Toshiba MMK-AP0074MHP-E1 Service Manual Download Page 25

Page: 25 / 123

6-1-2. Case of Wireless Remote Controller Kit Connected

Remote controller

comm

unication

circuit

CPU

H8/3039

Same

as left

Same

as left

Outdoor

unit

Outdoor

unit

Indoor unit

Sensor displa

y P

. board

(MCC-819)

Main P

. board (MCC-1510)

DC20V

DC12V

DC5V

DC280V

Sensor par

Louv

motor

Indoor

fan motor

EEPR

A sensor

TC sensor

TCJ sensor

er supply

1Ø, 220 - 240V

, 50Hz

1Ø, 220V

, 60Hz

Outdoor unit

synchronous

signal input

circuit

Ser

ial send/

receiv

circuit

Remote

controller

A/B setup

an motor

control circuit

Star

Alar

Ready

Ther

mostat ON

COOL

HEA

Outside

output

circuit

Max.

8 units are connectab

In g

roup connection, mount the

centr

al control remote controller to

roup header unit.

LED

FILE NO. SVM-1

Summary of Contents for MMK-AP0074MHP-E1

Page 1: ...MMK AP0094MHP E1 MMK AP0124MHP E1 MMK AP0074MHP TR1 MMK AP0094MHP TR1 MMK AP0124MHP TR1 This Service Manual describes contents of the new High Wall indoor unit For the outdoor unit refer to the Manual with FILE NO A10 005 A05 004 1 A05 015 The service parts will be supplied by TCTC ...

Page 2: ...M 15 3 PARTS RATING 16 4 REFRIGERANTING CYCLE DIAGRAM 17 5 CONTROL OUTLINE 18 6 CONFIGURATION OF CONTROL CIRCUIT 24 7 APPLIED CONTROL 31 8 TROUBLESHOOTING 44 9 INSTALLATION MANUAL 68 10 HOW TO REPLACE MAIN PARTS 89 11 REPLACEMENT OF SERVICE INDOOR P C BOARD 115 12 EXPLODED VIEWS AND PARTS LIST 120 FILE NO SVM 14078 ...

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

Page 4: ...ughly in the following contents Indications Illustrated marks and keep them Explanation of indications 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 parties when an incorrect work has been executed Indicates possibilities assumed that a danger causing a death or serious injury...

Page 5: ...he 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 before th...

Page 6: ...sition 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 panel t...

Page 7: ...ies 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 setting tes...

Page 8: ...pes 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 may cause...

Page 9: ... 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 to rel...

Page 10: ...t breaker where it can be easily accessed by the qualified service person 1 If you install the unit in a small room take appropriate measures to prevent the refrigerant from exceeding the limit concentration even if it leaks Consult the dealer from whom you purchased the air conditioner when you implement the measures Accumulation of highly concentrated refrigerant may cause an oxygen deficiency a...

Page 11: ...DB United Kingdom Hereby declares that the machinery described below Generic Denomination Air Conditioner Model type Indoor unit MMK AP0074MHP E1 MMK AP0094MHP E1 MMK AP0124MHP E1 MMK AP0074MHP TR1 MMK AP0094MHP TR1 MMK AP0124MHP TR1 Commercial name Super Modular Multi System Air Conditioner Super Heat Recovery Multi System Air Conditioner MiNi Super Modular Multi System Air Conditioner MiNi SMMS ...

Page 12: ... 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 composition ...

Page 13: ...uating Refrigerant charge Refrigerant charge Gas leakage check Refrigerant charge Conventional air conditioner installation Whether new equipment can be used with conventional refrigerant Yes Note 1 No No Yes Yes No Yes No 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 Ye...

Page 14: ...321 275 790 Hock for insulation plate Refrigerant pipe connecting port Gas side Ø9 5 Refrigerant pipe connecting port Liquid side Ø6 4 Drain pipe 60 54 5 208 60 54 5 48 790 48 Knockout 60 Note All dimensions are in mm Installation space 100mm or more 170mm or more 300mm or more 170mm or more For attached Flow Selector unit of heat recovery model FILE NO SVM 14078 ...

