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Mitsubishi PUY, Service Manual

The Mitsubishi PUY Service Manual is readily available for download on our website, absolutely free of charge. This comprehensive manual provides detailed instructions on the installation, usage, and maintenance of the Mitsubishi PUY product. Get the most out of your device by downloading the manual from manualshive.com.

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9

Piping Length (one way)

Charged

Factory

Service Ref.

50 ft

60 ft

70 ft

80 ft

90 ft

100 ft

110 ft

120 ft

130 ft

140 ft

150 ft

160 ft

165 ft

15 m

18 m

21 m

24 m

27 m

30 m

33 m

37 m

40 m

43 m

46 m

49 m

50 m

PUY-A12NHA6-BS

PUY-A12NHA6

42 oz

44 oz

46 oz

48 oz

50 oz

52 oz

-

-

-

-

-

-

-

46 oz

1.2 kg

1.2 kg

1.3 kg

1.4 kg

1.4 kg

1.5 kg

-

-

-

-

-

-

-

1.3 kg

PUY-A18NHA6-BS

PUY-A18NHA6

PUZ-A18NHA6-BS

PUZ-A18NHA6

56 oz

58 oz

60 oz

62 oz

64 oz

66 oz

-

-

-

-

-

-

-

60 oz

1.6 kg

1.6 kg

1.7 kg

1.8 kg

1.8 kg

1.9 kg

-

-

-

-

-

-

-

1.7 kg

PUY-A24NHA6-BS

PUY-A24NHA6

PUZ-A24NHA6-BS

PUZ-A24NHA6

94 oz

100 oz

106 oz

112 oz

118 oz

124 oz

130 oz

136 oz

142 oz

148 oz

154 oz

160 oz

166 oz

106 oz

2.7 kg

2.8 kg

3.0 kg

3.2 kg

3.3 kg

3.5 kg

3.7 kg

3.9 kg

4.0 kg

4.2 kg

4.4 kg

4.5 kg

4.7 kg

3.0 kg

94 oz

100 oz

106 oz

112 oz

118 oz

124 oz

130 oz

136 oz

142 oz

148 oz

154 oz

160 oz

166 oz

106 oz

2.7 kg

2.8 kg

3.0 kg

3.2 kg

3.3 kg

3.5 kg

3.7 kg

3.9 kg

4.0 kg

4.2 kg

4.4 kg

4.5 kg

4.7 kg

3.0 kg

94 oz

100 oz

106 oz

112 oz

118 oz

124 oz

130 oz

136 oz

142 oz

148 oz

154 oz

160 oz

166 oz

106 oz

2.7 kg

2.8 kg

3.0 kg

3.2 kg

3.3 kg

3.5 kg

3.7 kg

3.9 kg

4.0 kg

4.2 kg

4.4 kg

4.5 kg

4.7 kg

3.0 kg

PUY-A30NHA6-BS

PUY-A30NHA6

PUZ-A30NHA6-BS

PUZ-A30NHA6

PUY-A36NHA6-BS

PUY-A36NHA6

PUZ-A36NHA6-BS

PUZ-A36NHA6

PUY-A42NHA6-BS

PUY-A42NHA6

PUZ-A42NHA6-BS

PUZ-A42NHA6

132 oz

136 oz

142 oz

148 oz

154 oz

160 oz

166 oz

172 oz

178 oz

184 oz

190 oz

196 oz

202 oz

160 oz

3.7 kg

3.9 kg

4.0 kg

4.2 kg

4.4 kg

4.5 kg

4.7 kg

4.9 kg

5.0 kg

5.2 kg

5.4 kg

5.6 kg

5.7 kg

4.5 kg

Longer pipe than 70 or 100 ft, additional charge is required.

PUZ-A42NHA6

Service Ref.

PUZ-A42NHA6-BS

PUY-A42NHA6

PUY-A42NHA6-BS

Compressor model

SNB130FQCM1

TNB220FLHM

ANB33FCTMT

(

"

)

Winding Resistance 

U-V

0.640

0.880

0.302

U-W

0.640

0.880

0.302

W-V

0.640

0.880

0.302

(at 68°F [20°C]  )

PUY-A12/18NHA6-BS

PUY-A12/18NHA6

PUZ-A18NHA6-BS

PUZ-A18NHA6

PUY-A24/30/36NHA6-BS

PUY-A24/30/36NHA6

PUZ-A24/30/36NHA6-BS

PUZ-A24/30/36NHA6

5-1. REFILLING REFRIGERANT CHARGE (R410A: oz, kg)

5-2. COMPRESSOR TECHNICAL DATA  

5

DATA

Service Ref.

Piping length (one way)

Factory 

charged

50 ft

60 ft

70 ft

80 ft

90 ft

100 ft 110 ft 120 ft 130 ft 140 ft 150 ft 160 ft 165 ft 170 ft 180 ft 190 ft 200 ft 210 ft 220 ft 225 ft

15 m

18 m

21 m

24 m

27 m

30 m

33 m

37 m

40 m

43 m

46 m

49 m

50 m

52 m

55 m

58 m

61 m

64 m

67 m

69 m

PUY-A12NHA6
PUY-A12NHA6-BS

42 oz 44 oz 46 oz 47 oz 48 oz 49 oz 50 oz 51 oz 52 oz 53 oz 54 oz 55 oz 56 oz

–

–

–

–

–

–

–

46 oz

1.2 kg 1.2 kg 1.3 kg 1.3 kg 1.4 kg 1.4 kg 1.4 kg 1.4 kg 1.5 kg 1.5 kg 1.5 kg 1.6 kg 1.6 kg

–

–

–

–

–

–

–

1.3 kg

PUY-A18NHA6
PUY-A18NHA6-BS

56 oz 58 oz 60 oz 61 oz 62 oz 63 oz 64 oz 65 oz 66 oz 67 oz 68 oz 69 oz 70 oz

–

–

–

–

–

–

–

60 oz

1.6 kg 1.6 kg 1.7 kg 1.7 kg 1.8 kg 1.8 kg 1.8 kg 1.8 kg 1.9 kg 1.9 kg 1.9 kg 2.0 kg 2.0 kg

–

–

–

–

–

–

–

1.7 kg

PUY-A24NHA6
PUY-A24NHA6-BS

94 oz 100 oz 106 oz 109 oz 112 oz 115 oz 118 oz 121 oz 124 oz 127 oz 130 oz 133 oz 134.5 oz 136 oz 139 oz 142 oz 145 oz 148 oz 151 oz 154 oz 106 oz
2.7 kg 2.8 kg 3.0 kg 3.1 kg 3.2 kg 3.3 kg 3.3 kg 3.4 kg 3.5 kg 3.6 kg 3.7 kg 3.8 kg 3.8 kg 3.9 kg 3.9 kg 4.0 kg 4.1 kg 4.2 kg 4.3 kg 4.4 kg 3.0 kg

PUY-A30NHA6
PUY-A30NHA6-BS

94 oz 100 oz 106 oz 109 oz 112 oz 115 oz 118 oz 121 oz 124 oz 127 oz 130 oz 133 oz 134.5 oz 136 oz 139 oz 142 oz 145 oz 148 oz 151 oz 154 oz 106 oz
2.7 kg 2.8 kg 3.0 kg 3.1 kg 3.2 kg 3.3 kg 3.3 kg 3.4 kg 3.5 kg 3.6 kg 3.7 kg 3.8 kg 3.8 kg 3.9 kg 3.9 kg 4.0 kg 4.1 kg 4.2 kg 4.3 kg 4.4 kg 3.0 kg

PUY-A36NHA6
PUY-A36NHA6-BS

94 oz 100 oz 106 oz 109 oz 112 oz 115 oz 118 oz 121 oz 124 oz 127 oz 130 oz 133 oz 134.5 oz 136 oz 139 oz 142 oz 145 oz 148 oz 151 oz 154 oz 106 oz
2.7 kg 2.8 kg 3.0 kg 3.1 kg 3.2 kg 3.3 kg 3.3 kg 3.4 kg 3.5 kg 3.6 kg 3.7 kg 3.8 kg 3.8 kg 3.9 kg 3.9 kg 4.0 kg 4.1 kg 4.2 kg 4.3 kg 4.4 kg 3.0 kg

