Haier E Series Service Manual page 15

Intelligentized defrosting:
Indoor unit enter overload protection and air outlet stops when air outlet has been restarted and runs
over 10 minutes, and compressor runs over 45 minutes in total and over 20 minutes continuously, and the
temp. of indoor coil pipe is below 38 .
Compressor runs 20 minutes continuously, and the temp. of indoor coil pipe decreases 1
minutes and this operation repeats 3 times, and the temp. of coil pipe is below 38 , and 5 minutes later after
compressor is restarted.
When compressor runs over 3 hours in total and over 20 minutes continuously and after the temp. of
indoor coil pipe is below 38 , the system enters defrosting mode.
The difference between the temp. of indoor coil pipe and the indoor temp. is below 16
minutes, compressor runs over 45 minutes in total and over 20 minutes continuously after the temp. of indoor
coil pipe is below 38 , the system enters defrosting mode.
Exit conditions of defrosting:
Defrosting time is higher than 9 minutes (compressor is on).
During the defrosting and 2 minutes after quitting the defrosting mode, abnormality of temp. sensor
isn't detected.
After quitting the defrosting mode, the fan motor enter cooling prevention mode.
5.1.6 Timer function:
You can set 24-hour timer on or timer off as required, and the minimum time unit is 1 minute. After
setting, the indicator of indoor unit is on, and it is off when timer setting is completed. There are several timer
modes as follows.
5.1.6.1 Timer on: The LED of "timer on" lights up and unit behaves with halt status. Timer on is
completed, and then unit starts running with the LED of "timer on" off. The unit starts with the last setting
receiving timer signals, and sleep setting is not allowed.
5.1.6.2 Timer off: Unit starts, timer indicator lights up; when reaching time setting, the indicator goes out,
unit enters shut down mode, and sleep function can be set. If timer off and sleep are set synchronously, the
one which time is short run first. Executing shutdown instruction clear timer and sleep function.
5.1.6.3 Timer on and timer off can be set synchronously.
5.1.7 Sleep function: the timer indicator lights up.
5.1.7.1 In cooling/defrosting mode, the temp. setting increases 1
24L/H A
one hour later after start up. After
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per 6
and lasts 5