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Toshiba MMY-SAP0806HT8JP-E, Service Manual

The Toshiba MMY-SAP0806HT8JP-E Service Manual is available for free download on our website. This comprehensive manual provides detailed instructions on operating, troubleshooting, and maintaining this high-performance product. Download the manual today from manualshive.com to ensure a seamless experience with your Toshiba MMY-SAP0806HT8JP-E.

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SAP0806

HT8(J)P

SAP1006

HT8(J)P

SAP1206

HT8(J)P

001

43T20341

FAN, PROPELLER

1

1

1

002

43T20342

MOTOR, FAN, DC530-620V, 2300L

1

1

1

003

43T19354

CABINET, AIR OUTLET

1

1

1

005

43T19359

GUARD, FAN

1

1

1

006

43T00613

CABINET ASSY, SIDE, LEFT

1

1

1

007

43T00614

CABINET ASSY, SIDE, RIGHT

1

1

1

008

43T00624

CABINET, AIR INLET, FRONT

1

1

1

009

43T00620

CABINET, AIR INLET, BACK

1

1

1

012

43T00615

CABINET ASSY, FRONT, DOWN

1

1

1

013

43T00616

CABINET ASSY, BACK, DOWN

1

1

1

016

43T00623

PANEL

1

1

1

017

43T41458

COMPRESSOR, RA421A3TB-20MD

2

2

2

019

43T46393

VALVE, BALL, 25.4

1

1

1

022

43T46374

VALVE, PACKED, 12.7

1

1

1

023

43T46444

VALVE, CHECK, UCV-A1505DRQ5

1

1

1

026

43T46398

VALVE, CHECKED, BCV-804DY

2

2

2

028

43T46400

VALVE, CHECKED, BCV-302DY

1

1

1

029

43T46409

JOINT,CHECK

3

3

3

030

43T46447

VALVE, PMV, PAM-BA2YGTF-1  (Ø4.8

）

1

1

1

031

43T46439

VALVE, PMV, UKV-18D64 (Ø1.8)

1

1

1

032

43T46449

COIL, PMV

1

1

1

034

43T46451

COIL, PMV

1

1

1

035

43T46452

VALVE, 4WAY, SHF-35B-67-04

1

1

1

036

43T46453

COIL, SOLENOID, AC220V-240 50HZ

1

1

1

037

43T46454

VALVE, 2WAY, TEV-S1220DQ50

2

2

2

039

43T46412

VALVE, 2WAY, FDF3A06

3

3

3

040

43T46459

VALVE, 2WAY, FDF6A42

1

1

1

042

43T46455

COIL, VALVE, 2WAY, TEV-SMOAJ2170A1

2

2

2

044

43T46405

COIL, VALVE, 2WAY, FQ-G593

4

4

4

045

43T50357

SENSOR ASSY, LOW PRESSURE

1

1

1

046

43T50358

SENSOR ASSY, HIGH PRESSURE

1

1

1

047

43T63359

SWITCH, PRESSURE

2

2

2

048

43T5730

5

HEATER, CASE, 29W 240V

2

2

2

049

43T5730

8

HEATER, CASE, 55W 240V

1

1

1

050

43T48314

SEPARATOR

1

1

1

052

43T48313

ACCUMULATOR

1

1

1

053

43T43523

CONDENSER ASSY, TWO ROW, LEFT

1

1

1

054

43T43524

CONDENSER ASSY, TWO ROW, RIGHT

1

1

1

057

43T47388

STRAINER

4

4

4

059

43T47390

STRAINER

2

2

2

062

43T47394

STRAINER

1

1

1

066

43T49350

RUBBER, SUPPORTER, PIPE

2

2

2

067

43T49351

RUBBER, SUPPORTER, PIPE

3

3

3

069

43T49353

RUBBER, SUPPORTER, PIPE

1

1

1

070

43T49354

RUBBER, SUPPORTER, PIPE

2

2

2

071

43T49355

RUBBER, SUPPORTER, PIPE

2

2

2

072

43T49347

RUBBER, SUPPORTER, PIPE

2

2

2

075

43T49358

BAND, FIX

4

4

4

076

43T

19333

HOLDER, SENSOR

9

9

9

077

43T01310

MARK, TOSHIBA

1

1

1

078

43T63358

HOLDER, NFC

1

1

1

079

43T39351

NUT, FLANGE

1

1

1

080

43T39350

WASHER

1

1

1

081

43T47385

BOLT, COMPRESSOR

6

6

6

082

43T49357

RUBBER, CUSHION

6

6

6

083

43T47333

BONNET, 1/2 IN

1

1

1

088

43T47375

TUBE, CAPILLARY, ID 1.0

3

3

3

43T85724

 *1)

1

1

1

43T85725

 *2)

1

1

1

*1) For HT8(J)P-E model

*2) For HT8(J)P-TR model

Ref. No.

Description

090

OWNER'S MANUAL

Parts No.

Quantitiy / Set MMY-

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

2

2

1

1

1

1

1

1

2

2

1

1

3

3

1

1

1

1

1

1

1

1

1

1

1

1

2

2

3

3

1

1

2

2

4

4

1

1

1

1

2

2

2

2

1

1

1

1

1

1

1

1

1

1

4

4

2

2

1

1

2

2

3

3

1

1

2

2

2

2

2

2

4

4

9

9

1

1

1

1

1

1

1

1

6

6

6

6

1

1

3

3

1

1

1

1

- 228 -

Summary of Contents for MMY-SAP0806HT8JP-E

Page 1: ...TYPE SUPER MODULAR MULTI SYSTEM e Stand alone type Outdoor Unit Model name FILE NO SVM 18076 3 Heat Pump Model MMY SAP0806HT8 J P TR MMY SAP1006HT8 J P TR MMY SAP1206HT8 J P TR MMY SAP0806HT8 J P E MMY SAP1006HT8 J P E MMY SAP1206HT8 J P E ...

Page 2: ...Temperature Roughly Below 20 C 36 3 4 Normal Operation HEAT Mode 37 5 Control Outline 39 6 Applied Control and Functions 48 6 1 Applied Control for Indoor Unit 48 2 5 3 Inverter P C board for fan motor MCC 1659 FAN IPDU 30 2 5 4 Noise Filer PC board MCC 1608 A B 31 4 4 Normal Operation HOT GAS DEFROST Mode 38 6 2 Applied control for Outdoor Unit 63 6 2 1 Outdoor Fan High Static Pressure Shift 63 6...

Page 3: ... not operate in a test operation 98 7 6 Test Operation Check 100 7 6 1 Fan Check 100 7 6 2 Cooling Heating Test Operation Check 101 7 7 Service Support Function 104 7 7 1 Check Function for Connecting of Refrigerant and Control Lines 104 7 7 2 Function to Start Stop ON OFF Indoor Unit from Outdoor Unit 107 7 7 3 Check Code Clearing Function 113 7 7 4 Remote Controller Distinction Function 115 7 7 ...

Page 4: ...ION 197 10 REPLACING COMPRESSORS 199 10 1 Compressor Replacement Procedure Outline 199 10 2 Replacement of Compressors 200 10 3 Check Procedure to Search Cause of Compressor Oil Shortage 204 11 OUTDOOR UNIT PARTS REPLACEMENT METHODS 206 12 P C BOARD EXCHANGE PROCEDURES 217 12 1 Replacement of Outdoor P C Boards 217 12 1 1 List of service P C boards 217 12 1 2 Configuration of inverter assembly 217...

Page 5: ...008 2 A12 005 A10 1403 Slim Duct Type MMD AP2244SPH E AP274SPH E MMD AP 6M P HY C Made in China model MMD AP 4S P H C Made in Japan model A11 008 2 SVM 15032 Concealed Duct High Static Pressure Type MMD AP 6HP Made in Thailand model MMD AP 4H C Made in Japan model A11 008 2 High wall Compact Type MMK AP MH E Made in Thailand model SVM 05052 1 High wall Type MMK AP H Made in Thailand model SVM 0905...

Page 6: ...een trained and is thus thoroughly acquainted with the 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 t...

Page 7: ...ted 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 when...

Page 8: ...vicing WARNING WARNING Moving parts Do not operate unit with grille removed Stop the unit before the servicing Moving parts Do not operate unit with grille removed Stop the unit before the servicing CAUTION CAUTION 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...

Page 9: ...ign on the circuit breaker When cleaning the filter or other parts of the indoor unit set the circuit breaker to OFF without fail and place a Work in progress sign near the circuit breaker before proceeding with the work When you have noticed that some kind of trouble such as when a check code display has appeared there is a smell of burning abnormal sounds are heard the air conditioner fails to c...

Page 10: ...hen working at heights put a sign in place so that no one will approach the work location before proceeding with the work Parts and other objects may fall from above possibly injuring a person below When executing address setting test run or troubleshooting through the checking window on the electric parts box put on insulated gloves to provide protection from electric shock Otherwise you may rece...

Page 11: ...e mixed in the refrigerating cycle Failure to purge the air completely may cause the air conditioner to malfunction Do not charge refrigerant additionally If charging refrigerant additionally when refrigerant gas leaks the refrigerant composition in the refrigerating cycle changes resulted in change of air conditioner characteristics or refrigerant over the specified standard amount is charged and...

Page 12: ...ition that the valve closed causes an abnormal high pressure resulted in damage of the parts of the compressor and etc and moreover if there is leak of refrigerant at connecting section of pipes the air is sucked and causes further abnormal high pressure resulted in burst or injury Only a qualified installer 1 or qualified service person 1 is allowed to relocate the air conditioner It is dangerous...

Page 13: ... in the installation manual and the stipulations in the local regulations and laws Install the circuit breaker where it can be easily accessed by the qualified service person 1 If you install the unit in a small room take appropriate measures to prevent the refrigerant from exceeding the limit concentration even if it leaks Consult the dealer from whom you purchased the air conditioner when you im...

Page 14: ...resentative Nick Ball TCF holder Hereby declares that the machinery described below Generic Denomination Air Conditioner Model type Commercial name Super Modular Multi System Air Conditioner Complies with the provisions of the Machinery Directive Directive 2006 42 EC and the regulations transposing into national law Complies with the provisions of the following harmonized standard EN 378 2 2008 A2...

Page 15: ... Cooling Heating MMY SAP0806HT8 J P E MMY SAP0806HT8 J P TR MMY SAP1006HT8 J P E MMY SAP1006HT8 J P TR MMY SAP1206HT8 J P E MMY SAP1206HT8 J P TR Model Sound power level dBA Weight kg 80 82 227 74 74 227 74 74 227 15 ...

Page 16: ...he unit s weight into the rectangular holes for handling and tie the unit from 4 sides Apply padding in positions where the rope comes into contact with the outdoor unit so that no damage is caused to the outer surface of the outdoor unit There are reinforcing plates on the side surfaces so the rope cannot be passed through Front Back CORRECT INCORRECT INCORRECT Plaster board Rope Plaster board Re...

Page 17: ...Weight centre Unit mm Anchor bolt position Model type X Y Z MMY SAP0806HT8 J P MMY SAP1006HT8 J P MMY SAP1206HT8 J P 550 640 325 X Y 700 Anchor bolt position 755 Z 17 ...

Page 18: ... 0 06 or less 0 50 9 52 9 52 0 03 9 62 8 7 0 08 or less 0 60 12 70 12 70 0 03 12 81 9 8 0 10 or less 0 70 15 88 15 88 0 03 16 00 9 8 0 13 or less 0 80 19 05 19 05 0 03 19 19 11 10 0 15 or less 0 80 22 22 22 22 0 03 22 36 11 10 0 16 or less 0 82 28 58 28 58 0 04 28 75 13 12 0 20 or less 1 00 Screw size Tightening torque N m 0 3 o t 5 2 6 M l a n i m r e t y l p p u s r e w o P 6 6 o t 5 5 8 M w e r...

Page 19: ...arge amount at site 1 2 3 1 Compensation by system HP Table 1 2 Corrective amount of refrigerant depending on the indoor units Table 2 3 Real length of liquid pipe Additional refrigerant charge amount per liquid pipe 1 m Table 3 Table 1 System HP Charged refrigerant kg Compensation by System HP kg 8 5 7 0 0 10 5 7 0 4 12 5 7 0 8 Table 3 Pipe dia at liquid side mm ø6 4 ø9 5 ø12 7 ø15 9 Additional r...

