Head pressure control, 120 or 208/240 VAC, 80°F-105°F modulation; ideal for supermarkets/frozen food storage, computer rooms and temp/humidity-sensitive environments Integral heat pump bypass circuitry allows electonic bypass of speed control Solid state 10 amp load carrying capability Single unit cntrols up to 3 refrigeration circuits Integral transformer simplifies installation, reduces cost; direct setup from the line voltage Features: hard start, low temperature cutoff, high temperature bypass Ideal for low ambient conditions found in:- Supermarkets, frozen food storage- Computer rooms, cooling tower fans- Temperature/humidity-sensitive environments RoHS compliant / lead free design Â