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Operating Instructions and OwnerÊs ManualMr. Heater MH4B
3
GENERAL INFORMATION:
•
This heater is safe for indoor use in small recreational
enclosures, having means for providing combustion air
and ventilation, such as enclosed porches, cabins, fishing
huts, trailers, tent trailers, tents, truck caps and vans.
It may be used for emergency indoor heating when
connected to a disposable 1 lb. propane cylinder and
for indoor use in commercial enclosures, having means
for providing combustion air and ventilation, such as
construction trailers or temporary work enclosures.
Note: The heater can be used outdoors, but may
experience nuisance shutoffs due to certain wind
conditions.
• When the heater is cold or at room temperature, it
will take a few minutes for the burner tile to turn
bright orange. This is normal and the heater is working
properly. If burner tile is visibly flaming, turn heater off
and call a qualified service technician.
• When the unit is lit, there should be about a quarter
inch (1/4‰) border around the tile that will not turn
bright orange. This is normal.
• When operating the heater for the first time, the top
area of the reflector may discolor. This is also normal
and is no reason for concern.
• When operating the heater at altitudes over 7,000
FT. above sea level, the unit may not burn as bright
as in lower altitudes. This is normal. At higher
altitudes, the heater may shut-off. If this happens,
provide fresh air, wait 5 minutes and re-light. Due to
local atmospheric conditions heater may not re-light.
• Operating time will be approximately 5 hours on a
one 1lb. cylinder. Due to the properties of LP gas,
runtimes can be significantly reduced when operating
continuously at temperatures below 20ÀF.
• This heater is equipped with a tip-over safety switch.
Nuisance shut-downs may be experienced if the unit
is bumped or moved. if this occurs simply relight the
heater.
• Due to natural operation of small tanks, condensation
may build up on tank and drip on surface under heater.
Sometimes this condensation may freeze due to the
extreme cold caused when propane vaporizes. This is
normal and no reason for alarm.
• Do not use non-approved attachments on this heater.
• Due to high temperatures, the appliance should be
located out of traffic and away from combustible
materials.
• Children and adults should be alerted to the hazard of
high surface temperatures and should stay away to avoid
burns or clothing ignition.
• Young children should be carefully supervised when they
are near the appliance.
• Do not place clothing or other flammable material on or
near the appliance.
• Do not operate heater in any moving vehicle.
• This heater can only be used in a recreational or
commercial enclosure with a window or roof vent. It
may also be used outdoors.
• This heater requires a vent area of 4 square inches
(example 2‰ x 2‰ opening) minimum for adequate ven-
tilation during operation. Do not use other fuel burning
appliances inside.
• GAS PRESSURE AT HEATER IS REGULATED AND FIXED
AT 11‰ W.C.
• REGULATOR IN HEATER MUST ALWAYS BE IN PLACE
DURING OPERATION.
• Any safety screen or guard removed for servicing the ap-
pliance must be replaced prior to operating the heater.
• The appliance should be inspected before each use.
Frequent cleaning may be required. The control
compartments, burner and circulating air passageways
of the appliance must be kept clean,
see MAINTENANCE.
• DO NOT use this heater if any part has been under
water. Immediately call a qualified service technician to
inspect the heater and to replace any part of the control
system and any gas control, which has been under wa-
ter.
• When used without adequate combustion and
ventilation air, this heater may give off excessive
CARBON MONOXIDE, an odorless, poisonous gas.
• Some people - pregnant women, persons with heart
or lung disease, anemia, those under the influence of
alcohol, those at high altitudes - are more affected by
carbon monoxide than others.
• When heater is placed on the ground, make sure the
ground is level and keep any objects at least 24 inches
from the front of the heater. THIS HEATER IS EQUIPPED
WITH A TIP OVER SWITCH THAT WILL SHUT THE HEAT-
ER OFF IF THE HEATER TIPS OVER HOWEVER, DO NOT
LEAVE HEATER UNATTENDED OR WHERE CHILDREN
MAY CAUSE THE HEATER TO TIP OVER. NEVER OPERATE
THE HEATER WHILE SLEEPING!
GENERAL SAFETY INSTRUCTIONS
THIS IS A HEATING APPLIANCE. DO NOT OPERATE
THIS APPLIANCE WITHOUT THE FRONT WIRE GUARD
INSTALLED. DO NOT ATTEMPT TO WARM OR COOK
FOOD ON THIS HEATER.
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