BALANCING COLLAR INSTRUCTIONS
Push and turn with slotted screwdriver. Damper automatically locks when pressure is released.
Hard/Rigid
ducting
When connecting ductwork to the collar, take note where screws are located. Screws should be located no further than 1/2” from outside edge of collar, so as not to impede operation of the damper.
1/2”
Insulated flexible
ducting
Installations where the HRV is ducted directly to the return of a furnace may require additional dampening on the fresh air to building duct. This is due to the high return static pressures found in some furnace installations.
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