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CONFIGURATION OF CONTROL CIRCUIT

6-1. Indoor controller block diagram (MCC-1643)

6-1-1. In case of connection of wired remote controller

Max.8

units are connectable.

(depending on connection system)

*1 The schedule timer can be connected

to only RBC-AMT

∗∗∗

Driver

Indoor control P.C. board
(MCC-1643)

DC20V

DC12V

DC5V

DC
280V

Outside output

MCU

Power supply

208/230-

1-60

Indoor/Outdoor
communication

Indoor unit

#1 (Header)

PMV

Louver

motor

Indoor

fan motor

CPU

DC5V

CN2

CN1

Wired remote controller
(Up to 2 units)

Schedule timer

Function setup

LCD

driver

CPU

Power

circuit

EEPROM

TA sensor

TC1 sensor

TC2 sensor

TCJ sensor

Application

control kit

Occupancy

sensor

Outdoor unit

Fan motor

control circuit

Start/Alarm

BUS

communication

circuit

Power
circuit

Remote controller

communication circuit

Remote controller

communication circuit

Display

LCD

Display LCD

Display LED

EEPROM

Secondary

battery

Function setup

Key switch

Drain

pump

Same
as left

Power

supply

Power

supply

Outdoor

unit

Outdoor

unit

(Follower)

L N

- 28 -

Содержание Carrier MMU-AP0074HPUL

Страница 1: ...assette type MMU AP0074HPUL MMU AP0094HPUL MMU AP0124HPUL MMU AP0154HPUL MMU AP0184HPUL MMU AP0244HPUL MMU AP0304HPUL MMU AP0364HPUL MMU AP0424HPUL MMU AP0484HPUL MMU AP0544HPUL AIR CONDITIONER MULTI TYPE December 2020 FILE NO SVM 20105 ...

Страница 2: ...event destruction of the ozone layer CONTENTS SAFETY CAUTION 3 13 15 16 17 18 28 36 50 82 92 1 CONSTRUCTION VIEWS EXTERNAL VIEWS 2 WIRING DIAGRAM 3 PARTS RATING 4 REFRIGERATING CYCLE DIAGRAM 5 CONTROL OUTLINE 6 CONFIGURATION OF CONTROL CIRCUIT 7 APPLIED CONTROL 8 TROUBLESHOOTING 9 DETACHMENTS 10 REPLACEMENT OF P C BOARD FOR INDOOR UNIT SERVICING 11 EXPLODED VIEWS AND PARTS LIST 96 2 ...

Страница 3: ... 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 this work The qualifi...

Страница 4: ... 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 product ...

Страница 5: ...RNING 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 Doin...

Страница 6: ...nds 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 person Take steps to ensure that the power will not be turned on by marking out of service near the circuit breaker for instance until qualified service person arrive...

Страница 7: ...n 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 ...

Страница 8: ... 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 ai...

Страница 9: ...tight 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 resistan...

Страница 10: ...utdoor 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 receive ...

Страница 11: ...hers do not mix in because pipes are affected by impurities such as water oxide scales oil etc Use the clean pipes Be sure to brazing with flowing nitrogen gas Never use gas other than nitrogen gas 4 For the earth protection use a vacuum pump for air purge 5 R410A refrigerant is azeotropic mixture type refrigerant Therefore use liquid type to charge the refrigerant If using gas for charging compos...

Страница 12: ...er 3 Insulation resistance tester 4 Electroscope Note 1 When flaring is carried out for R410A using the conventional flare tools adjustment of projection margin is necessary For this adjustment a copper pipe gauge etc are necessary Note 2 Charging cylinder for R410A is being currently developed General tools Conventional tools can be used In addition to the above exclusive tools the following equi...

