Functions and Control
Domestic air conditioner
18
.1.12 High load protection control
The outdoor system will be stopped if the coil temperature is above 63℃ for 2 minutes. The indoor fa
will be controlled by the thermostat. The outdoor system can be restarted when the coil temperature i
below 45℃ and the system has been stopped for 3 minutes. The malfunction will be stored in th
malfunction resume and will not be revealed.
.1.13 Abnormal operation of indoor system
When the outdoor system operates, if the indoor system operation differs from the outdoor system, th
abnormal operation malfunction will be reported. 10s after the report, the indoor system will be closed.
Outdoor system mode Indoor system mode conflicts
cooling heating yes
cooling cooling no
cooling airflow no
heating heating no
heating airflow yes
heating cooling yes
.1.14 Malfunction list resume.
Nothing is presented if there is no code list.
The malfunction display will automatically finish in 10 seconds.
The remote control only receives the signals for stop. According to the signals, the malfunction resum
presentation finishes.
The resume restores after the power supply restores.
.1.15 Abnormality confirmation approaches
1. indoor temperature sensor abnormality:
Under the operation, the normal temperature ranges from 120 degree to -30 degree. When th
temperature goes beyond this range, the abnormality can be confirmed. If the temperature goes bac
into the range, the system will automatically resume.
2 .indoor heat interaction sensor abnormality:
Under the operation, the normal temperature ranges from 120 degree to -30 degree. When th
temperature goes beyond this range, the abnormality can be confirmed. If the temperature goes back
into the range, the system will automatically resume.
3 .indoor malfunction:
Out door malfunction: When the indoor system receives the outdoor malfunction codes, it will store th
code into E2 for the malfunction list resume. The indoor system will continue to operate according to th
original status, the malfunction code will not be revealed or processed.
4. transmission abnormality:
If the indoor system can’t receive the outdoor system for 8 minutes, the communication abnormality ca
be confirmed and reported and the outdoor system will be stopped.
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