Mr. Heater MH45T Operations Instructions download pdf (Page 5)

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Operating Instructions and Owner’s ManualMr. Heater | Gas-Fired Infra-Red Portable Heater

E. CONNECTING HEATER TO PROPANE CYLINDER: Always

connect the heater to the bulk cylinder in the outdoors or in a

well ventilated area. NEVER connect this heater to a cylinder near

an open flame.

F. USE OF HEATER: Always operate the heater with the propane

cylinder in an upright position on a level noncombustible surface.

NEVER place the cylinder on its side when operating the heater.

G. ATTEND HEATER: Do not leave heater unattended while it is in

operation.

H.  NEVER attempt to

light the heater with a spark lighter.

I.  Should the heater not perform properly,

such as little or no heat when operating in the “Hi” position, or

for any other reason, DO NOT ATTEMPT TO REPAIR OR TAMPER

with the heater. Any tampering could make the use of the heater

unsafe and dangerous. Return the heater to the dealer or the

address given on last page for repair or replacement.

J. FOR STORAGE: The heater Hi-Med-Lo-Off regulating valve

should always be turned to “Off” when the heater is not in

use. Allow at least 15 minutes for cooling before handling and

storing. Detach propane cylinder from heater before storing. DO

NOT store propane cylinders near open flame or heat.

K. 

OPERATION OR WHILE HEATER IS ATTACHED. FOLLOW

SHUTDOWN AND STORAGE INSTRUCTIONS TO TRANSPORT



3. VENTILATION

A. WARNING: This heater is an unvented appliance and



attempt to operate the heater inside any vehicle, camper or

enclosure.

B. FOR OUTDOOR USE ONLY. Any combustion process

requires and consumes oxygen, and will produce carbon

monoxide.

C. WARNING: provide ample ventilation. This heater con-

sumes 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.





 

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.



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 the hand

wheel 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. 

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 knob to “Med”

(counterclockwise).

D. To light a burner, MH45T 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

MH45T 45,000 Vertical 32” 36" 36" 48”

MODEL

NO.

GAS

PROPANE

BTU/HR. RATING



OPERATING

PROCEDURE



FROM C.L. OF

HTR. TO FLOOR

SIDES

REAR

CEILING FRONT

48"

Figure 4

1 2 3 4 5 6 7 8 9 10 ... 15 16

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Mr. Heater MH45T Operations Instructions Page 5

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