The DIGI3U is an auto-changeover device, which provides the HVAC unit with the ability to cycle from heat to cool or from cool to heat on demand of opposing thermostats in system (changeover), making this system ideal for homes desiring constant comfort in all areas of the home. The DIGI3U is a field configurable, gas/electric or heat pump, auto-changeover control for up to 3 zones. Applications can be made for either single stage Gas/Electric systems or Heat Pump systems with Auxiliary/Emergency heat.

Controller Diagrams

 

 

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