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Operating Instructions and Owner’s ManualMr. Heater | Gas-Fired Infra-Red Portable Heater
3. VENTILATION
A. WARNING: This heater is an unvented appliance and MUST be
used ONLY in a well ventilated area. NEVER attempt to operate
the heater inside any vehicle, camper or enclosure.
B. Any combustion process requires and consumes oxygen, and
will produce carbon monoxide. THIS HEATER MUST BE USED
WITH ADEQUATE VENTILATION. Do not use in a tightly
enclosed area. Two openings directly to the outdoors MUST be
provided. One HIGH and one LOW. Preferably on opposite sides
of the enclosure. EACH OPENING SHALL HAVE A MIMIMUM
FREE AREA OF 24 SQUARE INCHES (6” X 4”). Structures of tight
construction or tents using fire retardant materials will require
larger openings. If any additional fuel burning appliances are
operated, ALWAYS provide additional ventilation. Increase the
area of each opening by at least 2 square inches for each 1,000
BTU’S per hour of additional input rating.
C. WARNING: Provide ample ventilation. This heater consumes air
(oxygen). Do not use this heater in unventilated structures to
avoid endangering your life. Provide additional ventilation for
any additional fuel-burning appliances and additional
occupants.
4. MIMIMUM CLEARANCE FROM
COMBUSTIBLE MATERIALS
A. When operating, the heater surfaces are extremely hot. Keep
sleeping bags, clothing, and all combustible materials clear of
the heater by at least the distances shown in figure 4.
B. WARNING: To avoid injury or property damage never allow
clothing, tents or other combustible materials within 30” of the
heater. This heater must be located at least 18” above the floor
level when in use. Never operate the heater when sleeping.
C. WARNING: Never direct the heat output of this heater toward
any propane tank within 20 feet.
Figure 4
MH12C 14,000 Vertical 18" 30" 30" 30”
and & Horizontal
MH12CS 14,000 Vertical 18" 30" 30" 30"
& Horizontal
CLEARANCES TO COMBUSTIBLES
MODEL
NO.
GAS
PROPANE
BTU/HR. RATING
NORMAL
OPERATING
PROCEDURE
FROM C.L. OF
HTR. TO FLOOR
SIDES REAR
CEILING
5. ASSEMBLY PROCEDURE
A. Make sure the regulator knob on the heater is “off” by turning
knob clockwise to the “OFF” position.
B. Carefully screw disposable cylinder hand tight into the inlet
tapping of regulator. Make sure gas cylinder is in upright
position.
C. Make sure the heater is firmly placed in the metal stand. (See
Figure 1 and 2).
D. Make sure knurled lock nut is tightened securely – Figure 1.
MODEL MH12C
MODEL MH12CS
COOKING POSITIONS