Fujitsu AIRSTAGE ARUH42KUAS Manuals

Manuals and User Guides for Fujitsu AIRSTAGE ARUH42KUAS. We have 1 Fujitsu AIRSTAGE ARUH42KUAS manual available for free PDF download: Service Manual

Fujitsu AIRSTAGE ARUH42KUAS Service Manual (272 pages)

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Brand: Fujitsu | Category: Air Conditioner | Size: 10 MB

General Information
3
Outdoor Unit
13
Rear View
18
Front View
18
Installation Space Requirement
20
Maintenance Space Requirement
21
Control Unit
30
Outdoor Unit
55
Refrigerant System Diagrams
59
Troubleshooting
71
Table of Contents
73
Error Code
75
E: 94.↓. Trip Detection (Outdoor Unit)
76
E: 95.↓. Compressor Motor Control Error (Outdoor Unit)
78
E: 97.↓. Outdoor Unit Fan Motor Error (Outdoor Unit)
78
E: 99.↓. 4-Way Valve Error (Outdoor Unit)
78
E: A1.↓. Discharge Temperature Error (Outdoor Unit)
78
E: A3.↓. Compressor Temperature Error (Outdoor Unit)
78
E: A8.↓. Refrigerant Leakage Sensor Error (Indoor Unit)
78
E: AC.↓. Heat Sink Temperature Error (Outdoor Unit) (24/30/36/42/48 Model)
78
Error Message
81
Error Message List
84
Troubleshooting Without Error Code
143
Indoor Unit-No Power
143
Outdoor Unit-No Power
144
Technical Manual
144
No Operation (Power Is On)
145
No Cooling/No Heating
146
Abnormal Noise
148
Ater Leaking
149
Troubleshooting with Error Code (for Wireless LAN Adapter)
150
Network Communication Error between Wireless LAN Router and Wireless LAN Adapter
151
E: 18.↓. Communication Error
153
E: 18.↓. →Ireless LAN Adapter Non-Energized
155
Mobile App Setting Method
156
Service Parts Information
158
Compressor
158
Inverter Compressor
159
Outdoor Unit Electronic Expansion Valve (EEV)
161
Indoor Unit Fan Motor
165
Outdoor Unit Fan Motor
166
Pressure Switch
166
4-Way Valve Coil (Solenoid Coil)/4-Way Valve
167
Thermistor Resistance Values
168
Indoor Unit
168
Outdoor Unit
169
Control and Functions
175
Rotation Number Control of Compressor
177
Cooling Operation
177
Heating Operation
179
Dry Operation
180
Rotation Number of Compressor at Normal Start-Up
181
Limitation of Compressor Rotation Number by Outdoor Temperature
184
Auto Changeover Operation
188
Operation Flow Chart
189
Fan Control
190
Indoor Fan Control
190
Fan Operation
190
Cooling Operation
190
Outdoor Fan Control
193
Fan Speed
193
Timer Operation Control
198
On/Off Timer
198
Program Timer
198
Ireless Remote Control
198
Sleep Timer
199
Ired Remote Control
200
Weekly Timer
201
Temperature Setback Timer
202
Defrost Operation Control
203
Defrost Operation in Heating Operation Stopped
204
Various Control
205
Auto Restart
205
MIN. HEAT Operation
205
ECONOMY Operation
205
Fresh Air Control
205
Compressor Preheating Operation
206
External Electrical Heater Control
207
Electronic Expansion Valve Control
207
Drain Pump Control
208
Overflow Control
209
Prevention to Restart for 3 Minutes (3 Minutes St)
210
4-Way Valve Control
210
Peak Cut Operation (for 24/30/36/42/48 Model)
210
Unit Status Monitoring and the Detected Value Indication
211
Various Protections
214
Discharge Gas Temperature Over-Rise Prevention Control
214
Anti-Freezing Control (Cooling and Dry Mode)
214
Current Release Control
215
Compressor Temperature Protection
217
High Pressure Protection (for 24/30/36/42/48 Model)
217
Low Outdoor Temperature Protection
217
High Temperature and High Pressure Release Control
218
Operation
218
Function Settings (for Indoor Unit)
223
Function Settings on Indoor Unit
223
Component Location
223
Dip Switch Setting
223
Function Settings by Using Remote Controller
224
Contents of Function Setting
224
Function Setting List
224
Auto Restart
227
Function Settings (for 24-48 Outdoor Units)
234
Control PCB and Switch Buttons Location
234
Switch Buttons and the Functions
235
Local Setting Procedure
236
Peak Cut Mode
237
External Input and Output (for Indoor Unit)
238
External Input
239
Input Signal Type
240
External Output
241
Setting of External Input and Output
242
Details of Control Input Function
244
Operation/Stop Mode
246
Forced Thermostat off
247
Rotary Switch
247
Input Signal
247
Details of Control Output Function
248
Error Status
248
Indoor Unit Fan Operation Status
249
Function Setting
249
External Heater Output
250
Operation
251
Auxiliary Heater Control
253
Heating Thermostat on for Humidifier
268
External Input and Output (for 24-48 Outdoor Units)
269
External Input
269
Low Noise Mode
269
External Output
271
Error Status Output
271
Compressor Status Output
272

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