Where can the heater be installed?

The MHT tube heater is intended for installation in the following areas:

Residential applications, such as:

garages

greenhouses

workshops

Light industrial/commercial applications, such as:

entranceways

lobby areas

Lunch rooms

aircraft hangars (see Section 2 for restrictions)

public garages ( see Section 2 for restrictions)

Where can’t the heater be installed?

The MHT tube heater is not intended for installation in the following areas:

Residential living or sleeping areas

Basements

Installer’s responsibility

The MHT tube heater , as well as the gas and electrical supply, and the venting of the heater must be installed in accordance with applicable specifications and codes. Only firms (or individuals) well qualified in this type of work should install the system. Consult local Building Inspectors, Fire Marshals for further guidance.

Use the information given in this manual together with the cited codes and regulations to perform the installation. The installer must furnish all needed materials that are not furnished as standard equipment. It is also the installer’s responsibility to see that the materials and installation methods used, result in a job that is workmanlike in appearance and is in compliance with all applicable codes and requirements to this manual. The installer must give this manual to the owner.

Section 2 PLANNING

General

This section provides the following information:

Defines the gas, electric and venting requirements for the MHT tube heater.

Specifies the national standards and applicable codes that apply to the gas, electric and venting requirements.

Specifies the national standards and applicable codes that apply to non-residential installations.

Gas Service Requirements:

System Requirements

Inlet Connection

Connection: ½” Male NPT

Inlet Pressure

Natural Gas:

Minimum - Inlet 5.0” w.c.

Maximum – Inlet 10.5” w.c.

LP Gas (propane):

Minimum – Inlet 10.5” w.c.

Maximum – Inlet 13.0” w.c.

Manifold Pressure

Natural Gas: 4.0” w.c.

LP Gas (propane): 10.0” w.c.

Type of Gas

The type of gas appearing on the nameplate must be the type of gas used. Installation must comply with local codes and recommendations of the local gas company. United States: Refer to National Fuel Gas Code, ANSI Z223.1 – latest revision, (same as NFPA Bulletin 54). Canada: Refer to Can 1-B149.1: Installation Codes for Gas Burning Appliances.

Gas Supply Lines

The size of the gas supply lines must comply with local codes and recommendations of the local gas company. United States: Refer to National Fuel Gas Code, ANSI Z223.1 – latest revision, (same as NFPA Bulletin 54). Canada: Refer to CAN 1-B149.1: Installation Codes for Gas Burning Appliances.

A 1/8” NPT plugged tap must be installed in the gas line connection immediately upstream of the heater that is farthest from the gas supply meter. The tap is required for checking system gas pressure.

Meter and Service

Meter and service must be large enough to handle all the heaters being installed plus any other connected load. The gas line which feeds the system must be large enough to supply the required gas with a maximum pressure drop of ½” w.c. When gas piping is not included in the layout drawing, the local gas supplier will usually help in planning the gas piping.

Mr. Heater Gas-Fired Low-Intensity Infrared Heater

6

Operating Instructions and Owner’s Manual

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Mr. Heater MHT 45 Where can the heater be installed?, Where can’t the heater be installed?, Installer’s responsibility

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.