Page 15: ...Heat exchanger sensor TCJ Thermo sensor TA Wierd remote controller Sold Separately CN100 BRW CN101 BLU CN103 GRN CN102 YEL CN104 WHI CN1 WHI BLK DC 15V DC 0V DC 12V DC 7V BLK HBS BLK CN22 F S CN82 BLU WHI 1 3 1 3 10 9 8 7 6 5 4 3 2 1 10 9 8 7 4 3 2 1 2 3 4 5 6 7 10 11 1 2 3 4 5 6 1 2 3 4 5 1 2 3 4 5 6 2 3 4 5 6 1 2 3 4 5 6 1 3 4 5 6 1 3 4 5 6 7 8 9 9 5 4 3 2 1 5 4 3 2 1 6 5 4 3 2 1 2 1 6 5 4 3 2 1...

Page 16: ...r to be discharged according to cool heat mode 3 PARTS RATING 3 1 Parts Rating No 1 2 3 4 5 6 Parts Name Fan motor for indoor Grille motor Thermo Sensor TA sensor Heat exchanger sensor TC1 sensor Heat exchanger sensor TC2 sensor Heat exchanger sensor TCJ sensor Type ICF 340 30 MF 340 30 MP24Z 318mm Ø4 600mm Ø6 800mm Ø6 800mm Specications Output Rated 30W 280 340V DC 10kΩ at 25 C 10kΩ at 25 C 10kΩ ...

Page 17: ... M TA Functional part name Temp sensor 1 TA 2 TC1 3 TC2 4 TCJ Functional outline 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 CN102 2P Yellow 1 Controls PMV super heat in cooling operation FILE NO SVM 14078 ...

Page 18: ...ermission mode Neither AUTO mode of the standard model nor HEAT mode of Cooling only model can be selected When a wireless remote control is used the mode is notified by the receiving sound Pi Pi Twice and alternative flashing of and To release the alternative flashing change the mode on the wireless remote controller 1 Adjustment range Set temperature on remote controller C Wired type Wireless ty...

Page 19: ...on of J zone operation of the the indoor fan in LOW L mode until it reaches the 1 zone It is reset when the following conditions are satisfied Reset conditions 1 TC1 12 C and TC2 12 C and TCJ 12 C 2 20 minutes passed after stop 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 the...

Page 20: ...ng 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 positi...

Page 21: ...rant 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 unavailabl...

Page 22: ...ature Only 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 ...

Page 23: ...e MEMO button 1 Press the PRESET button The setting memorized with the MEMO button will be indicated and the air conditioner operates with regards to the setting The lamp green on the display panel of the indoor unit goes on and operation starts after approximately 3 minutes Initial setting MODE AUTO Temperature 22 20 DC motor 1 When the fan stator positioning is performed for the starter and the ...

Page 24: ...Indoor unit 1 Sensor display P C board MCC 819 Main P C board MCC 1510 DC20V DC12V DC5V DC280V Sensor part Louver motor Indoor fan motor EEPROM TA sensor TC sensor TCJ sensor HA Power supply 1Ø 220 240V 50Hz 1Ø 220V 60Hz Outdoor unit AC synchronous signal input circuit BUS communication circuit Remote controller A B setup Fan motor control circuit Start Alarm Ready Thermostat ON COOL HEAT FAN Outs...

Page 25: ...12V DC5V DC280V Sensor part Louver motor Indoor fan motor EEPROM TA sensor TC sensor TCJ sensor HA Power supply 1Ø 220 240V 50Hz 1Ø 220V 60Hz U1 U2 Outdoor unit AC synchronous signal input circuit Serial send receive circuit Remote controller A B setup Fan motor control circuit Start Alarm Ready Thermostat ON COOL HEAT FAN Outside output Power circuit Max 8 units are connectable 1 In group connect...

Page 26: ... Remote controller CN41 DC 20V Fan drive CN32 DC 12V Louver CN33 DC 20V DC fan input output CN210 Terminator resistor provided not provided Remote controller A B switch SW01 Display output Wireless sensor CN213 DC 5V Option power supply CN309 AC 200V Central control CN40 DC 5V TCJ sensor CN102 DC 5V Microcomputer operation LED D02 TC sensor CN101 DC 5V EEPROM IC10 Inter unit wire CN67 AC 200V FILE...

