Head Pressure Control for Air Conditioners and Heat Pump Systems
- Integral heat pump bypass circuitry allows electronic bypass of speed control
- Eliminates overshoots common to On-Off and pressure switch controls
- Helps prevent evaporator freeze-ups, low pressure cut-outs and liquid slugged compressors in low ambient conditions
- One model covers 120 to 480 v ac
- Controls up to 3 refrigerant circuits