple indoor unit address setup are duplicated Check indoor address Check the change of remote controller connection Group individual after setup of indoor address Remote controller Duplicated master remote controllers Corresponding unit only stops In 2 remote controller control including wireless both are setup as master Header indoor unit stops and other indoor unit is operating e Check remote controller setup e Check remote controller P C board Communication error between indoor P C board assembly Corresponding unit only stops Communication was not succeeded after power was supplied or during communication Indoor PC board failure 01 Indoor outdoor Automatic address start error communication 02 Between outdoors communication All stop When indoor automatic address started other refrigerant circuit system was setting automatic address When outdoor automatic address started indoor automatic address was executed Setup the address again after disconnecting communication connection with other refrigerant circuit system 96 Check code Main remote controller Outdoor 7 segme
52. indoor unit The error of indoor unit is cleared by 4 5 button of the remote controller Only error of the indoor unit connected with remote controller to be operated is cleared 81 E 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 lt Contents gt 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 lt Procedure gt 1 Push B O buttons simultaneously for 4 seconds or more to call up the service monitor mode cu The service monitor goes on and firstly the temperature of the CODE No cx is displayed 4 2 Push amp 5 button to change CODE No CODE No to the CODE No to be monitored For display code refer to the following table UNIT LOUVER 3 Push button to change to item to be monitored The sensor temperature of indoor unit or outdoor unit in its refrigerant line and the operating status are monitored 4 4 Push G button to return the status to the normal display Display Data name form Room temp Under control Note 1 Room temp Remote controller Indoor suction temp TA Indoor coil temp TCJ Indoor coil temp TC2 DON OFF 2 TIMER SET FAN MODE TIME SAVE VENT FILTER RESET
53. input Air washer etc None HA terminal CN61 select 0000 0002 Usual 0001 Fire alarm input 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 C at factory shipment 0001 F C Swing mode 0001 0003 Standard Cycle swing 0002 Dual swing Standard Louver fixed position Louver No 1 0000 0005 Release 0001 Downward discharge position Horizontal discharge position Not fixed Louver fixed position Louver No 2 0000 0005 Release 0001 Downward discharge position Horizontal discharge position Not fixed Louver fixed position Louver No 3 0000 0005 Release 0001 Downward discharge position Horizontal discharge position Not fixed Louver fixed position Louver No 4 0000 0005 Release 0001 Downward discharge position Horizontal discharge position 71 Not fixed Description At shipment High ceiling selection Type AP009 AP012 AP015 AP018 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 3 2m 3 5m 3 8m High ceiling 3 5m
54. install the air conditioner over an object that must not get wet Condensation may drop from the indoor unit at a humidity of 80 or more or when the drain port is clogged e Do not install the air conditioner in a place where an organic solvent is used e Do not install the air conditioner near a door or window subject to humid outside air Condensation may form on the air conditioner e Do not install the air conditioner in a place where special spray is used frequently Be careful with noise or vibrations e Do not install the air conditioner in a place where noise by outdoor unit or hot air from its air outlet annoys your neighbors e Install the air conditioner on a solid and stable foundation so that it prevents transmission of resonating operation noise and vibration e If one indoor unit is operating some sound may be audible from other indoor units that are not operating 27 4 9 Maintenance Z N WARNING Be sure to turn off the main power switch prior to the maintenance Please do not intend to do the daily maintenance and or Air Filter cleaning by yourself Cleaning of the air filter and other parts of the air filter involves dangerous work in high places so be sure to have a service person do it Do not attempt it yourself Daily maintenance e For daily maintenance including Air Filter cleaning make sure to ask the qualified service person particularly following models 4 way Air Discharge Cassette Typ
55. locally Knockout for simple OA 100 Z view Ceiling bottom surface Ceiling panel sold separately Knockout square hole for humidifier Model MMU AP0242H to AP0302H AP0362H to AP0562H Model MMU AP0092H to AP0122H AP0152H to AP0182H Consider the piping wiring after the unit is hung when determining the location of installation and orientation the indoor unit After the location of the indoor unit installation has been determined open the ceiling and install hanging bolts hanging bolt pitches are given in drawing and the attached installa When a ceiling already exists lay tl refrigerant pipe indoor unit outdoo wires and remote controller wires The dimensions of the ceiling opening and he outline tion pattern he drain pipe r unit connection o their connec tion locations before hanging the indoor unit Procure hanging bolts and nuts for indoor unit these are not supplied Hanging bolt M10 or W3 8 installing the 4 pieces Nut M10 or W3 8 How to use the installation p accessory The installation pattern is provided packaging cap lt For existing ceiling gt 12 pieces attern inside the Use the installation pattern positioning a ceiling opening and hanging bolts lt For new ceiling gt Use the installation pattern to positi opening when hanging a ceiling ion the ceiling After the hanging bolts
56. miscabling TE TL VF F16 43 ALT Outdoor pressure sensor miscabling Pd Ps VF F23 43 ALT Ps sensor error VF F24 43 ALT Pd sensor error VF F29 12 SIM Indoor other error Indoor F31 SIM Indoor EEPROM error VF E01 a o o Communication error between indoor and remote controller Detected at remote controller side Remote controller Comp 1 side Comp 2 side Compressor break down IPDU Remote controller transmission error Remote controller Comp 1 side Comp 2 side Magnet switch error Overcurrent relay operation Compressor trouble lock MG SW Overcurrent relay IPDU Communication error between indoor and remote controller Detected at indoor side Indoor Comp 1 side Comp 2 side Current detect circuit system error IPDU Communication circuit error between indoor outdoor Detected at indoor side Indoor Comp 1 case thermo operation VF Low pressure protective operation VF No of indoor units in which sensor has been normally received Decrease of No of indoor units VF eee ee o A aaa Aaa a nananana nananana e e o e 0C0e00000 O OCJ O OCjO C eje e Oil level down detective protection VF Communication circuit error between indoor outdoor Detected at outdoor side VF Duplicated indoor addresses Duplicated indoor addresses
57. of TK1 sensor resistance value e Check TK1 TK2 TK3 and TK4 misconnection e Check operation error of SV3E valve e Check capillary clogging of oil equation circuit and operation error of stop valve e Check refrigerant stagnation in compressor Check MG SW or OCR Temperature change of TK2 could not be detected though compressor 2 started the operation Check TK2 sensor coming off Check characteristics of TK2 sensor resistance value Check TK1 TK2 TK3 and TK4 misconnection Check SV3E valve operation e Check capillary clogging of oil equalization circuit and check stop valve operation e Check refrigerant stagnation in compressor shell Check MG SW or OCR Temperature change of TK3 could not be detected though compressor started the operation Check TK3 sensor coming off Check characteristics of TK3 sensor resistance value e Check TK1 TK2 TK3 and TK4 misconnection Check SV3E valve operation e Check capillary clogging of oil equalization circuit and check valve operation e Check refrigerant stagnation in compressor shell e Check MG SW or OCR Temperature change of TK4 could not be detected though compressor started the operation or the difference from other TK sensor changed for a constant time only within the specified range Check TK4 sensor coming off Check characteristics of TK4 sensor resistance value Check TK1 TK2 TK3 and TK4 misconnection Check SV
58. on the wire for margin of the length so that the electric parts box can be taken out during servicing 1 Remove the cover of the electric parts box by taking off the mounting screws 2 positions and pushing the hooking section The cover of the electric parts box remains hanged to the hinge 2 Connect the power supply wire and remote controller wire to the terminal block of the electric parts box 3 Tighten the screws of the terminal block and fix the wires with cord clamp attached to the electric parts box Do not apply tension to the connecting section of the terminal block 4 Using the attached thermal insulation material seal the pipe connecting port Otherwise dewing may be caused 5 Mount the cover of the electric parts box without pinching wires Mount the cover after wiring on the ceiling panel Side D Space 8 5mm Side C Space 4mm Te Cable clamp can be attached on left side Cable clamping position Wire type Specification Cabtyre cable ane are Serine Side D Louver connector CN510 White Cabtyre cable a 5mm Side C Power supply terminal block 00 a ESAS Adhered surface o R D lo s A Notched section o Remote controller A Y terminal block P ol S a O Wan o AS o e o EE 9 J NO o Earth line Cord clamp Connecting cord cv 7 ELECTRICAL WORK m Remote controller wiring As the
59. remote controller wire has non polarity there is no problem if connections to indoor unit terminal blocks A and B are reversed Wiring diagram Terminal block for Terminal block remote controller wiring of indoor unit AGL 2 aerate de y 88 Remote controller wire Field supply m Wiring between indoor and outdoor units NOTE An outdoor unit connected with control wiring between indoor and outdoor units wire becomes automatically the header unit Wiring example Outdoor Power supply 380V 415V 50 oH 380V 60Hz Outdoor Power supply 380V 415V 50 380V 60Hz Earth leakage breaker Earth leakage breaker lower outdoor unit Header outdoor unit i i i i i Earth aN uuauajuausiua i Earth aN ma i i i i i i Control wiring between outdoor units Control wiring between indoor and outdoor units Control wiring between indoor units ndoor unit Earth 0 Indoor unit Earth 4 ndoor unit Earth 0 ndoor unit Earth a 6 A B AJB A B Indoor power supply AT Remote controller Remote controller les E neve Oe Earth Pul
60. 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 i 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 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 Defecti
61. set temperature the trouble history stored in memory is displayed in order The numbers in CODE No indicate CODE No 01 latest 04 oldest REQUIREMENT Do not push gt button because all the trouble history of the indoor unit will be deleted Procedure 3 TEST After confirmation push button to return to the usual display 6r Check method 1 1 TROUBLE SHOOTING m Check codes and parts to be checked On the remote controller Main remote controller Central control remote controller and the interface P C board of the outdoor unit I F a check display LCD Remote controller or 7 segment display on the outdoor interface PC board to display the operation is provided Therefore the operation status can be known Using this self diagnosis function a trouble or position with error of the air conditioner can be found as shown in the table below Check code list The following list shows each check code Find the check contents from the list according to part to be checked In case of check from indoor remote controller See Main remote controller display in the list In case of check from outdoor unit See Outdoor 7 segment display in the list e In case of check from Al NET central control remote controller See Al NET central control display in the list In case of check from indoor unit with a wireless remote controller See Sensor block display of receiving unit in
62. status Note The test run returns to the normal operation after 60 minutes 66 4 In case of wireless remote controller Procedure Operation contents Push ON OFF button on the remote controller Change the operation mode to COOL or HEAT using MODE button and then select the air speed H using FAN Test run for cooling operation Test run for heating operation Set 18 C using Temperature set button Set 30 C using Temperature set button Set 19 C using Temperature set button immediately after confirmation of the receiving sound Pi Set 29 C using Temperature set button immediately after confirmation of the receiving sound Pi Set 18 C using Temperature set button immediately after confirmation of the receiving sound Pi Set 30 C using Temperature set button immediately after confirmation of the receiving sound Pi Next carry out the procedures 3 gt 45 3 gt 4 After approx 10 seconds all the indication lamps on the receiving part of the wireless remote controller ON TIMER and Ready flash and start the operation Repeat operation of procedure 2and after if the lamps do not flash After the test run push ON OFF button to stop the operation lt Outline of test run from wireless remote controller gt Test run for cooling operation ON OFF gt 18 C gt 19 C gt 18 C gt 19 C gt 18 C gt
63. th DE No in P if 2500H Factory setting The fan of the selected unit runs and the oh e CO o in Procedure 3 specify rovers start Sinaia NM CAUTION J 5000H For the SET DATA in Procedure 4 select the oa Do not set the swing SET DATA to 0000 i ign lighti i 10000H i i i i SET DATA of fitersign lighting timefrom the 4 Select wind direction setting with TIME PIMs Seng may cause aitailure of the louvers following table buttons Mina direction Wind direction setting Smudge reducing position 0000 Air direction to reduce ceiling contamination Factory setting Cold draft position 0002 Air direction to control cold air fall 5 Push c button to check the setting The display state changes from flashing to lighting and the setting is fixed 6 Push button to end the setting x When the cold draft position is selected ceiling contamination is less reduced SV 8 APPLICABLE CONTROLS About Dual swing Dual means that louvers 07 and 03 are directed and swing in one direction and louvers 02 and 04 are directed and swing in the opposite direction When louvers 07 and 03 are directed downward louvers 02 and 04 are directed holizontally About Cycle swing The four louvers swing independently at respective timings Electric parts box 03 Refrigerant y pipe Drain pipe SET 4 Push button 5 Push button to complet
64. the refrigerant changes and then characteristics of the air conditioner change 3 Pipe Materials For the refrigerant pipes copper 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 lt Piping gt 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 lt Flare nut gt 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 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 conventio
65. 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 erroi 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 84 S8 9 2 How to check On the remote controller Remote controller Central control remote controller and on the interface P C board of the outdoor unit LCD display part Remote controller or 7 segment display part on outdoor interface P C board is provided in order to display the operation status When a trouble occurred the method to judge the trouble or defective position of the air conditioner by this self diagnosis function is shown below The following table shows the list of each check code that each device detects Check the check contents in the following table according to position to be checked e Check from the indoor remote controller or TCC LINK central controller Refer to Display on remote controller amp TCC LINK central controller in the following table e Check from outdoor unit Refer to Display of outdoor segment in the following tabl
66. the drain cap the electric parts box cover and the suction grille as before 114 Remarks Fixing screw A Drain port Drain pump lead wire Wiring taking out port Clamp Drain pump Drain hose Part name Float switch assembly Procedure 1 Detachment 1 Carry out works of item 1 of 7 and works from 1 to 5 2 Remove the fixing screw and then remove the float switch assembly 04 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 4 x 10 8 pcs 3 Following to works of item 2 of 7 and works from 2 to 5 attach the parts as before Remarks Drain pan 1 Detachment 1 Carry out works of item 1 of item 1 of O item 1 of 2 and works from 2 to 5 2 Remove the fixing screws to remove the drain pan 4 x10 4 pcs 2 Attachment 1 Fix parts as before in order of drain cap gt drain pan gt bell mouth 2 Following to works of item 2 of 7 and works from 2 to 5 attach parts as before 115 Part name Procedure Remarks PMV motor 1 Detachment 1 Carry out work of item 1 of 0 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
67. to the above exclusive tools the following equipments which serve also for R22 are necessary as the general tools 1 2 Vacuum pump Use vacuum pump by attaching vacuum pump adapter Torque wrench Pipe cutter Reamer Pipe bender Level vial Screwdriver 8 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 Clamp meter 3 Insulation resistance tester 2 Thermometer 4 Electroscope 5 Recharge of Refrigerant When recharge of the refrigerant is required charge the new refrigerant with the specified amount in the procedure as described below Recover the refrigerant and check there is no refrigerant in the equipment When the pressure has lowered until indication of the compound gauge pointed 0 1MPa 76cmHg open fully the handle Low and turn off the power of vacuum pump Connect the charge hose to the packed valve service ports at gas side liquid side and balance side of the outdoor unit Leave it as itis for 1 to 2 minutes and check the indicator of the compound gauge does not return Connect the charge hose to vacuum pump adaptor Set the refrigerant cylinder on the electron balance connect Open the packed valves of the balance pipe fully at liquid and gas the charge hose to connecting ports of the cylin
68. unit only stops Error detection condition Check item position Check the lock of fan motor AC fan e Check cabling VF Discharge temp TD1 error All stop Discharge temp TD1 exceeded 115 e Check full opening of outdoor service valves Gas side Liquid side e Check clogging of outdoor PMV PMV1 2 Check characteristics of TD1 sensor resistance value e Check refrigerant shortage e Check 4 way valve error e Check leakage of SV4 circuit e Check SV4 circuit Miswiring and misinstallation of SV41 and SV42 01 Compressor 1 side 02 Compressor 2 side Actuation of high pressure SW All stop High pressure SW actuated e Check connection of high pressure SW connector Check Pd pressure sensor error e Check full opening of outdoor service valves Gas side Liquid side Check outdoor fan error e Check outdoor fan motor error e Check clogging of outdoor PMV PMV1 2 Check clogging of indoor outdoor heat exchangers Check short circuiting of outdoor suction discharge air e Check clogging of SV2 circuit e Check outdoor P C board I F error Check indoor fan system error Cause of air volume decrease e Check opening of indoor PMV Check miscabling of communication line between indoor and outdoor e Check operation error of check valve of discharge pipe e Check SV4 valve circuit e Check SV5 valve circuit e Check refrigerant overcharge 01 Power supply op
69. 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 PM Ms M H M M Pp Ni N D A N DND D Ni DN D BA N D D B DinN N B N ND N 129 RBC AX31U W E RBC AX31U WS E Location No Parts No 43459011 Description P C Board Ass y Remote Receiver Model Name RBC AX31U W E RBC AX31U WS E 43462010 Cover WRS ABS 43461006 Sheet PC 43108018 Cover Panel WRS 43108019 Cover Panel WRS 43460126 Lead 130 TOSHIBA CARRIER CORPORATION 23 17 TAKANAWA 3 CHOME MINATOKU TOKYO 108 8580 JAPAN Copyright O 1999 to 2008 TOSHIBA CARRIER CORPORATION ALL Rights Reserved
70. 0002 No shift 2 C 0001 0010 1 C 10 C Up to 6 recommended 0002 2 C Floor type 0000 0 C 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 Air Discharge Cassette Depending on model type Indoor unit capacity 0000 Unfixed 0001 to 0034 According to capacity type Line address 0001 No 1 unit to 0030 No 30 unit 0099 Unfixed Indoor unit address 0001 No 1 unit to 0064 No 64 unit 0099 Unfixed Group address 0000 0002 Individual Follower unit of group 0001 Header unit of group 0099 Unfixed Louver type Air direction adjustment 0000 0002 0003 0004 No louver 0001 Swing only 1 way Air Discharge Cassette type Under Ceiling type 2 way Air Discharge Cassette type 4 way Air Discharge Cassette type According to type Temp difference of AUTO mode selection COOL gt HEAT HEAT gt COOL 0000 0 deg to 0010 10 deg For setup temperature reversal of COOL HEAT by Data value 2 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 0001 None Alarm
71. 009 type 012 type 072 type 015 type 096 type 018 type 024 type 027 type 030 type 036 type 1 The initial setup value of EEPROM installed on the service P C board x2 lt Model Name MMU AP sk 2H gt For the above models set CODE No to and the setting data 0000 initial to 0001 122 12 EXPLODED VIEWS AND PARTS LIST MMU AP0092H AP0122H AP0152H AP0182H AP0242H y Y W A WA W A A W A A W W WA W W A W W A W H 4 2 N N S Oo y E A N oO St N E Ee A i 223 232 233 252 253 216 227 228 229 251 254 255 250 Vos 217 210 211 228 251 254 227 229 255 123 Location No Parts No 43120248 Description Fan Ass y Turbo Model Name MMU AP 0122H 0152H 0182H 43166011 Remote Controller 43166012 Remote Controller 43122110 Bell Mouth 43172206 Pan Ass y Drain 43172207 Pan Ass y Drain 4314J405 Refrigeration Cycle Ass y 43143406 Refrigeration Cycle Ass y 43143407 Refrigeration Cycle Ass y 43146707 Motor PMV EDM MD12TF 3 43146713 Valve PMV EDM B25YGTF 3 43146714 Valve PMV EDM B40YGTF 3 43166004 Remote Controller SX
72. 01 Latest to 04 Oldest CAUTION Do not push button because all the error histories of the indoor unit will be deleted After confirmation push A button to return to the usual display How to read the check monitor display lt 7 segment display gt Mie STL ng uig Mite ata we po wo lt How to read gt 0 1 2 3 4 5 6 7 8 9 A b C d E F H J L P E In case of central remote controller TCB SC642TLE2 ES STRESS wm untae fa ETS 1 D N A ARO Z OL DR e A ent o e LILI lt OP SELECT ZONE es 00D Ber 6 28 Uv 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 A e a O D m 1 gb Alternate flashing display iH RC No i 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 buttons in successio
