Toshiba MMD-AP0076BHP1-E Service Manual Download Page 104 | Manualshive

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04

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MMD-AP0076BH

P

1

-E(TR), MMD-AP0096BH

P

1

-E(TR), MMD-AP0126BH

P

1

-E(TR)

MMD-AP01

5

6BH

P

1

-E(TR), MMD-AP0

18

6BH

P

1

-E(TR), MMD-AP02

4

6BH

P

1

-E(TR)

MMD-AP0

27

6BH

P

1

-E(TR), MMD-AP0

30

6BH

P

1

-E(TR), MMD-AP0

3

66BH

P

1

-E(TR)

MMD-AP0

48

6BH

P

1

-E(TR), MMD-AP0

56

6BH

P

1

-E(TR)

401

43T50347

SENSOR ASSY, SERVICE

2

402

43T50476

SERVICE-SENSOR

1

403

43T58320

REACTOR

1

404

43T60435

SERV-TERMINAL

1

405

43T60362

TERMINAL

1

406

43T6V

689

PC BOARD ASSY

1

407

43T50351

HOLDER-TA

1

408

43T50477

SERVICE-SENSOR

1

409

43T63348

CLAMP, DOW N

1

410

43T63349

CLAMP, UP

1

Location

No.

Parts No.

Description

Q,ty / Set

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Summary of Contents for MMD-AP0076BHP1-E

Page 1: ...6BHP1 E MMD AP0156BHP1 E MMD AP0186BHP1 E MMD AP0246BHP1 E MMD AP0276BHP1 E MMD AP0306BHP1 E MMD AP0366BHP1 E MMD AP0486BHP1 E MMD AP0566BHP1 E MMD AP0076BHP1 TR MMD AP0096BHP1 TR MMD AP0126BHP1 TR MMD AP0156BHP1 TR MMD AP0186BHP1 TR MMD AP0246BHP1 TR MMD AP0276BHP1 TR MMD AP0306BHP1 TR MMD AP0366BHP1 TR MMD AP0486BHP1 TR MMD AP0566BHP1 TR April 2016 ...

Page 2: ... and Wireless Remote Controller 30 8 2 Indoor Print Circuit Board MCC 1631 31 8 3 Optional connector specifications of indoor P C board 32 8 4 Test operation of indoor unit 33 8 5 Method to set indoor unit function DN code 34 8 6 Applied control of indoor unit 37 9 TROUBLESHOOTING 53 9 1 Overview 53 9 2 Troubleshooting method 54 9 3 Troubleshooting based on information displayed on remote controll...

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

Page 4: ...ork has been executed Indicates possibilities assumed that a danger causing a death or serious injury of the repair engineers the third parties and the users due to troubles of the product after work when an incorrect work has been executed Indicates contents assumed that an injury or property damage may be caused on the repair engineers the third parties and the users due to troubles of the produ...

Page 5: ...WARNING Moving parts Do not operate unit with grille removed Stop the unit before the servicing Moving parts Do not operate unit with grille removed Stop the unit before the servicing CAUTION CAUTION High temperature parts You might get burned when removing this panel High temperature parts You might get burned when removing this panel CAUTION CAUTION Do not touch the aluminium fins of the unit Do...

Page 6: ...ker before proceeding with the work When you have noticed that some kind of trouble such as when an error display has appeared there is a smell of burning abnormal sounds are heard the air conditioner fails to cool or heat or water is leaking has occurred in the air conditioner do not touch the air conditioner yourself but set the circuit breaker to the OFF position and contact a qualified service...

Page 7: ...der s instructions Also wear a helmet for use in industry as protective gear to undertake the work Before working at heights put a sign in place so that no one will approach the work location before proceeding with the work Parts and other objects may fall from above possibly injuring a person below While carrying out the work wear a helmet for protection from falling objects When executing addres...

Page 8: ...ute of the service port is changed from one of the former R22 Do not use any refrigerant different from the one specified for complement or replacement Otherwise abnormally high pressure may be generated in the refrigeration cycle which may result in a failure or explosion of the product or an injury to your body For an air conditioner which uses R410A never use other refrigerant than R410A For an...

Page 9: ...airtight test The charge hose must be connected in such a way that it is not slack For the installation moving reinstallation work follow to the Installation Manual If an incorrect installation is done a trouble of the refrigerating cycle water leak electric shock or fire is caused Check after repair Once the repair work has been completed check for refrigerant leaks and check the insulation resis...

Page 10: ...install the air conditioner in a location that may be subject to a risk of expire to a combustible gas If a combustible gas leaks and becomes concentrated around the unit a fire may occur Install the indoor unit at least 2 5 m above the floor level since otherwise the users may injure themselves or receive electric shocks if they poke their fingers or other objects into the indoor unit while the a...

Page 11: ...ioner Super Heat Recovery Multi System Air Conditioner MiNi Super Modular Multi System Air Conditioner MiNi SMMS series Complies with the provisions of the Machinery Directive Directive 2006 42 EC and the regulations transposing into national law Declaration of incorporation of partly completed machinery Must not be put into service until the final machinery into which it is to be incorporated has...

