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8
Commander Ductable Make-Up Air Heater
15. When the heater is to be stored indoors, the
connection between the propane gas supply
cylinder(s) and the heater must be disconnected
and the cylinder(s) removed from the heater and
stored in accordance with the Standard for the
Storage and Handling of Liquified Petroleum
Gases, ANSI/NFPA 58 or Standard CSA B149.1
Natural Gas and Propane Installation Code as
appropriate.
16. The heater must be located at least 6 ft. (1.83m)
in the U.S.; or 10 ft. (3m) in Canada from any
propane gas container.
17. Propane gas supply containers have left handed
threads. Always use the appropriate wrench to
make a connection to tighten or loosen the pigtail
connector's P.O.L. fitting at the container's gas
supply valve.
18. For either indoor or outdoor use. Adequate
ventilation shall be provided in accordance with
OSHA 29 CFR 1926.154, Safety Requirements
for Temporary and Portable Space Heating
Devices and Equipment, ANSI A10.10, National
Fuel Gas Code, ANSI Z223.1/NFPA54, Liquified
Petroleum Gas Code, NFPA 58 or the Natural Gas
and Propane Installation Code, CAN B149.1, as
appropriate.
19. Do not operate the heater with any panels open or
removed. Doing so may cause improper
combustion or damage to heater components
leading to property damage.
20. Always lock the swivel wheels before operating
the heater.
21. Do not handle, move, or service the heater while in
operation, connected to power supply, or hot.
Owner's Manual •
General Installation Instructions
Commander Ductable Make-Up Air Heater
WARNING
Burn Hazard
Can cause property damage, severe injury or death.
• To avoid dangerous accumulation of fuel gas, turn
off gas supply at the appliance service valve before
starting installation, and perform gas leak test after
completion of installation.
1. Read all safety precautions and follow L. B. White
recommendations when installing this heater. If
during the installation or relocating of heater, you
suspect that a part is damaged or defective, call a
qualified service agency for repair or replacement.
2. Make sure the heater is level (use a level) and
properly positioned before use. Observe and obey all
minimum safe distances of the heater to the nearest
combustible materials. Safe distances are given on
the heater dataplate and on page 4 of this manual.
3. This heater may be operated in either indoors or
outdoor application and is approved for used with or
without ductwork.
• For indoor application, optional duct can be
attached to the heater air inlet ring to provide
proper clean air to the heater. Contact your local
L.B. White's dealer or the L.B. White Co. for details.
• For outdoor application, additional accessories are
needed to properly provide heated air to the inside.
See ducting option on page 11.
4. Only the ducting and the air distribution accessories
as supplied and specified by the heater's
manufacturer shall be used.
DO NOT USE ANY OTHER DUCT-WORK, FIELD
FABRICATED DUCT, TARPS, OR STOVE PIPE, ETC.
ON THIS HEATER.
■ When using the ducting, ensure the bends in the
duct are kept to a minimum.
■ Reducing the number of bends will ensure that the
warm air exiting the heater flows freely, thereby
preventing overheating. If there are excessive bends,
the high limit switches may open.
5. Heaters used in the vicinity of combustible
tarpaulins, canvas, plastics, wind barriers, or similar
coverings shall be located at least 10 ft./3.05 meters
from the coverings. The coverings shall be securely
fastened to prevent ignition or upsetting of the heater
due to wind action on the covering or other material.
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