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Figure 6
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 disconnecting means to prevent power
from being switched on accidentally. When the service disconnect-
ing 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.
3 Operation
3.1 Using the Timers
1. Setting The 7-Day Timer
Rotate the timer dial until the white pointer indicates
the correct time of day. Each segment moved toward the
dial center represents 2 hours of low speed exhaust fan
operation. Typically, the timer is set to operate during the
time of occupancy. If additional ventilation is required to
control moisture and odors, additional spades can be
moved in. If the home becomes too dry, decrease the
hours of low speed operation.
3.2. Using Remote Timers
Estimate the ventilation time required and set it on the
timer. Activate the timer whenever moisture or odors are
generated in the room. If timers are not available locally,
they may be ordered with the Quiet-Vent.
3.2 Adjusting the Amount of Ventilation
The amount of air removed from the home depends on the
restrictions in the duct system and the amount of time the
system operates. If more or less ventilation is required
the 7-day timer can be set for more or less low speed
operation. The air flow can be reduced by installing a duct
damper in the exhaust duct of the Quiet-Vent.
By partially closing the damper, the CFM of stale air
removed from the house can be reduced. Figure 6
indicates air flow and power consumption versus static
duct pressure.
4 Maintenance
4.1 Lubricating the Blower Motor
Although the motor is factory lubricated for many years of
normal operation, additional oiling will extend motor life.
To facilitate motor oiling, tubing from the motor extends
outside the Quiet-Vent cabinet (See Fig. 1). Five to ten
drops of SAE 20 Non-Detergent oil is recommended every
six months.
4.2 Cleaning the Blower Screen
WARNING: Disconnect the appliance from the power supply before
cleaning the blower screen.
A coarse screen covers the blower inlet port located
inside the Quiet-Vent cabinet. Vacuuming the screen is
recommended every six months. Remove the 4” x 4” cover
on the side of the Quiet-Vent cabinet for access (See Fig.
2).