Page 27: ...output ON when Real thermo ON Comp ON 4 Cooling output ON when operation mode is cooling line Cool Dry Cooing Heating AUTO cooling 5 Heating output ON when operation mode is heating line Heat Cooling Heating AUTO heating Optional output CN60 6 Fan output ON when indoor fan is ON 1 DC12V COM 2 DC12V COM Outside error input CN80 3 Filter Option Outside error input At shipment from factory the error ...

Page 28: ...he next page item of Test run of the wireless remote controller u In case of wired remote controller RBC AMT32E RBC AMS41E Procedure 1 2 3 4 5 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 mo...

Page 29: ...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 TEMPORARY 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 check an oper...

Page 30: ...n 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 indoor PMV...

Page 31: ...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 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 selected ...

Page 32: ...hift 0001 1 C 0002 2 C to 0010 10 C Up to 6 recommended 0000 Provided 0001 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 0034 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 Fo...

Page 33: ...007 0009 0011 Model 007 009 012 015 018 024 Setup data 0012 0013 0015 0017 0018 Model 027 030 036 048 056 Setup data 1 008 Type High Wall Abbreviated Model name MMK AP XXX HP Item Timer setup Wired remote controller CODE No DN 60 Description 0000 Available Operable 0001 Unavailable Operation prohibited At shipment 0000 Available FILE NO SVM 14078 ...

Page 34: ...put during normal operation 3 Error signal Output during alarm Serial communication error or indoor outdoor protective device operation 2 Wiring diagram using remote control interface TCB IFCB 4E2 Input IFCB 4E2 No voltage ON OFF serial signal Output No voltage contact for operation error display Contact capacity Below Max AC240V 0 5A 1 2 3 4 5 6 CN61 T10 YEL 1 2 3 4 1 2 3 4 5 6 CN13 CN06 Start St...

Page 35: ... the fan of the selected indoor unit only turns on 3 Using the setup temp or button specify the CODE No 31 4 Using the timer time or button select the setup data At shipment 0000 The setup data are as follows Setup data 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 the selected indoor unit g...

Page 36: ...that card is taken out from the card switch box When the card switch box does not perform the above contact operation convert it using a relay with B contact 2 Operation Handle the wired remote controller switch in the following procedure Use the wired remote controller switch during stop of the system 1 Push concurrently SET CL TEST buttons for 4 seconds or more 2 Using the setup temp or button s...

Page 37: ...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 setting the line address from the wired remote control...

Page 38: ...ntroller 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 ...

Page 39: ... displayed one after the other In this time fan and louver of the selected indoor unit only operate ò 3 Using the set temperature TEMP buttons specify the CODE No DN ò 4 Using the timer time TIME buttons select the set data ò 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 ò 6 Pushing TEST button...

Page 40: ... button ò 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 ò 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 start oper...

Page 41: ...ess Change are displayed ò 2 Select line address using UNIT LOUVER SWING FIX button ò 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 ò 4 TIME button push up down the indoor address of the SET DATA The set d...

Page 42: ... button to set the CODE No to FF 3 The display of A part in the following figure is counted as 0005 0004 0003 0002 0001 0000 with 5 seconds interval When 0000 appear the error was cleared However counting from is repeated on the display screen 4 When pushing TEST button the status becomes normal How to clear error of indoor unit The error of indoor unit is cleared by ON OFF button of the wired rem...

Page 43: ...2 01 Only compressor 1 is ON 10 Only compressor 2 is ON 11 Both compressor 1 and 2 are ON Note 3 For the CODE No an example of header unit is described Note 4 Upper girder of CODE No indicates the outdoor unit No 1 Header unit A 2 Follower unit B 3 Follower unit C 4 Follower unit D System data Individual outdoor unit data Note 3 4 CODE No 00 01 02 03 04 05 08 F2 F3 0A 0B 0C 0D Data name Room temp ...

Page 44: ...n does not stop Start stop operation on remote controller is unavailable Check items Is not delayed for 3 minutes 3 minutes after compressor OFF Is not thermostat OFF Is not the fan operating or timer Is not the system initially communicating Heating operation cannot be performed under condition of outside temperature 21 C or higher Cooling operation cannot be performed under condition of outside ...

Page 45: ...emote 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 error ...

Page 46: ...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 defective po...

Page 47: ...ure sensor Pd Ps miswiring Outdoor discharge 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 A...

Page 48: ... 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 Miswirin...

