CCI Thermal Technologies RXDF - Explosion-Proof Duct Heater - Manual

CCI Thermal Technologies Inc. 2767 Brighton Road, Oakville, ON L6H 6J4 Tel. (905) 829-4422 Fax (905) 829-4430
www.ccithermal.com
MI289 REV.1 Page 1 of 4
INSTALLATION, OPERATION AND MAINTENANCE INSTRUCTIONS FOR
TYPE XDF – EXPLOSION PROOF DUCT HEATER
1.0 SCOPE
This manual details the installation, operation, and maintenance
instructions for Caloritech™ type XDF explosion-proof duct heaters.
Refer to Section 10 for specific drawings and bills of materials for
related equipment supplied under this order.
Your XDF explosion-proof duct heater has been CSA C/US Certified
to meet the requirements for hazardous location equipment for use
in Canada and the United States. When properly maintained and
serviced, you can expect years of trouble free operation.
Carefully read and follow all instructions outlined in this manual to
ensure proper installation and safe operation of your heater.
2.0 GENERAL INFORMATION
2.1 DESCRIPTION
Caloritech™ type XDF explosion-proof duct heaters are designed
for heating air or gases that contain potentially explosive substances.
XDF heaters feature the unique Caloritech™ approach to explosion-
proof electric heater design, which embodies safety and reliability.
The XDF is a factory pre-wired explosion-proof duct heater.
Standard models are available in three duct sizes, with either a
single or double bank of heating modules. XDF heaters are available
as standard units with T3B, T3A, or T2D hazardous area
temperature codes.
2.2 APPLICATION
The XDF is designed specifically for heating industrial spaces where
potentially explosive substances are or may be present. Typical
hazardous location environments include:
• Water and sewage treatment plants
• Oil refineries
• Pulp and paper mills
• Petrochemical plants
• Grain elevators
• Paint storage booths
• Cement plants
2.3 CONSTRUCTION
The XDF explosion-proof duct heater features heavy-walled car-
bon steel finned tubular heating elements with electroless nickel
plated finish to provide safe, efficient, low temperature heat trans-
fer. Standard units have a painted carbon steel duct section with
mounting holes provided for attachment to the duct section.
XDF heaters feature the unique Caloritech™ patented x-Max®
copper-free aluminum extruded terminal housing. A track-and-trol-
ley system and threaded covers on each end allow easy access to
wiring terminal connections.
Units are suitable for mounting in a horizontal duct section only.
2.4 STANDARD PRODUCT FEATURES
• T2D, T3A, or T3B temperature code
• CSA C/US Certified for use in hazardous areas. T2D units
Certified for use in Class I, Division 1 & 2, Group C & D
hazardous areas. T3A units Certified for use in Class I,
Division 1 & 2, Group C & D; Class II, Division 1 & 2, Group
E & F hazardous areas. T3B units Certified for use in Class
I, Division 1 & 2, Group C & D; Class II, Division 1 & 2,
Group E, F, & G hazardous areas.
• Painted steel duct section
• Differential pressure switch (supplied loose)
• Factory installed high limit sensing thermocouple(s)
2.5 OPTIONAL PRODUCT FEATURES
• Transition sections
• Stainless steel duct section
• Special temperature code
• Outlet air thermostat
• Outlet air thermocouple
3.0 SPECIAL NOTICES
The following special notices highlight important information in the
installation and maintenance sections. Each serves a special
purpose, and is displayed in the format shown:
This symbol indicates a potentially hazardous
situation, which, if not avoided, can result in
personal injury or damage to the equipment.
This symbol indicates a potentially hazardous
situation, which, if not avoided, may be a
shock hazard.
This symbol indicates an imminently
hazardous situation, which, if not avoided,
could result in death or serious injury.
4.0 PRE-INSTALLATION
4.1 Inspect the heater for possible damage due to shipping
and handling. Claims for shipping damages shall be placed with
the carrier.
4.2 Check the heater nameplates to ensure that the heater area
classification and temperature code are suitable for the hazardous
area classification.