PUY-A42NHA6
PUY-A42NHA6-BS

132 oz 136 oz 142 oz 148 oz 154 oz 160 oz 163 oz 166 oz 169 oz 172 oz 175 oz 178 oz 179.5 oz 181 oz 184 oz 187 oz 190 oz 193 oz 196 oz 199 oz 160 oz
3.7 kg 3.9 kg 4.0 kg 4.2 kg 4.4 kg 4.5 kg 4.6 kg 4.7 kg 4.8 kg 4.8 kg 4.9 kg 5.0 kg 5.1 kg 5.1 kg 5.2 kg 5.3 kg 5.4 kg 5.4 kg 5.5 kg 5.6 kg 4.5 kg

PUZ-A18NHA6
PUZ-A18NHA6-BS

56 oz 58 oz 60 oz 62 oz 64 oz 66 oz

–

–

–

–

–

–

–

–

–

–

–

–

–

–

60 oz

1.6 kg 1.6 kg 1.7 kg 1.8 kg 1.8 kg 1.9 kg

–

–

–

–

–

–

–

–

–

–

–

–

–

–

1.7 kg

PUZ-A24NHA6
PUZ-A24NHA6-BS

94 oz 100 oz 106 oz 112 oz 118 oz 124 oz 130 oz 136 oz 142 oz 148 oz 154 oz 160 oz 166 oz

–

–

–

–

–

–

–

106 oz

2.7 kg 2.8 kg 3.0 kg 3.2 kg 3.3 kg 3.5 kg 3.7 kg 3.9 kg 4.0 kg 4.2 kg 4.4 kg 4.5 kg 4.7 kg

–

–

–

–

–

–

–

3.0 kg

PUZ-A30NHA6
PUZ-A30NHA6-BS

94 oz 100 oz 106 oz 112 oz 118 oz 124 oz 130 oz 136 oz 142 oz 148 oz 154 oz 160 oz 166 oz

–

–

–

–

–

–

–

106 oz

2.7 kg 2.8 kg 3.0 kg 3.2 kg 3.3 kg 3.5 kg 3.7 kg 3.9 kg 4.0 kg 4.2 kg 4.4 kg 4.5 kg 4.7 kg

–

–

–

–

–

–

–

3.0 kg

PUZ-A36NHA6
PUZ-A36NHA6-BS

94 oz 100 oz 106 oz 112 oz 118 oz 124 oz 130 oz 136 oz 142 oz 148 oz 154 oz 160 oz 166 oz

–

–

–

–

–

–

–

106 oz

2.7 kg 2.8 kg 3.0 kg 3.2 kg 3.3 kg 3.5 kg 3.7 kg 3.9 kg 4.0 kg 4.2 kg 4.4 kg 4.5 kg 4.7 kg

–

–

–

–

–

–

–

3.0 kg

PUZ-A42NHA6
PUZ-A42NHA6-BS

132 oz 136 oz 142 oz 148 oz 154 oz 160 oz 166 oz 172 oz 178 oz 184 oz 190 oz 196 oz 202 oz

–

–

–

–

–

–

–

160 oz

3.7 kg 3.9 kg 4.0 kg 4.2 kg 4.4 kg 4.5 kg 4.7 kg 4.9 kg 5.0 kg 5.2 kg 5.4 kg 5.6 kg 5.7 kg

–

–

–

–

–

–

–

4.5 kg

For pipes longer than 70 or 100 ft, additional charge is required.

OCH577A

Summary of Contents for PUY

Page 1: ...HA6 PUY A12NHA6 BS PUY A18NHA6 BS PUY A24NHA6 BS PUY A30NHA6 BS PUY A36NHA6 BS PUY A42NHA6 BS Service Ref PUZ A18NHA6 PUZ A24NHA6 PUZ A30NHA6 PUZ A36NHA6 PUZ A42NHA6 PUZ A18NHA6 BS PUZ A24NHA6 BS PUZ A30NHA6 BS PUZ A36NHA6 BS PUZ A42NHA6 BS PUY A12NHA6 PUY A18NHA6 PUY A24NHA6 PUY A30NHA6 PUY A36NHA6 PUY A42NHA6 PUY A12NHA6 BS PUY A18NHA6 BS PUY A24NHA6 BS PUY A30NHA6 BS PUY A36NHA6 BS PUY A42NHA6 ...

Page 2: ...nected Preparation before the repair service Prepare the proper tools Prepare the proper protectors Provide adequate ventilation After stopping the operation of the air conditioner turn off the power supply breaker Discharge the condenser before the work involving the electric parts Precautions during the repair service Do not perform the work involving the electric parts with wet hands Do not pou...

Page 3: ...can cause deterio ration of refrigerant oil etc Do not use refrigerant other than R410A If other refrigerant R22 etc is used chlorine in refrige rant can cause deterioration of refrigerant oil etc Use a vacuum pump with a reverse flow check valve Vacuum pump oil may flow back into refrigerant cycle and that can cause deterioration of refrigerant oil etc Use the following tools specifically designe...

Page 4: ...ckness in mm R410A R22 1 Cautions for service 1 Perform service after recovering the refrigerant left in unit completely 2 Do not release refrigerant in the air 3 After completing service charge the cycle with specified amount of refrigerant 4 When performing service install a filter drier simultaneously Be sure to use a filter drier for new refrigerant 2 Additional refrigerant charge When chargin...

Page 5: ...um drying and air purge Flaring work of piping Bend the pipes Cut the pipes Weld the pipes Refrigerant charge Check the degree of vacuum Vacuum valve prevents back flow of oil and refri gerant to thermistor vacuum gauge Refrigerant charge Tool exclusive for R410A Tool exclusive for R410A Tool for HFC refrigerant Tool exclusive for R410A Tool exclusive for R410A Ester oil ether oil and alkylbenzene...

Page 6: ...m A12 36 70 ft 20 m maximum and 16 ft 5 m minimum of piping The additional refrigerant charging work during installation often causes problems It is completely eliminated by chargeless system This unique system improves the quality and reliability of the work done It also helps to speed up the installation time PUZ A24 30 36NHA6 PUZ A24 30 36NHA6 BS PUY A24 30 36NHA6 PUY A24 30 36NHA6 BS PUZ A42NH...

Page 7: ... 48 51 Heating dB 47 50 50 50 55 Protection devices HP switch HP switch HP switch HP switch HP switch Comp shell thermo Comp shell thermo Comp shell thermo Comp shell thermo Dimension W mm 800 950 950 950 950 D mm 300 23 330 30 330 30 330 30 330 30 H mm 600 943 943 943 1350 W in 31 1 2 37 12 32 37 12 32 37 12 32 37 12 32 D in 11 13 16 7 8 13 1 3 16 13 1 3 16 13 1 3 16 13 1 3 16 H in 23 5 8 37 1 8 ...

Page 8: ...h HP switch Comp shell thermo Comp shell thermo Comp shell thermo Comp shell thermo Comp shell thermo Dimension W mm 800 800 950 950 950 950 D mm 300 23 300 23 330 30 330 30 330 30 330 30 H mm 600 600 943 943 943 1350 W in 31 1 2 31 1 2 37 12 32 37 12 32 37 12 32 37 12 32 D in 11 13 16 7 8 11 13 16 7 8 13 1 3 16 13 1 3 16 13 1 3 16 13 1 3 16 H in 23 5 8 23 5 8 37 1 8 37 1 8 37 1 8 53 5 32 Weight k...

Page 9: ...kg 1 5 kg 1 5 kg 1 6 kg 1 6 kg 1 3 kg PUY A18NHA6 PUY A18NHA6 BS 56 oz 58 oz 60 oz 61 oz 62 oz 63 oz 64 oz 65 oz 66 oz 67 oz 68 oz 69 oz 70 oz 60 oz 1 6 kg 1 6 kg 1 7 kg 1 7 kg 1 8 kg 1 8 kg 1 8 kg 1 8 kg 1 9 kg 1 9 kg 1 9 kg 2 0 kg 2 0 kg 1 7 kg PUY A24NHA6 PUY A24NHA6 BS 94 oz 100 oz 106 oz 109 oz 112 oz 115 oz 118 oz 121 oz 124 oz 127 oz 130 oz 133 oz 134 5 oz 136 oz 139 oz 142 oz 145 oz 148 oz...

