Haier AC242ACERA [319/408] Electric control functions

Haier AU282AHEAA [319/408] Electric control functions
Outdoor motor and the compressor runs or stops simultaneously (except for overheat
protection), indoor fan speed can be set at High, Med, Low or Auto speed, and the fan blade can
swing or be fixed on one position. You can set TIMER or SLEEP mode.
Overheat protection
In heating mode, compressor has started up and indoor motor has run for over 30 seconds, if
indoor coil temperature Tg>56ć, outdoor motor will chenge to LOW; if Tg<52ć, and outdoor motor
has stop for 45s, outdoor motor will run again; if indoor coil temperature Tg>60ć, outdoor motor will
stop; if Tg<56ć, and outdoor motor has stop for 45s, outdoor motor will run again; if Tg>68ć, the
compressor will stop and indoor motor will run according to the thermostat OFF state. After the
compressor stops for 9 minutes and Tg reduces to 48ć, the unit will resume to heating mode, and
the compressor and the outdoor motor will run again.
Anti-cold air function in heating mode
When the uint enters heating mode for the first time, or last defrosting is over, if Tg˘28ć,
indoor motor will stop; if 38ć>Tgı28ć, indoor motor will run at low speed; if Tgı38ć or the
compressor has run for over 4 minutes, indoor motor will run at the set speed.
Blowing remaining heat function
In heating mode, the thermostat is OFF, the compressor stops, indoor motor will run at low
speed at least 50 seconds.
Auxiliary electric heating function
Enter condition:
1) TrİTs-2ć
2) compressor ON and running for 1 minute
3) Trİ23ć
4) Indoor motor running
5) Electric heating function start signal available (cancelled)
If the above conditions can all be met, the electric heating function will work.
If one of the below conditions can be met, the electric heater will stop:
1) TrıTs-1ć
2) compressor OFF or indoor motor stops
3) Trı25ć
4) Electric heating function start signal not available (cancelled)
Manual defrost:
In heating mode, the set temperature 30ć and in high speed, in 5 seconds, press SLEEP
button 6 times continuously, then the buzzer will sound 3 times, you can enter the manual
run
stop
Ts+1
Ts-1
Room
temperature
falling
Room
temperature
rising
defrosting.
For the unit with auxiliary electric heating function, If the auxiliary electric heating function is
working when the defrosting condition is met, please stop electric heater firstly, 3 seconds later,
Electric control functions
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