Variable Temperature Control - VTC-1D
Phason VTC-1D Ventilation Control

Variable Temperature Control - VTC-1D

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Your Price: $280.00
Part Number: K70180412
Availability: In Stock (3)

Phason VTC-1D

Variable Temperature Control

Ventilation and heating control in one easy-to-use unit

The Variable Temperature Control automatically controls the temperature in a room by adjusting the speed of variable speed fans and controlling a heater interlock.

  • When the temperature is at the temperature set point, the VTC-1D operates the fans at the idle speed setting and the heater is off.
  • When the temperature exceeds the set point, the VTC-1D increases the speed of the fans.
  • When the temperature drops below the set point, the VTC-1D shuts off the fans (in shut-off mode) or operates the fans at idle speed (idle mode) and switches on the heater or heat lamps.

The VTC-1D is ideal for poultry, livestock, greenhouse, or light industrial buildings.

  • One variable speed output
  • One heater interlock output
  • Automatic shut-off and idle modes
  • Adjustable off set-back for shut-off mode (0 to 16°F)
  • Adjustable idle speed for idle mode (0 to 99%)
  • Adjustable temperature set point
  • Adjustable temperature differential (1 to 20°F)
  • Three-second full-power-turn-on to minimize fan ice-up
  • Two-digit LED display
  • Fahrenheit and Celsius display
  • Error code display for troubleshooting
  • Overload protection fuse
  • Six-foot temperature probe, extendable to 500 feet
  • Rugged enclosure (corrosion resistant, water resistant, and fire retardant)
  • CSA approval
  • Limited warranty (two years)


  • 120/230 VAC, 60 Hz

Variable stage:

  • 10 A at 120/230 VAC, general-purpose (resistive)
  • 7 FLA at 120/230 VAC, PSC motor
  • 1/2 HP at 120 VAC, 1 HP at 230 VAC, PSC motor


  • 15 A, 250 VAC ABC-type ceramic

Download User Manual

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