DF Series installation manual
4
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CODES REGULATING DIRECT FIRED DUCT HEATERS
Direct fired duct heaters must be installed according to local installation code for gas
equipment and any provincial or state regulations applying to this category of
equipment.
Furthermore, when suspending this unit, the following ANSI standards must be
followed: ANSI/NFPA 409 for aircraft hangars, ANSI/NFPA 88A or ANSI/NFPA 88B and
CAN/CGA B 149 in effect for public garages. Electrical installations must meet the
standards stated in the first part of the C22.1 Canadian electrical code of with the
National Electric Code ANSI/NFPA 70 in the USA, and all local applicable codes for this
category of equipment.
All electrical installations must comply with the electric diagrams of the heater. For
more information, refer to the start-up instructions, operating and adjustments
instructions and wiring diagram supplied with the unit.
WARNING
This air heater must ALWAYS
:
•
Be used to heat outside air (100% fresh air). No recirculation air is allowed.
•
Be used to replace air exhausted from a building or through process
equipment;
•
Supply air at a temperature not exceeding 72°C (160°F) or as stated in the
applicable local code.
THIS HEATER IS NOT A SPACE HEATER AND SHOULD NOT BE
USED AS SUCH. THIS HEATER MUST NOT BE USED ANYWHERE
PEOPLE MAY SLEEP.
IMPORTANT
Allow the recommended clearances upstream and downstream of the burner.
Refer to "Profile Plate Installation" section.