73. 1 or 3 with 4 way discharge system the draft is apt to be felt due to drop of the discharge temperature AP0092H Type and AP0122H Type air conditioners cannot be installed on a high ceiling Height list of ceiling possible to be installed Unit m Model AP0092H AP0152H AP0242H AP0362H Setup of MMU to AP0122H to AP0182H to AP0302H to AP0562H high ceiling Discharge direction 4 way 3 way 2 way 4 way 3 way 2 way 4 way 3 way 2 way 4 way 3 way 2 way SET DATA Standard At shipment High ceiling 1 High ceiling 3 The lighting time of the filter sign notification of filter cleaning on the remote controller can be changed according to installation conditions When it is difficult to obtain satisfactory heating due to location place of the indoor unit or the structure of the room the detection temperature of heating can be raised m Discharge direction As shown in the figure below air discharge directions can be selected according to the shape of the room and the location of the indoor unit installation 3 directions 2 directions e Use a shielding plate kit sold separately to change discharge directions Discharge directions are limited Follow the Installation Manual supplied with the shielding plate kit Shielding plate sold separately 9 4 INSTALLATION REQUIREMENT Strictly comply with the following rules to
74. 1 Push TIMER SET button In the case of 23 5 hours 1 The timer display type changes for every push of the button A E JN ml O O co O In the case of 34 hours 2 OFF timer Repeat OFF timer ON timer No display and timer time displays flash Number Time of days 2 Push qn to select SET TIME For every push of button the set time fil shows 1 day 24 hours increases in the unit of 0 5 hr 30 minutes t Ph shows 10 hours Total 34 hours When setting a time more than 24 hours for 3 Push SET button timer ACEON timer time can be set in the a display disappears and timer time unito i display goes on and or display The maximum set time is 168hr 7 days flashes The remote controller displays the set time When ON timer is activated timer time with time between 0 5 and 23 5 hours 1 or ON timer are displayed and other number of days and time 24 hours or more displays disappear 2 as shown below For every push of button the set time 4 Sancoo na operation decreases in the unit of 0 5 hr 30 minutes Push button 0 5 to 23 5 hours or 1 hr 24 to 168 hours TIMER display disappears NOTE e When the operation stops after the timer reached the preset time the Repeat OFF timer resumes the operation by pushing 2 5 button and stops the operation after the reached the set time SWING FIX e When you push while the OFF timer function of the air co
75. 2 Compressor 2 side G Tr short circuit protection error All stop Instantaneous over current was detected when compressor started e Check connector connection and wiring on IPDU PC board Check compressor error and defect of compressor coil e Check outdoor P C board IPDU error 01 Compressor 1 side 02 Compressor 2 side Compressor position detection circuit error All stop Position was not normally detected Check connector connection and wiring e Check compressor error and defect of compressor coil e Check PC board IPDU error Indoor Other indoor error Group follower unit error Corresponding unit only stops E07 L07 L03 L08 was detected when other indoor unit in the group was defective e Check indoor P C board SOL Error detected by TCC LINK central control device Check code Display on central control device Outdoor 7 segment display Check code Auxiliary code Detected position TCC LINK Check code name TCC LINK central control device transmission error Status Operation continued Error detection condition Signal is not transmit from central control device Check item position e Check central control device error e Check communication line error of central control device e Check setup of terminator resistor TCC LINK central control device transmission error Operation continued Signal is
76. 3 Ceiling panel sold separately 9 Nal N ln Be Sy E Sic E ae AlS pe wee ag 129 For branch duct 2S gt we Sat west 5 5 77 knockout square 12 f pee Biel e hole 150 1 oe He 5 LA 2 ke 2 l Ft _ _ O O O A Sl 5 L I ES oj N E oO E i TE t elg ES OD ke Bottom face of ceiling 269 AN 840 Unit external dimension T 362 5 372 5 For branch duct knockout square hole 1150 2 positions For branch duct knockout i square hole 150 y Knockout for simple OA for 100 Bottom face of ceiling Bottom face of ceiling Z view Unit mm 15 3 WIRING DIAGRAM 3 1 4 Way Air Discharge Cassette Type Flow Selector unit Option Flow gt lt gt lt gt gt lt gt gt Selectorunit J A A AON leh o A CN334 CN333 CN510 CN504 KIX BLU WHI WHI WHI Wil AA E Indoor unit Fuse F01 circuit Fuse F02 CN34 Earth screw T6 3A 250V A T3 15A 250V RED o DC20V sl 2 3 bl Power supply o DC15V hyn pam circuit o DC12V CN104 4111 gt z DON VEL ARA SW501 CN102 AX SN RED 1272 Control P C board
77. 3 8m Type AP024 to AP030 AP036 to AP Discharge 4 way 3 way 2 way 4 way 3 way Standard 0000 At shipment 3 0m 3 3m 3 6m 3 0m 3 3m 0001 High ceiling 3 3m 3 5m 3 8m 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 Item code 10 Setup data Abbreviated Model name 1 0001 4 way Air Discharge Cassette MMU AP XXX H 1 Initial setting value of EEPROM installed on the service PC board Indoor unit capacity Item code 11 Setup data Setup data 72 8 2 Applied Control in Indoor Unit m Remote location ON OFF control box TCB IFCB 4E Wiring and setup e Use the exclusive connector for connection with the indoor control P C board e In 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 interf
78. 3019904 Holder Sensor 43179135 Band Hose 43149314 Sheet PMV 43179146 Cover Glass 43182010 String 4311M422 Owner s Manual 43179152 Glass 43147664 Strainer ajajajaja u mni ajajajaja u mni ajajajaja u m 43140051 Strainer 124 aja ajaja fa afana pa MMU AP0092H AP0122H AP0152H AP0182H AP0242H Model Name MMU AP oe Parts No Description o 0122H 0152H 0182H 43050425 Sensor Ass y Service TC F6 43050426 Sensor Service TA 43150320 Sensor Ass y Service TG F4 43160574 Terminal 4P 43160575 Terminal Block 2P 20A 4316V379 PC Board Ass y MCC 1570 125 MMU AP0272H AP0302H AP0362H AP0482H AP0562H de A x co N N o LO N 2 LO Y A LO Xx A m z oO A Lo A Mm 0 o rap A A A N N N A n A Q LO g N AH LE gt OO E Y i WS ET Ly CHa DIA Y Location No Parts No 43120247 Description Fan Ass y Turbo Model Name MMU AP 0302H 0362H 0482H 43120248 Fan Ass y Turbo 43166011 Remote Controller SX A4EE 43166012 Remote Controller SX A5EE 43122110 Bell Mouth 43172206
79. 3E valve operation e Check capillary clogging of oil equalization circuit and check valve operation e Check refrigerant stagnation in compressor shell Check MG SW or OCR Indoor Duplicated indoor center units Corresponding unit only stops There are multiple center units in a group e Check indoor address e Check the change of remote controller connection Group individual after indoor address setup Duplicated outdoor line address All stop Line address setup is duplicated against the outdoor unit in different refrigerant pipe system e Check line address MG SW Magnet Switch OCR Over current Relay LOL Check code Main remote controller Outdoor 7 segment display Check code Auxiliary code Detected position Check code name Duplicated indoor units with priority Displayed on indoor unit with priority Status All stop Error detection condition Indoor units with priority were duplicated Check item position e Check display of indoor unit with priority No of indoor units with priority Duplicated indoor units with priority Displayed on the unit other than indoor unit with priority All stop Indoor units with priority were duplicated Check display of indoor unit with priority and outdoor unit Group line in individual indoor unit Corresponding unit only stops At least one indoor unit connected to a g
80. 8 units e For wiring procedure and wiring method of the individual line Identical refrigerant line system refer to Electric work in this Manual Wiring between indoor units in a group is performed in the following procedure Connect the indoor units by connecting the remote controller inter unit wires from the remote controller terminal blocks A B of the indoor unit connected with a remote control ler to the remote controller terminal blocks A B of the other indoor unit Non polarity For address setup refer to the Installation Manual attached to the outdoor unit E Remote controller sensor The temperature sensor of the indoor unit senses room temperature usually Set the remote controller sensor to sense the temperature around the remote controller Select items following the basic operation procedure 1 gt 2 gt 3 gt 4 gt 5 gt 6 e Specify 32 for the CODE NO in Procedure 3 e Select the following data for the SET DATA in Procedure 4 SET DATA 0000 Remote controller Not used sensor factory setting When flashes the remote controller sensor is defective Select the SET DATA 0000 not used or replace the remote controller 9r 9 TEST RUN m Before test run Before turning on the power supply carry out the following procedure 1 Using 500V megger check that resistance of 1MQ or more exists between the termi nal block of the power supply and the earth grounding
81. 9 button the indoor unit numbers in group control are displayed successively In this time the fan of the selected indoor unit only turns on 3 Using the setup temp or button specify the item code 37 SU 4 Using the timer time or a button select the setup data At shipment uuu The setup data are as follows Setup data Handling of operation of air to air heat exchanger or ventilating fan GEGE Unavailable At shipment GGG Available 5 Push O button OK if display goes on e To change the selected indoor unit go to the procedure 2 To change the item to be set up go to the procedure 3 6 Pushing A returns the status to the usual stop status 2 Wiring Relay DC12V procured locally oe Corresponds to the relay up Compact 4 way Air Discharge Cassette type to one that the rated current 4 way Air Discharge Cassette type i of the operation coil is approx 75mA 1 way Air Discharge Cassette type 2 series Concealed Duct Standard type model CN32 q Outside control Slim Duct type FAN DRIVE 7 input of fan Under Ceiling type 2P WHI To terminal High Wall type Corresponds up to a relay in which rated current of the operation coil is approx 75mA 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
82. Check PC board of indoor 00 No header unit 02 Two or more header units Header outdoor unit quantity error All stop There are multiple header outdoor units in 1 line There is none of header outdoor unit in 1 line The outdoor unit connected with communication cable between indoor and outdoor U1 U2 is the outdoor unit e Check connection of communication line between indoor and outdoor e Check outdoor PC board I F error 01 Connection of outdoor of other line 02 Connection of indoor of other line Other line unit connected during automatic address All stop Unit of other line was connected when indoor automatic address started Separate the cable between lines according to automatic address setup method in Address setup Communication sending error between outdoor units All stop Transmission of other outdoor unit was unavailable for 30 seconds or more e Check power supply in outdoor unit Is power supplied e Check connection or disconnection of connecting wire between outdoor units e Check connection of connector for outdoor P C board communication e Check outdoor PC board I F error Check terminal resistance setting of communication between outdoor units VF Duplicated outdoor follower address setup All stop Outdoor addresses manually set up are duplicated Note Do not set up the outdoor address manually No of normally received out
83. E1 error Open short of heat exchanger temp sensor TE1 was detected Outdoor liquid temp sensor TL error Open short of outdoor liquid temp sensor TL was detected Outdoor external temp sensor TO error Open short of external temp sensor TO was detected Outdoor suction temp sensor TS1 error Open short of outdoor suction temp sensor TS1 was detected Outdoor temp sensor TE TL miswiring Miswiring by temp sensor TE TL was detected Outdoor pressure sensor Pd Ps miswiring Miswiring by outdoor pressure sensor Pd Ps was detected Low pressure Ps sensor error Output voltage of low pressure Ps sensor detected 0 O O O O O O O O gt gt gt gt gt gt gt gt gt High pressure Pd sensor error When output voltage of high pressure Pd sensor was O or when abnormal value was detected during stop of compressor O O OJOJOJOJOJO OJO O o Outdoor EEPROM error Outdoor EEPROM error Center unit stops with alarm and follower unit continues operation 88 Check code display Sensor lamp display Outdoor 7 segment Auxiliary code TCC LINK central 8 remote controller AI NET central Network adapter use Block display Operation Timer Ready Flash O Goes on Flashes 6 Goes off A Alternate Flashing condition is altern
84. Heat i nsulating material att ached Zinc hot dipping steel plate Outer dimension 256 840 840 Total weight 20 Heat exchanger Finned tube Soundproof Heat insulating material Non flammable insulation Fan unit Fan Turbo fan Standard air flow M L 1290 920 800 1290 920 800 1320 1110 850 Motor 20 20 20 Air filter Stan dard filter Long life filter Controller Remote controller Connecting pipe Gas side 115 9 115 9 115 9 Liquid side 09 5 9 5 9 5 Drain port Nominal dia mm Polyvinyl chloride tu be Sound puressure level High Mid Low 35 31 28 35 31 28 38 33 30 Ceiling panel 2 Model name RBC U31PG W E Appearance Color White 2 5GY9 0 0 5 Outer dimension Height 30 x Width 950 Y Depth 950 Total weight 4 0 Remote controller wiring 200m or less 200m 500m VCTF 0 3mm 2cores VCTF 0 5 to 2 0mm 2cores Crossover wiring Up to 1000m Up to 2000m MVVS Shield wire 1 25mm x 2cores MVVS Shield wire 2 00mm x 2cores Option parts Spacer for height adjustment TCB SP1602UE TCB SP1602UE TCB SP1602UE Fresh air chamber TCB GFC1602UE TCB GFC1602UE TCB GFC1602UE Fresh air inlet box TCB GB1602UE TCB GB1602UE TCB GB1602UE Air discharge directi
85. Heat sink overheat error When high temp error was detected by outdoor IGBT incorporated temp sensor TH Detected indoor unit No There is outdoor unit with detection of overflow There was indoor unit which stopped abnormally due to detection of overflow in 1 line B Indoor unit detected Outdoor liquid back detection error When error was judged as liquid back operation from the refrigerant cycle status 01 TS condition 02 TD condition Gas leak detection The outdoor suction temp sensor TS1 detected high temperature continuously and repeatedly over the standard value Outdoor discharge TD2 temp error Discharge temp sensor TD2 detected high temp error Detected outdoor unit No 4 way valve inverse error Error of refrigerant cycle error was detected during heating operation 0000000 O 00 00 000 O High pressure protective operation High pressure Pd sensor detected value over the standard value 68 IPDU in S MMS standard outdoor unit detects Representative example O Goes on O Flashes e Goes off A Alternate Flashing condition is alternate when there are two flashing LED S Simultaneously Two LED flash simultaneously when there are two flashing LED Check code display Sensor lamp display Outdoor 7 segment TCC LINK central AI NET central Block display Main defective position Description Auxiliary co
86. Indoor IVF TK1 sensor error TK2 sensor error TK3 sensor error TK4 sensor error Oil level detective temp sensor error VF Comp 2 case thermo operation VF Duplicated main remote controllers Remote controller Communication error between indoor MCU Indoor TK1 oil circuit system error TK2 oil circuit system error TK3 oil circuit system error TK4 oil circuit system error Oil level detective circuit error Magnet switch error Overcurrent relay operation VE MG SW Overcurrent relay 01 Indoor Outdoor communication 02 Communication between outdoor units Automatic address start error VF Indoor center unit duplicated Indoor Outdoor line address duplicated VF Indoor is nothing during automatic addressing VF 00 Capacity over 01 No of connected units Capacity over No of connected indoor units VF Duplicated indoor units with priority Displayed in indoor unit with priority VF Communication error between indoor units Indoor No of indoor units with priority Duplicated indoor units with priority Displayed in unit other than indoor unit with priority VF 00 Header is nothing 02 Two or more header units Outdoor header units quantity error VF Group line in individual indoor unit Indoor Indoor group Address unset Indoor I F 01 Outdoor of other line connected 02 Indoor of other line conne
87. M Set the air filter into the air conditioner Cleaning of air filter If El is displayed on the remote controller maintain the air filter Clogging of the air filter reduce cooling heating performance Cleaning of panel and air filter Wipe down the panel and air filter with a sponge or towel moistened with a kitchen detergent Do not use any metallic brush for cleaning Carefully rinse the panel and air filter to wash out the detergent After rinsing the panel and air filter with water dry it in the shade Cleaning of panel and air filter Preparation 1 Turn off the air conditioner by the remote controller 2 Open the suction grille Slide the button of the suction grille inward and open the suction grille slowly while holding it 1 Close the suction grille Close the suction grille slide the knob outward and fix the suction grille securely Cleaning of Air Filters If the air filters are not cleaned it not only reduce the cooling a performance of air conditioner but causes a failure in the air conditioner such as water falling in drops 2 Push button Preparation FILTER EH disappears 1 Stop the operation by remote controller 2 Dismount the air filter A CAUTION Do not start the air conditioner while leaving the panel and air filter removed Push the filter reset button EE indication will be turn off Air filter 3 Mount th
88. ON 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 Remarks Knobs of the Suction grille suction grille hook Adjust Ceiling panel corner cap Hook for falling preventive strap Hole for f ceiling panel hook A No Electric parts cover Detachment 1 Carry out work of item 1 of 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 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 electr
89. OO Cf Start In heating operation if the room temperature is not heated sufficiently with VOLUME amp LOW 7 Push LM button operation select MED or 2 HIGH operation The operation lamp goes on and the operation starts e The temperature sensor senses temperature near the air inlet of the indoor unit which 2 Select an operation mode with the differs from the room temperature depending MODE button on the installation condition One push of the button and the display A value of setting temperature is the measure changes in the order shown as follows of room temperature AUTO is not e A DRY mode function is not provided to selectable in the FAN mode Air volume of function is not provided to R Concealed Duct High Static Pressure Type Cooling only model but air speed amp HIGH only is displayed X 4 Determine the set up temperature by push id DRY coo FAN El ing the TEMP or TEMP button Heat pump model y X 0 X amp Stop The operation lamp goes off and the operation stops 21 Concealed Duct High Static Pressure Type In case of cooling e Start the cooling operation after approx 1 minute In case of heating For Heat pump model only e The heating operation mode is selected in accordance with the room temperature and operation starts after approximately 3 to 5 minutes
90. PDU error Check outdoor MG SW or OCR 1 Compressor 1 side Compressor 2 side Current detection circuit system error All stop only in case of the header unit The follower unit continues operation All stop While header compressor stopped current flowed more than the specified current and was detected e Check cabling of current detection circuit system Check outdoor P C board IPDU error MG SW Magnet Switch OCR Over current Relay 66 Check code Main remote controller Outdoor 7 segment display Check code Auxiliary code Detected position Check code name Compressor 1 case thermo operation Status All stop Error detection condition Compressor 1 case thermostat performed protective operation Check item position e Check compressor 1 case thermo circuit Connector cable PC board Check full opening of service valve Gas and liquid side Check outdoor PMV clogging PMV1 2 e Check SV41 circuit leakage e Check miscabling misinstallation of SV41 and SV42 Check valve open status of indoor PMV e Check 4 way valve error e Check refrigerant shortage Low pressure protective operation All stop Low pressure Ps detected operation lower than 0 02MPa Check full opening of service valve Discharge gas suction gas and liquid side Check outdoor PMV clogging PMV1 2 e Check SV2 circuit and SV4 circuit err
91. Pa or more Check Pd pressure sensor error e Check full opening of service valves Gas side Liquid side Check outdoor fan error Check outdoor fan motor error e Check clogging of outdoor PMV PMV1 2 Check clogging of indoor outdoor heat exchangers e Check air short circuiting in outdoor unit e Check clogging of SV2 circuit Check outdoor P C board I F error Check indoor fan system error Cause of air volume decrease e Check valve opening of indoor PMV Check miscabling of communication line between indoor and outdoor Check operation error of stop valve in discharge assembly part e Check circuit of gas balance SV4 valve e Check circuit of SV5 valve e Check refrigerant overcharge vol Check code Main remote controller Outdoor 7 segment display Check code Auxiliary code Out of step IDC operation Synchronous error Braking error Max rpm over rpm difference error Lock Fan lock Detected position Check code name Outdoor fan IPDU error Status All stop Error detection condition Auxiliary code 08 Fan IPDU position detection circuit Position detection was not normally performed Check item position Fan motor check Connection check of connector for fan motor Error check of IPDU P C board for fan All stop Auxiliary code 0A Fan IPDU over current protective circuit When the fan started and while it is operatin
92. TD condition Protective stop which generates when the status that while compressor is under low frequency operation the discharge temperature TD1 or TD2 detected 108 C or more continuously for 10 minutes was repeated for 4 times or more Check refrigerant shortage Check outdoor PMV clogging PMV1 2 Check characteristics of TD1 TD2 sensor resistance value Check indoor air filter clogging e Check pipe clogging e Check SV4 circuit Valve leakage misinstallation Discharge temp TD2 error All stop Protective stop which generates when the discharge temperature TD2 was over 115 C was repeated for 4 times or more e Check full opening of outdoor service valves gas side liquid side e Check clogging of outdoor PMV PMV1 2 Check characteristics of TD2 sensor resistance value e Check 4 way valve error e Check leakage of SV4 circuit e Check SV4 circuit Miscabling and misinstallation of SV41 and SV42 Detected outdoor unit No 4 way valve operation error All stop When abnormal refrigerating cycle data was detected in heating Error of 4 way valve error Check coil error and connector connection of 4 way valve e Check characteristics of TS1 TE1 sensor resistance value Check characteristics of Pd Ps pressure sensor output voltage e Check misconnection of TE1 and TL sensors High pressure protective operation All stop Pd sensor detected 3 6M
