Toshiba MMK-AP0157HPUL Service Manual Download Page 108

Page: 108 / 120

No.

Part name

rocedure

Remarks

Electric part

box assembly

1) Follow the procedure item 3 .

2) Remove screw holding the electric part cover.

3) Take off the clamp base mounting screw and

then remove the clamp base assembly.

4) Take off fixing screws (2 pcs) of PMV

cover, and then remove PMV cover.

Screw

Clamp base assembly

Electric part cover

Screw

PMV cover fixing screw

PMV cover

Fan motor connector

Louver motor connector

PMV motor connector

Electric parts box

5) Pull out TC1, TC2, TCJ sensors from sensor

holder of hear exchanger.

(Pay attention to mounting positions of each

sensor when reassembling of electric parts. Be

sure to apply marking, etc to TC2 and TCJ

sensors before removing because their shapes

are reassembled.)

6) Remove the earth screw and earth line from

evaporator.

7) Disconnect the connectors for the fan motor,

louver motor and PMV motor from P.C. board

assembly.

8) Remove the 2 fixing screws that secures the

electric parts box assembly, unit display

assembly and remove the electric parts box

assembly.

Earth screw

TC2 sensor

TC1 sensor

TCJ sensor

Screw

Unit display

- 108 -

Summary of Contents for MMK-AP0157HPUL

Page 1: ...R410A SERVICE MANUAL MULT TYPE High Wall Types MMK AP0157HPUL MMK AP0187HPUL MMK AP0247HPUL December 2020 FILE NO SVM 20104 ...

Page 2: ...AM 14 3 PARTS RATING 15 4 REFRIGERANTING CYCLE DIAGRAM 16 5 CONTROL OUTLINE 17 6 CONFIGURATION OF CONTROL CIRCUIT 23 7 APPLIED CONTROL 30 8 TROUBLESHOOTING 44 9 INSTALLATION MANUAL 68 10 HOW TO REPLACE MAIN PARTS 106 11 REPLACEMENT OF P C BOARD FOR INDOOR UNIT SERVICING 113 12 EXPLODED VIEWS AND PARTS LIST 117 2 ...

Page 3: ...ho have been trained and is thus thoroughly acquainted with the knowledge related to this work The qualified installer who is allowed to work at heights has been trained in matters relating to working at heights with the air conditioners made by Toshiba Carrier Corporation or alternatively he or she has been instructed in such matters by an individual or individuals who have been trained and is th...

Page 4: ...on for electricians and from heat Insulating shoes Clothing to provide protection from electric shock Helmets for use in industry Shoes with additional protective toe cap Gloves to provide protection for electricians and from heat Indication DANGER WARNING CAUTION Explanation Indicates contents assumed that an imminent danger causing a death or serious injury of the repair engineers and the third ...

Page 5: ...ns of the unit Doing so may result in injury CAUTION BURST HAZARD Open the service valves before the operation otherwise there might be the burst CAUTION Do not climb onto the fan guard Doing so may result in injury Description WARNING ELECTRICAL SHOCK HAZARD Disconnect all remote electric power supplies before servicing WARNING Moving parts Do not operate unit with grille removed Stop the unit be...

Page 6: ... OFF position and contact a qualified service person Take steps to ensure that the power will not be turned on by marking out of service near the circuit breaker for instance until qualified service person arrives Continuing to use the air conditioner in the trouble status may cause mechanical problems to escalate or result in electric shocks or other failure When you access inside of the service ...

Page 7: ...h complies with the ISO 14122 standard and follow the procedure in the ladder s instructions Also wear a helmet for use in industry as protective gear to undertake the work When working at heights put a sign in place so that no one will approach the work location before proceeding with the work Parts and other objects may fall from above possibly injuring a person below When executing address sett...

Page 8: ...rent types of refrigerant are mixed abnormal high pressure generates in the refrigerating cycle and an injury due to breakage may be caused When the air conditioner has been installed or relocated follow the instructions in the Installation Manual and purge the air completely so that no gases other than the refrigerant will be mixed in the refrigerating cycle Failure to purge the air completely ma...

Page 9: ...alve is opened Running the compressor under condition that the valve closes causes an abnormal high pressure resulted in damage of the parts of the compressor and etc and moreover if there is leak of refrigerant at connecting section of pipes the air is sucked and causes further abnormal high pressure resulted in burst or injury Only a qualified installer 1 or qualified service person 1 is allowed...

Page 10: ...structions to install the air conditioner Be sure to use the company specified products for the separately purchased parts Use of non specified products may result in fire electric shock water leakage or other failure Have the installation performed by a qualified installer Do not supply power from the power terminal block equipped on the outdoor unit to another outdoor unit Capacity overflow may ...

Page 11: ...ers 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 refriger ant If using gas for charging compos...

Page 12: ... etc Vacuum evacuating Refrigerant charge Refrigerant charge Gas leakage check Refrigerant charge R410A air conditioner installation Existence of Whether conven new equipment tional equipment for R410A can be used Yes Note 1 Yes Note 1 Yes No Yesa No Yes No Yes Yes Yes No Yes No Note 2 No Conventional air conditioner installation Whether new equipment can be used with conventional refrigerant Yes ...

Page 13: ... Hanger Center line Hanger Outline of indoor unit Hanger 30 9 786 0 9 23 9 3 235 8 5 215 For stud bold Ø0 2 6 For stud bold Ø0 3 8 Ø0 4 10 2 0 50 or more 11 9 300 or more 6 7 170 or more B C A Distance Installation space C B A 2 3 58 0 7 19 6 8 172 Wireless remote controller 0 9 17 5 5 9 149 Remote controller holder 2 5 63 Drain hose 0 1 0 4m Refrigerant pipe connecting port Gas side For AP015 to ...

