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RSH12KHCBN
Fuji Electric RSH12KHCBN - User Manual
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AIR CONDITIONER
Wall mounted type
SERVICE MANUAL
INDOOR
RSH09KHCBN
RSH12KHCBN
RSH14KHCBN
OUTDOOR
ROH09KHCBN
ROH12KHCBN
ROH14KHCBN
SR_AS129EJ_03
2023.12.15
2
Table of Contents
Main Page
General Information
3
Outdoor Unit
9
Installation Space Requirement
11
Exterior Parts
18
Refrigerant System Diagrams
33
Wiring Diagrams
35
Troubleshooting
39
Table of Contents
41
Error Code
43
E: A1. Discharge Temperature Error (Outdoor Unit)
45
E: A3. Compressor Temperature Error (Outdoor Unit)
45
Error Message List
51
Troubleshooting Without Error Code
65
Indoor Unit-No Power
105
Outdoor Unit-No Power
106
No Operation (Power Is On)
107
No Cooling/No Heating
108
Abnormal Noise
110
Ater Leaking
111
Air Cleaner Assy Does Not Work Properly
112
Intake Grille Closing Failure
113
Troubleshooting with Error Code (for Wireless LAN Adapter)
114
E: 18. External Communication Error between Indoor Unit and Wireless LAN Adapter
114
Network Communication Error between Wireless LAN Router and Wireless LAN Adapter
115
E: 18. Communication Error
117
E: 18. →Ireless LAN Adapter Non-Energized
119
Mobile App Setting Method
120
Service Parts Information
122
Inverter Compressor
123
Outdoor Unit Electronic Expansion Valve (EEV)
124
Indoor Unit Fan Motor
126
Outdoor Unit Fan Motor
127
Pressure Switch
127
4-Way Valve Coil (Solenoid Coil)/4-Way Valve
128
Thermistor Resistance Values
129
Indoor Unit
129
Control and Functions
135
Rotation Number Control of Compressor
139
Cooling Operation
139
Heating Operation
141
Dry Operation
142
Rotation Number of Compressor at Normal Start-Up
143
Limitation of Compressor Rotation Number by Outdoor Temperature
144
Auto Changeover Operation
146
Operation Flow Chart
147
Fan Control
148
Indoor Fan Control
148
Fan Operation
148
Cooling Operation
149
Outdoor Fan Control
152
Fan Speed
152
Louver Control
155
Horizontal Louver Control
155
Vertical Louver Control
155
Swing Operation
156
Timer Operation Control
157
On/Off Timer
157
Program Timer
157
Ireless Remote Control
157
Sleep Timer
158
Ired Remote Control
159
Weekly Timer
160
Temperature Setback Timer
161
Defrost Operation Control
162
Defrost Operation in Heating Operation Stopped
163
Various Control
164
Auto Restart
164
MANUAL AUTO Operation
164
Forced Cooling Operation
165
C HEAT Operation
165
ECONOM↔ Operation
165
Powerful Operation
166
Fresh Air Control
166
Compressor Preheating
166
PO→ERFUL Operation
166
External Electrical Heater Control
167
Electronic Expansion Valve Control
167
Prevention to Restart for 3 Minutes (3 Minutes St)
167
4-Way Valve Control
167
Human Sensor for Energy Saving
168
Outdoor Unit Low Noise Operation
168
Base Pan Heater Control
169
Unit Status Monitoring and the Detected Value Indication
170
Various Protections
172
Discharge Gas Temperature Over-Rise Prevention Control
172
Anti-Freezing Control (Cooling and Dry Mode)
172
Current Release Control
173
Compressor Temperature Protection
174
High Pressure Protection
174
Operation
175
Function Settings
179
Function Settings by Using Remote Controller
179
Setting Procedure by Using Wireless Remote Controller
179
Contents of Function Setting
180
Function Setting List
180
Filter Sign
180
Factory Setting
181
Auto Restart
182
Custom Code Setting for Wireless Remote Controller
185
External Input and Output
186
External Input
187
Indoor Unit
187
External Input and Output PCB
188
Input Select
188
Input Signal Type
189
External Output
190
Setting of External Input and Output
192
Details of Control Input Function
193
Operation/Stop Mode
195
Forced Thermostat off
196
Rotary Switch
196
Input Signal
196
Details of Control Output Function
197
Error Status
197
Indoor Unit Fan Operation Status
198
Function Setting
198
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Fuji Electric RSH12KHCBN Specifications
General
Brand
Fuji Electric
Model
RSH12KHCBN
Category
Air Conditioner
Language
English
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