Johnson Controls YJHJXH024BARR-FX, Service Manual

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Function and Control
Domestic Air Conditioner
19
malfunction will be stored in the malfunction resume and will not be revealed.
5.1.12 High load protection control
The outdoor system will be stopped if the coil temperature is above 65
ć
for 2 minutes. The indoor fan
will be controlled by the thermostat. The outdoor system can be restarted when the coil temperature is
below 42 ć 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 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.
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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.
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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.
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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
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