Fujitsu ADUH18LUAS1

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7. Wiring diagrams

7-1. Indoor unit

Models: ADUH09LUAS1, ADUH12LUAS1, and ADUH18LUAS1

7-1. Indoor unit - (02-24) - 7. →iring diagrams

TECHNICAL DATA

AND PARTS LIST

TECHNICAL DATA

AND PARTS LIST

Main Page

Table of Contents51
E: 11. Serial Communication Error (Serial Reverse Transfer Error) (Outdoor Unit)55
E: 11. Serial Communication Error (Serial Forward Transfer Error) (Indoor Unit)57
E: 12. →Ired Remote Controller Communication Error (Indoor Unit)59
E: 18. External Communication Error (Indoor Unit)60
E: 23. Combination Error (Outdoor Unit)61
E: 26. Address Setting Error in Wired Remote Controller (Indoor Unit)62
E: 29. Connected Unit Number Error (Indoor Unit)63
E: 32. Indoor Unit Main PCB Error (Indoor Unit)64
E: 33. Indoor Unit Motor Electricity Consumption Detection Error (Indoor Unit)65
E: 39. Indoor Unit Power Supply Error for Fan Motor (Indoor Unit)66
E: 41. Room Temperature Sensor Error (Indoor Unit)68
E: 42. Indoor Unit Heat Exchanger Sensor Error (Indoor Unit)69
E: 51. Indoor Unit Fan Motor Error (Indoor Unit)70
E: 53. Drain Pump Error (Indoor Unit)71
E: 62. Outdoor Unit Main PCB Error (Outdoor Unit)72
E: 63. Inverter Error (Outdoor Unit)73
E: 64. PFC Circuit Error (Outdoor Unit)74
E: 65. IPM Error (Outdoor Unit)75
E: 71. Discharge Thermistor Error (Outdoor Unit)77
E: 73. Outdoor Unit Heat Exchanger Thermistor Error (Outdoor Unit)78
E: 74. Outdoor Temperature Thermistor Error (Outdoor Unit)79
E: 84. Current Sensor Error (Outdoor Unit)80
E: 94. Trip Detection (Outdoor Unit)81
E: 95. Compressor Motor Control Error (Outdoor Unit)82
E: 97. Outdoor Unit Fan Motor Error (Outdoor Unit)83
E: 99. 4-Way Valve Error (Outdoor Unit)84
Compressor95
Inverter Compressor96
Outdoor Unit Electronic Expansion Valve (EEV)99
Indoor Unit Fan Motor101
Outdoor Unit Fan Motor102
IPM on Transistor PCB104
Thermistor Resistance Values106
Indoor Unit106
Outdoor Unit107
Compressor Frequency Control113
Cooling Operation113
Heating Operation115
Dry Operation116
Compressor Frequency at Normal Start-Up117
Compressor Frequency Limitation by Outdoor Temperature118
Auto Changeover Operation120
Fan Control122
Indoor Fan Control122
Outdoor Fan Control125
Timer Operation Control128
Ireless Remote Control128
Ired Remote Control130
Defrost Operation Control133
Defrost Operation in Heating Operation Stopped134
Various Control135
Auto Restart135
MIN. HEAT Operation135
ECONOMY Operation135
Fresh Air Control135
Compressor Preheating136
External Electrical Heater Control136
Electronic Expansion Valve Control136
Drain Pump Control137
Prevention to Restart for 3 Minutes (3 Minutes St)138
4-Way Valve Control138
Unit Status Monitoring and the Detected Value Indication139
Various Protections141
Discharge Gas Temperature Over-Rise Prevention Control141
Anti-Freezing Control (Cooling and Dry Mode)141
Current Release Control142
Indoor Unit Fan Motor over Temperature Protection143
Compressor Temperature Protection (for 12/18 Model)143
Low Outdoor Temperature Protection143
High Temperature and High Pressure Release Control144

Fujitsu ADUH18LUAS1 - Page 42

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