SiK011003
Function and Control
29
Function and Control
②
The indoor unit displays operation icon, cooling icon and set temperature.
③
Protection functions (See function protection of this section)
1.2.2.3 Dry Mode
①
Dry conditions and process
◆
When T
amb.
≥T
set
-0.5
℃
, the unit starts drying and cooling. In this case, the compressor and the ODU fan motor run, and the IDU fan
motor runs at low speed.
◆
When T
amb.
≤T
set
-2
℃
, the compressor and the ODU fan motor stop after a few seconds, while the IDU fan motor runs at low speed.
◆
When T
set
-2
℃＜
T
amb.
＜
T
set
-0.5
℃
, the unit will maintain its present operation status.
◆
When the unit stops due to malfunction or protection, the indoor unit maintains its present operation status and displays malfunction
code.
In this mode, the 4-way valve is de-energized (cooling only unit is without 4-way valve). Temperature setting range is 16
～
30
℃
.
②
The indoor unit displays operation icon, dry icon and set temperature.
③
Protection functions (See function protection of this section)
1.2.2.4 Fan mode
①
Fan conditions and process
In this mode, IDU fan motor runs at set speed while the compressor and ODU fan motor stop operation. The 4-way valve is
de-energized . Temperature setting range is 16
～
30
℃
.
②
The indoor unit displays operation icon and set temperature.
③
Protection functions (See function protection of this section)
1.2.2.5 Heating mode
①
Heating conditions and process
◆
When T
amb.
≤T
set
+3.5
℃
, the unit starts heating operation. In this case, the 4-way valve, compressor and ODU fan motor run
simultaneously; the IDU fan motor runs after a while to prevent blowing out cold air.
◆
When T
amb.
≥T
set
+5
℃
, the compressor and ODU fan motor stop after a few seconds; the 4-way valve remains energized; the IDU
Indicates operation
Indicates stop
Compressor
Outdoor fan motor
Indoor fan motor
Graphic instruction:
(Same as below)
Tamb.
Stop cooling
Start cooling
Original operating status
7 min.
3 min.
7 min.
Set fan speed
Tpreset -0.5˚C
Tpreset –2 ˚C
Tpreset -0.5˚C
Tpreset –2 ˚C
Compressor
Outdoor fan motor
Indoor fan motor
Tamb.
Stop Drying
Start Drying
Original operating status
7 min.
3 min.
7 min.
Low speed