Страница 13: ...80 For branch duct knockout square hole Ø5 9 150 2 positions Ø6 4 162 4 1 105 16 408 Electric parts box 37 4 950 Panel external dimension 30 7 780 Hanging bolt pitch 12 7 323 27 2 690 0 9 20 Hanging bolt pitch 16 4 416 5 10 6 269 33 1 840 Unit external dimension 14 3 362 5 4 1 105 14 7 372 5 2 9 74 4 1 105 3 0 77 For branch duct knockout square hole Ø5 9 150 Bottom face of ceiling 5 1 129 0 2 5 Bo...

Страница 14: ...uare hole Ø5 9 150 5 1 129 3 0 77 4 1 105 13 8 351 4 1 105 15 1 384 1 1 29 Bottom face of ceiling Ceiling panel sold separately 0 6 16 5 Hanging bolt M10 or Ø3 8 procured by locally 27 2 690 0 9 20 Hanging bolt pitch 16 4 416 5 10 6 269 37 4 950 Panel external dimension 30 7 780 Hanging bolt pitch 12 7 323 5 7 2 2 4 1 3 3 2 2 2 4 1 1 2 8 5 6 4 2 5 11 8 300 or less Standing 26 661 or less Standing ...

Страница 15: ...2 WIRING DIAGRAM 15 ...

Страница 16: ...04 PAM MD12TF 301 12 9 328 mm Ø0 16 4mm 39 4 1000mm Ø0 24 6mm 39 4 1000mm Ø0 24 6mm 39 4 1000mm FS 1A 31 3 MDP 1401 Model Fan motor Motor for horizontal grille Pulse motor valve TA sensor TC1 sensor TC2 sensor TCJ sensor Float switch Drain pump motor MMU AP036 AP042 AP054 ICF 340D130 3 MSBPC20F04 PAM MD12TF 301 12 9 328 mm Ø0 16 4mm 39 4 1000mm Ø0 24 6mm 39 4 1000mm Ø0 24 6mm 39 4 1000mm FS 1A 31 ...

Страница 17: ...outline Connector CN082 6P Blue 1 Controls super heat in cooling operation 2 Controls under cool in heating operation 3 Recovers refrigerant oil in cooling operation 4 Recovers refrigerant oil in heating operation Connector CN104 2P Yellow 1 Detects indoor suction temperature Connector CN100 3P Brown 1 Controls PMV super heat in cooling operation Connector CN101 2P Black 1 Controls PMV under cool ...

Страница 18: ...er stops Fan operation Cooling operation Dry operation Heating operation s Ta and Ts automatically select COOL HEAT operation mode for operation s The operation is performed as shown in the following figure according to Ta value at the first time only In the range of Ts 1 1 8 F 1 C Ta Ts 1 1 8 F 1 C Cooling thermo OFF Fan Setup air volume operation continues In the SMMS i and Mini SMMS the automat...

Страница 19: ... heating operation Thermo OFF exchanges to cooling operation Description in the parentheses shows an example of cooling ON OFF When 1 5 lowers against Tsc 10 minutes and after thermo OFF cooling operation Thermo OFF exchanges to heating operation 2 For the automatic capacity control after judgment of cooling heating see Item 4 3 For temperature correction of room temp control in automatic heating ...

Страница 20: ...ates one when thermostat of the remote controller works Value without parentheses indicates one when thermo stat of the body works s If the air speed has been changed once it is not changed for 1 minute However when the air speed exchanged the air speed changes s When heating operation has started select an upward slope for the air speed that is the high position s If the temperature is just on th...

Страница 21: ...point is set to 6 C TCJ Temperature of indoor heat exchanger sensor s In D and E zones priority is given to remote control ler air speed setup s In A zone is displayed 7 Prevention of cold air discharge E B A A zone OFF B zone Over 78 8 F 26 C below 82 4 F 28 C ULTRA LOW LL C zone Over 82 4 F 28 C below 86 F 30 C LOW L D zone Over 86 F 30 C below 89 6 F 32 C MED H E zone HIGH HH D C 32 30 28 26 20...