Page 12: ... AP0246BHP1 E MMD AP0276BHP1 E MMD AP0306BHP1 E MMD AP0366BHP1 E MMD AP0486BHP1 E MMD AP0566BHP1 E MMD AP0076BHP1 TR MMD AP0096BHP1 TR MMD AP0126BHP1 TR MMD AP0156BHP1 TR MMD AP0186BHP1 TR MMD AP0246BHP1 TR MMD AP0276BHP1 TR MMD AP0306BHP1 TR MMD AP0366BHP1 TR MMD AP0486BHP1 TR MMD AP0566BHP1 TR 23 23 23 23 23 30 30 30 40 40 40 23 23 23 23 23 30 30 30 40 40 40 Under 70 dBA ...

Page 13: ...alves due to the effects of external sound Note Rated conditions Cooling Indoor air temperature 27 C DB 19 C WB Outdoor air temperature 35 C DB Heating Indoor air temperature 20 C DB Outdoor air temperature 7 C DB 6 C WB 30 40 50 65 80 100 120 7steps 150 30 40 50 250 Remote controller 9 5 6 4 25 Polyvinyl chloride tube Air filter Standard filter Long life filter 1phase 50Hz 230V 220V 240V Polyethl...

Page 14: ...he indicated valves due to the effects of external sound Note Rated conditions Cooling Indoor air temperature 27 C DB 19 C WB Outdoor air temperature 35 C DB Heating Indoor air temperature 20 C DB Outdoor air temperature 7 C DB 6 C WB 30 40 50 65 80 100 120 7steps 150 30 40 50 250 Remote controller 9 5 6 4 25 Polyvinyl chloride tube Air filter Standard filter Long life filter 1phase 60Hz 220V Poly...

Page 15: ...re 120 Pa Low 120 Pa Standard filter pressure loss External static pressure Pa Air Volume m3 h High tap 100 Pa High tap 80 Pa High tap 65 Pa High tap 50 Pa High tap 40 Pa High tap 30 Pa 0 20 40 60 80 100 120 140 380 480 580 680 780 880 980 External static pressure Pa Air volume m3 h Standard air volume 800m3 h Upper limit of external static pessure 120Pa Lower limit of external static pessure 120P...

Page 16: ...High tap 80Pa High tap 100Pa High tap 65Pa High tap 50Pa High tap 120Pa High tap 40Pa High tap 30Pa Low tap 120Pa Standard filter pressure loss Standard air volume 1920 m3 h Upper limit of external static pressure 120 Pa High tap 120 Pa Lower limit of external static pressure 120 Pa Low 120 Pa Standard filter pressure loss External static pressure Pa Air Volume m3 h High tap 100 Pa High tap 80 Pa ...

Page 17: ...type E 700 180 275 750 355 345 236 22 650 Hanging bolt pitch 50 50 25 C L 570 43 187 5 131 415 113 5 Main unit dimension A Hanging bolt pitch B External dimensions of flange C Drain pan Drain pump check cover Electrical control box D 345 or more 70 or more Air discharge 100 or more 450 Check port 120 Service space E for maintenance of air filter E AP036 056 type 1000 1065 940 1050 500 1400 1465 13...

Page 18: ...975 37 5 37 5 27 27 960 235 2 100 100 100 100 100 100 100 100 100 100 100 254 27 27 37 5 37 5 1359 4 100 100 235 4 100 100 100 100 100 100 100 100 100 100 100 100 100 254 1375 27 27 37 5 37 5 1360 235 2 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 AP007 AP018 type Under air intake Back air intake AP024 AP030 type Under air intake Back air intake AP036 AP056 type Under air intake Bac...

Page 19: ... 19 4 WIRING DIAGRAMS Models MMD AP0076BHP1 AP0096BHP1 AP0126BHP1 AP0156BHP1 AP0186BHP1 AP0246BHP1 AP0276BHP1 AP0306BHP1 AP0366BHP1 AP0486BHP1 AP0566BHP1 ...

Page 20: ...nsor TC1 sensor TC2 sensor TCJ sensor Lead wire length 218 mm Ø4 size lead wire length 1000 mm Vinyl tube Blue Ø6 size lead wire length 1000 mm Vinyl tube Black Ø6 size lead wire length 1000 mm Vinyl tube Red MMD AP Model 340W150 1 340W250 1 MDP 1401 FS 1A 31 3 EFM MD12TF 1 EFM 40YGTF 1 EFM 60YGTCTH 1 Lead wire length 218 mm Ø4 size lead wire length 1000 mm Vinyl tube Blue Ø6 size lead wire length...

Page 21: ...ration 2 Controls under cool in heating operation 3 Recovers refrigerant oil in cooling operation 4 Recovers refrigerant oil in heating operation Temp Sensor Connector CN104 2P Yellow 1 Detects indoor suction temperature Functional outline 2 TC1 Connector CN100 3P Brown 1 Controls PMV super heat in cooling operation 3 TC2 Connector CN101 2P Black 1 Controls PMV under cool in heating operation Conn...

Page 22: ...peration mode changes in response to an operation selection command issued via the remote controller Remote controller command Control outline STOP Air conditioner shutdown FAN Fan operation COOL Cooling operation DRY Drying operation HEAT Heating operation Ts Temperature setting Ta Room temperature COOL DRY HEAT Wired type 18 29 18 29 Wireless type 18 30 16 30 SET DATA 0 2 4 6 Temperature setting...

