Proportional Environment Control - PEC
Phason PEC Ventilation Control

Proportional Environment Control - PEC

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Your Price: $565.00
Part Number: K7018PEC1
Availability: Out of Stock (0)

Phason PEC or Proportional Environment Control

The Proportional Environment Control automatically controls the temperature in a room by operating two variable speed fans, an inlet actuator, and up to three single-speed fans or heaters.

Easy to use and program

The Proportional Environment Control comes with seven factory-configured operating programs you can easily reconfigure for your ideal situation. The easy-to-use keypad and menu system make the PEC one of the easiest controls to program. The control's advanced and powerful features are never more than a few keystrokes away.

Versatility and peace of mind

The PEC has a 30-foot temperature probe that monitors temperatures in a single zone. For more versatility, you can connect 4 temperature probes together and use 4-zone averaging. Temperature probes are available in 1, 6, 30, 75, or 150-foot lengths; you can extend them up to 500 feet using extension cable.

You can connect the PEC to an alarm siren or other external alarm system. Customizable alarm settings allow you to choose which alarm conditions you want to be notified about.

Proportional Environment Control features:

  • Automatic temperature-based control
  • Seven configurable operating programs
  • Two variable cooling stages for controlling fans
  • Three general-purpose relays (heat or cool)
  • Two inlet control relays (open and close)
  • One alarm relay (for external alarm system or siren)
  • Customizable alarm settings
  • Minimum and maximum temperature logging
  • Four-digit LED display and individual stage LEDs
  • Error code display for troubleshooting
  • Manual override/test mode
  • Ventilation disable option
  • Power-failure settings protection
  • Three-second full-power-turn-on for minimizing fan ice-up
  • Actuator deicing
  • Overload protection fuses
  • Temperature probe; 30 feet, extendable to 500 feet
  • Easy System compatible—use the optional PEC Updater to update firmware, or the PEC Saver to save or store settings and configuration
  • Rugged enclosure (corrosion resistant, water resistant, and fire retardant)
  • CSA approval
  • Limited warranty (two years)


120/230 VAC, 50/60 Hz

Variable Stages:

7.5 A at 120/230 VAC, general-purpose (resistive)
5 FLA at 120/230 VAC, PSC motor
1/3 HP at 120 VAC, 1/2 HP at 230 VAC, PSC motor

Relay Stages:

4.4 A at 120 VAC, 2.2 A at 230 VAC, general-purpose (resistive)
1/6 HP at 230 VAC
360 W tungsten at 120 VAC

Inlet Relays:

4.4 A at 120 VAC, 2.2 A at 230 VAC, 5 A at 30 VDC

Alarm Relay

0.4 A at 125 VAC, 2.0 A at 30 VDC, resistive load
0.2 A at 125 VAC, 1.0 A at 30 VDC, inductive load

Fuses (2):

12 A, 250 VAC ABC-type ceramic

Download User Manual

Older Version User Manual

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