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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 9
1
⁄
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
18
15
⁄
16
"
15
7
⁄
16
"
14
7
⁄
8
"
21
11
⁄
16
"
7"
23
1
⁄
4
"
5
7
⁄
8
"