Страница 22: ...unit 1 Opens PMV of the indoor unit with a constant opening degree 2 Operates the indoor fan and drain pump for approx 1 minute during recovery control and after finish of control The direction of the louver becomes horizontal direction s Recovery operation is usually performed every 2 hours 1 In all cooling operation the air conditioner operates as described below based upon temp detected by TC1 ...

Страница 23: ...erates the drain pump 2 During operation of the drain pump if the float switch operates the drain pump continuously operates and a check code is issued 3 During stop status of the drain pump if the float switch operates the thermostat is forcedly off and this control operates the drain pump After continuous operation of the float switch for approx 5 minutes this control stops the operation and a c...

Страница 24: ...performs Recovery operation for heating refrigerant Oil HEAT READY Displayed on the remote controller The indoor fan stops in order to prevent discharge of cool air when heating operation started or during heating operation including the defrost operation during thermo OFF 1 Selection of the contents that can be operated by the remote controller at the indoor unit side is possible according to set...

Страница 25: ...et or the locked louver closes fully when the unit stops and the louver is automatically set to horizontal discharge position when PRE HEAT Heating ready is displayed heating thermo is off Individual air direction setup Pushing UNIT LOUVER Louver select button enables every discharge port to set up the air direction The louver numbers that are displayed on the display part correspond to those in t...

Страница 26: ...set by the setup data of Item code DN F0 In case of selecting the Swing mode Dual swing or Cycle swing the following numerals is displayed at the center of the remote controller screen for approx 3 seconds when SWING FIX button was pushed to select SWING No display for the standard swing Remarks Carry out setting operation during stop of the unit otherwise the unit stops operation For the setting ...

Страница 27: ...zontal discharge position Horizontal discharge position Horizontal discharge position Full close position It is position check operation and it does not link with the real louver and air direction setup Illustration on the remote controller screen 19 DC motor 1 When the fan stator positioning is performed for the starter and the rotor Vibrate slightly 2 DC motor operates according to the command f...

Страница 28: ...r Indoor fan motor CPU DC5V DC5V 1 CN2 CN1 Wired 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 Application control kit Occupancy sensor Outdoor unit Fan motor control circuit Start Alarm BUS communication circuit Power circuit Power circuit Remote controller communication circuit Remote controller com...

Страница 29: ...larm BUS communication circuit MCU EEPROM TA sensor TC1 sensor TC2 sensor TCJ sensor HA Application control kit Occupancy sensor Driver Remote controller communication circuit Remote controller communication circuit DC 280V Indoor unit 1 Header Indoor fan motor Power supply 208 230 1 60 Power supply Power supply Indoor Outdoor communication Outdoor unit 2 3 Follower Follower L N PMV Louver motor D...

Страница 30: ...ule timer LCD driver Power circuit EEPROM TA sensor TC1 sensor TC2 sensor TCJ sensor HA Wireless Occupancy sensor Application control kit Outdoor unit Fan motor control circuit Start Alarm BUS communication circuit Power circuit Power circuit Remote controller communication circuit Remote controller communication circuit Display LCD Display LCD Display LED EEPROM Secondary battery Key switch Key s...

Страница 31: ... Red TC1 sensor CN100 Brown TCJ sensor CN102 Red TC2 sensor CN101 Black Drain pump CN504 White TA sensor CN104 Yellow Not use CN20 Blue Function switching J01 Function switching J08 Application control kit CN521 Red Remote controller communication LED D504 Green Indoor Outdoor central control communication LED D503 Yellow PMV output CN82 Blue HA T10 CN61 Yellow Wireless remote control CN214 White ...

Страница 32: ...e TEST mode TEST display in the display part disappears and status becomes the normal stop status Cooling Heating test run check The test run for cooling heating can be performed from either indoor remote controller or outdoor interface P C board 1 Start Finish operation of test run Test run from indoor remote controller Wired remote controller Refer to the below item of Test run of the wired remo...

Страница 33: ... a forced cooling operation After approx 3 minutes a cooling operation starts forcedly Check cool air starts blowing If the operation does not start check wiring again 2 To stop a test operation push TEMPORARY button once again Approx 1 second Check wiring piping of the indoor and outdoor units in forced cooling operation TEMPORARY button 33 ...

