Upblast Centrifugal Roof Exhaust
1
Document 474737
Model XRUD Direct Drive
Model XRUB Belt Drive
Upblast Centrifugal Roof Exhaust
Installation, Operation and Maintenance Manual
Please read and save these instructions for future reference. Read carefully before attempting to assemble, install,
operate or maintain the product described. Protect yourself and others by observing all safety information. Failure
to comply with these instructions will result in voiding of the product warranty and may result in personal injury and/
or property damage.
Only qualified personnel should install this fan.
Personnel should have a clear understanding of these
instructions and should be aware of general safety
precautions. Improper installation can result in electric
shock, possible injury due to coming in contact with
moving parts, as well as other potential hazards. Other
considerations may be required if high winds or seismic
activity is present. If more information is needed,
contact a licensed professional engineer before moving
forward.
1. Follow all local electrical and safety codes, as well as
the National Electrical Code (NEC) and the National
Fire Protection Agency (NFPA), where applicable.
Follow the Canadian Electrical Code (CEC) in
Canada.
2. The rotation of the wheel is critical. It must be free
to rotate without striking or rubbing any stationary
objects.
3. Motor must be securely and adequately grounded.
4. Do not spin fan wheel faster than max cataloged fan
RPM. Adjustments to fan speed significantly affects
motor load. If the fan RPM is changed, the motor
current should be checked to make sure it is not
exceeding the motor nameplate amps.
5. Do not allow the power cable to kink or come in
contact with oil, grease, hot surfaces or chemicals.
Replace cord immediately if damaged.
6. Verify that the power source is compatible with the
equipment.
Direct Drive
Upblast Centrifugal Exhaust Fan
These fans are specifically designed for
roof and wall mounted applications. The
maximum continuous operating temperature
for fan sizes 099-300 is 400°F
(204°C)
and
for fan sizes 060-095 is 130°F
(54°C)
. Direct
drive fans are available with nominal wheel
diameters ranging from 9 to 30 inches
(229 to 762 mm)
(060-300 unit sizes). Each
fan shall bear a permanently affixed manufacturer’s
engraved metal nameplate containing the model
number and individual serial number.
Belt Drive
Upblast Centrifugal Exhaust Fan
These fans are specifically designed for
roof and wall mounted applications. The
maximum continuous operating temperature
is 400°F
(204°C)
. Belt drive fans are available
with nominal wheel diameters ranging
from 10 to 48 inches
(254 to 1219 mm
)
(099-480 unit sizes). Each fan shall bear a
permanently affixed manufacturer’s engraved
metal nameplate containing the model number and
individual serial number.
DANGER
Always disconnect, lock and tag power source before
installing or servicing. Failure to disconnect power
source can result in fire, shock or serious injury.
CAUTION
When servicing the fan, motor may be hot enough
to cause pain or injury. Allow motor to cool before
servicing.
CAUTION
Precaution should be taken in explosive atmospheres.
DANGER
Pour écarter les risques d’incendie, de choc électrique
ou de blessure grave, veiller à toujours débrancher,
verrouiller et étiqueter la source de courant avant
l’installation ou l’entretien.
ATTENTION
Lors de toute intervention sur la soufflante, le moteur
peut être suffisamment chaud pour provoquer une
douleur voire une blessure. Laisser le moteur refroidir
avant toute maintenance.
ATTENTION
Faire preuve de précaution dans les atmosphères
explosives.
7. Never open access doors to a duct while the fan is
running.
General Safety Information
