Infrared heaters should not be installed in buildings with uninsulated metal roof decks.
Uninsulated metal roof decks will cause condensation of water vapor (contained in the
unvented heater flue gas) on the inside of the building. Metal roof decks must be insu-
lated using built-up insulation and roofing on the exterior or inside insulation that is not
permeable to water vapor. Interior insulation that is permeable to water vapor must be
completely sealed with a vapor barrier.
High Altitude
Heaters are manufactured for use at the specific altitude range stated on the heater
rating plate. Do not install a heater that is not rated for the correct altitude.
1.3 Warranty
WARRANTY IS VOID IF……
•
Unit is used in atmosphere containing flammable vapors; atmosphere
containing chlorinated or halogenated hydrocarbons; or atmosphere containing
explosive dust.
•
Unit is installed without proper clearance to combustible materials or in a
location where the heater controls can be subjected to ambient temperatures
in excess of 150°F (66°C) or below -40°F (-40°C).
•
Unit is installed at an angle not approved for that model.
•
Unit is installed for other than space heating application.
NOTE:
Use of this
heater for processing applications voids the certification and the warranty.
•
Unit is installed for residential use. This heater is NOT for residential use.
•
Unit is installed outdoors.
•
Unit is installed in an enclosed swimming pool area.
•
Unit is altered. Units are completely factory assembled and tested.
1.4 Installation Codes
These units must be installed in accordance with local building codes. In the absence
of local codes, in the United States, the unit must be installed in accordance with the
National Fuel Gas Code ANSI Z223.1/NFPA 54 (latest edition). A Canadian installation
must be in accordance with the CAN/CSA B149.1, Natural Gas and Propane Instal-
lation Code. These codes are available from CSA Information Services, 1-800-463-
6727. Local authorities having jurisdiction should be consulted before installation is
made to verify local codes and installation procedure requirements.
All electrical wiring including electrical grounding must be in accordance with the
National Electric Code ANSI/NFPA No. 70 (latest edition) or, in Canada, the Canadian
Electrical Code, Part I and Part II, CAN/CSA C22.1.
The installing contractor must be familiar with all of the various requirements and is
responsible for installing the heater in compliance with the applicable codes.
Aircraft Hangars:
In the United States, the heaters must be installed in accordance
with ANSI/NFPA 409 (latest edition). Publications are available from the National Fire
Protection Association, Batterymarch Park, Quincy, MA 02269. In Canada, installations
in an aircraft hangar must comply with CAN/CSA-B149.1. Both the ANSI/NFPA 409
(latest edition) and the CAN/CSA-B149.1 (latest edition) specify that the heater shall
not be located in an area of an aircraft hangar where it may be subjected to physical
damage by aircraft, cranes, moveable scaffolding, or other objects.
NFPA 409 (latest edition) specifies a clearance of 10 feet (3M) to the bottom of the
heater from the highest surface of the wings or engine enclosures of the highest aircraft
which may be housed in the hangar. The measurement shall be made from the wing or
engine enclosure, whichever is higher from the floor, to the bottom of the heater.
CAN/CSA-B149.1 (latest edition) specifies that a heater located in an aircraft storage
or servicing area shall be installed so that no portion of an aircraft that can occupy the
area is within the "clearance to combustible material" as marked on the heater rating
plate.
Both NFPA 409 (latest edition) and CAN/CSA-B149.1 (latest edition) specify a mini-
mum clearance of eight feet (2.5M) from the floor to the heater in other sections, such
as offices or shops, that communicate with the aircraft hangar.
Special Space
Heating Installations
Form I-RIH, P/N 131793R8, Page 3
