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Refrigerant Gas Monitoring Panels - Fixed Systems

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OEM - Original Manufactured Equipment

Wizard WEC / WDC Hot Gas Defrost Step Chart

Hot Gas Defrost
Defrost Step Step Name Range Relay /  Valve /  Circuit
Liquid Line Solenoid Evaporator Fan Suction Stop Soft Gas Valve Hot Gas Valve Equalizer Valve
1 Normal   Cycling On Open Closed Closed Closed
2 Pump Down 0-250 min Closed On Open Closed Closed Closed
3 Soft Gas 0-250 min Closed Off Closed Open Closed Closed
4 Defrost Cycle 0-250 min Closed Off Closed Open Open Closed
5 Drip Cycle 0-250 min Closed Off Closed Closed Closed Closed
6 Equalizing 0-250 min Closed Off Closed Closed Closed Open
7 Fan Start Delay 0-250 min Open / Cycling Off Open Closed Closed Closed
8 Normal   Cycling On Open Closed Closed Closed

Wizard WEC / WDC Electric Defrost Step Chart

Electric Defrost
Defrost Step Step Name Range Relay / Valve / Circuit
Liquid Line Solenoid Evaporator Fan Suction Stop Pre-Heat Stage Electric Defrost Equalizer Valve
1 Normal   Cycling On Open Closed Closed Closed
2 Pump Down 0-250 min Closed On Open Closed Closed Closed
3 Pre-Heat Cycle 0-250 min Closed Off Closed Open Closed Closed
4 Defrost Cycle 0-250 min Closed Off Closed Closed Open Closed
5 Drip Cycle 0-250 min Closed Off Closed Closed Closed Closed
6 Equalizing Cycle 0-250 min Closed Off Closed Closed Closed Open
7 Fan Start Delay 0-250 min Open / Cycling Off Open Closed Closed Closed
8 Normal   Cycling On Open Closed Closed Closed

Wizard WEC / WDC Water Defrost Step Chart

Water Defrost
Defrost Step Step Name Range Relay / Valve / Circuit
Liquid Line Solenoid Evaporator Fan Suction Stop Water Stage #1 Water Stage #2 Equalizer Valve
1 Normal   Cycling On Open Closed Closed Closed
2 Pump Down 0-250 min Closed On Open Closed Closed Closed
3 Water Cycle 0-250 min Closed Off Closed Open Closed Closed
4 Defrost Cycle 0-250 min Closed Off Closed Open Open Closed
5 Drip Cycle 0-250 min Closed Off Closed Closed Closed Closed
6 Equalizing Cycle 0-250 min Closed Off Closed Closed Closed Open
7 Fan Start Delay 0-250 min Open / Cycling Off Open Closed Closed Closed
8 Normal   Cycling On Open Closed Closed Closed

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