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Content
1 Precaution....................................................................................................................1
1.1 Safety Precaution................................................................................................................................ 1
1.2 Warning............................................................................................................................................... 1
1.3 Function .............................................................................................................................................. 4
2 Dimension ....................................................................................................................5
3 Specification ................................................................................................................6
4 Operation limits ...........................................................................................................9
5 Wiring diagram...........................................................................................................10
6 Installation details......................................................................................................12
6.1 Wrench torque sheet for installation.................................................................................................. 12
6.2 Connecting the cables....................................................................................................................... 12
6.3 Pipe length and the elevation ............................................................................................................ 12
6.4 Air purging of the piping and indoor unit............................................................................................ 13
6.5 Pumping down (Re-installation) ........................................................................................................ 15
6.6 Re-air purging (Re-installation) ......................................................................................................... 16
6.7 Balance refrigerant of the 2-way, 3-way valves ................................................................................. 17
6.8 Evacuation ........................................................................................................................................ 18
6.9 Gas charging..................................................................................................................................... 19
7 Electronic function ....................................................................................................20
7.1 Electronic control working environment............................................................................................. 20
7.2 Proper symbols and their meaning.................................................................................................... 20
7.3 Function ............................................................................................................................................ 21
7.4 Protection.......................................................................................................................................... 21
7.5 Fan only mode .................................................................................................................................. 22
7.6 Cooling mode .................................................................................................................................... 22
7.7 Dehumidifying mode ......................................................................................................................... 23
7.8 Heating mode.................................................................................................................................... 23
7.9 Defrosting mode(available for heating mode).................................................................................... 24
7.10 Auto mode ....................................................................................................................................... 25
7.11 Force cooling function ..................................................................................................................... 25
7.12 Sleep mode ..................................................................................................................................... 26
7.13 Auto restart function ........................................................................................................................ 27
7.14 Ionizer (air clean) function............................................................................................................... 27
8 Model and Parameters ..............................................................................................28
9 Troubleshooting......................................................................................................... 29
9.1 LCD Display board ............................................................................................................................ 29
9.2 Indoor Unit Error Display................................................................................................................... 30
9.3 Diagnostic chart ................................................................................................................................ 30
9.4 Resetting phenomenon often occurs during operation...................................................................... 31
9.5 Operation lamp flashes and Timer lamp off....................................................................................... 31
9.6 Operation lamp flashes and Timer lamp on....................................................................................... 32
9.7 Operation lamp off and Timer lamp flashes....................................................................................... 32
9.8 Operation lamp on and Timer lamp flashes....................................................................................... 32
9.9 Operation lamp flashes, Timer lamp flashes . ................................................................................... 32
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