Page 20: ...6BHP E Additional refrigerant charge amount at site kg 1 2 3 1 Compensation by system HP Table 1 0 4 kg 2 Corrective amount of refrigerant depending on the indoor units Table 2 a b c d 0 4 0 4 0 4 0 2 1 4kg a Corrective amount of refrigerant depending on the indoor unit A kg b Corrective amount of refrigerant depending on the indoor unit B kg c Corrective amount of refrigerant depending on the ind...

Page 21: ...cause 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 composition of the refriger...

Page 22: ...refrigerant Unusable Use the Refrigerant charging balance Gas leak detector Checking gas leak Exclusive to R410A Vacuum pump Vacuum drying Usable if a counter flow preventive adapter is attached R22 Existing article Vacuum drying Vacuum pump with counterflow Usable by adjusting size Flare processing of pipes Flare tool R22 Existing article Bending processing of pipes Bender Refrigerant recovery de...

Page 23: ...3 1 t t SV52 3 4 PMV4 5 CN303 Ｍ RED 1 2 3 4 6 A1 A2 MS 3 V U W BLK WHI RED L CM1 CN12 CN902 TL3 PNK 1 2 t CN851 WHI 1 2 3 4 U4 S U2 U3 U1 S CN851 RED WHI 2 3 4 5 2 3 4 5 CN852 2 3 4 5 CN01 F01 4 4 2 3 4 5 CN332 BLU YEL BLU 1 2 3 4 5 1 2 3 4 5 1 3 1 3 1 3 1 3 3 1 2 1 1 3 2 4 1 3 2 4 SV51 1 2 OFF ON SW800 OFF ON SW800 OFF ON 1 2 SW800 1 2 1 2 NFC module MCC 1667 POWER SUPPLY 50Hz 380 415V 3N Connect...

Page 24: ...il SV2 3D TEV AC220 240V 50Hz AC220 240V 50Hz 4 Pulse motor valve coil PMV1 PAM DC12V Pulse motor valve coil PMV4 UKV DC12V 5 High presure SW ACB 4UB154W OFF 4 15MPa ON 3 2MPa 6 Pressure sensor For high pressure NSK BH038F 460 0 5 4 5V 0 3 92MPa 7 Pressure sensor For low pressure NSK BH010F 460 0 5 3 5V 0 0 98MPa 8 Fan motor WDF 620A1000 DC530 620V 9 Case heater For compressor AC240V 29W 10 Case h...

Page 25: ...Comp motor drive IPM PSS25SA2FT 25A DC1200V P C board 10 P C board IPDU for fan MCC 1659 11 Fuse MCC 1659 HDL1 6 3A 6 3A DC750V P C board 12 Fan motor drive IPM MCC 1659 PSS10S72FT 10A DC1200V P C board 13 Magnet switch MG CTT 50 60Hz FC 1S AC220 240V 14 PTC thermistor MZ32 101RMARD01E 13A AC500V 15 Pipe temp sensor TD 30Ԩ 135Ԩ Ambient temp range 16 Pipe temp sensor TS 20Ԩ 80Ԩ Ambient temp range 1...

Page 26: ...V51 SV52 4way valve TL1 sensor Check joint High pressure High pressure sensor Check joint Liquid pipe High pressure SW 2 SV42 valve TD2 sensor High pressure SW 1 SV41 valve TD1 sensor Accumlator Compressor 1 Compressor 2 TS3 sensor TS1 sensor SV2 valve SV3D valve PMV 4 TL3 sensor TK1 sensor TK2 sensor 26 ...

Page 27: ...or A3 IPDU MCC 1669 Inverter P C board for Compressor A3 IPDU MCC 1669 Noise filter P C board MCC 1608 Power supply terminal block Relay connector for central control Communication terminal block Thermistor Magnet Contactor Inverter P C board for fan FAN IPDU MCC 1659 Interface P C board Outdoor control P C board MCC 1673 27 ...

Page 28: ...14 SW16 17 Jumper select SW30 For inter unit cable between indoor and outdoor units 1 SV42 SV41 1 SV51 SV52 1 SV2 1 SV3D 1 Comp case heater 1 1 Comp case heater 2 1 Accumulator heater 1 4 way valve output 1 Dyna doctor connecting terminal 1 PS sensor 1 PD sensor 1 SW01 02 03 7 segment LED SW04 05 15 High pressure SW 1 TS3 CN903 TL3 CN902 Sensor input NFC connecting terminal 1 TL1 CN523 TD2 CN503 T...

Page 29: ...ting terminal CN19 Reactor connecting terminal CN20 Compressor output W phase CN211 Compressor output V phase CN212 Compressor output U phase CN213 For inverter address setting SW800 UART communication CN852 UART communication CN851 Power supply input L3 CN13 Power supply output to FAN CN21 Power supply output to FAN CN23 29 ...

Page 30: ...ART communication between A3 IPDU CN851 Fan motor Output V phase CN302 Fan motor Output W phase CN301 Power supply Input from A3 IPDU CN01 UART communication between interfaces CN852 Power supply Input from A3 IPDU CN12 Power supply Input from N F CN101 For inverter address setting SW800 30 ...

Page 31: ...pply input L3 CN33 Power supply output L1 CN41 Power supply output L2 CN42 Power supply output L3 CN43 Power supply output to FAN CN23 Power supply output to I F CN22 Power supply output to FAN CN24 Power supply input L1 CN11 Power supply input L2 CN12 Power supply input L3 CN13 MCC 1608 A MCC 1608 B 31 ...

Page 32: ...de PMV1 4 way valve High pressure sensor Low pressure Oil separator Accumulator High pressure switch High pressure switch Compressor 1 Liquid side Service valve Gas side Service valve Sub cool heat exchanger SV SV52 Reducer Compressor 2 SV Solenoid valve Capillary tube Check valve Check joint Strainer Temperature sensor Symbol Distributor SV SV51 TK2 32 ...

Page 33: ...eater Compressor 1 Connector CN331 White Compressor 2 Connector CN332 Blue 1 Prevents liquid accumulation to compressor Accumulator case heater Connector CN334 Red 1 Prevents liquid accumulation to accumulator PMV1 Connector CN300 White PMV1 Pulse motor valve 1 Superheat control function in heating operation 2 Liquid line shut down function while follower unit stop 3 Subcool adjustment function in...

Page 34: ...overs refrigerant oil in heating operation Temp Sensor 1 TA Connector CN104 2P Yellow 1 Detects indoor suction temperature 2 TC1 Connector CN100 3P Brown 1 Controls PMV superheat in cooling operation 3 TC2 Connector CN101 2P Black 1 Controls PMV subcool in heating operation 4 TCJ Connector CN102 2P Red 1 Controls PMV superheat in cooling operation 2 MMU AP007YH to AP012YH only Controls PMV subcool...

Page 35: ...nit M TC2 TCJ TC1 Cooling PMV TC2 TCJ TC1 Cooling PMV TC2 TCJ TC1 Cooling PMV TC2 TCJ TC1 Cooling PMV TS1 Fan motor PMV1 TE1 TO TS3 SV2 SV3D TD1 TD2 TK2 TK1 PMV4 TL3 HPS Accumulator Pressure sensor low pressure Check Joint 4 Way valve Pressure sensor high pressure Oil separetor Check Joint Compressor 1 Sub cool heat exchanger HPS Compressor 2 Check joint Left side Main heat exchanger Right side Ma...

Page 36: ... PMV TC2 TCJ TC1 Cooling PMV TC2 TCJ TC1 Cooling PMV TC2 TCJ TC1 Cooling PMV TS1 Fan motor PMV1 TE1 TO TS3 SV2 SV3D TD1 TD2 TK2 TK1 PMV4 TL3 HPS Accumulator Pressure sensor low pressure Check Joint 4 Way valve Pressure sensor high pressure Oil separetor Check Joint Compressor 1 Sub cool heat exchanger HPS Compressor 2 Check joint Left side Main heat exchanger Right side Main heat exchanger TL1 SV ...

Page 37: ...ing PMV TC2 TCJ TC1 Heating PMV TC2 TCJ TC1 Heating PMV TS1 Fan motor PMV1 TE1 TO TS3 SV2 SV3D TD1 TD2 TK2 TK1 PMV4 TL3 HPS Accumulator Pressure sensor low pressure Check Joint 4 Way valve Pressure sensor high pressure Oil separetor Check Joint Compressor 1 Sub cool heat exchanger HPS Compressor 2 Check joint Left side Main heat exchanger Right side Main heat exchanger TL1 SV SV52 SV SV51 Outdoor ...

Page 38: ...1 Heating PMV TC2 TCJ TC1 Heating PMV TC2 TCJ TC1 Heating PMV TS1 Fan motor PMV1 TE1 TO TS3 SV2 SV3D TD1 TD2 TK2 TK1 PMV4 TL3 HPS Accumulator Pressure sensor low pressure Check Joint 4 Way valve Pressure sensor high pressure Oil separetor Check Joint Compressor 1 Sub cool heat exchanger HPS Compressor 2 Check joint Left side Main heat exchanger Right side Main heat exchanger TL1 SV SV52 SV SV51 Ou...

Page 39: ...when the air conditioner is in thermostat OFF state or upon being turned off normally or shut down due to an abnormality 2 PMV4 control 1 During cooling the pulse count of a PMV4 pulse motor valve 4 is controlled between 30pls and 500pls The PMV4 opening is controlled on the basis of measurements provided by the TL3 tenperature sensor and PD pressure sensor Subcool control or TS3 temperature senso...

Page 40: ...t operate on a rotational basis so that every time they come to a stop their order of startup changes Item Description of operation numerical data and other information Remarks 1 95 2 00 2 15 2 35 2 45 2 65 3 0 Highest mode Current mode 1 Mode raised as rapidly as every second Current mode 1 50 seconds Hold Current mode 1 75 seconds Mode raised up to 13 Mode 1 to highest Current mode 1 50 seconds ...

Page 41: ...ol function is performed whenever at least one compressor is in operation Item Description of operation numerical data and other information Remarks TD2 TK1 TD1 SV SV SV SV SV2 SV3D SV42 SV41 Oil separator Accumulator High pressure switch High pressure switch Compressor 1 Compressor 2 SV Solenoid valve Capillary tube Check valve Check joint Strainer Temperature sensor Symbol Distributor TK2 41 ...

Page 42: ...is in progress under low outside air temperature conditions 1 Control commencement conditions During cooling when the oil level judgment result continued to be low for 15 minutes 2 Control details All compressors currently in operation are operated at the minimum speed with those currently not in operation turned on Indoor units are set to the cooling oil refrigerant recovery control mode with the...

Page 43: ...y control is performed For control details see 6 Refrigerant oil recovery control During standby operation compressor speed is in the 24 33 5 rps range It varies from outdoor unit to outdoor unit Item Description of operation numerical data and other information Remarks 8 Hot gas defrosting control During heating operation the cumulative duration of operation in which the TE1 temperature sensor fa...

Page 44: ...frosting control 2 Control details Heating When PD pressure becomes 3 4 MPa SV2 is opened When PD pressure becomes 2 8 MPa SV2 is closed Cooling When PD pressure becomes 3 75 MPa SV2 is opened When PD pressure becomes 2 8 MPa SV2 is closed 3 Termination conditions Heating Shutdown thermostat OFF defrosting operation or cooling operation Cooling Shutdown thermostat OFF 3 SV2 low pressure release co...

Page 45: ...restart prevention timer 2 minutes 30 seconds is set and the control terminated When PD P01 compressor No 2 the last one of two compressors in terms of startup order in a two compressor configuration is shut down 11 Case heater control There are two types of case heaters a compressor case heater and an accumulator case heater This control function is aimed at preventing the accumulation of refrige...

Page 46: ... The TH temperature used in this control function is the highest registered by A3 IPDU1 A3 IPDU2 A3 IPDU1 and 2 are each provided with a TH sensor 3 Overcurrent protection control 1 When the overcurrent protection circuit on an IPDU P C board detects an abnormal current the compressor is shut down 2 The compressor is restarted 2 minutes and 30 seconds later with an failure count of 1 recorded If t...

