5
Operating Instructions and Owner’s Manual
Mr. Heater | MH14TC Gas-Fired Infra-Red Portable Heater
A. Heater Model MH14TC is packaged completely assem-
bled except for tank stabilizer. Propane cylinders (tanks)
are not included with Model MH14TC.
B. Remove heater and tank stabilizer from carton.
C. Place the slots of the black collar mounting bracket into
assembly onto the collar of the bulk tank (see Fig. 3).
CAUTION: bE SURE THE LOCKING HANDLE ON THE
COLLAR MOUNTING bRACKET ASSEMbLY IS OUTSIDE
THE COLLAR OF THE BULK TANK. Tighten the locking
knob against collar of tank.
D. Be sure heater is facing away from tank. (See Fig. 3 and
4). Grasp cylinder collar with two hands and push bot-
tom of cylinder into tank stabilizer (See Fig. 6).
E. Make sure tank valve is in “OFF” position (clockwise).
F. Use only LP gas cylinders constructed for use with
propane only (HD-5) and marked in accordance with the
specifications for LP gas cylinders of the U.S. Depart
-
ment of Transportation (DOT).
G. This heater must be used only with a vapor withdrawal
LP gas bulk tank equipped with a standard POL valve
– do not use this heater on bulk tanks greater than 20
pounds LPG capacity (50 pounds water capacity).
H. Make sure regulator knob is in “OFF” position by turning
knob clockwise to off.
I. Carefully screw POL nut directly in bulk tank valve finger
tight, turning counterclockwise; then with a 7/8” open
end wrench, tighten the POL fitting, hard.
J. Always connect the heater to bulk tank in the outdoors
or in a well ventilated area. NEVER connect heater to
bulk tank near an open flame.
warning
K. Never touch heater while in operation to avoid injury.
Move heater by grasping the propane cylinder carefully.
L. Read every page in this instruction manual before light
-
ing heater.
warning:
STOP – LOOK – READ – UNDERSTAND these warning
instructions to avoid serious injury, fire, asphyxiation,
death or other life threatening conditions.
warning:
DO NOT LEAVE HEATER UNATTENDED OR IN
OPERATION WHILE SLEEPING
NOTE: DO NOT USE MATCHES FOR LEAK TESTING. USE
ONLY SOAP SOLUTION.
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 heat
-
er to your dealer or the address given on front page.
B. Fuel – This heater must be used only with a vapor with-
drawal 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 knob to
“Med” (counter-clockwise).
D. To light heater, place a lit match across the mesh screen
where you see “light here” on reflector (Fig. 5). THEN
push in valve button on Safety Shutoff Valve. After the
heater is lit, continue to hold the valve button in for 30
seconds, then release the button slowly. CAUTION: DO
NOT PUSH IN VALVE bUTTON bEFORE INSERTING LIT
MATCH. NEVER use a spark lighter to light heater.
E. 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.
Figure 5
F. 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 ad
-
dress given on the front page for repair or replacement.
DO NOT ATTEMPT TO REPAIR OR TAMPER WITH THE
HEATER.
G. Adjust heat output by turning knob to desired position.
H. COOKING: DO NOT USE THIS HEATER FOR COOKING.
Regulator Valve
Adjusting Knob