1.1 Control Principle Diagram ...............................................................................................62
1.2 Control Flowchart ............................................................................................................65
2 Main Control Logics ................................................................................................. 65
2.1 Cooling ............................................................................................................................65
2.2 Heating ............................................................................................................................66
2.3 Water Heating ...............................................................................................................66
2.4 Shutdown ........................................................................................................................67
2.5 Control to the Compressor ..............................................................................................67
2.6 Control to the Fan ...........................................................................................................67
2.7 Control to the 4-way Valve ..............................................................................................67
2.8 Control to the Water Pump .............................................................................................67
2.9 Control the Electronic Expansion Valve ..........................................................................67
2.10 Protection Control .........................................................................................................68
3 Control Panel ............................................................................................................68
3.1 General ...........................................................................................................................68
3.2 Operation Instructions .....................................................................................................71
3.3 Intelligent Control ...........................................................................................................98
UNIT INSTALLATION .................................................................................................106
1 Installation Guides .................................................................................................106
1.1 Installation Position ......................................................................................................106
1.2 Matters Need Attention .................................................................................................107
2 Field Supplied Pipes and Valves ........................................................................... 107
3 Service Tools ..........................................................................................................108
4 Installation Instructions ......................................................................................... 109
4.1 Installation Examples ....................................................................................................109
4.2 Pre-Installation ..............................................................................................................109
4.3 Selection of Installation Location ..................................................................................110
4.4 Installation of Outdoor Unit ...........................................................................................110
4.5 Installation of Indoor Unit ..............................................................................................116
4.6 Connection of Pipeline ..................................................................................................122
4.7 Requirements on water quality .....................................................................................124
4.8 Electric Wiring ...............................................................................................................125
4.9 Wiring of the Terminal Board ........................................................................................130
4.10 Wiring of the 2-Way Valve ...........................................................................................132
4.11 Wiring of Other Thermal ..............................................................................................133
4.12 Wiring of the Gate-Controller ......................................................................................134
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