Content
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Content
1Precaution .................................................................................................................... 1
1.1 Safety Precaution................................................................................................................................... 1
1.2 Warning.................................................................................................................................................. 1
2Function ....................................................................................................................... 4
3Dimension .................................................................................................................... 5
4Specification ................................................................................................................ 7
5Refrigerant cycle diagram......................................................................................... 12
6Operation limits ......................................................................................................... 13
7Wiring diagram........................................................................................................... 14
8Installation details...................................................................................................... 22
8.1 Wrench torque sheet for installation .................................................................................................... 22
8.2 Connecting the cables ......................................................................................................................... 22
8.3 Pipe length and the elevation .............................................................................................................. 22
8.4 Air purging of the piping and indoor unit.............................................................................................. 22
8.5 Pumping down (Re-installation)........................................................................................................... 23
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
9Electronic 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 .............................................................................................. 38
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