Page 14: ...2 WIRING DIAGRAM 14 ...

Page 15: ...discharged according to cool heat mode 3 PARTS RATING 3 1 Parts Rating 3 2 Name of Each Part No 1 2 3 4 5 6 Parts Name Fan motor for indoor Louver motor Thermo Sensor TA sensor Heat exchanger sensor TC1 sensor Heat exchanger sensor TC2 sensor Heat exchanger sensor TCJ sensor Type ICF 340 30 6 24BYJ48A 080 16 4 418mm Ø4 19 7 500mm Ø6 31 4 800mm Ø6 19 7 500mm Specications Output Rated 30W DC340V 10k...

Page 16: ...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 Connector CN104 2P White 1 Detects indoor suction temperature Connector CN100 3P Brown 1 Controls PMV super heat in cooling operation Connector CN101 2P Blue 1 Controls PMV under cool in heating operation Connector CN1...

Page 17: ...de on the wireless remote controller 1 Adjustment range Set temperature on remote controller F C 2 From the item code 06 the setup temperature in heating operation can be corrected Setup at shipment 1 Based upon difference between Ta and Ts the operation frequency of the outdoor unit varies 1 By the command from the remote controller HIGH HH MED H or LOW L AUTO operation is executed For the wirele...

Page 18: ... the following conditions are satisfied Reset conditions 2 In cooling operation the air conditioner operates as described below based upon temp detected by TC2 and TCJ sensors When M zone is detected for 45 minutes the forced thermo is OFF In N zone the timer count is interrupted and held When shifting to M zone again the timer count restarts and continues If L zone is detected the timer is cleare...

Page 19: ... reading The timing of termination is deter mined by each indoor unit 1 For 5 minutes after the operation has started the operation is continued even if entering thermostat OFF condition 2 However Cooling Heating exchange and the system protective control precede and thermostat is OFF 1 When the air conditioner stops in the HEAT mode drive the indoor fan with LOW mode for approx 30 seconds 1 Flap ...

Page 20: ...t oil recovery operation Heating standby Displayed on wired remote controller 1 Normal thermo OFF During heating the indoor unit goes thermo OFF as the heating temperature setting is reached 2 During heating the fan rotates at a breeze speed UL or lower or remains stationary to prevent cold air from being discharged including defrosting operation 3 Forced thermo OFF HEAT operation is unavailable b...

Page 21: ...nly when the fan speed before the Hi POWER operation is not high the fan speed will be increased When you press the ECO button during cooling heating or A operation the air conditioner will start the following operation The fan speed display will indicate AUTO and low speed will be used Cooling operation In the operation suppression zone where capacity is kept to the minimum overcooling is prevent...

Page 22: ...peration stop the operation mode change and the resetting of power supply Therefore the operation at the next time also will be activated with Save operation is valid Remarks Check code P12 RBC AMT32UL SWING FAN FIX QUIET COMFORT SLEEP 1 Hi POWER To operate the air conditioner with the setting memorized 1 Press the PRESET button The setting memorized will be indicated and the air conditioner opera...

Page 23: ... Function setup Key switch CN2 CN1 1 CPU Display LED LCD driver CPU Central control communication circuit Remote controller communication circuit Display LED Receiver unit Driver Function setup Key switch Power circuit Power circuit DC280V DC15V Fan motor control circuit EEPROM TA sensor TC1 TC2 sensor TCJ sensor HA Run Alarm Ready Thermo ON COOL HEAT FAN Wireless remote signal setting A B Central...

Page 24: ...V Outside output Central control communication circuit Remote controller communication circuit Display LED Receiver unit Driver Power circuit DC280V DC15V Fan motor control circuit EEPROM TA sensor TC sensor TCJ sensor HA Run Warning Defrost Thermo ON COOL HEAT FAN Bus communication circuit Wireless remote signal setting A B Central control remote controller Sold separately AC synchronous signal i...

Page 25: ...r CN102 Yellow TA Sensor CN104 White TC2 Sensor CN101 Black Float SW CN34 Red TC1 Sensor CN100 Brown DISP N72 White CHK CN71 White EEPROM IC503 Option power supply CN309 Yellow Power supply CN67 Black DC fan motor CN210 White Louver CN33 White PMV Output CN82 Blue Output FS Unit CN81 Black Ventilation output CN32 White HA T10 CN61 Yellow 25 ...

Page 26: ...ON 1 DC12V COM 2 DC12V COM Outside error input CN80 3 Filter Option Outside error input At shipment from factory the error code L30 generates and optional error input to stop operation forcedly DN 2A 1 is controlled Display of protection for devices attached to outside by setup of outside error input DN 2A 2 for 1 minute Optional error input control is set up on the remote controller 1 Check mode ...

Page 27: ...te controller In case of wired remote controller RBC AMT32UL Note The test run returns to the normal operation after 60 minutes Operation contents Push TEST button for 4 seconds or more TEST is displayed at the display part and the mode enters in TEST mode Push ON OFF button Change the mode from COOL to HEAT using MODE button Do not use MODE button for other mode except COOL HEAT modes The tempera...

Page 28: ...forced cooling operation After approx 3 minutes a cooling operation starts forcedly Check cool air starts blowing If the operation does not start check wiring again 3 To stop a test operation push RESET button once again Approx 1 second The up down air flow adjusting plate closes and the operation stops Check transmission of remote controller 1 Push START STOP button of the remote controller to ch...

