L.B. White HW 120 Therma Grow - Manual (Page 6)

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 L.P. 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.Refer to
the following:
- 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
- ANSI/NFPA 70, National Electrical Code.
3. Do not move, handle, or service heater while in
operation or connected to a power or fuel supply.
4. This heater may be installed in areas subject to
washdown. This heater may only be washed on the
external case assembly—see Cleaning Instructions.
Do not wash the interior of the heater.
Use only
compressed air, soft brush or dry cloth to clean the
interior of the heater and it’s components.
After
external washdown, do not operate this heater until it
is completely dry. In any event, do not operate the
heater for at least one hour after external washdown.
5. For safety, this heater is equipped with a manual reset
high-limit switch and an air proving switch.
Never
operate this heater with any safety device that has
been bypassed. Do not operate this heater unless all
of these features are fully functioning.
6. Do not operate the heater with its door open.
7. Do not locate fuel gas containers or fuel supply hoses
anywhere near the blower outlet of the heater.
8. Do not block air intakes or discharge outlets of the
appliance. Doing so may cause improper combustion
or damage to heater components leading to property
damage or plant loss.
9. The hose assembly shall be visually inspected on an
annual basis.
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 animals,
building materials, and contact with hot surfaces
during use. The hose assembly shall be that specified
by the manufacturer. See parts list.
10. Check for gas leaks and proper function upon heater
installation, before building repopulation or when
relocating.
11. This heater should be inspected for proper operation
by a qualified service person before building
repopulation and at least annually.
12. Always turn off the gas supply to the heater if the
heater is not going to be used.
13. This heater is equipped with a three-prong (grounding)
plug for your protection against shock hazard and
must be plugged directly into a properly grounded
three-prong receptacle.
Failure to use a properly
grounded receptacle can result in electrical shock,
personal injury, or death.
14. Direct ignition heaters will make up to three trials for
ignition. If ignition is not achieved, the control system
will lock out the gas control valve. If gas is smelled
after system lock out has occurred, immediately close
all fuel supply valves. Do not relight until you are sure
that all gas that may have accumulated has cleared
away.
In any event, do not relight for at least 5
minutes.
15. In a hanging type installation, rigid pipe or copper
tubing coupled directly to the heater may cause gas
leaks during movement, and therefore must not be
used. Use only gas hose assemblies that are rated
and approved for L.P.gas and natural gas in a hanging
type of installation.
16. Installations not using the gas hose supplied with
this appliance must connect dimensionally using
American National Standard Wrought Steel and
Wrought Iron Pipe B36/10-1970. (Aluminum piping or
tubing shall not be used.) Copper tubing when used
for conveying natural gas, shall be internally tinned or
equivalently treated to resist sulphur.
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