Toshiba MMF-AP0156H-E (TR), Service Manual

Page 1: ... SERVICE MANUAL AIR CONDITIONER MULTI TYPE INDOOR UNIT PRINTED IN JAPAN Jan 2015 ToMo Floor Standing Type MMF AP0156H E TR MMF AP0186H E TR MMF AP0246H E TR MMF AP0276H E TR MMF AP0366H E TR MMF AP0486H E TR MMF AP0566H E TR ...

Page 2: ...ired Simple Remote Controller and Wireless Remote Controller 28 7 2 Indoor Print Circuit Board 29 7 3 Optional connector specifications of indoor P C board 30 7 4 Test operation of indoor unit 31 7 5 Method to set indoor unit function DN code 32 7 6 Applied control of indoor unit 35 8 TROUBLESHOOTING 51 8 1 Overview 51 8 2 Troubleshooting method 52 8 3 Troubleshooting based on information displaye...

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: ...xecuted 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 product after work ...

Page 5: ...connect all remote electric power supplies before servicing ELECTRICAL SHOCK HAZARD Disconnect all remote electric power supplies before servicing WARNING 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 Do not touch the aluminium fins of the unit D...

Page 6: ... 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 pe...

Page 7: ...rille of the indoor unit to undertake work When working at heights use a ladder which complies with the ISO 14122 standard and follow the procedure in the ladder s instructions Also wear a helmet for use in industry as protective gear to undertake the work 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 ob...

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: ...formed by a qualified installer Do not supply power from the power terminal block equipped on the outdoor unit to another outdoor unit Capacity overflow may occur on the terminal block and may result in fire Do not 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 occ...

Page 11: ...e MMF AP0156H E MMF AP0156H TR MMF AP0186H E MMF AP0186H TR MMF AP0246H E MMF AP0246H TR MMF AP0276H E MMF AP0276H TR MMF AP0366H E MMF AP0366H TR MMF AP0486H E MMF AP0486H TR MMF AP0566H E MMF AP0566H TR Commercial name Super Modular Multi System Air Conditioner Super Heat Recovery Multi System Air Conditioner MiNi Super Modular Multi System Air Conditioner MiNi SMMS series Complies with the prov...

Page 12: ...486H E MMF AP0566H E MMF AP0156H TR MMF AP0186H TR MMF AP0246H TR MMF AP0276H TR MMF AP0366H TR MMF AP0486H TR MMF AP0566H TR 46 46 47 47 62 62 62 46 46 47 47 62 62 62 Model name X mm Y mm Z mm Total weight kg Unit mm G Z Y X MMF AP0156H MMF AP0186H MMF AP0246H MMF AP0276H MMF AP0366H MMF AP0486H MMF AP0566H 90 290 830 180 295 860 62 46 47 Weight centre and weight ...

Page 13: ...Width mm 600 Depth mm 210 390 Weight kg 47 62 Heat exchanger Finned tube Fan Centrifugal fan Air filter Standard filter Simple filter Air Flow H M L m3 h Controller Remote Controller Connecting Gas side mm pipe Liquid side mm Drain port diameter mm 20 One side of male screw Sound Pressure Level H M L dB 46 42 37 49 45 39 51 46 41 54 49 44 Sound Power Level H M L dB 69 64 59 䋨 1䋩Cooling heating cap...

Page 14: ...the installation position Details of hole for lower side piping For M8 Screw bolt or M8 Anchor bolt For under surface piping Wall 1750 More than 200 20 210 80 30x3 600 40 25 210 815 631 59 10 20 Installation plate Discharge port Installation plate Suction port 120 165 120 180 Drain hose Refrigerant piping hole Back side Refrigerant piping hole Bottom side 107 50 200 132 157 Refrigerant piping port...

Page 15: ...ion Details of hole for lower side piping For M8 Screw bolt or M8 Anchor bolt For under surface piping Wall 1750 More than 200 20 210 80 30x3 600 40 25 210 815 631 59 10 20 Installation plate Discharge port Installation plate Suction port 120 165 120 180 Drain hose Refrigerant piping hole Back side Refrigerant piping hole Bottom side 107 50 200 132 157 Refrigerant piping port Both side 10 640 10 1...

