Wizard WEC / WDC Off-Time Defrost Step Chart

Off-Time Defrost
Defrost Step Step Name Range Relay / Valve / Circuit
Liquid Line Solenoid Evaporator Fan Suction Stop Defrost #1 Defrost #2 Equalizer Valve
1 Normal   Cycling On Open Closed Closed Closed
2 Defrost Cycle 0-250 min Closed On Open Closed Closed Closed
3 Normal   Cycling On Open Closed Closed Closed