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

Air-to-water heat pump all in one

Table of Contents

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 ................................................................... 14

6.1 Instruction to installation ................................................................................................14

6.2 Installation of outdoor unit ...............................................................................................14

7. Installation of Indoor Unit ....................................................................................... 16

7.1 Select installation location of indoor unit ........................................................................16

7.2 Space requirements for installation .................................................................................16

7.3 Outline dimension of indoor unit ...................................................................................17

7.4 Precautions on installation of indoor unit ........................................................................17

7.5 Water volume and pump capacity (with pump) ...............................................................18

7.6 Water volume and expansion vessel pressure ...............................................................19

7.8 Selection of expansion vessel .........................................................................................20

8. Connection of Pipelines .......................................................................................... 21

8.1 Connection of outlet pipe for indoor & outdoor unit ........................................................21

8.2 Installation of protective layer on connection pipe .........................................................21

9. Remote Air Temperature Sensor ............................................................................ 23

10. Thermostat ............................................................................................................. 24

11. 2-Way Valve ............................................................................................................ 24

12. 3-Way Valve ............................................................................................................ 25

13. Other Auxiliary Heat Sources ............................................................................. 25

14. Gate-controller ....................................................................................................... 26

15. Charging and Discharging of Refrigerant ........................................................... 26

16. Refrigerant Collecting ........................................................................................... 27

17. Handling of the Unit .............................................................................................. 28

18. Wring Diagram ....................................................................................................... 29

18.1 Control Board ................................................................................................................29

Contents

Table of Contents