9.
Wiring Diagram 6
Continuous running at Normal Airflow (set via VR2) with Heat Recovery Increased Airflow (set via VR1) when triggered by suitable thermostatic
switch in the roof space provided by installer
RED
BLACK
BLUE
VR2 SPEED
ADJUSTER
VR1 SPEED
ADJUSTER
HV-POT-10-TB
CONTROL BOX CABLE CONNECTED TO FAN
USING JACK PLUG SUPPLIED.
Suitable thermostatic switch in the
roof space provided by installer
C