Contents
1 Safety Precautions .................................................................................................. 1
2 Product Introduction ................................................................................................ 3
2.1 Names of Key Components ............................................................................................... 3
2.2 Rated Working Condition ................................................................................................... 3
2.3 Unit Functions ................................................................................................................... 3
3 Preparations for Installation ..................................................................................... 4
3.1 Standard Fittings................................................................................................................ 4
3.2 Location for Installation ...................................................................................................... 5
3.3 Requirements for Communication Line ............................................................................. 5
3.3.1 Select communication line for indoor unit and wired controller ................................ 5
3.3.2 Select communication line for indoor unit and outdoor unit ..................................... 6
3.4 Wiring Requirements ......................................................................................................... 7
4 Installation Instructions ............................................................................................ 8
4.1 Installation of Indoor Unit ................................................................................................... 8
4.1.1 Outline Dimension and Installation Spots ................................................................ 8
4.2 Refrigerant Pipe Connection ........................................................................................... 10
4.3 Drainage Pipe Installation and Drainage System Testing ................................................ 11
4.3.1 Notice for Installation of Drain Pipe ....................................................................... 11
4.3.2 Drainage pipe installation ...................................................................................... 11
4.3.3 Test of Drainage System ....................................................................................... 13
4.4 Installation of Air Duct ......................................................................................................
13
4.4.1 Installation of Air-out Duct ...................................................................................... 13
4.4.2 Shape and Size of Air Outlet and Air-return Opening ............................................ 14
4.4.3 Installation of the Return Air Duct .......................................................................... 15
4.5 Installation of Wired Controller......................................................................................... 15
5 Wiring Work ........................................................................................................... 16
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 .......................................................... 17
5.5 Illuminate for Connection of Wired Controller and Indoor Units Network ......................... 18
6 Routine Maintenance ............................................................................................. 20
6.1 Cleaning of Filter ............................................................................................................. 20
6.2 Maintenance before the Seasonal Use ............................................................................ 20
6.3 Maintenance after the Seasonal Use ............................................................................... 20
7 Table of Error Codes for Indoor Unit ...................................................................... 21
8 Troubleshooting ..................................................................................................... 21
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