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-1-2.

In case of connection of

wireless remote controller.

Outdoor unit

Same as left

(Follower)

Same as left

(Follower)

Indoor unit

#1 (Heder)

Drain

pump

Indoor

fan motor

MCU

Driver

DC12V

DC5V

Indoor control P.C. board (MCC-1

720

)

DC20V

Remote controller

communication circuit

Power circuit

DC280V

Fan motor

control circuit

MCU

EEPROM1

EEPROM2

TA sensor

sensor

TCJ sensor

Float input

Bus communication

circuit

synchronous

signal input circuit

Outdoor unit

sensor

Power

Supply

Power

Supply

Outdoor Unit

*1 The schedule timer com be

connected. to only RBC-AMT***

Display

Operation

Power supply

208/230-1-60

- 28 -

Содержание Carrier MMD-AP0246HPUL

Страница 1: ...A SERVICE MANUAL AIR CONDITIONER MULTI TYPE INDOOR UNIT High Static Pressure Duct Type Revised on December 2020 MMD AP0246HPUL MMD AP0306HPUL MMD AP0366HPUL MMD AP0486HPUL MMD AP0546HPUL FILE NO SVM 20101 1 ...

Страница 2: ...ntroller and Wireless Remote Controller 29 8 2 Indoor Print Circuit Board MCC 1720 30 8 3 Optional connector specifications of indoor P C board 31 8 4 Test operation of indoor unit 32 8 5 Method to set indoor unit function DN code 33 8 6 Applied control of indoor unit 36 9 TROUBLESHOOTING 50 9 1 Overview 50 9 2 Troubleshooting method 51 9 3 Troubleshooting based on information displayed on remote ...

Страница 3: ... 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 thi...

Страница 4: ...uted 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 whe...

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: ... 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 se...

Страница 7: ... 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 p...

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: ... Ceiling panel 29 6 29 6 29 6 Main unit 39 4 39 4 55 2 11 8 11 8 11 8 Ceiling panel Appearance Main unit 2 22 2 84 Electrical characteristics Starting current 1 96 0 295 0 350 Power consumption 0 255 1 92 2 24 Running current 1 66 MMD AP0246HPUL MMD AP0306HPUL MMD AP0366HPUL 27 0 34 0 40 0 24 0 30 0 36 0 Note 1 The cooling capacities and electrical characteristics are measured under the conditions...

Страница 12: ...11 8 Outer diamension Main unit 11 8 55 2 29 6 29 6 Appearance Main unit Ceiling panel Starting current 3 07 3 6 Power consumption 0 385 0 435 Running current 2 47 2 8 Electrical characteristics MMD AP0486HPUL MMD AP0546HPUL 54 0 60 0 48 0 54 0 Note 1 The cooling capacities and electrical characteristics are measured under the conditions specified by JIS B 8615 based on the reference piping The re...

Страница 13: ... 0 80 0 90 1 00 1 10 1 20 1 30 200 400 600 800 1000 1200 1400 1600 1800 2000 2200 2400 External static pressure in WG AP0366 type 8 0 8 in 0 0 8 in W 0 8 in WG Low tap 1 0 in WG High tap 0 8 in WG High tap WG High 0 6 in 0 6 0 4 in WG High tap 0 2 in WG High tap Standard air flow 1236 CFM 0 00 0 10 0 20 0 30 0 40 0 50 0 60 0 70 0 80 0 90 1 00 1 10 1 20 1 30 200 400 600 800 1000 1200 1400 1600 1800...

Страница 14: ... site requirement The star mark is below 0 8 in WG high speed fan tap line which means the unit needs to be set to 0 8 in WG external static pressure with high speed fan tap Please follow the process described in application controls of this manual for set up external static pressure Air flow rate CFM 0 00 0 10 0 20 0 30 0 40 0 50 0 60 0 70 0 80 0 90 1 00 1 10 1 20 1 30 100 300 500 700 900 1100 13...