Page 49: ...d 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 indoor u...

Page 50: ...k down Compressor error Lock Current detection circuit error High pressure SW system operation Heat sink overheat error IPDU for outdoor fan error G Tr IGBT short circuit protection error Compressor position detection circuit system error Description Open Short of outdoor unit IGBT built in temp sensor TH was detected Inverter current Idc detection circuit detected over current Compressor lock was...

Page 51: ... 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 Chec...

Page 52: ...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 confir...

Page 53: ... 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 communication d...

Page 54: ...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 Protectio...

Page 55: ... 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 FILE NO SVM 14078 ...

Page 56: ...m 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 indoor a...

Page 57: ... signal was not returned for constant 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 o...

Page 58: ...f 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 sensor con...

Page 59: ...ver 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 Pd sens...

Page 60: ...nting 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 open ...

Page 61: ...onnector 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 Check T...

Page 62: ... 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 of indo...

Page 63: ...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 Gas sid...

Page 64: ...logging 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 Check...

Page 65: ...s 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 Windy sta...

Page 66: ...ration 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 contr...

Page 67: ...5 100 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 12 6 1...

Page 68: ...7 13 Troubleshooting 99 Please read this Installation Manual carefully before installing the Air Conditioner This Manual describes the installation method of the indoor unit For installation of the outdoor unit follow the Installation Manual attached to the outdoor unit ADOPTION OF NEW REFRIGERANT This Air Conditioner is a new type which adopts a new refrigerant HFC R410A instead of the convention...

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

Page 70: ... 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 50 cm or more Helmets for use in industry Transportation of h...

Page 71: ...result in injury CAUTION BURST HAZARD Open the service valves before the operation otherwise there might be the burst WARNING ELECTRICAL SHOCK HAZARD Disconnect all remote electric power supplies before servicing WARNING Moving parts Do not operate unit with grille removed Stop the unit before the servicing CAUTION High temperature parts You might get burned when removing this panel CAUTION Do not...

Page 72: ...r 1 or qualified service person 1 is allowed to undertake work at heights using a stand of 50 cm or more or to remove the intake grille of the indoor unit to undertake work Wear protective gloves and safety work clothing during installation servicing and removal Do not touch the aluminium fin of the unit You may injure yourself if you do so If the fin must be touched for some reason first put on p...

Page 73: ...ibration water leakage or other trouble Carry out the specified installation work to guard against the possibility of high winds and earthquake If the air conditioner is not installed appropriately a unit may topple over or fall down causing an accident If refrigerant gas has leaked during the installation work ventilate the room immediately If the leaked refrigerant gas comes in contact with fire...

Page 74: ...hat the electrical parts box cover of the indoor unit and service panel of the outdoor unit are closed and set the circuit breaker to the ON position You may receive an electric shock if the power is turned on without first conducting these checks If there is any kind of trouble such as an error display has appeared smell of burning abnormal sounds the air conditioner fails to cool or heat or wate...

Page 75: ...embrane or oil and its pressure is approx 1 6 times higher than that of refrigerant R22 Accompanied with the new refrigerant refrigerating oil has also been changed Therefore do not let water dust former refrigerant or refrigerating oil enter the refrigerating cycle during installation work To prevent charging an incorrect refrigerant and refrigerating oil the sizes of connecting sections of charg...

Page 76: ...a t s n I 1 r e l l o r t n o c e t o m e r s s e l e r i W 2 y r e t t a B 1 r e d l o h l o r t n o c e t o m e R 6 5 2 4 Ø w e r c s g n i t n u o M 2 6 1 1 3 Ø w e r c s d o o w d a e h n a P Name Owner s manual Installation manual Paper pattern 1111058901_EN indb 9 1111058901_EN indb 9 11 19 14 3 34 PM 11 19 14 3 34 PM FILE NO SVM 14078 ...

Page 77: ...m or damage resin parts Place where organic solvent is used nearby Place close to a machine generating high frequency Place where the discharged air blows directly into the window of the neighbour house Outdoor unit Place where noise of the outdoor unit is easily transmitted When install the outdoor unit on the boundary with the neighbour pay due attention to the level of noise Place with poor ven...

