Product Overview
Drain Pan Overflow Switch Kit Used With Z*D Raider Models. The electronic overflow switch is used to interrupt cooling operation when excessive condensate collects in the drain pan. The electronic condensate overflow switch contains low power consuming microelectronics. The logic circuit continuously samples the probes for water. The overflow switch is wired in series with the Y1 thermostat circuit on 036-060 units and in series with the T1 transformer on 092-150 units. If water is detected, the circuit determines if the condition is transient or permanent. If permanent, 24VAC power is interrupted to Y1 or T1 and unit compressor is de-energized. Once the condensate level drops below the set level, the switch will close and allow power via Y1 or T1.