UZC-4 | UZC-4 Zone/Cntrl Pnl 2Stclg/3Stg Ht | EWC Controls
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Brand: EWC ControlsSKU: UZC-4

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UZC-4 | UZC-4 Zone/Cntrl Pnl 2Stclg/3Stg Ht | EWC Controls

EWC Controls | UZC-4
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Details for UZC-4

UZC-4 Zone/Cntrl Pnl 2Stclg/3Stg Ht


  • NUMBER OF ZONES: 2, 3, or 4 Zones, expandable to 22 zones using ZXM-2 expansion modules. See 090377A0144 rev. B.
  • COMPATIBLE EQUIPMENT: Gas/Electric/Hydro – Up to 2 Stages Heating and 2 Stages Cooling. Heat Pump Conventional or Dual Fuel – Up to 4 Stages Heating and 2 Stages Cooling.
  • COMPATIBLE THERMOSTATS: Any single or two stage Heat/Cool Thermostat or 4 Stage Heat, 2 Stage Cool Heat Pump Thermostat.
  • COMPATIBLE DAMPERS: EWC Models URD, ND, RSD and SID. Any 24vac 3 Wire or 2 Wire damper


  • *Staging via Multi-Stage Thermostats, Adjustable On-board Timer, or Outdoor Air Sensor (7 to 42 Minutes or 7° to 42°F).
  • *50% Rule to limit staging if less than half the total zones are demanding Heating or Cooling.
  • *Variable Speed Fan Reduction Control, if less than 25% of total zones are demanding cooling.
  • *Fire Alarm Interlock feature, shuts down HVAC system and closes all connected dampers.
  • *Enhanced Dehumidify Feature and Supply/Return Air Temperature Monitoring.
  • *Fresh Air Damper Terminal Block with Indoor Blower Interlock. Activated by Co2 dry contact closure


Item Number UZC-4
Brand EWC Controls
Type Zoning Panel

Documents and manuals

EWC Controls UZC-4 Documents


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