Page 10: ... dB 0 0002 µbar BAND CENTER FREQUENCIES Hz PUY A24 30 36NHA6 PUY A24 30 36NHA6 BS PUZ A24 30 36NHA6 PUZ A24 30 36NHA6 BS COOLING MODE HEATING 48 SPL dB 50 LINE 90 80 70 60 50 40 30 20 10 63 125 250 500 1000 2000 4000 8000 APPROXIMATE THRESHOLD OF HEARING FOR CONTINUOUS NOISE OCTAVE BAND SOUND PRESSURE LEVEL dB 0 dB 0 0002 µbar BAND CENTER FREQUENCIES Hz NC 60 NC 50 NC 40 NC 30 NC 20 NC 70 PUY A42N...

Page 11: ... 7 6 441 93 179 123 29 21 7 A 3 23 0 74 88 1 52 8 2 3 7 6 468 107 191 127 36 15 6 A 2 95 0 63 80 7 49 3 2 0 7 6 428 91 177 121 28 Refrigerant circuit Discharge pressure MPa Suction pressure MPa Discharge temperature Condensing temperature Suction temperature Ref Pipe length m 20 4 A 2 83 0 82 73 4 47 5 4 9 7 6 410 120 164 118 40 21 5 A 2 93 0 69 80 3 47 5 0 3 7 6 425 100 177 118 33 Discharge press...

Page 12: ...ondensing temperature Suction temperature Ref Pipe length m 2 83 0 82 73 4 47 5 4 9 7 6 410 120 164 118 40 Discharge pressure PSIG Suction pressure PSIG Discharge temperature F Condensing temperature F Suction temperature F Ref Pipe length ft 25 25 side Indoor Intake air temperature DB 26 7 26 7 Intake air temperature WB 19 4 14 6 19 4 12 9 Discharge air temperature DB side Outdoor Intake air temp...

Page 13: ...ischarge 4 oval hole Air intake Service panel Connection for liquid pipe Service panel for charge plug Service port Connection for gas pipe Min 100mm 3 15 16 Min 500mm 19 11 16 Min 350mm 13 25 32 Basically open Max Foundation bolt height FOUNDATION Please secure the unit firmly with 4 foundation M10 W3 8 bolts Bolts washers and nut must be purchased locally 18mm 23 32 33 1 5 16 drain hole 43 6 1 2...

Page 14: ...al Block Conduit hole 2 27 1 1 16 Knockout Right trunking hole Knockout Right piping hole Knockout 65 2 9 16 92 3 5 8 40 1 9 16 45 1 25 32 19 3 4 27 1 1 16 23 29 32 23 29 32 73 2 7 8 Conduit hole 2 27 1 1 16 Knockout Front trunking hole Knockout Front piping hole Knockout 9 2 3 5 8 Conduit hole 2 27 1 1 16 Knockout Rear trunking hole Knockout Rear piping hole Knockout 220 8 21 32 145 5 23 32 145 5...

Page 15: ...nockout Conduit hole 2 27 1 1 16 Knockout 9 2 3 5 8 92 3 5 8 65 2 9 16 45 1 25 32 40 1 9 16 27 1 1 16 55 2 3 16 23 29 32 73 2 7 8 63 2 1 2 Front piping hole Knockout Front trunking hole Knockout Conduit hole 2 27 1 1 16 Knockout 9 2 3 5 8 371 14 19 32 330 13 30 1 3 16 175 6 7 8 600 23 5 8 175 6 7 8 42 1 21 32 66 2 5 8 950 37 13 32 322 12 11 16 1350 53 5 32 635 25 19 3 4 417 16 13 32 370 14 9 16 2 ...

Page 16: ...ection for Option Connector Connection for Option SS CNMNT Connector Connected to Optional M NET Adapter Board CN51 Switch Model Select SW6 SW9 X51 X52 X55 Relay LED1 LED2 LED Operation Inspection Indicators Thermistor Liquid Thermistor Ambient Linear Expansion Valve F1 F2 F3 F4 Connector Connection for Option Connector Connection for Option SYMBOL M NET ADAPTER NAME TB7 CN5 CND CN2M Terminal Bloc...

Page 17: ...ptional M NET Adapter Board C B Converter PFC 52C Relay 52C SYMBOL NAME SYMBOL NAME SYMBOL NAME Connection Terminal L1 L2 Phase TABR S CNMNT Connector Connected to Optional M NET Adapter Board Switch Model Select SW6 Switch Function Switch SW9 X51 X52 X55 Relay Power Module IPM Main Smoothing Capacitor CB1 CB2 CB3 CY1 CY2 Capacitor Connector Connection for Option Connector Connection for Option SS...

Page 18: ... Relay CY1 CY2 Capacitor Switch Test Operation Switch Model Select Function Switch SW4 SW5 Connector Connection for Option Connector Connection for Option Connector Connection for Option Connector Connection for Option SS CN51 Thermistor Liquid Linear Expansion Valve Switch Manual Defrost Defect History Record Reset Refrigerant Address F1 F2 F3 F4 Switch Function Switch Switch Function Switch Swit...

Page 19: ... Connector Connection for Option Connector Connected to Optional M NET Adapter Board Connector Connected to Optional M NET Adapter Board Connector Connection for Option X51 X52 Relay CY1 CY2 Capacitor Switch Test Operation SW4 Connector Connection for Option SS CN51 TH32 Thermistor Comp Surface TH33 Thermistor Suction Connector Connection for Option SYMBOL M NET ADAPTER NAME TB7 CN5 CND CN2M Termi...

Page 20: ...L1 L2 4 Indoor unit Outdoor unit S1 S2 4 Indoor unit Outdoor unit S2 S3 4 Remote controller Indoor unit 4 A12 A18 A24 A30 A36 A42 Single 208 230 V 60 Hz Single 208 230 V 60 Hz Single 208 230 V 60 Hz Single 208 230 V 60 Hz Single 208 230 V 60 Hz Single 208 230 V 60 Hz 15 A 15A 25A 30A 30A 30A 13 A 13A 18A 25A 25A 26A 15 A 20A 30A 40A 40A 40A 2 o Min AWG 14 2 o Min AWG 14 2 o Min AWG 12 2 o Min AWG ...

Page 21: ...se wires rated 300 V or more for the power supply cables 4 Install an earth longer than other cables Indoor unit model Indoor unit power supply Minimum circuit ampacity Maximum rating of overcurrent protective device Indoor unit power supply Indoor unit power supply earth Indoor unit Outdoor unit Indoor unit earth Remote controller Indoor unit Indoor unit L1 L2 Indoor unit Outdoor unit S1 S2 Indoo...

Page 22: ...g cables directly to the units no intermediate connections Intermediate connections can lead to communication errors if water enters the cables and causes insufficient insulation to ground or a poor electrical contact at the intermediate connection point Indoor unit Outdoor unit Indoor Outdoor separate power supply 2 o Min AWG22 Wire No o Size Note The optional indoor power supply terminal kit is ...

Page 23: ... 35A 1 4 Stop valve 4 way valve Service port check High pressure protect switch Outdoor heat exchanger Thermistor TH3 Thermistor TH6 Distributor Muffler Thermistor TH32 Thermistor TH33 Linear expansion valve Refrigerant flow in cooling Refrigerant flow in heating 50 Strainer 100 Strainer 100 Strainer 4 way valve solenoid coil Heating ON Cooling OFF PUZ A42NHA6 PUZ A42NHA6 BS Service port check Acc...

Page 24: ...mulator Compressor Refrigerant GAS pipe 12 7A 1 2 Refrigerant LIQUID pipe 6 35A 1 4 Stop valve High pressure protect switch Linear expansion valve Refrigerant flow in cooling Stop valve with service port 50 Strainer 100 Strainer 100 Strainer Thermistor TH32 Thermistor TH33 Service port check Accumulator Compressor Refrigerant GAS pipe 15 88A 5 8 Refrigerant LIQUID pipe 9 52A 3 8 Service port check...

Page 25: ...eak Look for the source of the gas leak AStop valve Liquid side BStop valve Gas side CService port DOpen Close section A B H I C D E F G D B A C ELocal pipe FSealed same way for gas side GPipe cover HDo not use a wrench here Refrigerant leakage may result IUse 2 wrenches here 1 Refrigerant collecting pump down Perform the following procedures to collect the refrigerant when moving the indoor unit ...

Page 26: ...ere is no abnormality concerning of parts such as electrical component controller board remote controller etc 1Re check the abnormal symptom 2Conduct troubleshooting and ascertain the cause of the trouble according to 10 5 TROUBLESHOOTING OF PROBLEMS 3Continue to operate unit for the time being if the cause is not ascertained 4There is no abnormality concerning of parts such as electrical componen...

