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MODEL QTRE100S
WARNING
TO REDUCE THE RISK OF FIRE, ELECTRIC SHOCK, OR IN-
JURY TO PERSONS, OBSERVE THE FOLLOWING:
1. Use this unit only in the manner intended by the manufacturer.
If you have questions, contact the manufacturer at the address
or telephone number listed in the warranty.
2. Before servicing or cleaning unit, switch power off at service
panel and lock the service disconnecting means to prevent
power from being switched on accidentally. When the service
disconnecting means cannot be locked, securely fasten a promi-
nent warning device, such as a tag, to the service panel.
3. Installation work and electrical wiring must be done by a qualified
person(s) in accordance with all applicable codes and stan-
dards, including fire-rated construction codes and standards.
4. Sufficient air is needed for proper combustion and exhausting
of gases through the flue (chimney) of fuel burning equip
-
ment to prevent backdrafting. 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 authori-
ties.
5. When cutting or drilling into wall or ceiling, do not damage
electrical wiring and other hidden utilities.
6. Ducted fans must always be vented to the outdoors.
7. Acceptable for use over a tub or shower when connected to
a GFCI (Ground Fault Circuit Interrupter) - protected branch
circuit.
8. This unit must be grounded.
CAUTION
1. For general ventilating use only. Do not use to exhaust hazard
-
ous or explosive materials and vapors.
2. This product is designed for installation in flat ceilings only. DO
NOT MOUNT THIS PRODUCT IN A WALL.
3. To avoid motor bearing damage and noisy and/or unbalanced
impellers, keep drywall spray, construction dust, etc. off power
unit.
4. Please read specification label on product for further information
and requirements.
HUMIDITY SENSING FAN
READ AND SAVE THESE INSTRUCTIONS
CLEANING & MAINTENANCE
Installer: Leave this manual with the homeowner.
For quiet and efficient operation, long life, and attractive appear
-
ance - lower or remove grille and vacuum interior of unit with the
dusting brush attachment.
The motor is permanently lubricated and never needs oiling. If the
motor bearings are making excessive or unusual noises, replace
the motor / blower wheel assembly.
SENSOR CLEANING
The humidity sensor is mounted in the control housing. The sensor
will operate most reliably when cleaned occasionally as follows:
1. Disconnect power at service entrance.
2. Remove the grille. Use a dry dustcloth, clean toothbrush,
or lightly vacuum to clean sensor and grille. DO NOT USE
ABRASIVE CLOTH, STEEL WOOL PADS, OR SCOURING
POWDERS.
3. DO NOT USE cleaning sprays, solvents, or water on or near
the sensor!
OPERATION
The humidity control and fan can be operated separately. Use a
1- or 2-function wall control. Do not use a dimmer switch to operate
the humidity control. See “Connect Wiring” for details.
SENSOR OPERATION
The humidity-sensing
fan uses a sophisticated humidity sensor
that responds to: (a) rapid to moderate increases in humidity or (b)
humidity above a set-point. The humidity sensor may occasionally
turn the fan ON when environmental conditions change.
MANUAL ON WITH TIMED OFF
The humidity sensing fan has an additional operation feature. For
odor or vapor control, the fan can be energized by cycling the
power switch. Once the fan has been energized in this manner, it
will remain on for 20 minutes.
To manually energize the fan:
1. If fan power switch is already ON, proceed to Step 2; otherwise,
turn power switch ON for more than 1 second.
2. Turn fan power switch OFF for less than 1 second.
3. Turn fan power switch back ON and fan will turn ON.
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