Toshiba MMK-AP0307HPUL Service Manual Download Page 16

Page: 16 / 127

. PARTS RATING

-1. Parts Rating

-2. Name of Each Part

No.

Parts Name

Fan motor (for indoor)

Louver

motor

Thermo. Sensor (TA sensor)

Heat exchanger sensor (TC sensor)

Heat exchanger sensor (TCJ sensor)

Type

ICF-

280-61-2

MP24Z4N

18mm

Ø6,

0mm

Ø6,

00mm

Specications

Output (Rated)

280

V DC

4 phase,

12V

10k

77°F (

25°C

)

10k

77°F (25°C)

10k

77°F (25°C)

9,10

1. Air inlet grille
2. Air filter
3. Room temperature sensor
4. Front panel
5. Air outlet
6. Horizontal louver (Front)
7. Horizontal louver (Back)
8. Vertical louver

(For change horizontal air flow direction, adjust manually)

9. Display panel
10.Infrared signal receiver
11.Earth screw

(provided in the electric parts box)

(For change vertical air flow direction)

- 16 -

Summary of Contents for MMK-AP0307HPUL

Page 1: ...R410A SERVICE MANUAL MULT TYPE High Wall Types MMK AP0307HPUL MMK AP0367HPUL Revised on Dec 2021 FILE NO SVM 21034 3 ...

Page 2: ... REFRIGERANTING CYCLE DIAGRAM 5 CONTROL OUTLINE 6 CONFIGURATION OF CONTROL CIRCUIT 7 APPLIED CONTROL 8 TROUBLESHOOTING 9 INSTALLATION MANUAL 10 12 REPLACEMENT OF P C BOARD FOR INDOOR UNIT SERVICING 13 EXPLODED VIEWS AND PARTS LIST HOW TO REPLACE MAIN PARTS 11 SPECIFICATIONS 2 6 11 13 14 15 16 17 18 24 33 50 74 112 121 125 ...

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: ...wer level H M L dB Gas side in Liquid in Drain port in VP16 Polyvinyl Chloride Tube Dia 0 87 Internal Dia 0 63 MMK AP0307HPUL MMK AP0367HPUL 8 80 10 60 10 00 11 70 Electrical characteristics Running current 0 53 0 58 Starting current 0 57 0 62 Power consumption 0 058 0 066 Outer diamension Main unit 13 78 Appearance Main unit 47 24 47 24 11 02 11 02 Total weight 46 3 46 3 Fan unit 942 824 706 971 ...

Page 14: ...irflow lover At the time of operation dimention to an opening Wireless remote controller Remote controller holder 2 3 58 0 8 20 6 8 172 2 5 63 0 7 17 5 5 9 149 1 5 38 0 9 23 2 2 57 or more Distance to ceiling side 1 5 38 3 3 85 43 0 1092 0 3 7 2 0 50 0 9 24 2 4 61 or more Distance to surface of wall 3 1 80 15 380 15 380 20 3 515 20 3 515 47 2 1200 4 8 123 or more Distance to surface of wall 0 4 10...

Page 15: ...3 WIRING DIAGRAM 15 ...

Page 16: ... Output Rated 61W 280V DC 4 phase DC 12V 10kΩ at 77 F 25 C 10kΩ at 77 F 25 C 10kΩ at 77 F 25 C 3 4 1 2 5 6 7 8 9 10 11 1 Air inlet grille 2 Air filter 3 Room temperature sensor 4 Front panel 5 Air outlet 6 Horizontal louver Front 7 Horizontal louver Back 8 Vertical louver For change horizontal air flow direction adjust manually 9 Display panel 10 Infrared signal receiver 11 Earth screw provided in...

Page 17: ...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 18: ...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 19: ...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 cleared...

Page 20: ... 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 21: ... 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 because at least one indo...

Page 22: ...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 23: ...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 24: ...on 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 contro...

Page 25: ...ide 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 input c...

Page 26: ...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 26 ...

Page 27: ...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 28: ...mote controller In case of wired remote controller RBC AMT 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 temperatu...

Page 29: ... 5 Setting louver position Field setting menu 1 2 Return Set 1 Test mode 2 Register service info 3 Alarm history 4 Monitor function 5 Setting louver position Field setting menu 1 2 Return Set Return Test mode start No Yes Test mode 3 Push the button to select 1 Test mode on the Field setting menu screen then push the Set Set F2 F2 button Pushing the Yes F1 F1 button sets the test mode and the scre...

