3
II. Cautions and Warnings
CAUTION
Do not operate fan without fanguard in place.
CAUTION
The risk of fire, electric shock or injury exists when cleaning or performing maintenance on these
units. Disconnect this fan from the power supply before servicing.
WARNING
TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK:
Do Not Use This Fan With Any Solid-State Speed Control Device.
WARNING
TO REDUCE THE RISK OF FIRE, ELECTRIC SHOCK OR INJURY, OBSERVE THE FOLLOWING:
Use this unit only in the manner intended by Kooltronic. If you have questions, contact Kooltronic.
Before servicing or cleaning this unit, switch power off at the service panel and lock service panel
to prevent power from being switched on accidentally. If service panel cannot be locked, securely
fasten a prominent warning device, such as a tag, to the panel.
WARNING
TO REDUCE THE RISK OF FIRE, ELECTRIC SHOCK OR INJURY, OBSERVE THE FOLLOWING:
Installation work and electrical wiring must be done by qualified person(s) in accordance with all
applicable codes and standards, including fire-rated construction. When cutting or drilling into a
wall or ceiling, do not damage electrical wiring and other hidden utilities.
CAUTION
For general ventilating use only. Do not use these fans to exhaust hazardous or explosive material
and vapors.
CAUTION
NOT ALL SYSTEMS ARE SUITABLE FOR UTILIZING OUTSIDE AIR
To protect sensitive components against condensation an enclosure heater or closed-loop cooling
is recommended. To protect sensitive components against corrosive elements closed-loop cooling
is recommended.
