The MARD Series Damper is a Power Opened/Closed, Zone or Bypass Damper

It is Usually Used in Light Commercial Applications on Systems Larger than 5 Tons that Do Not Exceed 2 Inch W.C at the Damper, But May be Used in any Residential System as Well

Freeze Protection Control Breaks the Y Circuit to a Compressor Below 36 Deg F and Remakes at 46 Deg F

Unidirectional Motor that Requires Single-Pole, Double-Throw Switching to Drive the Damper Open and Closed

It Uses a Wafer Switch to Power the Synchronous Motor for Only 30 Seconds While the Motor is Moving Between Open and Closed or Vice-Versa

Can be Operated by any Trol-A-Temp or Honeywell Zoning Panelit also Can be Operated by any SPDT Switch or Relay Contact

It Can be Controlled with Five or Three Wires, Depending on the Application

Provides a Low Voltage Power Source for any Honeywell Zone Control Panel or Damper

Powers up to 5 ZD or ARD Damper Motors and 14 RRD Damper Motors from One 40 Volt Amp Transformer

Mounting Options Include Plate or Foot Mounting

RoHS Compliant