Страница 34: ...ISP pin CN72 on the indoor P C board in addition to short circuit of CHK pin CN71 on the indoor P C board the minimum opening degree 30pls can be set to the indoor PMV only When open DISP pin the maximum opening degree 1500pls can be obtained again How to clear Open CHK pin While the system is operating it stops once but automatically returns to operation after several minutes Fan motor Indoor PMV...

Страница 35: ...ring alarm output Used for indoor operation check Outdoor does not communicate with remote controller and outputs specified operation such as indoor fan H drain pump ON etc Exhibition mode enables to communicate by indoor unit and remote controller only When power has been turned on Timer short Usual Indoor unit forced thermostat OFF operation Input for float SW CN34 DC12V NC Normal when between s...

Страница 36: ...in the group control 3 Specify the CODE No DN using the setup temperature and buttons 4 Select the setup data using the timer time and buttons When selecting the DN code to 33 change the temperature indication of the unit from C to F on the remote controller 5 Push SET button OK if display goes on To change the selected indoor unit return to procedure 2 To change the CODE No to be set up return to...

Страница 37: ...g For setup temperature reversal of COOL HEAT by Data value 2 0000 None 0001 Restart 0000 Filter input 0001 Alarm input Air washer etc 0002 None 0000 Usual 0001 Leaving ON prevention control 0002 Fire alarm input 0000 Unavailable 0001 Available 0000 Body TA sensor 0001 Remote controller sensor 0000 C at factory shipment 0001 F At shipment 0002 2500H 0000 Standard 0099 Unfixed 0000 No priority 0001...

Страница 38: ... Standard 3 0m 3 3m 3 6m 3 0m 3 3m 3 6m At shipment 0001 High ceiling 3 3m 3 5m 3 8m 3 3m 3 5m 3 8m 0003 High ceiling 3 6m 3 8m 3 6m 3 8m 0000 Standard filter At shipment 0000 Available Operable 0001 Unavailable Operation prohibited At shipment 0000 Standard 0000 Available TYPE 1 Initial setting value of EEPROM installed on the service P C board Indoor unit capacity Setup data 1 0001 Type 4 way Ca...

Страница 39: ... signal Output during normal operation 3 Error signal Output during alarm Serial communication error or indoor outdoor protective device operation 2 Wiring diagram using remote control interface TCB IFCB 4UL Input Output IFCB 4UL No voltage ON OFF serial signal No voltage contact for operation error display Contact capacity Below Max AC240V 0 5A 1 2 3 4 5 6 CN61 T10 YEL 1 2 3 4 1 2 3 4 5 6 CN13 CN...

Страница 40: ...rol 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 4 Using the timer time or button select the setup data At shipment The setup data are as follows Setup data Handling of operation of air to air heat exchanger or ventilating fan Unavailable At shipment Available 5 Push SET button OK if display goes o...

Страница 41: ...ard is taken out from the card switch box When the card switch box does not perform the above contact operation convert it using a relay with b contact 2 Operation Handle the wired remote controller switch in the following procedure Use the wired remote controller switch during stop of the system 1 Push concurrently SET CL TEST buttons for 4 seconds or more 2 Using the setup temp or button specify...

Страница 42: ...Indoor Indoor Indoor unit Line address 1 Indoor unit address 1 Group address 1 1 2 2 1 3 2 2 1 2 2 2 2 Operation procedure 1 2 3 4 5 6 1 3 6 9 END 11 2 5 8 4 7 10 SET TIME TIMER SET TEST FILTER RESET TEMP CL FAN SAVE SWING FIX VENT MODE ON OFF UNIT LOUVER 7 8 9 10 11 END Note 1 When setting the line address from the remote controller do not use Address 29 and 30 As they are addresses which cannot ...