Страница 15: ...nsion of flange C 6 7 170 100 0 5 13 160 Ø 4 9 125 knockout hole For Auxiliary fresh air flange Sold separately 14 0 355 2 4 60 10 0 255 13 6 345 25 6 650 5 2 131 22 4 570 Refrigerant pipe connecting port Liquid side Refrigerant pipe connecting port Gas side Drain pipe connecting port 3 4 87 6 3 3 9 40 1 6 AP0246 AP0306 Model MMD AP0366 AP0546 Dimension in inches mm B A C 39 4 1000 41 9 1065 37 0 ...

Страница 16: ...here are the head of the screw n 4 Make a hole at the installation of inlet duct Air outlet Outside 180 3 4 87 3 9 100 3 9 100 3 9 100 3 9 100 3 9 100 3 9 100 3 9 100 3 9 100 3 9 20 0 8 0 5 13 3 9 100 3 9 100 3 9 100 3 9 100 3 9 100 3 9 100 3 9 100 3 9 100 3 9 50 2 0 0 2 7 3 9 100 3 9 57 2 2 7 1 16 5 3 9 100 3 9 100 3 9 100 3 9 100 3 9 100 3 9 100 3 9 100 3 9 100 3 9 Air inlet 16 ...

Страница 17: ...t 3 9 100 3 9 100 3 9 100 3 9 100 3 9 100 3 9 100 3 9 100 3 9 100 3 9 100 3 9 100 3 9 100 3 9 100 3 9 20 0 8 0 9 22 0 5 13 100 3 9 100 3 9 100 3 9 100 3 9 100 3 9 100 3 9 100 3 9 100 3 9 100 3 9 100 3 9 100 3 9 100 3 9 100 3 9 50 2 0 0 2 7 10 9 276 10 1 256 100 0 3 8 3 9 100 3 9 57 2 2 0 5 15 11 5 24 5 100 3 9 100 3 9 100 3 9 100 3 9 100 3 9 100 3 9 100 3 9 100 3 9 100 3 9 100 3 9 100 3 9 100 3 9 ...

Страница 18: ...4 WIRING DIAGRAMS High Static Pressure Duct Type Wiring Diagram 18 ...

Страница 19: ...otor Drain pump motor Float switch Pulse motor valve TA sensor TC1 sensor TC2 sensor TCJ sensor 12 9 328 mm 0 16 4mm 39 4 1000mm 0 24 6mm 39 4 1000mm 0 24 6mm 39 4 1000mm PAM MD12TF 301 FS 1A 31 3 PMD 08D121TF 2 ICF 340W250 2A MF 340W350 1A 0246HPUL 0306HPUL 19 ...

Страница 20: ...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 Connector CN1...

Страница 21: ...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 Model type SET DATA Floor standing standard concealed cabinet 0 Other model 2 1 Adjustment range remote controller temperature setting F C 2 In heating operation the t...

Страница 22: ...er thermo operation Figures outside applies to body thermo operation Speed modes shown in apply to heating operation under AUTO air conditioner operation mode In AUTO fan speed mode the fan speed remains the same for 1 minute each time a speed change occurs However a speed change command issued via the remote controller can override this and the fan speed changes accordingly At the beginning of he...

Страница 23: ...e indoor fan is operated in breeze mode until it moves into zone I The control is terminated under the following conditions Termination conditions TC1 Indoor heat exchanger sensor temperature With models without TC2 TC2 is not part of the control parameters 2 During cooling the air conditioner is operated in the manner described below according to the temperature readings of the TC2 and TCJ sensor...

Страница 24: ...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 oper...

Страница 25: ...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 because a...

Страница 26: ...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 Do n...

Страница 27: ...control P C board MCC 1720 DC20V Remote controller communication circuit Display LCD Function setup Key switch CN2 CN1 1 Display LED MCU Display LCD LCD driver CPU Remote controller communication circuit Function setup Key switch Power circuit Power circuit DC280V Fan motor control circuit MCU EEPROM1 EEPROM2 TA sensor TC1 sensor TCJ sensor Float input HA Bus communication circuit AC synchronous s...

Страница 28: ...ntrol P C board MCC 1720 DC20V Remote controller communication circuit Power circuit DC280V Fan motor control circuit MCU EEPROM1 EEPROM2 TA sensor TC1 sensor TCJ sensor Float input HA Bus communication circuit AC synchronous signal input circuit Outdoor unit TC2 sensor Power Supply Power Supply U1 U2 Outdoor Unit 1 The schedule timer com be connected to only RBC AMT Display Operation Power supply...

