2.6 Control to the Fan....................................................................................................................... 39
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................................................................................................................. 43
3.3 Intelligent Control........................................................................................................................ 70
UNIT INSTALLATION.............................................................................................................................. 82
1. Installation Guides................................................................................................................................ 83
1.1 Installation Position..................................................................................................................... 84
1.2 Matters Need Attention............................................................................................................... 84
2 Filed Supplied Pipes and Valves........................................................................................................... 85
3 Service Tools......................................................................................................................................... 86
4 Instalaltion Instructions.......................................................................................................................... 87
4.1 Installation Examples.................................................................................................................. 87
4.2 Pre-Installation............................................................................................................................ 89
4.3 Selection of Installation Location................................................................................................ 90
4.4 Outline Dimension of Outdoor Unit............................................................................................. 91
4.5 Installation of Monobolc Unit....................................................................................................... 92
4.6 Installation of Hydraulic Unit....................................................................................................... 93
4.7 Installation of Water Tank........................................................................................................... 96
4.8 Request of water quality ............................................................................................................. 99
4.9 Electric Wiring...........................................................................................................................100
4.10 Wiring of the Terminal Board.................................................................................................. 101
4.11 Wiring of the 2-Way Valve ...................................................................................................... 103
4.12 Wiring of the 3-Way Valve ...................................................................................................... 103
4.13 Wiring of Other Thermal.......................................................................................................... 104
4.14 Wiring of Optional Electric Heater........................................................................................... 106
4.15 Wiring of the Gate-Controller..................................................................................................107
4.16 Wiring of the Remote Air Temperature Sensor...................................................................... 108
4.17 Wiring of the Thermostat......................................................................................................... 109
4.18 Wiring of the Control...............................................................................................................109
5 Commissioning and Trial Run.............................................................................................................110
5.1 Check before startup................................................................................................................. 110
5.2 Test run.....................................................................................................................................111
TEST OPERATION & TROUBLESHOOTING & MAINTENANCE.......................................................113
1 Trial Run..............................................................................................................................................114
1.1 Check for Wiring........................................................................................................................ 114
1.2 Check for the Water System.....................................................................................................114
1.3 Check for the Communication System ..................................................................................... 114
1.4 Trial Run....................................................................................................................................114
2 Error Code List.................................................................................................................................... 114
3 Flow Chart of Troubleshooting............................................................................................................ 117
3.1 Comp High-pressure Protection E1.......................................................................................... 117