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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. MR. HEATER INC., 4560 W. 160TH ST., CLEVELAND, OHIO 44135 • 216-881-5500 OPERATING INSTRUCTIONS AND OWNER’S MANUAL Model # MH42T MODEL MH42T 06/03 Revision L1 #73744...
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 MONOX- IDE POISONING, AND/OR ELECTRICAL SHOCK.
HOOK-UP INFORMATION Heater model MH42T is packaged completely assembled. Propane cylinders are not included with heater models. 1.2 Remove heater assembly from carton. 1.3 Place the slots of the black collar mounting bracket assembly onto the collar of the bulk tank (see Fig. 1)
1. GENERAL INFORMATION The Mr. Heater MH42T heaters are high pressure propane appliances and are designed to be connected to a bulk propane tank. Every unit is tested during manufacturing and shipped fully These heaters are equipped with three automatic Safety Shutoff Valves.
Turn the heater’s “Hi-Med-Lo-Off” regulator know to “Med” (counterclockwise). 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.
Mr. Heater • Gas-Fired Infra-Red Portable Heater • Model #MH42T NOTE: WHEN LIGHTING BURNER WITH A MATCH OR TAPER, LIGHT AT SCREEN. (NOT AT ORIFICE) REPLACEMENT PARTS LIST FOR HEATER MODEL MH42T FULLY ASSEMBLED WITH METAL GAS MANIFOLD REF.# ITEM# DESCRIPTION 73960...
7. SHUTDOWN AND STORAGE INSTRUCTIONS A. The bulk propane tank “on-off” valve should ALWAYS be completely turned “OFF” when the heater is not in use. When shutting off the heater, turn the regulator knob on the heater to “OFF” (clockwise). (See Figure 4) CAUTION: After turning unit off, heater will remain extremely hot.
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