NEC Class 2

• 2 - 3 zones, non-expandable Compatible equipment - gas/electric/hydro upto 2 stages heating and one-stage cooling and heat pump conventional upto 2 stages heating and one-stage cooling Compatible thermostat: any single stage heat/cool thermostat or 2 stage heat, one-stage cool heat pump thermostat Compatible dampers - EWC models URD, ND, RSD and SID. any 24 VAC 3-wire or 2-wire motorized damper Staging via adjustable on-board timer (7 - 42 min) Enhanced hydro-air capabilities, can delay fan activation on Heating demand Supply air temperature monitoring to help protect HVAC equipment Adjustable purge time (90 or 120 sec) On board LEDs indicate system operation Supply air sensor For use with EWC Models URD, ND, RSD and SID damper and 2-stage heat pump and dual fuel thermostats

The NCM 300 panel provides intelligent control of Heat Pump or Conventional forced air zoning systems at a maximum of three zones using motorized dampers and practically any off-the-shelf heat/cool thermostat. With features like automatic changeover, opposite system service, short cycle timers and supply air sensing capability, the NCM 300 provides a high level of performance in a non-expandable zone control panel.