MODELS
VCDD090
I
• VCDD150
I
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.
Two ways to connect ductwork to a factory-shipped unit.
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.
WIRING
Ventilator can be wired from outside of housing.
Use UL approved connectors to wire per local codes.
DUCTING (Straight-Through Blower Discharge)
12” ROUND DUCT
(OUTLET)
8” X 12” TO
12” ROUND
TRANSITIONS
MOUNTING
BRACKETS
CEILING
JOIST
(24” centers
shown)
Ventilator
factory-shipped
in straight-through
discharge position.
CEILING
JOIST
(24”
centers
shown)
FINISHED
CEILING
MATERIAL
MOUNTING
BRACKETS
BLACK
TO
BLACK
WHITE
TO
WHITE
GROUND TO
WIRING PLATE
EDGE
OF HOUSING
WIRING
PLATE
120 VAC LINE IN
ROOF CAP
MOUNTING
SCREWS
GRILLE NUT
(Install into square
holes in housing)
8” X 12” TO 12”
ROUND TRANSITIONS
Ventilator factory-shipped
in straight-through
discharge position.
GRILLE NUT
(Install into
square holes in
housing)
12” ROUND
DUCT
(INTAKE)
ACCESS
PANEL
SCREW
ACCESS PANEL
12” ROUND DUCT
(OUTLET)
ACCESS
PANEL SCREW
ACCESS
PANEL
12” ROUND DUCT
(INTAKE)
12”
ROUND
DUCT
8” X 12” TO
12” ROUND
TRANSITIONS
12”
ROUND
DUCT
12”
ROUND
ELBOW
WALL
CAP