Page 29: ...ISP pin CN72 on the indoor P C 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 minutes To exchange the indo...

Page 30: ...l are successively displayed In this time the fan of the selected indoor unit only is turned on 3 Specify the CODE No DN using the setup temperature and buttons 4 Select the setup data using the timer time and buttons When selecting the CODE No DN to 33 33 33 33 33 change the temperature indication of the unit from C to F on the remote controller 5 Push SET button OK if display goes on To change t...

Page 31: ...001 Not provided Automatic selection from connected outdoor unit 0000 Heat pump 0001 Cooling only No display of AUTO HEAT 0008 High Wall 0000 Unfixed 0001 to 0041 0001 No 1 unit to 0030 No 30 unit 0001 No 1 unit to 0064 No 64 unit 0000 Individual 0001 Header unit of group 0002 Follower unit of group 0000 0 deg to 0010 10 deg For setup temperature reversal of COOL HEAT by Data value 2 0000 None 000...

Page 32: ...a Type EEPROM initial value on the P C board for indoor unit servicing 024 0011 Item Timer setup Wired remote controller CODE No DN 60 Description 0000 Available Operable 0001 Unavailable Operation prohibited At shipment 0000 Available Change unit 0 9 F 0 5 C or 1 8 F 1 0 C on remote 7A 0000 0 9 F 0 5 C 0000 0 9 F 0 5 C 0001 1 8 F 1 0 C Region E0 0000 Japan model 0001 North America model 0001 Nort...

Page 33: ... signal Output during normal operation 3 Error signal Output during alarm Serial communication error or indoor outdoor protective device operation 2 Wiring diagram using remote control interface TCB IFCB 4UL Input Output IFCB 4UL No voltage ON OFF serial signal No voltage contact for operation error display Contact capacity Below Max AC240V 0 5A 1 2 3 4 5 6 CN61 T10 YEL 1 2 3 4 1 2 3 4 5 6 CN13 CN...

Page 34: ...elected indoor unit only turns on 3 Using the setup temp or button specify the CODE No 31 31 31 31 31 4 Using the timer time or button select the setup data At shipment 0000 0000 0000 0000 0000 The setup data are as follows Setup data 0000 0001 Handling of operation of air to air heat exchanger or ventilating fan Unavailable At shipment Available 5 Push SET button OK if display goes on To change t...

Page 35: ...s 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 1 Push concurrently SET CL TEST buttons for 4 seconds or more 2 Using the setup temp or button specify the ...

Page 36: ...igerant pipe For the above example perform setting by connecting singly the wired remote controller without remote controller inter unit cable Group address Individual 0000 Header unit 0001 Follower unit 0002 In case of group control Outdoor Outdoor Indoor Indoor Indoor Indoor Indoor Header unit Follower unit Line address 1 Indoor unit address 1 Group address 1 1 2 2 1 3 2 2 1 2 2 2 2 Note 1 When ...

Page 37: ... controller Group control unit other unit numbers are also displayed every pushing UNIT LOUVER button button at left side 2 To know the position of indoor unit by address To confirm the unit No in the group control Follow to the procedure during operation in this procedure the indoor units in group control stop Procedure The indoor unit numbers in the group control are successively displayed and f...

Page 38: ...ol is displayed one after the other In this time fan and louver of the selected indoor unit only operate Ø 3 Using the set temperature TEMP buttons specify the CODE No DN Ø 4 Using the timer time TIME buttons select the set data Ø 5 Push SET 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 Ø 6 Pushing TEST b...

Page 39: ...R SWING FIX button Ø 3 Determine the selected line address using SET 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 Ø 4 Every pushing UNIT LOUVER button button at left side the indoor unit No in the identical piping is displayed one after the other Only fan and louver of the selected indoor unit...

Page 40: ... AC AC Address Change are displayed Ø 2 Select line address using UNIT LOUVER SWING FIX button Ø 3 Push the SET 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 Ø 4 TIME button push up down the indoor address of the SET DAT...

Page 41: ...he following figure is counted as 0005 0005 0005 0005 0005 0004 0004 0004 0004 0004 0003 0003 0003 0003 0003 0002 0002 0002 0002 0002 0001 0001 0001 0001 0001 0000 0000 0000 0000 0000 with 5 seconds interval When 0000 0000 0000 0000 0000 appear the error was cleared However counting from 0005 is repeated on the display screen 4 When pushing TEST button the status becomes normal How to clear error ...

Page 42: ... service monitor goes on and firstly the temperature of the CODE No is displayed 1 2 3 4 Returns to normal display Operation procedure 2 4 1 3 SET TIME TIMER SET TEST FILTER RESET TEMP CL FAN SAVE SWING FIX VENT MODE ON OFF UNIT LOUVER 2 Push TEMP button to change CODE No to the CODE No to be monitored For display code refer to the following table 3 Push UNIT LOUVER left side button button to chan...

Page 43: ... side TL1 Temperature at liquid side TL2 Temperature at liquid side TL3 10 10 1 1 1 1 1 1 1 1 1 1 1 1 psi psi F F F F F F F F F F F F 4350 435 psi CODE No Data name Display format Unit Remote control display example 90 Heating cooling recovery controlled 0 Normal 0010 Heating recovery controlled 0 Normal 1 Release controlled 92 Discharge temperature release 0001 Discharge temperature release contr...

