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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 |
|
2 |
Defrost Cycle |
0-250 min |
Closed |
On |
Open |
Closed |
Closed |
Closed |
|
3 |
Normal |
|
Cycling |
On |
Open |
Closed |
Closed |
Closed |
|