Wednesday, October 8, 2014

Taco VR1816: Infinitely Variable Speed, ECM High-Efficiency Circulator

The Taco Viridian VR1816 circulator is an infinitely variable speed wet rotor circulator with an ECM, permanent magnet motor. Operating modes include infinitely adjustable fixed speed or self-adjusting proportional or constant pressure variable speed. Its high efficiency motor reduces power consumption by up to 85% compared to equivalent AC permanent split capacitor circulators.

  • Maximum operating pressure: 125 psi (8.6 bar)
  • Maximum water temperature: 230°F (110ÂșC)
  • Electrical specifications: Voltage: 110-120V, 50/60 Hz, single phase, Maximum operating power: 44W, Maximum amp rating: 0.54
  • Equipped with a cast iron casing and should be used for closed loop systems only.
  • Acceptable for use with water or maximum of 50% water/glycol solution.
  • 3 operating modes: Fixed Speed - infinitely adjustable min/max settings, Constant Pressure - variable speed - 3 constant pressure differential curves (5, 10, or 15 feet of head), Proportional Pressure - variable speed - 3 variable pressure differential curves (High, Med, or Low)
  • Multi-color LED display showing operating mode and error code diagnostics.
  • Use with a Taco ZVC Zone Valve Control or SR Switching Relay for ON/OFF operation.
  • Integral Flow Check (IFC) is included in carton. Simply press into discharge flange if required.
  • Nut capture feature on flanges for easier fit up.
  • Whisper quiet operation.

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