Haier HSU-12LEK03 Сервис мануал онлайн [20/86] 611983

Functions and control

Domestic Air Conditioner

*Overcooling protection喚One and half a minutes later after compressor starts, if the temperature of coil

pipe is below -4 , compressor and air outlet stop, and air inlet ć runs according to the temp. setting.

Compressor can be restarted 3 minutes later.

5.1.5.3 Defrosting:

5.1.5.3.1 Entry conditions of defrosting:

The entry conditions of defrosting is classified into two types: intelligentized defrosting and sensor

defrosting. Through selecting and judging, the models without outdoor sensor defrosts according to

intelligentized defrosting, and others with ensor defrosts according to sensor defrosting.

Intelligentized defrosting:

ķIndoor 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 41 . ć

ĸCompressor runs20minutes continuously, and the temp. of indoor coil pipe decreases 1 per 6 ć

minutes and this operation repeats 3 times, and the temp. of coil pipe is below 41 , and 5 minutes later after ć

compressor is restarted.

ĹWhen compressor runs over 3 hours in total and over 20 minutes continuously and after the temp. of

indoor coil pipe is below 41 , the system enters defrosting mode.ć

ĺThe difference between the temp. of indoor coil pipe and the indoot temp. is below 12 and lasts 5 ć

minutes, compressor runs over 45 minutes in total and over 20 minutes continuously after the temp. of indoor

coil pipe is below 41 , the system enters defrosting mode. ć

5.1.5.3.2 Exit conditions of defrosting:

Defrosting time is higher than 9 minutes (compressor is on).

ŘDuring the defrosting and 2 minutes After quiting the defrosting mode, abnormality of temp. sensor

isn’t detected.

řAfter quiting 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 minum 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 mode

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 the last setting receiving

timer signals, and sleep setting is not allowed.

HSU-07 09 12L HEK03