5
Operating Instructions and Owner’s Manual
Mr. 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 MINIMUM
FREE AREA OF 36 SQUARE INCHES (6” X 6”).
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. MINIMUM CLEARANCE FROM
COMBUSTIBLE MATERIALS
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.
WARNING:
To avoid injury or property damage never allow
clothing, tents or other combustible material within 36” of the
heater. This heater must be located at least 32” 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.
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 POL nut directly into bulk propane cylinder,
counterclockwise. REMEMBER – This is a left hand thread – see
Figure 1. Make sure the heater is in a vertical upright position
and directed away from the collar of the bulk tank. Use a 7/8”
open end wrench to tighten the POL fitting – left hand thread
– see Fig. 1.
6. LIGHTING INSTRUCTIONS
A.
Before attempting to light the heater, check all fittings and
connections with a soap solution.
NEVER USE A MATCH TO
CHECK FOR LEAKS.
Should a gas leak occur, do not attempt
to repair or use heater. Return the heater to your dealer or the
address given on back page.
B.
Fuel – This heater must be used only with a vapor withdrawal
LP gas bulk cylinder. THE BULK TANK MUST BE EQUIPPED WITH
A STANDARD POL VALVE.
WARNING:
USE HD.5 PROPANE GAS ONLY. DO NOT USE ANY OTHER
TYPE FUEL. SEE YOUR PROPANE DEALER IF YOU HAVE ANY
QUESTIONS REGARDING FUEL.
C.
Turn the heater’s “Hi-Med-Lo-Off” regulator know to “Med”
(counterclockwise).
D.
To light a burner, MH42T Model, place a lit match across the
mesh screen where you see “light here” on reflector. (See Fig.
4) THEN push in valve button on Safety Shutoff Valve. After the
burner is lit, continue to hold valve button in for 30 seconds,
then release the button slowly.
CAUTION
: DO NOT PUSH IN
VALVE BUTTON BEFORE INSERTING LIT MATCH. Repeat step “D”
for each burner.
E.
Adjust heat output by turning knob to desired position.
F.
If burner does not light within 30 seconds, turn the heater’s
regulator knob to “off” (clockwise) and allow at least five
minutes for gas to dissipate before attempting to relight.
G.
NOTE:
Should the orifice become clogged as indicated by low
volume of gas when operating on “Hi” with a full cylinder, or
should the heater fail to operate properly for any reason, return
the heater to the dealer or the address given on back page for
repair or replacement. DO NOT ATTEMPT TO REPAIR OR
TAMPER WITH HEATER.
H.
COOKING: DO NOT USE THIS HEATER FOR COOKING.
Figure 3
MH42T
42,000
Vertical
32”
36" 36" 48”
MODEL
NO.
GAS
PROPANE
BTU/HR. RATING
NORMAL
OPERATING
PROCEDURE
CLEARANCES TO COMBUSTIBLES
FROM C.L. OF
HTR. TO FLOOR SIDES REAR CEILING
Figure 4