93. TOSHIBA FILE NO A08 004 SERVICE MANUAL _SUPER EZ SUPER MODULAR MULTI lt 4 Way Air Discharge Cassette Type gt MMU AP0092H MMU AP0122H MMU AP0152H MMU AP0182H MMU AP0242H MMU AP0272H MMU AP0302H MMU AP0362H MMU AP0482H MMU AP0562H e This Ser ual describes s of the 4 Way Air Discharge Cas For the Base i eic the oyaa ual with FILE No A03 009 A05 don AOS 015 IN JAPAN Oct 2008 ToMo CONTENTS SAFETY CAUTION ion o Rada Ra 3 1 SPECIFICATIONS cascada il 8 2 CONSTRUCTION VIEWS EXTERNAL VIEWS m mooo 0 12 3 WIRING DIAGRAM isuconnoicinsaicisiin ni n cn licita la 16 4 PARTS RATING dia A ci 17 5 REFRIGERATING CYCLE DIAGRAM cnnncicccccncccccccnnnnnnenenennnnnns 51 6 CONTROL OUTEING cusrnrriarnia adi 52 7 CONFIGURATION OF CONTROL CIRCUIT cocccncnnnnccoccccnonennnnna 62 9 APPLIED CONTROL causar nia aid 70 9 TROUBLESHOOTING csciciciniciirnirnmarcric ie 84 10 DETACHMENTS s svasidises edi deatinverdetorerandatneutuceadiutatuceadieuue 107 11 P C BOARD EXCHANGE PROCEDURES ceeccceceeeeeees 118 12 EXPLODED VIEWS AND PARTS LIST 0 ccceceeeeceeeeeeeeeeeeeees 123 SAFETY CAUTION The important contents concerned to the safety are 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 and keep them Before troubleshooting or repair work check the earth w
94. W E Ceiling panel Appearance Color White 2 5GY9 0 0 5 2 Outer dimension Height 30 x Width 950 x Depth 950 Total weight 4 0 200m or less Remote controller wiring 200m 500m VCTF 0 3mm 2cores VCTF 0 5 to 2 0mm 2cores Up to 1000m Crossover wiring Up to 2000m MVVS Shield wire 1 25mm x 2cores MVVS Shield wire 2 00mm x 2cores Spacer for height adjustment TCB SP1602UE TCB SP1602UE Fresh air chamber TCB GFC1602UE TCB GFC1602UE Option parts Fresh air inlet box TCB GB1602UE TCB GB1602UE Air discharge direction kit TCB BC1602UE TCB BC1602UE Auxiliary fresh air flange 1 Cooling heating capacity is based on single connection operation with standard piping length under Japanese Industrial Standard B 8615 Condition 1 2 Remote controller and ceiling panel are sold separately TCB FF101URE2 TCB FF101URE2 Model name MMU AP0242H MMU AP0272H MMU AP0302H Cooling capacity 7 1 8 0 9 0 Heating capacity 8 0 9 0 10 0 Electrical charastaristics Power supply 1 phase 50Hz 230V 220V 240V 1 phase 60Hz 220V Separate power supply for indoor units is required Running current 0 38 0 39 0 38 0 39 0 43 0 45 Power consumption 0 036 0 036 0 036 0 036 0 043 0 043 Starting current 0 42 0 42 0 42 0 42 0 59 0 59 Appearance
95. ace 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 240V 50Hz 73 E Ventilating fan control from remote controller Function e 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 e Use a fan which can receive the no voltage A contact as an outside input signal e In a group control the units are collectively 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 In a group control if the wired remote controller is set up to the header unit both header and follower units are simultaneously operable CL TEST Push concurrently amp 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 2 Every pushing 2
96. ain defective position Central control system communication send error In 2 remote controller control both remote controllers were set to header Indoor header stops with alarm and follower unit continues operation Description When signal of central control system cannot be sent there are same multiple central devices Al NET Central control system communication receive error When signal of central control system cannot be received There are multiple network adapters There were multiple network adapters AI NET on remote controller communication line Batched alarm of interface for general purpose equipment control Error of equipment connected to control interface of the general purpose unit exclusive to TCC LINK AI NET According to unit with alarm Abovementioned Group follower unit error Group follower unit error For remote controller details is displayed together with unit No Note The check code display may be different according to the detected device even same error contents such as communication error 28 Check code display list Outdoor unit Check code display S MMS standard 8 accumulating outdoor interface detect Representative example Sensor lamp display Outdoor 7 segment Auxiliary code 1 No of indoor units with normal receiving TCC LINK central 8 remote controller AI NET central Network adapter use Bloc
97. al insulation for the pipes separately at liquid side and gas side For the thermal insulation to the pipes at gas side be sure to use the material with heat resisting temperature 120 C or higher Using the attached thermal insulation material apply the thermal insulation to the pipe connecting section of the indoor unit securely without gap REQUIREMENT Apply the thermal insulation to the pipe connect ing section of the indoor unit securely up to the root without exposure of the pipe The pipe exposed to the outside causes water leak Wrap heat insulator with its slits facing up ceiling side Indoor unit Heat insulation pipe Heat insulator Accessory Flare nut of the pipe ELECTRICAL WORK Z WARNING 1 Using the specified wires ensure to connect the wires and fix wires securely so that the external tension to the wires do not affect the connecting part of the terminals Incomplete connection or fixation may cause a fire etc 2 Be sure to connect earth wire grounding work Incomplete grounding cause an electric shock Do not connect ground wires to gas pipes water pipes lightning rods or ground wires for telephone wires 3 Appliance shall be installed in accordance with national wiring regulations Capacity shortage of power circuit or incomplete installation may cause an electric shock or a fire Z CAUTION If incorrect incomplete wiring is carried out it will cau
98. and then install the remote controller only Group wire Remove CN41 connectors of the Remote indoor units other than the units controller to be changed in the same group Remote controller 119 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 Push 5 i O and D buttons on the remote controller simultaneously for more than 4 seconds In the group control operation the unit No displayed for Step 1 Step 2 Step 3 Every time when the button is pushed the indoor unit Nos in the group control operation are displayed in order 2 The settings stored in the EEPROM of the PC board for indoor unit servicing are the factory set values Specify the indoor unit No with its P C board replaced to lt Fig 2 RBC AMS41E gt the P C board for indoor unit servicing Select the CODE No DN can be selected by pushing the CD button for the temperature setting e Set the indoor unit type and capacity Set the CODE No DN to without change Select the type by pushing buttons for the timer Push 5 button The operation completes if the setting lt Fig 1 RBC AMT32E gt Samer d e Std HULL 6 A n the first time is the header unit No ALL is displayed in the Unit No box At this time the CODE No DN shows f Also the fan of th
99. angl Existing concrete slab Use a hole in anchors hole in plugs or a hole in bolts Ze 4 INSTALLATION Installation of ceiling opening and hanging bolt Hanging bolt Level vial H ey Hanging bracket Attach a nut M10 or W3 8 not supplied and the 34 washer supplied to each hanging bolt Insert a washer on both sides of the T groove of the hanging bracket of the indoor unit and hang the indoor unit Check that the four sides of the indoor unit are level using a level vial levelness 5mm or less Detach the installation gauge accessory from the installation pattern Using the installation gauge check and adjust the positional relation between the indoor unit and the ceiling opening 1 10 to 35mm 4 sides and the hanging up height 2 mm 4 corners How to use the installation gauge is printed on the gauge Hanging bolt P M10 or W3 8 Procure hanging bolts and nuts locally Washer Accessory p prevent he dor fety rom falling off for safety be sure to set it just under the hanging bracket as shown in the figure Nut M10 or W3 8 Eccentric washer Accessory Install with the marking UP facing up Nut M10 or W3 8 Level vial levelness 5mm or less Indoor unit Hanging bracket E Hanging o bracket a ae 1 10 to 35mm Ceiling board Installation gauge Indoor unit Ceiling boar
100. aps with the attached heat insulator of the drain connecting section Wrap the attached heat insulator seamlessly from the surface of the indoor unit Heat insulator of Heat insulator the drain connecting To be procured locally section Accessory E 5 re O o Direct the slits and seams of the heat insulator upward to avoid water leakage 6 REFRIGERANT PIPING AND EVACUATING m Refrigerant Piping 1 Use copper pipe with 0 8 mm or more thickness In case pipe size is 015 9 with 1 0mm or more 2 Flare nut and flare works are also different from those of the conventional refrigerant Take out the flare nut attached to the main unit of the air conditioner and use it REQUIREMENT When the refrigerant pipe is long provide support brackets at intervals of 2 5 to 3m to clamp the refrigerant pipe Otherwise abnormal sound may be generated Z CAUTION IMPORTANT 4 POINTS FOR PIPING WORK 1 Remove dust and moisture from the inside of the connecting pipes Tight connection between pipes and unit Evacuate the air in the connecting pipes using VACUUM PUMP Check the gas leakage Connected points E Pipe size AP0092H AP0152H AP0242H to to to AP0122H AP0182H AP0562H 9 5 12 7 15 9 Pipe size Dia mm m Permissible Piping Length and Height Difference They vary according to the outdoor unit For details refer to the Installation Ma
101. are so that water or dust does not enter To Disconnect the Appliance from Main Power Supply e This appliance must be connected to the main power supply by means of a switch with a contact separation of at least 3 mm The installation fuse must be used for the power supply line of this conditioner Tighten the flare nut with a torque wrench in the specified manner Excessive tightening of the flare nut may cause a crack in the flare nut after a long period which may result in refrigerant leakage Wear heavy gloves and a long sleeve shirt during the installation work to avoid injury 3 SELECTION OF INSTALLATION PLACE Z WARNING Install the air conditioner at enough strong place to withstand the weight of the unit If the strength is not enough the unit may fall down resulting in injury Install the air conditioner at a height 2 5m or more from the floor If you insert your hands or others directly into the unit while the air conditioner operates it is dangerous because you may contact with revolving fan or active electricity A CAUTION Do not install the air conditioner in a location subject to a risk of exposure to a combustible gas If a combustible gas leaks and stays around the unit a fire may occur Upon approval of the customer install the air conditioner in a place that satisfies the following conditions e Place where the unit can be installed horizontally e Place where a su
102. ary code Detected position Check code name Outdoor liquid back detection error Status Error detection condition lt ln cooling gt While the system operated in cooling mode high ststus of high pressure value was detected in the stopped follower unit lt in heating gt While the system is operating in HEAT mode outdoor PMV of which opening degree was 100 pulse or less for a certain time Check item position Check full close operation of outdoor PMV 1 2 Check Pd and Ps sensor error e Check clogging of SV2 circuit Check clogging of balance pipe e Check clogging of SV3B circuit Check outdoor P C board I F error e Check capillary clogging of oil return circuit from oil separator Check leakage of stop valve in discharge assembly part 01 TS condition Gas leak detection TS1 condition Protective stop which generates when the status that suction temperature is over the judgment standard temperature continued for 10 minutes was repeated for 4 times or more lt TS error judgment standard temperature gt In cooling operation 60 C or higher In heating operation 40 C or higher e Check refrigerant shortage e Check full open of outdoor service valves gas side liquid side Check outdoor PMV clogging PMV1 2 Check characteristics of TS1 sensor resistance value e Check 4 way valve error e Check leakage of SV4 circuit 02 TD condition Gas leak detection
103. at 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 51 When power supply is reset 6 CONTROL OUTLINE 6 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 Remarks Air speed rpm Air direction adjustment Operation mode selection Based on the operation mode selecting command from the remote controller the operation mode is selected Remote controller command STOP Control outline Air conditioner stops FAN Fan operation COOL Cooling operation DRY Dry operation HEAT Heating operation AUTO SHRM only Ta and Ts automatically select COOL HEAT operation mode for operation The operation is performed as shown
104. ate when there are two flashing LED S Simultaneously Two LED flash simultaneously when there are two flashing LED Main defective position Compressor1 case thermo operation Description When case thermo of compressor 1 performed protective operation Low pressure protective operation Protective detection operation by low pressure Ps sensor 000 Oil face drop detection protection Protective detection operation by temp sensor TK1 to 4 for oil face detection TK1 sensor error TK2 sensor error TK3 sensor error TK4 sensor error O Error of temp sensor TK1 to 4 for oil face detection When open short of temp sensor TK1 to 4 for oil face detection was detected O Compressor2 case thermo operation Case thermo of compressor2 performed protective operation TK1 oil circuit system error TK2 oil circuit system error TK3 oil circuit system error TK4 oil circuit system error O Oil face detection circuit system error After start of compressor operation the temp variation of temp sensor TK1 to 4 for oil face detection was not detected O O Duplicated outdoor line address Duplicated setting of line address against outdoor units in different refrigerant ines No of priority indoor units Individual display L05 L06 O O Duplicated priority indoor units Displayed in the priority indoor When there were multiple priority indoor units against pri
105. ating thermo is off lt lt Individual air direction setup gt gt e Pushing ED 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 __ Louver select button is not pushed or louver No is not displayed the air directions of all the louvers are ollectively set up 59 Remarks The louver position at horizontal discharge position at under APO30 differs from that at over AP036 The swinging louver moves usually up to the ceiling side from the louver position of the set time Setup from the remote controller without button is unavailable For the setup operation refer to How to set up louver individually of Item Setup at local site Others Using same as the present 4 way Air Discharge Cassette Type is possible
106. be caused 3 Do not bring inflammables close to the refrigerant cycle otherwise fire of the welder may catch the inflammables 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 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 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 re
107. case that one remote controller controls the multiple indoor units the setup operation is unavail able in group control 20 4 4 Correct Usage e When you use the air conditioner for the first time or when you change the SET DATA value follow the procedure below From the next time the operation displayed on the remote controller will start by pushing the 8 button only E Preparation Turn on the main power switch and or the leakage breaker e When the power supply is turned on a partition line is displayed on the display part of the remote controller After the power supply is turned on the remote controller does not accept an operation for approx 1 minute but it is not a failure REQUIREMENT e While using the air conditioner operate it only with 25 button without turning off the main power switch and the leak breaker When you use the air conditioner after it has not been used for a long period turn on the power switch at least 12 hours before starting operation FAN 3 Select air volume with button poe One push of the button and the display changes Ju in th al e order shown as follows OM a amp s slogo E 4 1 3 When air volume is AX AUTO air volume differs according to the room temperature In DRY mode AUTO is displayed and the air volume is LOW Mam o pl AB RESET TEST SWING FIX UNIT LOUVER O A l
108. cation 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 Operation Miswiring or wire connection error between indoor unit and outdoor unit e 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 outdoor units decrease of No of connected outdoor units Follower unit error IPDU communication error Operation Indoor fan error O Indoor overflow error Indoor fan error Alternate flash Outdoor unit liquid back detection error Operation Timer Ready Outdoor unit discharge temp TD1 error Os Yes Outdoor unit high pressure switch operation Outdoor unit open phase error was detected negative phase error was detected
109. contact the dealer 29 4 10 Air Cinditioner Operations and Performance Check before operation WARNING e Check whether earth wire is disconnected or out of place W e Check that air filter is installed to the indoor unit Turn on the power switch 12 hours or more e Check that the air outlet or inlet is not blocked before starting before operation Turn on the main power switch or the circuit breaker for the main power supply to the air conditioner Heating capacity for Heat pump model only For heating a heat pump system which sucks in outside heat air and discharges it into the room is adopted If temperature of the outside air lowers the heating capacity decreases e When temperature of the outside air is low it is recommended to use other heating equipment together Defrost operation during heating operation for Heat pump model only e If the outdoor unit has some frost during heating operation the operation mode changes automatically to defrost mode to increase the heating effect for approx 2 to 10 minutes During defrost operation fans of the indoor and the outdoor units stop 3 minutes protection The outdoor unit does not operate for approx 3 minutes after air conditioner has been immediately restarted after stop or power switch has been turned on This is to protect the system Main power failure e If a power failure occurred during the operation all operations stop When restarting the ope
110. cted Other line connected during automatic address VF Indoor capacity unset Indoor Sending error in communication between outdoor units VF Outdoor capacity unset VF Duplicated follower outdoor addresses VF Duplicated central control addresses AI NET Indoor No of outdoor units which received signal normally Decrease of No of connected outdoor units VF O O jCje e e e e e joje a a a faaaja asasajaaaaaja a jalan ao xa ao lod amanan naa ana o o o amaaan na a ana e o o Over No of connected outdoor units VF Detected outdoor unit number o eo_m exnoo ox Maal e el e e a a 00o oojo 0 o o oojo Ojo ojo o aaaajajajeoaxa e oojo ajana ajoo Follower outdoor unit error VF IPDU1 error IPDU2 error IPDU1 2 error Fan IPDU error IPDU Fan IPDU error IPDU2 Fan IPDU error All IPDU error e O a IPDU communication error IPDU1 error IPDU2 error IPDU3 error Fan IPDU error IPDU1 Fan IPDU error IPDU2 Fan IPDU error All IPDU error No of IPDU error Detected indoor address Indoor outside interlock Indoor Extended I C error VF os 1 1 TROUBLE SHOOTING Check code Wireless remote controller Main s Sensor block display remote Outdoor 7 segment display ENT of receiving unit controller Check code name display A
111. d installation gaug 1 10 to 35mm REQUIREMENT Before installation of the indoor unit be sure to remove the cushion for transportation between the fan and the bell mouth Running the unit without removing the cushion may damage the fan motor Be sure to remove the cushion for transportation between the fan and the bell mouth E Installation of ceiling panel Sold separately Install the ceiling panel according to Installation Manual attached with it after piping wiring work has completed Check that installation of indoor unit and ceiling opening part is correct and then install it REQUIREMENT Joint the connecting sections of ceiling panel ceiling surface ceiling panel and indoor unit closely Any gap between them will cause air leakage and the generate condensation or water leakage Remove the adjust corner caps at the four corners of the ceiling panel and then install the ceiling panel onto the indoor unit Make sure that the claws of the four adjust corner caps are securely fit Improper fitting of the claws may cause water leakage E Installation of remote controller Sold separately For installation of the wired remote controller follow the Installation Manual attached with the remote controller e Pull out the remote controller cord together with the refrigerant pipe or drain pipe Be sur
112. d Adjusting the stop position push the switch 4 For all models In Cooling operation Use the louvers with horizontal set point In Heating operation For Heat pump model only Use the louvers with downward set point For Under Ceiling 1 way Air Discharge Cassette High Wall Type Right Left air direction adjustment To change the air outlet direction to right or left side set the vertical louver inside of the horizontal louver to the desired direction 9 4 way Air Discharge Cassette Type 1H series Compact 4 way Type e When the air conditioner is not operating the louvers automatically direct downward e While the air conditioner is in ready status for heating the louvers direct upward The swinging operation starts after heating ready status has been cleared but SWING of is displayed on the remote controller even if the status is ready to heating 9 4 way Air Discharge Cassette Type 2H series e When the air conditioner is not operating the louvers automatically close e The louvers direct horizontally when heating begins during defrost operation or during the minimum operation after reaching the set temperature When you make a swing or air direction setting at this time the remote controller display varies with the setting but the louvers stay pointed straight out horizontally When the air conditioner starts heating the louvers direct to the set direction As the refrigerant recovery contro
