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Contents

1 Safety Notices............................................................................................................ 1

2 General Introduction.................................................................................................. 6

2.1 Product Features ................................................................................................. 7

2.2 Principle Diagrams .............................................................................................. 8

3 Operation Range ....................................................................................................... 8

4 Outline Dimensions ................................................................................................... 9

5 Installation Instructions............................................................................................ 10

5.1 Pre-check........................................................................................................... 10

5.2 Acceptance Check............................................................................................. 10

5.3 Handling and Lifting ............................................................................................11

5.4 Installation Foundation and Service Space....................................................... 12

5.5 Vibration Reduction ........................................................................................... 13

5.6 Installation of the Water System........................................................................ 14

6 Introduction to the Display Panel............................................................................. 16

7 Electric Wiring.......................................................................................................... 16

7.1 External Wiring of the Electric Control Cabinet ................................................. 16

7.2 Specification of Power Cord and Air Switch ...................................................... 17

7.3 Wiring of the Electric Control Cabinet................................................................ 18

7.4 Filed Wiring........................................................................................................ 18

7.5 Networking and Wiring between Units .............................................................. 20

7.6 Setup of Toggle Switches on the Motherboard.................................................. 21

7.7 Jumpers ............................................................................................................. 22

8 Commissioning and Maintenance ........................................................................... 23

8.1 Check before Startup......................................................................................... 23

8.2 Requirements on Water Quality and Cleaning .................................................. 23

8.3 Trial Run ............................................................................................................ 25

8.4 Routine Startup/Shutdown ................................................................................ 25

8.5 Maintenance to the Main Parts.......................................................................... 26

8.6 Maintenance during Long-term Downtime ........................................................ 26

8.7 Startup after Long-term Shutdown .................................................................... 26

8.8 Parts Replacement ............................................................................................ 26

8.9 Refrigerant Charging ......................................................................................... 27

8.10 Removal of the Compressor............................................................................ 27

8.11 Freeze Protection............................................................................................. 28

Gree A Series Installation, Start-Up And Maintenance Manual

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