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2. Protection of the evaporator pipe from frosting
• If the indoor pipe temperaure is below 0°C in 7 min. after the compressor operates without pause while in
cooling cycle operation mode,
compressor, outdoor fan are turned off.
• When indoor pipe temp. is 7°C or higher after 2 min pause of compressor
compressor, outdoor fan is turned on according to the condition of the room temperature.
3. Protection of the indoor fan from droplet formation (Enclosure
sweat and condensed disposal test)
• Control condition : The system operates standard operation without this condition as follows.
Setting temperature <25°C
Indoor fan speed ≤ low speed
Outdoor temperature < 30°C
• Control method
In operation for 5~20 minutes in
5~40 minutes at the COMP STEP 3.
Comp. free
6˚C
Comp. Step 4
3˚C
Comp. Step 2
0˚C
Comp. off
,
,
conditions, return to the previous COMP STEP after operation for
Indoor pipe
temp.
-13-
7˚C
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Troubleshooting