Page 44: ...r fan does not stop Start stop operation on remote controller is unavailable Check items Is not the cold draft prevention being controlled in heating operation Is not low cooling operation being controlled Is not a defrost operation being performed Is not after heat elimination operation being controlled after heating operation Is not auxiliary unit or remote control being operated Is connecting w...

Page 45: ... and remote controller Regular communication error between indoor and outdoor Duplicated indoor address Communication error between indoor MCU Regular communication error between header and follower in indoor unit Indoor heat exchanger temp sensor TCJ error Indoor heat exchanger temp sensor TC2 error Indoor heat exchanger temp sensor TC1 error Room tem Sensor TA error Discharge air temp sensor TF ...

Page 46: ...it In 2 remote controller control both remote controllers were set to header Indoor header stops with alarm and follower unit continues operation Check code display TCC LINK central C05 C06 C12 P30 Outdoor 7 segment Auxiliary code Sensor lamp display Block display Operation Timer Ready Flash Is not displayed In shared use of remote controller According to unit with alarm Abovementioned Main defect...

Page 47: ...ischarge temp sensor TD3 error Low pressure Ps sensor error High pressure Pd sensor error Outdoor EEPROM error Description No communication from indoor unit Decrease of connected indoor units Signal cannot be sent to indoor unit There is no communication from outdoor unit There are multiple indoor units having the same address Detected also at indoor unit side Automatic indoor address operation wh...

Page 48: ...r units over IPDU quantity error Outside error input in indoor Interlock Outdoor unit discharge TD1 temp error Open phase shortage Power failure error Inverter DC voltage Vdc error Description Miswiring or mismounting of outdoor discharge temp sensor TD1 or coming out of TD1 sensor was detected Miswiring or mismounting of outdoor discharge temp sensor TD2 or coming out of TD2 sensor was detected M...

Page 49: ... liquid back detection error Gas leak detection Outdoor discharge TD2 temp error Outdoor discharge TD3 temp error 4 way valve invert error High pressure protection operation Heat unit error Main code Description High temp error was detected in outdoor IGBT built in temp sensor TH There is heat unit which was been detected water shortage in 1 system Heat unit detected There is abnormally stopped in...

Page 50: ... error E Inverter DC voltage error Outdoor fan Note In position 0 to F is displayed but ignore it 01 Compressor 1 side P26 02 Compressor 2 side 03 Compressor 3 side 01 Compressor 1 side P29 02 Compressor 2 side 03 Compressor 3 side TCC LINK central remote controllers F13 H01 H02 H03 P04 P07 P22 P26 P29 Sensor lamp display Block display Operation Timer Ready Flash A z z z z z z z A z A z A z A z A ...

Page 51: ... code Indoor unit No in which an error occurred 3 2 1 SET TIME TIMER SET TEST FILTER L L RESET TEMP CL FAN SAVE A A SWING FIX VENT MODE ON OFF UNIT LOUVER T How to read the check monitor display 7 segment display 8 9 A b C d E F H J L P 7 6 5 4 3 2 1 0 How to read Procedure 1 2 3 Description When pushing SET and TEST buttons simultaneously for 4 seconds or more the below display appears If Service...

Page 52: ...top 1 Push and SET buttons in succession for 4 seconds or more 2 SERVICE CHECK goes on and CODE No 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 to select CODE No 01 to 04 5 To ...

Page 53: ...utdoor unit Communication interruption between indoor and outdoor units Communication receiving error between indoor and outdoor units decrease of No of connected indoor units Communication sending error between indoor and outdoor units No indoor unit during setting of automatic address No of connected indoor units capacity over Error of No of header unit Disagreement of refrigerant pipe communica...

Page 54: ...ensor TD3 error 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 Miswiring or mismounting of outdoor discharge temp sensor TD1 or coming off of TD1 sensor Low pressure Ps drop error Pro...

Page 55: ... Ready Simultaneous flash Operation Timer Ready Alternate flash Check code Cause of trouble occurrence During test run COOL HEAT disagreement Automatic cooling heating setup to automatic cooling heating unavailable model heating setup to cooling only model 55 ...

Page 56: ...od from the indoor unit which has been used to send signals Transmission from outdoor to indoor cannot continue for 30 seconds Multiple indoor unit address setup are duplicated In 2 remote controller control including wireless both are setup as master Header indoor unit stops and other indoor unit is operating Communication was not succeeded after power was supplied or during communication When in...

Page 57: ...t from the outdoor unit which was receiving signal Outdoor header unit received error code from outdoor follower unit Check item position Check the communication line connection between indoor and outdoor Check the electric power line error in indoor Check the noise of surrounding devices Power failure Check indoor P C board error Check the connection capacity of indoor unit Check the HP capacity ...

Page 58: ...alue of sensor is infinite or zero Open Short Check item position Check connection of communication connector and disconnection between IPDU and I F P C board Check outdoor P C board I F Comp IPDU Fan IPDU error Check external noise Check connection cabling of TCJ sensor connector Check characteristics of TCJ sensor resistance value Check indoor P C board error Check connection cabling of TC2 sens...

Page 59: ...ected over current and stopped Over current was detected several seconds after header compressor had started While header compressor stopped current flowed more than the specified current and was detected Check item position Check installation of TE1 sensor and TL sensor Check characteristics of TE1 and TL sensor resistance value Check outdoor P C board I F error Check connection of high pressure ...

Page 60: ...ck mounting of TD1 sensor Check connection and wiring of TD1sensor connector Check characteristics of TD1 sensor resistance value Check outdoor unit P C board I F error Check full opening of service valve Discharge gas suction gas and liquid side Check outdoor PMV clogging PMV1 2 Check SV2 circuit and SV4 circuit error Check low pressure Ps sensor error Check indoor air filter clogging Check valve...

