Service manual

42
4The compressor will not start when the room temperature is below 18:.
The compressor start intermittent operation when the power is turned ON with room temperature above 18:. The compres-
sor ON/OFF time depends on the thermostat ON/OFF and the following room temperature.
After 3-minute compressor operation.
● If the room temperature thermistor reads above 28: with thermostat ON, the compressor will operate for 6 more minutes
and then stop for 3 minutes.
● If the room temperature thermistor reads above 26: ~ 28: with thermostat ON, the compressor will operate for 4 more
minutes and then stop for 3 minutes.
● If the room temperature thermistor reads above 24: ~ 26: with thermostat ON, the compressor will operate for 2 more
minutes and then stop for 3 minutes.
● If the room temperature thermistor reads below 24: with thermostat ON, the compressor will stop for 3 minutes.
● If the thermostat is OFF regardless of room temperature, the compressor will stop for 10 minutes.
5 Coil frost protection
Coil frost protection in DRY operation is the same as in COOL operation.
6 Coil frost prevention
Coil frost prevention does not operate in DRY operation.
(2) Indoor fan control
The indoor fan runs on LOW speed during compressor operation. The fan speed cannot be changed with the remote con-
troller. Also, the indoor fan does not run during compressor OFF.
(3) Auto vane & drain pump controls
Same as in COOL operation.
(4) Detecting abnormalities in the outdoor unit
An abnormality in the outdoor unit can not be detected in DRY operation.