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EWC COntrols UZC-4 Ultra-Zone 4-Zone Control Panel, 2-Stage Cooling, 4-Stage Heating


  • Locke Part #: L7458
  • Mfg. Part #: UZC-4
  • Manufacturer: EWC Controls

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  • The UZC4 Zone system features automatic changeover from any thermostat allowing for individual zone comfort from the HVAC system
  • The STATUS LED pulses as a steady heart beat to indicate active Microprocessor status
  • On board Multi-colored LED’s will illuminate to indicate system status, HVAC system mode, and active / inactive zone identification
  • Damper 1 thru Damper 20 green LEDs will indicate which zone dampers are demanded to energize Open or Closed
  • All modules operate on 24vac power supplied from a separate transformer
  • The processor has a built-in feature that monitors the processor performance and resets the system if an error occurs due to power failures or power interruptions
  • The UZC4 allows constant operation of the Indoor Fan by Thermostat #1 only, or by each individual thermostat
  • A dip switch is provided to enable automatic fan operation in heat mode
  • Amperage: 0.36 A
  • Color: Clear/Green
  • Country of Origin: USA
  • Dimensions: 4 L x 2 W x 13 H in
  • Frequency Rating: 60 Hz
  • Housing Material: Plastic
  • Maximum Temperature: 145 deg F
  • Number of Cooling Stages: 2
  • Number of Heating Stages: 4
  • Number of HVAC Zones: 4
  • Number of Phases: Single
  • Temperature Rating: -20 to 160 deg F
  • Weight: 4.2 lb
  • Zone Capacity: 2-4 Zones