Page 47: ... Motor Valve 1 When the power is turned on PMVs generate a tapping sound as they are initialized If this sound is not heard there is a possibility of troubled PMV operation However in a noisy environment it may simply be drowned out by ambient noise 2 Do not separate the actuator head section from any PMV during operation It may result in an inaccurate opening 3 When transporting relocating the se...

Page 48: ...ation selection command issued via the remote controller 3 Room temp control 1 Adjustment range remote controller temperature setting C 2 In heating operation the temperature setting may be fine tuned via the DN code 06 Factory default Shift in heating suction temperature not applicable to remote controller thermostat operation 4 Automatic capacity control 1 The outdoor unit determines the operati...

Page 49: ...g Figures inside applies to remote controller thermostat operation Figures outside applies to body thermostat operation Speed modes shown in apply to heating operation under AUTO air conditioner operation mode DN code 32 0000 Body thermostat 0001 Remote controller thermostat In AUTO fan speed mode the fan speed remains the same for 1 minute each time a speed change occurs However a speed change co...

Page 50: ...ze 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 2 Passage of 20 minutes after stoppage TC1 Indoor heat exchanger sensor temperature Reset conditions 1 TC1 12 C TC2 12 C and TCJ 12 C 2 Passage of 20 minutes after stoppage With models without TC2 TC2 is not part of the control parameters NO Item Speci...

Page 51: ... and capacity of the indoor unit 10 Defrosting control 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 thermostat ON OFF state Let the indoor fan continue operating for a while but turn it off as the temper...

Page 52: ...OOL DRY mode under priority cooling setting bit 1 of SW11 on outdoor I F P C board ON 3 All indoor units not able to engage in any of the above operations stand by in thermostat OFF state 4 The indoor fan has been turned off because the system is engaged in a heat oil recovery operation OPERATION STANDBY displayed No display provided on wireless remote controller Heating standby Displayed on remot...

Page 53: ...dually or collectively 3 Set louver positions 18 DC motor 1 When the fan is turned on the positions of the stator and rotor are determined The motor turns in incremental steps 2 The fan operates in accordance with commands issued by the indoor controller Note If the fan is rotating while the air conditioner is turned off due to an inflow of outside air or some other reason the indoor unit may oper...

Page 54: ...O mode ON while air conditioner in heating operation HEAT or heating under AUTO mode ON while indoor fan ON air cleaner in use or via interlock wiring Specifications Remarks Generates test code L30 and automatically shuts down air conditioner only if condition persists for 1 minute Factory default setting to be humidifier evaporative drain pump OFF Used for control of optional trouble input displa...

Page 55: ...hort 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 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 To ...

Page 56: ... one of the indoor unit Nos under group control is displayed in turn Then the fan and louver of the selected indoor unit move 3 Use the 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 button The display changes from flashing to steady To change the selected indoor unit go back to step 2 To...

Page 57: ...y According to type 0002 1 way Air Discharge Cassette type Under Ceiling type 0003 2 way Air Discharge Cassette type 0004 4 way Air Discharge Cassette type 1E Temp difference of AUTO mode selection COOL o HEAT HEAT o COOL 0000 0 deg to 0010 10 deg 0003 3 deg Ts 1 5 For setup temperature reversal of COOL HEAT by Data value 2 28 Automatic restart of power failure 0000 None 0001 Restart 0000 None 2A ...

Page 58: ...tatic pressure 3 60 Timer setting wired remote controller 0000 Available can be performed 0001 Unavailable cannot be performed 0000 Available DN Item Description At shipment Value Type AP015 AP018 AP024 0000 Standard factory default 3 5 m or less 3 8 m or less 0001 High ceiling 1 4 0 m or less 4 0 m or less 0003 High ceiling 3 4 2 m or less 4 2 m or less Value Type AP007 AP030 AP036 AP056 0000 Sta...

Page 59: ...nder Ceiling MMC AP H 0008 High Wall MMK AP H 0010 Floor Standing Cabinet MML AP H 0011 Floor Standing Concealed MML AP BH 0013 Floor Standing MMF AP H Compact 4 way Air Discharge Cassette MMU AP MH 0015 Super Slim Duct MMD AP M P HY Setup data Model Setup data Model 0000 Invalid 0014 MMU AP0054MH 0015 036 type MMD AP0054SPH 0016 MMU AP0056MH 0017 048 type MMD AP0056SPH 0018 056 type 0001 007 type...

Page 60: ...it in normal operation Output present while alarm e g serial communication trouble or operation of protective device for indoor outdoor unit being activated Wiring diagram of control system using remote control interface TCB IFCB4E2 Input Output IFCB4E2 No voltage ON OFF serial signal No voltage contact in operation and trouble indication Contact capacity Max AC 240V 0 5A 1 2 3 4 5 6 1 2 3 4 CN61 ...

Page 61: ... 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 SET DATA At shipment The setup data are as follows 5 Push button OK if display goes on To change the selected indoor unit go to the procedure 2 To change the item to be set up go to the procedure 3 6 Pushing returns the status to the usual stop stat...

Page 62: ...r Status that card is taken out from the card switch box When the card switch box does not perform the above contact operation convert it using a relay with b contact 2 Operation Handle the wired remote controller switch in the following procedure Use the wired remote controller switch during stop of the system 1 Push concurrently buttons for 4 seconds or more 2 Using the setup temp or button spec...

Page 63: ...tch SW10 Bit 2 provided on the interface P C board of the outdoor unit This function must be enabled with every discharge duct connected outdoor unit for both of the header and follower units Specifications Increase the speed of the propeller fan units on the outdoor fan to allow the installation of a duct with a maximum external static pressure not greater than specified in the table below If a d...

Page 64: ...it is necessary to set up the specific indoor unit chosen for priority operation a single unit only 1 Outdoor unit setup method SW11 Operation Bit 1 Bit 2 OFF OFF Priority heating factory default ON OFF Priority cooling OFF ON Priority operation based on No of units in operation priority given to the operation mode with the largest share of units in operation ON ON Priority indoor unit priority gi...

Page 65: ... button to select the CODE No 04 4 Use the button to select the SET DATA 0001 Priority set 0001 No priority set 0000 5 Push the button The setup is finished when the display changes from flashing to steady 6 Upon finishing the setup push the button This finalizes the setting When the button is pushed the display goes blank and the system returns to normal off state Note that the system does not re...

Page 66: ...eak cut Control For one input function CN513 blue SW07 1 J16 2 Power peak cut Control Enhanced Functions CN513 blue SW07 1 2 3 Snowfall Fan Control CN509 black 4 External master ON OFF Control CN512 blue 5 Night operation sound reduction Control CN508 red 6 Operation Mode Selection Control CN510 white Operation Mode Selection Control forced choice CN510 white J01 7 Failure Operation output CN511 g...

Page 67: ...as been removed Power peak cut control P C board SW1 SW2 L1 Interface P C board of outdoor unit N O 1 t i B 7 0 W S F F O 1 t i B 7 0 W S Power peak cut control ON signal received ON OFF ON 0 forced stop 60 capacity upper limit regulated Power peak cut control OFF signal received OFF ON OFF 100 normal operation 100 normal operation PJ17 CN513 SW07 TB1 ON OFF TB2 COM ON COM OFF Bit 2 OFF L1 SW1 SW2...

Page 68: ...i d n I 1 t i B 7 0 W S 1 L N O 1 t i B F F O 1 t i B Cut OFF 100 normal operation 100 normal operation OFF ON 0 forced stop Approx 60 upper limit regulated ON Electrical Rating 220 to 240 VAC 10 mA or more 1 A or less 24 VAC 10 mA or more 1 A or less non conductive load Indication lamp External power peak cut control signals Peak capacity I F SW07 Bit 1 N O F F O 2 W S 1 W S 1 L OFF OFF OFF 100 n...

Page 69: ...te together Terminal Input signal Operation COOL SW1 Turns on all indoor units HEAT SW2 Turns off all indoor units SW1 Snowfall detection switch snowfall sensor 7 1 J P 9 0 5 N C TB1 SW1 COM HEAT COOL Locally procured Optional PCB Snowfall sensor Outdoor unit Connection cable Interface PCB Shield wire ON OFF ON OFF SW1 Operation input switch SW2 Stop input switch 7 1 J P 2 1 5 N C TB1 SW1 SW2 COM ...

Page 70: ...ide to this capacity reduction Position of noise measuring device 1 m from the front face of the set and 1 5 m above ground in anechoic chambers Terminal Input signal Operation COOL SW1 Night time control Normal operation Relative to maximum capacity SW1 Night time signal switch 7 1 J P 8 0 5 N C TB1 SW1 COM HEAT COOL Locally procured Optional PCB Outdoor unit Interface PCB Connection cable Shield...

Page 71: ...W1 SW2 COM HEAT COOL Locally procured Optional PCB Outdoor unit Shield wire Connection cable Interface PCB Jumper lead Details of Processing J01 connected factory default Unallowed indoor units in a mode other than the selected operation mode are not treated as priority thermostat OFF state Unallowed indoor units J01 cut Indoor units in a mode other than the selected operation mode are forcibly sw...

Page 72: ... a surge killer CR for an AC power supply or a diode for preventing back electromotive force for a DC power supply on the bypass circuit Electrical Rating 220 240 VAC 10 mA or more 1A or less 24 VAC 10 mA or more 1 A or less non conductive load OUTPUT1 CN511 PJ20 OUTPUT2 OUTPUT3 TB1 L1 L2 1 2 5 6 4 3 C1 PS PS K1 K2 1 2 3 4 ON OFF SW16 Optional PCB Locally procured See NOTE Outdoor unit Interface P...

Page 73: ...y or a diode for preventing back electromotive force for a DC power supply on the bypass circuit Electrical Rating 220 240 VAC 10 mA or more 1A or less 24 VAC 10 mA or more 1 A or less non conductive load 1 2 OUTPUT1 OUTPUT2 Model featuring two compressors Locally procured Outdoor unit Optional PCB See NOTE TB1 C2 L1 PS 1 CTR1 K1 OUTPUT1 2 L2 PS SW16 3 CTR2 CN514 PJ20 K2 OUTPUT2 4 1 2 3 4 5 6 Inte...

Page 74: ...ply on the bypass circuit Function SW16 OUTPUT1 OUTPUT2 OUTPUT3 Operation factor FA System operation rate output Bit 1 ON Bit 2 OFF off off off FA 0 on off off 0 FA 20 off on off 20 FA 35 on on off 35 FA 50 off off on 50 FA 65 on off on 65 FA 80 off on on 80 FA 95 on on on 95 FA Electrical Rating 220 240 VAC 10 mA or more 1A or less 24 VAC 10 mA or more 1 A or less non conductive load OUTPUT1 CN51...

Page 75: ...t the main power supply is turned on Check basic items mainly the installation work Be sure to enter the check results in checklist 1 and 2 This main power supply check shall be done before operation switch turns ON Set up the addresses Start the address setup in the outdoor indoor units Note Operation does not start simply by powering on Test operation END Carry out a test operation Check air blo...

Page 76: ...he outdoor unit indoor unit remote controller or optional devices k c e h C s m e t i k c e h c n i a M 1 Are the indoor and outdoor communication lines of the outdoor unit connected to the U1 U2 terminals 2 Is the relay connector between the U1 U2 terminal and the U3 U4 terminal disconnect Set up at shipment from the factory 3 Is the terminator resistor SW30 bit 2 on the interface PC board of the...

Page 77: ...ication lines 4 Is the terminator resistor SW30 bit 2 on the interface PC board of the outdoor unit turned on Set up at shipment from the factory After address setup and test operation check turn on the SW30 bit 2 of the outdoor unit for the smallest line address and turn off SW30 bit 2 of the outdoor unit for other refrigerant lines See 7 4 3 Address Setup Procedure 5 Is the end terminal of the s...

Page 78: ...it earthed to earth M Is the insulating resistance sufficient 10 M or higher or higher V 0 1 V 5 1 4 0 8 3 n i h t i w t n e i c i f f u s e g a t l o v r e w o p n i a m e h t s I Is the diameter of connecting pipe correct Is the branch kit correct Is the water drain of the indoor unit arranged so that it flows without accumulation Is the heat insulation of pipes sufficient connecting pipes branc...