Page 78: ...unit and wall and tilt the indoor unit for better operation Do not allow the drain hose to get slack Cut the pipinghole sloped slightly Run the drain hose sloped downward The auxiliary piping can be connected to the left rear left rear right right bottom right or bottom left Right Rear right Bottom right Bottom left Rear left 100 mm or more 170 mm or more 170 mm or more Hook Installation plate Hoo...

Page 79: ...anual Wireless remote controller A place where there are no obstacles such as a curtain that may block the signal from the indoor unit Do not install the remote controller in a place exposed to direct sunlight or close to a heating source such as a stove Keep the remote controller at least 1 m apart from the nearest TV set or stereo equipment This is necessary to prevent image disturb bounces or n...

Page 80: ...kaged if possible If carrying in the indoor unit unpacked by necessity buse buffering cloth or other material to not damage the unit To move the indoor unit do not apply force to the refrigerant pipe drain pan foamed parts or resin parts or other parts Carry the package by two or more persons and do not bundle it with plastic band at positions other than specified Be careful to the following items...

Page 81: ...e figure 3 Install the installation plate horizontally in the wall CAUTION To install 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 CAUTION Failure to firmly install the unit may result in personal injury and property damage if the unit falls In case of block brick concrete or similar ...

Page 82: ...leftward connection bottom leftward connection and rear leftward connection s piping it is necessary to change the drain hose and drain cap Without changing the drain hose position the indoor unit will not fit to the wall How to remove the drain hose The drain hose can be removed by pulling out the drain hose To remove the drain hose be careful of any sharp edges of steel plate The edges can injur...

Page 83: ...he front panel with a knife or a marking off pin cut them with a pair of nippers or an equivalent tool In case of bottom right or bottom left piping After scribing slits of the front panel with a knife or a marking off pin cut them with a pair of nippers or an equivalent tool 4 mm No gap Do not apply lubricating oil refrigerant machine oil during inserting the drain cap Application causes deterior...

Page 84: ...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 any pipe does not stick out of the rear plate of the indoor unit Carefully connect the auxiliary pipes and connecting pipes to one another and cut off the insulating tape wound on the connecting pipe to avoid double taping at the joint more...

Page 85: ...t water in the drain pan and confirm that the water is drained out of doors 3 Before connecting extension drain hose insulate the connecting part of extension drain hose with shield pipe CAUTION Arrange the drain pipe for proper drainage from the unit Improper drainage can result in dew dropping This air conditioner has the structure designed to drain water collected from dew which forms on the ba...

Page 86: ...nit For details refer to the Installation Manual attached to the outdoor unit 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 for R410A are recommended However the conventional tools can be us...

Page 87: ...Manual attached to the outdoor unit CAUTION Do not supply power to the indoor unit until the airtight test and vacuuming are completed If the indoor unit is powered on the pulse motor valve is fully closed which extends the time for vacuuming Open the valve fully Open the valve of the outdoor unit fully Heat insulation Heat insulation for the pipes should be done separately for the liquid side and...

Page 88: ...nductive core and inner insulator of power and inter connecting wires during peeling them Use the power cord and Inter connecting wire of specified thickness type and protective devices required Do not connect 220 V 240 V power to the terminal blocks for control wiring Otherwise the system will fail Perform the electric wiring so that it does not come to contact with the high temperature part of t...

Page 89: ...d wire The length of the communication line means the total length of the inter unit wire length between indoor and outdoor units added with the central control system wire length Communication line Wired remote controller wiring 2 core with non polarity wire is used for wiring of the remote controller wiring and group remote controllers wiring Power supply 220 V 240 V 50 Hz 220 V 60 Hz Power supp...

Page 90: ...ol system due to noise or other factor Wiring between indoor and outdoor units NOTE An outdoor unit connected with control wiring between indoor and outdoor units wire becomes automatically the header unit n L 2 L 1 L Indoor unit Remote controller inter unit wiring Indoor unit Indoor unit Indoor unit Remote controller Max 8 units Remote controller wiring 1111058901_EN indb 23 1111058901_EN indb 23...

Page 91: ...ch Remote controller Indoor unit Outdoor Power supply 380 V 415 V 50 Hz 380 V 60 Hz Remote controller Remote controller Indoor unit Indoor unit Indoor unit Circuit breaker Circuit breaker Header outdoor unit Follower outdoor unit Control wiring between outdoor units Control wiring between indoor and outdoor units Control wiring between indoor units Indoor power supply 220 V 240 V 50 Hz 220 V 60 Hz...

