3. 2.6 Key Lock ........................................................................................................... 77
Unit Installation .......................................................................................................................... 79
1. Installation Guides ................................................................................................................. 79
1.1 Installation Positions of the outdoor unit ....................................................................... 80
1.2 Installation Positions of the indoor unit ......................................................................... 80
1.3 Matters Need Attention ................................................................................................. 80
2 Filed Supplied Pipes and Valves ............................................................................................ 80
3 Service Tools ......................................................................................................................... 82
4 Instalaltion Instructions ........................................................................................................... 83
4.1 Installation Examples ................................................................................................... 83
4.2 Pre-Installation ............................................................................................................. 84
4.3 Selection of Installation Location .................................................................................. 84
4.4 Outline Dimension of Outdoor Unit ............................................................................... 85
4.5 Installation Clearance Data .......................................................................................... 87
4.6 Outline Dimension of Indoor Unit .................................................................................. 87
4.7 Installation Clearance Data .......................................................................................... 88
4.8 Installation of Water Tank ............................................................................................. 88
4.9 Electric Wiring .............................................................................................................. 91
4.10 Wiring of the Terminal Board ...................................................................................... 94
4.11 Wiring of the 2-Way Valve .......................................................................................... 96
4.12 Wiring of the3-Way Valve ........................................................................................... 97
4.13 Wiring of Other Auxiliary Heat Sources ...................................................................... 98
4.14 Wiring of the Gate-Controller ...................................................................................... 98
4.15 Wiring of the Remote Air Temperature Sensor ........................................................... 99
4.16 Wiring of the Thermostat .......................................................................................... 100
4.17 Wiring of the Control ................................................................................................. 102
5 Commissioning and Trial Run............................................................................................... 104
5.1 Check before startup .................................................................................................. 104
5.2 Test run ...................................................................................................................... 105
Test Operation & Troubleshooting & Maintenance .................................................................. 107
1 Trial Run .............................................................................................................................. 107
1.1 Check for Wiring ......................................................................................................... 107
1.2 Check for the Water System ....................................................................................... 107
1.3 Check for the Communication System ........................................................................ 107
1.4 Trial Run .................................................................................................................... 108
2 Error Code List ..................................................................................................................... 108
3 Flow Chart Of Troubleshooting ............................................................................................. 110
3.1 Comp High-pressure Protection E1 .......................................................................... 110
3.2 Comp Low- pressure Protection E3 ......................................................................... 111
3.3 Comp Discharge Temp Protection E4 ........................................................................ 112
3.4 Overload Protection of Compressor or Driver Error .................................................... 113
3.5 DC Fan Error EF ........................................................................................................ 114
3.6 Temperature Sensor Error .......................................................................................... 114
3.7 Communication Malfunction E6 .................................................................................. 115
3.8 Capacity Switch Error (Code:"C5") ............................................................................. 116
4 Diagnosis of Driving ............................................................................................................. 116
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