®
Document 481153
Model IGX
Make-Up Air Unit
Model IGX Make-Up Air
1
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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 instructions could result in personal injury and/or property damage!
General Safety Information
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. Follow the Canadian Electrical Code
(CEC) in Canada.
2. The rotation of the supply fan 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
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.
7. Never open fan access doors while the fan
is running.
DANGER
Always disconnect power before working
on or near a unit. Use appropriate lockout
tagout procedures 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.
FOR YOUR SAFETY
If you smell gas:
• Open
windows.
• Extinguish any open flame.
• Do not try to light any appliance.
• Do not touch electrical switches.
• Leave the building immediately.
• Immediately call your gas supplier.
• If you cannot reach your gas supplier, call
the fire department.
FOR YOUR SAFETY
The use and storage of gasoline or other
flammable vapors and liquids in open
containers in the vicinity of this appliance
is hazardous.
WARNING
Improper installation, adjustment, alteration,
service or maintenance can cause
property damage, injury or death. Read the
installation, operating and maintenance
instructions thoroughly before installing or
servicing this equipment.