Page 30: ...e Cool or Heat mode Temperature setting cannot be adjusted during the test mode Check codes are displayed as usual 5 When the test mode is finished push the button to select 1 Test mode on the Field setting menu screen then push the Set Set F2 F2 button The screen 3 appears Pushing the Yes Yes F1 F1 button stops the test mode screen and continues the normal operation NOTE The test mode stops after...

Page 31: ...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 32: ...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 33: ...e 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 the s...

Page 34: ...2 2 3 1 3 3 Set Unit DN setting Code DN Data 1 1 0001 0000 Return Fix 5 Push the Set Set F2 F2 button The setting display for the selected unit is displayed The fan and louver of the indoor unit operate 6 Push the to set DN code to 0001 then write down the setting data to be displayed Filter sign lighting time 7 Repeat the operation of 1 to 6 then write down the setting data like Table 1 Setting d...

Page 35: ...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 36: ...imer 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 North America model Indoor unit production after Jun 2021 does not need this DN setting Th...

Page 37: ... 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 38: ...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 39: ...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 40: ...ant 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 sett...

Page 41: ...DN and Data After Continue is Yes Yes F1 F1 button displayed on the screen push the Indoor address F1 F1 button then set 0013 with the Move the cursor to select Code DN with the button Move the cursor to select Data with the F2 F2 button then set Indoor address Data with the button 5 Push the MENU button to set the other Code DN and Data After Continue is Yes Yes F1 F1 button displayed on the scre...

Page 42: ...troller 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 fan l...

Page 43: ...ted unit changes as follows each time the button is pushed 1 1 1 2 3 3 5 Push the Set Set F2 F2 button The setting display for the selected unit appears When the group control is used the fan and louver of the selected indoor unit operate 6 Push the MENU button to set the other Code DN and Data After Continue is displayed on the screen push the No No F2 F2 button to finish the setting operation Se...

Page 44: ...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 45: ...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 46: ... 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 47: ...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 48: ... display code refer to the following table 3 Push UNIT LOUVER left side button button to change The sensor temperature of indoor unit or outdoor unit in its refrigerant line and the operating status are monitored 4 Push TEST button to return the status to the normal display to item to be monitored SVM 13085 indb 50 SVM 13085 indb 50 12 24 13 10 56 AM 12 24 13 10 56 AM RBC AMT RBC AMS5 E UL The sen...

Page 49: ... 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 50: ...speed changes Indoor 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 opera...

Page 51: ... 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 52: ...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 53: ...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 54: ...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 55: ... 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 56: ... 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 57: ... 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 58: ... Contact Contact F1 F1 button to display the contact number for service Push the Information Information F2 F2 button to display the model name and serial number of the unit Confirming an alarm history Ten check codes in the past troubled unit and date when trouble occurred are displayed on Alarm history screen Field setting menu 1 2 1 Push the button to select 3 Alarm history on the Field setting...

Page 59: ...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 60: ...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 61: ... 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 61 ...

Page 62: ...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 63: ...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 64: ...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 65: ...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 66: ...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 67: ...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 68: ...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 69: ...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 70: ...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 71: ...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 72: ...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 73: ...15 C 14 F 10 C 23 F 5 C 32 F 0 C 41 F 5 C 50 F 10 C 59 F 15 C 68 F 20 C 77 F 25 C 86 F 30 C 95 F 35 C 104 F 40 C 113 F 45 C 122 F 50 C 131 F 55 C 140 F 60 C 149 F 65 C 158 F 70 C 167 F 75 C 176 F 80 C 185 F 85 C 194 F 90 C 203 F 95 C 212 F 100 C Indoor TC1 sensor 50 100 150 200 5 10 15 20 0 0 Resistance kΩ 50 F 10 C or below Resistance kΩ 50 F 10 C or below Resistance kΩ 115 2 84 2 62 3 46 6 35 2 ...

Page 74: ...T This Air Conditioner uses R410A an environmentally friendly refrigerant Contents 1 PRECAUTIONS FOR SAFETY 2 ACCESSORY PARTS 3 SELECTION OF INSTALLATION PLACE 4 INSTALLATION OF INDOOR UNIT 5 CUTTING A HOLE AND MOUNTING INSTALLATION PLATE 6 PIPING AND DRAIN HOSE INSTALLATION 7 INDOOR UNIT FIXING 8 DRAINAGE 9 REFRIGERANT PIPING 10 ELECTRICAL CONNECTION 11 APPLICABLE CONTROLS 12 TEST RUN 13 TROUBLES...

