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9.5.5.
Dew Form Prevention Control
• During Cooling Operation, dew form prevention control activates if:
- Indoor temperature falls between 24ºC and 30ºC.
- Compressor and thermostat is ON.
- Indoor fan speed is Low speed.
- Setting temperature is less than 25ºC.
• During dew form prevention control, the louver is fixed at 30º.
• Outdoor fan speed changes according to outdoor pipe temperature.
• Dew form prevention control cancel when:
- Any one of the condition above does not comply.
- During Outdoor Fan operates at Hi speed, the outdoor pipe temperature is more than 58ºC.
Louver Control
9.5.6.
• Louver angle could be set by using remote control.
• During operation, stopping, thermostat off condition, louver angle is shown in the table below.
Remote controller setting
Operation mode
Display
Cooling / Fan
Normal
Thermostat off
Soft Dry
Normal
Thermostat off
Operation mode judge
Stop mode
9.5.7.
Outdoor Fan Control
• Outdoor fan speed changes according to outdoor pipe temperature.
• The fan speed is control by the timing of turning the outdoor fan ON and OFF within an interval.
• There unit compares current temperature (T2) with previous (2 seconds before) temperature (T1) and decides the outdoor fan
ON time (X).
Judgement
45°C
40°C
40°C
35°C
30°C
30°C
T2
Outdoor fan ON time (X) is a variable with the range of 200ms to 1600ms or continuously ON.
• Every 2 minutes, the outdoor pipe temperature is detected and the outdoor unit fan speed is changed automatically.
9.5.8.
Outdoor Fan Remaining Heat Removal Control
• When compressor stop, outdoor fan operates at High speed for 1 minute to remove the remaining heat.
20°
20°
20°
20°
20°
T2
T2
45°C & T2
T1
T2
45°C & T2
T1
T2
40°C
T2
35°C & T2
T1
T2
35°C & T2
T1
30°C
• When power is on, louver start initializing toward to close
Direction.
Manual
35°
50°
35°
50°
35°
50°
35°
50°
35°
50°
70°
Outdoor fan ON time (X)
X = X + 100ms
X = X + 50ms
X = X
X = X
X = X - 50ms
X = X
X = X - 50ms
33
Auto
70°
20° - 70°
70°
20° - 70°
70°
20° - 70°
70°
20° - 70°
70°
20°
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