Toshiba MMD-AP0186HP-E Service Manual Download Page 98

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12. EXPLODED VIEWS AND PARTS LIST

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Summary of Contents for MMD-AP0186HP-E

Page 1: ...NER MULTI TYPE MMD AP0186HP E MMD AP0246HP E MMD AP0276HP E MMD AP0366HP E MMD AP0486HP E MMD AP0566HP E INDOOR UNIT Concealed Duct High Static Pressure Type MMD AP0186HP TR MMD AP0246HP TR MMD AP0276HP TR MMD AP0366HP TR MMD AP0486HP TR MMD AP0566HP TR ...

Page 2: ... and Wireless Remote Controller 31 8 2 Indoor Print Circuit Board MCC 1631 32 8 3 Optional connector specifications of indoor P C board 33 8 4 Test operation of indoor unit 34 8 5 Method to set indoor unit function DN code 35 8 6 Applied control of indoor unit 38 9 TROUBLESHOOTING 54 9 1 Overview 54 9 2 Troubleshooting method 55 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: ...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: ...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: ...uit breaker 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...

Page 7: ...en 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 objects may fall from above possibly injuring a...

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: ...er 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 occur Install the indoor unit at least 2 5 m above the floor level since otherwise the users may injure themselves or rece...

Page 11: ...r 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 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 w...

Page 12: ...eating Weight kg Main unit MMD AP0186HP E MMD AP0246HP E MMD AP0276HP E MMD AP0366HP E MMD AP0486HP E MMD AP0566HP E MMD AP0186HP TR MMD AP0246HP TR MMD AP0276HP TR MMD AP0366HP TR MMD AP0486HP TR MMD AP0566HP TR 34 34 34 43 43 43 34 34 34 43 43 43 Under 70 dBA ...

Page 13: ...dB A 37 38 41 42 45 Sound pressure level Note 2 High Med Low 32 30 34 31 37 34 40 35 42 37 Note 1 The cooling capacities and electrical characteristics are measured under the conditions specified by JIS B 8615 based on the reference piping The reference piping consists of 5m of main piping and 2 5m of branch piping connected with 0 meter height Note 2 The sound level are measured in an anechoic ch...

Page 14: ...e level Note 2 High Med Low 32 30 34 31 37 34 40 35 42 37 Note 1 The cooling capacities and electrical characteristics are measured under the conditions specified by JIS B 8615 based on the reference piping The reference piping consists of 5m of main piping and 2 5m of branch piping connected with 0 meter height Note 2 The sound level are measured in an anechoic chamber in accordance with JIS B 86...

Page 15: ...pressure loss option Filter set pressure loss option Standard Air Flow 800m3 h 200Pa Mid 0 25 50 75 100 125 150 175 200 225 500 600 700 800 900 1000 1100 1200 1300 1400 1500 1600 Static Pressure Pa Air Flow m3 h 200Pa High 150Pa High 100Pa High 50Pa High 200Pa Low 150Pa Low 100Pa Low 50Pa Low Spigod Flange pressure loss option Filter set pressure loss option Standard Air Flow 1 200m3 h 200Pa Mid A...

Page 16: ... 2200 2400 2600 2800 Static Pressure Pa Air Flow m3 h 200Pa High 150Pa High 100Pa High 50Pa High 200Pa Low 150Pa Low 100Pa Low 50Pa Low Spigod Flange pressure loss option Filter set pressure loss option Standard Air Flow 2 100m3 h 200Pa Mid 0 25 50 75 100 125 150 175 200 225 250 1000 1200 1400 1600 1800 2000 2200 2400 2600 2800 3000 Static Pressure Pa Air Flow m3 h 200Pa High 150Pa High 100Pa High...

Page 17: ...5 1340 700 650 50 50 4 Φ12 30 Hole for hanging bolt Hanging bolt mounting pitch 355 570 650 345 60 Drain pipe connecting port 170 160 180 298 750 87 255 Φ125 Knockout hole For Auxiliary fresh air flange Sold separately 131 40 100 13 22 Refrigerant pipe connecting port Liquid side Refrigerant pipe connecting port Gas side Main unit dimension A External dimension C Hanging bolt mounting pitch B AP03...