Page 79: ...4 015 017 018 020 024 027 030 036 048 056 072 096 Capacity code Equivalent to HP 0 8 0 9 1 1 1 1 3 1 4 1 7 1 8 2 2 3 2 5 3 3 2 4 5 6 8 10 Corrective amount of refrigerant kg 0 2 0 4 0 6 1 0 Lastly add the corrective amount of refrigerant by combined horsepower A and the corrective amount of refrigerant by indoor unit horsepower B to the additional amount of refrigerant by pipe length C 7KLV LV WKH...

Page 80: ...mote controller Check that a frame as shown in the following figure at left is displayed on the LC display section of the remote controller If no frame is displayed as shown in the above figure at right the remote controller does not have a normal supply of power check the following items s Check the power supply of the indoor unit s Check the cabling between the indoor unit and the remote control...

Page 81: ... the interface PC board of the outdoor unit in the system where the address is to be set up 4 Address setup start Confirm the items in 7 4 3 Address Setup Procedure and then set up the address according to the operation procedure Be careful to note that the setup operation may differ in group control and central control systems Note The address cannot be set up if switches are not operated 5 Displ...

Page 82: ...er unit overlap is indicated as running starts Change the group address to make one unit the header unit using wired remote controller 1 e r u d e c o r p g n i t t e s s s e r d d A o t o g l o r t n o c l a r t n e c o N Central control of 2 or more refrigerant lines go to Address setting procedure 2 Example When controlling a single refrigerant line centrally When controlling 2 or more refriger...

Page 83: ...ch on switch off Example Controlling 2 or more refrigerant lines as a group System wiring diagram Outdoor Indoor Indoor Indoor Indoor Outdoor Remote controller Group control SW06 SW07 SW09 SW10 SW11 SW12 SW13 SW14 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 SW13 SW14 1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 O O O O O O O O O O O O O O O O O O O O O O O O O 2 3 4 1 2 3 4 SW13 SW14 1 1...

Page 84: ... s p o t s g n i h s a l f e h t n e h W complete 7 Repeat steps 4 to 6 for other refrigerant lines 8 After completing address setting of all systems turn off DIP switch 2 of SW30 on the interface P C boards of all the outdoor units connected to the same central control except the unit that has the smallest address For unifying the termination of the wiring for the central control of indoor and ou...

Page 85: ...ol devices Outdoor unit interface P C board SW15 SW04 1 2 SW13 SW30 SW14 SW01 SW02 SW03 D600 D601 D602 D603 D604 SW05 7 segment display SW30 Outdoor units are connected to the same central control except the Outdoor unit with the smallest line address number 8 1 2 SW30 SW30 Outdoor unit with the least number of the line address 4 6 5 85 ...

Page 86: ...2 Remote controller A B U1 U2 U3 U4 U1 U2 Relay connector A B U1 U2 Remote controller Outdoor unit Outdoor unit Outdoor unit Central remote controller Individual Group Outdoor unit s interface P C board SW13 14 Line system address DIP switch 2 of SW30 Terminator of indoor outdoor communication line and central control line Relay connector Outdoor unit 1 ON Connect after setting addresses 2 Set to ...

Page 87: ...r group control SET TIME TIMER SET TEST FILTER RESET TEMP CL FAN SAVE SWING FIX VENT MODE ON OFF UNIT LOUVER DN code CODE No Set data 5 8 11 14 6 9 12 15 16 4 7 10 13 3 1 Arrange one indoor unit and one remote controller set to 1 by 1 2 Turn on the power 3 Push the buttons simultaneously for 4 seconds or more LCD begins blinking Refrigerant line address 4 Using the buttons set the DN code to 12 5 ...

Page 88: ...rigerant line After that set up the central control address For central control address setup refer to the installation manual of the central control devices Confirming the indoor unit addresses and the position of an indoor unit using the remote controller Confirming the numbers and positions of indoor units To see the indoor unit address of an indoor unit having location data When the unit is in...

Page 89: ... of the indicated indoor unit are activated 3 Push the button to finish the procedure All the indoor units in the group stop To check all the indoor unit addresses using an arbitrary wired remote controller When communication wirings of 2 or more refrigerant lines are interconnected for central control Execute it while the units are stopped You can check indoor unit addresses and positions of the ...

Page 90: ...e button to finish the procedure Changing the indoor unit address using a remote controller To change an indoor unit address using a wired remote controller The method to change the address of an individual indoor unit the indoor unit is paired with a wired remote controller one to one or an indoor unit in a group The method is available when the addresses have already been set automatically Execu...

Page 91: ...ommunication wirings of 2 or more refrigerant lines are interconnected for central control NOTE You can change the addresses of indoor units in each refrigerant line using an arbitrary wired remote controller Enter the address check change mode and change the addresses If no number appears on UNIT No no outdoor unit exists on the line Push button and select another line following step 2 Execute it...

Page 92: ...es so as to make each of them unique 7 Push the button All the segments on the LCD display light up 8 Push the button to finish the procedure Resetting the address Resetting to the factory default address undecided Method 1 Clearing each address separately using a wired remote controller Set the system address indoor unit address and group address to 0099 using a wired remote controller For the se...

Page 93: ...unit may still connected with other refrigerant lines Check the connection of the relay connectors between U1 U2 and U3 U4 NOTE Take care to carry out the procedure above correctly otherwise addresses in other refrigerate lines may also be cleared 5 Set the addresses again after finishing the clearance s e s s e r d d a e l b a r a e l C 4 0 W S 3 0 W S 2 0 W S 1 0 W S 2 1 2 Confirm that the 7 seg...

Page 94: ...n U1 U2 and U3 U4 2 Turn on SW30 bit 2 on the interface PC board at in the outdoor unit Turn off the power and then execute the operation 3 Turn on the indoor outdoor power for the refrigerant line for which an address is to be set up After approximately 1 minute check that U 1 is displayed on the 7 segment display 4 Execute the following operation on the interface PC board of the outdoor unit AUT...

Page 95: ...address setup Terminator resistor 2 Is the terminator resistor SW30 bit 2 of the outdoor unit with the smallest line address number in the central control turned on 3 Is the terminator resistor SW30 bit 2 of the outdoor unit except for the line with the smallest central control line address turned off Line address 4 Are addresses in the line address SW13 SW14 not duplicated in each refrigerant lin...

Page 96: ...p is changed after powering on Check SW30 bit 2 of the outdoor unit No connection between multiple refrigerant lines SW30 bit 2 is on Connection between multiple refrigerant lines SW30 bit 2 of the connected outdoor unit is turned on only for one line Transmission circuit trouble at the interface side PC board failure Replace the interface PC board E06 After address setup communication from all th...

Page 97: ...e controller Set up the address The power of the header unit of the group is not turned on in indoor group control the unit that does not respond to the indoor remote controller Turn on the power Group address is set to the follower unit for individual control the unit that does not respond to the indoor remote controller Set the group address to 0 in the case of individual control No display on t...

Page 98: ... group operation from an indoor remote controller The indoor remote controller is not connected with wire Miswiring of the indoor remote controller Using the main indoor remote controller connected to a group start a test operation specify the unit that is not operating the unit not connected to the group and then check the wiring Indoor remote controller communication circuit trouble If 220 240 V...

Page 99: ... E19 00 Fig 2 No response E20 01 e l p m a x e g n i r i w s i M s u t a t S e r u g i F Fig 3 The number of connected indoor units is too few U3 U4 U1 U2 U1 U2 Outdoor unit U1 U2 U1U2 U1 U2 Line 1 U1 U2 Outdoor unit Outdoor unit Line 2 Wiring forgotten U1 U2 U1 U2 A B U1 U2 U1 U2 U1 U2 Outdoor unit Outdoor unit 99 ...

Page 100: ...s air discharged from the discharge port of the indoor unit Is the sound normal When a check code has been displayed on the remote controller remove the cause of the trouble referring to Check code and check position displayed on remote controller and outdoor unit Check the indoor fan fan motor and fan circuit Check positions around the fan Check code appears Check code appears 100 ...

Page 101: ... or more Pi sound is heard and the operation changes to 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 after forced cooling operation 1 5 3 2 4 Operatio...

Page 102: ...ler Ceiling type Test run Forced cooling operation Requirement Finish the forced cooling operation in a short time because it applies excessive strength to the air conditioner How to perform forced cooling operation 1 When TEMPORARY button is pushed for 10 seconds or more Pi sound is heard and the operation changes to a forced cooling operation After approx 3 minutes a cooling operation starts for...

Page 103: ...operation using Start Stop Function of the Indoor Unit from Outdoor Unit in the Service Support Function section Check power voltage of the main power supply Check the cable size of the power supply Check the temperature load of the indoor outdoor units Check the pipe length and refrigerant amount Check the operating Hz of the compressor Check the operation of the outdoor fan Check for abnormal so...

Page 104: ...terface P C board of the outdoor unit to 1 2 3 Then the system capacity is displayed on 7 segment display A Check that this display surely matches with the expected system capacity Check No of indoor units No of units with cooling thermostat ON Set the rotary switches SW01 SW02 SW03 on the interface P C board of the outdoor unit to 1 4 3 Then No of indoor units connected to the system is displayed...

Page 105: ...d pipe length and room shape combinations or indoor unit connection capacity For pressure criteria in different temperature conditions refer to 2 This compressor is driven with a 4 pole motor The value of the compressor rotation speed rps measured with a clamp meter at the compressor lead line is two times the rotation speed rps of the compressor Each compressor may have a different frequency as a...

Page 106: ...ing detected is displayed on 7 segment display B If there are multiple indoor address in which check code is being detected they are successively exchanged and displayed When SW05 is turned on again the display returns to display of No of units After check return the rotary switches SW01 SW02 SW03 on the interface P C board of the outdoor unit to 1 1 1 No of misconnected indoor units This check op...

Page 107: ... 2 7 1 and press SW05 for 2 seconds or more Release Return SW01 SW02 SW03 to 1 Section A C H Section B 00 00 is displayed on Section B for 5 seconds 5 Individual start Starts the specified indoor unit Notes The contents follow to the setup of remote controller The other indoor units keep the status as they are Setup Set SW01 to 16 set SW02 and SW03 to address No 1 to 27 to be started and press SW0...

Page 108: ...ndoor side before power ON of outdoor unit Set SW01 SW02 SW03 on the interface P C board of the outdoor unit to 2 5 1 C is displayed on 7 segment display A Test run is displayed on the remote controller of the indoor unit to be operated Check that C is displayed on 7 segment display B on the interface P C board of the outdoor unit Press SW04 on the same board for 2 seconds or more Return SW01 SW02...

Page 109: ... 2 seconds or more Test run is displayed on the remote controller of the indoor unit to be operated Check that H is displayed on 7 segment display B on the interface P C board of the outdoor unit Set SW01 SW02 SW03 on the interface P C board of the outdoor unit to 2 6 1 H is displayed on 7 segment display A Be sure to turn on power at the indoor side before power ON of outdoor unit Return SW01 SW0...

Page 110: ...s or more on the P C board Test run is displayed on the remote controller of the indoor unit to be operated Check that 7 segment display B on the interface P C board of the outdoor unit changed to C Match SW01 SW02 SW03 on the interface P C board of the outdoor unit to 2 5 1 7 segment display A changes to F Be sure to turn on power of the indoor unit and then turn on power supplies at outdoor unit...

Page 111: ...ration ready or operation mode controlled is displayed on the remote controller If the discharge temperature does not change though COOL or HEAT has been set up from the remote controller misconnection is considered Press SW04 on the same board for 2 seconds or more The indoor unit to be started operates Press the push switch SW05 on the interface P C board of the outdoor unit for 2 seconds or mor...

Page 112: ...d continuously for 10 seconds or more the operation changes to the individual test operation Match the rotary switches on the interface P C board of the outdoor unit to the following table If a check code is already displayed with SW01 SW02 SW03 being 1 1 1 return the status to normal one according to troubleshooting and then execute a test operation The unit which is not given with priority by he...

Page 113: ...buttons simultaneously for 4 seconds or more 2 Using buttons set CODE No to FF 3 The display in Section A in the following figure is counted with interval of 5 seconds as 0005 0004 0003 0002 0001 0000 When the count arrives 0000 the check code is cleared However counting from 0005 is repeated on the display 4 When button is pushed the status returns to the normal status Check code clearing in indo...

