13.2 Relationship Between the Condition of the Air Conditioner and Pressure
and Electric Current
Condition of the
air conditioner
Insufficient refrigerant
(gas leakage)
Clogged capillary tube
or Strainer
Short circuit in the indoor unit
Heat radiation deficiency
of the outdoor unit
Inefficient compression
• Carry out the measurement of pressure, electric current, and temperature fifteen minutes after an operation is started.
Low Pressure
39
Cooling Mode
High Pressure
Electric current during operation