Страница 29: ... controller communication circuit Display LCD Function setup Key switch CN2 CN1 1 Display LED MCU Display LCD LCD driver CPU Remote controller communication circuit Function setup Key switch Power circuit Power circuit DC280V Fan motor control circuit MCU EEPROM1 EEPROM2 TA sensor TC1 sensor TCJ sensor Float input HA Bus communication circuit AC synchronous signal input circuit Power circuit Secon...

Страница 30: ...lack TC1 Sensor CN100 Brown TCJ Sensor CN102 Red TF Sensor CN103 Green TCJ Sensor CN104 Yellow EEPROM IC503 Ventilation output CN32 White Application control kit CN521 Red HA T10 CN61 Yellow DISP CN72 White CHK CN71 White Indoor Outdoor communication CN40 Blue Remote controller CN41 Blue Option power supply CN309 Yellow Power supply CN67 Black Reactor CN01 Blue CN82 Blue 30 ...

Страница 31: ...ion HA answerback signal 2 Defrosting output ON while outdoor unit defrosted 3 Thermostat ON output ON while real thermostat ON compressor ON 5 DC12 V COM 6 Alarm output ON while alarm ON CHK Operation check CN71 1 Check mode input Used for indoor operation check prescribed operational status output such as indoor fan H or drain pump ON to be generated without communication with outdoor unit or re...

Страница 32: ...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 operation ...

Страница 33: ...nit 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 the...

Страница 34: ...TA sensor 33 Temperature unit select 0000 ûC at factory shipment 0001 F 0001 F 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 on model type 0F Cooling only 0000 Heat pump 0001 Cooling only No display of AUTO HEAT 0000 Hea...

Страница 35: ...0017 0018 Capacity Invalid 024 type 030 type 036 type 048 type 054 type Value 0006 Type Model Concealed Duct High Static Pressure Type MMD AP HPUL Indoor Unit Capacity DN code 11 1 Default value stored in EEPROM mounted on service P C board 35 ...

Страница 36: ...tion 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 4UL Input Output IFCB 4UL No voltage ON OFF serial signal 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 Yell...

Страница 37: ...oup 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 0000 00...

Страница 38: ...aken 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 CODE No ...

Страница 39: ...ore 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 unit a...

Страница 40: ...an 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 co...

Страница 41: ...R 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 When ...

Страница 42: ...ed 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 of...

Страница 43: ...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 and i...

Страница 44: ...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 45: ...llowing 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 connec...

Страница 46: ...nfirm 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 unique ...

Страница 47: ...o 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 displ...

Страница 48: ...ntroller 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 chan...

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: ...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 con...

Страница 51: ...9 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 moto...

Страница 52: ...peration 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 is un...

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: ...he 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 lette...

Страница 58: ...bed 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 inf...

Страница 59: ... 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 overheatin...

Страница 60: ...charge 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 TK4 ...

Страница 61: ...omatic 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 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: ...ter 1 2 3 4 5 Red White Black Fan motor inside wiring diagram Under 20 C MF 340W350 1A Position Black Red Black White Red White Resistance value 3 5 0 525 Ω 3 5 0 525 Ω 3 5 0 525 Ω MF 340W350 1A MMD AP0366HPUL ICF 340W250 2A Position Black Red Black White Red White Resistance value 12 4 1 2 Ω 12 4 1 2 Ω 12 4 1 2 Ω AP0246HPUL AP0306HPUL AP0486HPUL AP0546HPUL 80 ...

Страница 81: ... 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 2 4...

Страница 82: ...ged from to The CODE No DN may skip EEPROM data read out 1 Refer to page 1 Writing the read out EEPROM data 3 Refer to page 2 Case 2 The EEPROM before replacement is defective and the setting data cannot be read out based on the customer information 3 Refer to page 2 Power reset for all indoor units connected to the remote control when the group operation control is performed MMD AP HPUL Series MC...

Страница 83: ...se 1 a Remove temporarily the group wire connected to the terminal blocks A and B of the exchanged indoor units and proceed to b After connecting the remote controller wire only to the removed terminal block turn on power of the 3 3 indoor unit 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 o...