Page 27: ... F3 F4 Remain Vane Cool mode Check the cold air blows out Heat mode Check the heat blows out Press the F1 button to go through the operation modes in the order of Cool and Heat Check the auto vane with the F1 F2 buttons Press the button to return to Test run operation Press the button When the test run is completed the Test run menu screen will appear The test run will automatically stop after 2 h...

Page 28: ... the following screen will appear Check the error status stop the operation and consult your dealer Contact information dealer s phone number will appear if the information has been registered F1 F2 F3 F4 F1 F2 F3 F4 Error information Error reset Error reset Error code Error unit IU Ref address Unt Model name Serial No Reset Page Reset current error Error reset OK Cancel Main menu Reset error Rese...

Page 29: ...rror Unt dd mm yy Error history Cancel OK Delete error history Error history Check menu Error history deleted 2 Select Error history with the F1 or F2 button and press the button Select Check with the F1 or F2 button and press the button 3 Select Error history from the Check menu and press the button to view up to 16 error history records 4 records are shown per page and the top record on the firs...

Page 30: ...f status of remote controller display and current operation mode are displayed 3 Press the button to activate mode then check whether cool air blows out from the unit 4 Press the button to activate mode then check whether warm air blows out from the unit 5 Press the button and check whether strong air blows out from the unit 6 Press the button and check whether the auto vane operates properly 7 Pr...

Page 31: ... Select Self check with the F1 or F2 button and press the button 1 Select Service from the Main menu and press the button 3 Check code unit number attribute will appear will appear if no error history is available 4 Resetting the error history Press the F4 button Reset on the screen that shows the error history A confirmation screen will appear asking if you want to delete the error history Press ...

Page 32: ...r on the remote controller display if the correct voltage 8 5 12 V DC is not supplied to the remote control ler If this is the case check the remote controller wiring and indoor units OK No problems are found with the remote controller Check other parts for problems E3 6832 There is noise on the transmission line or the indoor unit or another remote controller is faulty Check the transmission line...

Page 33: ...t board 7 Defective outdoor controller circuit board 1 Check following items a Power supply breaker b Connection of power supply terminal block TB1 c Connection of power supply terminal block TB1 2 Check following items a Connection of power supply terminal block TB1 b Connection of terminal on outdoor power circuit board A12 A24N Disconnection of connector R or S Refer to 10 9 TEST POINT DIAGRAM ...

Page 34: ... connecting wire of indoor and outdoor units 2 Check diameter and length of indoor outdoor unit connecting wire Total wiring length 262 ft 80 m including wiring connecting each indoor unit and between indoor and outdoor unit Also check if the connection order of flat cable is S1 S2 S3 3 Check the number of indoor units that are connected to one outdoor unit If EA is detected 4 6 Turn the power off...

Page 35: ...linear expansion valve Refer to 10 6 HOW TO CHECK THE PARTS and 10 7 HOW TO CHECK THE COMPONENTS 8 Replace outdoor controller board Case U2 TH32 1132 High discharge temperature High comp surface temperature 1 Abnormal if discharge temperature ther mistor TH32 exceeds 257 F 125 or 230 F 110 continuously for 5 min utes Abnormal if condenser evaporator temperature thermistor TH5 exceeds 104 F 40 duri...

Page 36: ...H32 Refer to 10 9 TEST POINT DIAGRAM 2 Check resistance value of TH32 or temperature by microprocessor Thermistor TH32 Refer to 10 6 HOW TO CHECK THE PARTS SW2 on A Control Service Tool Refer to 10 10 FUNCTION OF SWITCHES CONNECTORS AND JUMPERS 3 Replace outdoor controller board U4 TH3 5105 TH6 5107 TH7 5106 TH8 5110 TH33 5133 Open short of outdoor unit thermistors TH3 TH6 TH7 TH8 and TH33 Abnorma...

Page 37: ...unit to 0 1 A only if operation frequency is more than or equal to 40 Hz or compressor current is more than or equal to 6 A 1 Defective input current detection circuit in outdoor power circuit board 2 Defective outdoor controller circuit board 1 Replace outdoor power circuit board 2 Replace outdoor controller circuit board Detailed codes 01 Overvoltage error Increase in DC bus voltage to A12 18 24...

Page 38: ...en compressor locked Abnormal if overcurrent of DC bus or compressor is detected within 30 seconds after compressor starts operating 1 Stop valve is closed 2 Decrease of power supply voltage 3 Looseness disconnection or converse of compressor wiring connection 4 Defective compressor 5 Defective outdoor power board 6 DIP Switch setting for selecting model is incorrect on the outdoor power circuit b...

Page 39: ... on outdoor noise filter board with tester If open is detected replace the board Note Other indoor controller board may have defect in case of twin indoor unit system 1 Contact failure short circuit or miswiring converse wiring of indoor outdoor unit connecting wire 2 Defective transmitting receiv ing circuit of outdoor controller circuit board 3 Defective transmitting receiving circuit of indoor ...

Page 40: ...ilure of connector CN4 between the outdoor controller circuit board and the outdoor power circuit board 3 Defective communication circuit of outdoor power circuit board 4 Defective communication circuit of outdoor controller circuit board for outdoor power circuit board 12 Check connection of each connector CN2 and CN4 between the outdoor controller circuit board and the outdoor power circuit boar...

Page 41: ...ttribute displayed at remote controller indicate the controller that detected abnormality 1 There are 2 or more same address of controller of out door unit indoor unit FRESH MASTER or LOSSNAY 2 Noise has entered into trans mission signal and signal was transformed Search the unit with same address as abnormali ty occurred If the same address is found turn off the power supply of outdoor unit and i...

Page 42: ... transmission connector CN2M of outdoor unit 3 Defective transmitting receiving circuit of outdoor unit or indoor unit Always try the followings when the error A7 occurs 1 Turn off the power supply of outdoor unit and indoor unit and FRESH MASTER or LOSSNAY at the same time for 2 minutes or more and turn the power on again If mal function was accidental the unit returns to normal 2 Check address s...

Page 43: ...me refrig erant system with LOSSNAY is turned off or within 2 min utes of restart abnormality is detected 3 Contact failure of transmis sion wire of indoor unit of LOSSNAY 4 Disconnection of transmission connector CN2M of indoor unit 5 Defective transmitting receiv ing circuit of indoor unit or LOSSNAY 7 If displayed address or attribute is non existent 1 The unit of former address does not exist ...

Page 44: ...board 1 When LED3 is not blinking Check indoor outdoor connecting wire for miswiring Converse wiring of S1 and S2 or break of S3 wiring 2 When LED3 is blinking Indoor outdoor connecting wire is normal 4 Check LED display on outdoor controller circuit board Refer to 10 10 FUNCTION OF SWITCHES CONNECTORS AND JUMPERS Check protection device connector 63L and 63H for contact failure Refer to 10 9 TEST...

Page 45: ...troller 12 Normal operation For protection of compressor 12 Normal operation 4 Even controlling by the IR wireless remote controller no beep is heard and the unit does not start operat ing Operation display is indicated on IR wireless remote controller 1 The pair number settings of the IR wireless remote controller and indoor controller board are mismatched 1 Check the pair number settings 5 When ...

Page 46: ... after turning on the main power Normal The start up diagnosis will be over in around 2 minutes Miswiring of indoor outdoor connecting wire Breaking of indoor outdoor connecting wire S3 Defective indoor controller board Defective outdoor controller circuit board Refer to Self diagnosis action table in order to solve the trouble In case of communication errors the display of remote controller may n...

Page 47: ... outdoor unit Check if the wiring is bad Check if the fuses are blown The fuses on the outdoor controller circuit board will be blown when the indoor outdoor connecting wire short circuits Bad wiring of the outdoor controller board The fuses on the outdoor controller circuit board are blown Check if miswiring breaking or poor contact is causing this problem Indoor outdoor connecting wire is polari...

Page 48: ...ce the outdoor controller circuit board Normal Only the unit which has the refrigerant address 0 supplies power to the remote controller Set the refrigerant address to 0 In case of the multiple grouping system recheck the refrigerant address again Defective indoor power board Replace the indoor power board Defective outdoor power circuit board Replace the outdoor power circuit board Defective indo...

