OPERATING INSTRUCTIONS
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.
Model #
MH12C
MH12CS
GAS-FIRED INFRA-RED
PORTABLE HEATER
CYLINDER NOT INCLUDED
MODEL
MH12C
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.
•
• Shut off gas to appliance.
— Service must be performed by a qualified service agency.
— DO NOT LEAVE HEATER UNATTENDED OR IN OPERATION WHILE SLEEPING
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.
MODEL
MH12CS
Adequate combustion and ventilation air must be provided. Refer to page 3.
06/10 Revision Cmh #73304 MR. 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 US-
ING 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 ................................................................... 5
VENTILATION ................................................................................. 5
MINIMUM CLEARANCE FROM COMBUSTIBLE MATERIALS .............5
ASSEMBLY PROCEDURE ................................................................ 5
COOKING POSITIONS ................................................................... 6
LIGHTING INSTRUCTIONS ............................................................. 6
SHUTDOWN AND STORAGE INSTRUCTIONS .................................. 6
REPLACEMENT 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 models MH12C and MH12CS are packaged completely
assembled except for metal stand. Propane cylinders are not
included with models MH12C and MH12CS.
1.2 Remove heater from carton.
1.3 Hold heater in one hand and with the other hand hold propane
cylinder vertically and carefully turn clockwise into heater valveregulator until snug. (Careful not to cross-thread) – Fig. 1 and
Fig. 2.
1.4 Use only LP-gas cylinders constructed for use with propane only
(HD-5) and marked in accordance with the specications for
LP-gas cylinders of the U. S. Department of Transportation (DOT
Spec. 39).
1.5 Use propane fuel cylinders of not more than 75 cubic inches
(2-1/2 pounds nominal water capacity) and connect to cylinder
valve outlet connection No. 600 as specified in the Compressed
Gas Associations Limited Standard Cylinder Valve Outlet
Connection for propane-small valve series.
VALVE/REGULATOR/#F273607
PUSH BUTTON
THERMOCOUPLE
SAFETY SHUTDOWN VALVE
KNURLED LOCK NUT
2.1 Grasp heater model by cylinder and hold wire stand with other
hand. Slide mounting clip on back of heater onto chrome plated
wire stand. Fig. 1 and 2.
2.2 Push igniter lead onto end of Sparklite Igniter on Model
MH12CS-Figure 2.
2.3 Make sure wire stand is on a at surface in the outdoors. See
paragraph 5 for additional assembly procedure.
2.4
WARNING
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
HEATER
RELECTOR
MODEL MH12C
CYLINDER - NOT SUPPLIED
WIRE STAND
Figure 1
IGNITER LEAD
SPARKLITE IGNITER
MODEL MH12CS
Operating Instructions and Owner’s ManualMr. Heater | Gas-Fired Infra-Red Portable Heater
3
Figure 2