General Information; For Safe Operation; Odor Fade Warning - Mr. Heater MH35LP Operating Instructions And Owner's Manual

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

read tHese instructiOns careFullY. read and
A.
adhere to these instructions. dO nOt allow anyone
who has not read these instructions to assemble, light,
adjust or operate this heater.
lp-gas is HigHlY FlaMMaBle. In the event of a leak,
B.
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.

ODOR FADE WARNING

INSTALLATION INSTRUCTIONS
WARNING
GENERAL
asphyxiation Hazard
for the U.S. and/or canada, the installation of this appliance must
• Do not use in unventilated areas.
comply with local and/or Provincial codes or, in the absence of
• The flow of combustion and ventilation air must
these codes,
not be obstructed.
• With the (U.S.) National Fuel Gas Code, ANSI Z223.1 – Latest
• Proper ventilation air must be provided to
Edition, AND with the (U.S.) Standard for the Storage and
support the combustion air requirements of the
Handling of Liquified Petroleum Gases, ANSI/NfPA 58, OR
heater being used.
• With the current (Canadian) CAN/CGA B149.1 AND B149.2
• Refer to the specification section of the heater's
INSTALLATION cODES.
manual, heater dataplate, or contact the factory
to determine combustion air ventilation
This heater (including hose and regulator assembly) must be
requirements of the heater.
inspected before each use and at least annually by a qualified
service person. If the hose for model mH35LP shows evidence • Lack of proper ventilation air will lead to
of excessive abrasion or wear, or if the hose is cut, it must
improper combustion.
be replaced prior to the heater being put into operation. The
• Improper combustion can lead to carbon
replacement hose assembly shall be that specified by the
monoxide poisoning leading to serious injury or
manufacturer. See the parts list.
death. Symptom of carbon monoxide poisoning
can include headaches, dizziness and difficulty
in breathing.
The minimum ambient temperature rating for this heater is 20
Gas-Fired Infra-Red Portable Construction Heater
FUEL GAS ODOR
degrees f.
lp gas and natural gas have man-made odorants
This heater incorporates a "Tip Over" switch which automatically
added specifically for detection of fuel gas leaks. 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
if a gas leak occurs you should be able to smell the
(see Fig. 2). dO nOt operate this heater with the lp-gas
fuel gas. since propane (lp) is heavier than air you
supply cylinder in any other than the upright position.
should smell for the gas odor low to the floor. anY
gas OdOr is YOur signal tO gO intO iMMediate
ACTION!
LOCATION
• Do not take any action that could ignite the fuel gas.
Do not operate any electrical switches. Do not pull
Although this heater incorporates a "tip over" switch, the heater
any power supply or extension cords. Do not light
and LP-Gas supply cylinder must be located on a hard, flat,
matches or any other source of flame. Do not use your
level surface to minimize the risk of accidental tipping. The LP
Gas supply cylinder should be adequately restrained to prevent telephone.
accidental tipping. dO nOt Operate this heater with the
• Get everyone out of the building and away from the
supply cylinder in any other than the upright position.
area immediately.
• Close all propane (LP) gas tank or cylinder fuel supply
This appliance must be installed only in locations where the
potential for physical damage to the appliance (i.e., due to valves, or the main fuel supply valve located at the meter
physical contact) is reduced to a minimum.
if you use natural gas.
• Propane (LP) gas is heavier than air and may settle in
The installer must inform the owner/operator of this appliance
low areas. When you have reason to suspect a propane
that precautions must be taken to protect the appliance from
physical damage. leak, keep out of all low areas.
• Use your neighbor's phone and call your fuel gas
This appliance produces radiant heat. Therefore, it must be located
supplier and your fire department. Do not re-enter the
at least six feet away from any LP-Gas container and must not be
building or area.
directed toward any LP-Gas container within 20 feet.
• Stay out of the building and away from the area until
The heater must be installed in a location such that it will not be
declared safe by the firefighters and your fuel gas
exposed directly to water spray, rain, and/or dripping water.
supplier.
Use of this heater in a draft/windy area may decrease its
• FINALLY, let the fuel gas service person and the
efficiency. If possible, operate the unit in a draft free area or turn
firefighters check for escaped gas. Have them air out
the face of the heater away from the draft.
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.
PIPING:
ODOR FADING - NO ODOR DETECTED
For Model MH35lp
(for use with lp-gas) • Some people cannot smell well. Some people cannot
smell the odor of the man-made chemical added to
This model may be connected to a self-contained LP-Gas supply
propane (LP) or natural gas. You must determine if you
system using the hose and regulator assembly supplied with the
can smell the odorant in these fuel gases.
appliance, OR, it may be connected to a permanently installed
• Learn to recognize the odor of propane (LP) gas and
LP-Gas supply system.
natural gas. Local propane (LP) gas dealers will be more
If connected to a self-contained LP-Gas supply system, the hose
than happy to give you a scratch and sniff pamphlet.
assembly must be inspected prior to each use of the heater. If it is
Use it to become familiar with the fuel gas odor.
evident that there is excessive abrasion or wear, or the hose is cut,
• Smoking can decrease your ability to smell. Being
it must be replaced prior to the heater being put into operation.
around an odor for a period of time can affect your
If connected to a self-contained LP-Gas supply system, the cylinder
sensitivity to that particular odor. Odors present in
must have no less than a minimum capacity of 20 pounds and no
animal confinement buildings can mask fuel gas odor.
more than a maximum capacity of 100 pounds of LP-Gas. DO NOT
• the odorant in propane (lp) gas and natural gas
connect this appliance to a cylinder having less than a nominal 20
is colorless and the intensity of its odor can fade
pound capacity of LP-Gas. DO NOT connect this appliance to more
under some circumstances.
than one (1) 100 pound cylinder.
• 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
WARNING
levels. Since Propane (LP) gas is heavier than air, there
may be more odor at lower levels.
NEVER USE A fORK LIfT TRUcK TYPE
• always be sensitive to the slightest gas odor. If you
cYLINDER.
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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Operating Instructions and Owner's Manual