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Contents

1 Safety Notices (Please be sure to abide) ................................................................. 1

2 Product Introduction ................................................................................................. 3

2.1 Names of Key Components ................................................................................................. 3

2.2 Rated Working Condition ..................................................................................................... 3

3 Preparations for Installation ..................................................................................... 3

3.1 Standard Fittings ................................................................................................................. 4

3.2 Location for Installation ........................................................................................................ 4

3.3 Requirements for Communication Line ............................................................................... 5

3.4 Wiring Requirements ........................................................................................................... 6

4 Installation Instructions ............................................................................................ 7

4.1 Installation of Indoor Unit ..................................................................................................... 7

4.2 Refrigerant Pipe Connection ............................................................................................... 9

4.3 Drainage Pipe Installation and Drainage System Testing .................................................. 10

4.4 Installation of Air Duct ........................................................................................................ 13

4.5 Installation of Wired Controller .......................................................................................... 15

5 Wiring Work .............................................................................................................. 15

5.1 Connection of Wire and Patch Board Terminal .................................................................. 16

5.2 Power Cord Connection .................................................................................................... 17

5.3 Connection of Communication Wire between Indoor Unit and Outdoor Unit (or indoor unit)

................................................................................................................................................. 17

5.4 Connect Communication Wire of Wired Controller ............................................................ 18

5.5 Illuminate for Connection of Wired Controller and Indoor Units Network .......................... 19

6 Setting of External Static Pressure ........................................................................ 21

7 Routine Maintenance ............................................................................................... 21

7.1 Cleaning of Filter ............................................................................................................... 21

7.2 Maintenance before the Seasonal Use ............................................................................. 21

7.3 Maintenance after the Seasonal Use ................................................................................ 22

8 Table of Error Codes for Indoor Unit ...................................................................... 22

9 Troubleshooting ....................................................................................................... 23

Gree GMV-ND112PHS/B-T User Manual

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