Page 49: ...ct of the remote controller wire Check the voltage of the terminal block TB5 connecting the remote controller wire If it is not between 10 and 16 V DC the indoor controller board must be defective The remote controller wire short circuits Check if the remote controller wire is short circuited Defective indoor controller board Replace the indoor controller board Diagnosis flow Cause Inspection meth...

Page 50: ... twice to clear FILTER from the display See the operation manual that came with the product for how to clean the filters 3 STANDBY is displayed on the screen 3 This is displayed when the unit starts HEAT operation when the thermostat puts the compressor in operation mode or when the outdoor unit ends DEFROST operation and returns to HEAT operation The display will automatically disappear around 10...

Page 51: ...outdoor unit is controlling the airflow amount in order to keep the optimum operating condition 5 A sound similar to water flowing is heard from the unit 5 This is not a malfunction This is the sound which is heard when the refrigerant is flowing inside the indoor unit 2 The fan speed does not match the setting of the remote controller in HEAT operation The up down vane will be automatically set t...

Page 52: ...he airflow direction does not change Up down vane left right louver 3 1 Check if the vane is set to a fixed position Check if the vane motor connector is removed 2 Check if the air conditioner has a function for switching the air direction 3 If the air conditioner doesn t have that function NOT AVAILABLE will be displayed on the remote controller when AIR DIRECTION or LOUVER button is pressed Some...

Page 53: ...s down HEAT water drips down from the heat exchanger Note Use optional parts Drain Socket and Drain pan if these water needs to be collected and drained out for once Water or moisture is expelled from the outdoor unit Batteries are being exhausted Replace them and press the reset button of remote controller The display of IR wireless remote controller gets dim or does not come on The indoor unit d...

Page 54: ...near expansion valve LEV A For A12 18 Linear expansion valve LEV A For A24 42 Normal Abnormal Open or short A18 36 A42 Open or short Disconnect the connector then measure the resistance with a tester Winding temperature 68 F 20 Measure the resistance between the terminals with a tester At the ambient temperature 68 F 20 Normal 1450 i 150 Abnormal Open or short Solenoid valve coil Bypass valve SV F...

Page 55: ...and 21S4 Is LED1 or LED2 lit 280 to 350 V DC Check wiring Replace outdoor controller circuit board Check the breaker and main incoming power Check noise filter circuit board Check wiring Check the voltage from the power circuit board to CNDC PNK connector No No Yes lit No No lit Yes No Outdoor controller circuit board check Yes blow Yes blow Outdoor controller circuit board CNDC PNK Power circuit ...

Page 56: ...ue to its location Test points are limited Yes Yes Yes Yes No No No Turn off the incoming power supply and check the resistance of RS on the noise filter circuit board RS open Yes open Replace the noise filter circuit board and check 52C relay wiring power board and ACTM No normal Noise filter circuit board check Noise filter circuit board CNDC PNK TB1 198 253 V AC N L Power circuit board 3 1 2 3 ...

Page 57: ...f the incoming power supply and check the resistance of RS on the noise filter circuit board RS open Yes open Replace the noise filter circuit board and check 52C relay wiring power board and ACTM No normal Noise filter circuit board check Noise filter circuit board TB1 198 253 V AC N L 1 2 3 4 208 230 V 10 AC Circuit diagram 12 V DC from outdoor controller circuit board CN52C 1 2 3 4 Outdoor Cont...

Page 58: ...WHT on outdoor controller circuit board CNAC WHT 198 253 V AC Check wiring Replace the noise filter circuit board Is the voltage of CNDC PNK on outdoor controller circuit board 280 350 V DC Check wiring Check power circuit board Note To check the voltage of the parts on this board with a tester is difficult due to its location Test points are limited Yes Yes Yes Yes No No No Turn off the incoming ...

Page 59: ...el setting switch SW6 on the outdoor controller circuit board Replace the power circuit board Is the voltage of CNDC PNK on outdoor controller circuit board 280 350V DC Check wiring Check power circuit board Check noise filter circuit board Yes Yes Yes No No No Power circuit board check 7 6 5 4 3 2 1 Noise Filter Circuit Board Power circuit board Conv Circuit CNDC PNK 7 6 5 4 3 2 1 Comp U V W U V ...

Page 60: ...cuit board Is the voltage of CNDC PNK on outdoor controller circuit board 280 350 V DC Check wiring Check power circuit board Check noise filter circuit board Yes Yes Yes No No No Power circuit board check Outdoor controller circuit board Noise filter circuit board LI NI 208 230 V 10 AC 3 1 CNDC PNK LO NO Power circuit board 280 350 V DC COMP W 7 6 5 4 3 2 1 CN2 WHT U V 10 250 V AC U W 10 250 V AC...

Page 61: ...ntroller circuit board Yes No ACTM check Active Filter Module Power supply 52C relay Bus bar voltage DC COMP Hz ACTM OFF OFF ON OFF ON 0Hz ex 48Hz 0V 290 325 V 330 350 V ON 208 230 V min Hz 290 325 V OFF TIME CHART power on starts stop Noise filter circuit board LI NI 208 230 V 10 AC LO NO Power board operate 330 350 V DC stop 290 325 V DC AC TM Outdoor controller circuit board 3 1 CNDC PNK 7 6 5 ...

Page 62: ...failure Yes Yes No Did the F5 open No Yes Check the operation of fan END Yes OK Check the operation END OK FAN MOTOR MF1 Inverter driver Ground power supply inverter drive power supply gate drive rotation signal control voltage 7 6 5 4 1 3 1 CNF1 CNDC F5 15 V DC 0 6 5 V DC 0 15 V DC pulse C5E Motor TESTS POINT VDC TESTS POINT Vcc CHECK POINT 280 350 V DC TESTS POINT Vsp PC5D C5B TESTS POINT VFG C5...

Page 63: ...k 86 F 30 160 k 104 F 40 104 k 122 F 50 70 k 140 F 60 48 k 158 F 70 34 k 176 F 80 24 k 194 F 90 17 5 k 212 F 100 13 0 k 230 F 110 9 8 k High temperature thermistor Thermistor Comp surface TH32 0 10 20 30 40 50 20 10 0 10 20 30 40 50 4 14 32 50 68 86 104122 F Temperature Resistance k 500 400 300 200 100 0 25 50 75 100 120 77 122 167 212 248 F Temperature Resistance k 32 F 0 180 k 77 F 25 50 k 122 F...

Page 64: ... can be heard than normal situation No sound is heard when the pulse number moves from B to A in case coil is burn out or motor is locked by open phase Sound can be detected by placing the ear against the screw driv er handle while putting the screw driver to the linear expansion valve LEV M 1 6 4 4 3 2 1 2 1 Red Brown Blue Orange Yellow White 3 4 5 6 Connector LEV A 12 V DC Outdoor controller boa...

Page 65: ...nd can be heard than normal situation No sound is heard when the pulse number moves from B to A in case coil is burn out or motor is locked by open phase Sound can be detected by placing the ear against the screw driv er handle while putting the screw driver to the linear expansion valve LEV M 1 6 4 4 3 2 1 1 Gray Orange Red Yellow Black 3 4 5 6 Connector LEV A DC12V Outdoor controller board Drive...

Page 66: ...e sure to attach the stopper to pipe B B A How to attach the coil Hold the lower part of the main body shown as A firmly so that the main body does not move and attach the coil by inserting it downward into the main body Then securely attach the coil stop per to pipe B At this time be careful that stress is not added to lead wire and main body is not wound by lead wire If the stop per is not firml...

Page 67: ...p per to main body At this time be careful that stress is not added to lead wire and main body is not wound by lead wire If the stopper is not firmly attached to main body coil may be detached from the main body and that can cause defective operation of lin ear expansion valve To prevent piping stress be sure to attach the coil holding the main body of linear expansion valve firmly Otherwise pipe ...

Page 68: ... more than 10 hours Neglecting this could result in freezing the heat exchanger in indoor unit 3 Emergency operation procedure 1 Turn the main power supply off 2 Turn on the emergency operation switch SWE on indoor controller board 3 Set the shorting pins of emergency operation connector CN31 on outdoor controller board to ON 4 Use SW4 2 on outdoor controller board to set the operation mode coolin...

Page 69: ... 54 F 30 54 F 30 2 Sub cool SC 9 F 5 9 F 5 2 1 If the thermistor temperature data is normal not open short that data is loaded into the control as valid data When the unit enters emergency operation and TH values are mismatched set the thermistors to open short And the unit runs emergency operation with the values listed above 2 If one thermistor is set to open short the values of SHd SC will be d...

