Ref Tools App
Troubleshooter
Essential information when troubleshooting refrigeration systems
System
Condensing pressure erratic
Differential on start/stop pressure control for condenser fan too large. Can cause vapour formation in liquid line for some time after start of condenser fan because of refrigerant collection in condenser.
Thermostatic expansion valve hunting.
Fault in KVR/KVD condensing pressure regulating valves (orifice too large).
Consequence of hunting suction pressure.
Wrong sized or located check valve in condenser line.
Water-cooled condensers