Page 75: ...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 76: ...table below Failure to wear the proper protective gear could lead 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 He...

Page 77: ...th 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 HAZARD Open the ...

Page 78: ... injury to your body Before opening the front panel of the indoor 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 and do the work required Before carrying out ...

Page 79: ...ditioner 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 becomes concentrated around the unit a fire may occur To transport the air condit...

Page 80: ...efrigerating 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 installer 1 or qualified service person 1 is allowed to carry out the electrical work of the air conditioner Under no circumstances must this work b...

Page 81: ...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 500V Me...

Page 82: ...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 83: ...customers Owner s Manual 1 Hand over to customers Installation plate 1 Wireless remote controller 1 Battery 2 Remote controller holder 1 Mounting screw Ø5 32 4 mm 1 0 25 mm 6 Flat head wood screw Ø1 8 3 1 mm 0 6 16 mm 2 Screw Ø5 32 4 mm 0 4 10 mm 3 Heat insulator 1 Eletrical cover 2 holes 1 83 ...

Page 84: ...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 85: ...ttom left and left piping Split out 2 pieces of SPACER from indoor unit packing material insert between the indoor unit and wall to tilt the indoor unit for better operation The auxiliary piping can be connected to the left rear left rear right right bottom right or bottom left Do not allow the drain hose to get slack Insulate the refrigerant pipes separately with insulation not together 0 2 6 mm ...

Page 86: ...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 87: ...ole Direction to remove 3 Remove the EDGE SADDLE take off from electical cover 1 hole Remove the screw 1 part Installation of eletrical cover 2 holes type REQUIREMENT In case of group control electrical cover 1 hole type need to change to electrical cover 2 holes type Step to remove the electrical cover 1 hole 1 The electical cover 1 hole can be removed by removing the screw securing the electical...

Page 88: ...l 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 result in personal injury and property damage Mounting the installa...

Page 89: ...om 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 pulling out the d...

Page 90: ...lug No gap Insert a hexagon wrench 0 16 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 scribing sli...

Page 91: ...et 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 two only with facing tape Carefully arrange pipes so that a...

Page 92: ...se with shield pipe NOTE Hole should be made at a slight downward slant on the outdoor side Do not rise the drain hose Shield pipe Drain hose Extension drain hose Inside the room Do not form the drain hose into a wavy shape 2 50 mm or more Do not put the drain hose end into water Do not put the drain hose end in the drainage ditch CAUTION Arrange the drain pipe for proper drainage from the unit Im...

Page 93: ...EQUIREMENT When the refrigerant pipe is long provide support brackets at intervals of 8 2 9 9 2 5 3 m to clamp the refrigerant pipe Otherwise abnormal sound may be generated They vary according to the outdoor unit For details refer to the Installation Manual attached to the outdoor unit CAUTION CAUTION Pipe size MMK PIPE SIZE mm Gas side Liquid side AP0307 AP0367 5 8 15 9 3 8 9 5 dia in mm Permiss...

Page 94: ...uble 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 may crack the nut depending on installation conditions Tighten the nut within the specified tightening torque Fo...

Page 95: ... 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 circ...

Page 96: ... In case of wired type only In case of wireless type included Up to 1640 5 500 m Up to 1312 4 400 m Up to 656 2 200 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 UL wire rated 600V for the power supply Use UL...

Page 97: ...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 98: ...tening 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 t...

Page 99: ...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 100: ...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 101: ...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 102: ...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 103: ...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 104: ...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 105: ...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 106: ... 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 107: ...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 108: ...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 109: ...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 110: ...nditioners is 0 019 lbs ft3 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 22 lbs 10 kg Outdoor unit Indoor unit Room A e g charged amount 33 lbs 15 kg Min volume of the indoor unit installed room ft3 m Concentration limit lbs ft3 kg m3 NOTE 1 Room B Room C Room D R...

Page 111: ...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 112: ...ted a fire and or electric shocks may occur Before proceeding with the test run install the front panel and cabinet Ensure that the following steps are taken when doing repairs on the refrigerating cycle 1 Do not allow any naked flames in the surrounding area If a gas stove or other appliance is being used extinguish the flames before proceeding If the flames are not extinguished they may ignite a...

Page 113: ...d securely remove screws 4 pcs at the front panel 3 2 Step 2 Lower screw cap How to open screw cap Step 1 Push up screw cap Screw cap Hooks Clue 4 Pull the clue of a front panel and remove the hook of the back body 5 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 113 ...