Страница 43: ...oller Group control unit other unit numbers are also displayed every pushing UNIT LOUVER left side button button 2 To know the position of indoor unit by address To confirm the unit No in the group control Follow to the procedure during operation in this procedure the indoor units in group control stop Procedure The indoor unit numbers in the group control are successively displayed and fan louver...

Страница 44: ... SWING FIX button 3 Determine the selected line address using SET button The address of the indoor unit connected to the refrigerant piping of the selected outdoor unit is dis played and the fan and the louver are on 4 Every pushing UNIT LOUVER left side button button the indoor unit No in the identical piping is Only fan and louver of the selected indoor unit start operation To select the other l...

Страница 45: ...IT 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 repeatedly ...

Страница 46: ...s not displayed 4 TIME button push up down the indoor address of the SET DATA The set data is changed to a new address 5 Push SET button to determine the set data 6 Every pushing UNIT LOUVER left side button button Only fan and louver of the selected indoor unit start operation Repeat the Procedures 4 to 6 to change all the indoor addresses so that they are not duplicated 7 Push SET button All the...

Страница 47: ... service monitor mode 2 Push TEMP button to set the CODE N to FF 3 The display of A part in the following figure is counted as with 5 seconds interval When appear the error was cleared However counting from is repeated on the display screen 4 When pushing TEST button the status becomes normal How to clear error of indoor unit The error of indoor unit is cleared by ON OFF button of the remote contr...

Страница 48: ... call up the service monitor mode The service monitor goes on and firstly the temperature of the CODE No is displayed 1 2 3 4 Returns to normal display Operation procedure 2 4 1 3 SET TIME TIMER SET TEST FILTER RESET TEMP CL FAN SAVE SWING FIX VENT MODE ON OFF UNIT LOUVER 2 Push TEMP button to change CODE No to the CODE No to be monitored For display code refer to the following table 3 Push UNIT L...

Страница 49: ... side TL1 Temperature at liquid side TL2 Temperature at liquid side TL3 10 10 1 1 1 1 1 1 1 1 1 1 1 1 psi psi F F F F F F F F F F F F 4350 435 psi CODE No Data name Display format Unit Remote control display example 90 Heating cooling recovery controlled 0 Normal 0010 Heating recovery controlled 0 Normal 1 Release controlled 92 Discharge temperature release 0001 Discharge temperature release contr...

Страница 50: ...remote controller is unavailable Check items Is not delayed for 3 minutes 3 minutes after compressor OFF Is not thermostat OFF Is not the fan operating or timer Is not the system initially communicating Heating operation cannot be performed under condition of outside temperature 21 C or higher Cooling operation cannot be performed under condition of outside temperature 5 C or lower Is not the cold...

Страница 51: ...r 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 indoor Interlock Indoor AC fan error...

Страница 52: ...play 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 for g...

Страница 53: ... 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 o...

Страница 54: ...cuit 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 SIM ...

Страница 55: ...3 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 SW a...

Страница 56: ...vated 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 det...

Страница 57: ...E TIMER SET TEST FILTER LTER L RESET TEMP CL FAN SAVE AVE A SWING FIX VENT MODE ON OFF UNIT LOUVER T Procedure 1 2 3 Description When pushing SET and TEST buttons simultaneously for 4 seconds or more the below display appears If Service Check is displayed the mode enters in the error history mode 01 Error history order is displayed in CODE No window Check Code is displayed in check code window Ind...

Страница 58: ...p 1 Push and SET buttons in succession for 4 seconds or more 2 SERVICE CHECK goes on and Item code 01 goes on 3 When selecting flash the group number if there is the alarm history the UNIT number and the latest alarm history are displayed alternately In this time the temperature cannot be set up 4 To confirm the alarm history other than the latest one push temp set to select Item code 01 to 04 5 T...

Страница 59: ...rruption 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 center unit Disagreement of refrigerant pipe communication during setting of automat...

Страница 60: ...ssure sensor Ps 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 Compressor lock Outdoor unit compressor system error Current detection circuit error Compressor 1 case thermo operation Low pressure Ps drop error Protections stop of outdoor unit Oil face dr...

