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15.2. Relationship Between The Condition Of The Air Conditioner And
Pressure And Electric Current
• Carry out the measurements of pressure, electric current, and temperature fifteen minutes after an operation is started.
Cooling Mode Heating Mode
Condition of the
air conditoner Low Pressure High Pressure Electric current
during operation
Low Pressure High Pressure Electric current
during operation
Insufficient refrigerant
(gas leakage)
Clogged capillary tube or
Strainer
Short circuit in the indoor
unit
Heat radiation deficiency of
the outdoor unit
Inefficient compression
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