Electrical Service Installation:

System Requirements

The MHT tube heater requires a grounded three-prong electrical outlet to be installed within 18”of the rear surface of the heater’s burner box. It is recommended that the outlet for the heater be ceiling-mounted and should be on a dedicated circuit. DO NOT use an electrical extension cord to operate the heater.

In order to control the heater thermostatically, it is necessary that the grounded three-prong electrical outlet be controlled with a on/off switch or a line voltage thermostat. Please consult with an electrician or follow all local electrical codes.

Heater Rating: 120 VAC, 60Hz, Single Phase, 1 Amp

WARNING Electrical Shock Hazard

Plug heater into grounded three prong ceiling receptacle. Do not cut or remove the grounding prong from this plug. Do not use with an extension cord. Failure to follow these instructions will result in death or electrical shock.

ATTENTION Risque d’électrocution

Brancher le cordon du radiateur sur un socle à 3 broches et à la masse, situé au plafond. Ne pas sectionner ou retirer la broche de masse de cette prise. N’utilliser aucun cable de rallonge. Le non-respect de ces consignes peut entrainer mort ou electrocution.

CAUTION Label all wires prior to disconnection when servicing controls. wiring errors can cause improper and dangerous operation. Verify proper operation after servicing.

Grounding

The heater must be electrically grounded in accordance with the following codes: United States: Refer to National Electrical Code, ANSI/NFPA-70 – latest revision. Wiring must conform to the most current National Electrical Code and local ordinances. Canada: Refer to Canadian Electrical Code, CSA C22.1 Part 1– latest revision.

The appliance, when installed, must be electrically grounded in accordance with local code, or in the absence of local codes, with the National Electrical Code (ANSI/NFPA 70) or Canadian Electrical Code (CSA 22.1), if an external electrical source is utilized.

Gas Service Installation

Install Gas Supply Lines

A ½” gas supply connection is required as shown below. To check system pressure, a plugged 1/8” NPT tapping is required upstream of the manual gas shut-off valve supplied with the heater.

Before connecting the heater to the supply system, verify that all high pressure testing of the gas piping has been completed.

DO NOT HIGH PRESSURE TEST THE GAS PIPING WITH THE BURNER CONNECTED.

Follow these instructions to ensure a safe gas supply system installation:

1.Support all gas piping with suitable pipe hanging materials.

2.Use wrought iron or wrought steel pipe and malleable iron fittings. The use of copper tube and brass fittings is acceptable

Mr. Heater Gas-Fired Low-Intensity Infrared Heater

17

Operating Instructions and Owner’s Manual

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Mr. Heater MHT 45 Electrical Service Installation, Gas Service Installation, System Requirements, Install Gas Supply Lines
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MHT 45 specifications

The Mr. Heater MHT 45 is a versatile and powerful heating solution designed for both residential and commercial spaces. This portable propane heater stands out in the market due to its efficient heating capabilities and user-friendly features, making it ideal for workshops, garages, and outdoor activities.

One of the standout features of the MHT 45 is its robust heating output. It can deliver an impressive 45,000 BTUs, ensuring that even larger spaces are heated quickly and effectively. This high output is particularly beneficial during colder months, where rapid warmth is essential for comfort and productivity. The heater offers a heating range of up to 1,000 square feet, making it suitable for various applications, whether in the home or on the job site.

The MHT 45 utilizes advanced radiant heating technology, providing even warmth without requiring a fan. This technology allows for silent operation, making it an excellent option for noise-sensitive environments. Additionally, the radiant heat minimizes air movement and helps maintain humidity levels, creating a comfortable atmosphere while reducing dust and allergens in the air.

Another noteworthy characteristic is its portability. The MHT 45 comes equipped with a sturdy handle, allowing for easy transport between locations. This makes it a favorite among tradespeople who need efficient heat in different work areas or outdoor enthusiasts who want comfort while camping or tailgating.

Safety features are abundant in the Mr. Heater MHT 45. It includes an automatic shut-off system, which activates if the heater tips over, ensuring user safety. The built-in oxygen depletion sensor automatically turns the heater off if it detects low oxygen levels in the surrounding environment, providing peace of mind while operating.

The heater runs on a 20-pound propane tank, providing a substantial amount of heating time before needing a refill. This efficiency means users can rely on the MHT 45 for extended periods without frequent interruptions.

In summary, the Mr. Heater MHT 45 is a powerful propane heater packed with features that cater to both indoor and outdoor heating needs. With its high BTU output, silent operation, portability, and extensive safety measures, it represents a reliable choice for anyone looking to stay warm in various settings. Whether for personal use or demanding job sites, the MHT 45 is engineered to deliver comfort and convenience.
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