Page 114: ...vaporator 6 Remove TA sensor from the evaporator 7 Remove the 2 fixing screws that secures the electric parts box assembly unit display assembly and remove the electric parts box assembly Earth screw Earth line Washer TC sensor or TCJ sensor Sensor holder U3 U4 A B 1 2 3 TA sensor Earth line TCJ sensor exists a tube TC sensor no tube Fan motor connector Louver motor connector The sensor earth line...

Page 115: ...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 edges may cause injury To re installation To install the drain hose insert the drain hose firmly until the connection part contacts with heat insulator and then secure it with original screw Screw Drain hos...

Page 116: ... middle connector of louver motor code 5P 5 Remove 2 fixing screws from the drain pan then remove the drain pan assembly from the body back Screw Middle connector Unit display Screws To re installation Press the drain pan into the back body Please confirm that drain pan is attached certainly Please confirm that center arm of drain pan has fitted into back body certainly Center arm of drain pan Fit...

Page 117: ...re item 3 7 and 8 Loosen the set screw of the cross flow fan Hexagon screw driver Cross flow fan Vertical louver set 3 4 Remove 2 fixing screws of the motor band Pull the motor band and the fan motor outward Keep connector position and arrange fan motor wires follow figure To re installation Screws Fan motor Motor band Motor band Fan motor connector must not contact the Motor band Fan motor connec...

Page 118: ... motor and then pull out the lower side of heat exchanger follow the figure 10 Cross flow fan 3 4 5 Heat exchanger Cross flow fan Screw Bearing base Screw Heat exchanger Cross flow fan 1 To re installation Holding the set screw install the cross flow fan so that thin area on shaft of the fan motor comes to the mounting hole of the set screw To incorporate the fan motor and the motor into the posit...

Page 119: ...side of the main unit Remove 3 fixing screw at the upper right side of the heat exchanger Remove fixing screw at the under right side of the heat exchanger Follow the procedure item and Remove 4 fixing screws at the left side of the heat exchanger Heat exchanger Screw Heat exchanger Pipe holder Screw 2 1 119 ...

Page 120: ...No Part name Common procedure Procedure Remarks Microcomputer 1 Replace terminal block microcomputer ass y and the P C board ass y Perform procedure item and of Indoor Unit 120 ...

Page 121: ... 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 12 Replacement of P C Board f...

Page 122: ...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 123: ... 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 124: ...able Presence of Application 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...

Page 125: ...3T62403 223 43T19333 250 43T97312 224 43T49381 251 43T97314 225 43T49383 252 43T82318 226 43T49384 FRONT PANEL ASSY CAP SCREW ASSY GRILLE OF AIR INLET ASSY AIR FILTER BACK BODY ASSY HORIZONTAL LOUVER ASSY MOTOR LOUVER DRAIN PAN ASSY GEAR ASSY VERTICAL LOUVER FRONT VERTICAL LOUVER BACK DRAIN HOSE ASSY DRAIN CAP FAN MOTOR CROSS FLOW FAN ASSY BASE BEARING ASSY BEARING ASSY MOLD MOTOR COVER ASSY MOTOR...

Page 126: ...art Location Part No No No No 401 43TN9352 408 43T60548 402 43T60448 409 43T60546 403 43T60078 410 43T60545 404 43T50391 411 43T60539 405 43T50410 412 43T6V932 406 43T50414 413 43T63356 ASM HOUSING PW ASM HOSING BUS ASM HOUSING REM ASM HOUSING MOV PC BOARD ASSY HOLDER TA 407 43T50306 PC BOARD ASSY TERMINAL TERMIMAL BLOCK SENSOR THERMOSTAT TC SENSOR TC SENSOR TEMPERATURE SENSOR Description Descript...

Page 127: ...144 9 MOO 5 BANGKADI INDUSTRIAL PARK TIVANON ROAD TAMBOL BANGKADI AMPHUR MUANG PATHUMTHANI 12000 THAILAND ...

Search results

Summary of Contents for MMK-AP0307HPUL

Reviews:

Related manuals for MMK-AP0307HPUL

Brands by name

Popular brands

Toshiba MMK-AP0307HPUL, Service Manual

Search results

Summary of Contents for MMK-AP0307HPUL

Reviews:

Related manuals for MMK-AP0307HPUL

Brands by name

Popular brands