Page 61: ...nsor connector Check characteristics of TD2 sensor resistance value Check outdoor unit P C board I F error Check TK1 sensor coming off Check characteristics of TK1 sensor resistance value Check TK1 TK2 TK3 TK4 and TK5 misconnection Check operation error of SV3E SV3F valve Check capillary clogging of oil equation circuit and operation error of stop valve Check refrigerant stagnation in compressor C...

Page 62: ...as unset On the I F P C board for service jumper line was not cut according to the model Duplicated central control addresses There were more than four outdoor units No of IPDU units detected when power was turned on were less Outside error input terminal Detected signal to CN80 for more 1 minute P C board I F parts error Check item position Check display of indoor unit with priority Check display...

Page 63: ...rvice valves Gas side Liquid side Check clogging of outdoor PMV PMV1 2 4 Check characteristics of TD1 sensor resistance value Check refrigerant shortage Check 4 way valve error Check leakage of SV4 circuit Check SV4 circuit Miswiring and misinstallation of SV41 SV42 and SV43 Check connection of high pressure SW connector Check Pd pressure sensor error Check full opening of outdoor service valves G...

Page 64: ...lary clogging of oil return circuit from oil separator Check leakage of stop valve in discharge assembly part Check refrigerant shortage Check full open of outdoor service valves gas side liquid side Check outdoor PMV clogging PMV1 2 Check characteristics of TS1 sensor resistance value Check 4 way valve error Check leakage of SV4 circuit Check refrigerant shortage Check outdoor PMV clogging PMV1 2...

Page 65: ...ion was not normally performed Restart after 6 seconds Auxiliary code 04 External cause such as blast When difference between target rpm and real rpm is 25 or more Restart after 6 seconds Auxiliary code 0D Fan IPDU position detection circuit Position detection was not normally performed Windless status Auxiliary code 0C External cause such as blast Position detection was not normally performed Win...

Page 66: ...ed Operation continued Error detection condition Signal is not transmit from central control device Signal is not received from central control device Error was input in general purpose equipment control interface An error occurred in follower unit of the group control P30 is displayed only on the central remote controller Central control addresses were duplicated Check item position Check central...

Page 67: ... 90 95 100 99 9 74 1 55 6 42 2 32 8 25 4 19 8 15 6 12 4 10 0 8 1 6 5 5 3 4 4 3 6 3 0 2 5 2 1 1 8 1 5 1 3 1 1 1 0 0 8 0 7 Temperature C Resistance value k 20 15 10 5 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 115 2 84 2 62 3 46 6 35 2 26 9 20 7 16 1 12 6 10 0 8 0 6 4 5 2 4 2 3 5 2 8 2 4 2 0 1 6 1 4 1 2 Temperature C Resistance value k 0 5 10 15 20 25 30 35 40 45 50 55 60 33 9 26 1 20 3 15 9 1...

Page 68: ...NEW REFRIGERANT This Air Conditioner is a new type which adopts a new refrigerant HFC R410A instead of the conventional refrigerant R22 in order to prevent destruction of the ozone layer Contents 1 PRECAUTIONS FOR SAFETY 72 2 ACCESSORY PARTS 77 3 SELECTION OF INSTALLATION PLACE 78 4 INSTALLATION OF INDOOR UNIT 80 5 CUTTING A HOLE AND MOUNTING INSTALLATION PLATE 82 6 PIPING AND DRAIN HOSE INSTALLAT...

Page 69: ...wed to work at heights has been trained in matters relating to working at heights with the air conditioners made by Toshiba Carrier Corporation or alternatively he or she has been instructed in such matters by an individual or individuals who have been trained and is thus thoroughly acquainted with the knowledge related to this work Qualified service person The qualified service person is a person...

Page 70: ...gerous because you will be more susceptible to injury burns electric shocks and other injuries Work undertaken Protective gear worn All types of work Protective gloves Safety working clothing Electrical related work Gloves to provide protection for electricians and from heat Insulating shoes Clothing to provide protection from electric shock Work done at heights 19 7 50 cm Helmets for use in indus...

Page 71: ...t operate unit with grille removed Stop the unit before the servicing CAUTION High temperature parts You might get burned when removing this panel CAUTION High temperature parts You might get burned when removing this panel CAUTION Do not touch the aluminum fins of the unit Doing so may result in injury CAUTION Do not touch the aluminium fins of the unit Doing so may result in injury CAUTION BURST...

Page 72: ...nt panel of the indoor unit or service panel of the outdoor unit set the circuit breaker to the OFF position Failure to set the circuit breaker to the OFF position may result in electric shocks through contact with the interior parts Only a qualified installer 1 or qualified service person 1 is allowed to remove the front panel of the indoor unit or service panel of the outdoor unit and do the wor...

Page 73: ...ercial use by lay persons Selection of installation location 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 Do not install the air conditioner in a location that may be subject to a risk of exposure to a combustible gas If a combustible gas leaks and beco...

Page 74: ...low the instructions in the Installation Manual and purge the air completely so that no gases other than the refrigerant will be mixed in the refrigerating cycle Failure to purge the air completely may cause the air conditioner to malfunction Nitrogen gas must be used for the airtight test The charge hose must be connected in such a way that it is not slack Electrical wiring Only a qualifled insta...