Page 16: ...d size of the bolt to fix should separate a b 80 knockout hole Drain hose outlet port both side Refrigerant piping port Both side Space required for installation and servicing In case of right side piping Wall Floor Front Front Wall Details of hole for back side piping For backside piping More than 200 1000 More than 1770 a 2 lower hole 130 knockout For M8 Screw bolt or M8 Anchor bolt In case of 1...

Page 17: ...LK 2 indicates the protection ground 3 indicates the control P C board 4 indicates the terminal block 1 Broken line indicates the wiring at site indicates the connector on the control P C board Long dashed short dashed line indicates the accessories indicates the connection terminal BRW BROWN 2 CN210 Flow selector unit Flow selector unit Earth screw RED 3 WHI 1 250V T6 3A F01 WHI 20 LM 5 4 3 5 M 3...

Page 18: ...ing motor for vertical louver TA sensor TC1 sensor TC2 sensor TCJ sensor ICF 340D62 1 ICF 340WD109 1 EFM MD12TF 1 EDM B40YGTF 2 EDM B60YGTF 1 MP24Z4N Lead wire length 1200 mm Vinyl tube Ø4 size lead wire length 1200 mm Vinyl tube Blue Ø6 size lead wire length 2000 mm Vinyl tube Black Ø6 size lead wire length 1200 mm Vinyl tube Red ...

Page 19: ...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 4 TCJ Connector CN101 2P Black 1 Controls PMV under cool in heating operatio...

Page 20: ...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 21: ... 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 22: ... 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 23: ...f 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 operating for a while but turn it off...

Page 24: ...om being discharged including defrosting operation 3 Forced thermo OFF HEAT operation is unavailable because at least one indoor unit is operating in COOL DRY mode under priority cooling setting bit 1 of SW11 on outdoor I F P C board ON OPERATION STANDBY displayed No display provided on wireless remote controller 15 Selection of central control mode 1 The range of operations that can be performed ...

Page 25: ...oller of AMT31E or older Frequency fixed operation Test run 18 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 Do not use other mode than COOL HEAT mode During test run operation the temperature cannot be adjusted An e...

Page 26: ...ndoor unit 1 Header PMV Louver motor Indoor fan motor CPU DC5V DC5V 1 CN2 CN1 Wired Simple header remote controller Up to 2 units Schedule timer Function setup LCD driver CPU Power circuit EEPROM TA sensor TC1 sensor TC2 sensor TCJ sensor HA Outdoor unit Fan motor control cicuit Start Alarm BUS communication circuit Power circuit Power circuit Remote controller communication circuit Remote control...

Page 27: ...t Outside output Fan motor control circuit Start Alarm Emergent operation SW Function setup SW Display LED BUS communication circuit MCU EEPROM TA sensor TC1 sensor TC2 sensor TCJ sensor HA Driver Buzzer Remote controller communication circuit Remote controller communication circuit CPU DC 280V Indoor unit 1 Header PMV Louver motor Indoor fan motor U1 U2 U1 U2 Power supply 1Ø220 240V 50Hz 1Ø220V 6...

Page 28: ...ver Indoor control P C board MCC 1643 DC 280V U1 U2 U1 U2 Power supply 1Ø220 240V 50Hz 1Ø220V 60Hz Indoor Outdoor communication Louver motor Indoor fan motor Wired Simple header remote controller Schedule timer LCD driver Power circuit EEPROM TA sensor TC1 sensor TC2 sensor TCJ sensor HA Outdoor unit Fan motor control cicuit Start Alarm BUS communication circuit Power circuit Power circuit Power c...

Page 29: ...tral control communication LED D503 Yellow Application control kit CN521 Red DC12V 5V Output for FS unit CN81 Black DC12V TC2 sensor CN101 Black DC5V TA sensor CN104 Yellow DC5V CHK CN71 White DC5V DISP CN72 White DC5V TCJ sensor CN102 Red DC5V HA T10 CN61 Yellow DC12V DC fan motor CN210 White TC1 sensor CN100 Brown DC5V Indoor Outdoor communication CN40 Blue Remote controller CN41 Blue DC20V Remo...

