Table Of Contents - Gree Versati III GRS-CQ4.0PdG/NhH2-E Owner's Manual

Safety Notices (Please be sure to abide ) ................................................................... 1
1. Diagram of the Operating Principle ......................................................................... 8
2. Operating Principle of the Unit ................................................................................. 8
3. Nomenclature........................................................................................................... 10
4. Installation Example ............................................................................................. 11
5. Main Components .................................................................................................. 12
5.1 Indoor unit .......................................................................................................................12
5.2 Outdoor unit ..................................................................................................................13
6. Installation Guideline of Outdoor Unit ................................................................... 15
6.1 Instruction to installation ................................................................................................15
6.2 Installation of outdoor unit ...............................................................................................15
7. Installation of Indoor Unit ....................................................................................... 18
7.1 Select installation location of indoor unit ........................................................................18
7.2 Space requirements for installation .................................................................................19
7.3 Outline dimension of indoor unit ...................................................................................19
7.4 Precautions on installation of indoor unit ........................................................................20
7.5 Water volume and pump capacity (with pump) ...............................................................21
7.6 Water volume and expansion vessel pressure ...............................................................22
7.7 The method of calculating the charging pressure of expansion vessel ..........................22
7.8 Selection of expansion vessel .........................................................................................23
8. Connection of Pipelines .......................................................................................... 24
8.1 Connection of outlet pipe for indoor & outdoor unit ........................................................24
8.2 Installation of protective layer on connection pipe .........................................................24
9. Remote Air Temperature Sensor ............................................................................ 26
10. Thermostat ............................................................................................................. 27
11. 2-Way Valve ............................................................................................................ 27
12. 3-Way Valve ............................................................................................................ 28
13. Other Auxiliary Heat Sources ............................................................................. 28
14. Gate-controller ....................................................................................................... 29
15. Charging and Discharging of Refrigerant ........................................................... 29
16. Refrigerant Collecting ........................................................................................... 30
17. Handling of the Unit .............................................................................................. 31
18. Wring Diagram ....................................................................................................... 32
18.1 Control Board ................................................................................................................32
Contents