Content
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Content
1
Precaution .................................................................................................................... 1
1.1 Safety Precaution ................................................................................................................................... 1
1.2 Warning .................................................................................................................................................. 1
2
Function ....................................................................................................................... 4
3
Dimension .................................................................................................................... 5
4
Specification ................................................................................................................ 7
5
Refrigerant cycle diagram ......................................................................................... 12
6
Operation limits ......................................................................................................... 13
7
Wiring diagram ........................................................................................................... 14
8
Installation details ...................................................................................................... 2
2
8.1 Wrench torque sheet for installation .................................................................................................... 2
2
8.2 Connecting the cables ......................................................................................................................... 2
2
8.3 Pipe length and the elevation .............................................................................................................. 2
2
8.4 Air purging of the piping and indoor unit .............................................................................................. 22
8.5 Pumping down (Re-installation) ........................................................................................................... 2
3
8.6 Re-air purging (Re-installation) ............................................................................................................ 25
8.7 Balance refrigerant of the 2-way, 3-way valves ................................................................................... 26
8.8 Evacuation ........................................................................................................................................... 27
8.9 Gas charging ........................................................................................................................................ 28
9
Electronic function
....................................................................................................
30
9.1 Electronic control working environment ...............................................................................................
30
9.2 Proper symbols and their meaning ...................................................................................................... 29
9.3 Function ............................................................................................................................................... 30
9.4 Protection ............................................................................................................................................. 30
9.5 Fan only mode ..................................................................................................................................... 31
9.6 Cooling mode ....................................................................................................................................... 31
9.7 Dehumidifying mode ............................................................................................................................ 32
9.8 Heating mode ....................................................................................................................................... 32
9.9 Defrosting mode(available for heating mode) ..................................................................................... 33
9.10 Auto mode .......................................................................................................................................... 34
9.11 Force cooling function ........................................................................................................................ 34
9.12 Sleep mode(Economic mode) ........................................................................................................... 35
9.13 Auto restart function ........................................................................................................................... 36
9.14 Turbo mode ........................................................................................................................................ 36
10
Model and Parameters .............................................................................................. 3
8
11
Troubleshooting
.........................................................................................................
40
11.1 Display board ..................................................................................................................................... 39
11.2 Troubleshooting .................................................................................................................................. 41
11.3 Diagnostic chart.................................................................................................................................. 42
11.4 Resetting phenomenon often occurs during operation. ..................................................................... 45
11.5 Indoor fan speed out of control . ........................................................................................................ 45
11.6 Temperature sensor error. .................................................................................................................. 46