Page 75: ...ct a qualified service person Take steps to ensure that the power will not be turned on by marking out of service near the circuit breaker for instance until qualified service person 1 arrives Continuing to use the air conditioner in the trouble status may cause mechanical problems to escalate or result in electric shocks or other trouble After the work has finished use an insulation tester set 50...

Page 76: ...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 ...

Page 77: ... to customers Owner s Manual 1 Hand over to customers Installation plate 1 Wireless remote controller 1 Battery 2 Remote controller holder 1 Mounting screw Ø0 16 4 mm 1 0 25 mm 6 Flat head wood screw Ø1 8 3 1 mm 0 6 16 mm 2 Screw Ø0 16 4 mm 0 4 10 mm 2 Heat insulator 1 Mounit Conduit 1 77 ...

Page 78: ...ls are formed such as kitchens where food oils are used Blocked filters may cause the air conditioner s performance to deteriorate condensation to form the plastic parts to be damaged and other such problems to result Locations near obstructions such as ventilation openings or lighting fixtures where the flow of the blown air will be disrupted a disruption of the air flow may cause the air conditi...

Page 79: ... Wall Installation plate Heat insulator Hook 1 2 Batteries Installation space The indoor unit shall be installed at least 8 2 2 5 m height Also it must be avoided to put anything on top of the indoor unit 1 Reserve space required to install the indoor unit and for service work Keep 4 3 110 mm or more for clearance between top plate of the indoor unit and the ceiling surface 2 Provide a space as sh...

Page 80: ...stallation work to guard against strong wind or earthquake An incomplete installation can cause accidents by the units falling and dropping Strictly comply with the following rules to prevent damage of the indoor units and human injury Do not put a heavy article on the indoor unit Even units are packaged Carry in the indoor unit as it is packaged if possible lf carrying in the indoor unit unpacked...

Page 81: ...ackside of unit Step to install the MOUNT CONDUIT Option connect power supply 2 Hole 2 Install the MOUNT CONDUIT to unit 3 Insert the screw Make sure to fix pin on position lock Make sure screw 1 part fix on position Direction to remove Direction to remove Direction to remove 1 Install the EDGE SADDLE to MOUNT CONDUIT Direction to remove 3 Remove the EDGE SADDLE take off from MOUNT CONDUIT Remove ...

Page 82: ...en drilling a wall that contains a metal lath wire lath or metal plate be sure to use a pipe hole brim ring sold separately In case of block brick concrete or similar type walls make 0 2 5 mm dia holes in the wall Insert clip anchors for appropriate mounting screws When installing the installation plate with a mounting screw do not use the anchor bolt hole Otherwise the unit may fall down and resu...

Page 83: ...it on the bottom left or right side of the front panel for the bottom left or right connection with a pair of nippers 2 Changing drain hose For leftward connection bottom leftward connection and rearleftward connection s piping it is necessary to change the drain hose and drain cap How to remove the drain hose The drain hose can be removed by removing the screw securing the drain hose and then pul...

Page 84: ...from the plug No gap Insert a hexagon wrench 0 6 4 mm CAUTION Firmly insert the drain hose and drain cap otherwise water may leak How to remove the drain hose 1 Remove the front panel 2 Remove the screws of drain hose 3 Pull out the drain hose How to fix the drain hose 1 Put the drain hose 2 Screw the drain hose to the indoor unit 3 Install the front panel In case of right or left piping After scr...

Page 85: ... pipe is bent incorrectly the indoor unit may unstably be set on the wall After passing the connecting pipe through the pipe hole connect the connecting pipe to the auxiliary pipes and wrap the facing tape around them CAUTION Bind the auxiliary pipes two and power supply wiring and control wiring with facing tape tightly In case of leftward piping and rear leftward piping bind the auxiliary pipes ...

Page 86: ... case use the screws provided to fix the unit and the installation plate 1 Run the drain hose sloped downwards 2 Put water in the drain pan and make sure that the water is drained out of doors 3 When connecting extension drain hose insulate the connecting part of extension drain hose with shield pipe NOTE Hole should be made at a slight downward slant on the outdoor side Do not rise the drain hose...

Page 87: ...P015 to AP018 type AP024 type Gas side 1 2 12 7 5 8 15 9 Liquid side 1 4 6 4 3 8 9 5 dia in mm Permissible Piping Length and Height Difference Flaring Cut the pipe with a pipe cutter Remove burrs completely Remaining burrs may cause gas leakage 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 f...

Page 88: ...door 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 centres 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 ...

Page 89: ...communication line means the total length of the control wire length between indoor and outdoor units added with the central control wire length Power supply Power supply 208 230 1 60 Consult local building codes NEC National Electrical Code or CEC Canadian Electrical Code for special requirements If incorrect incomplete wiring is carried out it will cause an electrical fire or smoke Install circu...

Page 90: ...ter unit wiring L L1 L2 Ln Wire size AWG20 In case of wired type only In case of wireless type included Up to 1640 5ʺ 500 m Up to 1312 4ʺ 400 m Up to 656 2ʺ 200 m Total wire length of remote control inter unit wiring L1 L2 Ln Indoor unit Indoor unit Indoor unit Indoor unit Remote control inter unit wiring Remote control wiring Remote control Max 8 units L L1 L2 Ln NOTE Use copper supply wire Use U...

Page 91: ...N U1U2 U3 U4 U5 U6 L1 L2 L3 N Outdoor Power supply Outdoor Power supply Circuit breaker Follower outdoor unit Circuit breaker Header outdoor unit Ground terminal Control wiring between outdoor units Control wiring between indoor and outdoor units Control wiring between indoor units Ground terminal Indoor unit Indoor unit Indoor unit Indoor unit Ground Ground Ground Ground A B A B A B A B Disconnec...