Page 23: ... temperature gradient is chosen As long as the temperature difference remains on a boundary line the fan speed stays the same Heating Ta C 0 5 1 0 0 Tsh 0 5 1 0 1 0 2 0 1 5 3 0 2 0 4 0 L L L H H H HH HH H HH E D C B A Figures inside applies to remote controller thermo operation Figures outside applies to body thermo operation Speed modes shown in apply to heating operation under AUTO air condition...

Page 24: ... continuous zone J operation forces the air conditioner into thermo OFF the indoor fan is operated in breeze mode until it moves into zone I The control is terminated under the following conditions Termination conditions 1 TC1 12 C TC2 12 C and TCJ 12 C TC1 Indoor heat exchanger sensor temperature E B A A zone OFF B zone 26 C or above and below 28 C breeze C zone 28 C or above and below 30 C Low D...

Page 25: ...hly every hour The opening position of the indoor PMV depending on the type and capacity of the indoor unit 9 While the outdoor unit is engaged in defrosting control the indoor units perform the following control tasks 1 Open the indoor PMV to a certain degree 2 Control the indoor fan according to the operation mode Indoor units operating in heating thermo ON OFF state Let the indoor fan continue ...

Page 26: ...ant oil recovery operation Heating standby Displayed on 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 becau...

Page 27: ...ion starts The power saving operation cannot be set by the wireless remote controller or wired remote controller of AMT31E or older Frequency fixed operation Test run 19 In case of wired remote controller 1 When pushing CHK button for 4 seconds or more TEST is displayed on the display screen and the mode enters in Test run mode 2 Push ON OFF button 3 Using MODE button set the mode to COOL or HEAT ...

Page 28: ...A B DC5V DC5V Indoor unit 1 Heder Indoor control P C board MCC 1631 Drain pump PMV Indoor fan motor CPU H8 36109 Driver DC12V DC5V DC20V External output Remote controller communication circuit Display LCD Function setup Key switch CN2 CN1 1 CPU Display LED Display LCD LCD driver CPU Remote controller communication circuit Function setup Key switch Power circuit Power circuit DC280V Fan motor contr...

Page 29: ...Remote controller communication circuit Receive circuit Function setup SW CPU Buzzer Display LED DC5V Temporary operation SW Power circuit Remote controller communication circuit Power circuit DC280V Fan motor control circuit CPU TMP88CH47FG TVP88PH47FG EEPROM1 EEPROM2 Run Alarm Defrost Thermo ON COOL HEAT FAN Outdoor unit 3 2 1 Receiver P C board Drain pump PMV TA sensor TC1 sensor TC2 sensor TCJ...

Page 30: ...al output Remote controller communication circuit Display LCD Function setup Key switch CN2 CN1 1 CPU Display LED Display LCD LCD driver CPU Power circuit Remote controller communication circuit Function setup Key switch Power circuit DC280V Fan motor control circuit CPU TVP88CH47FG TMP88PH47FG EEPROM1 EEPROM2 Run Alarm Defrost Thermo ON COOL HEAT FAN Power circuit Secondary battery Outdoor unit 3...

Page 31: ...put Drain pump output Float SW FS unit output EEPROM TC2 sensor TC1 sensor TCJ sensor TA sensor Microcomputer operation LED CHK DISP EXCT Fan output Optional output HA T10 Filter Option error input Remote controller inter unit wire Remote controller power supply LED Output power supply Power supply Used for servicing ...

Page 32: ...ted operation COOL DRY or cooling under AUTO mode 2 DC12 V COM ON while air conditioner in heating operation HEAT or heating under AUTO mode 2 0 V 3 External error input 6 Fan output ON while indoor fan ON air cleaner in use or via interlock wiring 4 In operation output ON during operation HA answerback signal 2 Defrosting output ON while outdoor unit defrosted 3 Thermostat ON output ON while real...

Page 33: ... if short circuiting DISP 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 30 pls can be set to the indoor PMV only When open DISP pin the maximum opening degree 1500 pls 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 minu...

Page 34: ...r unit Nos under group control is displayed in turn Then the fan and louver of the selected indoor unit move 3 Use the TEMP button to select the CODE No DN code of the desired function 4 Use the button to select the desired SET DATA associated with the selected function 5 Push the SET button The display changes from flashing to steady To change the selected indoor unit go back to step 2 To change ...

Page 35: ...0 Body TA sensor 0001 Remote controller sensor 0000 Body TA sensor 33 Temperature unit select 0000 ûC at factory shipment 0001 ûF 0000 ûC 31 Ventilating fan control 0000 Unavailable 0001 Available 0000 Unavailable 13 Indoor unit address 0001 No 1 unit 0064 No 64 unit to 0099 Unfixed 10 Type 0001 4 way Cassette etc refer to 36 page Type CODE No 10 Depending on model type 0F Cooling only 0000 Heat p...

Page 36: ... 0023 Capacity Invalid 007 type 009 type 012 type 015 type 018 type 024 type 027 type 030 type 036 type 048 type 056 type 072 type 096 type Ñ Value 0004 Type Model Concealed Duct Standard MMD AP BHP1 Indoor Unit Capacity DN code 11 1 Default value stored in EEPROM mounted on service P C board ...