Page 30: ...Y 1 0 J t u p n i F F O N O A H t u p n i F F O N O 1 2 0V 3 Remote controller prohibited input Permission Prohibition of remote controller operation stop is performed by input 4 Operation output Open collector Operation ON Answer back of HA 5 DC12V 6 Warning output Open collector Warning output ON CHK Operation check CN71 1 This check is used to check indoor operation Performs operation of indoor...

Page 31: ... normal time 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 ...

Page 32: ...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 33: ... 0000 No louver 0001 Swing only 0001 Swing only 11 Indoor unit capacity 0000 Unfixed 0001 to 0034 According to capacity type 12 Line address 0001 No 1 unit 0030 No 30 unit to 0099 Unfixed 32 TA sensor selection 0000 Body TA sensor 0001 Remote controller sensor 0000 Body TA sensor 33 Temperature unit select 0000 C at factory shipment 0001 F 0000 C 31 Ventilating fan control 0000 Unavailable 0001 Av...

Page 34: ...8 0021 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 Value 0013 Type Model Floor Standing MMF AP H Indoor Unit Capacity DN code 11 1 Default value stored in EEPROM mounted on service P C board ...

Page 35: ... 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 IFCB 4E2 Input IFCB 4E2 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 T1...

Page 36: ...he group control In this time the fan of the selected indoor unit turns on 2 Every pushing UNIT LOUVER button left side of the button the indoor unit numbers in group control are displayed successively In this time the fan of the selected indoor unit only turns on 3 Using the setup temp or button specify the CODE No 31 31 31 31 31 4 Using the timer time or button select the SET DATA At shipment 00...

Page 37: ...prohibited to remote controller Status that card is taken out from the card switch box When the card switch box does not perform the above contact operation convert it using a relay with b contact 2 Operation Handle the wired remote controller switch in the following procedure Use the wired remote controller switch during stop of the system 1 Push concurrently SET CL buttons for 4 seconds or more ...

Page 38: ... 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 39: ...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 40: ...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 41: ...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 42: ... 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 43: ...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 44: ...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 45: ... 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 46: ...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 47: ... 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 48: ... 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 49: ...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 50: ... control 0010 In U3 outdoor unit release control 0001 In U4 outdoor unit release control 0016 16HP 50 51 52 53 60 61 62 63 70 71 72 73 80 81 83 Rotation of compressor 1 Rotation of compressor 2 Rotation of compressor 3 Outdoor fan mode 10 10 10 1 rps rps rps Mode 1 D501 Red D501 goes on at the same time when the power supply is turned on Goes on with operation of the main microprocessor D501 flash...

Page 51: ...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 52: ...t exchanger temp sensor TCJ error Indoor heat exchanger temp sensor TC2 error Indoor heat exchanger temp sensor TC1 error Room tem Sensor TA error Indoor or other P C board error Duplicated setting of header in indoor group There is group cable in individual indoor unit Indoor group address is unset Indoor capacity is unset Duplicated central control system address External error was input in indo...

Page 53: ...display TCC LINK central C05 C06 C12 P30 Outdoor 7 segment Auxiliary code Block display Operation Timer Ready Flash Is not displayed In shared use of remote controller According to unit with alarm Abovementioned Main defective position Central control system communication send error Central control system communication receive error There are multiple network adapters Batched alarm of interface fo...

Page 54: ...or 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 of...

Page 55: ... 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 56: ...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 57: ...activated 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 58: ...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 59: ...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 60: ...r wire connection error between indoor unit and outdoor 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 cente...

Page 61: ...Misconnection of pressure sensor in outdoor unit Low pressure sensor Ps error Pressure sensor error in outdoor unit High pressure sensor Pd error Indoor unit EEPROM error Compressor break down r o r r e m e t s y s r o s s e r p m o c t i n u r o o d t u O k c o l r o s s e r p m o C Current detection circuit error Compressor 1 case thermo operation Low pressure Ps drop error Protections stop of o...

Page 62: ...mer Ready Simultaneous flash Operation Timer Ready Alternate flash Check code Cause of trouble occurrence During test run COOL HEAT disagreement Automatic cooling heating setup to automatic cooling heating unavailable model heating setup to cooling only model ...

Page 63: ...unication connectors on indoor P C board Check connection of communication connectors on outdoor P C board Check for defect in indoor P C board Check for defect in outdoor P C board I F E07 I F Indoor outdoor communication circuit error detected at outdoor end All stop Signal cannot be transmitted from outdoor to indoor units for 30 seconds continuously Check outdoor termination resistance setting...

