L.B. White 250 Norseman - Manual (Page 7)

1. Do not attempt to install, repair, or service this heater
or the gas supply line unless you have continuing
expert training and knowledge of gas heaters.
Qualifications for service and installation of this
equipment are as follows:
a. To be a qualified gas heater service person, you
must have sufficient training and experience to
handle all aspects of gas-fired heater installation,
service and repair. This includes the task of
installation, troubleshooting, replacement of
defective parts and testing of the heater. You
must be able to place the heater into a continuing
safe and normal operating condition. You must
completely familiarize yourself with each model
heater by reading and complying with the safety
instructions, labels, Owner’s Manual, etc., that is
provided with each heater.
b. To be a qualified gas installation person, you must
have sufficient training and experience to handle
all aspects of installing, repairing and altering gas
lines, including selecting and installing the proper
equipment, and selecting proper pipe and tank
size to be used. This must be done in accordance
with all local, state and national codes as well as
the manufacturer’s requirements.
2. All installations and applications of L.B. White heaters
must meet all relevant local, state and national
codes. Included are propane gas, natural gas,
electrical, and safety codes. Your local fuel gas
supplier, a local licensed electrician, the local fire
department or similar government agencies, or your
insurance agent can help you determine code
requirements.
-- ANSI/NFPA 58, latest edition, Standard for
Storage and Handling of Liquefied Petroleum
Gas and/or
-- ANSI Z223.1/NFPA 54, National Fuel Gas
Code
3. We cannot anticipate every use which maybe made of
our heaters. Check with the local fire safety authority
if you have questions about applications.
4. The heater shall be installed so that it is not directly
exposed to water spray, rain, or dripping water.
5. Do not locate fuel gas containers or fuel supply hoses
anywhere near the discharge outlet of the heater.
6. Do not block air intakes or discharge outlets of the
heater. Doing so may cause improper combustion or
damage to heater components leading to property
damage.
7. The hose assembly shall be visually inspected on a
daily basis, after heater relocation, and when the
heater is in use. If it is evident there is excessive
abrasion or wear, or if the hose is cut, it must be
replaced prior to the heater being put into operation.
The hose assembly shall be protected from building
materials, and contact with hot surfaces during use.
The hose assembly shall be that specified by the
manufacturer. See parts list.
8. Check for gas leaks and proper function upon heater
installation, when relocating, and after servicing.
Refer to leak check instructions within installation
section of this manual.
9. This heater should be inspected for proper operation
by a qualified service person before each use and at
least annually.
10. Always turn off the gas supply to the heater if the
heater is not going to be used in the heating of the
work space.
11. If gas flow is interrupted and flame goes out, do not
relight the heater until you are sure that all gas that
may have accummulated has cleared away. In any
event, do not relight the heater for at least 5 minutes.
12. Minimum propane gas supply cylinder size to be used
shall be 100 pounds when using a cylinder supply
system. The system must be arranged to provide
vapor withdrawal from the operating cylinder.
13. 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 form the heater and stored in
accordance with Chapter 5 if the Standard for the
Storage and Handling of Liquified Petroleum Gases,
ANSI/NFPA 58.
14. Propane gas supply containers have left handed
threads. Always use the appropriate wrench to make
a connection to tighten or loosen the P.O.L. fitting at
the cylinders’ gas supply valve.
6
WARNING
Fire H Hazard
■ Temperatures at base of this heater may ignite
combustible materials
■ Use the heater on non-combustible materials to avoid a
fire hazard.
ATTENTION
■ This heater is not suitable for use on any wooden floors
(plywood, particle board, pressboard, etc.) and shall not
be set up on these nor any other combustible
materials.
■ If the heater is used on a combustible floor the heater
shall rest on a suitable heat insulating material such as
concrete of at least 1 inch thickness or equivalent. The
insulating material shall extend beyond the heater 2
feet or more in all directions.