Page 70: ... detect history record reset refrigerant address CNDM 1 2 Input of low level sound priority mode 1 3 Input of external con tact point TH3 Thermistor Liquid TH7 6 Thermistor Ambient 2 phase pipe CNDC 280 V DC 1 3 Outdoor power circuit board VFG TEST POINT 4 Voltage between right pins of PC5C and PC5D pin 3 and pin 4 Same as CNF17 4 VSP TEST POINT 3 Voltage between pins of C5A C5B 0 V DC when stoppe...

Page 71: ...C relay signal Connect to the outdoor controller circuit board CN52C CN5 Primary current Connect to the outdoor power circuit board CN5 CNAC1 CNAC2 208 230 V AC Connect to the outdoor control ler circuit board CNAC EI Connect to the earth LI NI Voltage of 208 230 V AC is input Connect to the terminal block TB1 E3 Connect to the earth E2 Connect to the earth OCH577A ...

Page 72: ...circuit board CN52C CN5 Primary current Connect to the outdoor power circuit board CN5 CNAC1 CNAC2 208 230 V AC Connect to the outdoor control ler circuit board CNAC EI E2 Connect to the earth E3 Connect to the earth Outdoor noise filter circuit board PUZ A24NHA6 PUZ A24NHA6 BS PUY A24NHA6 PUY A24NHA6 BS OCH577A ...

Page 73: ...nect to the earth LO NO Voltage of 208 230 V AC is output Connect to the outdoor power circuit board TABS TABT PTC1 PTC2 CN52C 52C driving signal Connect to the outdoor controller circuit board CN52C CN5 Primary current Connect to the outdoor power circuit board CN5 Outdoor noise filter circuit board PUZ A30 36 42NHA6 PUZ A30 36 42NHA6 BS PUY A30 36 42NHA6 PUY A30 36 42NHA6 BS OCH577A ...

Page 74: ...ACL 208 230 V AC U V W Connect to the compressor MC Voltage among phases 5 to 180 V AC LD9 Connect to the earth Only A24 CN5 Primary current detection Connect to the outdoor noise filter circuit board CN5 CN4 Connect from the outdoor controller circuit board CN4 CN3 Thermistor Heat sink TH8 DIP IPM DIP PFC Brief check of DIP IPM and DIP PFC Usually they are in a state of being short circuited if t...

Page 75: ... outdoor noise filter circuit board CN5 CNDC 280 380 V DC 1 3 Connect to the outdoor controller circuit board TABS TABT Connect to the outdoor noise fil ter circuit board Voltage among phases 208 230 V AC Brief check of POWER MODULE Usually they are in a state of being short circuited if they are broken Measure the resistance in the following points connectors etc If they are short circuited it me...

Page 76: ...tom when the unit is in trouble and Io open less than 1 1 The unit does not operate cannot be switched ON and L2 short 100 k to 1 M 1 The breaker operates open 1 1 The unit does not operate cannot be switched ON 2 U9 Abnormal stop 2 P and L2 short 100 k to 1 M 1 The breaker operates open 1 1 The unit does not operate cannot be switched ON 2 U9 Abnormal stop 2 P and Io short 100 k to 1 M 1 The brea...

Page 77: ...5 6 ON 1 2 3 4 5 6 ON 1 2 3 12 13 14 15 4 5 6 ON 1 2 3 4 5 6 ON 1 2 3 4 5 6 ON 1 2 3 4 5 6 ON 1 Manual defrost should be done as follows 1 Change the DIP SW1 1 on the outdoor controller board from OFF to ON 2 Manual defrost will start by the above operation 1 if all these conditions written below are satisfied Heat mode setting 10 minutes have passed since compressor started operating or previous ...

Page 78: ...OFF ON PUZ A24NHA6 1 2 3 4 5 6 OFF ON PUY A24NHA6 7 8 7 8 1 2 3 4 5 6 OFF ON 1 2 3 4 5 6 OFF ON 1 2 3 4 5 6 OFF ON PUZ A30NHA6 PUZ A36NHA6 MODEL SW6 SW5 5 6 5 1 2 3 4 5 6 OFF ON 1 2 3 4 5 6 OFF ON PUY A30NHA6 PUY A36NHA6 1 2 3 4 5 6 7 8 7 8 7 8 7 8 OFF ON 1 2 3 4 5 6 OFF ON 1 2 3 4 5 6 OFF ON 1 2 3 4 5 6 OFF ON 1 2 3 4 5 6 OFF ON 1 2 3 4 5 6 OFF ON PUZ A42NHA6 1 2 3 4 5 6 OFF ON PUY A42NHA6 7 8 7 ...

Page 79: ...w level sound priority mode and normal operation b Demand control Local wiring Demand control is available by external input In this mode power consumption is decreased within the range of usual 0 to 100 How to wire Basically the wiring is the same as a Connect an SW1 which is procured at field to the between Orange and Red 1 and 3 of the Adaptor for external signal input PAC SC36NA and insulate t...

Page 80: ...ted by remote controller Remote controller signal receiving error is detected by indoor unit Remote controller transmitting error is detected by indoor unit Serial communication error Communication between outdoor controller board and outdoor power board Communication between outdoor controller board and M NET P C board Communication error of M NET system 1 Check code displayed on remote controlle...

Page 81: ...e of outdoor thermistors Abnormality of heatsink temperature 1Check if indoor outdoor units have a short cycle on their air ducts 2Measure resistance value of outdoor heatsink thermistor TH8 1Check the outdoor fan motor Abnormality of voltage 1Check looseness disconnection and converse connection of compressor wiring 2Measure resistance value among terminals on compressor using a tester 3Check the...

Page 82: ...ing postponed 3 When the display blinks Inspection code is displayed when compressor stops due to the work of protection devices Display Contents to be inspected When power is turned on F3 F5 F9 E8 E9 EA Eb EC E0 E7 63L connector red is open 63H connector yellow is open 2 connectors 63H 63L are open Indoor outdoor communication error Signal receiving error Outdoor unit Indoor outdoor communication...

Page 83: ...ours or more hundreds digit tens digit and ones digit are displayed by turns Example When 2450 hours 245 10 hours 0 5 s 0 5 s 2 s 1 ON 2 3 4 5 6 1 ON 2 3 4 5 6 1 ON 2 3 4 5 6 Compressor operating current 0 to 50 LEV A opening pulse 0 to 480 0 to 50 Note Omit the figures after the decimal fractions 0 to 480 When it is 100 pulse or more hundreds digit tens digit and ones digit are displayed by turns...

Page 84: ...umber and code 37 to 327 3 to 164 When the temperature is 100 F or more the hundreds digit tens digit and ones digit are displayed by turns Example When 130 F 0 5 s 0 5 s 2 s F A Code display Code display 0 to 50 When no error history 0 and are displayed by turns When no error history 0 and are displayed by turns 1 ON 2 3 4 5 6 Thermostat ON time 0 to 999 Test run elapsed time 0 to 120 0 to 999 Wh...

Page 85: ...ng only 0 Single phase 2 3 phase Setting details Defrosting switch Display details 0 Normal 1 For high humidity Example When heat pump 3 phase and defrosting normal are set up 20 is displayed 1 ON 2 3 4 5 6 1 ON 2 3 4 5 6 Indoor pipe temperature Cond Eva TH5 1 Indoor 1 38 to 190 38 to 190 39 to 88 When the temperature is 0 F or less and temperature are displayed by turns F 38 to 190 39 to 88 When ...

Page 86: ... 1 ON 2 3 4 5 6 1 ON 2 3 4 5 6 SW2 setting 1 ON 2 3 4 5 6 Display detail Explanation for display Unit 1 ON 2 3 4 5 6 1 ON 2 3 4 5 6 1 ON 2 3 4 5 6 Indoor setting temperature 62 to 86 Outdoor pipe temperature 2 phase pipe TH6 58 to 194 Outdoor heat sink temperature TH8 40 to 327 F F F 58 to 194 50 to 90 When the temperature is 0 F or less and temperature are displayed by turns 40 to 327 40 to 164 W...