Page 37: ...l operation 3 Error signal Output present while alarm e g serial communication error or operation of protective device for indoor outdoor unit being activated Wiring diagram of control system using remote controller interface TCB IFCB4E2 Input IFCB4E2 No voltage ON OFF serial signal Output No voltage contact in operation and error indication Contact capacity Max AC 240 V 0 5 A 1 2 3 4 5 6 CN61 T10...

Page 38: ...yed successively In this time the fan of the selected 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 SET DATA At shipment 0000 0000 0000 0000 0000 The setup data are as follows 5 Push SET button OK if display goes on To change the selected indoor unit go to the procedure 2 To change the item to be set up go ...

Page 39: ...d 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 buttons for 4 seconds or more 2 Using the setup temp or button specify the CO...

Page 40: ... before address setting Pair the indoor unit to set and the remote controller one to one Turn on the power 1 Push and hold the SET CL and buttons at the same time for more than 4 seconds LCD starts flashing Outdoor unit Remote controller Indoor unit 1 Refrigerant line 1 Refrigerant line 2 Indoor unit 2 Indoor unit 3 Outdoor unit Indoor unit 1 Indoor unit 2 1 Line system address 1 1 2 2 1 Indoor un...

Page 41: ...u can control the unit after SETTING has disappeared NOTE 1 Do not use address numbers 29 or 30 when setting system addresses using the remote controller These 2 address numbers cannot be used on outdoor units and the CODE No E04 Indoor outdoor communication error will appear if they are mistakenly used 2 If you set addresses to indoor units in 2 or more refrigerate lines manually using the remote...

Page 42: ...IMER SET TEST FILTER RESET TEMP CL FAN SAVE SWING FIX VENT MODE ON OFF UNIT LOUVER Execute it while the units are running 1 Push the ON OFF button if the units stop 2 Push the UNIT LOUVER button left side of the button A unit numbers 1 1 1 1 1 1 1 1 1 1 is indicated on the LCD it will disappear after a few seconds The indicated number shows the system address and indoor unit address of the unit Wh...

Page 43: ...vated 1 Push and hold the VENT and buttons at the same time for more than 4 seconds ALL ALL ALL ALL ALL appears on UNIT No on the LCD display The fans and louvers of all the indoor units in the group are activated 2 Push the UNIT LOUVER button left side of the button Each time you push the button the indoor unit numbers are indicated one after another The first indicated unit number is the address...

Page 44: ... 4 seconds At first the line 1 and CODE No AC Address Change are indicated on the LCD display Select an outdoor unit 2 Push the UNIT LOUVER button left side of the button and SWING FIX buttons repeatedly to select a system address 3 Push the SET button to confirm the system address selection The address of an indoor unit connected to the selected refrigerant line is indicated on the LCD display an...

Page 45: ...d UNIT No is that of the head unit 2 Push the UNIT LOUVER button left side of the button repeatedly to select an indoor unit number to change if 2 or more units are controlled in a group The fan and louvers of the selected indoor unit are activated The fan of the selected indoor unit is turned on 3 Push the TEMP buttons repeatedly to select13 13 13 13 13 for CODE No 4 Push the TIME buttons repeate...

Page 46: ...e following step 2 Execute it while the units are stopped 1 Push and hold the TIME buttons at the same time for more than 4 seconds At first the line 1 and CODE No AC AC AC AC AC Address Change are indicated on the LCD display 2 Push UNIT LOUVER button left side of the button and SWING FIX buttons repeatedly to select a system address 3 Push the SET button The address of one of the indoor units co...

Page 47: ... confirm the new address on SET DATA 6 Push the UNIT LOUVER button left side of the button repeatedly to select another address to change Each time you push the button the indoor unit numbers in a refrigerant line are indicated one after another Only the fan and louvers of the selected indoor unit are activated Repeat steps 4 to 6 to change the indoor unit addresses so as to make each of them uniq...

Page 48: ...No to FF 3 The display in A of the following figure counts down as follows at 5 second intervals 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 The error is cleared when 0000 0000 0000 0000 0000 appears However the display counts down from 0005 0005 0005 0005 0005 again 4 Push the to return the d...

Page 49: ... controller indoor unit and outdoor unit 1 Push and hold the and CL for 4 seconds or longer to enter the service monitoring mode The service monitor lights up The temperature of CODE No 00 00 00 00 00 appears at first 2 Push the TEMP button to change to CODE No of the item to monitor Refer to the following table for CODE No 3 Push the left part of the UNIT LOUVER button left side of the buton to c...

Page 50: ... 4B 4C 4D 4E 4F Suction Temperature TS Coil Temperature 1 TE Liquid Temperature TL Outdoor Temperature TO Low pressure saturation temperature TU Current of compressor 1 I1 Current of compressor 2 I2 PMV1 2 PMV3 Compressor 1 2 ON OFF Outdoor fan mode Horse power of outdoor unit 1 1 1 1 1 1 1 1 1 2 1 1 C C C C C A A pls pls HP 0024 24 C 0135 13 5 A 0050 500 pls 0050 500 pls 0031 Mode 31 0016 16HP 10...

