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Sunpak® Infrared Heaters
6
Installation/Service Instruction
Receiving Equipment
On receipt of equipment it is suggested that a visual
inspection be made for external damage to the carton. If the
carton is damaged, a note should be made on the Bill of
Lading when signing for the equipment. Remove the heater
from the carton. If there is damage, report the damage to
the carrier immediately.
INSTALLATION INSTRUCTIONS
Important Notice
These instructions are intended for qualified personnel,
specifically trained and experienced in the installation of
this type of equipment and related system components.
Some states or provinces require installation and service
personnel to be licensed. If your state or province is such,
be sure your contractor bears the appropriate license.
Persons not qualified shall not attempt to fix this equipment
nor attempt repairs according to these instructions.
WARNING
Asphyxia, Explosion or Fire
Improper installation, adjustment, alteration,
service or maintenance may create a hazard
resulting in asphyxiation, explosion or fire, or
damage to the equipment.
Code Requirements
Installation must be in accordance with local codes, or in
the absence of local codes, with the latest edition of the
National Fuel Gas Code, ANSI Z224 and National Electrical
Code ANSI/NFPA 70, and for Canada, the latest edition of
CAN/CGA-B149.1 and B149.2 and Canadian Electrical
Code, CSA C22.1 Part 1 and Part 2.
• Heaters to be installed in Aircraft hangars must be
installed in accordance with American National
Standards for Aircraft Hangars, ANSI/NFPA
No. 409.
• Heaters to be installed in Public Garages must be
installed in accordance with NFPA No. 88A,
Standards for Parking Structures.
• Heaters must be installed so that minimum
clearances marked on the heaters will be
maintained from vehicles parked below the heater.
• Each heater must be electrically grounded in
accordance with the National Electrical Code,
ANSI/NFPA 70, when an external electrical source
is utilized. In Canada, the CSA Canadian Electrical
Code, C22.1 Part 1 applies.
Gas Supply
The gas inlet supply pressure and manifold pressure
required for each heater are listed below. For gas supply
line pressures in excess of ½ psig, consult with your
representative or the factory.
Gas Inlet Pressure Nat Gas Propane
Maximum Pressure ½ psig ½ psig
Minimum Pressure 6” W.C. 11” W.C.
Manifold Pressure 5” W.C. 10” W.C.
It is important that the gas piping system be adequately
sized for all the gas appliances it serves.
Clearances
Each heater must be installed such that the following
“Minimum Clearance to Combustible Materials’ are
maintained.
Combustible materials include wood, compressed paper,
plant fibers, and plastic, Plexiglas or other materials
capable of being ignited and burned. Such materials shall
be considered combustible even though flame-proofed, fire
retardant treated or plastered. Additional clearance may be
required for glass, painted surfaces, vinyl siding or other
materials which may be damaged by radiant or convection
heat.
Adequate space around each heater is required even
when the materials surrounding the heater are non-
combustible to provide adequate combustion air and
ventilation of exhaust gases. Heaters should never be
located in a ceiling recess or soffit.
The stated clearance to combustible materials represents
a surface temperature of 90ºF (32ºC) above room
temperature. Building materials with a low heat tolerance
(such as plastic, vinyl siding, canvas, tri-ply, etc.) may be
subject to degradation at lower temperatures. It is the
installer’s responsibility to assure that adjacent materials
are not subject to degradation.
In locations used for storage of combustible materials,
signs shall be posted to specify the maximum permissible
stacking height to maintain required clearances from the
heater to combustible materials.
OPTIONAL MOUNTING KIT (#12006): Optional Mounting
Kit is available from your heater supplier. Whether the
mounting kit is used or not, minimum clearance from
combustibles must be observed as follows:
WARNING: The clearances shown below are also
applicable to vehicles parked below heaters.
Input Side Rea
r
Ceiling Below Mtg.
Model BTUH In In In In
A
ngle
S25 25,000 24” 12” 9” 48” HORIZ
S34 34,000 24” 17” 13” 48” HORIZ
*S25 25,000 24” 8” 14” 48” 30º MAX
S34 34,000 24” 8” 18” 48” 30º MAX
Above clearance apply to models on either natural or LP gas.
*Model S25 for LP gas for use in horizontal position only
.
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