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Fan cycle switch for 410a.
Restore power and check for proper operation.
R410a fan cycling pressure switch sfc300400 at ferguson.
Supco inc fan cycling pressure switch 22 00.
Aaon r37200 320 475 r410a fan cycle switch 320 475 r410a fan cycle switch.
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Switch is encapsulated nonadjustable spst direct mount switch for use with hfc hcfc and cfc refrigerants.
Outdoor fan cycles off when discharge pressure drops below 200 10 psig.
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Excellent set point repeatability and stability.
The cut in setting is simply the pressure that causes the control to close contacts and bring on the fan motor.
Us parts store 033s new cycling pressure switch for air conditioning system 4 0 out of 5 stars 1.
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The supco fan cycling pressure switch features high precision controls at an economical price.
Low pressure switches on carrier equipment using r 410a are usually set to open at about 50 psi and close at about 100 psi.
Note heat pumps operating in the heating mode also may have a vapor switch that cycles the outdoor fan when the pressure is about 400 psi and resets when the pressure drops to about 310 psi.
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These controls normally have two settings the cut in pressure and the differential.
But in cooler weather the fan pressure controls cycle the fan motors.