Page 51: ...ion Temperature TS Coil Temperature 1 TE1 Coil Temperature 2 TE2 Liquid Temperature TL Outdoor Temperature TO PMV1 2 PMV4 Current of compressor 1 I1 Current of compressor 2 I2 Current of compressor 3 I3 Outdoor fan current IFan 1 1 1 1 1 1 1 10 10 10 10 C C C C C pls pls A A A A 10 20 30 40 Detection pressure of high pressure sensor Pd Detection pressure of low pressure sensor Ps 100 MPa 11 21 31 ...

Page 52: ...f compressor IPDU2 1 C 56 66 76 Heat sink temperature of compressor IPDU3 1 C 58 In heat cool collecting control 5 5A Discharge temperature release 5 0 Normal 1 In collecting control 0 Normal 1 In release control 5B Terminal unit release U2 U3 U4 outdoor unit 5 0642 64 2 rps 0058 Mode 58 0024 24 C 0010 In heat collecting control 0001 In cool collecting control 0010 In pressure release control 0001...

Page 53: ...rt or would change speed for no reason 3 Could it just be cooling operation under low outside temperature conditions Could it just be defrosting operation An indoor fan would not stop 4 Could it just be the elimination of residual heat being performed as part of the air conditioner shutdown process after heating operation The air conditioner would not respond to a start stop command from a remote ...

Page 54: ... L09 SIM Indoor capacity not set Capacity setting has not been performed for indoor unit L20 SIM SIM Duplicated central control address There is duplication in central control address setting L30 L30 Detected indoor unit No Indoor external error input interlock Unit shutdown has been caused by external error input CN80 P01 ALT Indoor AC fan error Indoor AC fan error is detected activation of fan m...

Page 55: ...dy Operation C05 C06 C12 P30 Error detected by central control device TCC LINK central control No indication when main remote controller also in use Faulty central control communication transmission Faulty central control communication reception Multiple network adapters Central control device is unable to transmit signal due to duplication of central control device AI NET Central control device i...

Page 56: ...oor unit from other refrigerant line is detected while indoor automatic address setting is in progress E23 E23 Outdoor outdoor communication transmission error Signal cannot be transmitted to other outdoor units E25 E25 Duplicated follower outdoor address There is duplication in outdoor addresses set manually E26 Address of outdoor unit from which signal is not received normally E26 Dropping out o...

Page 57: ... circuit error 04 TK4 oil circuit error 05 TK5 oil circuit error H16 Oil level detection circuit error No temperature change is detected by temperature sensor for oil level detection TK1 5 despite compressor having been started H25 H25 Outdoor discharge temperature sensor TD3 wiring error Wiring installation error or detachment of outdoor discharge temperature sensor TD3 has been detected L04 L04 ...

Page 58: ...06 A3 IPDU2 Fan IPDU error 07 All IPDU error SMMS i Series 4 There are insufficient number of IPDUs P C boards in inverter box Error in number of IPDUs Indoor unit has been shut down for external error input in one refrigerant line detected by indoor unit Outdoor discharge temperature sensor TD1 has detected abnormally high temperature Outdoor discharge TD1 temperature error P04 P04 High pressure ...

Page 59: ...ctivated Heat sink overheating error Temperature sensor built into IGBT TH detects overheating P20 P20 ALT High pressure protection activation High pressure Pd sensor detected a value over the criteria SMMS Series 1 04 Rotation difference error 06 Maximum rotation exceeded 08 Out of step 0A Idc activation 0C Fan lock 0d Lock 0E Sync error 0F Control error SMMS i Series 4 0 IGBT circuit 1 Position ...

Page 60: ...g the procedure described below 2 Error history The error history access procedure is described below up to four errors stored in memory Error history can be accessed regardless of whether the air conditioner is in operation or shut down Procedure To be performed when system at rest 1 Invoke the SERVICE CHECK mode by pressing the SET buttons simultaneously and holding for at least 4 seconds The le...

Page 61: ...scribed below up to four errors stored in memory Error history can be accessed regardless of whether the air conditioner is in operation or shut down 1 Push the SET buttons simultaneously and hold for at least 4 seconds 2 The letters SERVICE CHECK light up and the check code 01 is displayed 3 When a group No is selected blinking if there is an error history the UNIT No and the latest error history...

Page 62: ...tion dropping out of outdoor unit E28 Outdoor follower unit error E31 IPDU communication error P01 Indoor AC fan error P10 Indoor overflow error P12 Indoor DC fan error P13 Outdoor liquid backflow detection error P03 Outdoor discharge TD1 temperature error P04 Activation of outdoor high pressure SW P05 Open phase power failure Inverter DC voltage Vdc error MG CTT error P07 Outdoor heat sink overhe...

Page 63: ...discharge temperature sensor TD1 H06 Abnormal drop in low pressure sensor Ps reading Protective shutdown of outdoor unit H07 Abnormal drop in oil level H08 Error in temperature sensor for oil level detection circuit TK1 TK2 TK3 TK4 or TK5 H15 Wiring installation error or detachment of outdoor discharge temperature sensor TD2 H16 Oil level detection circuit error Error in outdoor unit TK1 TK2 TK3 T...

Page 64: ... automatic cooling heating setting for model incapable of it and heating setting for cooling only model Light block Check code Cause of fault Operation Synchronized blinking Timer Ready Operation Timer Synchronized blinking Ready Alternate blinking Operation Timer Ready Other indications not involving check code ...

