NuTone QT1000, QT700 User Manual
INSTALLATION INSTRUCTIONS
READ & SAVE THESE INSTRUCTIONS!
QuieTTest
®
Twin Blower Ventilator
MODELS: QT700 & QT
1000
FOR BEST RESULTS
Refer to Figure 1 for dimensions of the housing.
When installing the ventilator in a new construction site,
install housing during the rough-in construction of the
building. The power unit and grille should be installed after
the finished ceiling is in place.
To install the ventilator in an existing building, an
accessible area (attic or crawl space) is required from
above the planned location.
PREPARATION
Unplug the electrical connector from the blower. Do not
pull on plug wires.
Remove the power unit from the housing assembly.
(a) Remove 91⁄16" hex nuts holding power unit in place.
(b) Pivot the blower assembly slightly toward the back
of the housing and lift straight out.
(c) Set the power unit aside.
IMPORTANT SAFETY INSTRUCTIONS
WARNING: TO REDUCE THE RISK OF FIRE.
ELECTRIC SHOCK, OR INJURY TO PERSONS,
OBSERVE THE FOLLOWING:
A. Use this unit only in the manner intended by the
manufacturer. If you have questions, contact
the manufacturer.
B. Before servicing or cleaning unit, switch power off
at service panel and lock service panel to prevent power
from being switched on accidentally.
When the service disconnecting means cannot be locked,
securely fasten a prominent warning device, such as a tag, to
the service panel.
CAUTION:
For general ventilating use only. Do not use to exhaust
hazardous or explosive materials and vapors.
INSTALLATION INSTRUCTIONS
WARNING: TO REDUCE THE RISK OF FIRE,
ELECTRIC SHOCK, OR INJURY TO PERSONS,
OBSERVE THE FOLLOWING:
A. Installation work and electrical wiring must be done by
qualified person(s) in accordance with all applicable codes
and standards, including fire-rated construction.
B. Sufficient air is needed for proper combustion and
exhausting of gases through the flue (chimney) of fuel
burning equipment to prevent back drafting. Follow the
heating equipment manufacturer’s guideline and safety
standards such as those published by the National Fire
Protection Association (NFPA), and the American Society
for Heating, Refrigeration, and Air Conditioning Engineers
(ASHRAE), and the local code authorities.
C. When cutting or drilling into wall or ceiling, do not damage
electrical wiring and other hidden utilities.
D. Ducted fans must always be vented to the outdoors.
E. If this unit is to be installed over a tub or shower, it must
be marked as appropriate for the application.
F. NEVER place a switch where it can be reached from
a tub or shower.
DESCRIPTION
• Designed for ceiling installation.
• Refer to Figure 8. Not for use in cooking area.
• Uses 6" x 19" duct.
• Suitable for use with solid-state speed controls.
• Do not cover with insulation of a value greater than R-40.
• The ventilator consists of the housing, mounting brackets,
junction box, power unit/blower assembly, damper section
and grille assembly.
FIGURE 1
HOUSING DIMENSIONS
1815⁄16"
15
7
⁄16"
14
7
⁄8"
2111⁄16"
7"
231⁄
4
"
5
7
⁄8"
DUCTING OPTIONS
Refer to Figures 2 and 3.
The ventilators may be ducted either horizontally or vertically.
As illustrated, position and secure the damper section to the housing in the desired position.
MOUNTING THE HOUSING
TYPICAL MOUNTING
1. Refer to Figure 4. Provide a solid mounting frame
to assure the lowest possible sound levels.
NOTE: Be certain the housing will be flush with the
finished ceiling surface.
2. Refer to Figure 5. Position the housing against the
frame and trace the mounting bracket's keyhole slots
onto the frame. Secure the housing to the frame using
the screws provided.
3. When hanging the unit, tighten the mounting screws
securely to assure the lowest possible sound levels.
FIGURE 2
FIGURE 3
FIGURE 4
FIGURE 5
VERTICAL DISCHARGE HORIZONTAL DISCHARGE
SCREWS (8)
VENTILATOR
UNIT
SCREWS (8)
OPTIONAL MOUNTING METHODS
The mounting brackets may be adjusted and/or moved for various types of installation.
To adjust bracket position, loosen 7⁄
16
" hex nuts and
move brackets up or down. Re-tighten hex nuts securely.
To move brackets, remove
7
⁄
16
" hex nuts. Re-position
brackets on different set of slots. Replace hex nuts and
tighten securely.
Reverse brackets to allow approximately 1" of additional
clearance space. remove hex nuts, flip brackets over and
replace hex nuts. Tighten nuts securely.
For in-line installation, remove
7
⁄16" hex nuts. Re-position
brackets so that the housing's opening is at the side
instead of the bottom.
MOUNTING BRACKETS LOCATED
ON EACH SIDE OF THE HOUSING
ARE ADJUSTABLE TO ALLOW FOR
VARIOUS CEILING THICKNESSES
133⁄
16
" MINIMUM
TO
14
3
⁄
16
" MAXIMUM
1
7
⁄16"MINIMUM
TO
27⁄16" MAXIMUM
12" MINIMUM
TO
13" MAXIMUM
INSTALLATION IN
METAL CEILING JOISTS
1
1
⁄
4
" MAXIMUM
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