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Mr. Heater, Inc. Portable Propane Radiant Heater Operating Instructions and OwnerÊs Manual
3
degrees F.
This heater incorporates a „Tip Over‰ switch which automatically
shuts off the burner in the event of tipping. Ensure that this switch
is in the vertical position and is secured with the screws provided
(see Fig. 2). DO NOT operate this heater with the LP-gas
supply cylinder in any other than the upright position.
LOCATION
Although this heater incorporates a „tip over‰ switch, the heater
and LP-Gas supply cylinder must be located on a hard, flat,
level surface to minimize the risk of accidental tipping. The LP
Gas supply cylinder should be adequately restrained to prevent
accidental tipping. DO NOT OPERATE this heater with the
supply cylinder in any other than the upright position.
This appliance must be installed only in locations where the
potential for physical damage to the appliance (i.e., due to
physical contact) is reduced to a minimum.
The installer must inform the owner/operator of this appliance
that precautions must be taken to protect the appliance from
physical damage.
This appliance produces radiant heat. Therefore, it must be located
at least six feet away from any LP-Gas container and must not be
directed toward any LP-Gas container within 20 feet.
The heater must be installed in a location such that it will not be
exposed directly to water spray, rain, and/or dripping water.
Use of this heater in a draft/windy area may decrease its
efficiency. If possible, operate the unit in a draft free area or turn
the face of the heater away from the draft.
PIPING:
For Model MH35LP
(for use with LP-Gas)
This model may be connected to a self-contained LP-Gas supply
system using the hose and regulator assembly supplied with the
appliance, OR, it may be connected to a permanently installed
LP-Gas supply system.
If connected to a self-contained LP-Gas supply system, the hose
assembly must be inspected prior to each use of the heater. If it is
evident that there is excessive abrasion or wear, or the hose is cut,
it must be replaced prior to the heater being put into operation.
If connected to a self-contained LP-Gas supply system, the cylinder
must have no less than a minimum capacity of 20 pounds and no
more than a maximum capacity of 100 pounds of LP-Gas. DO NOT
connect this appliance to a cylinder having less than a nominal 20
pound capacity of LP-Gas. DO NOT connect this appliance to more
than one (1) 100 pound cylinder.
WARNING
NEVER USE A FORK LIFT TRUCK TYPE
CYLINDER.
GENERAL INFORMATION
A. Your portable gas-fired infra-red heater comes fully assembled
and is tested at the factory for proper gas and input as stated
on the nameplate.
B. Each heater is equipped with a 100% safety shutoff, push
button valve which will automatically stop the flow of gas in
the event the heater fails to operate for any reason. A tip over
switch and an excess flow check are also standard on the
model MH35LP.
C. Before proceeding with this installation, be sure to inspect
for damages. The freight company must be notified of any
damages and request that an inspection be made. Enerco
Technical Products will send replacements for damaged parts
only after receiving a signed inspection report to prove the
liability of the freight company.
FOR SAFE OPERATION
A. READ THESE INSTRUCTIONS CAREFULLY. Read and
adhere to these instructions. DO NOT allow anyone
who has not read these instructions to assemble, light,
adjust or operate this heater.
B. LP-Gas IS HIGHLY FLAMMABLE. In the event of a leak,
LP-Gas will accumulate and the possibility of a fire is present.
LP-Gas is scented and its strong odor is readily detectable.
Never strike a match, bring any flame or create an electric
spark in an enclosure when you smell LP-Gas. Ventilate the
area thoroughly, move the heater outside, and correct the
source of the leak before attempting to light any appliance.
C. Always operate the heater with the LP-Gas cylinder in an
upright position on a level non-combustible surface. NEVER
PLACE THE CYLINDER ON ITS SIDE WHEN OPERATING
THE HEATER.
D. DO NOT attempt to operate the heater with any gas
other than that indicated on the heater nameplate.
