Airwell AWWR-WDF009-C12, Service Manual

Page: 13 / 36

Window WDF-60Hz 11 Version - 0
7.2 Protection Function
7.2.1 Three minutes delay at restart for compressor.
7.2.2 Anti-freezing protection at cooling or dry mode.
Anti-freezing control according to T2 (Indoor evaporator temperature).
If the evaporator pipe temperature had been lower than 1
℃
for 14 minutes, the evaporator
anti-freezing protection will be activated. The compressor will keep off in the following 5 minutes
5 minutes later, if the evaporator pipe temperature is still lower than 4
℃
, the compressor will stay off.
Otherwise the compressor will be started and the function is cancelled.
Anti-freezing control according to TIME.
If the lasting time of compressor which is continuously running has got to 105 minutes with fan
motor operating under Med or Low speed and the indoor ambient temperature lower than 26
℃
, the
anti-freezing function will be activated. The compressor will keep off for 3 minutes.
Note: If the compressor stops operation, the time will be cleared.
7.2.3 Anti-frosting protection and defect at cooling or dry mode.
3 minutes later when compressor is running, if T2 has been less than -14
℃
for subsequent 3
minutes, the anti-frosting protection is activated and compressor will stop in the following 6 minutes.
After that, if the condition for de-frosting function is met again in the following 10 minutes while the
compressor is operating, the unit will display
„
Ed
‟ to indicate that the unit is in the defrost defect. The
compressor and fan motor will be OFF
Note:
The Defect display can be cancelled only by pressing the ON/OFF button on the unit or the remote
controller.