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INSTALLATION IN A NEW
CONSTRUCTION SITE (
GRILLE INSTALLATION
1. Refer to Figure 8. Squeeze grille mounting springs and insert into
slots in the housing.
2. Press grille firmly into place against ceiling.
MAINTENANCE
WARNING: Risk of fire or electrical shock; disconnect
the power before cleaning or performing any
maintenance on the ventilator.
If the grille becomes soiled, use only a mild soap and water solution for
cleaning. Do not use solvents or abrasive cleaners.
INSTALLATION IN
EXISTING CONSTRUCTION
Installing a ventilator in an existing construction site requires at least a small
accessible area (attic or crawl space) above the planned installation location.
Review "INSTALLATION IN A NEW CONSTRUCTION SITE" and follow all
instructions which apply to your installation.
Locate the ventilator next to a ceiling joist.
Plan the ductwork and wiring before proceeding with the installation.
CAUTION: Check the area above the planned
installation to ensure that:
1. Ductwork can be installed or that the area is sufficient for proper mounting.
2. Wiring can be run to the planned location.
3. No wiring or other obstruction will interfere with the installation.
INSTALLATION FROM
ACCESSIBLE AREA ABOVE
(
USING HEADERS
1. From below the installation site, drill a small hole in ceiling at the planned
location.
2. Locate hole in attic or crawl space.
3. In attic or crawl space, mark ceiling for cutout by using the housing as a
template. Cutout dimensions: 10³⁄
of the cutout must be right next to the ceiling joist.
4. Refer to Figure 9. Mark cutout along marked line.
NOTE: If ceiling is plaster, cutout should be made
from below to avoid chipping plaster.
5. Install headers between joists using nails or screws leaving 10³⁄
between them.
6. Install brackets upside down on housing's long dimension using hex
nuts.
7. Mount damper section to housing, install housing and connect wiring
and ductwork. Install power unit/blower assembly and grille.
CONT
)
" x 14½". The short side (10³⁄
16
'
)
D
H
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OD
S
LOT
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LIP
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16
"
16
H
EADER
BH0041
MODELS QT200 • QT300
M
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OUNTING
RACKET
H
H
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OOK
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ODS
I
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FROM
NSIDE TO
UTSIDE
Page 3
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OWER
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OUNTING
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PRING
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EADER
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