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99-NBQ
The 99-NBQ mixed flow range of inline duct exhaust fans
have been manufactured in accordance with the rigorous
standards of production as defined by the International
Quality Standards ISO 9001. All the components have
been checked and tested at the end of the manufacturing
process.
We recommend that you check the following after receiv-
ing the product:
1. The correct size has been received.
2. The correct model has been received.
3. That the details on the rating label correspond to the
electrical supply: voltage frequency, etc.
Remove the unit from packaging and inspect for shipping
damage with in 15 days of receipt. If the product is found
to be damaged, immediately contact your local authorized
supplier. DO NOT OPERATE UNIT IF DAMAGED.
These instructions should be considered as a supplement
to EPA standard practices, as well as all state and local
building code regulations.
Environment
The 99-NBQ series of fans are suitable for operation in
both Indoor and Outdoor environments. All models are
suitable for exhaust or supply operation in the temperature
range (inclusive of duct airstream temperature) of -40˚C
(-40˚F) up to +60˚C (140˚F).
Installation
WARNING: To reduce the risk of fire or electric shock,
injury to persons, observe the following:
a) Use this unit only in the manner intended by the manu-
facturer. If you have any questions, contact the
manufacturer.
b)
Before servicing or cleaning the unit, switch the power
off at the service panel and lock the service disconnect
-
ing 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.
c) Installation work and electrical wiring must be done by
qualified person(s) in accordance with all applicable
codes and standards including fire rated construction.
d) 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 manufacturers’ 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.
e) When cutting or drilling into wall or ceiling, do not dam-
age electrical wiring and other hidden utilities.
f) Ducted fans must always be vented to the outdoors.
g) If this unit is to be installed over a tub or a shower, it
must be marked as appropriate for the application and
connected to a GFCI (Ground Fault Circuit Interrupter)
- protected branch circuit.
h) Never place a switch where it can be reached from a
tub or shower.
i) CAUTION: For general ventilating use only. Do not
use to exhaust hazardous or explosive materials
and vapours.
j) CAUTION: This unit has an unguarded impeller. Do
not use in locations readily accessible to people or
animals.
The 99-NBQ series can be mounted in any orientation,
horizontal or vertical and is suitable for numerous types of
applications. See Figure (1). Illustration of some typical
applications.
IMPORTANT:
When using 99-NBQ units in conjunction
with range hoods, the following instructions should be
noted.
WARNING- TO REDUCE THE RISK OF A RANGE TOP
GREASE FIRE, OBSERVE THE FOLLOWING:
a) Never leave surface units unattended at high settings.
Boil-overs cause smoking and greasy spill-overs that
may ignite.
b) Always turn hood ON when cooking at high heat or
when cooking flaming foods.
c) Clean ventilating fans frequently. Grease should not be
allowed to accumulate on fan or filter.
d) Use proper pan size. Always use cookware appropriate
for the size of the surface element.
WARNING - TO REDUCE THE RISK OF INJURY TO PER-
SONS IN THE EVENT OF A RANGE TOP GREASE FIRE,
OBSERVE THE FOLLOWING:
a) Smother flames with a close fitting lid, cookie sheet or
metal tray, then turn off the burner. Be careful to pre
-
vent burns. If flames do not go out immediately,
evacuate and call the fire department.
b)
Never pick up a flaming pan - you may be burned.
c)
Do not use water, including wet dishcloths or towels, a
violent steam explosion will result.
d) Use an extinguisher ONLY IF:
(i) You know you have a class ABC extinguisher and
you already know how to operate it.
(ii) The fire is small and contained where it started.
Instructions