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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.
Centrifugal Single-Width Blower
Document 484640
Model CSB
Only qualified personnel should install this unit.
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 are 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), the National
Fire Protection Agency (NFPA), where applicable.
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 the maximum
cataloged fan RPM. Adjustments to fan speed with
Variable Frequency Drives (VFD) may affect 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.
7. Never open access doors to a duct while the fan
is running.
DANGER
Always disconnect power before working on or near
a unit. Lock and tag the disconnect switch or breaker
to prevent accidental power up.
CAUTION
When servicing the unit, motor may be hot enough
to cause pain or injury. Allow motor to cool before
servicing.
Model CSB Centrifugal Single Width Blower
The single-width centrifugal blower is designed for supply,
exhaust or return air installations. Performance capabilities range
up to 17,000 cmh and up to
5.8 in. wg.
of static pressure.
CSB fans are available in 8 sizes with wheel diameters ranging
from 315 - 710 mm. Each fan shall bear a permanently affixed
manufacturer’s engraved metal nameplate containing the model
number and individual serial number.
General Safety Information