Page 114: ...heck code detection is performed again Method 1 Be sure to reset power of both the outdoor and the indoor units 2 Turn on the power of the indoor unit prior to the power of the outdoor unit If the power is turned on in reverse order a check code E19 No of troubled outdoor unit is output NOTE After power reset it requires usually 3 minutes to power on due to the initial communication of the system ...

Page 115: ...n on the power of the indoor unit prior to the power of the outdoor unit Set the display select switches on the interface P C board of the outdoor unit as follows Set SW01 SW02 SW03 to 2 4 1 Press the push switch SW04 on the same board for 2 seconds or more Checking display of the connected remote controller flashes Press the push switch SW05 on the interface P C board of the outdoor unit for 2 se...

Page 116: ...opening automatically returns to the normal opening 7 7 6 Pulse Motor Valve PMV Forced Open Fully Close fully Function in Outdoor Unit This function is provided to forcedly open or close fully P M V PMV1 PMV4 used in the outdoor unit for 2 minutes PMV1 Open fully On the interface board of the outdoor unit set the DIP switch SW12 bit1 to OFF SW12 bit2 to OFF and short circuit CN30 PMV1 Close fully ...

Page 117: ...f each solenoid valve is as shown below NOTE 1 Display in 7 segment display B is exchanged just when the number of SW02 has been changed on the other hand the solenoid valve output is exchanged when SW02 has been kept with the same number for 5 seconds or more NOTE 2 The mark O in the table indicates that the corresponding solenoid valve is forcedly turned on NOTE 3 The mark in the table indicates...

Page 118: ... 13 51 51 14 50 50 15 49 49 16 48 48 1 5 47 47 2 46 46 3 45 45 4 44 44 5 43 43 6 42 42 7 41 41 8 40 40 9 39 39 10 38 38 11 37 37 12 36 36 13 35 35 14 34 34 15 33 33 16 32 32 SW02 SW03 7 segment display B Fan mode 1 6 31 31 2 30 30 3 29 29 4 28 28 5 27 27 6 26 26 7 25 25 8 24 24 9 23 23 10 22 22 11 21 21 12 20 20 13 19 19 14 18 18 15 17 17 16 16 16 1 7 15 15 2 14 14 3 13 13 4 12 12 5 11 11 6 10 10 ...

Page 119: ... second or more The mode changes to the TO sensor value fix manual mode 3 As shown in the following table TO sensor value can be fixed by setting the rotary switch SW02 on the interface P C board Clear Return SW01 SW02 SW03 on the interface P C board in the outdoor unit to 1 1 1 NOTE If operated with TO sensor fixed by this function the system control operation of the air conditioner may not be ba...

Page 120: ...n u f n o i t a r e p o t s e t g n i l o o C C 5 n o i t c n u f n o i t a r e p o t s e t g n i t a e H H 6 n o i t c n u f F F O N O p o t s t r a t s e v i t c e l l o c r o o d n I H C 7 n o i t c n u f n w o d p m u P n o i t c n u f n o i t a r e p o y r e v o c e r t n a r e g i r f e r r o o d t u O d r 1 1 Check code clear function r E 6 1 2 1 16 3 H r Solenoid valve forced open close fu...

Page 121: ...et SW01 to 03 as shown in the following table to confirm whether the leaks are being detected It also can be confirmed by remote control monitor function Refer to 7 7 11 Monitor function of remote controller switch 2 Clearing the initial value If the system is changed e g indoor units are increased replaced outdoor units are moved or refrigerant is refilled increased it is necessary to clear the i...

Page 122: ...neously for 4 seconds or more to call up the service monitor mode The service monitor goes on and temperature of the CODE No 00 is firstly displayed 2 Push the temperature setup buttons to select the CODE No to be monitored For displayed codes refer to the table next page 3 Push button to determine the item to be monitored Then monitor the sensor temperature or operation status of indoor unit and ...

Page 123: ...heat exchanger TSA 1 1 0024 24 FA Outside air temperature TOA 1 1 F3 Filter sign time 1 h 2500 2500h 03D 03D 䉝 䉝 䉝 䉝 䉝 䉝 䉝 䉝 SOV SOV USV USV PRGH 䉝 䉝 䉝 3 8QLW HDWLQJ FRROLQJ UHFRYHU FRQWUROOHG 1RUPDO 5HFRYHU FRQWUROOHG HDWLQJ UHFRYHU FRQWUROOHG RROLQJ UHFRYHU FRQWUROOHG 3UHVVXUH UHOHDVH 1RUPDO 5HOHDVH FRQWUROOHG 3UHVVXUH UHOHDVH FRQWUROOHG 2 1R DWD QDPH LVSOD IRUPDW 5HPRWH FRQWUROOHU GLVSOD H DPSO...

Page 124: ...er input to the outdoor unit You should decide whether to make use of the functions of the auto address setup and test operation at its own responsibility and also be sure to confirm notices in the Operating Manual before performing the test operation If you want to disable the functions of the auto address setup and the test operation perform the following operations Switch setting of some functi...

Page 125: ...problem refer to the Operation Manual of SMMS WAVE TOOL FOR SMARTPHONE Trademark Android is a trademark or registered trademark of Google Inc QR code is a trademark or registered trademark of DENSO WAVE Inc Push switch 7 segment display SW01 SW02 SW03 SW04 A B nF c Er Abnormal nF c 00 Normal 2 1 1 1 U 1 Return the switch Step Rotaly switch NFC I F board communication 1 2 16 14 Push switch 7 segmen...

Page 126: ...hermostats OFF Could it just be the air conditioner operating in fan mode or put on the timer Could it just be the system going through initial communication 2 An indoor fan would not start Could it just be cold air discharge prevention control which is part of heating 3 An outdoor fan would not start or would change speed for no reason Could it just be cooling operation under low outside temperat...

Page 127: ...le Heat exchanger temperature sensor TCJ has been open short circuited T L A 2 0 F Indoor heat exchanger temperature sensor TC2 trouble Heat exchanger temperature sensor TC2 has been open short circuited T L A 3 0 F Indoor heat exchanger temperature sensor TC1 trouble Heat exchanger temperature sensor TC1 has been open short circuited T L A 0 1 F Room air temperature sensor TA TSA trouble Room air...

Page 128: ...ntrol alarm and shutdown for header unit and continued operation for follower unit Check code Display of receiving unit Typical problem site Description of check code TCC LINK central control Outdoor 7 segment display Indicator light block Sub code Flash C05 No indication when main remote controller also in use Troubled central control communication transmission Central control device is unable to...

Page 129: ...ne found during automatic address setting Indoor unit from other refrigerant line is detected while indoor automatic address setting is in progress 1 3 E E31 There is no communication between IPDUs P C boards in inverter box T L A 4 0 F 4 0 F Outdoor discharge temperature sensor TD1 trouble Outdoor discharge temperature sensor TD1 has been open short circuited F05 F05 ALT Outdoor discharge tempera...

Page 130: ... short circuited H15 H15 Outdoor discharge temperature sensor TD2 wiring trouble Wiring installation trouble or detachment of outdoor discharge temperature sensor TD2 has been detected H16 01 TK1 oil circuit trouble 02 TK2 oil circuit trouble H16 Oil level detection circuit trouble No temperature change is detected by temperature sensor for oil level detection TK1 TK2 despite compressor having bee...

Page 131: ...n shutdown in one refrigerant line due to detection of overflow detected by indoor unit T L A 3 1 P 3 1 P Outdoor liquid backflow detection trouble State of refrigerant cycle circuit indicates liquid backflow operation P15 01 TS condition 02 TD condition n o i t c e t e d k a e l s a G T L A 5 1 P Outdoor suction temperature sensor TS1 detects sustained and repeated high temperatures that exceed s...

Page 132: ...ssor 1 02 Compressor 2 H03 Current detection circuit trouble Abnormal current is detected while inverter compressor is turned off P04 01 Compressor 1 02 Compressor 2 T L A 4 0 P Activation of high pressure SW High pressure SW is activated P07 01 Compressor 1 02 Compressor 2 T L A 7 0 P Heat sink overheating trouble Temperature sensor built into IPM TH detects overheating or has been short circuite...

Page 133: ...by pressing the buttons simultaneously and holding for at least 4 seconds The letters SERVICE CHECK light up and the check code 01 is displayed indicating the check code history This is accompanied by the indoor unit No to which the check code history is related and a check code 2 To check other check code history items press the button to select another check code Check code 01 latest Check code ...

Page 134: ... be accessed regardless of whether the air conditioner is in operation or shut down 1 Push the 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 a check code history the UNIT No and the latest check code history information are displayed alternately During this procedure ...

Page 135: ...tdoor communication E15 Indoor unit not found during automatic address setting E16 Too many indoor units connected overloading E19 Trouble in number of outdoor unit E20 Detection of refrigerant piping communication trouble during automatic address setting E31 IPDU communication trouble sub MCU communication trouble P01 Indoor AC fan trouble P10 Indoor overflow trouble P12 Indoor DC fan trouble P13...

Page 136: ...outdoor discharge temperature sensor TD1 H06 Protective shutdown of outdoor unit H07 Abnormal drop in low pressure sensor PS reading Abnormal drop in oil level H08 Trouble in temperature sensor for oil level detection circuit TK1 or TK2 H15 Wiring installation trouble or detachment of outdoor discharge temperature sensor TD2 H16 Oil level detection circuit trouble Trouble in outdoor unit TK1 or TK...

Page 137: ... run in progress Setting incompatibility automatic cooling heating setting for model incapable of it and heating setting for cooling only model Cause of check code e d o c k c e h C k c o l b t h g i L Operation Synchronized blinking Timer Ready Operation Timer Synchronized blinking Ready Alternate blinking Operation Timer Ready 137 ...

Page 138: ... controller including wireless or network adaptor Check remote controller and network adaptor wiring E04 Indoor unit Indoor outdoor communication circuit trouble 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 Chec...

Page 139: ...ting again after disconnecting communication cable to that refrigerant line 01 Indoor outdoor communication 02 Outdoor outdoor communication E04 E06 E06 Indoor outdoor communication circuit trouble E04 Display on main remote controller Indoor units unavailable for indoor outdoor communication E04 Indoor units available for indoor outdoor communication E06 All stop Condition 1 One indoor unit or mo...

Page 140: ... C board E16 E16 00 Overloading 01 No of units connected I F Too many indoor units connected All stop Combined capacity of indoor units is too large Note If this code comes up after backup setting for outdoor unit failure is performed perform No overloading detected setting More than 27 indoor units are connected Check capacities of indoor units connected Check combined HP capacities of indoor uni...

Page 141: ... P C boards of indoor units E19 E19 00 No outdoor unit I F Trouble in number of outdoor unit All stop There is no outdoor unit in one line Check connection of indoor outdoor communication line Check for trouble in outdoor P C board I F E20 E20 01 Connection of outdoor unit from other line 02 Connection of indoor unit from other line I F Connection to other line found during automatic address setti...

Page 142: ...wiring Check resistance characteristics of TC1 sensor Check for trouble in indoor P C board F04 F04 I F TD1 sensor trouble All stop Sensor resistance is infinity or zero open short circuit Check connection of TD1 sensor connector Check resistance characteristics of TD1 sensor Check for trouble in outdoor P C board I F F05 F05 I F TD2 sensor trouble All stop Sensor resistance is infinity or zero op...

Page 143: ...ce A3 IPDU P C board F15 F15 I F Outdoor temperature sensor wiring trouble TE1 TL1 All stop During compressor operation in HEAT mode TL1 continuously provides temperature reading higher than indicated by TL1 by at least specified margin for 3 minutes or more Check installation of TE1 and TL1 sensors Check resistance characteristics of TE1 and TL1 sensors Check for outdoor P C board I F trouble F16...

Page 144: ...for open phase Check connection of connectors terminals on A3 IPDU P C board Check conductivity of case heater Check for refrigerant problem inside compressor Check for trouble in outdoor P C board A3 IPDU Check outdoor MG CTT H03 H03 01 Compressor 1 side 02 Compressor 2 side IPDU Current detection circuit trouble All stop Current flow of at least specified magnitude is detected despite inverter c...