Страница 61: ... Ready Simultaneous flash Operation Timer Ready Alternate flash Check code Cause of trouble occurrence During test run COOL HEAT disagreement Automatic cooling heating setup to automatic cooling heating unavailable model heating setup to cooling only model 61 ...

Страница 62: ...ller 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 outdoor...

Страница 63: ...ic 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 suppl...

Страница 64: ...ts 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 sign...

Страница 65: ...03 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 res...

Страница 66: ...ard 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 sensor ...

Страница 67: ...tivity 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 circui...

Страница 68: ...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...

Страница 69: ...k 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 Loc...

Страница 70: ...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...

Страница 71: ...e 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 address s...

Страница 72: ... 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 IPDU1 A...

Страница 73: ...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...

Страница 74: ...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 disco...

Страница 75: ...kage 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 piping f...

Страница 76: ... 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 Che...

Страница 77: ...med 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 actual ro...

Страница 78: ... 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 P C...

Страница 79: ...fect 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 Er...

Страница 80: ...ernal input output board flashes on and off Red LED LD1 of external input output board blinks No Yes Fault with the external input output board Replace No Lead wire is cut or fault of input output board Yes Check the operating status Repair of connector connection Yes Replacement of the connector s lead wire 8 5 Diagnostic Procedure for Each Check Code Indoor Unit Please refer to the multi outdoor...

Страница 81: ...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 2 4 2 0 1 6 1 4 1 2 Temperature C Temperat...

Страница 82: ...B 3 Pull down the electric parts cover remove pin of the bell mouth and then slide it to the arrow direction in order to open the claws and the electric parts box cover 2 Attachment 1 Close the electric parts cover and slide it hook claw of the electric parts box claw of the electric parts box cover and the Dharma doll hole and then insert pin of the bell mouth into hole of the electric parts box ...

Страница 83: ...he cap of the knob side at first 2 Attachment 1 Hook strap of the adjust corner cap securely to pin of the ceiling panel 2 Insert claw of the adjust corner cap into the square hole of the panel 2 positions 3 Push claws of the adjust corner cap into the positions indicated with arrow marks so that they fit in 3 positions Adjust corner cap 3 Push into positions with arrow marks Adjust corner cap Kno...

Страница 84: ...ndoor unit 2 Pass the head of the panel fixing screw through hole of the panel fixing bracket and then slide the panel fixing bracket inward 3 Tighten in the panel fixing screw to fix the ceiling panel 4 Following to work of item 2 of 3 attach the adjust corner cap as before 5 Connect the louver connector CN510 White 20P as before and then fix the lead wire with clamp 6 Following to work of item 2...

Страница 85: ...OTE Unlock the lock of the housing part and then remove the connector 3 Unlock the locks of the card edge spacer 6 positions and then remove the control P C board 2 Attachment 1 Fix the control P C board to the card edge spacer 6 positions 2 Connect the connector removed in item 1 as before and then fix the wiring with the clamp 3 Following to work of item 2 of 2 mount the electric parts box cover...

Страница 86: ...tc 4 Turn the drain cap once again to OPEN direction to remove it 2 Attachment 1 Insert the drain cap inside turn it to CLOSE direction until the position where Clashed sound is heard and it cannot be turned more over Position where mark of the drain pan matches with mark of the drain cap inside and then fix it NOTE When attaching the drain cap inside remove dirt attached to the packing And tighte...

Страница 87: ...ove the fixing screws and then remove the nut cap Ø4 10 2 pcs 7 Remove the fixing nut and then remove the turbo fan M8 nut with flange 1 pc 8 Remove the fixing screws and then remove the motor lead holding bracket Ø4 8 2 pcs 9 Cut the bundling band and then remove it from the clamp 10 Remove the fixing nut and then remove the fan motor Ø6 nut 3 pcs 2 Attachment 1 Fix the parts as before in order o...