Page 65: ...ntroller including wireless or network adaptor Check remote controller and network adaptor wiring E04 Indoor unit Indoor outdoor communication circuit error detected at indoor end Stop of corresponding unit Indoor unit is not receiving signal from outdoor unit Check order in which power was turned on for indoor and outdoor units Check indoor address setting Check indoor outdoor tie cable Check out...

Page 66: ...omatic address setting for indoor units is in progress Perform automatic address setting again after disconnecting communication cable to that refrigerant line E15 I F Indoor unit not found during automatic address setting All stop Indoor unit cannot be detected after indoor automatic address setting is started Check connection of indoor outdoor communication line Check for error in indoor power s...

Page 67: ... units for bad contact or broken wire Check communication connectors on outdoor P C boards Check for defect in outdoor P C board I F Check termination resistance setting for communication between outdoor units E25 I F Duplicated follower outdoor address All stop There is duplication in outdoor addresses set manually Note Do not set outdoor addresses manually E26 Address of outdoor unit from which ...

Page 68: ...rd F03 Indoor unit Indoor TC1 sensor error Stop of corresponding unit Sensor resistance is infinity or zero open short circuit Check connection of TC1 sensor connector and wiring Check resistance characteristics of TC1 sensor Check for defect in indoor P C board F04 I F TD1 sensor error All stop Sensor resistance is infinity or zero open short circuit Check connection of TD1 sensor connector Check...

Page 69: ...C board F15 I F Outdoor temperature sensor wiring error TE1 TL All stop During compressor operation in HEAT mode TE1 continuously provides temperature reading higher than indicated by TL by at least specified margin for 3 minutes or more Check installation of TE1 and TL sensors Check resistance characteristics of TE1 and TL sensors Check for outdoor P C board I F error F16 I F Outdoor pressure sen...

Page 70: ...ductivity of case heater Check for refrigerant entrapment inside compressor Check for defect in outdoor P C board A3 IPDU Check outdoor MG CTT H03 H03 01 Compressor 1 side 02 Compressor 2 side 03 Compressor 3 side IPDU Current detection circuit error All stop Current flow of at least specified magnitude is detected despite inverter compressor having been shut turned off Check current detection cir...

Page 71: ...f TK1 sensor connector Check resistance characteristics of TK1 sensor Check for defect in outdoor P C board I F All stop Sensor resistance is infinity or zero open short circuit Check connection of TK2 sensor connector Check resistance characteristics of TK2 sensor Check for defect in outdoor P C board I F All stop Sensor resistance is infinity or zero open short circuit Check connection of TK3 se...

Page 72: ...heck the four way valve error Check the refrigerant shortage H15 H15 I F TD2 sensor miswiring incomplete insertion All stop Air discharge temperature of TD2 does not increase despite compressor 2 being in operation Check installation of TD2 sensor Check connection of TD2 sensor connector and wiring Check resistance characteristics of TD2 sensor Check for defect in outdoor P C board I F Check code ...

Page 73: ...or resistant characteristics Check the misconnection of TK1 TK2 TK3 or TK4 Check the SV3E valve error Check the oil circuit capillary clogging and non return valve error Check the hibernating refrigerant in compressor SMMS i 4 series 01 TK1 oil circuit error 02 TK2 oil circuit error 03 TK3 oil circuit error 04 TK4 oil circuit error 05 TK5 oil circuit error I F Oil level detection circuit error All...

Page 74: ...k the miswiring of the communication line between indoor and outdoor L03 Indoor unit Duplicated indoor header unit Stop of corresponding unit There is more than one header unit in group Check for any change made to remote controller connection group individual since indoor address setting Check indoor addresses L04 L04 I F Duplicated outdoor line address All stop There is duplication in line addre...

Page 75: ...ral control addresses Check network adaptor P C board applicable to AI NET L28 L28 I F Too many outdoor units connected All stop There are more than four outdoor units Check No of outdoor units connected Only up to 4 units per system allowed Check communication lines between outdoor units Check for defect in outdoor P C board I F L29 L29 SMMS Series 1 01 A3 IPDU1 error 02 A3 IPDU2 error 03 A3 IPDU...

Page 76: ...Check SV4 circuit wiring or installation error in SV41 SV42 or SV43 P04 P04 01 Compressor 1 side 02 Compressor 2 side 03 Compressor 3 side IPDU Activation of high pressure SW All stop High pressure SW is activated Check connection of high pressure SW connector Check for defect in Pd pressure sensor Check outdoor service valves gas side liquid side to confirm full opening Check for defect in outdoo...

Page 77: ...eck outdoor fan system error Check heat sink cooling duct for clogging Check IGBT and heat sink for thermal performance for faulty installation e g mounting screws and thermal conductivity Check for defect in A3 IPDU faulty IGBT built in temperature sensor TH P10 P10 Detected indoor address Indoor unit Indoor overflow error All stop Float switch operates Float switch circuit is open circuited or d...

Page 78: ...leakage 02 TD condition I F Gas leak detection TD condition All stop Protective shutdown due to sustained discharge temperature TD1 TD2 or TD3 at or above 108 C for at least 10 minutes is repeated four times or more Check for insufficiency in refrigerant quantity Check PMVs PMV 1 2 for clogging Check resistance characteristics of TD1 TD2 and TD3 sensors Check indoor filter for clogging Check pipin...