Page 145: ...ll stop Operating compressor detects continuous state of low oil level for about 2 hours All outdoor units in corresponding line to be checked Check connection and installation of TK1 and TK2 sensors Check resistance characteristics of TK1 and TK2 sensors Check for gas or oil leak in same line Compressor casing Check SV3D valve for trouble Check oil return circuit of oil separator for clogging Che...

Page 146: ... unit There is at least one stand alone indoor unit to which group control cable is connected Check indoor addresses L08 L08 Indoor unit Indoor group addresses not set Stop of corresponding unit Address setting has not been performed for indoor units Check indoor addresses Note This code is displayed when power is turned on for the first time after installation L09 Indoor unit Indoor capacity not ...

Page 147: ... for trouble in external device 2 Check for trouble in indoor P C board L31 I F Extended IC trouble Continued operation There is part failure in P C board I F Check outdoor P C board I F P01 Indoor unit Indoor fan motor trouble Stop of corresponding unit Check the lock of fan motor AC fan Check wiring P03 P03 I F Discharge temperature TD1 trouble All stop Discharge temperature TD1 exceeds 115 C Ch...

Page 148: ...ll stop Open phase is detected when power is turned on Inverter DC voltage is too high overvoltage or too low undervoltage 01 Compressor 1 side 02 Compressor 2 side Inverter DC voltage Vdc trouble compressor MG CTT trouble P07 P07 01 Compressor 1 side 02 Compressor 2 side IPDU I F Heat sink overheating trouble All stop Temperature sensor built into IPM TH is overheated Check power supply voltage C...

Page 149: ... cooling operation 60 C In heating operation 40 C Check for insufficiency in refrigerant quantity Check outdoor service valves gas side liquid side to confirm full opening Check PMV1 for clogging Check resistance characteristics of TS1 sensor Check for trouble in 4 way valve Check SV4 circuit for leakage 02 TD condition I F Gas leak detection TD condition All stop Protective shutdown due to sustai...

Page 150: ...eration PD sensor detects pressure equal to or greater than 3 85 MPa During heating operation PD sensor detects pressure equal to or greater than 3 6 MPa Check for defect in PD pressure sensor Check service valves gas side liquid side to confirm full opening Check for trouble in outdoor fan Check for trouble in outdoor fan motor Check outdoor PMV PMV1 4 for clogging Check indoor outdoor heat excha...

Page 151: ...onnection of fan motor connector Check for trouble in fan IPDU P C board Check power voltage of the main power supply Check for defect in fan IPDU Check connection of fan IPDU P C board Sub code 10 Fan IPDU over current protection circuit Flow of current equal to or greater than the specified value is detected during startup of the fan Sub code 11 Fan IPDU position detection circuit Position detec...

Page 152: ...for trouble in central control communication line Check terminator resistor setting Check power supply for devices at other end of central control communication line Check trouble in P C boards of devices at other end of central control communication line 2 1 C General purpose device I F Batch alarm for general purpose device control interface Continued operation Trouble signal is input to control...

Page 153: ... If there is any loose connector tighten it with a pair of pliers etc before connecting the lead How to Check Resistance of Compressor Winding 1 Turn off the power supply 2 Remove compressor leads from the compressors 3 With each compressor check the phase to phase winding resistances and winding to outdoor cabinet resistance using a multimeter Earth trouble It is normal if the winding to outdoor ...

Page 154: ...tween the remote controller and indoor units is connected properly Is there no disconnection or connector contact trouble on harness out of terminal block of indoor unit Is a group control operation Is power of each indoor unit turned on Is power applied to remote controller AB terminals Approx DC18V Is setup of two remote controllers without header remote controller Correct inter unit cable of re...

Page 155: ...r inter unit wire normal Is connector connection from U1 U2 terminals of indoor outdoor inter unit wire normal Is the terminator resistor setup of outdoor unit normal Is power applied to fuse F03 on indoor P C board Is address setup correct Is there no noise etc Is connection of CN40 connector on indoor P C board normal Is connection of CN01 connector on outdoor I F P C board normal Is power of in...

Page 156: ...outdoor unit correct Is inter unit wire U1 U2 between indoor and outdoor short circuited Is connection of inter unit wire between indoor and outdoor correct Is there no trouble on power wire to outdoor unit Is there noise source Is F400 fuse on I F P C board opened Correct setup of terminator resistor Correct wire connection Correct communication line Set up indoor address again Correct communicat...

Page 157: ... no noise source Set up address again after resetting power supply Is there any trouble on power line Are U1 U2 U3 and U4 connectors connected Set up one controller as the header and the other follower Remote controller address connector Correct communication line Correct connection of connector Correct connection of connector Correct power wire Set up address again after resetting power supply El...

Page 158: ...owers of all indoor units turned on Check indoor address Is No of connected indoor units correct Is setup of indoor units HP correct Is total capacity of connected indoor units correct For a service P C board check outdoor HP setup Set up jumper 9 10 11 and 12 Indoor over capacity has been detected during the backup operation Perform setup of no detection for capacity over 1 Correct remote control...

Page 159: ...e Two A3 IPDUs NO 1 and 2 and one Fan IPDU exist in all models Sub code No Reset power supply and reactivate Yes I F board trouble Replace Was power supply correctly reset Power supply OFF for 60 seconds or more Sub code 80 Communication trouble between MCU and MCU Circle O Troubled IPDU 1 2 1 01 02 03 08 09 0A 0B A3 IPDU Fan IPDU E19 E20 Sub code 01 Connection of an outdoor unit in another line 0...

Page 160: ...sor Check indoor P C board Failure Replace Check indoor main P C board Failure Replace Check indoor P C board Failure Replace See Indoor unit temperature sensor characteristics on 8 10 Sensor Characteristics See Indoor unit temperature sensor characteristics on 8 10 Sensor Characteristics See Indoor unit temperature sensor characteristics on 8 10 Sensor Characteristics This check code means detect...

Page 161: ...anger temp sensor TL1 sensor Temp sensor between sub cool heat exchanger and outdoor PMV1 See Outdoor unit temperature sensor characteristics on 8 10 Sensor Characteristics This check code means detection of Open Short of TL1 TL3 sensor Check disconnection of circuit for connection of connector TL1 sensor CN523WHI TL3 sensor CN902 PNK and characteristics of sensor resistance value See Outdoor unit...

Page 162: ...ue normal Correct connection of connector Replace T OA sensor Check indoor P C board Failure Replace See Indoor unit temperature sensor characteristics on 8 10 Sensor Characteristics Yes Yes No No F18 Check code Check code name Indoor TRA sensor trouble Cause TRA sensor Open Short sensor connector on indoor P C board normally connected Is TRA Are characteristics of TRA sensor resistance value norm...

Page 163: ...repeated SET DATA is displayed on remote controller SET DATA disappears LED D02 1Hz flashes for approx 10 seconds on indoor unit P C board Reboot Reset Outdoor EEPROM trouble 1 Outdoor unit power trouble Voltage noise etc 2 Outdoor I F P C board trouble Is there any trouble of outdoor unit power supply Check power voltage and line Correct power line Check external noise etc Check I F P C board F24...

Page 164: ...e of current 2 Check connection wiring Check operation of MG CTT Check the short circuit of MG CTT Yes No Yes No 380 415V 10 Yes No Yes No Yes H01 V U W Cause Check code Check code name Is power voltage of outdoor unit normal Does voltage drop occur when other compressor starts Is winding resistance between phases of corresponding compressor normal Note 1 Is not it an abnormal overload Is connecti...

Page 165: ...sor normal Correct miswiring misinstallation TD1 CN502 white TD2 CN503 pink No Yes Is TD1 sensor installed correctly Correct installation of sensor Check I F P C board Sensor trouble Replace the sensor Yes No H03 Cause Check code Check code name Current detective circuit system trouble 1 Wiring or connector connection trouble on A3 IPDU P C board 2 A3 IPDU P C board trouble Sub code 01 Compressor ...

Page 166: ...d to indoor fan motor normal 1 Connector connection 2 Condenser 3 Motor 4 Fan Open service valves fully Exchange low pressure sensor Correct SV2 and SV4 circuits Correct wiring Repair failure parts Check indoor P C board Failure Replace Yes Refrigerant shortage or clogging or pipe deformed Repair failure parts Repair failure parts Refrigerant shortage clogging pipe deformed Replace PMV body Check ...

Page 167: ...t does not change clogging of valve capillary or strainer is considered 2 in the figure Replace the clogged part 3 D Clogging check for oil equalization circuit Drive the outdoor unit Drive all compressors in the unit After driving for 10 minutes or more check whether temperature of TK1 TK2 sensors and temperature of oil equalization circuit capillary 3 in the figure has increased Criterion TK1 TK...

Page 168: ...l detection circuit trouble TK1 temperature detective circuit trouble Sub code 01 1 Coming off of TK1 sensor miswiring characteristics trouble of resistance value 2 Oil equalization circuit trouble Capillary clogging strainer clogging 3 Refrigerant stagnation in the compressor shell No Yes Yes No trouble No Trouble No Yes Is not TK1 sensor detached Is there no miswiring or misinstallation on TD1 T...

Page 169: ...installation of sensor Sensor trouble Replace clogging part Check I F P C board Correct miswiring misinstallation TD1 CN502 white TD2 CN503 pink TK1 CN531 black TK2 CN532 green Start a test operation in COOL or HEAT mode Display TK2 sensor temperature on 7 segment display with SW01 02 03 1 13 2 Check TK2 sensor temp approx 10 minutes after compressor 2 has operated If low temperature continues app...

Page 170: ...s checking on the remote controllers finished 2 If the group configuration and address are normal when power has been turned on the mode automatically shifts to address setup mode For setting up addresses again refer to Address setup Check code name Duplicated indoor header units Cause There are two or more indoor header units in a group during group control Check code name Duplicated setup of out...

Page 171: ... group address unset Cause Indoor unit s capacity is unset Check code name Indoor capacity unset On the outdoor IF P C board for service the model selecting jumper has not been set up so as to match with the model Check code name Outdoor capacity unset Are powers of all the indoor units turned on Are capacity setups of indoor units unset Turn on the power of indoor units Turn on the power of outdo...

Page 172: ...trouble 2 Check fan moto L29 Yes No Yes Yes No No Yes No Yes No Cause Check code Is jumper setup of outdoor I F P C board correct Check jumpers 9 10 11 and 12 Is communication connector between IPDU and I F P C board connected Is there no disconnection of communication line between IPDU and I F P C board Is there voltage fluctuation between 4 and 5 pins of CN600 on I F P C board Measurement by tes...

Page 173: ...e service valve of gas and liquid sides fully opened Open service valve fully Repair outdoor PMV Replace TD1 sensor Check 4 way valve Correct installation of valve coil Replace SV41 valve Correct wiring Refrigerant shortage clogging pipe breakage 1 Service valve of outdoor unit closed 2 Outdoor PMV troubler 3 TD sensor trouble 4 Refrigerant shortage clogging of refrigerant piping 5 4 way valve tro...

Page 174: ... circuit normal Does heating indoor fan normally operate Are connector connection condenser fan motor and fan normal Is connector connection and coil normal Is there clogging on any valve Are characteristics of TC2 and TCJ sensor resistance value normal Is indoor PMV normal Is SV5 circuit normal Check it using the miswiring check function of the outdoor unit Are any indoor units of different refri...

Page 175: ...to 50Ω 2 way Cassette type AP007 to AP015 Approx 70 to 100Ω AP018 to AP030 Approx 30 to 70Ω AP036 to AP056 Approx 20 to 50Ω 1 way Cassette type Approx 30 to 70Ω Ceiling type AP015 to AP027 Approx 30 to 70Ω AP036 to AP056 Approx 20 to 50Ω High wall and concealed duct types Approx 15 to 35Ω Is not earthed between cabinet and 1 3 5 Should be 10MΩ or more No 2 Check resistance value of fan motor posit...

Page 176: ...s No Connectors PMV1 CN300 PMV4 CN303 Is outdoor PMV normal 1 Connector connection Wiring 2 Coil 3 4 Valve body 5 Outdoor I F P C board Yes Yes No No No Yes No Yes Yes Yes P13 Check code Check code name Outdoor liquid back detection trouble Cause 1 PMV1 PMV4 trouble 2 PD sensor PS sensor trouble 3 Clogging of SV2 circuit 4 Leakage at a check valve on a main discharge pipe 5 Outdoor I F P C board t...

