Relationship Between The Condition Of The Air-To-Water Heatpump Indoor And Outdoor Units And Pressure And Electric Current - Panasonic WH-UD28AE Service Manual

16.2. Relationship Between The Condition Of The Air-to-Water Heatpump
Indoor And Outdoor Units And Pressure And Electric Current
Heating Mode
Condition of the
Air-to-Water Heatpump indoor and outdoor Low Pressure High Pressure Electric current during operation
units
Insufficient refrigerant
(gas leakage)
Clogged capillary tube or Strainer
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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