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MOUNTING OPTIONS
¼-20 hex nuts secure mounting brackets to housing. Loosen and
re-tighten or remove and replace nuts as necessary for desired
mounting bracket position.
y
yyy
21½"
Mounting brackets in
factory-shipped position.
(Outlet parallel to joists.)
(New construction)
yyy yyy
12¼"
Mounting brackets mounted
to outlet sides of housing.
(Outlet perpendicular to joists.)
(New construction)
yy
yyy
21½"
Mounting brackets mounted
to top of sides of housing.
(Outlet parallel to joists.)
(New or existing construction)
WIRING OPTIONS
WIRING PLATE
POSITION
HORIZONTAL POWER
CABLE CONNECTION
Wiring plate mounts to side or top of housing.
PPP
PPP
yyy @@
PPP
@@@
PPP
@@@
PPP
@@@
PPP
@@@
@@@
@@@
yy
@@
PP
@@
PP
PP
PP
PP
@@
@@
PP
@@
yyy
PPP
PPP
@@@
PPP
@@@
PPP
@@@
PPP
@@@
PPP
@@@
@@@
1
1
/
"
8
MAX.
yy
21½"
Mounting brackets flipped
over and mounted to outlet
sides of housing.
(Outlet parallel to joists.)
(Existing construction)
y
21½"
Mounting brackets flipped
over to give approx. 1"
more clearance.
(Outlet parallel to joists.)
(New construction)
9
1
/
" to
2
10
1
/
"
2
yy
21½"
Mounting brackets flipped
over and mounted to top of
sides of housing.
(Outlet parallel to joists.)
(New or existing construction)
VERTICAL
CONNECTION
®
DUCTING OPTIONS
BLOWER DISCHARGE POSITIONS
DUCT CONNECTOR
1½"
to
yyy
2½"
1
1
/
"
BLOWER
2
to
2
1
/
"
2
Blower and duct connector
yyy
in horizontal discharge
position. (Factory shipped)
DUCTING (Vertical blower discharge)
10"
ROUND
10
3
/
" to
DUCT
4
11
3
/
"
4
yyy
Typical ductwork connection to a ventilator converted to
USE AND CARE
Ventilator is designed for continuous operation. If desired, it may be
controlled using an on/off switch or a solid-state, variable speed
control. Follow wiring instructions packed with control, and adhere
to all local and state codes, and the National Electrical Code.
To clean grille: Use appropriate vacuum attachment or remove
grille and clean with a soft cloth and mild soap or detergent. Dry
POWER
grille thoroughly before reinstalling.
CABLE
To clean blower assembly: Remove grille, unplug blower from
housing, remove blower mounting nuts, and carefully remove blower
from housing. Use appropriate vacuum attachment or a soft cloth
and mild soap or detergent to clean blower discharge area and
wheel. DO NOT ALLOW WATER TO ENTER MOTOR. Make sure
blower assembly is completely dry before reinstalling.
Motor is permanently lubricated. Do not oil or disassemble motor.
VCDD040C • VCDD050C • VCDD070C
Change
blower
& duct
connector
positions
for vertical
discharge.
ROOF CAP
vertical discharge.
WARNING: To reduce the risk of electric shock,
disconnect from power supply before servicing.
MODELS
Page 3
DUCT CONNECTOR
BLOWER
Blower and duct connector
in vertical discharge
position.
4½" X 18½"
TO 10" ROUND
TRANSITION
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