Mitsubishi Electric PCH-2GKHA Service Manual page 32

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 themostat ON/OFF and the following room temperature.
After 3-minute compressor operation.
If the room temperature thermistor reads above 28: with themostat 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 themostat ON, the compressor will operate for 4 more min
utes and then stop for 3 minutes.
If the room temperature thermistor reads above 24: ~ 26: with themostat ON, the compressor will operate for 2 more min
utes and then stop for 3 minutes.
If the room temperature thermistor reads below 24: with themostat ON, the compressor will stop for 3 minutes.
If the thermistat is OFF regaedless of room temperatere, the compressor will stop for 10 minutes.
5Coil frost protection
Coil frost protection in DRY operation is the same as in COOL operation.
6Coil frost protection
Coil frost protection 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
controller. 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.
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