Functions and control
5.1.12 High load protection control
The outdoor system will be stopped if the coil temperature is above 65ć for 2 minutes. The indoor fan will
be controlled by the thermostat. The outdoor system can be restarted when the coil temperature is below 42ć
and the system has been stopped for 3 minutes. The malfunction will be stored in the malfunction resume
and will not be revealed.
5.1.13 Abnormal operation of indoor system
When the outdoor system operates, if the indoor system operation differs from the outdoor system, the
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
5.1.14 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 resume
presentation finishes.
T
he resume restores after the power supply restores.
5.1.15 Abnormality confirmation approaches
1. indoor temperature sensor abnormality:
Under the operation, the normal temperature ranges from 120 degree to -30 degree. When the
temperature goes beyond this range, the abnormality can be confirmed. If the temperature goes back
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 the
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
the code into E2 for the malfunction list resume. The indoor system will continue to operate according
to the 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 can be
confirmed and reported and the outdoor system will be stopped.
Domestic air conditioner
21
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