MODELS • VCDD010C • VCDD015C
VCDD020C • VCDD025C • VCDD030C
Page 2
TYPICAL INSTALLATION
TYPICAL INSTALLATION
MOUNTING (New Frame Construction)
Factory-shipped unit installed in new construction.
MOUNTING (Existing Frame Construction)
Factory-shipped unit installed in existing construction.
* VCDD010C & VCDD015C use 6” round duct.
VCDD020C, VCDD025C & VCDD030C use 8” round duct.
Two ways to connect ductwork to a factory-shipped unit.
* VCDD010C & VCDD015C use 6” round duct.
VCDD020C, VCDD025C & VCDD030C use 8” round duct.
IMPORTANT:
Remove shipping tape from damper
Remove the shipping tape from the damper flap and make sure
that damper flap opens and closes freely inside the ductwork.
Use duct tape to make ductwork connections secure and air-tight.
Remove shipping ring from blower inlet
Remove the shipping ring from the blower inlet before
operating the ventilator.
WIRING
Ventilator can be wired from outside of housing.
Use UL approved connectors to wire per local codes.
DUCTING (Horizontal Blower Discharge)
ROUND DUCT*
ADDITIONAL
1½” FRAMING
GRILLE
SCREW
MOUNTING
SCREW
Mounting brackets
factory-shipped in
position for ½”
ceiling material.
CEILING JOIST
(16” center shown)
GRILLE
(Install after
ceiling is
finished)
Blower factory-shipped
in horizontal
discharge position
2 X 4 FRAME
(wide side down)
ROUND DUCT*
CEILING JOIST
(16” center shown)
GRILLE
SCREW
GRILLE
(Polymeric shown)
FINISHED
CEILING
MATERIAL
MOUNTING
BRACKETS
(Attached to
opposite sides
of housing &
upside-down,
so housing is
flush with
finished ceiling).
BLACK
TO
BLACK
WHITE
TO
WHITE
GROUND TO
WIRING PLATE
TOP / BACK
OF HOUSING
WIRING
PLATE
120 VAC LINE IN
ROOF CAP
ROUND
DUCT*
ROUND
ELBOW*
WALL
CAP
