Maintenance Instructions, Cleaning the heater

Shut-down instructions:

To turn the heater OFF:

1.Close the LP-Gas supply cylinder valve.

2.Observe the burner until flame is extinguished.

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 MH35LPTS 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.

•Clean the orifice of each burner with a #55 drill bit (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.

TROUBLESHOOTING INFORMATION: (Model MH35LPTS)

If burner lights, but goes out when button is released.

CHECK

•Loose wires on tipover switch. (see Fig. 4)

•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
	Reflector
Thermocouple		Orifice
		Orifice
		Control


		Valve
		Valve

Reet

Button

Hose

Regulator

NOTE: WHEN LIGHTING BURNER WITH A MATCH OR TAPER, LIGHT AT BOTTOM OF SCREEN. (NOT AT ORIFICE)

Figure 3

Mr. Heater Gas-Fired Infra-Red Portable Construction Heater

Operating Instructions and Owner’s Manual

MH35LPTS specifications

The Mr. Heater MH35LPTS is a powerful and versatile portable propane heater designed for both indoor and outdoor use. It is particularly favored by those who require a reliable heating source in various settings, including garages, workshops, camping sites, and during emergencies. With its blend of functionality and ease of use, the MH35LPTS has become a popular choice among consumers looking for efficient heating solutions.

One of the key features of the MH35LPTS is its impressive heating capacity, producing up to 35,000 BTUs per hour. This makes it capable of warming spaces of up to 800 square feet, ensuring that users can maintain a comfortable environment even in colder conditions. Operating on a standard 20 lb. propane tank, the heater is not only efficient but also cost-effective, as propane tends to be a more affordable fuel option compared to electric heating systems.

The Mr. Heater MH35LPTS incorporates advanced safety features, including an automatic low oxygen shut-off system (ODS) and a tip-over safety shut-off valve. These safety mechanisms ensure that the heater will turn off automatically if oxygen levels drop too low or if the unit is accidentally knocked over, providing peace of mind for users, especially when using the heater indoors.

Another significant characteristic of the MH35LPTS is its ease of portability. With a lightweight design and a built-in carry handle, the heater can be easily moved from one location to another, making it ideal for various applications. Whether you need warmth for a construction site or comfort during a camping trip, this heater can be transported with minimal effort.

The heater also features an adjustable heat setting, allowing users to customize the temperature according to their preferences. The straightforward control mechanism ensures that even those who are not familiar with heating equipment can easily operate it.

In summary, the Mr. Heater MH35LPTS is an excellent choice for anyone in need of a reliable and efficient heating solution. With its robust heating capacity, essential safety features, portable design, and user-friendly controls, this propane heater effectively meets the demands of both indoor and outdoor use. Whether for work or leisure, the MH35LPTS stands out as a dependable option for generating warmth when it is needed the most.