Page 79: ...e to confirm full opening Check for defect in outdoor fan Check for defect in outdoor fan motor Check outdoor PMVs PMV1 2 4 for clogging Check indoor outdoor heat exchangers for clogging Check for short circuiting of outdoor suction discharge air flows Check SV2 circuit for clogging Check for defect in outdoor P C board I F Check for defect in indoor fan system possible cause of air flow reduction...

Page 80: ...rformed properly Check the fan motor Check the connector connection for fan motor Check the error of IPDU board for fan All stop Sub code 06 External factors such as blast Position detection is not performed properly Restarted in 6 seconds Check the fan motor Check the error of IPDU board for fan All stop Sub code 04 External factors such as blast The difference between targeted rotation and actua...

Page 81: ... the fan Check fan motor Check for defect in fan IPDU P C board All stop Sub code D The resistance value of the sensor is infinite or zero open or short circuit Check for defect in fan IPDU P C board All stop Sub code E Fan IPDU DC voltage protection circuit The DC voltage higher or lower than the specified value is detected Check power voltage of the main power supply Check for defect in fan IPDU...

Page 82: ... defect in P C boards of devices at other end of central control communication line C12 General purpose device I F Blanket alarm for general purpose device control interface Continued operation Error signal is input to control interface for general purpose devices Check error input P30 Differs according to nature of alarm causing error TCC LINK Group control follower unit error Continued operation...

Page 83: ...MD AP0366BHP1 AP0486BHP1 AP0566BHP1 Measure the resistance value of each winding by using the tester 1 2 3 4 5 Red White Black Fan motor inside wiring diagram ICF 340W150 1 2 Under 20 C Position Black Red Black White Red White Resistance value 14 8 1 5 Ω 14 8 1 5 Ω 14 8 1 5 Ω ICF 340W250 1 Position Black Red Black White Red White Resistance value 12 4 1 2 Ω 12 4 1 2 Ω 12 4 1 2 Ω AP0276BHP1 ...

Page 84: ...0 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 Temperature C 20 15 10 5 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 Indoor TC1 sensor 20 10 0 10 20 30 40 50 60 70 80 90 100 50 100 150 200 5 10 15 20 30 0 0 Resistance kΩ 10 C or below Resistance kΩ 10 C or above Resistance kΩ 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 ...

Page 85: ...utomatically or manually Proceed with the replacement of an indoor P C board assembly in accordance with the procedure described below After completion of the work check the settings again including the indoor unit No and group header follower designation and confirm the integrity of the refrigerating cycle by conducting a test operation etc Replacement procedure Method 1 If it is possible to turn...

Page 86: ...to be replaced with the new EEPROM supplied with the service P C board Replacing P C board and turning on power Procedure 2 Writing EEPROM data in new EEPROM Procedure 3 Resetting power supply applicable to all indoor units connected to remote controller in case of group operation Method 3 If it is not possible to read the setting data due to the failure of the EEPROM itself Replacing P C board an...

Page 87: ...CODE No DN code up down by one place 4 First change the CODE No DN code from 10 to 01 To set filter sign lighting time Jot down the setting data displayed 5 Change the CODE No DN code using the TEMP button Again jot down the setting data displayed 6 Repeat step 5 until all the setting data has been jotted down See the CODE No list CODE No DN code go from 01 to FF with a few gaps along the way 7 Wh...

Page 88: ...is method cannot be used proceed to the alternative method described below Case 2 C If it is not possible to selectively turn on the indoor unit being serviced Case 2 a Remove the CN41 connectors of all other indoor units in the same group b Turn on the indoor unit and proceed to Procedure 3 Be sure to restore the temporarily removed group control wiring and CN41 connectors to their initial states...

Page 89: ... For example 0012 is for the 027 type See the CODE No list 6 Push the SET button The display should change from flashing to steady 7 Push the button to bring the system back to normal off state Fig 1 RBC AMT32E 6 8 10 5 00 04 3 3 10 5 Next write any setting changes made on site after installation such as address settings in the EEPROM Perform the tasks specified in step 1 again 6 Use the TEMP butt...

Page 90: ...point Depending on model type Depending on capacity type 0099 Not determined 0099 Not determined 0099 Not determined 0003 3 deg Ts 1 5 Power failure automatic recovery Vent Fan Single operation Sensor SW Selection of static pressure High ceiling select Timer setting wired remote controller Swing mode Power save operation 28 31 32 5d 60 F0 D0 0000 None 0000 Not possible 0000 Body sensor 0000 Standa...

Page 91: ...6BHP1 E TR AP036 MMD AP0366BHP1 E TR to AP0566BHP1 E TR Back air intake Air filter Arrow mark Air filter Under air intake 1 Detachment 1 Slide the filter toward the opposite side of the arrow mark and then pull out the filter In the case that two filters are provided pull out the first filter then the second filter will be pulled out connected with the first filter 2 Attachment 1 Insert the filter...

Page 92: ...the slit of the electric parts box cover from the projection of the side plate and then remove the cover 2 Attachment 1 Hook the slit of the electric parts box cover to the projection of the side plate close the cover enter screw B in the Key hole and then slide it 2 Fix the electric parts box cover by tightening with screws A and B Electric parts box cover e Projection on the side plate Slit Side...