Page 64: ...utomatic address setting is in progress Disconnect inter line tie cable in accordance with automatic address setting method explained in Address setting section E23 E23 I F Outdoor outdoor communication transmission error All stop Signal cannot be transmitted to other outdoor units for at least 30 seconds continuously Check power supply to outdoor units Is power turned on Check connection of tie c...

Page 65: ...t 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 F04 I F TD1 sensor error All stop Sensor resistance is infinity or zero open short circuit Check connection of TD1 sensor connector Check resistance c...

Page 66: ... P C board I F Check for deficiency in compressive output of compressor F22 F22 I F TD3 sensor error All stop Sensor resistance is infinity or zero open short circuit Check connection of TD3 sensor connector Check resistance characteristics of TD3 sensor Check for defect in outdoor P C board I F F23 F23 I F Ps sensor error All stop Output voltage of Ps sensor is zero Check for connection error inv...

Page 67: ...ion of TD1 sensor connector and wiring Check resistance characteristics of TD1 sensor Check for defect in outdoor P C board I F H06 H06 I F Activation of low pressure protection All stop Low pressure Ps sensor detects operating pressure lower than 0 02 MPa Check service valves to confirm full opening both gas and liquid sides Check outdoor PMVs for clogging PMV1 2 Check for defect in SV2 or SV4 ci...

Page 68: ...k connection of TK4 sensor connector Check resistance characteristics of TK4 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 TK5 sensor connector Check resistance characteristics of TK5 sensor Check for defect in outdoor P C board I F H14 H14 I F Compressor 2 case thermo activation All stop Compressor 2 case the...

Page 69: ...it capillary and faulty operation in check valve Check for refrigerant entrapment inside compressor No temperature change is detected by TK2 despite compressor 2 having been started Check for disconnection of TK2 sensor Check resistance characteristics of TK2 sensor Check for connection error involving TK1 TK2 TK3 TK4 and TK5 sensors Check for faulty operation in SV3E or SV3F valve Check for clogg...

Page 70: ...o of priority indoor units I F Duplicated priority indoor unit as displayed on indoor unit other than priority indoor unit All stop More than one indoor unit have been set up as priority indoor unit Check displays on priority indoor unit and outdoor unit L07 Indoor unit Connection of group control cable to standalone indoor unit Stop of corresponding unit There is at least one stand alone indoor u...

Page 71: ... A3 IPDU1 Fan IPDU error 06 A3 IPDU2 Fan IPDU error 07 All IPDU error or Communication error between IPDU and I F circuit board or Outdoor I F circuit board error I F Error in No of IPDUs All stop Insufficient number of IPDUs are detected when power is turned on Check model setting of P C board for servicing outdoor I F P C board Check connection of UART communication connector Check A3 IPDU fan I...

Page 72: ... check valve in discharge pipe convergent section Check gas balancing SV4 valve circuit Check SV5 valve circuit Check for refrigerant overcharging P05 SMMS Series 1 01 Open phase detected 02 Phase sequence error P05 I F Open phase detected Phase sequence error All stop Phase sequence error was detected when the power is turned on Open phase error was detected when the power is turned on Check the ...

Page 73: ...Check PMVs PMV1 2 for clogging Check resistance characteristics of TS1 sensor Check for defect in 4 way valve Check SV4 circuit for leakage P17 P17 I F Discharge temperature TD2 error All stop Discharge temperature TD2 exceeds 115 C Check outdoor service valves gas side liquid side to confirm full opening Check outdoor PMVs PMV1 2 4 for clogging Check resistance characteristics of TD2 sensor Check...

Page 74: ...is not performed properly Check the fan motor Check the connector connection for fan motor Check the error of IPDU board for fan All stop Sub code 0A FAN IPDU overcurrent protection circuit Overcurrent was detected when the fan started running or during operation Check the fan motor Check the error of IPDU board for fan All stop Sub code 0E FAN IPDU position detection circuit Position detection is...

