Johnson Controls YVAHP072B31S, Service Manual

Page: 967 / 1796

Service Manual
2-47
OPERATION
NOTE
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activated the hot start operation to prevent the perception of cold draft. It is NOT abnormal.
6. Automatic Control
This air conditioner automatically starts the following operations according to the conditions.
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Enforced Stoppage:
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stopped.
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and does not start until after three minutes has elapsed.
Enforced Operation:
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three minutes after the compressor has started, compressor is
operated during three minutes continuously.
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compressor is stopped.
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and
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When the indoor unit is operated at a low discharge air temperature,
the cooling operation may be changed to a fan operation for a while to
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To prevent cold air discharge into a heated space, the fan speed is
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based on discharge air temperature.
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Defrosting
Operation
The indoor unit fan operation is stopped to prevent cold air discharge
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Residual
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When the heating operation is stopped, indoor fan operation may
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down the internal temperature inside the indoor unit.
Prevention
of Overload
Operation
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of the outdoor thermistor.
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