Table Of Contents - Gree Versati III Owner's Manual

Safety Notices (Please be sure to abide ) ................................................................... 1
1. Diagram of the Operating Principle ....................................................................... 10
2. Operating Principle of the Unit ............................................................................... 11
3. Nomenclature........................................................................................................... 12
4. Installation Example ............................................................................................. 13
5. Main Components .................................................................................................. 15
6. Installation Guideline of Monobloc Unit ................................................................ 17
6.1 Instruction to installation .................................................................................................17
6.2 Installation of monobloc unit ...........................................................................................17
7. Installation of Hydraulic Unit .................................................................................. 22
7.1 Available External Static Pressure of Outlet ...................................................................22
7.2 Water volume and expansion vessel pressure ...............................................................22
7.3 The method of calculating the charging pressure of expansion vessel ..........................22
7.4 Selection of expansion vessel .........................................................................................23
8. Remote Air Temperature Sensor ............................................................................ 24
9. Thermostat ............................................................................................................... 25
10. 2-Way Valve ............................................................................................................ 26
11. 3-Way Valve ............................................................................................................ 26
12. Other Thermal ...................................................................................................... 27
13. Optional Electric Heater ........................................................................................ 29
14. Gate-controller ....................................................................................................... 30
15. Charging and Discharging of Refrigerant ........................................................... 30
16. Installation of Insulated Water Tank ................................................................... 31
16.1 Installation measure ......................................................................................................31
16.2 Outline dimension and parameter of water tank ...........................................................33
16.3 Connection of waterway system ...................................................................................34
16.4 Requirements on water quality ....................................................................................35
16.5 Electric wiring work ......................................................................................................35
17. Wring Diagram ....................................................................................................... 37
17.1 Control Board ................................................................................................................37
17.2 Electric Wiring ...............................................................................................................48
18. Commissioning...................................................................................................... 52
18.1 Check before startup .....................................................................................................52
18.2 Test run .........................................................................................................................53
19. Daily Operation and Maintenance ....................................................................... 54
19.1 Recovery .......................................................................................................................55
19.2 Decommissioning ..........................................................................................................55
Contents