113. de amp remote controller Network adapter use Operation Timer Ready Flash Compressor 1 side Outdoor IGBT incorporated temp sensor TH When open short of outdoor IGBT incorporated temp sensor Compressor 2 side error TH was detected a 1 ze Compressor break down When inverter current Idc detection circuit detected over current comprese 1 siae Compressor error Lock When lock of compressor was detected Cae 1 ae Current detection circuit error Defective current was detected during stop of compressor Cones a e High pressure SW system operation High pressure SW operated Compresor A sioe Heat sink overheat error Outdoor IGBT incorporated temp sensor TH detected high temp error rpm difference error Max rpm over Out of step ES ock IPDU error for outdoor fan IPDU for outdoor fan detected each error Lock Synchronous error Braking error Compressor 1 side Compressor 2 side G Tr IGBT short circuit protective error Short circuit protective operation Instantaneous over current of compressor motor drive circuit element worked compressor 1 a ll eae position detection circuit System Position detect error of compressor motor was detected Note The above check codes are the representative examples and they differ according to the combined outdoor units SHRM etc For details refer to the service guide for the corresponding outdoo
114. der and the sides and then return the valve at gas side a little to the closed side electron gauge and then charge the liquid refrigerant from the service port at liquid side Shield with the gauge manifold so that refrigerant does not flow to gas side Open fully PMV of the outdoor unit e Turn on power of the outdoor unit Charge the refrigerant as below Short CN30 on I F PC board of the outdoor unit e Turn off power of the outdoor unit within 2 minutes after short circuiting Low High pressure gauge pressure gauge Connected to gt Open fully the handle Low of the gauge manifold and then turn on indoor unit Valve fully closed VL Vx Gauge the power of vacuum pump for vacuuming aa __ gas side O O manifold Main Center unit pipe ee 7 Brazed TED O L Service Reducing i port 6 4 valve p Fully Copper pipe ORO 1 Never charge the refrigerant over the specified amount tightened TY 2 Do not charge the additional refrigerant r XN Service port If charging refrigerant additionally when refrigerant gas Mx 06 4 leaks the refrigerant composition in the refrigerating Valve fully closed Copper pipe cycle changes resulted in change of air conditioner Yu liquid side OS ae characteristics or refrigerant over the specified s
115. dical equipment and communication equipment and inverter type fluorescent light is installed A malfunction of the air conditioner abnormal control or problems due to noise to such appliances equipment may occur When the wireless remote controller is used in a room equipped with an inverter type fluorescent light or at a place exposed to direct sunlight signals from the remote controller may not be received correctly Place where organic solvent is used Place near a door or window exposed to humid outside air Dew droping may form Place where special spray is used frequently ao ol 3 SELECTION OF INSTALLATION PLACE E Installation space Secure the specified space in the figure for installation and servicing When incorporating flesh air inlet box sold separately Provide an inspection opening at the outside air intake box side Model MMU Amm 271 or more AP0092H Type to AP0302H Type AP0362H Type to AP0562H Type 334 or more When incorporating y g Check port E flesh air inlet box 450 x 450 5 o 1000 or more a p A E 238 lt o i ve i E 5 TS 2 h a Unit mm S i Obstacle Check port 450 x 450 E Selection of installation place In case of continued operation of the indoor unit under high humidity conditions as described below de
116. disappears and the air condi tioner enters the normal stop mode While is flashing no operation of the remote controller is accepted pe SETTING eg E When installing separately sold filters Be sure to make ceiling setting when installing separately sold filters Separately sold filters cannot be installed in an indoor unit on a high ceiling Follow to the basic operation procedure 1 gt 2 gt 3 gt 4 gt 5 gt 6 For the CODE No in Procedure 3 specify 5d For the set data in Procedure 4 select the SET DATA of filters to be installed from the following table SET DATA High ceiling setting 0000 Normal filter Factory setting SET DATA High ceiling setting High Efficiency Filter 65 High Efficiency Filter 90 0003 E Installing indoor unit on high ceiling When an indoor unit is installed on a ceiling higher than the standard height make the high ceiling setting for air volume adjustment Take the same procedure as that in When installing separately sold filters For the set data in Procedure 3 specify 5d Select the SET DATA for Procedure 4 from the Height list of ceiling possible to be installed table on page 35 in this manual vv 8 APPLICABLE CONTROLS m When wireless remote controller is used E To secure better effect of eating Em How to set up swing type Change the high ceiling and filter settings with the DIP switch on the receiver section P C board
117. door units VF When pushing SW04 outdoor unit which stopped abnormally starts rotating If pushing SW04 and lt Convenient functions gt for 1 second or more under condition that E28 is displayed on 7 segment display of outdoor head Decreased number of connected outdoor units All stop The signal was not returned for constant from the outdoor unit which was receiving signal SWO5 simultaneously the fan of normal outdoor unit operates When pushing SW er unit the fan of 05 singly the operation of fan is cleared Outdoor backup is being set e Check power supply of outdoor unit Is power supplied Check connection or disconnection of connecting wire between outdoor units Check connection of connector for outdoor P C board communication Check outdoor PC board I F error E28 E28 No of detected outdoor units VF Outdoor follower unit error All stop Outdoor header unit received error code from outdoor follower unit e Check the check code of outdoor follower unit 26 Check code Main remote controller Outdoor 7 segment display Check code Auxiliary code IPDU1 error IPDU2 error IPDU1 2 errors Fan IPDU error IPDU1 Fan IPDU error IPDU2 Fan IPDU error All IPDU error or communication error between IPDU and I F PC board or outdoor I F P C board error Detected position Check code na
118. door units is required Power supply Electrical Running current 0 23 0 24 0 23 0 24 charastaristics Power consumption 0 021 0 021 0 021 0 021 Starting current 0 30 0 30 0 30 0 30 Heat insulating material attached Zinc hot dipping steel plate Height 256 256 Outer dimension Width Depth Appearance Total weight Heat exchanger Finned tube Soundproof Heat insulating material Non flammable insulation Fan Turbo fan Fan unit Standard air flow M L 800 730 680 800 730 680 Motor 14 14 Air filter Standard filter Long life filter Controller Remote controller Gas side 9 5 9 5 Liquid side 6 4 6 4 Connecting pipe Drain port Nominal dia mm 25 Polyvinyl chloride tube Sound puressure level High Mid Low 30 29 27 30 29 27 Model name RBC U31PG W E Ceiling panel Appearance Color White 2 5GY9 0 0 5 2 Outer dimension Height 30 x Width 950 x Depth 950 Total weight 4 0 Remote controller with 200m or less VCTF 0 3mm 2cores 9 200m 500m VCTF 0 5 to 2 0mm 2cores Cr yerwirin Up to 1000m MVVS Shield wire 1 25mm x 2cores cis 9 Up to 2000m MVVS Shield wire 2 00mm2 x 2cores Spacer for height adjustment TCB SP1602UE TCB SP1602UE Fresh air chamber TCB GFC1602UE TCB GFC1602UE Option parts Fresh air inlet box TCB GB1602UE TCB GB1602UE Air discharge direction kit TCB BC1602UE TCB BC1602UE Auxiliary
119. e e Check from indoor unit of wireless remote controller Refer to Sensor lamp display in the following table Check code displa Indoor unit detects error Check code display list Indoor unit Sensor lamp display TCC LINK central 8 remote controller AI NET central Outdoor 7 segment Block display Network adapter use Auxiliary code Operation Timer Ready Flash O Goes on O Flashes Goes off A Alternate Flashing condition is alternate when there are two flashing LED S Simultaneously Two LED flash simultaneously when there are two flashing LED Main defective position Regular communication error between indoor and remote controller Description No communication from remote controller and network adapter No central control system communication also Regular communication error between indoor and outdoor No communication from outdoor unit l Duplicated indoor unit No Duplicated indoor address An address same to self address was detected o o e Communication error between indoor MCU Communication error between MCU of main motor microprocessors Regular communication error between header and follower in indoor unit Regular communication between header and follower units in indoor unit was impossible Indoor heat exchanger temp sensor TCJ error Open short of heat exchanger temp sensor TCJ was detected
120. e flashes on the display part of the remote controller e While this display is flashing the model is being automatically TENSO AN MODE Operation confirmed Accordingly wait for a while after display has oda disappeared and then use the remote controller LE or Coca Ojo com This remote controller can control the operation of Max 8 indoor units 920 19 UUUUUU 1 2 E N CODE No Be as Y E Wh A SE C AMEE 17 10 oso BL pe 12 Go 15 18 13 N O 1 SETTING display 8 Louver position display Displayed during setup of the timer etc 4 way Air Discharge Cassette 2 2 way Air Discharge Cassette Operation mode select display 1 way Air Discharge Cassette Under Ceiling The selected operation mode is displayed and High Wall Type only 2H 3H 3 CHECK display Displays louver position Displayed while the protective device works or 9 SWING display a trouble occurs Displayed during up down movement of the louver 10 Set up temperature display The selected set up temp is displayed 4 Timer time display Time of the timer with H mark is displayed When a trouble occurs the check code is displayed 1 1 5 Timer SET IN setup display When pushing the Timer SET IN button the display of the timer is selected in order of 12 PRE HEAT display Heat pump model only Remote controller sensor display Displayed while the sensor of the remote controller is used OFF
121. e 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 the line address for every line using SW13 and 14 on the interface P C board of the center unit in each line e 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 control line wirings together e For each refrigerant line connect the relay connector between Master unit U1U2 and U3U4 terminals e After then set the central control address For setting of the central control address refer to the Installation manual for the central control equipment 76 Confirmation of indoor unit No position 1 To know the indoor unit addresses though position of the indoor unit is recognized e In case of individual operation Wired remote controller indoor unit 1 1 Follow to the procedure during operation lt Procedure gt 1 2 Push ON OFF Push 55 button if the unit stops 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 display
122. e Concealed Duct Standard Type Under Ceiling Type 2 way Air Discharge Cassette Type Slim Duct Type 1 way Air Discharge Cassette Type Concealed Duct High Static Pressure Type Cleaning of air filters Clogging of air filters will reduce the cooling and heating performance gt Oo DON OFF 1 When amp FILTER appears on the remote controller clean the air filters o 2 When the cleaning of air filters has been completed 1 push button El FILTER disappears FAN MODE CD C SAVE VENT 6 Ca SWING FIX UNIT LOUVER e AN CAUTION Cleaning of unit Clean the unit with a soft dry cloth If dirt cannot be removed with the dry cloth use a cloth slightly dampened with lukewarm under 40 C water Cleaning of remote controller e Use a dry cloth to wipe the remote controller A cloth dampened with cold water may be used on the indoor unit if it is very dirty e Never use a damp cloth on the remote controller e Do not use a chemically treated duster for wiping or leave such materials on the unit for long It may damage or fade the surface of the unit e Do not use benzine thinner polishing powder or similar solvents for cleaning These may cause the plastic surface to crack or deform Periodic check Long period use of the air conditioner may cause deterioration or failure of parts due to heat humidity dust and opera
123. e discharge louver First push in one side of the louver and then insert the other side sagging the center downward Cleaning of discharge louver The discharge louver can be removed to clean 1 Remove the discharge louver Holding the both ends of the discharge louver remove the louver sagging the center downward 9 Insert in the louver sagging down the center downward Be careful to the direction of the louver when mounting 2 Cleaning with water e If the dirt is terrible clean the louver by tepid water with neutral detergent or water Mount the louver so that the side with the mark faces upward and the arrow direction of the mark directs REQUIREMENT Be sure to clean the heat exchanger with pressurized water If a commercially available detergent strong alkaline or acid cleaning agent is used the surface treatment of the heat exchanger will be marred which may degrade the self cleaning performance For details contact the dealer NOTE ANNUAL MAINTENANCE For environmental conservation it is strongly recommended that the indoor and outdoor units of the air conditioner in use be cleaned operation of the air conditioner When the air conditioner is operated for a long time periodic maintenance once a year is recommended Furthermore regularly check the outdoor unit for rust and scratches and remove them or apply rustproof treatment if necessary As a general rule whe
124. e indoor unit selected starts its operation and the swing operation starts if it has the louvers UNIT LOUVER amp TEMP TIMER SET FAN MODI TIME SAVE VENT FILTER RESET TEST SET CL SWING FIX UNIT LOUVER E Ole us OQ Q The factory set values shall be written to the EEPROM by changing the type and capacity setting 4 For example 4 way Air Discharge Cassette Type is set to 0001 Refer to Item code 10 on page 122 SWING FIX UNIT LOUVER CEO E data is displayed OO Change the CODE No DN to by pag 2 CD GU buttons for the temperature setting Select the capacity by pushing buttons for the timer setting 4 For example 027 Type is set to 0012 Refer to Item code 11 on page 6 Push 5 button The setting completes if the setting data are displayed 5 Setting 4 way Air Discharge Cassette indoor unit model only Using the set temperature CD buttons set L to the CODE No DN Using the timer time buttons set the dat 0001 Push 5 button The setting completes if the setting data are displayed N CAUTION Be sure to set the jumper wire since the motor protection level setting selection is preformed on it Step 4 Step 5 Connector CN504 for ow drain pump CNS Set J02 as
125. e terminals Conform to the regulations of the local electric company when wiring the power supply Inappropriate grounding may cause electric shock For the refrigerant recovery work collection of refrigerant from the pipe to the compressor stop the compressor before disconnecting the refrigerant pipe If the refrigerant pipe is disconnected while the compressor is working with the valve open the compressor sucks air and the refrigeration cycle is overpressurized which may cause a burst or injury 2 PRECAUTIONS FOR SAFETY A CAUTION New Refrigerant Air Conditioner Installation THIS AIR CONDITIONER ADOPTS THE NEW HFC REFRIGERANT R410A WHICH DOES NOT DESTROY OZONE LAYER The characteristics of R410A refrigerant are easy to absorb water oxidizing membrane or oil and its pressure is approx 1 6 times higher than that of refrigerant R22 Accompanied with the new refrigerant refrigerating oil has also been changed Therefore during installation work be sure that water dust former refrigerant or refrigerating oil does not enter the refrigerating cycle To prevent charging an incorrect refrigerant and refrigerating oil the sizes of connecting sections of charging port of the main unit and installation tools are changed from those for the conventional refrigerant Accordingly the exclusive tools are required for the new refrigerant R410A For connecting pipes use new and clean piping designed for R410A and please c
126. e the setting E How to set up louver lock No swing UNIT LOUVER 1 Push right side of the button for at least four seconds when the air conditioner is not working flashes Indicates CODE No F1 2 Select an indoor unit to be set by pushing XX left side of the button Each time you push the button unit numbers change as follows The fan of the selected unit runs and the louvers start swinging Unit No Unit No Unit No 1 1 1 2 1 3 No display lt Enit No 3 Select a louver you want to lock by pushing TEMP GD buttons 4 Select the wind direction of the louver you do not want to swing by pushing TIME buttons yo Do e 8 SETDATA 0001 0002 0003 No Ta 4 5 0004 0005 When 4 or 5 is selected dew drop may occur during cooling mode 5 Determine the setting by pushing button When the setting has been determined 4 lights up TEST 6 Push button to complete the setting CODE No SETDATA LD ratte NT Ne L Ott Oa rot A w RC No 0001 0005 Louver lock position code m How to cancel louver lock Set the wind direction to 0000 of the louver lock setup procedure above Setting data 0000 When the setting is canceled goes out Other operations are the same as those in How to set up louver lock No swing E Group control In a group control a remote controller can control up to maximum
127. e to pass the remote controller cord through upper side of the refrigerant pipe and drain pipe Do not leave the remote controller at a place exposed to the direct sunlight and near a stove E Incase of wireless type The sensor of indoor unit with wireless remote controller can receive a signal by distance within approx 7m Based upon it determine a place where the remote controller is operated and the installation place Operate the remote controller confirm that the indoor unit receives a signal surely and then install it Keep 1m or more from the devices such as television stereo etc Disturbance of image or noise may generate To prevent a malfunction select a place where is not influenced by a fluorescent light or direct sunlight Two or more Up to 6 units indoor units with wireless type remote controller can be installed in the same room 5 DRAIN PIPING WORK A CAUTION Following the Installation Manual perform the drain piping work so that water is properly drained and apply a heat insulation so as not to cause a dew droping Inappropriate piping work may result in water leakage in the room and wet of furniture m Flexible hose Use the attached flexible hose to adjust center discrepancy of the hard vinyl chloride pipe or to adjust the angle Do not use the flexible hose as stretched or do not deform it more extent than that in the following figure Be sure to fix the soft
128. ed 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 O O O O O O 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 OV Display mode input OV Demand input ov 69 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 indoor unit and remote controller only When power has been turned on Timer short Usual Indoor unit forced thermostat OFF operation 8 APPLIED CONTROL 8 1 Setup of Selecting Function in Indoor Unit Be Sure to Execute Setup by a Wired Remote Controller lt Procedure gt Execute the setup operation while the unit stops Aa Q DON OFF MODE 4 SAVE VENT SWING FIX UNIT LOUVER TEST Push 7 and buttons simultaneously for 4 seconds or more The firstly displayed unit No
129. ed every UNIT LOUV pushing button UNIT LOUVER 1 Operation TIMER SET FAN E SAVE VENT MODE TIME FILTER RESET TEST SET CL SWING FIX 0 UNIT_LOUVER lt Operation procedure gt 1 gt 2 END 2 To know the position of indoor unit by address e 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 lt Procedure gt The indoor unit numbers in the group control are successively displayed and fan louver and drain pump of the corresponding indoor unit are turned on Follow to the procedure during operation 1 TEST Push 55 and buttons simultaneously for 4 seconds or more e Unit No ALL is displayed Fans and louvers of all the indoor units in the group control operate UNIT_LOUVER Every pushing button the unit num bers in the group control are successively displayed e The unit No displayed at the first time indicates the master unit address Fan and louver of the selected indoor unit only operate Push button to finish the procedure All the indoor units in the group control stop 77 TIMER SET FAN MODE 1 Sa TIME SAVE VENT an DO 0 SO RESET TEST SET CL SWING FIX UNIT LOUVER Ke ole 9 lt Operation procedure gt 1 gt 2 gt 3 END E Function selection setup lt Procedure gt
130. electric parts box and check draining by plugging T the single phase 220 240V power to the terminal Hard socket TO be local procure Socket for VP25 vinyl chloride pipe aad p blocks R L and S N If doing so the drain pump motor operates Never apply 220 240 V to or otherwise a trouble of P C board occurs Adhesive inhibited To be local procure Use the attached flexible hose and hose band for connecting the drain hose to the clear drain socket If applying the adhesive socket will be damaged and cause water leakage 6 5 DRAIN PIPING WORK Test water drain while checking the operation sound of the drain pump motor If the operation sound changes from continuous sound to intermittent sound water is normally drained After the check the drain pump motor runs connecting the float switch connector In case of check by pulling out the float switch connector be sure to return the connector to the original position Single phase 220 240V Power terminals EN Y White CN34 RED EME Red Y_ Black gt Pull out connector CN34 Red from P C board Black m Perform heat insulating e As shown in the figure cover the flexible hose and hose band with the attached heat insulator up to the bottom of the indoor unit without gap Cover the drain pipe seamlessly with a heat insulator to be procured locally so that it overl
131. en phase 02 Power supply negative phase Open phase negative phase All stop Open phase was detected when the power turned on Negative phase was detected when the power turned on e Check outdoor power line e Check outdoor P C board I F error 01 Compressor 1 side 02 Compressor 2 side Heat sink overheat error All stop IGBT built in temp sensor TH was overheated e Check power voltage e Check outdoor fan system error Check clogging of heat sink cooling duct Check fixation between IGBT and heat sink Check screwing and contact Check IPDU error IGBT built in temp sensor TH error Indoor address with trouble Indoor Indoor overflow error All stop e Float switch operated e Float switch circuit disconnected or the connector came off e Check the float switch connector e Check operation of drain pump unit Check the drain pump circuit Check clogging of drain pipe e Check indoor PC board error Indoor Indoor fan motor error Corresponding unit only stops The value of motor speed deviated from target value was detected for certain time e Over current protection operated Check connection of fan connector and wiring Check fan motor error e Check indoor P C board error Check influence of outside air control EOL Check code Main remote controller Outdoor 7 segment display Check code Auxili