Page 75: ... connection Check for compressor layer short circuit Check for defect in A3 IPDU P C board P31 Indoor unit Other indoor error group follower unit error Stop of corresponding unit There is error in other indoor unit in group resulting in detection of E07 L07 L03 L08 Check indoor P C board All stop Sub code 1 Fan IPDU position detection circuit Position detection is not going on normally Check fan m...

Page 76: ...eck for defect in central control communication line Check termination resistance setting Check power supply for devices at other end of central control communication line Check 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 cont...

Page 77: ...MCC 1643 If faulty Replace Disconnect the connector CN210 to the indoor P C board Is not connection error or disconnection on the connector CN210 of indoor unit P C board Does the fan turn smoothly when turned by hand Is each resistance value on the motor side of the fan motor connector CN210 of the indoor P C board correct Is F01 of the indoor P C board open Is R04 or R05 of the indoor P C board ...

Page 78: ...wire for the UART communication cut Red LED LD1 of external output board not illuminated Red LED LD1 light on the external input output board flashes on and off Red LED LD1 of external input output board blinks Repair of connector connection Check the operating status Yes Yes Yes Yes No No No No Replacement of the connector fs lead wire Lead wire is cut or fault of input output board Fault with th...

Page 79: ...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 80: ...r leakage or trouble on the compressor To open the access panel Use a screwdriver to unfasten the screws of the access panel two places slide the cabinet upward by approximately 30mm and pull it out toward you Part name Object Contents of check Contents of maintenance Indoor Outdoor Heat exchanger Blocking with dust damage check Clean it when blocking is found Fan motor Audibility for sound When a...

Page 81: ...ettings are correct by checking the indoor unit No Group header unit follower unit settings and perform the cooling cycle confirmation through the trial operation Replacement procedures CASE 1 Before replacement the indoor unit can be turned on and the setting data can be read out by wired remote control operation EEPROM data read out 1 Replacement of P C board for Indoor unit servicing and power ...

Page 82: ...us It takes approx 1 min until the remote controller operation is available again 1 The CODE No for the Indoor unit type and Indoor unit capacity are required to set the rotation number setting of the fan 2 If the system indoor group addresses are different from those before replacement the auto address setting mode starts and the manual resetting may be required again when the multiple units grou...

Page 83: ...e the factory set values Step 1 Push SET CL and buttons on the remote controller simultaneously for more than 4 seconds In the group control operation the unit No displayed for the first time is the header unit No At this time the CODE No DN shows 10 Also the fan of the indoor unit selected starts its operation and the swing operation starts if it has the louvers The unit No ALL is displayed if th...

Page 84: ... the temperature setting As described above check the setting data and modify to the data put down in 1 Step 8 Repeat the steps 6 and 7 Step 9 After the setting completes push button to return to the normal stop status It takes approx 1 min until the remote controller operation is available again The CODE No DN are ranged from 01 to FF The CODE No DN is not limited to be serial No Even after modif...

Page 85: ...ction of static pressure 0000 Body sensor 60 Timer setting wired remote controller 0000 Available d0 Remote controller operation save function 0001 Enable F6 Presence of Application control kit 0000 None 2b Thermo output SW T10 e 0000 Thermo ON 1E Temperature range of cooling heating automatic SW control point 0003 3 deg Ts 1 5 C2 Demand setting outdoor unit current demand 0075 75 06 Heating sucti...

Page 86: ...hment 1 Remove the two screws that fix the intake grille The screws are designed to stay on the intake grille 2 Pull the upper part of the intake grille toward you remove two strings that connect the intake grille with the main unit and then remove the intake grille while lifting up it 2 Attachment 1 Attach the intake grille in the reverse way of detachment and then fix it with two screws CAUTION ...

Page 87: ...n CN101 TC2 sensor 2P Black CN102 TCJ sensor 2P Red CN104 Room temperature 2P Yellow CN210 Fan motor 7P White CN510 Louver motor 20P White 6 Remove the Screw 3 two screws that fix the electric parts box slide it toward right and then remove the electric parts box 7 Unlock the lock of the card edge spacer and then remove the P C board 2 Attachment 1 Attach the P C board and the electric parts box a...

Page 88: ...lide the Access panel approx 30mm upward and remove the Access panel while drawing it toward you The screws are designed to stay on the Access panel 2 Attachment 1 Attach the Access panel in the reverse way of detachment and then fix it with two screws CAUTION For reason of safety be sure to fix the Access panel with screws Access panel 2 1 ...