Страница 88: ... wiring with the clamp 5 Following to work of item 2 of 2 mount the electric parts box cover and the suction grille as before XCAUTIONX When exchanging the fan motors of the models MMU AP009 to AP030 take off lead wire from the clamp filter which is connected to CN334 of the fan motor to be exchanged and then connect the removed lead wire to a new fan motor Remarks Clamp Fan motor lead M6 nut Fan ...

Страница 89: ...your hand into the drain port and pass the connector of the drain pump lead wire through the wiring taking out port 2 Connect the drain hose to the drain pump as before NOTE Insert the drain hose up to the end of the drain pump connecting part apply band to the white mark position of the hose and then set the band knob upward 3 Return the drain pump to the indoor unit and then mount it as before u...

Страница 90: ...1 Mount the float switch assembly as before with the fixing screw NOTE When mounting match hole of the float switch assembly with projection of the drain pan 2 Mount the bell mouth as before Ø4 10 8 pcs 3 Following to works of item 2 of 7 and works from 2 to 5 attach the parts as before Remarks 10 Drain pan 1 Detachment 1 Carry out works of item 1 of 4 item 1 of 6 item 1 of 7 and works from 2 to 5...

Страница 91: ...ove the fixing screws and then remove the piping cover Ø4 10 3 pcs 5 Remove the drain hose from the drain pump and remove the fixing screws to remove the drain pump stand Ø4 8 3 pcs 6 While pushing the heat exchanger remove the fixing band fixing screws and the heat exchanger Ø4 8 3 pcs 2 Attachment 1 Mount the heat exchanger with the fixing band and the fixing screws Ø4 8 3 pcs 2 Fix the parts as...

Страница 92: ...er information 3 Refer to page 2 Power reset for all indoor units connected to the remote control when the group operation control is performed 1 Setting data read out from EEPROM The setting data modified on the site other than factory set value stored in the EEPROM shall be read out 10 Replacement of P C Board for Indoor Unit Servicing Models MMU AP HPUL Series Note when replacing the P C board ...

Страница 93: ...e turned on individually Case 1 a Remove temporarily the group wire connected to the terminal blocks A and B of the exchanged indoor unit b After connecting the remote controller wire only to the removed terminal block turn on power of the 3 C In case that power of the indoor units cannot be turned in individually a Remove all CN41 connectors of the indoor units in the same group except those of t...

Страница 94: ...lable again SET SET 1 If the setting data is different modify the setting data by pressing buttons for the timer setting to the Write the on site setting data to the EEPROM such as address setting etc Perform the steps 1 and 2 above again Change the CODE No DN to by pressing buttons for the temperature setting this is the setting for the filter sign lighting time Check the setting data displayed a...

Страница 95: ...1 Enable 0000 Available Presence of Application control kit TCB PCUC2E Communication protocol FC 0000 None 0000 TCC LINK 1Fb Remote controller operation 0000 Operation possible Indoor Unit terminating resistance 1FC 0000 OFF 0000 Default setting External static pressure F6 Heating suction temperature shift 06 0001 No automatic Automatic mode 0D Sensor SW 32 0000 Body sensor FS unit adress FE 00Un ...

Страница 96: ...267 266 241 270 269 268 228 251 254 229 255 227 209 264 213 215 273 271 272 257 220 ACCESSORY PART 11 EXPLODED VIEWS AND PARTS LIST 11 1 Indoor Unit MMU AP0074HPUL MMU AP0094HPUL MMU AP0124HPUL 96 ...

Страница 97: ... 1 245 43T51314 SWITCH ASSY FLOAT 1 1 1 246 43T79319 LID ASSY OUTSIDE 1 1 1 247 43T71303 SOCKET ASSY DRAIN 1 1 1 248 43T97310 WASHER 3 3 3 249 43T97001 NUT 1 1 1 250 43T19321 FIX P SENSOR 1 1 1 251 43T47332 BONNET 9 52 DIA 1 1 1 254 43T97312 NUT FLARE 3 8 IN 1 1 1 255 43T47331 BONNET 6 35 DIA 1 1 1 256 43T19333 HOLDER SENSOR 2 2 2 257 43T83311 BAND HOSE 1 1 1 260 43T83312 STRING 1 1 1 262 43T79318...