132. end of the flexible hose with the attached hose band m Connecting drain pipe Connect a hard socket procured locally to the hard socket of the attached supplied flexible hose Connect a drain pipe procured locally to the connected hard socket REQUIREMENT m Check the draining In the test run check that water drain is properly performed and water does not leak from the connecting part of the pipes Be sure to check draining also when installed in heating period Using a pitcher or hose pour water 1500 to 2000cc into the discharge port before installation of the ceiling panel 8e Use the flexible hose on a horizontal level P d E Piping Heat insulating material Coment Dard vinyl chloride pipes securely Using an Pour water gradually so that water does not j i oK NO GOOD adhesive for vinyl chloride to avoid water leakage spread on the motor of the drain pump pegi terto lowing materials for piping and heat lt It takes some time until the adhesive is dried and nsuaung at silo P 1 hardened refer to the manual of the adhesive A CAUTION Piping Harg viny chloride pipe VP25 i Max Riser Trap Do not apply stress to the joint with the drain pipe Quterola i mm 48 during this time period Pour water gently so that it does not spread around f Foam polyethylene in
133. ental panel louvers 8r Dust dirt scratches Wash them when they are contaminated or apply repair coating 1 1 TROUBLE SHOOTING m Confirmation and check When a trouble occurred in the air conditioner the check code and the indoor unit No appear on the display part of the remote controller The check code is only displayed during the operation If the display disappears operate the air conditioner according to the following Confirmation of error history for confirmation Check code Indoor unit No in which an error occurred m Confirmation of error history When a trouble occurred on the air conditioner the trouble history can be confirmed with the following procedure The trouble history is stored in memory up to 4 troubles The history can be confirmed from both operat ing status and stop status DON OFF FAN MODE SAVE VENT SWINGIFIX UNIT LOUVER CF CHO Procedure 1 TEST When pushing and buttons at the same time for 4 seconds or more the following display appears If Service check is displayed the mode enters in the trouble history mode e 01 Order of trouble history is displayed in CODE No window e Check code is displayed in CHECK window e Indoor unit address in which an error occurred is displayed in Unit No CODE No Procedure 2 Every pushing of Cy TEMP button used to
134. entral control Operation from Operation on RBC AMT32E On AI NET ON OFF Operation Timer Temp Air speed Air direction RBC AMT32E central control setting selection setting setting setting setting After push priority Center controlling Center display Operation prohibited O Operation possible x Operation impossible e In case of wired remote controller type Central control display Goes on in the central control mode e Display flashes when an item of the operation prohibited was changed on the remote controller e In case of wireless remote controller type the display lamp does not change but the contents that can be operated are same in the central control mode 1 The operation from the wireless remote controller in the central control mode is notified with the receiving sound Pi Pi Pi Pi Pi 5 times 1 If the operation select modes are different in the central 2 to 4 from those at the central controller side the operations Temp Setting air volume setting and air direction setting are inoperable In case of TCC LINK central control Operation from Operation on RBC AMT32E Sn 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 control Central 2 display Central 3 Central 4 O Operat
135. es Short circuit of CHK pin Normal time Abnormal time Fan motor DISP pin open H DISP pin short circuit H 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 P C board LED e To exchange the indoor PMV coil set the indoor PMV to Max opening degree Lights Lights Flashes e For the detailed positions of CHK pin CN71 on indoor PC board and DISP pin CN72 on indoor PC board refer to the indoor PC board MCC 1570 68 7 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 operation 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 OV 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 defrost
136. fects the operation of these appliances e Do not install the air conditioner near a high frequency appliance sewing machine or massager for business use etc otherwise the air conditioner may malfunction e Do not install the air conditioner in a humid or oily place or in a place where steam soot or corrosive gas is generated e Do not install the air conditioner in a salty place such as seaside area e Do not install the air conditioner in a place where a great deal of machine oil is used e Do not install the air conditioner in a place where it is usually exposed to strong wind such as in seaside area e Do not install the air conditioner in a place where sulfureous gas generated such as in a spa e Do not install the air conditioner in a vessel or mobile crane e Do not install the air conditioner in an acidic or alkaline atmosphere in a hot spring area or near a chemicals factory or in a place subject to combustion emissions Corrosion may be generated on the aluminum fin and copper pipe of the heat exchanger e Do not install the air conditioner near an obstacle air vent lighting equipment etc that disturbs discharge air Turbulent airflow may reduce the performance or disable devices e Do not use the air conditioner for special purposes such as preserving food precision instruments or art objects or where breeding animals or growing plants are kept This may degrade the quality of preserved materials e Do not
137. fficient servicing space can be ensured for safety maintenance and check e Place where drained water will not cause any problem Avoid installing in the following places Place exposed to air with high salt content seaside area or place exposed to large quantities of sulfide gas hot spring Should the unit be used in these places special protective measures are needed A restaurant kitchen where a lot of oil is used or place near machines in a factory Oil adhering to the heat exchanger and resin part turbo fan in the indoor unit may reduce the performance generate mist or dew drop or deform or damage resin parts Place where organic solvent is used nearby Place close to a machine generating high frequency Place where the discharged air blows directly into the window of the neighbor house Outdoor unit Place where noise of the outdoor unit is easily transmitted When install the outdoor unit on the boundary with the neighbor pay due attention to the level of noise Place with poor ventilation Before air ducting work check whether value of air volume static pressure and duct resistance are correct Do not use the air conditioner for special purposes such as preserving food precision instruments or art objects or where breeding animals or growing plants are kept This may degrade the quality of preserved materials Place where any of high frequency appliances including inverter devices private power generators me
138. for Indoor unit TE proa Power supply s CN101 JAI single phase MCC 1570 uns BLK 4218 Beenie High Wall setting me CN100 PP BLK 2X 9 Pot cn71 gt CHK CA 1 CN66 Y 4 CN519 A2 Y WHI CN72 DISP wen 43 EXIT CN40 cnsos 44 Ery BLY RED J CN41 CN309 CN20 CN60 CN32 CN61 CN50 CN70 CN73 CN80 BLU YEL BLU WHI WHI YEL WHI WHI RED GRN d J Ue URI 211 081 4008 00618 FAN DRIVE T10 FILTER EXCT PNL ON WHI NN NO NS Network adaptor Option ired Adapter Remote for Wireless controller Remote controller 1 O indicates the terminal block Letter at inside indicates the terminal number 2 A dotted line and broken line indicate the wiring site 3 EZA indicates the control P C board 16 Color Indication GRY PNK ORN GRN BRW RED WHITE YELLOW GRAY PINK ORANGE GREEN BROWN BLUE BLACK Symbol Parts name Fan Motor Indoor temp sensor Temp sensor Louver Motor Drain pump Motor Float Switch Pulse Motor Valve Power supply Transformer Fot Nwtwork adapter TC1 TC2 TCJ LM1 2 3 4 DM FS PMV TR 4 1 Parts Rating Fan motor 4 PARTS RATING MMU AP0182H AP0302H SWF 230 60 2R AP0092H AP0122H AP0152H AP0242H AP0272H Motor for horizontal grille MP24ZN3N Pulse motor EDM MD12TF 3 Pulse motor valve EDM B25YGTF 3 EDM B40YGTF 2 TA sen
139. 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 122 e The CODE No DN are ranged from 7 to FF The CODE No DN may skip Step 3 After writing down all setting data push es 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 PC board for indoor unit servicing At this time perform the same setting of the jumper wire J01 setting cut switch SW501 short circuit connector CN34 as the setting of the P C board before replacement Step 2 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 followin
140. frigerating 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 recover ing device The refrigerant cannot be recovered in the outdoor unit otherwise a serious accident such as breakage or injury is caused Refrigerant After repair work surely assemble the disassembled parts and connect and lead the removed cables as before Perform the work so that the cabinet or panel does not catch the inner cables Assembly Cabling If incorrect assembly or incorrect cable connection was done a disaster such as a leak or fire is caused at user s side After the work has finished be sure to use an insulation tester set 500V mugger to check the resistance is 2MW or more between the charge section and the non charge metal section Earth position Insulator check If the resistance value is low a disaster such as a leak or electric shock is caused at user s side When t
141. g the status that current flows over constant flow was detected Fan motor check Error check of IPDU P C board for fan All stop Auxiliary code 0E Fan IPDU position detection circuit Position detection was not normally performed Fan motor check Connection check of connector for fan motor Error check of IPDU P C board for fan All stop Auxiliary code OF Fan IPDU position detection circuit Position detection was not normally performed Fan motor check Connection check of connector for fan motor Error check of IPDU P C board for fan All stop Auxiliary code 06 External cause such as blast Position detection was not normally performed Restart after 6 seconds Fan motor check Connection check of connector for fan motor Auxiliary code 04 External cause such as blast When difference between target rpm and real rpm is 25 or more Restart after 6 seconds Fan motor check Connection check of connector for fan motor All stop Auxiliary code 0D Fan IPDU position detection circuit Position detection was not normally performed Windless status Fan motor check Connection check of connector for fan motor Error check of IPDU P C board for fan Auxiliary code 0C External cause such as blast Position detection was not normally performed Windy status Restart after 6 seconds Fan motor check Connection check of connector for fan motor 01 Compressor 1 side 0
142. g 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 Case 1 Indoor unit Service P C board of P C board Indoor uni the unit to be changed Case 2 Indoor uni Service P C board of Indoor uni the unit to be changed Group wire Remove the group wire of the terminal blocks A and B of the changed indoor unit
143. he Following Symptoms Are Found Check the points described below before asking repair servicing Symptom Outdoor unit White misty cold air or Fan of the outdoor unit stops automatically and performs defrost water is out operation Sometimes noise Pushu Solenoid valve works when defrost operation starts or finishes is heard Indoor unit Swish sound is heard When the operation has started during the operation or immediately sometimes after the operation has stopped a sound such as water flows may be heard and the operation sound may become larger for 2 or 3 minutes immediately after the operation has started They are flowing sound of refrigerant or draining sound of dehumidifier Slight Pishi sound is heard This is sound generated when heat exchanger etc expand and contract slightly due to change of temperature Discharge air smells Various smell such as one of wall carpet clothes cigarette or cosmetics adhere to the air conditioner d indication is lit When cooling operation cannot be performed because another indoor unit performs heating operation When the manager of the air conditioner has fixed the operation to COOL or HEAT and an operation contrary to the setup operation is performed When fan operation stopped to prevent discharge of hot air Sound or cool air is output Since refrigerant is flowed temporarily to prevent stay of oil or refrigerant from the stand by ind
144. he refrigerant gas leaks during work execute ventilation If the refrigerant gas touches to a fire poisonous gas generates A case of leakage of the gt refrigerant and the closed room full with gas is dangerous because a shortage of oxygen Ventilation occurs Be sure to execute ventilation When checking the circuit inevitably under condition of the power ON use rubber gloves and others not to touch to the charging section If touching to the charging section an electric shock may be caused Be attentive to electric shock 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 Compulsion 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 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
145. header outdoor units error There is no header outdoor unit or there are multiple header outdoor units in 1 line 01 Connection of l other system outdoor Connection of other system indoor Connection of other system during automatic address When indoor unit of other line was detected during setting of automatic address Communication send error between outdoor units When sending operation to other outdoor unit was impossible Duplicated setting of follower outdoor address Duplicated outdoor address that was manually set No of outdoor units with normal receiving O Decrease of connected outdoor units There was no communication from follower outdoor unit Decrease of No of connected follower outdoor units Detected outdoor unit No Error of follower outdoor units When header outdoor unit detected error of the follower outdoor unit Follower outdoor unit Details display A3 IPDU1 error A3 IPDU2 error A3 IPDU1 2 error Fan IPDU error A3 IPDU1 Fan IPDU error A3 IPDU2 Fan IPDU error All IPDU error O IPDU communication error No communication of each IPDU PC board in inverter box Outdoor discharge temp sensor TD1 error Open short of discharge temp sensor TD1 was detected Outdoor discharge temp sensor TD2 error Open short of discharge temp sensor TD2 was detected Outdoor heat exchanger temp T
146. high 1 6 times of that of the former refrigerant R22 Accompanied with change of refrigerant the refrigerating oil has been also changed 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
147. ic parts box cover 3 Following to work of item 2 of mount the suction grille as before 107 Claw of electric parts box Bell mouth pin wnt n Li Potbelly hole Fixing screw B Dharma doll hole i Il y de Sliding direction Claw of electric i parts box cover Fixing screw A 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 a adjust corner cap Claws 3 positions Push into positions with arrow marks 108 Part name Ceiling panel Procedure 1 Detachment 1 Carry out works of item 1 of and item 1 of 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 h
148. ion possible gt Operation impossible 58 Louver control In case of 4 way Discharge Cassette type 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 o E e In 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 e SWING is displayed and the following display is repeated In all operations Y gt Y Repeats In group operation the louver positions can be set up collectively or individually 3 When the unit stopped or the warning was output the louver is automatically set to full closed position 4 When PRE HEAT Heating ready is displayed Heating operation started or defrost operation 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 he
149. ire is connected to the earth terminals of the main unit otherwise an electric shock is caused when a leak occurs Check earth wires If the earth wire is not correctly connected contact an electric engineer for rework Do not modify the products Do not also disassemble or modify the parts It may cause a fire electric shock or injury Prohibition of modification For spare parts use those specified If unspecified parts are used a fire or electric shock may be caused Use specified parts For details refer to the parts list Before troubleshooting or repair work do not bring a third party a child etc except the repair engineers close to the equipment It causes an injury with tools or disassembled parts Do not bring a child close to the equipment Please inform the users so that the third party a child etc does not approach the equipment Connect the cut off lead cables with crimp contact etc put the closed end side upward and then apply a water cut method otherwise a leak or production of fire is Insulating measures caused at the users side 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 gas may catch fire 2 Do not use a welder in the closed room When using it without ventilation carbon monoxide poisoning may
150. irection e This function is not provided to Concealed Duct Standard Type High Static Pressure Type Floor Standing Cabinet Type Floor Standing Concealed Type or Slim Duct Type Operation lamp Lamp is lit during the operation Lamp is off when stopped Also it flashes when operating the protection device or abnormal time 9 CL button When the button is pushed the operation starts and it stops by pushing the button again When the operation has stopped the operation lamp and all the displays disappear 10 button Operation mode select button 11 12 Selects desired operation mode UNIT LOUVER button Unit Louver select button Selects a unit number left and louver number right UNIT Selects an indoor unit when adjusting wind direction when multiple indoor units are con trolled with one remote controller LOUVER 4 way Air Discharge Cassette Type 2H series only Selects a louver when setting louver lock or wind direction adjustment independently TEMP button Set up temperature button Adjusts the room temperature Set the desired set temperature by pushing t TEMP or TEMP OPTION Remote controller sensor Usually the TEMP sensor of the indoor unit senses the temperature The temperature on the surrounding of th e remote controller can also be sensed For details contact the dealer from which you have purchased the air conditioner e In
151. is installed when 2 wireless remote controller kits are connected maximum 7 units are connectable 2 The network adaptor is installed to only 63 3 Connection of both wired remote controller and wireless remote controller kit Wired remote controller Display LCD Function setup EEPROM Key switch Weekly timer Display LCD LCD driver CN2 Display LED CN1 Power circuit Function setup Key switch Remote controller 3 Power Secondary communication circuit circuit battery Indoor unit Al Network adaptor Option Wireless remote Network adaptor P C board MCC 1401 Remote controller Remote controller communication circuit communication circuit MCC 1570 j Indoor control P C board Driver TAR Outside output Start Alarm Ready Thermostat ON COOL HEAT FAN controller kit Receiving P C board Remote controller communication circuit AC synchronous signal input circuit Power supply 19220 240V 50Hz 19220V 60Hz U1 BUS Fan motor communication fan motor control circuit circuit U2 Indoor Outdoor communication U2 Outdoor unit Max 8 units are connectable 1 1 However in a case that the network adaptor is installed when 2 wireless remote controller kits are connected maximum 7 units are connectable 2 The network adaptor is installed to only 3 The weekly time
152. ittle it is dangerous because over heat or seizure may be caused For specifications of the power capacity of the outdoor unit and the power supply wires refer to the Installation Manual attached to the outdoor unit Indoor unit power supply For the power supply of the indoor unit prepare the exclusive power supply separated from that of the outdoor unit Arrange the power supply earth leakage breaker and main switch of the indoor unit connected to the same outdoor unit so that they are commonly used Power supply wire specification Cable 3 core 2 5mm in conformity with Design 60245 IEC 57 Power supply 220 240V 50Hz Power supply 220V 60Hz Power supply switch Earth leakage breaker or power supply wiring fuse rating for indoor units should be selected by the accummulated total current values of the indoor units Power supply wiring Below 50m Control wiring Central controller wiring 2 core with polarity wires are used for the Control wiring between indoor unit and outdoor unit and Central controller wiring To prevent noise trouble use 2 core shield wire The length of the communication line means the total length of the inter unit wire length between indoor and outdoor units added with the central control system wire length Lp 7 ELECTRICAL WORK Communication line Control wiring between indoor units and outdoor unit 2 core shield wire Up to 1000m 1 25 mm Wire size Up t
153. k No of connected outdoor units Max 4 units per 1 system Check communication line between outdoor units e Check outdoor PC board I F error IPDU1 error IPDU2 error IPDU1 2 errors Fan IPDU error IPDU1 Fan IPDU error IPDU2 Fan IPDU error All IPDU error or communication error between IPDU and I F PC board or outdoor I F PC board error IPDU quantity error No of IPDU units detected when power was turned on were less e Check model setup for outdoor I F service P C board e Check connection of UART communication connector Check IPDU fan IPDU and I F PC board error Note UART Universal Asynchronous Receiver Transmitter Detected indoor address Indoor Interlock in indoor unit from outside Corresponding unit only stops e Outside error input terminal Detected signal to CN80 for more 1 minute E Outside device is connected to connector CN80 1 Check outside device error 2 Check indoor P C board error E Outside device is not connected to connector CN80 1 Check indoor PC board error Extended IC Integrated Circuit error Operation continues PC board I F parts error Check indoor I F P C board coL Check code Main remote controller Outdoor 7 segment display Check code Auxiliary code Detected position Indoor Check code name Indoor fan motor error Status Corresponding
