Condenser subcooling ensures that there is a liquid seal at the condenser’s bottom so the liquid line or receiver will not be fed with vapors. This condition prevents any noncondensables, like refrigerant vapor or air, from leaving the condenser’s bottom and entering the receiver or liquid line.
The amount of condenser subcooling needed is system dependent. The more pressure drops — friction and static — associated with the lines and accessories that carry the liquid in the system, the more need there will be for liquid subcooling to prevent liquid line flash gas.
The manufacturers creating new HVAC technologies are teaching others all about it.
Podcasts
Kara Saul Rinaldi, executive director with the National Home Performance Council (NHPC) introduces the NHPC and discusses a recently released white paper focused on properly developing the home-performance industry.
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