Lighting Instructions; Shutdown And Storage Instructions; Parts List; Maintenance - Mr. Heater MH15T Operating Instructions And Owner's Manual

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 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.
Mr. Heater Tank Top Heaters should not be used with
composite fiberglass tanks, due to the design and reduced
weight of the tanks.
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 heaterÊs „Hi-Med-L o-Off‰ r egulator knob to „Med‰
(counterclockwise).
D. To light heater, place a lit match across the mesh screen where
you see „light here‰ on the r eflector. (See Figure 5) THEN push
in valve button on Safety Shutoff Valve. After the heater 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. NEVER STAND IN FRONT OF
HEATER WHILE LIGHTING. REPEAT STEP „D‰ FOR EA C H BURNER.
E. If burner does not light within 30 seconds, turn the heaterÊs
regulator knob to „off‰ (clockwise) and allo w at least five
minutes for gas to dissipate before attempting to relight.
F. NOTE: Should the orifice become clogged as indicated by low
volume of gas when operating on „Hi‰ with a full c ylinder,
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.
G. Adjust heat output by turning knob to desired position.
H. DO NOT USE THIS HEATER FOR COOKING.
Model: MH15T
Figure 5.
Mr. Heater | Gas-Fired Infra-Red Tank Top Heater
SHUTDOWN AND STORAGE
INSTRUCTIONS
A. The bulk propane tank „on-off‰ v alve should ALWAYS be
completely turned „OFF‰ when the hea ter is not in use.
B. When shutting off the heater, turn the regulator knob on the
heater to „OFF‰ (clockwise).
C. CAUTION: After turning unit off, heater will remain extremely
hot. Allow at least 15 minutes for cooling before handling and
storing. Detach heater from bulk tank before handling and
storage. REMEMBER – POL fitting is a left-hand thread.
D. HEATER STORAGE: Indoor storage of the heater is
permissible only if the cylinder is disconnected and removed
from the heater. Cylinders must be stored outdoors out of the
reach of children and must not be stored in a building, garage
or any other enclosed area. Store cylinders only in accordance
with the Standard for the Storage and Handling of Liquefied
Petroleum Gases ANSI/NFPA 58 and CSA B149.1, Natural Gas
and Petroleum Installation Code.
E. See page 7 for spare parts list.

MAINTENANCE

A. Remove thermocouple (3) retaining bracket screw from back
of burner assembly (2). Remove bracket.
B. Note position of thermocouple (3) in retaining tabs on the
back of the Burner assembly (2). Remove the thermocouple.
C. Remove wing bolt (18) and fiber washer (19) that attached
the safety shut-off (6) to the burner Assembly (2).
D. Slide the safety shut-off (6) from burner assembly (2).
E. Remove burner orifice (20) from the safety shut-off (6).
F. Clean burner orifice with compressed air (80 psi max).
G. Direct compressed are through the burner(2) venturi tube
toward the burner plenum so that dust collected on the grid
screen will be blown outward. Keep face away from the grid
screen.
H. Reassemble heater in reverse order of disassembly.
I. See page 7 for spare parts list.
Model: MH30T
6
Operating Instructions and OwnerÊs Manu al