154. k display Operation Timer Ready Flash O Goes on Flashes 6 Goes off A Alternate Main defective position Decrease of No of indoor units Flashing condition is alternate when there are two flashing LED S Simultaneously Two LED flash simultaneously when there are two flashing LED Description When signal did not come from indoor unit Decrease of connected indoor units Indoor Outdoor communication circuit error When signal could not send to indoor unit gt Status that there is no communication to indoor unit from outdoor unit I Duplicated indoor unit No Duplicated indoor address When there were multiple indoor units with same address Detected at indoor unit side also 01 Communication between indoor and outdoor 1 02 Communication between outdoor units Automatic address start error When automatic indoor address operation was performed during setting of automatic address of other system When automatic outdoor address operation was performed during setting of automatic indoor address of other system O There is no indoor during automatic address No receiving of signal from outdoor unit during automatic address 00 Ca acity over 01 No of connected units No of connected indoor units Capacity over Total capacity of indoor units was over the total outdoor capacity x O O 00 No center y 02 2 or more header units No of
155. l box Pull box Pull box leakage breaker power switch Remote controller A Em Wiring for flow selector unit sold separately Connect control wiring and power supply following figure when installing a separately sold cooling heating switching unit Indoor P C board Lo 98 dl CN081 Black Faston connection R L S N terminal block for power supply Earth screw US Clamp with remote controller lead wires Attached wire Control wiring Attached wire Power supply Earth screw y Power supply E Address setup Set up the addresses as per the Installation Manual supplied with the outdoor unit E Wiring on the ceiling panel According to the Installation Manual of the ceiling panel connect the connector 20P White of the ceiling panel to the connector CN510 White on P C board of the electric parts box 8 APPLICABLE CONTROLS REQUIREMENT When you use this air conditioner for the first time it takes approx 5 minutes until the remote controller becomes available after power on This is normal lt When power is turned on for the first time after installation gt It takes approx 5 minutes until the remote controller becomes available Approx 5 minutes Power SETTING on flashes goes out lt When power is turned on for the second or later time gt It takes approx 1 minute until the re
156. l for the outdoor units in the Modular Multi system works even if the outdoor units stop in some cases the louver of the stopped indoor unit may open for several minutes In Cooling operation In Heating operation For Heat pump model only Use the louvers with horizontal set point Use the louvers with downward set point For Cooling Cool For Heating Heat Direct the louvers horizontally Direct the louvers downward LEN A ws According to the shape or arrangement of the room the cold air and hot air can be discharged for two directions or three directions For details contact the dealer 23 9 4 way Air Discharge Cassette 1 way Air Discharge Cassette 2SH series Under CeilingType SWING FIX UNIT LOUVER Unit select button 1 m How to set up the wind direction SWING FIX 1 Push during operation The wind direction changes for every push of the button In HEAT operation For Heat pump model only Direct the louver adjustment plate of up down wind direction downward If directing horizontally hot air y may not come to the foot Initial setup In COOL DRY operation Direct the louver adjustment plate of up down wind direction horizontally P If directing it downward the dew may form on the surface of the air a discharge port and may drop down Initial setup In FAN operation Y s Select a desired wind direction Initial setup m How to s
157. le OA for 100 Bottom face of ceiling Bottom face of ceiling Z view Unit mm MMU AP0152H AP0182H 860 to 910 Ceiling open dimension 5 1000 or more A 29 o E A A a 3 2 ZA An obstacle 2 1000 or more g o E o ire The space that is necessary for equipping and service i 860 to 910 Ceiling open dimension Standing 661 or less 300 or less A 5 Take in port of wiring Standing 850 or less Indoor unit Bottom face of ceiling Drain upstanding size 172 Refrigerant pipe connecting port 36 4 Liquid side Refrigerant pipe connecting port 112 7 Gas side Bottom face of ceiling Drain pipe connecting port Meterial PP For branch duct knockout square hole 150 Hanging bolt M10 or 3 8 procured by locally 950 Panel external dimension 780 Hanging bolt pitch i 323 129 For branch duct 77 knockout square hole 150 408 690 20 Hanging bolt pitch 840 Unit external dimension Ceiling panel sold separately 950 Panel external dimension gt E Bottom face 269 SS 29 of ceiling Vv is 840 Unit external dimension o Ga For branch duct knockout square hole 0150
158. ler changes as follows Setup of air direction and swinging l No display Push button during operation SWING is displayed and the air When no louver number is displayed all four direction automatically changes upward louvers are selected downward In case when one remote controller controls the multiple indoor units each indoor unit can be selected and its air direction can be set up Louver No 2 Push button again during swinging of the louver The air outlet louver can be stopped at the desired position A 3 UNIT LOUVER e To set up the air direction individually push 04 MIN ii DN E e direction to a displayed indoor unit gt be operated collectively Refrigerant pipe Pana Drain pipe 4 e If there is no display all the indoor units can UNIT LOUVER e Every pushing button the display exchanges as shown in the figure 25 4 7 Timer Operation A type of timer operation can be selected from the following three types Setting of up to 168 hours is enabled OFF timer The operation stops when the time of timer has reached the set time Repeat OFF timer Every time the operation stops after the set time has passed ON timer The operation starts when the time of timer has reached the set time E Timer operation FILTER 2 RESET TEST SWING FIX UNIT LOUVER Set Example of remote controller display
159. 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 116 Part name Heat exchanger Procedure 1 Detachment 1 Recover the refrigerant gas 2 Carry out work of item 1 of 3 Remove refrigerant pipe at indoor unit side 4 Remove the fixing screws and then remove the piping cover 04 x10 3 pcs 5 Remove the drain hose from the drain pump and remove the fixing screws to remove the drain pump stand 4 x8 3 pcs 6 While pushing the heat exchanger remove the fixing band fixing screws and the heat exchanger 14 x8 3 pcs Attachment 1 Mount the heat exchanger with the fixing band and the fixing screws 04 x8 3 pcs 2 Fix the parts as before in order of drain pump stand gt piping cover 3 Connect the refrigerant pipe as before and then apply vacuuming 4 Following to work of item 2 of 0 attach the parts as before 117 A EA Remarks Fixing screws 4 x10 Fixing screws 4 x10 My Fixing screw Fixing aN 11 PC BOARD EXCHANGE PROCEDURES 11 1 Exchange of P C
160. m temperature reaches the set 3 e 2 temperature and the outdoor unit stops the SAVE VENT super low wind is discharged and the air FUER o ae a volume decreases excessively M AlLOO Ce Co During defrost operation the fan stops so that cool air is not discharged and HEAT READY is displayed If the Auto mode is uncomfortable you can select the desired conditions manually Start NOTE 7 oo button Push this button to start the air conditioner When restarting the operation after stop e When restarting the operation immediately after 2 Mode select button MODE stop the air conditioner does not operate for Select Auto approx 3 minutes to protect the machine Stop Push 4 button Push this button again to stop the air conditioner 22 4 6 Adjustment of Wind Direction For best cooling and heating performance adjust the louvers adjustment of up down wind direction appropriately AN CAUTION e If cooling operation is performed with downward air outlet dew may fall on surface of the cabinet or the horizontal louver resulted in dripping e If heating operation is performed with horizontal air outlet unevenness of temperature may increase in the room Do not move the horizontal louver directly with hands otherwise a trouble is caused ING FI Select direction of the horizontal louver using switch on the remote controller The horizontal louver does not stop immediately even if the switch is pushe
161. me IPDU communication error Status All stop Error detection condition Communication of each IPDU P C board in inverter box interrupted Check item position e Check connection of communication connector and disconnection between IPDU and I F PC board e Check outdoor P C board I F IPDU Fan IPDU error e Check external noise Indoor unit Indoor TCJ sensor error Corresponding unit only stops Resistance value of sensor is infinite or zero Open Short e Check connection cabling of TCJ sensor connector Check characteristics of TCJ sensor resistance value e Check indoor PC board error Indoor unit Indoor TC2 sensor error Corresponding unit only stops Resistance value of sensor is infinite or zero Open Short e Check connection cabling of TC2 sensor connector e Check characteristics of TC2 sensor resistance value e Check indoor P C board error Indoor unit Indoor TC1 sensor error Corresponding unit only stops Resistance value of sensor is infinite or zero Open Short e Check connection cabling of TC1 sensor connector Check characteristics of TC1 sensor resistance val e Check indoor P C board error TD1 sensor error All stop Resistance value of sensor is in or zero Open Short inite e Check connection of TD1 sensor connector e Check characteristics of TD1 sensor resistance val e Check outdoor P C board I F error TD2 sensor
162. med from either indoor remote controller or outdoor interface PC board 1 Start Finish operation of test run O 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 4 In case of wired remote controller lt RBC AMT32E gt lt RBC AMS41E gt DON OFF TEMP ON OFF FAN MODE mg SCHEDULE FAN MODE Cr Ca Cet o C CS SAVE VENT PROGRAM DAY TIME SAVE VENT FILTER m a O O RESET TEST SWING FIX UNIT LOUVER FLT RESET TEST SET CL SWING FIX UNIT LOUVER CE eS O00 CG Procedure 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 e Do not use MODE button for other mode except COOL HEAT modes e The temperature cannot be adjusted during test run e 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 f Push TEST button to clear the TEST mode TEST display in the display part disappears and status becomes the normal stop
163. mote controller becomes available Approx 1 minute Power Remote Controller on flashes goes out is available Normal settings were made when the indoor unit was shipped from factory Change the indoor unit settings as required Use the wired remote controller to change the settings The settings cannot be changed using the wireless remote controller sub remote controller or remote controllerless system for central remote controller only Therefore install the wired remote controller to change the settings Remote Controller is available E Changing of settings of for applicable controls Basic procedure for changing settings Change the settings while the air conditioner is not working Be sure to stop the air conditioner before making settings The display content for setting differs from that on the former types of remote controller RBCAMT21E AMT31E The number of CODE NO has increased SAVE VENT SWINGFX UNT LOUVER 7 gt 15 2 Procedure 1 TEST Push button and TEMP D button simulta neously for at least 4 seconds After a while the display flashes as shown in the figure Confirm that the CODE No is 10 TEST e If the CODE No is not 10 push button to erase the display content and repeat the proce dure from the beginning No operation of the remote controller is accepted for a while after butto
164. mpting any electrical work Eccentric washer For hanging down unit Make sure all power switches are off Failure to do so may cause electric shock 5 E a Install the refrigerant pipe securely during the installation work before operating the air conditioner Hose band For connecting drain pipe If the air conditioner is operated with the valve open and without the refrigerant pipe the compressor sucks air and the refrigeration cycle is overpressurized which may cause a burst or injury Flexible hose D For adjusting center of drain pipe When moving the air conditioner for the installation into another place be very careful not to enter any gaseous matter other than the specified refrigerant into the refrigeration cycle If air or any other gas is mixed in the refrigerant the gas pressure in the refrigeration cycle becomes abnormally high and it resultingly causes pipe burst and injuries on persons For heat insulation of drain connecting section Heat insulator C Heat insulator Perform installation work properly according to the Installation Manual Inappropriate installation may result in water leakage electric shock or fire When the air conditioner is installed in a small room provide appropriate measures to ensure that the concentration of refrigerant leakage occur in the room does not exceed the critical level For sealing of wire connecting port Washer 0 For hanging down unit Install the air co
165. n 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 Item code 10 1 way Air Discharge Cassette Model abb name MMU AP2 4SH 0000 Not fixed Indoor unit capacity Item code 11 Setup data Invalid ari Model 4 way Air Discharge Cassette MMU APskk2H 2 way Air Discharge Cassette MMU APojeoisos 1 way Air Discharge Cassette Compact type MMU APojeoiors Concealed Duct Standard MMD APetotk Slim Duct MMD AP MMD AP Concealed Duct High Static Pressure MMD AP Under Ceiling MMC AP3 High Wall MMK A Parr H Floor Standing Cabinet Floor Standing Concealed Floor Standing Below 6HP Compact 4 way Air Discharge Cassette MMU AP2 4 kMH 007 type 048 type 056 type
166. n an indoor unit is operated for 8 hours or more daily clean the indoor unit and outdoor unit at least once every 3 months Ask a professional for this cleaning maintenance work Such maintenance can extend the life of the product though it involves the owner s expense Failure to clean the indoor and outdoor units regularly will result in poor performance freezing water leakage and even compressor failure This product incorporates a drain pump If it is used in a place full of dust or oil mist the pump will be clogged and proper drainage is disabled Clean the drain pump periodically For how to clean the drain pump contact the dealer 10 MAINTENANCE Maintenance List Heat exchanger Check visual auditory Dust dirt clogging scratches Maintenance Wash the heat exchanger when it is clogged Fan motor Sound Take appropriate measures when abnormal sound is generated Filter Dust dirt breakage Wash the filter with water when it is contaminated Replace it when it is damaged Fan Vibration balance Dust dirt appearance Replace the fan when vibration or balance is terrible Brush or wash the fan when it is contaminated Air inlet outlet grilles Dust dirt scratches Fix or replace them when they are deformed or damaged Drain pan Dust dirt clogging drain contamination Clean the drain pan and check the downward slope for smooth drainage Ornam
167. n for 4 seconds or more 2 SERVICE CHECK 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 In this time the temperature cannot be set up 4 To confirm the alarm history other than the latest one push temp set a J C v to select Item code 01 to 04 GROUP 5 To confirm the alarm in the other group push zone and _ 4_ gt _ to 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 button Unit No display Alarm display UNIT No A e Q D im o _ Alternate flashing display 7 I RC o i 91 E 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 9 2 How to Check Check code display list Indoor unit O Goes off O Goes on Flash 0 5 second Lamp indication Check code Cause of trouble occurrence Operation Timer Ready 0 0 0 Power supply OFF or miswiring between receiving unit and indoor unit No indication at all Operation Receiving error Receiving unit Miswiring or wire connection error Sending error NA A g between receiving unit and indoor unit Communi
168. n is pushed While air conditioners are operated under the group control Ali is displayed first When is pushed the indoor unit number displayed following Ai is the header unit CODE No MY Zt R C No SET DATA SETTING ka gt rm AA Display content varies with the indoor unit model Procedure 2 UNIT LOUVER Each time you push button indoor unit numbers in the control group change cyclically Select the indoor unit you want to change settings for The fan of the selected unit runs and the louvers start swinging You can confirm the indoor unit for which you want to change settings CODE No SET DATA US 2 Zk KK UNIT No 7 i gt U eer 1S Re No Procedure 3 Using TEMP O buttons specify CODE No Ax Procedure 4 Using timer TIME buttons select SET DATA 2 22 Procedure 5 SET Push button When the display changes from flashing to lit the setup is completed To change settings of another indoor unit repeat from Procedure 2 To change other settings of the selected indoor unit repeat from Procedure 3 Use button to clear the settings To make settings after button was pushed repeat from Procedure 2 Procedure 6 When settings have been completed push amp button to determine the settings When button is pushed flashes and then the display content
169. nal refrigerant R22 3 Tools commonly used for R410A and for conventional refrigerant R22 The table below shows the tools exclusive for 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 R410A air conditioner installation 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 Copper pipe gauge for adjusting projection margin Flaring by conventional flare tool Torque wrench Connection of flare nut Gauge manifold Charge hose Evacuating refrigerant charge run check etc Vacuum pump adapter Vacuum evacuating Electronic balance for refrigerant charging Refrigerant charge Refrigerant cylinder Refrigerant charge Leakage detector Gas leakage check O S O IO Charging cylinder Refrigerant charge Note 1 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
170. nditioner is active the indication of the timer function disappears and then appears again after about 5 seconds This is due to normal processing of the remote controller 26 4 8 INSTALLATION Installation place ZN CAUTION e Check that the air conditioner is not installed in a place subject to combustible gas leak Accumulation of combustible gas around the unit may cause a fire e Drain the dehumidified water from the indoor unit and outdoor unit to a well drained place e Do not put any obstacle near the air inlets and air outlet of the outdoor unit Doing so may hinder the radiation which may reduce the performance or activate the protective device Electrical wiring N WARNING e Be sure to connect earth wire grounding work Incomplete grounding cause an electric shock Do not connect ground wires to gas pipes water pipes lightning rods or ground wires for telephone wires AN CAUTION Make sure that a leakage breaker is connected Using the air conditioner without leakage breaker may cause electric shock Use a leakage breaker with an appropriate capacity Be sure to use the rated voltage and an exclusive circuit for power supply of the air conditioner Do not install the air conditioner in the following places e Do not install the air conditioner in any place within 1 m from a TV stereo or radio set If the unit is installed in such place noise transmitted from the air conditioner af
171. nditioner securely in a location where the base can sustain the weight adequately E Separate sold parts Perform the specified installation work to guard against an earthquake The Ceiling panel and remote controller are sold separately If the air conditioner is not installed appropriately accidents may occur due to the falling unit For the installation of these products follow the Installation Manuals supplied with them If refrigerant gas has leaked during the installation work ventilate the room immediately The wireless type remote controller is designed to be installed by attaching a wireless remote controller If the leaked refrigerant gas comes in contact with fire noxious gas may generate kit sold separately to the standard panel The wireless remote controller kit consists of a wireless remote controller and adjust corner caps with a receiver section After the installation work confirm that refrigerant gas does not leak If refrigerant gas leaks into the room and flows near a fire source such as a cooking range noxious gas might generate Electrical work must be performed by a qualified electrician in accordance with the Installation Manual Make sure the air conditioner uses an exclusive power supply An insufficient power supply capacity or inappropriate installation may cause fire Use the specified wires for wiring connect the terminals securely fix To prevent external forces applied to the terminals from affecting th
172. not received from central control device e Check central control device error e Check communication line error of central control device e Check setup of terminator resistor e Check the power of connecting destination connected device e Check PC board error of the connected device General purpose equipment VF General purpose controller control Interface batched alarm Operation continued Error was input in general purpose equipment control interface e Check error input Differs according to error contents of the with alarm TCC LINK Follower unit error of group control Operation continued An error occurred in follower unit of the group control P30 is displayed only on the central remote controller e Check the check code of the unit with alarm L20 is displayed Duplicated central control address Operation continued Central control addresses were duplicated Check the address setup 9 5 Sensor Characteristics Indoor Unit m Temperature sensor characteristics Characteristic 1 Indoor TA sensor 20 Resistance kQ 5 0 10 20 30 40 50 Temperature C 200 Characteristic 2 150 100 50 Resistance kQ 10 C or lower 0 30 20 10 O 10 20 30 40 50 60 70 80 90 Temperature C 106 100 Resistance kQ 10 C or higher Part name Suction grille 10 DETACHMENTS Procedure CAUTI
173. nt display Detected Check code Auxiliary code position Check code name No corresponding indoor unit during automatic address Status All stop Error detection condition Indoor unit is not found when indoor automatic address start was set up Check item position e Check the communication line connection between indoor and outdoor e Check the electric power line error in indoor Check the noise of surrounding devices e Power failure e Check indoor P C board error 00 Capacity over 01 to No of connected units No of connected indoor units Capacity over All stop Total capacity of indoor units exceeded 135 of total outdoor capacity No of connected indoor units are more than 48 units Note If this code appears after backup setup of outdoor unit trouble set up No capacity over detection lt Setup method of No capacity over detection gt Turn on SWO9 Bit 2 on I F P C board of outdoor header unit Check the connection capacity of indoor unit e Check the HP capacity of indoor unit e Check the indoor outdoor capacity setup e Check the No of connected indoor units e Check the outdoor I F P C board error Communication error between indoor header and follower units Corresponding unit only stops Regular communication between indoor header and follower units Check cable of the remote controller Check power cabling of indoor e
