Hisense AVWT-192FFFH User Manual

V
5.3 Electrical Wiring Connection 93
5.4 DIP Switch Setting of Outdoor Unit 97
6. Additional Refrigerant Charge 100
6.1 Air-Tight Test 100
6.2 Vacuuming 100
6.3 Charging Operation 101
7. Test Run 102
7.1 Before Test Run 102
7.2 Test Run 103
SERVICE
1. Troubleshooting 105
1.1 Initial Troubleshooting 105
1.1.1 Checking of Electrical Wiring and Power Supply 105
1.1.2 Checking of Rotary Switch and Dip Switch Setting 105
1.1.3 Checking by 7-Segment Display 107
1.1.4 Checking of Alarm Code History 108
1.1.5 Emergency Operation 111
1.1.6 Failure of Power Supply to Indoor Unit and Remote Control Switch 114
1.1.7 Abnormal Transmission between Remote Control Switch and Indoor Unit 115
1.1.8 Abnormalities of Devices 116
1.2 Troubleshooting Procedure 124
1.2.1 Alarm Code Table 124
1.2.2 Troubleshooting by Alarm Code 126
1.2.3 Troubleshooting in Check Mode by Remote Control Switch 186
1.2.3.1 Check Mode 186
1.2.3.2 Alarm History Display 192
1.2.4 Troubleshooting by 7-Segment Display 193
1.2.5 Function of RSW, DSWs and LEDs 201
2. Servicing 211
2.1 Removing Front Service Cover 211
2.2 Attaching Front Service Cover 212
2.3 Removing Top Cover 213
2.4 Removing Shroud 214
2.5 Removing Electrical Box Cover 215
2.6 Removing Electrical Box 216
2.7 Removing E-Box Stay 217
2.8 Removing Air Grille 218
2.9 Removing Outdoor Fan 219
2.10 Removing Compressor 221
2.11 Replacing Refrigerant Oil 231
2.11.1 Replacing Refrigerant Oil (No Clogging in Return Oil Circuit) 231
2.11.2 Replacing Refrigerant Oil (Clogging in Return Oil Circuit) and Replacing Return Oil Circuit 232
2.12 Removing Coils 235
2.12.1 Removing Expansion Valve Coil (MV5, EVB, EVO1, EVO2) 237
2.12.2 Removing Solenoid Valve Coil (SVA, SVC, SVG, SVJ, SVS)
、
238
2.12.3 Removing Solenoid Valve (SVA ,SVC,SVG,SVJ and SVS) 239
2.12.4 Removing Reversing Valve Coil (RVR1, RVR2) 240
2.12.5 Removing Reversing Valve 241
2.13 Removing Stop Valve 243
2.14 Removing High Pressure Switch, High Pressure Sensor, Low Pressure Sensor and Thermistor 244
2.14.1 Removing High Pressure Switch (PSH1 and PSH2) 246
2.15 Removing Thermistor for Liquid Pipe 247
2.16 Removing Thermistor for Ambient Temperature 248
2.17 Removing Other Electrical Components 249
2.17.1 Removing Outdoor Unit PCB and Electrical Components for Electrical Box 250
2.17.2 Removing Inverter PCB 253
2.17.3 Mount the electrical box in the reverse procedure. 254
2.18 Removing Components for Switch Box 255

Hisense AVWT-192FFFH Specifications

General

Brand	Hisense
Model	AVWT-192FFFH
Category	Air Conditioner
Language	English