Page 92: ...ning torque 0 9 ft Ibs 1 2 N m Secure the earth line with the earth screw 9 Clamp the power supply wire with the cord clamp Attach the terminal cover and the air inlet grille to the indoor unit Be sure to refer to the wiring diagram attached inside the front panel Check local electrical cords an also any specific wiring instructions and limitations Do not catch the control wire when installing the...

Page 93: ...ew 7 Insert the power supply wire fully into the terminal block and secure it tightly with screws Tightening torque 0 9 ft Ibs 1 2 N m Secure the earth line with the earth screw 8 Clamp the power supply wire with the cord clamp 9 Insert the power supply wire fasten terminal of the flow selector unit into the power supply terminal Secure the earth line with the earth screw 10 Clamp the power supply...

Page 94: ...not 10 push button to erase the display content and repeat the procedure from the beginning No operation of the remote controller is accepted for a while after button is pushed While air conditioners are operated under the group control ALL is displayed first When is pushed the indoor unit number displayed following ALL is the header unit Normal settings were made when the indoor unit was shipped ...

Page 95: ...rocedure 4 select the SET DATA of shift value of detection temperature to be set up from the table below Procedure 3 Using TEMP buttons specify CODE No Procedure 4 Using timer TIME buttons select SET DATA Procedure 5 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 sele...

Page 96: ...oup control a remote controller can control up to maximum 8 units The wired remote controller only can control a group control The wireless remote controller is unavailable for this control For cabling procedure and cables of the individual line Identical refrigerant line system refer to Electric connection in this Manual Cabling between indoor units in a group is performed in the following proced...

Page 97: ...r the procedure of the operation refer to the attached Owner s Manual A forced test run can be executed in the following 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 CAUTION Do not use the forced test run for cases other than the test run because it applies ...

Page 98: ...door units 1 When pushing RESET button for 10 seconds or more Pi sound is heard and the operation changes to a forced cooling operation After approx 3 minutes a cooling operation starts forcedly Check cool air starts blowing If the operation does not start check wiring again 2 To stop a test operation push RESET button once again Approx 1 second The louver closes and the operation stops Check tran...

Page 99: ...ollowing procedure The trouble history is stored in memory up to 4 troubles The history can be confirmed from both operating status and stop status 3 2 1 Procedure 1 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 01 Order of trouble history is displayed in CODE No window Check c...

Page 100: ... unit Auxiliary code Operation Timer Ready Flash E01 Communication trouble between indoor unit and remote controller Detected at remote controller side Remote controller E02 Remote controller transmission trouble Remote controller E03 Communication trouble between indoor unit and remote controller Detected at indoor unit side Indoor unit E04 Communication circuit trouble between indoor outdoor uni...

Page 101: ...sensor trouble I F F07 F07 01 TL1 sensor 02 TL2 sensor 03 TL3 sensor ALT TL1 TL2 or TL3 sensor trouble I F F08 F08 ALT TO sensor trouble I F F09 F09 01 TG1 sensor 02 TG2 sensor 03 TG3 sensor ALT TG1 TG2 or TG3 sensor trouble I F F10 ALT Indoor unit TA sensor trouble Indoor unit F11 ALT TF sensor trouble Indoor unit F12 F12 01 TS1 sensor 03 TS3 sensor ALT TS1 or TS3 sensor trouble I F F13 F13 01 Co...

Page 102: ...oor unit L10 L10 SIM Outdoor unit capacity unset I F L17 L17 SIM Outdoor unit type mismatch trouble I F L18 L18 SIM Flow selector unit trouble I F L20 SIM Duplicated central control addresses Indoor unit L28 L28 SIM Too many outdoor units connected I F L29 L29 1 Inverter quantity information SIM No of inverter trouble I F L30 L30 Detected indoor unit address SIM Indoor unit outside interlock Indoo...

Page 103: ...ommunication Link C06 Receiving trouble in central control device Communication Link C12 Batch alarm of general purpose equipment control interface General purpose equipment I F P30 L20 Differs according to trouble contents of unit with occurrence of alarm Group control follower unit trouble Communication Link L20 is displayed Duplication addresses of indoor units in central control device With th...

Page 104: ... R410A which is used in multi air conditioners is 0 3 kg m If there are 2 or more refrigerating systems in a single refrigerating device the amounts of refrigerant should be as charged in each independent device e g charged amount 10 kg Outdoor unit Indoor unit Room A e g charged amount 15 kg Min volume of the indoor unit installed room m Concentration limit kg m NOTE 1 Room B Room C Room D Room E...

Page 105: ...3 Have you changed lighting time of filter sign If not fill check mark in NO CHANGE and fill check mark in ITEM if changed respectively For check method refer to Applicable controls in this sheet Filter sign lighting time CODE No 01 NO CHANGE NONE 0000 150H 0001 2500H 0002 5000H 0003 10000H 0004 Filter sign lighting time CODE No 01 NO CHANGE NONE 0000 150H 0001 2500H 0002 5000H 0003 10000H 0004 Fi...

Page 106: ...ring welding equipment near flammable objects Flames from the equipment may cause the flammable objects to catch fire If keeping the power on is absolutely unavoidable while doing a job such as inspecting the cir cuitry wear rubber gloves to avoid contact with the live parts Electric shocks may be received if the live parts are touched High voltage circuits are contained inside this unit Proceed v...