Page 92: ...e it tightly with screws Tightening torque 1 2 N m 0 12 kgf m Secure the earth line with the earth screw 8 Insert the control wire fully into the control wired remote controller terminal block and secure it tightly with screws 9 Clamp the power supply wire and the control wire with the cord clamp 10 Attach the terminal cover the front panel and the air intake grille to the indoor unit CAUTION Refe...

Page 93: ... Tightening torque 1 2 N m 0 12 kgf m Secure the earth line with the earth screw 6 Connect the control wire connector of the flow selector unit to the lead with a connector to the under of the terminal block 7 Take the control wire outwards through the slit of the terminal block 8 Clamp the power supply wire and control wire of the flow selector unit tight with the cord clamp 9 Attach the wiring c...

Page 94: ...rmer types of remote controller RBC AMT21E AMT31E The number of CODE No has increased 1 Push button and TEMP button simultaneously for at least 4 seconds After a while the display flashes as shown in the figure Confirm that the CODE No is 01 If the CODE No is not 01 push button to erase the display content and repeat the procedure from the beginning No operation of the remote controller is accepte...

Page 95: ...ccepted Filter sign setting According to the installation condition the lighting time of the filter sign Notification of filter cleaning can be changed Follow to the basic operation procedure 1 o 2 o 3 o 4 o 5 o 6 For the CODE No in Procedure 3 specify 01 For the SET DATA in Procedure 4 select the SET DATA of filter sign term from the following table To secure better effect of heating When it is d...

Page 96: ... units in a group is performed in the following procedure Connect the indoor units by connecting the remote controller inter unit cables from the remote controller terminal blocks A B of the indoor unit connected with a remote controller to the remote controller terminal blocks A B of the other indoor unit Non polarity For address setup refer to the Installation Manual attached to the outdoor unit...

Page 97: ...lied with the outdoor unit Execute a test run Using the wired remote controller operate the unit as usual For the procedure of the operation refer to the attached Owner s Manual A forced test run can be executed in the 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 ...

Page 98: ...to the temperature conditions Check wiring piping of indoor and outdoor units 1 When TEMPORARY button is pushed for 10 seconds or more Pi sound is heard and the operation changes to a forced cooling operation After approx 3 minutes a cooling operation starts forcedly Check cool air starts blowing If the operation does not start check wiring again 2 To stop a test operation push TEMPORARY button on...

Page 99: ...y up to 4 errors The log can be confirmed from both operating status and stop status 1 When and buttons are pushed simultaneously for 4 seconds or more the following display appears If Service check is displayed the mode enters in the error log mode 01 Order of error log is displayed in CODE No window Check code is displayed in CHECK window Indoor unit address in which an error occurred is display...

Page 100: ...Flashing Goes off AI NET Artificial Intelligence IPDU Intelligent Power Drive Unit ALT Flashing is alternately when there are two flashing LED SIM Simultaneous flashing when there are two flashing LED Check code Wireless remote controller Check code name Judging device Wired remote controller display Outdoor unit 7 segment display AI NET central control display Sensor block display of receiving un...

Page 101: ...2 Other line connected during automatic address I F E21 E21 02 No header unit 00 Multiple number of header units 42 Error in number of heat storage master units I F E22 E22 42 Reduction in number of heat storage units I F E23 E23 15 Sending error in communication between outdoor units Error in number of heat storage units trouble with reception I F E25 E25 15 Duplicated follower outdoor addresses ...

Page 102: ...2 F22 B2 ALT TD3 sensor error I F F23 F23 43 ALT Ps sensor error I F F24 F24 43 ALT Pd sensor error I F F29 12 SIM Indoor unit other error Indoor unit F31 F31 1C SIM Indoor unit EEPROM error I F H01 H01 01 Comp 1 side 02 Comp 2 side 03 Comp 3 side IF Compressor break down IPDU H02 H02 01 Comp 1 side 02 Comp 2 side 03 Comp 3 side 1d Compressor trouble lock IPDU H03 H03 01 Comp 1 side 02 Comp 2 side...

