Cleveland Controls AFS-298-391 Sensing Switch R-22 leading to system lockouts

leading to system lockouts

even in complex Daikin-McQuay HVAC air handler configurations

If the resistance is zero (shorted) or infinite (open)

This part is compatible with various 21-inch upflow and sideflow furnace cabinets

Cleveland Controls AFS-298-391 Sensing Switch R-22 leading to system lockoutsThe Cleveland Controls AFS 298 391 is a high performance air pressure sensing switch designed for precision in commercial HVAC and energy management systems. Engineered as a general purpose differential pressure switch, it monitors positive, negative, or vacuum air pressure with a field adjustable set point range from 0. 05" w. c. to 12. 0" w. c. This unit is factory calibrated to change contacts on increasing pressure at 0. 30" w. c. ( 0. 02" w. c.),