Viking VBCV4238, Installation Instructions Manual, Page: 5 / 12

9
INSTALLING ROUGH-IN PLATE AND CONNECTING DUCT -EXTERNAL POWER
(Also see instructions supplied with ventilator kit)
1. Run 10” round steel ductwork, from exterior blower to the installationlocation. For best performance, use the
straightest possible duct run and the fewest number of elbows. Tape all joints.
2. Run 120 VAC electrical power cable from service panel and from remote blower to installation location.
3. Remove wiring box cover. Remove knockouts from the wiring box. Feed 6” of power cable through the openings
and attach cables to wiring box with appropriate connectors.
4. Wire black to black, white to white, and green or
bare wire beneath green ground screw. Replace
wiring box cover.
5. Attach rough-in plate to the studs at the inside top
of hood with (4) #10-24 nuts provided.
6. Connect ductwork to rough-in plate and tape
joint.
7. Plug the rough-in plate power cord into the
receptacle located on the top side of the
light panel. Receptacles are located behind
and above control panel
10” (25.4 cm)
Round Duct
Wire from
breaker goes
to three prong
female plug.
Wire from blower goes
to two prong male
plug
3-prong power supply
plug-in
2-prong blower plug-in
VIV1200 - Interior-Power Ventilator Kit (1200 CFM)
(also see instructions supplied with ventilator kit)
1. Make sure barrel nuts and wing nut are engaged halfway onto threaded stud.
2. Lift ventilator into canopy - may be easier to turn ventilator side ways to lift into canopy then rotate into mounting
position.
3. Engage tab on ventilator with slot in rough-in plate AND engage slot in ventilator with barrel nut on threaded
stud.
4. Push ventilator towards the back of hood to fully
engage.
5. Use a long, flat-head screwdriver to tighten the barrel
nut securely.
6. Plug the ventilator power cord into the receptacle
located on the topside of the light panel.
*NOTE: Island Hoods Only - Upper filter support must
be removed before blower can be installed.
8
INSTALLING THE VENTILATORS
VIV300 or VIV600 - Interior-Power Ventilator Kit (300 or 600 CFM)
(also see instructions supplied with ventilator kit)
1. Make sure barrel nuts and wing nut are engaged halfway onto threaded stud.
2. Lift ventilator into canopy - may be easier to turn ventilator side ways to lift into canopy then rotate into mounting
position.
3. Lift ventilator allowing barrel nuts to come through
large end of keyhole opening.
4. Slide ventilator to the right, engaging barrel nuts
into small end of keyhole openings and engaging
studs with wing nut in slot on right side of
ventilator. Make sure discharge openings
match.
5. Tighten barrel nuts and wing nut.
6. Plug the ventilator power cord into the receptacle
located on the topside of the light panel.
*NOTE: Island Hoods Only - Upper filter
support must be removed before blower can
be installed.
600 CFM Blower
1200 CFM Blower
Rough-in
Plate
Studs
Wingnut
Barrel Nuts
Top of Hood
Top of Hood
Slot
Rough-in Plate
Studs
Barrel Nut
Transition
9”
(22.9 cm)
Upper Filter
Support Island
Hoods Only
Upper Filter Support
Island Hoods Only