Page 103: ...ty I F L06 L06 No of indoor units with priority 96 SIM Duplicated indoor units with priority Displayed in unit other than indoor unit with priority I F L07 99 SIM Group line in individual indoor unit Indoor unit L08 L08 99 SIM Indoor unit group Address unset Indoor unit I F L09 46 SIM Indoor unit capacity unset Indoor unit L10 L10 88 SIM Outdoor unit capacity unset I F L17 46 SIM Outdoor unit type...

Page 104: ...ide 02 Comp 2 side 03 Comp 3 side IC ALT Heat sink overheat error IPDU I F P09 P09 Detected heat storage address 47 ALT No heat storage unit water error Heat storage unit P10 P10 Detected indoor unit address Ob ALT Indoor unit overflow error Indoor unit P12 11 ALT Indoor unit fan motor error Indoor unit P13 P13 47 ALT Outdoor liquid back detection error I F P15 P15 01 TS condition 02 TD condition ...

Page 105: ...ndoor unit error Indoor unit b7 By alarm device ALT Error in indoor unit group AI NET 97 AI NET communication system error AI NET 99 Duplicated network adapters AI NET 1 Number of IPDU 01 Comp 1 02 Comp 2 03 Comp 1 Comp 2 04 Comp 3 05 Comp 1 Comp 3 06 Comp 2 Comp 3 07 Comp 1 Comp 2 Comp 3 08 Fan 09 Comp 1 Fan 0A Comp 2 Fan 0B Comp 1 Comp 2 Fan 0C Comp 3 Fan 0D Comp 1 Comp 3 Fan 0E Comp 2 Comp 3 Fa...

Page 106: ...iving unit Auxiliary code Operation Timer Ready Flash C05 Sending error in TCC LINK central control device TCC LINK C06 Receiving error in TCC LINK central control device TCC LINK C12 Batch alarm of general purpose equipment control interface General purpose equipment I F P30 Differs according to error contents of unit with occurrence of alarm Group control follower unit error TCC LINK L20 is disp...

Page 107: ...ditioner system is to be installed in a small room select a suitable model and installation procedure so that if the refrigerant accidentally leaks out its concentration does not reach the limit and in the event of an emergency measures can be made before injury can occur In a room where the concentration may exceed the limit create an opening with adjacent rooms or install mechanical ventilation ...

Page 108: ...he density limit is exceeded the volume of the next smallest room becomes the object NOTE 3 The minimum indoor floor area compared with the amount of refrigerant is roughly as follows When the ceiling is 2 7 m high Important Refrigerant piping Indoor unit Outdoor unit Outdoor unit Very small room Refrigerant piping Indoor unit Mechanical ventilation device Gas leak detector Small room Medium room ...

Page 109: ...r check method refer to APPLICABLE CONTROLS in this manual Filter sign lighting time CODE NO 01 F NO CHANGE F NONE 0000 F 150H 0001 F 2500H 0002 F 5000H 0003 F 10000H 0004 Filter sign lighting time CODE NO 01 F NO CHANGE F NONE 0000 F 150H 0001 F 2500H 0002 F 5000H 0003 F 10000H 0004 Filter sign lighting time CODE NO 01 F NO CHANGE F NONE 0000 F 150H 0001 F 2500H 0002 F 5000H 0003 F 10000H 0004 Fi...

Page 110: ...4 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 5 Take off LED base fixing screw 1 pc and remove LED base 6 Remove terminal block cover and then remove fan motor connector 5P louver motor ...

Page 111: ...Procedure Remarks grille 1 Remove shaft of the horizontal grille from the rear plate First remove the left shaft and then remove the other shafts while sliding the horizontal grille leftward Horizontal FILE NO SVM 14078 ...

Page 112: ...hanger 4 Take off fixing screws 2 pcs at the right side of the heat exchanger Remarks Bearing base Bearing Drain pipe Bearing 1 Perform works of items 4 and 5 and then remove bearing from the bearing base Caution to reassembly In case of shooting out of bearing part from the housing push into the specified position and incorporate in the main unit Pipe holder Fixing screws Fixing screws FILE NO SV...

Page 113: ...from the discharge port 4 Take off fixing screws 2 pcs to remove the motor band Right 5 Pull out the fan motor outward Remarks Assemble the fan motor as shown below 1 Perform works of items and 2 Take off fixing screws 2 pcs at the left side of the end plate of the heat exchanger and then take off fixing screws 2 pcs of the bearing base 3 Make the left side of the heat exchanger float slightly and...