174. ntinues operation If the manager has fixed the setting to COOL or HEAT other operation than set up one cannot be performed When other operation than set up one is performed on the display is lit and the operation stops Characteristics of heating operation for Heat pump model only e Hot air is not out immediately after the operation has started After 3 to 5 minutes differs according to room or outside temperature has passed and the indoor heat exchanger has been warmed up hot air blows out During operation the outdoor unit may stop if outside temperature becomes high When other outdoor unit performs heating operation while the fan is operating the fan operation may be stopped temporarily to prevent blowing of hot air Air conditioner operating conditions For proper performance operate the air conditioner under the following temperature conditions Outdoor temperature 5 C to 43 C Dry bulb temp Room temperature 21 C to 32 C Dry bulb temp 15 C to 24 C Wet bulb temp CAUTION Room relative humidity less than 80 If the air conditioner operates in excess of this figure the surface of the air conditioner may cause dewing Outdoor temperature 15 C to 15 5 C Wet bulb temp Room temperature 15 C to 28 C Dry bulb temp Cooling operation Heating operation If air conditioner is used outside of the above conditions safety protection may operate 30 4 11 When t
175. nual attached to the outdoor unit Flaring e Cut the pipe with a pipe cutter Remove burrs completely Remaining burrs may cause gas leakage e Insert a flare nut into the pipe and flare the pipe As the flaring sizes of R410A differ from those of refrigerant R22 the flare tools newly manufactured for R410A are recommended However the conventional tools can be used by adjusting projection margin of the copper pipe Projection margin in flaring B Unit mm Rigid Clutch type ZA Vai R410A tool used Conventional tool used Outer dia of copper pipe R410A R410A 6 4 9 5 0 to 0 5 1 0 to 1 5 Flaring dia meter size A Unit mm Outer dia of copper pipe In case of flaring for R410A with the conventional flare tool pull it out approx 0 5 mm more than that for R22 to adjust to the specified flare size The copper pipe gauge is useful for adjusting projection margin size or 6 REFRIGERANT PIPING AND EVACUATING Tightening connection Z CAUTION Do not apply excessive torque Otherwise the nut may crack depending on the conditions Unit Nem Outer dia of copper pipe Tightening torque 6 4 mm dia 14 to 18 1 4 to 1 8 kgf m 9 5 mm dia 33 to 42 3 3 to 4 2 kgfem 12 7 mm dia 50 to 62 5 0 to 6 2 kgfem 15 9 mm dia 68 to 82 6 8 to 8 2 kgfem Tightening torque of flare pipe connecti
176. o 2000m 2 0 mm2 Up to 1000m 1 25 mm Central control line wiring 2 core shield wire Wire size Up to 2000m 2 0 mm Remote controller wiring e 2 core with non polarity wire is used for wiring of the remote controller wiring and group remote controllers wiring Remote controller wiring remote controller inter unit wiring Wire size 0 5mm to 2 0mm In case of wired type only Up to 500m Total wire length of remote controller wiring and remote controller inter unit wiring L L1 L2 Ln In case of wireless type included Up to 400m Total wire length of remote controller inter unit wiring L1 L2 Ln Up to 200m A CAUTION The remote controller wire Communication line and AC220 240V wires cannot be parallel to contact each other and cannot be stored in the same conduits If doing so a trouble may be caused on the control system due to noise etc Remote controller ss L1 L2 Ln Rta Remote controller inter unit wiring Max 8 units m Wire connection REQUIREMENT Be sure to connect the wires matching the terminal numbers Incorrect connection causes a trouble Be sure to pass the wires through the bushing of wiring connection port of the indoor unit Keep a margin Approx 100mm on a wire to hang down the electric parts box at servicing etc e The low voltage circuit is provided for the remote controller Do not connect the high voltage circuit Make a loop
177. on kit TCB BC1602UE TCB BC1602UE TCB BC1602UE Auxiliary fresh air flange TCB FF101URE2 TCB FF101URE2 TCB FF101URE2 1 Cooling heating capacity is based on single connection operation with standard piping length under Japanese Industrial Standard B 8615 Condition 1 2 Remote controller and ceiling panel are sold separately 10 Model name MMU AP0362H MMU AP0482H MMU AP0562H Cooling capacity 11 2 14 0 16 0 Heating capacity 12 5 16 0 18 0 Electrical charastaristics Power supply 1 phase 50Hz 230V 220V 240V 1 phase 60Hz 220V Separate power supply for indoor units is required Running current 0 73 0 76 0 88 0 92 0 88 0 92 Power consumption 0 088 0 088 0 112 0 112 0 112 0 112 Starting current 0 87 0 87 1 23 1 23 1 26 1 26 Appearance Heat i nsulating material att ached Zinc hot dipping steel plate Outer dimension 319 840 840 Total weight 25 Heat exchanger Finned tube Soundproof Heat insulating material Non flammable insulation Fan unit Fan Turbo fan Standard air flow M L 1970 1430 1070 2130 1430 1130 2130 1520 1230 Motor 68 72 72 Air filter Standard filter Long life f ilter Controller Remote controller Connecting pipe Gas side
178. ons Pressure of R410A is higher than that of R22 Approx 1 6 times Therefore using a torque wrench tighten the flare pipe connecting sections which connect the indoor and outdoor units of the specified tightening torque Incorrect connections may cause not only a gas leak but also a trouble of the refrigeration cycle Align the centers of the connecting pipes and tighten the flare nut as far as possible with your fingers Then tighten the nut with a spanner and torque wrench as shown in the figure Work using double spanner REQUIREMENT Tightening with an excessive torque may crack the nut depending on installation conditions Tighten the nut within the specified tightening torque Piping with outdoor unit Shape of valve differs according to the outdoor unit For details of installation refer to the Installation Manual of the outdoor unit E Airtight test Air purge etc For airtight test air purge addition of refrigerant and gas leak check refer to the Installation Manual attached to the outdoor unit REQUIREMENT Do not supply power to the indoor unit until the airtight test and vacuuming are completed If the indoor unit is powered on the pulse motor valve is fully closed which extends the time for vacuuming Open the valve fully Open the valve of the outdoor unit fully For details refer to the Installation Manual attached to the outdoor unit Thermal insulation process Apply therm
179. oor unit in the stand by indoor unit sound of flowing refrigerant Kyururu or Shaa may be heard or white steam when other indoor unit operates in HEAT mode and cold air in COOL mode may be blow out When power of the air conditioner is turned Sound is generated when the expansion valve operates when power on Ticktock sound is heard has been turned on Fan and louvers of the indoor unit moves Intermittent operation of the fan with louvers open is sometimes when the unit is not operated carried out for the refrigerant recovery control of unoperated unit It is not a failure Operates or stops automatically Is the timer ON or OFF Does not operate Is it a power failure Is the power switch turned off Is the power fuse or breaker blown Has the protective device operated The operation lamp goes on Is the timer ON The operation lamp goes on Are COOL and HEAT selected simultaneously indication is lit on the display of the remote controller Is the air inlet or air outlet of the outdoor unit obstructed Are any door or window open Is the air filter clogged with dust Is discharge louver of the indoor unit set at appropriate position Is air selection set to LOW MED and is the operation mode set to FAN Is the setup temp the appropriate temperature Are COOL and HEAT selected simultaneously indication is lit on the display of
180. or e Check low pressure Ps sensor error e Check indoor air filter clogging e Check valve open of indoor PMV Check refrigerant pipe clogging Check outdoor fan operation All heating mainly heating part cooling operation e Check refrigerant shortage Protection for oil level drop detection All stop The operating compressor detected oil shortage continuously for 2 hours lt Check all the outdoor units in the corresponding line gt e Check full opening of service valve of balance pipe Check connection and installation of TK1 TK2 TK3 and TK4 sensors e Check characteristics of TK1 TK2 TK3 and TK4 resistance values Check gas leak and oil leak in the same line Check refrigerant stagnation in compressor e Check error of SV3A SV3B SV3C SV3D and SV3E valves Check clogging of oil separator oil return circuit e Check clogging of oil equation circuit 01 TK1 sensor error 02 TK2 sensor error 03 TK3 sensor error 04 TK4 sensor error Oil level detective temp sensor error Resistance value of sensor is infinite or zero Open Short Check connection of TK1 sensor connector e Check characteristics of TK1 sensor resistance val e Check outdoor PC board I F error Resistance value of sensor is infinite or zero Open Short Check connection of TK2 sensor connector e Check characteristics of TK2 sensor resistance val e Check outdoor PC board I F error
181. or unit COOL Ts Setup temp Ta Room temp Automatic cooling heating control 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 ce Cooling 1 5 Tsc Cooling ON ae Cooling OFF 1 5 Lao 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 53 For SHRM only Tsc Setup temp in cooling operation Tsh Setup temp in heating operation temp correction of room temp control Outline of specifications Remarks Air speed 1 Operation with HH H L or AUTO mode is carried HH gt H gt H gt L gt L gt UL selection 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 lt COOL gt Ta C lt gt Indicate automatic cooling Controlling operation in case when thermo of remote Code No 32 controller works is same as a case when thermo of 0000 Body thermo Main unit the body works 0001 Remote controller
182. order to prevent waving Set downward grading immediately after raising f up vertically Set the collective piping as shown in the below figure O e Be sure not to apply force to the connecting part As long as possible 10cm f T of the drain pipe VP25 VP25 VP25 2 a 7 gt N 2 2 The hard vinyl chloride pipe cannot be directly connected gt H a os Bs to the drain pipe connecting port of the indoor unit z S Ze 8 Tool for For connection with the drain pipe connecting port VP30 or more Downward slope f ce 3 Pouring water be sure to use fix the attached flexible hose with the hose bana 1 100 or more 4 E ay insert tho hose end Ae f 7 wi gt e heat exchanger an e drain pan otherwise a damage or water leak is caused on the drain pipe connecting port B Bottle EE and then bend the hose downward pi A A Align the attached hose band to the end of hose S J Water 1500cc to 2000cc Drain pipe connecting por roda pit set the tightening position upward and then tighten it or 2 Attached hose band Drain pipe connecting port VP25 vinyl chloride pipe 300mm or less 2 Attached flexible hose Transparent To be local procure After the electric work has finished pour water z Gece during COOL mode operation z eT PT E i e Indoor unit If the electric work has not yet finished pull out O LY yyy a ey HA Ed P A E e HHH 7 Underside of ceiling the float switch connector CN34 Red from the PANA Socket for VP25 3 7
183. ority indoor unit O O Duplicated priority indoor units Displayed in except priority indoor When there were multiple priority indoor units against not priority indoor unit Unset indoor group address There was indoor unit that indoor group address was not set Detected at indoor unit side also Unset outdoor capacity When capacity of outdoor unit was not set Replace service P C board Flow selector unit system error COOL HEAT cycle error due to mispiping was detected O 0 0 O O O o0ojJO o o0j0 o No of connected outdoor units over No of connected outdoor units was over 4 A3 IPDU1 error A3 IPDU2 error A3 IPDU1 2 error Fan IPDU error A3 IPDU1 fan IPDU error A3 IPDU2 fan IPDU error All IPDU error O O No of IPDU units error When No of IPDU P C board was little in the inverter box Detected indoor unit No External error input in indoor unit Interlock There was indoor unit which stopped abnormally due to external error input in 1 line B Indoor unit detected Outdoor discharge TD1 temp error When high temp error was detected by discharge temp sensor TD1 01 Detection of open phase 02 Negative phase error Detection of open phase Negative phase error Open phase Negative phase error was detected when power was supplied 01 Compressor 1 side 02 Compressor 2 side
184. ormed Case 2 The EEPROM before replacement is defective and the setting data cannot be read out Replacement of PC board for indoor unit servicing and power on 2 Refer to page 119 y 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 120 4 Power reset for all indoor units connected to the remote controller when the group operation control is performed 118 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 5 and B 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 17 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 aci 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 to 4 by pushing CD GC buttons 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 CO D buttons
185. ousing 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 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 mount the electric parts box cover and the suction grille as before 109 Remarks Louver motor wiring Square hole of indoor unit Panel fixing screw ES Electric parts box Louver motor wiring Tentative bracket Ceiling panel Square hole of indoor unit Push in case gt of removing Tentative bracket Square hole of indoor unit nal fixing screw Inner side y Panel fixing re Sliding direction Outer side Part name Procedure Remarks
186. ouver are on 1 TEST Push the timer time button WM simultaneously for 4 seconds or more First line 1 and item code AZ Address Change are displayed Select outdoor unit 4 UNIT_LOUVER SWING FIX Select line address using button 4 Determine the selected line address using 3 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 button the indoor unit No in the identical piping is displayed one after the other e 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 TEST Push amp button and then the procedure finishes TIMER SET FAN MODE Co0 0X CB TIME SAVE VENT mM CSE Ca SET CL SWING FIX UNIT LOUVER O Oy CE e FILTER RESET TEST a El lt Operation procedure gt 1 gt 2 gt 3 gt 4 56 END 6 79 m How to change all indoor addresses from an arbitrary 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 O Enter in addre
187. overy operation is usually performed every 2 hours Recovery control for heating refrigerant Oil 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 2 3 opening degree Detects temperature of TC2 and then closes PMV 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 Remarks e The indoor unit which is under thermo OFF COOL status or which operates in FAN mode stops the indoor fan and displays READY e Recovery operation is usually performed every 1 hour Compensation control for short intermittent operation For 3 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 Usually the priority is given to 5 minutes at outdoor controller side Drain pump control In cooling operation including DRY operation this control anytime operates the drain pump During operation of the drain pump if the float switch operates the drain pump continuously operates and
188. prevent damage of the indoor units and human injury Do not put a heavy article on the indoor unit Even units are packaged e Carry in the indoor unit as it is packaged if possible If carrying in the indoor unit unpacked by necessity be sure to use buffering cloth etc to not damage the unit To move the indoor unit hold the hooking metals 4 positions only Do not apply force to the other parts refrigerant pipe drain pan foamed parts or resin parts etc e Carry the package by two or more persons and do not bundle it with plastic band at positions other than specified m External view Unit mm Ceiling bottom surface 162 Refrigerant pipe Ceiling bottom connecting port surface Knockout square hole i for divide duct 8150 108 ALEA Liquid B 840 Unit external dimension Electric parts box Take in port f wires Knockout square hole A 7 2 for divide duct 8150 408 Refrigerant pipe lt AE OEE A E ER A 7 connecting port if Gas C O 780 Hanging bolt pitch 950 Panel external dimension 269 860 to 910 Ceiling opening dimension y Drain pipe Connecting port 690 20 Hanging bolt pitch 860 to 910 Ceiling opening dimension 950 Panel external dimension Knockout square hole C iling Bott for divide duct 150 woo surface Hanging bolt M10 or 3 8 To be procured
189. r cannot be connected to the simple wired remote controller 64 Power supply l l Outdoor unit Power supply l l Outdoor unit S9 DC fan output CN333 White CN40 Blue Remote controller CN41 Blue DC20V Indoor Outdoor communication Shared with communication of central control system Power supply LED Optional power supply CN309 Yellow AC200V D403 Red DC fan return CN334 White Power supply CN67 Black AC220 240 Indoor Outdoor central control communication LED D503 Yellow PMV output CN82 Blue DC12V Output for FS CN81 Black of remote controller unit DC12V CHK CN71 White DC5V External error input HA T10 CNBI Yellow DC12V e DISP Louver CN510 White DC12V CN72 White DC5V EXCT Remote controller communication LED D504 Green Optional output CN6O0 White DC12V Power supply LED of microprocessor D501 Red Fan drive CN32 White DC12V High ceiling select SW SW501 TC2 sensor CN101 Black DC5V TA sensor CN 104 Yellow DC5V TCJ sensor CN102 Red DC5V TC1 sensor CN100 Brown DC5V Float SW CN34 Red DC12V Filter CN70 White DC5V Drain pump CN504 White DC12V CN73 Red DC5V CN80 Green DC12V OZS1 DOIN p180q O d 100pU Z Z 7 3 Functions at test run m Cooling Heating test run check The test run for cooling heating can be perfor
190. r operation is available again The CODE No DN are ranged from 8 to FF The CODE No DN is not limited to be serial No Even after modifying the data wrongly and pushing button it is possible to return to the data before modification by pushing button if the CODE No DN is not changed lt Fig 3 EEPROM layout diagram gt The 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 _ lt Cut out IC socket Cut out EEPROM lt Fig 3 gt 121 lt Make a note of the setup contents Item code 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 0099 Not determined Indoor unit address 0099 Not determined Group address 0099 Not determined Louver type wind direction adjustment Depending o
191. r unit 9 3 Troubleshooting by Check Display on Remote Controller E In case of wired remote controller RBC AMT32E 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 Y i F 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 TEMP DON OFF 2 Confirmation of error history 2 When a trouble occurred on the air conditioner FAN MODE the error history can be confirmed with the C gt C Ba following procedure elegi Ca Up to 4 error histories are stored in memory PI CEN This history can be confirmed from either operating status or stop status 3 Procedure Description When pushing O and A buttons simultaneously for 4 seconds or more the below display appears If 4 Service Check is displayed the mode enters in the error history mode e 01 Error history order is displayed in CODE No window e Check Code is displayed in check code window e Indoor unit address with error is displayed in UNIT No Every pushing temp set Cy GD buttons the error histories stored in the memory are displayed in order The numbers in CODE No indicates CODE No
192. ration push ON OFF button again Fan rotation of stopped unit While other indoor units operate the fan on indoor units on stand by rotates to protect the machine once per approx 1 hour for several minutes Protective device High pressure switch The high pressure switch stops the air conditioner automatically when excessive load is applied to the air conditioner If the protective device works the operation lamp keeps lit but the operation stops When the protective device works AN in the remote controller display part flash The protective device may work in the following cases lt Cooling operation gt e When the air inlet or air outlet of the outdoor unit is blocked When strong wind blows continuously against the air outlet of the outdoor unit lt Heating operation gt When dust or dirt is excessively adhered to air filter of the indoor unit When the air outlet of the indoor unit is blocked Cooling heating operation of Modular Multi system air conditioner e In Modular Multi system air conditioner each indoor unit can be individually controlled However cooling operation and heating operation cannot be performed concurrently for the indoor units which are connected to one outdoor unit When cooling operation and heating operation are performed concurrently the indoor unit which is performing cooling operation stops and on the display is lit The indoor unit which is performing heating operation co
193. rk Part name Fan motor 1 Procedure Detachment 1 Carry out work of item 1 of 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 3P Brown CN101 TC2 sensor 2P Black CN102 TCJ sensor 2P Red CN104 Room temp Sensor 2P Yellow CN333 Fan motor power supply 5P 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 2 3 Remove the fixing screws A and B and then remove the electric parts box Fixing screw A 4 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 4 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 4 x 8 2 pcs 9 Cut the bundling band and then remove it from the clamp 10 Remove the fixing nut and then remove the fan motor 6 nut 3 pcs Attachment 1 Fix the parts as before in order of fan motor motor lead
194. roup existed in the individual indoor units e Check indoor address Indoor Indoor group address unset Corresponding unit only stops Address was not yet set up e Check indoor address Note After installation this code is displayed when the power is firstly turned on Indoor capacity unset Corresponding unit only stops Indoor unit capacity was unset Set up indoor capacity DN 11 Outdoor capacity unset All stop On the I F PC board for service jumper line was not cut according to the model Check model setup on outdoor I F PC board A ssy for service Inconsistent models of outdoor units When outdoor unit models are intermingled When 1 2 series of SHRM was intermingled e Check outdoor units Corresponding indoor address FS unit system error Corresponding unit only stops An indoor unit which is not connected with FS unit is driving without setup for cooling only mode e Check setup of remote controller DN OFF e Check FS unit Check pipe connection to FS unit Mispiping between discharge gas and suction gas Check miswiring misinstallation of SVS SVD valves TCC Link Indoor Duplicated central control addresses Duplicated central control addresses e Check central control address e Check network adaptor P C board In case of TCC Link VF Quantity over of connected outdoor units There were more than four outdoor units Chec
