Maintenance Instructions - Mr. Heater MH35LP Operating Instructions And Owner's Manual

Shut-down instructions:
To turn the heater OFF:
1. Close the LP-Gas supply cylinder valve.
2.
3. Listen for closure of the safety valve.
4. IMPORTANT: DO NOT re-open the LP-Gas supply
cylinder valve before the safety valve closes.

MAINTENANCE INSTRUCTIONS

This heater (including hose and regulator assembly) must be
inspected before each use. If the hose for Model MH35LP shows
evidence of excessive abrasion or wear, or if the hose is cut, it
must be replaced prior to the heater being put into operation.
The replacement hose assembly shall be that specified by the
manufacturer. See the parts list.
The appliance area must be kept free and clear of combustible
materials, gasoline and other flammable vapors and liquids at all
times.
The flow of combustion and ventilation air must not be
obstructed.
Cleaning the heater:
Periodically, the heater must be cleaned of all dirt and dust
particles.
DANGER
DO NOT ATTEMPT TO CLEAN THE HEATER
WHILE IT IS OPERATING OR WHILE IT IS
STILL HOT.
• Turn the heater off and wait until it has completely cooled (at
least 20 minutes) before cleaning.
• Clean the outside of the heater using a damp cloth. DO NOT
clean the heater by spraying water on it. Wipe the outside of
the heater off with a dry cloth after cleaning.
• Clean the inside of the heater using compressed air. Blow
air back and forth along the entire burner face until all dust
has been dislodged from the surface of the reverberator and
grid screen. Blow through venturi from the control end of the
heater.
•
(for LP-Gas).
• Clean the thermocouple lead.
DO NOT operate this heater if any part has been under
water. Call a qualified service person to inspect the appliance
and to replace any part of the control system or gas control valve
which has been under water.
This heater must be inspected at least annually by a qualified
service person.
Enerco Group, Inc. | Gas-Fired Infra-Red Portable Construction Heater
TROUBLESHOOTING INFORMATION:
(Model MH35LP)
If burner lights, but goes out when button is released.
CHECK
• Loose wires on tipover switch. (see Fig. 2)
• Loose lead wire and repair wires if necessary.
• Loose thermocouple and tighten if necessary.
Make sure T/C is located correctly between the
reverberator and grid.
• Defective thermocouple. Replace if necessary.
• Defective control. Replace if necessary.
• Defective tip over switch. Replace if necessary.
Expanded Metal Screen
Burner Face
Re ector
Thermocouple
Ori ce
Control
Valve
Reset
Button
NOTE: WHEN LIGHTING BURNER WITH A MATCH OR TAPER, LIGHT AT
BOTTOM OF SCREEN. (NOT AT ORIFICE)
Figure 1
5
Operating Instructions and Owner's Manual
Cylinder
Gas Valve
Propane
Gas
Cylinder
Regulator
Hose