Page 89: ...he Screw 9 a screw for right and left each of the left and right motor band and then remove the fan motor 2 Attachment 1 Attach the fan motor fan and others in the reverse way of detachment and then perform wiring as before NOTE Mount AP015 to AP027 fans so that bump difference when putting motor shaft end face and fan end face together is within 1mm For attachment of AP036 to AP056 fans set so th...

Page 90: ...hield plate 5 Remove the Screw 3 four screws of the heart exchanger assembly and then remove the shield plate 6 Remove three types of the temperature sensors from the heat exchanger assembly 2 Attachment 1 Attach the temperature sensor shield plate and heat exchanger assembly in the reverse way of the detachment and then perform wiring of PMV relay lead wire as before No Part name Procedure Remark...

Page 91: ...TS LIST MMF AP0156H MMF AP0186H MMF AP0246H MMF AP0276H 202 221 222 223 206 250 213 249 215 201 238 251 205 219 220 217 216 236 237 235 255 256 257 258 242 226 227 228 229 243 246 230 231 232 233 244 245 252 210 253 254 212 239 240 ...

Page 92: ...V FAN MULTI BLADE AIR FILTER CLAMP GRILLE CABINET ASSY PANEL REMOTE CONTROLER COVER REMOTE CONTROLER EVAPORATOR ASSY EVAPORATOR ASSY REFRIGERATION CYCLE ASSY REFRIGERATION CYCLE ASSY NUT FLARE 1 4 IN NUT FLARE 3 8 IN SOCKET 3 8 IN SOCKET 1 4 IN NUT FLARE 1 2 IN NUT FLARE 5 8 IN SOCKET 1 2 IN SOCKET 5 8 IN CONNECTION ROD GRILLE ASSY GRILLE OUTLET VERTICAL CABINET LOWER DISTRIBUTOR ASSY DISTRIBUTOR ...

Page 93: ... 93 MMF AP0366H MMF AP0486H MMF AP0566H 203 208 215 250 249 255 256 257 258 218 201 238 205 219 220 237 236 216 247 248 235 251 214 223 210 253 254 241 211 242 227 228 243 231 233 245 252 ...

Page 94: ...40WD109 1 MOTOR PMV EDM MD12TF 3 BODY PMV FAN MULTI BLADE AIR FILTER CLAMP GRILLE CABINET ASSY PANEL REMOTE CONTROLER COVER REMOTE CONTROLER EVAPORATOR ASSY REFRIGERATION CYCLE ASSY NUT FLARE 3 8 IN SOCKET 3 8 IN NUT FLARE 5 8 IN SOCKET 5 8 IN CONNECTION ROD GRILLE ASSY GRILLE OUTLET VERTICAL CABINET LOWER DISTRIBUTOR ASSY HOLDER SENSOR BONNET 3 8 IN BONNET 5 8 IN BAND MOTOR LEFT BAND MOTOR RIGHT ...

Page 95: ...46 0276 0366 0486 0566 401 402 403 404 405 406 407 408 44258091 43050425 43150320 43459017 43160575 4316V549 43F50426 43160582 REACTOR CH 49 Z T SENSOR ASSY SERVICE TC F6 SENSOR ASSY SERVICE TG F4 PC BOARD ASSY TCB PCUC1E TERMINAL BLOCK 2P 20A PC BOARD ASSY MCC 1643 SENSOR SERVICE TA TERMINAL 4P 1 2 1 1 1 1 1 1 ...

Page 96: ...r conditioners is 0 3kg m3 NOTE 1 If there are 2 or more refrigerating systems in a single refrigerating device the amounts of refrigerant should be as charged in each independent device For the amount of charge in this example The possible amount of leaked refrigerant gas in rooms A B and C is 10kg The possible amount of leaked refrigerant gas in rooms D E and F is 15kg NOTE 2 The standards for m...

Page 97: ...TOSHIBA CARRIER CORPORATION 72 34 Horikawa cho Saiwai ku Kawasaki shi Kanagawa 212 8585 JAPAN Copyright 2015 TOSHIBA CARRIER CORPORATION ALL Rights Reserved ...