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CAUTION
1. For general ventilating use only. Do not use to exhaust
hazardous or explosive materials and vapors.
2. To avoid motor bearing damage and noisy and/or unbal-
anced impellers, keep drywall spray, construction dust,
etc. off power unit.
3. If ventilator is installed in an unconditioned space
(such as an attic): Surround the ventilator with thermal
insulation - to minimize possible condensation.
4. Please read specification label on product for further
information and requirements.
WARNING
WARNING
TO REDUCE THE RISK OF FIRE, ELECTRIC SHOCK,
OR INJURY TO PERSONS, OBSERVE THE FOLLOW-
ING:
1. Use this unit only in the manner intended by the manu-
facturer. If you have questions, contact the manufac-
turer at the address or telephone number listed below
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 prominent warning device, such as a
tag, to the service panel.
3. Installation work and electrical wiring must be done by
qualified person(s) in accordance with all applicable
codes and standards, including fire-rated construction
codes and standards.
4. Sufficient air is needed for proper combustion and
exhausting of gases through the flue (chimney) of fueling
equipment to prevent backdrafting. Follow the heating
equipment manufacturer’s guideline and safety stan-
dards such as those published by the National Fire
Protection Association (NFPA), and the American Soci-
ety for Heating, Refrigeration and Air Conditioning Engi-
neers (ASHRAE), and the local code authorities.
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. This unit must be grounded.
PLAN THE INSTALLATION
Adequate ventilation requires that both intermittent and
continuous contamination be controlled.
Intermittent ventilation must be provided in the bathroom
and kitchen. The bathroom requires 8 air changes per hour.
(Multiply bathroom sq. footage by 1.1 for proper fan
sizing).
The kitchen requires a minimum of 150 CFM capacity (71
l/s) when a ducted range hood is used. If a kitchen fan is
used, determine fan capacity by multiplying the room's sq.
footage by 2. All are run intermittently to control pollution at
the source.
Continuous ventilation, while the house is occupied, pro-
vides the flow of fresh air for good indoor air quality.
This ventilator is intended for continuous operation, supply-
ing fresh air to the entire house.
RECOMMENDED VENTILATOR SIZING
READ AND SAVE THESE INSTRUCTIONS
*AC/HR = Air Changes per Hour. Based on 8' ceilings.
Square Feet x .093 = Square Meters
.50 AC/HR* .35 AC/HR* .30 AC/HR*
1500 2140 2500
2100 3000 3500
3000 4285 5000
MODEL
MP100
MP140
MP200
(include finished basement area)
DWELLING SIZE RANGE (Sq. Ftg.)
MODELS MP100, MP140 & MP200
MULTI-PORT IN-LINE FANS