Overview

Speed Control operates the ventilation unit in one of 4 modes:

  • Intermittent: low-speed 20-min exchange followed by 40-min off or recirculation
  • Low-speed exterior air exchange
  • High-speed exterior air exchange
  • Off/standby (when the indicator lights are off)

Wiring: Colour-coded, 4-conductor wire to the H/ERV’s terminal block.