Страница 98: ...267 266 241 271 270 269 274 272 273 257 220 ACCESSORY PART 213 216 MMU AP0154HPUL MMU AP0184HPUL MMU AP0244HPUL MMU AP0304HPUL 98 ...

Страница 99: ... 242 43T39353 CAP NUT 1 1 1 1 244 43T77301 PUMP ASSY 1 1 1 1 245 43T51314 SWITCH ASSY FLOAT 1 1 1 1 246 43T79319 LID ASSY OUTSIDE 1 1 1 1 247 43T71303 SOCKET ASSY DRAIN 1 1 1 1 248 43T97310 WASHER 3 3 3 3 249 43T97001 NUT 1 1 1 1 250 43T19321 FIX P SENSOR 1 1 1 1 251 43T47332 BONNET 9 52 DIA 1 1 252 43T47333 BONNET 12 70 DIA 1 1 253 43T47334 BONNET 15 88 DIA 1 1 254 43T97312 NUT FLARE 3 8 IN 1 1 2...

Страница 100: ...268 267 241 271 270 269 274 272 273 257 220 ACCESSORY PART 213 214 MMU AP0364HPUL MMU AP0424HPUL MMU AP0484HPUL MMU AP0544HPUL 100 ...

Страница 101: ...1 1 242 43T39353 CAP NUT 1 1 1 1 244 43T77301 PUMP ASSY 1 1 1 1 245 43T51314 SWITCH ASSY FLOAT 1 1 1 1 246 43T79319 LID ASSY OUTSIDE 1 1 1 1 247 43T71303 SOCKET ASSY DRAIN 1 1 1 1 249 43T97001 NUT 1 1 1 1 250 43T19321 FIX P SENSOR 1 1 1 1 251 43T47332 BONNET 9 52 DIA 1 1 1 1 253 43T47334 BONNET 15 88 DIA 1 1 1 1 254 43T97312 NUT FLARE 3 8 IN 1 1 1 1 256 43T19333 HOLDER SENSOR 2 2 2 2 257 43T83311 ...

Страница 102: ...AL 1 1 1 1 1 1 1 1 1 1 1 406 43T6W915 PC BOARD ASSY 1 1 1 1 1 1 1 1 1 1 1 407 43T60547 ASM HOUSING PW 1 1 1 1 1 1 1 1 1 1 1 408 43T60543 ASM HOUSING BUS 1 1 1 1 1 1 1 1 1 1 1 409 43T60544 ASM HOUSING REM 1 1 1 1 1 1 1 1 1 1 1 410 43T50409 TA SENSOR 1 1 1 1 1 1 1 1 1 1 1 Location No Part No Description Model name MMU AP 402 410 401 RED WHI RED WHI O R IN TE D O R IT B A N T A P P LY 22 0 24 0V U U ...

Страница 103: ...L COVER ASSEMBLY 3 310 43T01332 ASM COVER PANEL 1 312 43T07320 PANEL FIX PLATE A 2 313 43T07321 PANEL FIX PLATE B 2 314 43T07324 HOOK 2 315 43T07319 AXIS CAP 4 316 43T03403 COVER MOTOR ASSEMBLY 2 317 43T03401 COVER ASSEMBLY 1 318 43T03402 COVER ASSEMBLY 1 319 43T07322 MOTOR FIXURE 2 320 43T07323 MOTOR FIXURE 2 321 43T60474 LEAD MOTOR 1 322 43T00714 PANEL 1 RBC U32PGP W UL Location No Part No Descr...

Страница 104: ...air 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...

Страница 105: ...144 9 MOO 5 BANGKADI INDUSTRIAL PARK TIVANON ROAD TAMBOL BANGKADI AMPHUR MUANG PATHUMTHANI 12000 THAILAND ...

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