Page 87: ...t code display Blinking During postponement Lighting Cancellation of postponement 00 is displayed in case of no postponement Code display Check code history 3 Oldest Alternate display of abnormal unit number and code When no error history 0 and are displayed by turns 3 Outdoor pipe temperature Liquid TH3 6 Outdoor pipe temperature 2 phase TH6 7 Outdoor ambient temperature TH7 8 Outdoor heat sink T...

Page 88: ...ature are displayed by turns Example When 15 F 0 5 s 0 5 s 2 s Outdoor pipe temperature 2 phase TH6 on error occurring 38 to 190 38 to 190 39 to 88 C When the temperature is 0 F or less and temperature are displayed by turns Example When 15 F 0 5 s 0 5 s 2 s Outdoor outside temperature TH7 on error occurring 38 to 190 38 to 190 39 to 88 C When the temperature is 0 F or less and temperature are dis...

Page 89: ... 2 3 4 5 6 1 ON 2 3 4 5 6 F Minute 15 1 15 4 1 ON 2 3 4 5 6 Normal Overvoltage error Undervoltage error Input current sensor error L1 or L2 phase open error Abnormal power synchronous signal PFC error A12 18 24NHA Overvoltage Undervoltage Overcurrent PFC ACTM error Undervoltage Display examples for multiple errors Overvoltage 01 Undervoltage 02 03 Undervoltage 02 Power sync signal error 08 0A L1 p...

Page 90: ...he ones digit In this digit the total number of activated control is displayed Preventive control for excessive temperature rise of discharge temperature Preventive control for excessive temperature rise of condensing temperature Frosting preventing control Preventive control for excessive temperature rise of heatsink Example The following controls are activated Primary current control Preventive ...

Page 91: ...P current COMP run time COMP On Off COMP frequency A Hz Hr times Hr Ref address Cool Ref address Cool Ref address Cool Sub cool OU TH4 temp OU TH6 temp OU TH7 temp IU air temp IU HEX temp IU filter time Select Smooth maintenance with the F1 or F2 button and press the button Select Check with the F1 or F2 button and press the button Select Service from the Main menu and press the button Set each it...

Page 92: ...r temperature Comp discharge temperature Outdoor ambient temperature INDOOR UNIT INLET TEMP INDOOR UNIT H EXC TEMP INDOOR UNIT FILTER USE H Indoor room temperature Heat exchanger temperature Filter operating time 12 340 hours Display C Waiting for response Blinking After approx 10 seconds 1 1 Refrigerant address 00 Twin Refrigerant address 00 Outdoor unit Indoor unit 02 Indoor unit 01 Outdoor unit...

Page 93: ... Indoor heat exchanger temperature 7 Indoor intake air temperature Cool Classification Item Result Inspection Temperature difference Heat Inspection Temperature difference Stable Unstable F F Stable Unstable F F Notes Fixed Hz operation may not be possible under the following tempera ture ranges A In cool mode outdoor intake air temperature is 104 For higher or indoor intake air temperature is 73 ...

Page 94: ...ill take approx 20 minutes 3 The operation data will appear The following value is the reference for the refrigerant volume check If the refrig erant is leaking NG will appear The refrigerant volume check reference value can be changed with the func tion selection Default value RP71 80 RP50 70 Resetting the initial learning data If the unit has been relocated or if refrigerant has been additionall...

Page 95: ...2 03 103 04 104 15 115 16 116 17 117 The setting is applied to all the units in the same refrigerant system 12 1 UNIT FUNCTION SETTING BY THE REMOTE CONTROLLER Each function can be set according to necessity using the remote controller The setting of function for each unit can only be done by the remote controller Select function available from the table 1 1 Functions available when setting the un...

Page 96: ...or an indoor unit in an independent system set the unit number to 01 referring to 4 setting the indoor unit number When setting functions for a simultaneous twin indoor unit system set the unit number to 01 to 03 for each indoor unit in case of selecting different functions for each unit referring to 4 setting the indoor unit number When setting the same functions for an entire simultaneous Twin i...

Page 97: ...Service to make the maintenance setting Maintenance password is required Note The initial maintenance password is 9999 Change the default password as necessary to prevent unauthorized access Have the password available for those who need it If you forget your maintenance password you can initialize the password to the default password 9999 by pressing and holding the F1 and F2 buttons simultaneous...

Page 98: ...ange the setting number with the F3 or F4 button 1 Select Service from the Main menu and press the button Checking the indoor unit No When the button is pressed the target indoor unit will start fan operation If the unit is common or when running all units all indoor units for the selected refrigerant address will start fan operation F1 F2 F3 F4 Function setting Ref address Sending data Grp 5 When...

Page 99: ... and blinks in the unit number display area and the refrigerant address display area also blinks there are no units that corre spondtotheselectedunitnumber Inthiscase therefrigerantaddressandunit number may be incorrect so repeat steps 2 and 3 to set the correct ones When grouping different refrigerant systems if an indoor unit other than the one to which the refrigerant address has been set to pe...

Page 100: ...et 50 Direct the IR wireless remote controller toward the receiver of the indoor unit and press the button 3 Set the unit number Press the TEMP button to set the unit number Press 01 to specify the indoor unit whose unit number is 01 Direct the IR wireless remote controller toward the receiver of the indoor unit and press the button Notes 1 If a unit number that cannot be recognized by the unit is...

Page 101: ...urns the backlight on and it will stay lit for a certain period of time depending on the screen Backlit LCD This lamp lights up in green while the unit is in operation It blinks while the remote controller is starting up or when there is an error ON OFF lamp Main display Press to change the operation mode Main menu Press to move the cursor down Function button F1 Main display Press to decrease tem...

Page 102: ... Lossnay High power Weekly timer Restriction Maintenance Initial setting ON OFF timer Auto Off timer Temp range Operation lock Manual vane angle Main sub Timer Main display Contrast Display details Auto mode Administrator password Language selection Service Input maintenance info Function setting Check Self check Maintenance password Remote controller check Test run Clock Auto descending panel Men...

Page 103: ...to be registered in advance to be displayed Maintenance Auto descending panel Auto descending panel Optional parts Up Down you can do Manual vane angle Use to set the vane angle for each vane to a fixed position Initial setting Main Sub When connecting two remote controllers one of them needs to be designated as a sub controller Clock Use to set the current time Main display Use to switch between ...

Page 104: ...links 2 Press the button F blinks 3 Press the button C blinks 4 Press the set button with something sharp at the end MODEL SELECT is lighted for 3 seconds then turned off AUTO START ON OFF TEMP FAN VANE TEST RUN AUTO STOP AUTO START h min LOUVER MODE CHECK RESET SET CLOCK MODEL SELECT NOT AVAILABLE SWING CHECK FAN TEST RUN F C AMPM STOP START AMPM COOL DRY AUTO FAN HEAT 1 4 1 4 2 2 3 3 OCH577A ...

Page 105: ...t Check with the F1 or F2 button and press the button 2 Set the Refrigerant address and Request code Select the item to be changed with the F1 or F2 button Select the required setting with the F3 or F4 button Ref address setting 0 15 Request code setting Press the button Data will be collected and displayed F1 F2 F3 F4 Request code Request Request Request code Ref address Request code Cursor Ref a...

Page 106: ...it Intake air temperature Unit No 1 Heat mode 4 deg correction Indoor unit Intake air temperature Unit No 2 Heat mode 4 deg correction Indoor unit Intake air temperature Unit No 3 Heat mode 4 deg correction Indoor unit Intake air temperature Unit No 4 Heat mode 4 deg correction Indoor unit Liquid pipe temperature Unit No 1 Indoor unit Liquid pipe temperature Unit No 2 Indoor unit Liquid pipe tempe...

Page 107: ...history 1 latest Outdoor unit Error postponement history 2 previous Outdoor unit Error postponement history 3 last but one 0000 Not connected Examples Ver 5 01 Auxiliary information displayed after version information Examples Ver 5 01 A000 Displays postponement code is displayed if no postponement code is present Displays postponement code is displayed if no postponement code is present Displays ...

Page 108: ...f error Compressor Accumulated operating time at time of error Compressor Number of operation times at time of error Discharge temperature at time of error Outdoorunit Liquidpipe1temperature TH3 attimeoferror Outdoor unit Liquid pipe 2 temperature at time of error Outdoor unit 2 phase pipe temperature TH6 at time of error Outdoor unit Outside air temperature TH7 at time of error Outdoor unit Heats...

