4.13 Wiring of the Remote Air Temperature Sensor ...........................................................134
4.14 Wiring of the Thermostat .............................................................................................135
4.15 Wiring of the Control ...................................................................................................136
5 Commissioning and Trial Run ............................................................................... 137
5.1 Check before startup .....................................................................................................137
5.2 Trial run .........................................................................................................................138
TEST OPERATION & TROUBLESHOOTING & MAINTENANCE .............................139
1 Precheck..................................................................................................................139
1.1 Check for Wiring ...........................................................................................................139
1.2 Check for the Water System .........................................................................................139
1.3 Check for the Communication System ..........................................................................139
1.4 Trial Run ........................................................................................................................139
2 Error Code List .......................................................................................................139
3 Flow Chart of Troubleshooting ............................................................................. 141
3.1 Compressor High-pressure Protection E1 ....................................................................141
3.2 Commpressor Low- pressure Protection E3 .................................................................142
3.3 Compressor Discharge Temp Protection E4 .................................................................142
3.4 Overload Protection of Compressor or Driver Error ......................................................143
3.5 DC Fan Error EF ...........................................................................................................143
3.6 Temperature Sensor Error ............................................................................................144
3.7 Communication Malfunction E6 ....................................................................................144
3.8 Capacity Switch Error (Code:"C5") ...............................................................................145
4 Diagnosis of Drive .................................................................................................. 145
4.1 Diagnosis Flowchart of Drive of Single-phase Unit and Three-phase Unit ...................145
5 Daily Maintenance and Repair...............................................................................149
5.1 Daily Maintenance ........................................................................................................149
5.2 Troubleshooting ............................................................................................................149
5.3 Repair ...........................................................................................................................150