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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 ................................................................................................................. 3

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 .................................................. 9

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

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

5 Wiring Work .......................................................................................................................16

5.1Connection 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 ......................... 18

6 Setting of External Static Pressure ....................................................................................20

7 Routine Maintenance.........................................................................................................20

7.1 Cleaning of Filter ............................................................................................................... 20

7.2 Maintenance before the Seasonal Use ............................................................................ 20

7.3 Maintenance after the Seasonal Use................................................................................ 20

8 Table of Error Codes for Indoor Unit ..................................................................................21

9 Troubleshooting .................................................................................................................21

Gree GMV-ND22PHS/B-T User Manual

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