Shipping, Requirements CSA in the USA

SHIPPING

The heater is completely assembled. Installation instructions, two mounting brackets (shipped loose), and a flue transition are included. Check the unit for shipping damage. The receiving party should contact the last carrier immediately if any shipping damage is found.

REQUIREMENTS – CSA IN THE USA

Installation of gas unit heaters must conform with local building codes or, in the absence of local codes, with the current National Fuel Gas Code ANSI Z223.1.

Installation in aircraft hangers must be in accordance with the current Standard for Aircraft Hangers ANSI/NFPA No. 409.

Installation in parking structures must be in accordance with the current Standard for Parking Structures ANSI/NFPA No. 88A.

Installation in repair garages must be in accordance with the current Standard for Repair Garages ANSI/NFPA No. 88B.

These units are approved for residential applications. For installation in a residential garage these units must be installed so that burners and ignition source are located no less than 18" (457mm) above floor. Heater must be located or protected to avoid physical damage by vehicles. Refer to the National Fuel Gas Code, ANSI Z223.1, current edition.

Authorities having jurisdiction should be consulted before NFPA installation. Air for combustion and ventilation must conform to the methods outlined in ANSI Z223.1, section 5.3, Air for Combustion and Ventilation, or applicable provisions of local building codes. The National Fuel Gas Code is available from:

American National Standard Institute Inc.

11 West 42nd Street

New York, NY 10036

These units are CSA International design certified. These unit heaters are certified for installation to combustible material as listed in table 1 and on unit rating plate. Accessibility and service clearances must be observed in addition to fire protection clearances.

All electrical wiring and ground for unit must be in accordance with the regulations of the current National Electric Code ANSI/ No. 70.

The National Electric Code is available from:

National Fire Protection Association

1 Batterymarch Park

PO Box 9101

Quincy, MA 02269-9101

TABLE 1

UNIT CLEARANCES

	Top			Sides		Access Panel

in		mm	in		mm	in	mm

1		25	1		25	18	457

	Bottom			Rear		Single Wall Vent*
in		mm	in		mm	in	mm


0		0	18		456	6	152

*Except for listed clearance thimbles.

REQUIREMENTS – CSA IN CANADA

The instructions are intended only as a general guide and do not supersede local codes in any way. Authorities having jurisdiction should be consulted before installation. The installation must conform with local building codes or in the absence of local codes, with the current CSA B149.1, Natural Gas and Propane Installation Code. All electrical wiring and grounding for the unit must also comply with the Canadian Electrical Code CSA C22.1, current edition.

These unit heaters are CSA International. certified for the clearances to combustible material listed on the rating plate and table 1. Adequate clearance around air openings into the combustion chamber, clearances from combustible material, and provisions for accessibility and for combustion and ventilation air supply. Provision shall be made for service accessibility to the heater. Note that fire protection clearances may be exceeded to provide additional space for service and accessibility.

GARAGE INSTALLATIONS:

Installation in parking structures must be in accordance with the current Standard for Parking Structures ANSI/NFPA No. 88A.

Installation in repair garages must be in accordance with the current Standard for Repair Garages ANSI/NFPA No. 88B.

1.In a storage area, clearance from heaters to combustible materials must be such that the material shall not attain a temperature above 160°F by continuous operation of the unit.

2.Eight foot minimum clearance from the floor to the bottom of the heater must be maintained. Refer to the CSA B149.1, Natural Gas and Propane Installation Code

AIRCRAFT HANGER:

Installation of gas unit heaters must conform with local building codes or, in the absence of local codes, with the current National Fuel Gas Code ANSI Z223.1.

1.In an area where aircraft are housed or serviced, 10' minimum clearance from highest surface of aircraft to bottom of the heater must be maintained.

2.In other areas, 8' minimum clearance from the floor to bottom of heater must be maintained.

3.Heaters should be located so as to be protected from damage from aircraft or other appliances needed for servicing of aircraft. Refer to requirements of the enforcing authorities.

Enerco Compact Unit Heater

Operating Instructions and Owner’s Manual

MHU 45, MHU 75 specifications

Enerco is a renowned name in the heating industry, particularly famous for its innovative line of forced air propane heaters. The Enerco MHU 45 and MHU 75 models are among the top choices for both residential and commercial heating needs, showcasing a range of advanced features and technologies designed for efficient performance and user convenience.

The MHU 45 and MHU 75, as their names suggest, deliver heating outputs of 45,000 BTU and 75,000 BTU respectively, making them suitable for a variety of applications, from small workshops to larger industrial spaces. Both models are equipped with a powerful fan that ensures even heat distribution, rapidly warming up an area while maintaining energy efficiency.

One of the standout features of the MHU series is their lightweight and portable design, allowing users to easily move the heaters from one location to another. This is particularly beneficial in a work environment where heating needs may vary based on project demands. The integrated handle and rubber feet add to the convenience, ensuring stability during operation.

The MHU series also incorporates safety technologies that have been meticulously designed to protect both the unit and the user. Both models are equipped with a built-in safety shut-off valve that automatically turns the heater off in the event of a tip-over or overheating, providing peace of mind for users.

Efficiency is a key characteristic of the Enerco MHU heaters. They utilize propane fuel for combustion, which tends to burn cleaner than other fossil fuels. This not only contributes to a reduced environmental impact but also translates to savings on energy costs for users. The MHU 45 and MHU 75 feature adjustable heat settings, which allow for customized heating to match specific needs, further enhancing their efficiency.

In terms of runtime, the MHU series offers impressive performance. The fuel consumption is optimized to ensure users can rely on these heaters for extended periods without frequent refueling interruptions.

In summary, the Enerco MHU 45 and MHU 75 are powerful, portable, and efficient propane heaters designed to deliver excellent performance in a variety of settings. With their robust safety features, lightweight design, and ability to provide rapid heat distribution, they stand out as exceptional choices for those seeking reliable heating solutions. Whether for industrial, commercial, or residential use, these models underline Enerco's dedication to quality and innovation in heating technology.