Page 107: ...s main power supply 2 Open two screw caps and securely remove screws 2 pcs at the front panel 3 Take off the hooks of front panel from top side of the back body 4 Slightly open the lower part of the front panel then pull the upper part of the front panel toward you to remove it as shown on figure 3 Front panel Back body Hooks of front panel Screw cap Air inlet grille Front panel Screw Screw Screw ...

Page 108: ...ctric parts box 5 Pull out TC1 TC2 TCJ sensors from sensor holder of hear exchanger Pay attention to mounting positions of each sensor when reassembling of electric parts Be sure to apply marking etc to TC2 and TCJ sensors before removing because their shapes are reassembled 6 Remove the earth screw and earth line from evaporator 7 Disconnect the connectors for the fan motor louver motor and PMV m...

Page 109: ...w figure Hexagon screw driver Vertical louver Cross flow fan Screws Fan motor Motor band 4 5 Fan motor connector Fan motor wire Horizontal louver Drain pan Drain pan Drain hose 1 Follow the procedure item 3 2 The drain hose can be removed by removing the screw securing the drain hose and then pulling out the drain hose 3 When removing the drain hose be careful of any sharp edges of steel plate The...

Page 110: ...he cord motor of Louver VT 5P from the Louver VT L R connector 5 Remove fixing screw of the unit display and remove unit display 6 Remove drain pan can be selected remove drain hose or not remove drain hose following Not remove drain hose Pulling out the drain pan from back body then holding the drain pan with main unit Remove drain hose Drain hose can be removed follow the procedure item 7 After ...

Page 111: ... it from the main unit 11 Caution at assembling If the bearing is out from the housing push it into the specified position then incorporate it in the main unit Bearing base Bearing Cross flow fan Heat exchanger Cross flow fan 12 1 Follow the procedure item 9 and 11 2 Loosen the set screw of the cross flow fan Vertical louver Hexagon screw driver Cross flow fan 3 Lift up the heat exchanger follow t...

Page 112: ...he heat exchanger to upper side 13 Screws Heat exchanger Heat exchanger Pipe holder Screw Screw Heat exchanger 3 5 mm Cross flow fan Set screw Fan motor Body back Holding the set screw install the cross flow fan so that flat area on shaft of the fan motor comes to the mounting hole of the set screw Back body To re installation Keep the back body horizontally and put the heat exchanger carefully to...

Page 113: ... replacement is defective and the setting data cannot be read out based on the customer information 3 Refer to page 2 Power reset for all indoor units connected to the remote control when the group operation control is performed 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 11 Replacement of P C Board f...

Page 114: ...he 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 3 C a Remove all CN41 connectors of the indoor units in the same group except those of the exchanged In case that power of the indoor units cannot be turned in individually Case 2 indoor unit b Turn on power of the indoor units and proceed to...

Page 115: ... The CODE No DN are ranged from to 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 by pressing buttons for the temperature setting this is the setting for the filter sign lighting time Check the setting data displayed at this time with the setting data put down in 1 on page 1 1 If the setting data is different ...

Page 116: ... control kit TCB PCUC2E Communication protocol FC 0000 None 0000 TCC LINK 1Fb Remote controller operation 0000 Operation possible Indoor Unit terminating resistance 1FC 0000 OFF 0000 Default setting External static pressure F6 Heating suction temperature shift 06 0001 No automatic Automatic mode 0D Sensor SW 32 0000 Body sensor FS unit adress FE 00Un 0099 Unfixed Region E0 0000 Japan model Flap ty...

Page 117: ...L PACKING CARTON BOX PACKING CUSHION RIGHT PACKING CUSHION LEFT OWNER S MANUAL CLAMP BASE ASSY FIX P SENSOR PMV COVER ASSEMBLY COIL PMV BODY PMV PLATE HOLDER SENSOR REINFORCEMENT FIBERBOARD ASSY CONDUIT PARTITION A ASSENBY CONDUIT MOUNT CONDUIT PARTITION B ASSENBY CONDUIT MOUNT INSTALLATION MANUAL 222 43T19333 FRONT PANEL ASSY CAP SCREW ASSEMBLY GRILLE OF AIR INLET ASSY AIR FILTER BACK BODY ASSY V...

Page 118: ...ING PW ASM HOSING BUS ASM HOUSING REM ASM HOUSING MOV PC BOARD ASSY HOLDER TA 407 43T50306 PC BOARD ASSY TERMINAL SERV TERMINAL SENSOR THERMOSTAT TC SENSOR TC SENSOR TEMPERATURE SENSOR Description Description 403 402 401 408 409 410 WP 033 MCC 1696 SW02 SW01 1 ON 2 1 ON 2 P01 CN100 CN101 CN102 CN104 CN213 CN81 CN80 CN73 CN82 CN33 CN210 CN61 CN32 CN50 CN60 CN41 CN40 CN67 TC1 TC2 TCJ L1 L2 404 405 4...

Page 119: ... in multi air conditioners is 0 3 kg m3 NOTE 1 If there are 2 or more refrigerating systems in a single refrigerating device the amounts of refrigerant should be as charged in each independent device For the amount of charge in this example The possible amount of leaked refrigerant gas in rooms A B and C is 10 kg The possible amount of leaked refrigerant gas in rooms D E and F is 15 kg NOTE 2 The ...

Page 120: ...144 9 MOO 5 BANGKADI INDUSTRIAL PARK TIVANON ROAD TAMBOL BANGKADI AMPHUR MUANG PATHUMTHANI 12000 THAILAND ...

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