Page 177: ...s installed correctly Is SV42 circuit sealed 2 correctly no leakage Yes Yes No No No Yes No No Yes P15 Cause Check code Check code name Gas leak detection TD condition Sub code 02 1 Outdoor unit service valve closed 2 Outdoor PMV trouble 3 TD sensor trouble 4 SV4 circuit trouble 5 Refrigerant shortage clogging refrigerant circuit Are service valves of gas and liquid sides fully opened Open service...

Page 178: ...nging of outdoor unit 1 Heat exchanger clogging 2 Air short circuit Connectors PMV1 CN300 PMV4 CN303 Yes Is outdoor PMV normal 1 Connector connection 2 Wiring 3 Coil 4 Valve body 5 Outdoor I F P C board Yes No Yes No Yes No No No Yes No Yes P19 Sub code Detected outdoor unit No Cause Check code Check code name 4 way valve reverse trouble 1 4 way valve trouble 2 TS1 sensor TE1 sensor trouble 3 PD s...

Page 179: ... fan IPDU Yes Yes No No No No Yes No Yes Yes No Yes Yes Yes No No Yes No C Yes No Heating operation Does heating indoor fan normally operate Is indoor PMV normal Is check valve of main discharge pipe normal Is there clogging in any valves Is SV5 circuit normal Are any indoor units in different refrigerant circuit connected Are characteristics of sensor TC2 and TCJ resistance normal Is connector co...

Page 180: ...trouble Replace Compressor trouble Replace Check A3 IPDU P C board Failure Replace When the header unit of the group detected check code E03 L03 L07 or L08 the follower unit of the group displays P31 check code and stops There are no check code display and alarm record of the main remote controller Yes No Yes No Yes No Yes No P26 Cause Check code Check code name IPM short circuit protection troubl...

Page 181: ... perform checks in the following steps 1 Open the panel of the outdoor unit and inspection window of the electric parts box and check the 7 segment display The check code is displayed in the right hand section of the 7 segment display B U1 OOO OOO Check code To check the check code set the rotary switches SW01 SW02 SW03 to 1 1 1 If there is a sub code the display alternates between the check code ...

Page 182: ... recovery operation A Oil recovery in cooling C1 Normal C B Refrigerant recovery in heating H1 Normal H 11 Automatic addressing A Ad B During automatic addressing FF Normal 12 Power peak cut A dU B Normal During 50 90 capacity operation _50 _90 While control is based on BUS line input E50 E90 13 B A s u t a t s l o r t n o c l a n o i t p o s y a l p s i D t u p n i d r a o b C P l o r t n o c l a...

Page 183: ...rent decimal value 7 segment display A B i1 i2 Pressing of SW05 restores normal display 6 Outdoor fan mode A FP B Mode 0 to 63 0 to 63 7 Compressor backup A C b B Displays compressor backup setting status Normal Compressor No 1 backup 1 Compressor No 2 backup 1 8 A B 9 Displays control output status of solenoid valve A B 1 H 4 way valve ON 0 H 4 way valve OFF 10 0 0 1 2 SV2 ON SV51 OFF SV52 OFF 0 ...

Page 184: ...bol t d 2 Data TS1 sensor data alternately for 1 second and display for 3 seconds respectively Letter symbol t S 1 Data is displayed in Data TS3 sensor data Data with negative value is displayed as Letter symbol t S 3 Data TE1 sensor data Letter symbol t E 1 Data TL1 sensor data Letter symbol t L 1 Data TL3 sensor data Letter symbol t L 3 Data TO sensor data Letter symbol t o Data SW01 SW02 SW03 T...

Page 185: ... HEAT H FAN F OFF S represents S code 0 to F SW01 SW02 SW03 Display detail 4 Display of Indoor Unit Information Note Indoor address No is selected by setting SW02 and SW03 and displayed on 7 segment display section A 5 Display of Outdoor EEPROM Writing Check Code The latest check code written in the EEPROM of outdoor unit is displayed This function is used to check the check code after the resetti...

Page 186: ...When checking is completed revert the SW01 SW02 SW03 setting to 1 1 1 2 Oil Level Judgment Results Display example Displayed digit Judgmen n o i t p i r c s e D t l u s e r t O Normal The amount of oil in the compressor is sufficient 1 2 Low level The amount of oil in the compressor is insufficient Both 1 and 2 stand for insufficiency If this result persists the system will turn itself off in a pr...

Page 187: ...4 Operation switching when indoor water overflow trouble detected OFF Entire system stops ON System operation continues Room which trouble occurred only stops OFF SW16 DIP SW 4 bit bit 1 Option function Output exchange of external output P C board According to the following setting contents bit 1 bit 2 OFF OFF Compressor operation output ON OFF bit 2 OFF Display of system operation ratio CN30 Chec...

Page 188: ...MAKE signal or 4 core wire Successive MAKE or Pulse signal 2 core wire Successive MAKE signal O Approx 75 Normal The mode is changed a mode which selected the operation mode of the indoor unit at not selected side Approx 60 J04 O Upper limit setup of demand capacity command in corresponding indoor during saving operation in indoor 4 When you replace the board with a service board be sure to cut th...

Page 189: ...be used in the Function setup switching table 1 3 4 2 SW16 ON 1 2 SW30 ON 1 3 4 2 SW17 ON 1 3 4 2 SW11 ON 1 3 4 2 SW12 ON 1 3 4 2 SW13 ON 1 3 4 2 SW14 ON 1 3 4 2 SW06 ON 1 3 4 2 SW07 ON 1 3 4 2 SW09 CN30 CN31 CN32 Interface P C board ON 1 3 4 2 SW10 ON 189 ...

Page 190: ... High pressure SW system trouble P04 XX Abnormal rise of pressure Oil equalization circuit Capillary Strainer D Corresponding unit Oil level detection circuit trouble Oil level low detection and protection H16 XX H07 Oil circuit trouble or oil level low SV3D valve SV3D valve circuit capillary Strainer E Corresponding unit Oil level low detection and protection H07 Oil level low Part Unit generatin...

Page 191: ...e High pressure sensor Low pressure sensor Oil separator Accumulator High pressure switch High pressure switch Compressor 1 Inverter Liquid side Service valve Gas side Service valve Sub cool heat exchanger SV SV52 Reducer Compressor 2 Inverter SV SV51 TK2 SV Solenoid valve Capillary tube Check valve Check joint Strainer Temperature sensor Symbol Distributor 191 A E B C D ...

Page 192: ... 90 95 100 105 110 115 120 162 2 125 8 98 3 77 5 61 5 49 1 39 5 32 0 26 1 21 4 17 6 14 6 12 1 10 2 8 5 7 2 6 1 5 2 4 5 3 8 3 3 2 9 2 5 2 2 1 9 Outdoor TD1 TD2 TK1 and TK2 sensors Resistance kΩ 10 C or below Resistance kΩ 10 C or above Resistance kΩ 50 C or below Resistance kΩ 50 C or above 10 15 25 5 20 0 10 20 30 40 50 60 70 10 0 Temperature C 80 90 100 20 30 100 150 50 33 8kΩ 49 1kΩ 10 0kΩ 3 3kΩ...

Page 193: ...e 3 GND Black GND Black 4 5V Red 5V Red Low pressure side PS High pressure side PD 0 5 4 5V 0 3 92MPa 0 5 3 5V 0 0 98MPa 1 5 7 4 1 8 9 0 0 0 5 3 5 5 Low pressure side output voltage V a P M e r u s s e r P 4 15 3 92 Pressure MPa 4 5 4 73 0 5 0 High pressure side output voltage V 0 5 10 15 20 25 30 35 40 45 50 55 60 33 8 26 1 20 4 16 0 12 6 10 0 8 0 6 4 5 2 4 2 3 5 2 8 2 3 Temperature C Indoor TA T...

Page 194: ... 38 8 26 1 20 4 16 0 12 6 10 0 8 0 6 4 5 2 4 2 3 5 2 8 2 3 1 9 1 6 1 4 1 2 Temperature C 10 15 5 20 0 30 20 10 0 10 20 30 40 50 60 70 80 90 100 100 150 50 200 0 10 15 5 20 0 30 20 10 0 10 20 30 40 50 60 70 80 90 100 100 150 50 200 0 Resistance kΩ 10 C or beiow Resistance kΩ 10 C or above Resistance kΩ 10 C or beiow Resistance kΩ 10 C or above Temperature C Temperature C Indoor TC1 sensor Indoor TC...

Page 195: ...34 2 36 2 38 2 40 2 42 2 44 2 46 2 48 2 50 2 52 2 54 2 56 2 58 2 60 2 62 2 64 2 66 2 68 2 70 2 72 2 73 2 75 2 77 2 79 2 81 2 83 2 85 2 87 2 89 2 91 2 93 2 95 2 97 1 46 1 48 1 50 1 52 1 54 1 56 1 58 1 60 1 62 1 64 1 66 1 67 1 69 1 71 1 73 1 75 1 77 1 79 1 81 1 83 1 85 1 87 1 89 1 90 1 92 1 94 1 96 1 98 2 00 2 02 2 04 2 06 2 08 2 10 2 12 2 13 2 15 2 17 2 19 2 21 2 23 2 25 2 27 2 29 2 31 2 33 2 35 2 ...

Page 196: ...89 2 91 2 93 2 95 2 97 0 49 0 49 0 50 0 51 0 51 0 52 0 53 0 53 0 54 0 55 0 55 0 56 0 56 0 57 0 58 0 58 0 59 0 60 0 60 0 61 0 62 0 62 0 63 0 64 0 64 0 65 0 65 0 66 0 67 0 67 0 68 0 69 0 69 0 70 0 71 0 71 0 72 0 72 0 73 0 74 0 74 0 75 0 76 0 76 0 77 0 78 0 78 0 79 0 79 0 80 0 81 5 0 5 0 5 1 5 2 5 2 5 3 5 4 5 4 5 5 5 6 5 6 5 7 5 8 5 8 5 9 6 0 6 0 6 1 6 1 6 2 6 3 6 3 6 4 6 5 6 5 6 6 6 7 6 7 6 8 6 9 6 ...

Page 197: ...tion Outline If a trouble occurs to one of the compressors installed in outdoor unit follow the procedure described below to back up the trouble compressor by using the remaining normal compressor Work Procedure 1 Turn off the power supply to all the outdoor units connected to the system 2 Set the DIP switches of SW06 provided on the interface P C board of the outdoor unit with the trouble compres...

Page 198: ...iring 2 When compressor No 2 front right is trouble Change the connection of wiring between Comp IPDU1 and Comp IPDU2 as shown in the below Change the connection of wiring which is connected to the CN21 23 of Comp IPDU2 Change to CN21 of Comp IPDU1 from CN21 of Comp IPDU2 Change to CN23 of Comp IPDU1 from CN23 of Comp IPDU2 L1 L2 L3 N CN530 CN23 CN21 CN23 CN21 198 ...

Page 199: ...wing judgment criteria 1 New compressors are charged with 1900cc of oil per unit 2 The amount of oil held by an outdoor unit is as shown below 3 When a compressor is dismantled it usually contains 800 1400cc oil The amount of oil held by an oil separator is usually 0 1000cc Model SAP Amount of oil cc 3800 0806 1006 1206 0 5VSO PGG UIF QPXFS TXJUDI PG UIF GBJMFE PVUEPPS VOJU 5HPRYH UIF GBVMUZ DPNQS...

Page 200: ... troubled compressor contained A cc by following the steps below 1 Amount of oil in troubled compressor A cc 0 A 1000 1 Adjust the amount of oil in the new compressor to 1000cc Lay the new compressor down and draw 900 cc of oil via the oil equalization pipe Notes Do not draw more than 900 cc of oil as it may cause damage to the compressor If the troubled compressor contained 500cc or less there ma...

Page 201: ...compressor down and draw 1900 A cc of oil via the oil equalization pipe 3 Amount of oil in troubled compressor A cc 1900 A 1 Adjust the amount of oil in the new compressor to A cc Insert a hose into the discharge pipe or oil equalization pipe of the new compressor and inject A 1900 cc of oil using a funnel etc Compressor 201 ...