Страница 84: ...tting 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 The CODE No DN are ranged from to The CODE No DN is not limited to be serial No Even 1 If the setting data is different modify the setting data by pressing buttons for the timer sett...

Страница 85: ...0002 None Ventilating fan control 31 HA terminal CN61 select 2E Timer setting wired remote controller 60 5D Remote controller operation save function D0 0000 Unavailable 0000 Usual HA terminal 0001 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 res...

Страница 86: ...rection 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 electric parts bo...

Страница 87: ...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 do...

Страница 88: ... the drain pump assembly Ø4 x 10 3 pcs 6 Remove the resin nut switch and then remove the float switch from the fixing plate 2 Attachment 1 Using the removed screws fix the drain pump assembly as original 2 Using the removed resin nut fix the float switch as original 3 Connect the drain hose as original and then attach the hose band Connector position CN34 CN504 Entering part Fixing screws Screw Ch...

Страница 89: ...achment 1 Attach 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 und...

Страница 90: ...rain 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 Di...

Страница 91: ...t 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 plate...

Страница 92: ...XPLODED VIEWS AND PARTS LIST 12 1 MMD AP0246HPUL MMD AP0306HPUL 209 205 201 202 206 210 230 218 219 204 211 207 226 208 212 216 236 237 214 215 217 239 238 240 233 235 ACCESSORY PART 213 243 242 241 203 92 ...

Страница 93: ...1 213 43T83311 BAND HOSE 1 1 214 43T82321 SOCKET 1 1 215 43T97314 NUT FLARE 5 8 IN 1 1 216 43T97312 NUT FLARE 3 8 IN 1 1 217 43T47334 BONNET 15 88 DIA 1 1 218 43T77301 PUMP ASSY 1 1 219 43T51312 SWITCH FLOAT 1 1 226 43T19333 HOLDER SENSOR 2 2 233 43T46515 COIL PMV 1 1 235 43T46517 BODY PMV 1 1 236 43T47386 STRAINER 1 1 237 43T19321 FIX P SENSOR 1 1 238 43T62395 CONDUIT ASSEMBLY 1 1 239 43T39415 BA...

Страница 94: ...12 2 MMD AP0366HPUL MMD AP0486HPUL MMD AP0546HPUL 208 212 216 236 237 214 219 215 218 217 226 230 210 220 204 206 202 201 205 211 209 207 239 238 240 233 235 ACCESSORY PART 213 243 242 241 203 94 ...

Страница 95: ...1 1 213 43T83311 BAND HOSE 1 1 1 214 43T82321 SOCKET 1 1 1 215 43T97314 NUT FLARE 5 8 IN 1 1 1 216 43T97312 NUT FLARE 3 8 IN 1 1 1 217 43T47334 BONNET 15 88 DIA 1 1 1 218 43T77301 PUMP ASSY 1 1 1 219 43T51312 SWITCH FLOAT 1 1 1 226 43T19333 HOLDER SENSOR 2 2 2 233 43T46515 COIL PMV 1 1 1 235 43T46513 BODY PMV 1 1 1 236 43T47386 STRAINER 1 1 1 237 43T19321 FIX P SENSOR 1 1 1 238 43T62395 CONDUIT AS...

Страница 96: ... 408 43T50386 TC SENSOR TCJ 1 1 1 1 1 409 43T63348 CLAMP DOWN 1 1 1 1 1 410 43T63349 CLAMP UP 1 1 1 1 1 411 43T60542 ASM HOUSING BUS 1 1 1 1 1 412 43T60524 ASM HOUSING REM 1 1 1 1 1 413 43T60549 ASM HOUSING PW 1 1 1 1 1 414 43T50389 TA SENSOR 1 1 1 1 1 Location No Part No Description Model name MMD AP CN01 P01 CN67 CN41 R26 DB01 L401 RY01 IC101 CN33 IC201 L01 T01 C08 CN104 F01 IC503 SW501 IC501 A ...

Страница 97: ...ere 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 No ...

Страница 98: ...144 9 MOO 5 BANGKADI INDUSTRIAL PARK TIVANON ROAD TAMBOL BANGKADI AMPHUR MUANG PATHUMTHANI 12000 THAILAND ...

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