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Operation Details
2. PROTECTION CONTROL FOR COOLING & SOFT DRY
a.
Anti-Freezing Control
•
When the temperature of the indoor heat exchanger becomes low, the compressor operating frequency is
reduced and stopped when the temperature falls to lower than 2°C continuously for 6 minutes. This is to
prevent freezing of indoor heat exchanger. When the temperature rises to 10°C or above, the compressor
restarts with 3 minutes. The compressor operating frequency will resume to normal when the temperature
reaches 14°C.
•
Indoor fan speed will increase when the temperature falls and it will resume to original speed when the
temperature increases to 14°C for 5 minutes continuously.
Indoor Heat
Exchanger
Temp. (°C)
Note: The above phenomenon occurs when the fan is running at Me+ or below.
b.
Anti-Dew Formation Control
•
When the following conditions occur for 20 minutes continuously, anti-dew formation is controlled:
1. Indoor intake air temperature is 24°C or above.
2. Outdoor air temperature is less than 30°C.
3. Remote control setting temperature is less than 25°C.
•
During anti-dew formation control, compressor operates at 55 Hz and vertical airflow direction blade moves
down slightly (as shown in Airflow Direction Control). Indoor fan speed increases by 1 rank if it is set at Low
or below or decreases by 2 ranks if it is set at Hi speed.
•
This control is cancelled immediately when either condition 1–3 as written above is changed, or remote
control setting temperature or fan speed is changed.
14
Free
Original
12
10
6
48 Hz
1 rank up
4
33 Hz
2
OFF
Comp.
Indoor Fan
When the temp. falls
Free
Original
48 Hz
33 Hz
1 rank up
OFF
Comp.
Indoor Fan
When the temp. rises
– 46 –
CS-G90KE
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