Page 202: ...oubled and normal compressors A B cc 0 A B 2000 1 Adjust the amount of oil in the two new compressors to 1000cc each total 2000cc Lay the compressors down and draw 900 cc of oil from each of them via their oil equalization pipes Notes Do not draw more than 900 cc of oil from a compressor as it may cause damage If the troubled compressor contained 500cc or less there may have been a problem with th...

Page 203: ...it cannot be vacuum pumped Connect a vacuum pump consecutively to the check joints placed in the liquid and discharge pipes and on the high pressure side of the suction pipe and turn it on Operate the vacuum drying until the vacuum gauge indicates 100 7kPa 755mmHg Method to fully open PMV manually 1 Turn on the power switch of the outdoor unit 2 With the Bits 1 and 2 of SW12 set to off short circu...

Page 204: ...that has replaced compressor Are the characteristics of the TK1 or TK2 sensors of the unit that has replaced compressor correct To next page No No Correct the miswiring or connection TK1 CN531 TK2 CN532 Yes Yes With the compressor s disconnected check the oil circuit in accordance with the procedure described below Replace the troubled sensor 204 ...

Page 205: ... applied to the check joint of discharge pipe with nitrogen if gas escapes from the discharge pipe section of the disconnected compressor there is a leak from the check valve of discharge pipe C Replace the part Clogging of SV3D valve Clogging of oil return capillary Clogging of oil return distributor D 4 With pressure applied to the check joint of discharge pipe with nitrogen manually open the SV...

Page 206: ...Front and rear M5 10 7 pcs for front and 6 pcs for rear 4 Remove the screws for the service panel M5 10 2 pcs 5 Remove the screws for the suction cabinets Front and rear M5 10 4 pcs each 6 Remove the screws for the side cabinets Left and right M5 10 6 pcs each 2 Attachment Carry out installation by following the detachment procedure in reverse 6 1 Be careful of the hooks provided on the suction ca...

Page 207: ...pcs 7 Remove the screws for the front lower cabinet M5 10 7 pcs 8 Remove the screws for the front suction cabinet M5 10 4 pcs 9 Remove the inverter cover M4 8 2 pcs s k r a m e R e r u d e c o r p k r o W d e c a l p e r e b o t t r a P o N 10 Disconnect the Faston connectors for the fan motor leads 3 pieces from the Fan IPDU and pull the leads up and out 11 Remove the fan motor M6 20 4 pcs 2 Scre...

Page 208: ...o put the square washer in place Otherwise unusual noises and vibrations may result 3 Tighten the flange nut at a torque of 15N m 153kgf cm To tighten the flange nut turn it counterclockwise 4 Remove the clamp filter from the fan motor with trouble then attach the clamp filter to the substitution in the same way as before replacement Turn through the fan motor lead once around the clamp filter s k...

Page 209: ...ping connected 2 locations 7 Remove the screws for the heat exchanger end plate and pull the heat exchanger out M5 10 4 pcs Remove the cabinets See the cabinets detachment method No 1 Remove the heat exchanger partition plate upper M5 x 10 3 pcs Remove the motor base M5 10 6 pcs 2 3 2 Heat exchanger partition plate upper 3 Motor base Heat exchanger left Heat exchanger right 5 Waterproof board 4 Su...

Page 210: ...er operation and turn off the circuit breaker 2 Remove the inverter cover M4 10 2 pcs 3 Remove the wiring e g the power supply wire compressor leads fan motor leads coils sensors and heaters 4 Remove the screws securing the box M5 10 1 pc each for top and bottom 5 Disengage the hook by gently pressing down the locking lever The lower part of the box moves forward 6 Hold the top board with both han...

Page 211: ...e R e r u d e c o r p k r o W d e c a l p e r e b o t t r a P o N 1 Detachment 1 Stop the operation and turn off the circuit breaker 2 Remove the inverter assembly See the inverter assembly dismantling method under item 4 3 Remove the reactor box located at the back of the inverter assembly M4 6 4 pcs The screws can be removed from the front 3 Screws 4 locations 4 Screws 1 location 211 ...

Page 212: ...y valve coils Pressure sensors locations No Part to be replaced Work procedure Remarks SV3D SV2 Inverter assembly Compressor 1 Compressor 2 Oilseparator PD sensor PS sensor SV51 SV52 SV41 SV42 Accumlator 212 ...

Page 213: ...rature sensors locations and identification colors Product front view Product rear view TD1 sensor yellow TD2 sensor red TE1 sensor blue TO sensor black TL1 sensor yellow TK1 sensor black TK2 sensor blue TL3 sensor red TS3 sensor black TS1 sensor gray 213 ...

Page 214: ... type Work procedure No Part to be replaced SV41 valve Suction pipe φ8 0 φ19 05 SV42 valve Suction pipe φ8 0 φ19 05 SV2 valve Discharge pipe φ6 35 φ15 88 PMV4 Sub cool heat exchanger φ9 52 φ15 88 SV3D valve Discharge pipe φ6 35 φ15 88 214 ...

Page 215: ...an be placed the other way around but only at the expense of work efficiency 3 Place the stainless steel band tightly around the pipe fixing rubber so that there is no gap between them Take utmost care not to create a gap over the curved section of the rubber where the hairpin side of the band is located 4 While holding the rubber press down the base of the hook lightly against the rubber and enga...

Page 216: ...ough them just below the brazed points using a saw etc 6 Remove brazed point 1 location for pipe located below of the 4 way valve 7 Remove the end sections of the pipes above the 4 way valve which were cut in procedure 5 3 Reinstall all the coils removed in detachment procedure 3 and put the wiring back to its initial state 4 Reinstall the inverter assembly See the inverter assembly installation m...

Page 217: ...FANIPDU 43T6V623 Noise filter P C board MCC 1608 A B ASM PCB N F MMY SAP0806HT8 J P MMY SAP1006HT8 J P MMY SAP1206HT8 J P CN211 CN213 CN212 L1 L2 L3 N CN530 P25 CN213 CN212 CN211 Inverter P C board for Compressor A3 IPDU MCC 1669 Inverter P C board for Compressor A3 IPDU MCC 1669 Noise filter P P C board MCC 1608 Power supply terminal block Relay connector for central control Communication termina...

Page 218: ...ment will not operate Model name J06 J07 J09 J10 J11 J12 J22 J24 Service P C Board Yes Yes Yes Yes Yes Yes Yes Yes MMY SAP0806HT8 J P E Cut Cut Cut Cut Cut MMY SAP1006HT8 J P E Cut Cut Cut Cut MMY SAP1206HT8 J P E Cut Cut Cut Cut MMY SAP0806HT8 J P TR Cut Cut Cut Cut Cut Cut MMY SAP1006HT8 J P TR Cut Cut Cut Cut Cut MMY SAP1206HT8 J P TR Cut Cut Cut Cut Cut Model size 990W 5 Set the DIP switch set...

Page 219: ...ors by pulling the connector body Do not pull the wire 3 Remove all the four screws which secures the Compressor IPDU to the Heat sink These screws are to be re used after procedure 4 Remove the Compressor IPDU from the four spacers by pinching the top of the spacers by round nose pliers Screw RED lead wire Reactor lead wire Compressor IPDU 43T6V628 WHITE lead wire BLACK lead wire Reactor lead wir...

Page 220: ...that it is passed through the T611 transformer and then connected When connecting the black lead wire which is connected to CN13 be absolutely sure that it is passed through the T612 transformer and then connected If it is not passed through the transformer it will not be possible for the input current level to be measured correctly and a compressor failure may result 9 If the components on the PC...

Page 221: ... connector body Do not pull the wire 3 Remove all the two screws which secures the FAN IPDU to the Heat sink These screws are to be re used after procedure 4 Remove the Fan IPDU from the four PCB Mounts 5 Confirm that no dirt or damage is on the sub heat sink As it can reduce the heat transfer efficiency and cause a breakdown PCB Mounts Screw Faston terminal WHITE lead wire Remove the PCB IC302 Pu...

Page 222: ...2 screws IC302 is 0 55Nm 8 Re connect the connectors and Faston and screw terminals Be sure that all the connectors and the Faston terminals are connected correctly and securely inserted 9 If the components on the PCB were bent during this procedure straighten them so they do not to touch other parts 10 Install the cover then turn on the supply Check the operation Ex MMY SAP1206HT8P E Uniformly ap...

Page 223: ... P C board The line filter and its leads both connected to the screw on terminals of the noise filter P C board A will be removed in step 6 Disconnect all the connectors and Faston terminals Ex MMY SAP1206HT8P E Noise Filter P C board MCC 1608 Noise Filter P C board 43T6V623 PCB Mount Screw Screw on terminal Noise Filter P C board A MCC 1608A Noise Filter P C board B MCC 1608B Line Filter Screw PC...

Page 224: ...or an air driver as this can cause damage to the line filter Connect the wires according to the wiring diagram 8 Securely connect the service P C boards to the chassis using the earth screws removed in step 4 If either of the screws is loose it will pose a risk of device failure by degrading noise control so take care while engaging in the work Nevertheless do not use an electric or pneumatic scre...

Page 225: ...13 EXPLODED DIAGRAM PARTS LIST 013 009 017 048 081 082 077 012 016 007 006 008 054 078 053 079 080 001 002 003 005 3 3 225 ...

Page 226: ...35 036 050 067 049 067 069 037 042 026 072 026 066 070 075 052 066 070 075 SV3D 031 034 037 042 067 071 SV2 075 072 071 075 017 048 081 082 3 3 039 044 SV41 047 039 044 045 047 SV42 028 030 032 029 040 044 019 029 SV51 SV52 226 ...

Page 227: ...or Accumulator High pressure switch High pressure switch Compressor 1 Inverter Liquid side Service valve Gas side Service valve Sub cool heat exchanger SV SV52 Reducer Compressor 2 Inverter SV Solenoid valve Capillary tube Check valve Check joint Strainer Temperature sensor Symbol Distributor SV SV51 TK2 035 029 045 052 037 030 039 028 059 040 023 031 029 059 022 062 019 029 046 088 057 050 057 08...

Page 228: ...3 4 4 4 045 43T50357 SENSOR ASSY LOW PRESSURE 1 1 1 046 43T50358 SENSOR ASSY HIGH PRESSURE 1 1 1 047 43T63359 SWITCH PRESSURE 2 2 2 048 43T57305 HEATER CASE 29W 240V 2 2 2 049 43T57308 HEATER CASE 55W 240V 1 1 1 050 43T48314 SEPARATOR 1 1 1 052 43T48313 ACCUMULATOR 1 1 1 053 43T43523 CONDENSER ASSY TWO ROW LEFT 1 1 1 054 43T43524 CONDENSER ASSY TWO ROW RIGHT 1 1 1 057 43T47388 STRAINER 4 4 4 059 4...

Page 229: ...0 717 TD1 704 711 715 716 706 CN211 CN213 CN212 705 703 711 712 710 719 708 PC board 720 721 722 718 L 1 L 2 L 3 N CN530 P25 723 CN213 CN212 CN211 709 TD2 704 TK1 704 TK2 TS1 701 TS3 701 TL1 701 TL3 701 TE1 701 TO 701 229 704 ...

Page 230: ... 10 10 10 712 43T6V623 PC BOARD ASSY NOISE FILTER MCC 1608 1 1 1 715 43T6W403 PC BOARD ASSY INTERFACE MCC 1673 1 1 1 716 43T6V627 PC BOARD ASSY FAN IPDU MCC 1659 1 1 1 717 43T6V628 PC BOARD ASSY COMP IPDU MCC 1669 2 2 2 718 43T6V631 PC BOARD ASSY NFC MCC 1667 1 1 1 719 43T50345 THERMISTOR PTC 1 1 1 720 43T96307 BUSHING 3 3 3 721 43T96306 COLLAR 3 3 3 722 43T55367 FILTER LINE 1 1 1 723 43T60466 LEA...

Page 231: ...TOSHIBA CARRIER THAILAND CO LTD 144 9 Moo 5 Bangkadi Industrial Park Tivanon Road Amphur Muang Pathumthani 12000 Thailand ...

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