Instructions / Assembly

Page 2
MODEL 751
INSTALLATION IN A
NEW CONSTRUCTION SITE
PREPARATION
1. Refer to Figure 1. Remove power unit/blower assembly from
housing.
A. Unplug power unit.
B.Removescrew(locatednexttoplug-inreceptacle)whichholds
power/blower unit mounting plate in place. Save screw.
C.Liftmountingplateatendneartheplug-inreceptacleuntilblower
wheel clears the scroll.
D. Remove plate by pulling its tabs out of slots in housing. Set
power/blower unit aside until needed.
MOUNTING THE HOUSING
MOUNTNG USING MOUNTING TABS
Refer to Figure 2.
1. Locatefanhousingnexttoceilingjoist.
2. Use wood screws (not provided) to loosely attach housing to
ceiling joist through the keyhole slots in mounting tabs.
3. Adjusthousingsothatitwillbeushwithnishedceiling.Forthe
grilletotproperly,thehousing’srimmustnotextendbeyond
nishedceilingsurface.
4. When housing is properly adjusted, tighten screws in slots.
MOUNTING USING HANGER BARS
Refer to Figure 3.
1. Insert hanger bars in slots provided in housing.
2. Locatefanhousingbetweenjoistssothatthebottomofthehous-
ingisevenwiththeplannednishedceiling.Extendthehanger
bars to the joists.
3. Use screws or nails (not provided) to secure hanger bars to ceil-
ing joists.
INSTALLING DUCTWORK
1. Refer to Figure 2. Placeductcollaroverangesatdischarge
opening of fan. Secure collar by snapping tabs into slots in
anges.
2. Run 4” round duct from fan’s discharge opening to the outside
and terminate.
3. Connect duct to fan’s duct collar.
WIRING
All wiring must comply with local codes and unit must be
properly grounded.
1. Run 120vAC house wiring (with ground) from wall switches to
fan location.
2. Insertandsecureanapprovedboxconnectorintowiringentrance
hole.
3. Pullwiresthroughboxconnectorandintojunctionbox.Tighten
boxconnector.
4. Refer to Figure 4. Connect white wires from the fan and light
receptacles to white (neutral) wire from the supply. Connect black
wire from fan receptacle (black) to wire from fan switch. Connect
blue wire from light receptacle (white) to wire from light switch.
5. Connect the green (or bare) ground wire to the green ground
lead.
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