Tech Tips
Heat Pump  Symptoms
(7.5 & 10 Ton)
Split Systems
heating mode
HP0008
 

Tripping High Pressure Switch	High Liquid Pressure / High Subcooling
Unit Running in Cool Mode	High Suction Pressure / Low Liquid Pressure
Compressor Runs but Does Not Pump	Low Suction/ Normal Superheat (TXV)
Compressor Tries to Start But Does Not	Unit Pumps into Vacuum
Odor and/or "Green Slime" In Refrigeration System	Insufficient Heat
High Liquid Pressure/ Low Subcooling