Page 114: ...ion in the following figure and then mount the fan motor Mount the cross flow fan so that the right end of joint which is first one from right of the cross flow fan is set at position 70 5mm apart from wall of the rear side of the main unit Mount the cross flow fan so that D cut part at the center comes to the mounting hole of set screw Determine the position of fan motor as shown in the figure fo...

Page 115: ...le is working correctly by test operation Replacement procedure CASE 1 Before replacement power of the indoor unit can be turned on and the setup data can be readout by the wired remote controller Read EEPROM data see r1 ò Replace service P C board power ON see r2 ò Write the read data to EEPROM see r3 ò Power reset If in group operation reset the power for all indoor units which are connected to ...

Page 116: ... use the remote controller H2 Replacement of service P C board 1 Replace the P C board with a service P C board In this time setting of jumper line cut or setting of DIP switch on the former P C board should be reflected on the service P C board Refer to the following table about DIP switch setting and drawing of P C board parts layout 2 It is necessary ti set indoor unit to be exchanged Remote co...

Page 117: ...sistor for central control Remote controller A B selection Custom Multi model selection No use MMK AP 4MH series 1 1 ON OFF At shipment OFF Without terminator OFF A selection ON Multi model OFF A B A B A B Indoor unit P C board Remote controller Group wire Group wire Case 1 Remove the group wire of the terminal blocks A and B of the changed indoor unit and then install the remote controller only R...

Page 118: ...into EEPROM Repeat the above procedure 1 5 Using the set temperature button set to the CODE No DN 2 Setup of lighting time of filter sign 6 The contents of the displayed setup data in this time should be agreed with the contents in the previous memorandum in H1 1 If data disagree change the displayed setup data to that in the previous memorandum by the timer time buttons and then push SET button O...

Page 119: ...tput selection T10 Input selection T10 Sensor selection Timer set Wired remote controller Louver selection of cooling Memo Be sure to set as 0008 At shipment 0001 150 hour 0000 Standard 0099 Unfixed 0002 2 C 0000 Standard 0001 No auto mode Automatic selection cooling heating by connected 0000 Heat pump outdoor unit 0008 High wall type According to capacity type 0099 Unfixed 0099 Unfixed 0099 Unfix...

Page 120: ...120 12 EXPLODED VIEWS AND PARTS LIST 217 218 203 233 221 222 223 219 227 For TCJ TC2 For TC1 220 228 229 225 209 226 204 210 224 208 212 207 211 231 216 214 232 206 201 230 205 202 FILE NO SVM 14078 ...

Page 121: ...OSS FLOW FAN 224 43T21368 FAN MOTOR MF 340 30 1R 225 43T39315 BAND MOTOR LEFT 226 43T39303 BAND MOTOR R 227 43T82310 INSTALLATION PLATE 228 43T69309 WIRELESS REMOCON WH H2UE 229 43T83003 HOLDER REMOTE CONTROL 230 43T85589 OWNER S MANUAL 231 43T62318 TERMINAL COVER 232 43T07303 HOLDER PIPE 233 43T62319 COVER PMV ASSEMBLY MMK AP 0074MHP E1 0094MHP E1 0124MHP E1 0074MHP TR1 0094MHP TR1 0124MHP TR1 1 ...

Page 122: ...T EXCHANGER 406 43T50313 SENSOR THERMOSTAT 407 43T69926 PCB BOARD MCC 1510 408 43T69429 DISPLAY UNIT MCC 861 409 43T62003 CORD CLAMP 410 43T61301 COVER PARTS E 411 43T62315 COVER CONNECT P 412 43T72307 DRAIN GUIDE MMK AP 0074MHP E1 0094MHP E1 0124MHP E1 0074MHP TR1 0094MHP TR1 0124MHP TR1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 2 2 2 2 2 1 ...

Page 123: ...TOSHIBA CARRIER THAILAND CO LTD 144 9 MOO 5 BANGKADI INDUSTRIAL PARK TIVANON ROAD TAMBOL BANGKADI AMPHUR MUANG PATHUMTHANI 12000 THAILAND ...

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Toshiba MMK-AP0074MHP-E1, Service Manual, Page: 25 / 123

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