Page 109: ... Indoor fan output value Sj value Indoor fan output value Pulsation ON OFF Indoor fan output value duty value Indoor unit Model setting information Indoor unit Capacity setting information Indoor unit SW3 information Wireless pair No indoor control board side setting Indoor unit SW5 information Indoor unit Microprocessor version information Indoor unit Microprocessor version information sub No Sta...

Page 110: ...a A B C D C 4 Relay output state Operation mode Indoor unit Control state Request code 50 Data display Operation mode Display Operation mode 0 STOP FAN C COOL DRY H HEAT d DEFROST Relay output state Display Power currently Compressor Four way valve Solenoid valve supplied to compressor Unit No 4 state Unit No 3 state Unit No 2 state Unit No 1 state Display State 0 Normal 1 Preparing for heat opera...

Page 111: ...V1 Four way valve Compressor 0 1 2 3 4 5 6 7 8 9 A b C d E F ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON Actuator output state 2 Display 52C SV2 SS 0 1 2 3 4 5 6 7 ON ON ON ON ON ON ON ON ON ON ON ON Error content U9 Request code 55 Data display Error content 1 Error content 2 0 0 Error content 1 Detected Display Overvoltage Undervoltage L1 phase...

Page 112: ...ng display Request code 70 Data display Capacity 10 18 9 12 11 24 14 30 20 36 25 42 Outdoor unit Setting information Request code 71 Data display Setting information 1 Setting information 2 0 0 Setting information 1 Display Defrost mode 0 Standard 1 For high humidity Setting information 2 Display Single Heat pump 3 phase cooling only 0 Single phase Heat pump 1 Cooling only 2 3 phase Heat pump 3 Co...

Page 113: ... 1b 3b 1C 3C 1d 3d 1E 3E 1F 3F Indoor unit Capacity setting information Request code 163 Data display 0 0 See the table on the right Display Capacity setting state Display Capacity setting state 00 10 42 01 11 02 12 03 13 04 14 05 15 06 12 16 07 17 08 18 09 18 19 0A 1A 0b 24 1b 0C 1C 0d 30 1d 0E 1E 0F 36 1F Display Pair No setting state 00 No 0 01 No 1 J41 disconnected 02 No 2 J42 disconnected 03 ...

Page 114: ...3 from the rear side and detach the back panel 2 Removing the fan motor 1 Remove the top panel See Photo 1 2 Remove the front panel See Photo 1 3 Remove 1 nut M6 left screw and detach the propeller 4 Disconnect the connector CNF1 on the controller circuit board in the electrical parts box 5 Loosen the clamp for the lead wire in the motor support 6 Remove 4 fan motor fixing screws 4 18 and detach t...

Page 115: ... Thermistor Liquid TH3 Thermistor Suction TH33 3 Removing the electrical parts box 1 Remove the service panel See Photo 1 2 Remove the top panel See Photo 1 3 Remove the front panel See Photo 1 4 Disconnect the indoor outdoor connecting wire from terminal block 5 Remove all the following connectors from controller circuit board fan motor linear expansion valve thermistor Outdoor pipe thermistor Sh...

Page 116: ...rts box See Photo 5 6 Remove the sound proof cover upper for compressor 6 Pull out the thermistor Comp surface TH32 from the holder of the compressor shell 7 Removing the 4 way valve coil 21S4 and linear expansion valve coil LEV A 1 Remove the service panel See Photo 1 2 Remove the top panel See Photo 1 3 Remove the front panel See Photo 1 4 Remove the conduit cover and cord cover 5 Remove the bac...

Page 117: ...e four way valve cover it with a wet cloth to prevent it from heating 250 F or more then braze the pipes so that the inside of pipes are not oxidized Photo 10 Photo 11 10 Removing the high pressure switch 63H 1 Remove the service panel See Photo 1 2 Remove the top panel See Photo 1 3 Remove the front panel See Photo 1 4 Remove the conduit cover and cord cover See Photo 2 5 Remove the back panel Se...

Page 118: ... compressor fixing nuts by using spanner or adjustable wrench 11 Remove the welded pipe of motor for compressor inlet and outlet Note Recover refrigerant without spreading it in the air Accumulator leg fixing screw Accumulator leg 13 Removing the accumulator 1 Remove the service panel See Photo 1 2 Remove the top panel See Photo 1 3 Remove the front panel See Photo 1 4 Remove the conduit cover and...

Page 119: ...op panel See Figure 1 3 Disconnect the indoor outdoor connecting wire from terminal block 4 Remove all the following connectors from controller circuit board fan motor linear expansion valve thermistor Liquid thermistor Comp surface thermistor 2 phase pipe thermistor Ambient high pressure switch 4 way valve and bypass valve Pull out the disconnected wire from the electrical parts box Diagram symbo...

Page 120: ...ce it together with thermistor 2 phase pipe TH6 since they are combined together Refer to No 4 above to remove thermistor 2 phase pipe Photo 6 6 Removing the thermistor Liquid TH3 1 Remove the service panel See Figure 1 2 Disconnect the connector TH3 white on the controller circuit board in the electrical parts box 3 Loosen the clamp for the lead wire in the rear of the electrical parts box See Ph...

Page 121: ...move the 4 way valve coil See Photo 8 7 Recover refrigerant 8 Remove the welded part of 4 way valve Note 1 Recover refrigerant without spreading it in the air Note 2 The welded part can be removed easily by removing the right side panel Note 3 When installing the 4 way valve cover it with a wet cloth to prevent it from heating 250 F or more then braze the pipes so that the inside of pipes are not ...

Page 122: ...arts box Photo 10 Reactor fixing screw 12 Removing the high pressure switch 63H 1 Remove the service panel See Figure 1 2 Remove the top panel See Figure 1 3 Remove the electrical parts box See Photo 3 4 Remove 3 right side panel fixing screws 5 12 in the rear of the unit and remove the right side panel 5 Pull out the lead wire of high pressure switch 6 Recover refrigerant 7 Remove the welded part...

Page 123: ...e Figure 1 2 Remove the top panel See Figure 1 3 Remove 2 front cover panel fixing screws 5 12 and remove the front cover panel See Photo 3 4 Remove 2 back cover panel fixing screws 5 12 and remove the back cover panel 5 Remove the electrical parts box See Figure 1 6 Remove 3 valve bed fixing screws 4 10 4 ball valve and stop valve fixing screws 5 16 then remove the valve bed 7 Remove 3 right side...

Page 124: ... connectors from controller circuit board fan motor linear expansion valve thermistor Liquid thermistor 2 phase pipe thermistor Ambient high pressure switch low pressure switch 4 way valve coil Then remove a screw 4 8 from the valve bed to remove the lead wire Pull out the disconnected wire from the electrical parts box Diagram symbol in the connector housing Fan motor CNF1 CNF2 Linear expansion v...

Page 125: ...d TH33 yellow on the controller circuit board in the electrical parts box 3 Loosen the clamp for the lead wire in the rear of the electrical parts box See Photo 4 4 Pull out the thermistor Liquid TH3 thermistor Comp surface TH32 and thermistor Suction TH33 from the sensor holder Electrical parts box Photo 5 Thermistor Comp surface TH32 Thermistor Liquid TH3 Thermistor Suction TH33 Compressor MC Le...

Page 126: ...ecover refrigerant without spreading it in the air Note 2 The welded part can be removed easily by removing the right side panel Note 3 When installing the 4 way valve cover it with a wet cloth to prevent it from heating 250 F or more then braze the pipes so that the inside of pipes are not oxidized 9 Removing linear expansion valve 1 Remove the service panel See Figure 1 2 Remove the top panel Se...

Page 127: ...ectrical parts box Capacitor CE High pressure switch 63H 10 Removing the high pressure switch 63H 1 Remove the service panel See photo 1 2 Remove the top panel See photo 1 3 Remove 3 right side panel fixing screws 5 12 in the rear of the unit and remove the right side panel 4 Pull out the lead wire of high pressure switch 5 Recover refrigerant 6 Remove the welded part of high pressure switch Note ...

Page 128: ...e Figure 1 3 Remove 2 front cover panel fixing screws 5 12 and remove the front cover panel See Photo 3 4 Remove 2 back cover panel fixing screws 5 12 and remove the back cover panel 5 Remove the electrical parts box See Photo 3 6 Remove 3 valve bed fixing screws 4 10 4 ball valve and stop valve fixing screws 5 16 then remove the valve bed 7 Remove 3 right side panel fixing screws 5 12 in the rear...

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