Wiring Diagrams
20
Domestic Air Conditioner
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 sigals for stop. According to the signals, the malfunction resume
presentation finishes.
The 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.
5.1.16 Single indoor system operation
* Enter condition: First, set the high speed airflow and 30 centigrade set temperature, then press the
dormant keys for 6 times within 7 seconds, the system will feedback with 6 rings.
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