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!
Packaged Rooftop Ventilator
1
Document 475597
Model XRV
Packaged Rooftop Ventilator
General Safety Information
WARNING
The roof lining contains high voltage wiring. To prevent
electrocution, do not puncture the interior or exterior
panels of the roof.
DANGER
• Always disconnect power before working on or near
this equipment. Lock and tag the disconnect switch
or breaker to prevent accidental power up.
• If this unit is equipped with optional gas accessories,
turn off gas supply whenever power is disconnected.
CAUTION
This unit is equipped with a compressed refrigerant
system. If a leak in the system should occur,
immediately evacuate the area. An EPA Certified
Technician must be engaged to make repairs or
corrections. Refrigerant leaks may also cause bodily
harm.
CAUTION
When servicing the unit, the internal components may
be hot enough to cause pain or injury. Allow time for
cooling before servicing.
This appliance is not intended for use by persons
(including children) with reduced physical, sensory
or mental capabilities, or lack of experience and
knowledge, unless they have been given supervision
or instruction concerning use of the appliance by the
person responsible for their safety. Children should
be supervised to ensure they do not play with this
appliance. 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. All moving parts must be free to rotate without
striking or rubbing any stationary objects.
3. Unit must be securely and adequately grounded.
4. Do not spin wheel faster than maximum cataloged
fan RPM. Adjustments to fan speed significantly
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. Verify that the power source is compatible with
the equipment.
6. Never open access doors to the unit while it is
running.
