Relationship Between The Condition Of The Air-To-Water Heatpump Indoor And Outdoor Units And Pressure And Electric Current - Panasonic WH-SHF09D3E8 Service Manual
Air-to-water
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Also See for WH-SHF09D3E8:
- Operating instructions manual (92 pages) ,
- Design handbook (132 pages) ,
- Service manual (2 pages)
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16.2
Relationship between the Condition of the Air-to-Water Heatpump
Indoor and Outdoor Units and Pressure and Electric Current
Condition of the
Air-to-Water Heatpump indoor and outdoor
units
Water leakage or insufficient water flow
rate in the system
Excessive amount of refrigerant
Inefficient compression
Insufficient refrigerant
(gas leakage)
Outdoor heat exchange deficiency
Clogged expansion valve or Strainer
Carry out the measurements of pressure, electric current, and temperature fifteen minutes after an operation is
started.
Low Pressure
69
Heating Mode
High Pressure
Electric current during operation
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