Page 93: ...bottom side of the main unit 2 Attachment 1 Attach the electric parts box and then perform wiring as original Notes 1 Check there is no missing or contact failure on the connectors Notes 2 Be sure to perform wiring as original 2 Attach air filter suction panel and electric parts box as original Electric parts box f Electric parts box Screw Notch part 1 Detachment 1 Perform work of 1 of f In the wo...

Page 94: ...f PMV motor PMV motor Side check port 1 Open cover of the electric parts box and then remove relay connector of the PMV motor 2 As shown in the right figure using a double spanner open the check port at the side face and then remove the PMV motor PMV motor ...

Page 95: ... 2 Perform screwing the fan motor with the fixing plate Ø5 x 10 2 pcs NOTE Match the fan motor with turning direction of the fan and fix so that the AP007 type and AP024 type fan motor wirings are at refrigerant piping side and AP036 type is at opposite side offrefrigerant piping 3 While positioning so that the fan is at the center of the fan case upper fix the fan with hexagonal screw NOTE Be sur...

Page 96: ...s Drain pan j 1 Detachment 1 Perform works until opening of the electric parts box cover in works of 1 of f 2 Remove the connectors which connect to float switch of the drain pump from the control P C board CN34 Float switch 3P Red CN504 Drain pump 2P White 3 Remove the fixing screws 2 positions of the check cover and then take out the check cover To the check cover the drain pump and float switch...

Page 97: ...s Ø4 x 8 2 pcs of the end plate and then take out the heat exchanger slowly 2 Attachment 1 Set the heat exchanger at the original position and fix it as before using screws which removed the end plate heat exchanger fixed plate and piping cover 2 Enter TC sensor and TCJ sensor wirings in the holder and then perform wirings as original 3 Attach the drain pan and the bottom base as original Heat exc...

Page 98: ... 98 12 EXPLODED VIEWS AND PARTS LIST 12 1 Concealed duct standard type MMD AP0076BHP1 E TR MMD AP0096BHP1 E TR MMD AP0126BHP1 E TR MMD AP0156BHP1 E TR MMD AP0186BHP1 E TR ...

Page 99: ...318 SOCKET 1 1 1 214 43T82320 SOCKET 1 1 215 43T97312 NUT FLARE 3 8 IN 1 1 1 215 43T97317 NUT FLARE 1 2 IN 1 1 216 43T97311 NUT FLARE 1 4 IN 1 1 1 1 1 217 43T47332 BONNET 9 52 DIA 1 1 1 217 43T47333 BONNET 12 70 DIA 1 1 218 43T77301 PUMP ASSY 1 1 1 1 1 219 43T51312 SWITCH FLOAT 1 1 1 1 1 220 43T83307 BAND HOSE 1 1 1 1 1 221 43T80340 AIR FILTER 1 1 1 1 1 226 43T19333 HOLDER SENSOR 2 2 2 2 2 227 43T...

Page 100: ... 100 MMD AP0246BHP1 E TR MMD AP0276BHP1 E TR MMD AP0306BHP1 E TR ...

Page 101: ...57 FLANGE 1 1 1 212 43T47332 BONNET 9 52 DIA 1 1 1 213 43T83311 BAND HOSE 1 1 1 214 43T82321 SOCKET 1 1 1 215 43T97314 NUT FLARE 5 8 IN 1 1 1 216 43T97312 NUT FLARE 3 8 IN 1 1 1 217 43T47334 BONNET 15 88 DIA 1 1 1 218 43T77301 PUMP ASSY 1 1 1 219 43T51312 SWITCH FLOAT 1 1 1 220 43T83307 BAND HOSE 1 1 1 221 43T80341 AIR FILTER 2 2 2 226 43T19333 HOLDER SENSOR 2 2 2 227 43T82330 RAIL FILTER ASSY 1 1...

Page 102: ... 102 MMD AP0366BHP1 E TR MMD AP0486BHP1 E TR MMD AP0566BHP1 E TR ...

Page 103: ...3 43T83311 BAND HOSE 1 1 1 214 43T82321 SOCKET 1 1 1 215 43T97314 NUT FLARE 5 8 IN 1 1 1 216 43T97312 NUT FLARE 3 8 IN 1 1 1 217 43T47334 BONNET 15 88 DIA 1 1 1 218 43T77301 PUMP ASSY 1 1 1 219 43T51312 SWITCH FLOAT 1 1 1 220 43T83307 BAND HOSE 1 1 1 221 43T80340 AIR FILTER 2 2 2 226 43T19333 HOLDER SENSOR 2 2 2 227 43T82331 RAIL FILTER ASSY 1 1 1 229 43T82323 FILTER STOPPER 1 1 1 230 43T83314 BAN...

Page 104: ...P0366BHP1 E TR MMD AP0486BHP1 E TR MMD AP0566BHP1 E TR 401 43T50347 SENSOR ASSY SERVICE 2 402 43T50476 SERVICE SENSOR 1 403 43T58320 REACTOR 1 404 43T60435 SERV TERMINAL 1 405 43T60362 TERMINAL 1 406 43T6V689 PC BOARD ASSY 1 407 43T50351 HOLDER TA 1 408 43T50477 SERVICE SENSOR 1 409 43T63348 CLAMP DOWN 1 410 43T63349 CLAMP UP 1 Location No Parts No Description Q ty Set ...

Page 105: ...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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