Haier AC242ACEAA [339/408] Electric control functions

Haier AD362AMEAA [339/408] Electric control functions
The system can restart after 3 minutes standby when the compressor stop abnormally for the former 2
times. But the system will permanent stop and alarm if it stop abnormally 3 times in one hour, alarm will cancel
after all the system is electrified again.
1.8.5 Module temp. over-high protection
Control the compressor FQY when module temp. is too high, ensure the system normal operation.
1.8.6 Indoor heat exchanger anti-freeze protection
z anti-freeze protection in cooling mode

11ć
Increase FQY slowly1HZ/10s
9ć
Remain FQY
6ć
Reduce FQY slowly 1HZ/10s
Anti-freeze protection is shielded during defrost and auto oil return procedure.
1.8.7 Add high temp. protection in outdoor
When cool or dry and compressor is on.
Te>=62ć Increase FQY rapidly 1Hz/s, min. 30Hz
Te>=59ć Remain FQY
Te>=55ć Increase FQY slowly 1Hz/10s
Te<55ć normal control
1.8.8 Rated operation(the value can be setted by EEPROM)---compressor FQY is fixed, open angle of valve
and fan speed can adjust automatically, realized by outdoor dip switch and fixed FQY remote signal from
indoor unit.
ƽ Rated cooling:
When receiving the indoor rated operation command, the unit will enter rated cooling operation.
In rated operation period, the frequency can be adjusted by manual. Once being adjusted by manual, the
unit will not receive the indoor frequency. The expansion valve open angle can adjust automatically according
to the over-heat degree. The FQY of compressor is not limited by ambient temp..
zRated heating:
When receiving the indoor rated operation command, the unit will enter rated cooling operation.
In rated operation period, the frequency can be adjusted by manual. Once being adjusted by manual, the
unit will not receive the indoor frequency. The FQY of compressor is not limited by ambient temp..
1.8.9 Outdoor compulsory operation(select by the outdoor dip switch)
When Tm˚95ć last 5s, force thermostat OFF, restorable i
f
restart after 3 minutes
Reduce FQY rapidly 1Hz/s
Reduce FQY slowly 1Hz/10s
Remain FQY
Increase FQY slowly 1Hz/10s
95ć
92ć
88ć
85ć
75ć
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Electric control functions
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