I.O.M. •
E
LECTRIC
D
UCT
H
EATER
15
Environmental Technologies, Inc. •©June, 2001 • Electric Duct Heater IOM
SAFETY CONSIDERATIONS
The equipment covered by this manual is designed for safe and reliable operation when installed and
operated within its design specification limits. To avoid personal injury or damage to equipment or prop-
erty while installing or operating this equipment, it is essential that qualified, experienced personnel per-
form these functions using good judgement and safe practices. See the following cautionary statements.
DANGER
ELECTRICAL SHOCK HAZARDS.
All power must be disconnected prior to installation and serving this
equipment. More than one source of power may be present. Disconnect all power sources to avoid elec-
trocution or shock injuries.
HOT PARTS HAZARD.
Electric Resistance heating elements must be disconnected prior to servicing.
Electric Heaters may start automatically, disconnect all power and control circuits prior to servicing to
avoid burns.
WARNING
Check that the unit assembly and component weights can be safely supported by rigging and lifting
equipment.
All assemblies must be adequately secured during lifting and rigging by temporary supports and restraints
until equipment is permanently fastened and set in its final location.
All unit temporary and permanent supports must be capable of safely supporting the equipment's weight
and any additional live or dead loads that may be encountered. All supports must be designed to meet
applicable local codes and ordinances.
All fastening devices must be designed to mechanically lock the assembly in place without the capability
of loosening or breaking away due to system operation and vibration.
