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Same Charge, Different Numbers - Short #306
In this short podcast episode, Bryan talks about what happens when you adjust the condenser airflow: you have the same charge, different numbers. This short covers HVAC condensers and flooded condensers in refrigeration applications.
When you increase condenser airflow by repairing a condenser fan or washing the unit, the pressure and subcooling readings change even though the charge stays the same. Refrigerant enters the condenser as superheated vapor and goes through three stages: desuperheating, condensing, and subcooling. The key thing to remember is that these three stages can occur at…
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