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17.1.1. Relationship between the condition of the air conditioner and pressure and electric
current
Cooling Mode
Heating Mode
Condition of the air
Electric current
Electric current
Low Pressure
High Pressure
Low Pressure
High Pressure
conditioner
during operating
during operating
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 measurements of pressure, electric current, and temperature fifteen minutes after an operation is started.
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