Page 18: ...0 100 100 100 100 13 Air inlet AP0186 AP0246 AP0276 Electrical control box There are the head of the screw n 4 975 7 100 100 100 100 100 100 100 100 100 418 180 276 256 Make a hole at the installation of inlet duct 100 100 100 100 100 100 100 100 100 50 380 318 100 57 50 100 960 8 15 ...

Page 19: ...Air inlet AP0366 AP0486 AP0566 Unit mm Electrical control box There are the head of the screw n 4 Make a hole at the installation of inlet duct 50 15 624 293 256 496 524 100 100 57 1360 1375 100 100 100 100 100 100 100 100 100 100 100 100 50 100 7 100 100 100 100 100 100 100 100 100 100 100 100 100 8 276 ...

Page 20: ... 20 4 WIRING DIAGRAMS ...

Page 21: ... Pulse motor valve TA sensor TC1 sensor TC2 sensor TCJ sensor Lead wire length 230mm 4 size lead wire length 1000mm Vinyl tube Blue 6 size lead wire length 1000mm Vinyl tube Black 6 size lead wire length 1000mm Vinyl tube Red EFM 60YGTCTH 1 EFM 40YGTF 1 EFM MD12TF 1 FS 1A 31 3 MDP 1401 PMD 08D12TF 1 ICF 340W250 2 MF 340W350 1 ...

Page 22: ...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 23: ...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 24: ... 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 25: ... 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 26: ...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 27: ...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 28: ...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 29: ...lower A B DC5V DC5V Indoor unit 1 Heder Indoor control P C board MCC 1631 Drain pump 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 Fan motor control circuit CPU TMP88CH...

Page 30: ...ion 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 Receiver P C board Drain pump PMV TA sensor TC1 sensor TC2 sensor TCJ sensor Float input HA Outdoor unit N U1 U2 U1 U2 L BUS comunication circuit AC ...

Page 31: ... 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 Remote controller communication circuit Receive circuit Function setup SW C...

Page 32: ...W 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 Indoor Outdoor communication ...

Page 33: ...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 34: ...ted to the 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 operat...

Page 35: ...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 36: ...nsor selection 0000 Body TA sensor 0001 Remote controller sensor 0000 Unavailable 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 13 Indoor unit address 0001 No 1 unit 0064 No 64 unit to 0099 Unfixed 10 Type 0006 Concealed Duct High Static Pressure Type refer to 36 page Type CODE No 10 Depending o...

Page 37: ...pacity 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 0006 Type Model Concealed Duct High Static Pressure Type MMD AP HP Indoor Unit Capacity DN code 11 1 Default value stored in EEPROM mounted on service P C board ...

Page 38: ... 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 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 39: ...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 40: ...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 41: ... 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 42: ...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 43: ...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 44: ...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 45: ... 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 46: ...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 47: ...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 48: ... 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 49: ...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 50: ... 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 51: ... 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 52: ...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 53: ...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 54: ...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 55: ... 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 56: ...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 57: ...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 58: ... 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 59: ...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 60: ...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 61: ...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 62: ...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 63: ...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 64: ...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 65: ... 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 66: ...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 67: ...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 68: ... 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 69: ...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 70: ...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 71: ...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 72: ...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 73: ...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 74: ...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 75: ...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 76: ...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 77: ...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 78: ...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 79: ...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 80: ...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 81: ...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 82: ... 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 83: ... 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 84: ...winding by using the tester 1 2 3 4 5 Red White Black Fan motor inside wiring diagram Under 20 C MF 340W350 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 MF 340W350 1 MMD AP0366HP AP0486HP ICF 340W250 2 Position Black Red Black White Red White Resistance value 12 4 1 2 Ω 12 4 1 2 Ω 12 4 1 2 Ω AP0276HP AP0566HP ...

Page 85: ...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 86: ...y 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 on the ind...

Page 87: ...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 88: ...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 89: ...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 90: ... 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 91: ...pending 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 Standard 0000 ...

Page 92: ...d arrow direction and pulling to this side the electric parts cover opens using the hinge part as a shaft 3 Take off 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 electri...

