OPERATING INSTRUCTIONS
Model #
AND OWNER’S MANUAL
READ INSTRUCTIONS CAREFULLY: Read and follow all instructions. Place instructions in a safe
place for future reference. Do not allow anyone who has not read these instructions to assemble,
light, adjust or operate the heater.
MH12T
MH12TS
GAS-FIRED INFRA-RED
PORTABLE HEATER
CYLINDER NOT INCLUDED
MODEL
MH12TS
MODEL
MH12T
WARNING:
— Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any
other appliance.
— An LP cylinder not connected for use shall not be stored in the vicinity of this or any other appli-
ance.
— WHAT TO DO IF YOU SMELL GAS
• Do not try to light appliance.
• Extinguish any open flame.
• Shut off gas to appliance.
— Service must be performed by a qualified service agency.
— DO NOT LEAVE HEATER UNATTENDED OR IN OPERATION WHILE SLEEPING
This is an unvented gas-fired portable heater. It uses air (oxygen) from the area in which it is used.
Adequate combustion and ventilation air must be provided. Refer to page 3.
If the information in this manual is not followed exactly, a fire or explosion may result causing property damage, personal injury or loss of life.
06/03 Revision L1 #73103MR. HEATER INC., 4560 W. 160TH ST., CLEVELAND, OHIO 44135 • 216-881-5500
WARNING:
YOUR SAFETY IS IMPORTANT TO YOU AND TO OTHERS,
SO PLEASE READ THESE INSTRUCTIONS BEFORE YOU
OPERATE THIS HEATER.
GENERAL HAZARD WARNING:
FAILURE TO COMPLY WITH THE PRECAUTIONS AND
INSTRUCTIONS PROVIDED WITH THIS HEATER, CAN
RESULT IN DEATH, SERIOUS BODILY INJURY AND
PROPERTY LOSS OR DAMAGE FROM HAZARDS OF FIRE,
EXPLOSION, BURN, ASPHYXIATION, CARBON MONOXIDE POISONING, AND/OR ELECTRICAL SHOCK.
ONLY PERSONS WHO CAN UNDERSTAND AND FOLLOW
THE INSTRUCTIONS SHOULD USE OR SERVICE THIS
HEATER.
IF YOU NEED ASSISTANCE OR HEATER INFORMATION
SUCH AS AN INSTRUCTIONS MANUAL, LABELS, ETC.
CONTACT THE MANUFACTURER.
WARNING:
CARBON MONOXIDE CAN KILL YOU
USING A PORTABLE GAS CAMPING HEATER INSIDE A
TENT, RV, CAMPER, VEHICLE, SHELTER OR OTHER
ENCLOSED AREAS CAN PRODUCE DEADLY CARBON
MONOXIDE
WARNING:
NOT FOR HOME OR RECREATIONAL VEHICLE USE
WARNING:
FIRE, BURN, INHALATION, AND EXPLOSION HAZARD.
KEEP SOLID COMBUSTIBLES, SUCH AS BUILDING
MATERIALS, PAPER OR CARDBOARD, A SAFE DISTANCE AWAY FROM THE HEATER AS RECOMMENDED
BY THE INSTRUCTIONS NEVER USE THE HEATER IN
SPACES WHICH DO OR MAY CONTAIN VOLATILE OR
AIRBORNE COMBUSTIBLES, OR PRODUCTS SUCH AS
GASOLINE, SOLVENTS, PAINT THINNER, DUST PARTICLES OR UNKNOWN CHEMICALS.
WARNING:
The State of California requires the following warning:
COMBUSTION BY-PRODUCTS PRODUCED WHEN
USING THIS PRODUCT CONTAIN CARBON MONOXIDE,
A CHEMICAL KNOWN TO THE STATE OF CALIFORNIA
TO CAUSE CANCER AND BIRTH DEFECTS (OR OTHER
REPRODUCTIVE HARM).
CONTENTS
WARNINGS ................................................................................... 2
HOOKUP INFORMATION ............................................................... 3
ODOR FADE WARNING ................................................................. 4
GENERAL INFORMATION .............................................................. 4
FOR SAFE OPERATION .................................................................. 4
VENTILATION................................................................................ 5
MINIMUM CLEARANCE FROM COMBUSTIBLE MATERIALS ........... 5
ASSEMBLY PROCEDURE ................................................................ 5
LIGHTING INSTRUCTIONS............................................................. 6
SHUTDOWN AND STORAGE INSTRUCTIONS ................................ 6
PARTS LIST .................................................................................... 7
WARRANTY .................................................................................. 8
INSTRUCTIONS FOR ORDERING PARTS ......................................... 8
Mr. Heater | Gas-Fired Infra-Red Portable Heater Operating Instructions and Owner’s Manual
2
HOOK-UP INFORMATION
1.1 Heater model MH12T and MH12TS are packaged completely.
Propane cylinders (tanks) are not included with heater model.
1.2 Remove heater from carton.
1.3 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. Department of Transportation
(DOT SPEC. 39).
1.4 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).
MODEL MH12T
MODEL MH12TS
WITH SPARKLITE
2.1 Mount heater to bulk tank.
2.2 Hold heater vertically in one hand (see Fig. 1) and with the
other hand carefully turn POL nut counterclockwise into bulk
tank on-off valve, finger tight.
2.3 Make sure bulk tank is on a flat surface in the outdoors or a
well-ventilated area and complete mounting with a 7/8” open
end wrench (see Fig. 2) turning counterclockwise (left hand
thread) until tight, see Para. 5 for additional assembly
procedure.
WARNING
2.4
Never touch heater while in operation to avoid injury.
Move heater by grasping the propane cylinder carefully.
2.5 Read pages 3 and 4 before lighting heater.
FACE
GAURD
Figure 1
HEATER
RELECTOR
CYLINDER
ON-OFF VALVE
BULK
CYLINDER
TIGHTEN
Figure 2
Operating Instructions and Owner’s ManualMr. Heater | Gas-Fired Infra-Red Portable Heater
3