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General ARXG45KHTB
Fujitsu General ARXG45KHTB User Manual
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AIR CONDITIONER
Duct type
SERVICE MANUAL
INDOOR
ARXG45KHTB
ARXG54KHTB
OUTDOOR
AOHG45KRTA
AOHG54KRTA
SR_AR040EG_03
2022.04.07
2
Table of Contents
Contents (Continued)
35
Table of Contents
35
E: 11. Serial Communication Error (Serial Reverse Transfer Error) (Outdoor Unit)
41
E: 11. Serial Communication Error (Serial Forward Transfer Error) (Indoor Unit)
43
E: 12. Wired Remote Controller Communication Error (Indoor Unit)
45
E: 23. Combination Error (Outdoor Unit)
46
E: 32. Indoor Unit Main PCB Error (Indoor Unit)
47
E: 41. Room Temperature Sensor Error (Indoor Unit)
48
E: 42. Indoor Unit Heat Exchanger Sensor Error (Indoor Unit)
49
E: 53. Drain Pump Error (Indoor Unit)
50
E: 62. Outdoor Unit Main PCB Error (Outdoor Unit)
51
E: 63. Inverter Error (Outdoor Unit)
52
E: 64. PFC Circuit Error (Outdoor Unit)
53
E: 65. Trip Terminal L Error (Outdoor Unit)
54
E: 71. Discharge Thermistor Error (Outdoor Unit)
55
E: 72. Compressor Thermistor Error (Outdoor Unit)
56
E: 73. Heat Exchanger (Middle/Outlet) Temperature Thermistor Error (Outdoor Unit)
57
E: 74. Outdoor Temperature Thermistor Error (Outdoor Unit)
58
E: 77. Heat Sink Thermistor Error (Outdoor Unit)
59
E: 84. Current Sensor Error (Outdoor Unit)
60
E: 86. Pressure Sensor Error (Outdoor Unit)
61
E: 94. Trip Detection (Outdoor Unit)
62
E: 95. Compressor Motor Control Error (Outdoor Unit)
63
E: 97. Outdoor Unit Fan Motor Error (Outdoor Unit)
64
E: 99. 4-Way Valve Error (Outdoor Unit)
65
Inverter Compressor
80
Outdoor Unit Electronic Expansion Valve (EEV)
81
Indoor Unit Fan Motor
83
Outdoor Unit Fan Motor
84
Pressure Switch
85
4-Way Valve Coil (Solenoid Coil)/4-Way Valve
86
Discharge Pressure Sensor
87
Indoor Unit
88
Thermistor Resistance Values
88
Outdoor Unit
89
4. Control and Functions
94
Cooling Operation
95
Rotation Number Control of Compressor
95
Dry Operation
96
Heating Operation
96
Rotation Number of Compressor at Normal Start-Up
97
Rotation Number of Compressor Limitation by Outdoor Temperature
98
Auto Changeover Operation
100
Fan Control
102
Indoor Fan Control
102
Outdoor Fan Control
104
Timer Operation Control
105
Wireless Remote Control
105
Wired Remote Control
107
Defrost Operation Control
110
Defrost Operation in Heating Operation Stopped
111
Auto Restart
112
C HEAT Operation
112
ECONOMY Operation
112
Fresh Air Control
112
Various Control
112
Compressor Preheating
113
Electronic Expansion Valve Control
113
External Electrical Heater Control
113
Drain Pump Control
114
4-Way Valve Control
116
Peak Cut Operation
116
Prevention to Restart for 3 Minutes (3 Minutes St)
116
Outdoor Unit Low Noise Operation
117
Unit Status Monitoring and the Detected Value Indication
118
Anti-Freezing Control (Cooling and Dry Mode)
122
Discharge Gas Temperature Over-Rise Prevention Control
122
Various Protections
122
Current Release Control
123
Indoor Unit Fan Motor over Temperature Protection
123
Compressor Temperature Protection
124
High Pressure Protection
124
Low Outdoor Temperature Protection
124
High Temperature and High Pressure Release Control
125
5. Filed Working
128
Function Settings (for Indoor Unit)
129
Function Settings on Indoor Unit
129
Function Settings by Using Remote Controller
130
Control PCB and Switch Buttons Location
135
Function Settings (for Outdoor Unit)
135
Local Setting Procedure
137
External Input and Output (for Indoor Unit)
139
External Input
140
External Output
142
Setting of External Input and Output
143
Details of Control Input Function
144
Details of Control Output Function
148
External Input
151
External Input and Output (for Outdoor Unit)
151
External Output
153
4
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Fujitsu General ARXG45KHTB Specifications
General
Brand
Fujitsu
Model
General ARXG45KHTB
Category
Air Conditioner
Language
English
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