
II
2.6 Control to the Fan....................................................................................................................... 40
2.7 Control to the 4-way Valve.......................................................................................................... 40
2.8 Control to the Water Pump......................................................................................................... 40
2.9 Control the Electrostatic Expansion Valve.................................................................................. 40
2.10 Protection Control..................................................................................................................... 40
3 Controller............................................................................................................................................... 41
3.1 General........................................................................................................................................ 41
3.2 Operation Instructions................................................................................................................. 45
3.3 Intelligent Control........................................................................................................................ 75
UNIT INSTALLATION.............................................................................................................................. 87
1. Installation Guides................................................................................................................................ 88
1.1 Installation Position..................................................................................................................... 89
1.2 Matters Need Attention............................................................................................................... 89
2 Filed Supplied Pipes and Valves........................................................................................................... 90
3 Service Tools......................................................................................................................................... 91
4 Instalaltion Instructions.......................................................................................................................... 92
4.1 Installation Examples.................................................................................................................. 92
4.2 Pre-Installation............................................................................................................................ 94
4.3 Selection of Installation Location................................................................................................ 95
4.4 Outline Dimension of Outdoor Unit............................................................................................. 96
4.5 Installation of Outdoor Unit ......................................................................................................... 98
4.6 Installation of Indoor Unit.......................................................................................................... 102
4.7 Connection of Pipeline..............................................................................................................110
4.8 Installation of Water Tank......................................................................................................... 112
4.9 Requirements on water quality.................................................................................................116
4.10 Electric Wiring.........................................................................................................................117
4.11 Wiring of the Terminal Board.................................................................................................. 119
4.12 Wiring of the 2-Way Valve ...................................................................................................... 120
4.13 Wiring of Other Thermal..........................................................................................................120
4.14 Wiring of the Gate-Controller.................................................................................................. 122
4.15 Wiring of the Remote Air Temperature Sensor......................................................................122
4.16 Wiring of the Thermostat.........................................................................................................124
4.17 Wiring of the Control............................................................................................................... 124
5 Commissioning and Trial Run.............................................................................................................125
5.1 Check before startup................................................................................................................. 125
5.2 Test run..................................................................................................................................... 126
TEST OPERATION & TROUBLESHOOTING & MAINTENANCE.......................................................128
1 Trial Run..............................................................................................................................................129
1.1 Check for Wiring........................................................................................................................129
1.2 Check for the Water System.....................................................................................................129
1.3 Check for the Communication System .....................................................................................129
1.4 Trial Run....................................................................................................................................129
2 Error Code List....................................................................................................................................129
3 Flow Chart of Troubleshooting............................................................................................................132
3.1 Comp High-pressure Protection E1.......................................................................................... 132
3.2 Comp Low- pressure Protection E3.......................................................................................... 133