Gree GMV series

Contents
1 Safety Notices (Please be sure to abide them) ....................................................... 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 ........................................................................................................ 7
4 Installation Instructions ............................................................................................ 8
4.1 Installation of Indoor Unit .................................................................................................. 8
4.2 Pipe Connection ..............................................................................................................10
4.3 Installation and Test of Drain Pipe .................................................................................... 11
4.4 Installation of Air Duct ......................................................................................................15
4.5 Installation of Wired Controller .........................................................................................17
5 Wire Connection ...................................................................................................... 17
5.1 Connection of Wire and Wiring Board Terminal ................................................................18
5.2 Power Cord Connection ...................................................................................................19
5.3 Connection of Communication Line of IDU and ODU .......................................................19
5.4 Connection of Communication Line of Wired Controller ...................................................20
5.5 Instructions on Connecting Wired Controller and IDU Network ........................................21
6 General Maintenance ............................................................................................... 23
6.1 Cleaning of Air Filter ........................................................................................................23
6.2 Maintenance Before Use-season .....................................................................................23
6.3 Maintenance After Use-season ........................................................................................23
7 Malfunction Codes of IDU ....................................................................................... 24
8 Troubleshooting ....................................................................................................... 24