Page 93: ...in unit 2 Attachment 1 Attach the electric parts box and then perform wiring as original NOTE 1 Check there is no missing or contact failure on the connectors NOTE 2 Be sure to perform wiring as original 2 Attach suction panel and electric parts box cover as original Control P C board 1 Detachment 1 Perform work of 1 of In the works of 1 of removal of the control P C board is available even if you...

Page 94: ...band Connector position CN34 CN504 Entering part Fixing screws Screw Check cover Resin nut Drain pump Float switch Drain hose Hose band NOTE Insert the drain hose to the end of the drain pump 4 Connect the drain pump and the float switch wiring as original and close the electric parts box cover for fixing Be sure to perform wiring in the electric parts box as original 5 Enter the corners 2 positio...

Page 95: ...tach the fan case upper as original position with the fixing screws Ø4x 10 6 pcs 2 Insert the fan in the shaft while adjusting to match the hexagonal screw hole to the groove of the shaft 3 Perform screwing the fan motor with the motor band Ø5 x 10 2 pcs 4 While positioning so that the fan is at the center of the fan case upper fix the fan with hexagonal screw 5 Attach the fan case under as origin...

Page 96: ...y Drain pan 2 Attachment 1 First hook the thin side of the drain pan to the discharge port panel and then push in the thick side 2 Close the bottom base and fix it with screws NOTE When removing the drain cap be sure to receive drain water using a bucket etc NG Do not hold the drain socket CAUTION When replacing the fan motor be sure to exchange the clamp filter with the fan motor lead wire Handle...

Page 97: ... out the heat exchanger slowly Heat exchanger 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 Screw position Heat exchanger fixed pl...

Page 98: ...98 12 EXPLODED VIEWS AND PARTS LIST 12 1 MMD AP0186HP E TR MMD AP0246HP E TR MMD AP0276HP E TR 209 205 201 202 206 220 210 230 203 213 218 219 204 211 207 226 235 236 237 233 234 208 212 216 214 215 217 ...

Page 99: ...ONNET 9 52 DIA 1 1 1 1 43T47331 BONNET 6 35 DIA 1 1 213 43T83311 BAND HOSE 1 1 1 1 1 1 43T82321 SOCKET 1 1 1 1 43T82320 SOCKET 1 1 43T97314 NUT FLARE 5 8 IN 1 1 1 1 43T97317 NUT FLARE 1 2 IN 1 1 43T97312 NUT FLARE 3 8 IN 1 1 1 1 43T97311 NUT FLARE 1 4 IN 1 1 43T47334 BONNET 15 88 DIA 1 1 1 1 43T47333 BONNET 12 70 DIA 1 1 218 43T77301 PUMP ASSY 1 1 1 1 1 1 219 43T51312 SWITCH FLOAT 1 1 1 1 1 1 220 ...

Page 100: ... 100 12 2 MMD AP0366HP E TR MMD AP0486HP E TR MMD AP0566HP E TR 201 202 203 204 205 206 207 209 210 211 213 218 219 220 230 226 235 236 237 233 234 214 215 217 208 212 216 ...

Page 101: ... 211 43T39362 FLANGE 1 1 1 1 1 1 212 43T47332 BONNET 9 52 DIA 1 1 1 1 1 1 213 43T83311 BAND HOSE 1 1 1 1 1 1 214 43T82321 SOCKET 1 1 1 1 1 1 215 43T97314 NUT FLARE 5 8 IN 1 1 1 1 1 1 216 43T97312 NUT FLARE 3 8 IN 1 1 1 1 1 1 217 43T47334 BONNET 15 88 DIA 1 1 1 1 1 1 218 43T77301 PUMP ASSY 1 1 1 1 1 1 219 43T51312 SWITCH FLOAT 1 1 1 1 1 1 220 43T83307 BAND HOSE 1 1 1 1 1 1 226 43T19333 HOLDER SENSO...

Page 102: ...5 43T60362 TERMINAL 1 406 43T6V499 PC BOARD ASSY 1 407 43T63356 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 12 3 Electric Parts MMD AP0186HP E TR MMD AP0246HP E TR MMD AP0276HP E TR MMD AP0366HP E TR MMD AP0486HP E TR MMD AP0566HP E TR ...

Page 103: ...f 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 minimum room volume are as follows 1...

Page 104: ...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 MMD-AP0186HP-E, Service Manual

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