INSTALLATION INSTRUCTIONS
GENERAL
For the U.S. and/or Canada, the installation of this appliance must
comply with local and/or Provincial codes or, in the absence of
these codes,
• With the (U.S.) National Fuel Gas Code, ANSI Z223.1 – Latest
Edition, AND with the (U.S.) Standard for the Storage and
Handling of Liquified Petroleum Gases, ANSI/NFPA 58, OR
• With the current (Canadian) CAN/CGA B149.1 AND B149.2
INSTALLATION CODES.
This heater (including hose and regulator assembly) must be
inspected before each use and at least annually by a qualified
service person. If the hose for Model MH35LP shows evidence
of excessive abrasion or wear, or if the hose is cut, it must
be replaced prior to the heater being put into operation. The
replacement hose assembly shall be that specified by the
manufacturer. See the parts list.
The minimum ambient temperature rating for this heater is 20
ODOR FADE WARNING
WARNING
Asphyxiation Hazard
• Do not use in unventilated areas.
• The flow of combustion and ventilation air must
not be obstructed.
• Proper ventilation air must be provided to
support the combustion air requirements of the
heater being used.
• Refer to the specification section of the heaterÊs
manual, heater dataplate, or contact the factory
to determine combustion air ventilation
requirements of the heater.
• Lack of proper ventilation air will lead to
improper combustion.
• Improper combustion can lead to carbon
monoxide poisoning leading to serious injury or
death. Symptom of carbon monoxide poisoning
can include headaches, dizziness and difficulty
in breathing.
FUEL GAS ODOR
LP gas and natural gas have man-made odorants
added specifically for detection of fuel gas leaks.
If a gas leak occurs you should be able to smell the
fuel gas. Since Propane (LP) is heavier than air you
should smell for the gas odor low to the floor. ANY
GAS ODOR IS YOUR SIGNAL TO GO INTO IMMEDIATE
ACTION!
• Do not take any action that could ignite the fuel gas.
Do not operate any electrical switches. Do not pull
any power supply or extension cords. Do not light
matches or any other source of flame. Do not use your
telephone.
• Get everyone out of the building and away from the
area immediately.
• Close all propane (LP) gas tank or cylinder fuel supply
valves, or the main fuel supply valve located at the meter
if you use natural gas.
• Propane (LP) gas is heavier than air and may settle in
low areas. When you have reason to suspect a propane
leak, keep out of all low areas.
• Use your neighborÊs phone and call your fuel gas
supplier and your fire department. Do not re-enter the
building or area.
• Stay out of the building and away from the area until
declared safe by the firefighters and your fuel gas
supplier.
• FINALLY, let the fuel gas service person and the
firefighters check for escaped gas. Have them air out
the building and area before you return. Properly trained
service people must repair any leaks, check for further
leakages, and then relight the appliance for you.
ODOR FADING - NO ODOR DETECTED
• Some people cannot smell well. Some people cannot
smell the odor of the man-made chemical added to
propane (LP) or natural gas. You must determine if you
can smell the odorant in these fuel gases.
• Learn to recognize the odor of propane (LP) gas and
natural gas. Local propane (LP) gas dealers will be more
than happy to give you a scratch and sniff pamphlet.
Use it to become familiar with the fuel gas odor.
• Smoking can decrease your ability to smell. Being
around an odor for a period of time can affect your
sensitivity to that particular odor. Odors present in
animal confinement buildings can mask fuel gas odor.
• The odorant in propane (LP) gas and natural gas
is colorless and the intensity of its odor can fade
under some circumstances.
• If there is an underground leak, the movement of gas
through the soil can filter the odorant.
• Propane (LP) gas odor may differ in intensity at different
levels. Since Propane (LP) gas is heavier than air, there
may be more odor at lower levels.
• Always be sensitive to the slightest gas odor. If you
continue to detect any gas odor, no matter how small,
treat it as a serious leak. Immediately go into action as
discussed previously.
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