195. ry Multi type models Indoor unit MMX APXXX Outdoor unit MMY MAPXXXFT8X Mini S MMS Multi type models Indoor unit MMX APXXX Outdoor unit MCY MAPXXXHT MCY MAPXXXHT2X 2 Required tools measuring devices e 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 e Is not delayed for 3 minutes 3 minutes after compressor OFF e Is not thermostat OFF e Is not the fan operating or timer e Is 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 Is not the cold draft prevention being controlled in heating operation Outdoor fan does not rotate or Is not low cooling operation being controlled fan speed changes Is not a defrost operation being performed Indoor fan does not stop Is 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 ae Is connecting wire of indoor unit or remote controller correct 2 Troubleshooting procedure When a trouble occurred advance
196. se an electrical fire or smoke Be sure to install an earth leakage breaker that is not tripped by shock waves If an earth leakage breaker is not installed an electric shock may be caused Be sure to use the cord clamps attached to the product Do not damage or scratch the conductive core and inner insulator of power and inter connecting wires when peeling them Use the power cord and Inter connecting wire of specified thickness type and protective devices required Never connect 220 240V power to the terminal blocks O 6 etc for control wiring Otherwise the system will fail REQUIREMENT For power supply wiring strictly conform to the Local Regulation in each country For wiring of power supply of the outdoor units follow the Installation Manual of each outdoor unit Perform the electric wiring so that it does not come to contact with the high temperature part of the pipe The coating may melt resulting in an accident After connecting wires to the terminal blocks provide a trap and fix wires with the cord clamp Run the refrigerant piping line and control wiring line in the same line Do not turn on the power of the indoor unit until vacuuming of the refrigerant pipes completes E Power supply wire and communication wires specifications Power supply wire and communication wires are procured locally For the power supply specifications follow to the table below If capacity is l
197. si i i i ion Heat insulator pay ey eee more Mp J Max inside the indoor unit which may cause a malfunction 90 Bend E Drain up REQUIREMENT When a down gradient cannot be secured for the A A AAN es tat A H leat exchanger Be sure to perform heat insulation of the drain pipes of the indoor unit dralapips drain up piping possible Never forget to perform heat insulation of the connecting part with the indoor unit 1 5m to 2m The height of the drain pipe must be 850 mm or i h Support bracke less from the bottom of the ceiling Float switch An incomplete heat insulation causes dew droping eS AS connector 3P e Set the drain pipe with downward slope 1 100 or more and do not se pe g Take me drain pipe g t of the drain pipe joint with Drain pan ONS red make swelling or trap on the piping It may cause an abnormal sound ioio the indoor unit in 300 mm or less and bend up E P Heat insulator more downward the pipe vertically Power supply wiring Immediately after the pipe is bent up vertically lay the pipe making a down gradient For length of the traversing drain pipe restrict to 20m or less In case of a long pipe provide support brackets with interval of 1 5 to 2m in
198. sor Lead wire length 310 mm Vinyl tube TC1 sensor 4 size lead wire length 1200 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 Fan motor MDP 1401 MMU AP0362H AP0482H ICF 280 150 1 AP0562H Motor for horizontal grille MP24ZN3N Pulse motor EDM MD12TF 3 Pulse motor valve EDM B60YGTF 1 TA sensor Lead wire length 310 mm Vinyl tube TC1 sensor 4 size lead wire length 1200 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 103 Drain pump motor MDP 1401 4 2 Name of Each Part Air outlet Louver Change the direction of the air to be discharged according to cool heat mode Air inlet The air in the room is sucked in from this port Knob Knob to open close the air inlet grille Earth screw Provided in the electric parts box 17 4 3 Parts Name of Remote Controller m Display section In the display example all indicators are displayed for the explanation Display In reality only the selected contents are indicated section e When turning on the main power switch and leak breaker at the first tim
199. ss check change mode and then change the address lt Procedure gt Carry out this procedure during stop of system 1 TEST Push the timer time button V simultaneously for 4 seconds or more First line 1 and item code A Address Change are displayed 4 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 m button push up down the indoor address of the SET DATA The set data is changed to a new address SET Push button to determine the set data 4 UNIT LOUVER Every pushing 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 6to change all the UNIT LOUVER SWING FIX indoor addresses so that they are not duplicated 4 SET Push button All the indications of LCD go on y Push A button and then the procedure finishes 80 button D TIMER SET SO E lot VENT c FILTER RESET TEST SET CL UNIT LOUVER Cancel of line selection If the UNIT No is not call up here the outdoor unit in that line does not exist Push O button to select a line again in the Proced
200. st run After confirming a signal receiving sound beep immediately set the temperature to 29 C with the temp setup buttons Heating test run After confirming a signal receiving sound beep immediately set the temperature to 18 C with the temp setup buttons Procedure 6 Repeat procedures 4 gt 5 gt 4 gt 5 After confirming a signal receiving sound beep immediately set the temperature to 30 C with the temp setup buttons Indicators Operation green Timer green and Ready orange in the wireless receiver section flash in approx 10 seconds and the air conditioner starts operation If any of these indicators does not flash repeat Procedures 3to 5 Procedure 7 Upon completion of the test run push ON OFF button to stop operation lt Overview of test run operations using the wireless remote controller gt Cooling test run ON OFF gt 18 C gt 19 C gt 18 C gt 19 C gt 18 C gt 19 C gt 18 gt test run gt ON OFF Heating test run ON OFF gt 30 C gt 29 C gt 30 C gt 29 gt 30 C gt 29 C gt 30 gt test run gt ON OFF Always select 3 HIGH air volume Lv 10 MAINTENANCE Use a vacuum cleaner to remove dust A CAUTION from the filters or wash them with water Before maintenance be sure to turn off the After rinsing the air filters with water dry them in the leakage breaker shade
201. tandard Connected to other ae amount is charged and an abnormal high pressure is terminal units applied to the inside of the refrigerating cycle resulted in cause of breakage or injury 4mm hexagonal wrench is required 1 Set the equipment so that liquid refrigerant can be charged 2 When using a cylinder with siphon pipe liquid can be charged without inversing the cylinder Cylinder with siphon Cylinder without siphon Gauge manifold Gauge manifold OUTDOOR unit OUTDOOR unit Japu Ao Refrigerant jueJaBiiJoy cylinder R410A refrigerant is consisted with HFC mixed refrigerant Therefore if the refrigerant gas is charged the composition of the charged refrigerant changes and characteristics of the equipment changes Electronic balance Electronic balance 6 Environment Use Vacuum pump method for an air purge Discharge of air in the connecting pipe in installation time e Do not discharge flon gas into the air to protect the earth environment e Using the vacuum pump method clear the remained air Nitrogen etc in the unit If the air remains the pressure in the refrigerating cycle becomes abnormally high and an injury and others are caused due to burst 1 SPECIFICATIONS 1 1 Indoor Unit Model name MMU AP0092H MMU AP0122H Cooling capacity 2 8 3 6 Heating capacity 3 2 4 0 1phase 50Hz 230V 220V 240V 1phase 60Hz 220V Separate power supply for in
202. tart swinging 1 Push set the louver adjustment plate of up down wind direction direction to the lowest position and then push again SWING e is displayed and the up down wind direction is automatically selected Display during swinging y m How to stop swinging 1 Push at a desired position while the louver is swinging SWING FIX e When is pushed after that wind direction can be set again from the highest position SWING FIX However even if is pushed while the louver is swinging the louver position is displayed as follows and highest position of the louver may not be selected Display when swinging is stopped FAN HEAT COOL DRY s operation operation SWING FIX In this case push again two seconds later e In COOL DRY operation the louver does not stop as it directs downward If stopping the louver as it directs downward during swing operation it stops after moving to the third position from the highest position Display when stopping the swing yo yo FAN HEAT e COOL DRY operation operation Unit select button 24 When multiple indoor units are controlled with one remote controller wind direction can be set for each indoor unit by selecting individually To set wind direction individually push e button to display an indoor unit number in the control group Then set the wind direction of the displayed indoor unit When no indoor unit number is displayed all indoor
203. the list Check code AI NET Artificial In SIM Simultaneous Wireless remote controller controller Main remote Outdoor 7 segment display AI NET central control Sensor block display of receiving unit display Auxiliary code display Operation Timer Ready Flash elligence IPDU Intelligent Power Drive Unit O Lighting Flashing e Goes off ALT Flashing is alternately when there are two flashing LED Check code name flashing when there are two flashing LED Judging device Check code Wireless remote controller Main remote controller display Outdoor 7 segment display Auxiliary code AI NET central control display Sensor block display of receiving unit Operation Timer Ready Flash Check code name Judging device F01 OF ALT Indoor TCJ sensor error Indoor Fo2 Od ALT Indoor TC2 sensor error Indoor F03 93 ALT Indoor TC1 sensor error Indoor F04 19 ALT TD1 sensor error VF F05 Al ALT TD2 sensor error VF F06 18 ALT TE1 sensor error VF F07 18 ALT TL sensor error VF F08 1b ALT TO sensor error VF F10 oc ALT Indoor TA sensor error Indoor F12 A2 ALT TS1 sensor error VF F13 01 Comp 1 side 02 Comp 2 side 43 ALT TH sensor error IPDU Fis 18 ALT Outdoor temp sensor
204. the remote controller Check again N CAUTION If any of the following conditions occur turn off the main power supply switch and immediately contact the dealer e Switch operation does not work properly e The main power fuse often blows out or the circuit breaker is often activated A foreign matter or water fall inside the air conditioner When the air conditioner does not operate even after the cause of the protective device activation has been removed The operation lamp and 4 on the remote controller are flashing Any other unusual conditions are observed 31 Confirmation and check When a trouble occurred in the air conditioner the check code and the indoor unit No appear on the display part of the remote controller The check code is only displayed during the operation If the display disappears operate the air conditioner according to the following Confirmation of error history for confirmation Check code Indoor unit No in which an error occurred Confirmation of error history When a trouble occurred on the air conditioner the trouble history can be confirmed with the following 2 procedure The trouble history is stored in memory up to 4 troubles The history can be confirmed from both operating status and stop status DON OFF o FAN MODE Cr C SAVE VENT 6 Ca SWING FIX UNIT LOUVER FILTER RESET TEST
205. ting conditions or may cause poor drainage of dehumidified water If you do not plan to use the unit for more than 1 month 1 Operate the fan for 3 to 4 hours to dry inside the unit Operate FAN mode 2 Stop the air conditioner and turn off the main power switch or the circuit breaker Checks before operation 1 Check that the air filters are installed 2 Check that the air outlet or inlet is not blocked 3 Turn on the main power switch or the circuit breaker for the main power supply to the air conditioner 28 NOTE For environmental conservation it is strongly recommended that the indoor and outdoor units of the air conditioner in use be cleaned and maintained regularly to ensure efficient operation of the air conditioner When the air conditioner is operated for a long time periodic maintenance once a year is recommended Furthermore regularly check the outdoor unit for rust and scratches and remove them or apply rustproof treatment if necessary As a general rule when an indoor unit is operated for 8 hours or more daily clean the indoor unit and outdoor unit at least once every 3 months Ask a professional for this cleaning maintenance work Such maintenance can extend the life of the product though it involves the owner s expense Failure to clean the indoor and outdoor units regularly will result in poor performance freezing water leakage and even compressor failure Maintenance List
206. tions 1 TC1 gt 12 C and TC2 gt 12 C and TCJ gt 12 C 2 20 minutes passed after stop Tc TC2 TCJ P1 10 5 C 10 C Q1 0 C 14 C 2 In all cooling operation the air conditioner operates as described below based upon temp detected by TC2 and TCJ sensors e When M zone is detected for 45 minutes the thermostat is forcedly off e In N zone the timer count is interrupted and held e When shifting to M zone again the timer count restarts and continues If L zone is detected the timer is cleared and the operation returns to normal operation Reset conditions 1 TC1 gt 12 C and TC2 gt 12 C and TCJ gt 12 C 2 20 minutes passed after stop EC P2 rea Q2 P2 5 Q2 2 0 C Remarks TC1 Temperature of indoor heat exchanger sensor value When the power supply is turned on the Forced thermo becomes OFF if the temperature is less than this indicated temperature In a Model without TC2 TC2 is not judged 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 with a constant opening degree 2 Operates the drain pump for approx 1 minute during recovery control and after finish of control 56 e Rec
207. ung 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 gt 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 gt direction to remove it 2 Attachment 1 Insert the drain cap inside turn it to CLOSE gt direction until the position where Clashed sound is heard and it cannot be turned more over Position where A 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 gt direction and then attach it using the fixing screw as original 3 Following to work of item 2 of mount the suction grille as before 111 Remarks Drain cap outside Drain cap fixing screws Drain cap inside Drain cap A mark Drain pan A ma
208. units in the control group can be controlled simultaneously Each time you push eo button the display changes as follows i Unit No 1 1 Unit No 1 2 Unit No 1 3 No display lt Unit No 1 4 4 4 way Air Discharge Cassette Type 3 Determine wind direction of the selected 2H series only louver by pushing f eS e Each time you push the button the display 3 changes as follows oo 1 2 3 4 D _ DP POP MODE 2 lt p o A gt N a VENT 7 6 5 RESET TEST SWING FIX UNIT LOUVER y e y a p s N gt Ne During COOL DRY mode 4 and 5 are not displayed 1 2 way Air Discharge Cassette 1 way Air E How to set louver wind direction individually Discharge Cassette Type 1 YH series 1 Select an indoor unit to be set by pushing TEMP DON OFF e o left side of the button during operation l DO E The indoor unit number changes each time you FAN MODE push the button CD C gt SAVE VENT CS CH FILTER RESET TEST OJO SWING FIX UNIT LOUVER i Unit No 1 1 Unit No 1 2 p Unit No 1 3 No display lt Unit No 1 4 _l When no unit number is displayed all indoor units are selected 1 2 3 2 Select a louver you want to adjust change Unit No 1 1 gt Unit No 1 2 p Unit No 1 3 by pushing gt right side of the button Each time you push the button the display on the No splay lt E UNE Nets left of the remote control
209. ure 2 TIMER SET FAN MODE SN E CHD TIME SAVE VENT FILTER RESET TEST SET CL SWING FIX UNIT LOUVER ae Cs Ce pinsh e 6 When you want to 5 complete the setting 7 lt Operation procedure gt 6 gt 7 gt 8 END 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 lt Method gt 1 2 TEST Push buttons simultaneously for 4 seconds or more to change the mode to service monitor mode Push 5 button to set the item code to FF The display of A part in the following figure is counted as 0005 gt GU04 gt 6007 gode gt 000 1 gt OOOO with 5 seconds interval When 22 appear the error was cleared However counting from 4 25 is repeated on the display screen TEST When pushing button the status becomes normal CODE No v 7w DON OFF D o 2 FAN MODE D C D SAVE VENT ies CS Ce RESET TEST SWING FIX UNIT LOUVER DD EI lt Operation procedure gt 1 gt 2 gt 3 gt 4 Returns to normal status How to clear error of
210. uxiliary code display Operation Timer Ready Flash P01 11 ALT Indoor fan motor error Indoor P03 1E ALT Discharge temp TD1 error VF 21 P04 He Comp 1 side ALT High pressure SW system operation IPDU Comp 2 side Pos 01 Phase missing detection AF 02 Phase error ALT Phase missing detection Phase error VF 01 Comp 1 side P07 02 IC Comp 2 side ALT Heat sink overheat error IPDU I F P10 Detected indoor address Ob P12 P13 ALT Indoor overflow error Indoor 11 47 ALT Indoor fan motor error Indoor ALT Outdoor liquid back detection error VF 01 TS conditio P15 02 TD condition AE ALT Gas leak detection VF P17 bb ALT Discharge temp TD2 error VF P19 Detected outdoor unit number 08 P20 22 ALT 4 way valve inverse error VF aaa a eee nja ajae oe naa o jo ojoon anma a aauajajaja jay ALT High pressure protective operation VF IGBT short Fan motor position detective circuit error 3 Fan motor trouble C TH sensor temp error Heat sink overheat D TH sensor error E Vdc output error Outdoor fan IPDU error a a or gomp a side a a G TR short protection error IPDU ol ome l sde a Oo a Comp position detective circuit system error IPDU a O a Other indoor unit error Group terminal unit error Indoor By alarm device Error in indoor group AI NET AI NET communication system error
211. ve No of IPDU Indoor unit outside interlock error Outdoor unit EEPROM error 93 E Others Except check code Lamp indication Check code Cause of trouble occurrence Operation Timer Ready xi O During test run Ts Simultaneous flash Operation Timer Ready se COOL HEAT disagreement any Automatic cooling heating setup to automatic cooling heating unavailable model heating setup to cooling only model Alternate flash 94 S6 9 4 Check Code and Check Position Displayed on the Remote Controller and Outdoor Unit 7 Segment Display of Interface lt In case of SUPER MODULAR MULTI SYSTEM gt Check code Detected position Check code name Outdoor 7 segment display Check code Main remote controller Auxiliary code Communication error between indoor and remote controller Detected at remote controller side Remote controller Status Corresponding unit only stops Error detection condition Communication interrupted between indoor P C board and remote controller Check item position Check remote controller inter unit cable A B Check disconnection connector contact error e Check indoor power supply Check indoor P C board error Check remote controller address setup When two remote controllers operate e Check remote controller P C board Remote controller Remote controller sending error Corresponding unit only stops
212. w may condense and water may drop Especially high humidity atmosphere dew point temperature 23 C or more may generate dew inside the ceiling 1 Unit is installed inside the ceiling with slated roof 2 Unit is installed at a location using inside of the ceiling as fresh air take in path 3 Kitchen Advice e Set a service check opening panel at right side of the unit size 450 x 450mm or more for piping mainte nance and servicing If installing a unit at such place put insulating material glass wool etc additionally on all the positions of the indoor unit which come to contact with high humidity atmosphere REQUIREMENT When the humidity inside the ceiling seems to be higher than 80 attach a heat insulator to the side top surface of the indoor unit Use a heat insulator that is 10mm or more thick E Ceiling height When the height of the ceiling exceeds the distance of the item Standard 4 way in Table on the next page the hot air is difficult to reach the floor Therefore it is necessary to change the setup value of the high ceiling switch or discharge direction The high ceiling setting is also necessary when installing separately sold filters REQUIREMENT When using the air conditioner with 2 way 3 way discharge system a strong wind blows directly if the ceiling height is lower than the standard Therefore change the setting switch according to height of the ceiling When using the high ceiling
213. y is deleted 57 El FILTER goes on Outline of specifications Remarks Display of lt READY gt Displayed on the remote controller e lt READY gt display READY 1 When the following check codes are indicated No display for wireless HEAT READY e Open phase of power supply wiring P05 was detected type remote controller e There is an indoor unit that detected the indoor overflow P10 e There is an indoor unit that detected the interlock alarm L30 2 During Force Thermo OFF e COOL DRY operation is unavailable because the other indoor unit operates with HEAT mode e HEAT operation is unavailable because COOL priority SW11 bit1 of the Outdoor I F 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 Oil lt HEAT READY gt Displayed on the remote controller lt HEAT READY gt 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 central controller side mode 2 Setting contents In case of Al NET c
214. y out setting operation during stop of the unit otherwise the unit stops operation Item Louver control Continued In case of 4 way Discharge Cassette type Outline of specifications e If there is the locked louver in the unit 4a goes on the remote controller screen e While the following controls are performed the louvers operate even if executing the louver lock Remarks For the setting operation refer to How to set louver lock of Installation Manual 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 e The real louver corresponding to the louver No displayed on the remote controller screen during setting of louver lock operates swinging It is position check operation and it does not link with the real louver and air direction setup Illustration on the remote controller screen DC motor 1 When the fan stator positioning is performed for the 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

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