An unvented gas-fired heater uses air (oxygen) from the room in which it is installed. Provisions for adequate combustion and ventilation air must be provided. See
installation guidelines.
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IMPORTANT SAFETY INFORMATION

INSTALLER

Please leave these instructions with the appliance.

OWNER

Please retain these instructions for future reference.

IMPORTANT

Read these instructions carefully before installing or trying to operate a vent-free gas heater in this firebox.

WARNING

•Any change to this heater or its controls can be dangerous.

•Improper installation or use of the heater can cause serious injury or death from fire, burns, explosion or carbon monoxide poisoning.

•Do not allow fans to blow directly into the fireplace. Avoid any drafts that alter burner flame patterns.

•Do not use a blower insert, heat exchanger insert or other accessory, not approved for use with this heater where applicable.

1.Due to high temperatures, the appliance should be located out of traffic and away from furniture and draperies.

2.Children and adults should be alerted to the hazard of high surface temperature and should stay away to avoid burns or clothing ignition.

3.Young children should be carefully supervised when they are in the same room with the appli- ance.

4.Do not place clothing or other flammable material on or near the appliance.

5.Any safety screen or guard removed for servicing an appliance, must be replaced prior to operating the heater.

6.Installation and repair should be done by a qualified service person.

7.To prevent malfunction and/or sooting, an unvented gas heater should be cleaned before use at least annually by a professional service person. More frequent cleaning may be required due to exces- sive lint from carpeting, bedding material, etc. It is imperative that control compartments, burners and circulating air passageways be kept clean.

8.CARBON MONOXIDE POISONING: Early signs of carbon monoxide poisoning are similar to the flu with headaches, dizziness and/or nausea. If you have these signs, obtain fresh air immediately. Have the heater serviced as it may not be operating properly.

9.The installation must conform with local codes or, in the absence of local codes, with the National Fuel Gas

Code, ANSI Z223.l/NFPA54.

10.This unit complies with ANSI Z21.91.2001 ventless fire- box enclosures for gas-fired unvented decorative room heaters.

11.Do not install heater in a bathroom or bedroom.

12.Correct installation of the ceramic fiber logs, proper location of the heater, and annual cleaning are necessary to avoid potential problems with sooting. Sooting, resulting from improper installation or operation, can settle on surfaces outside the fireplace. See log placement instructions for proper installation.

13.Avoid any drafts that alter burner flame patterns. Do not allow fans to blow directly into fireplace. Do not place a blower inside burn area of firebox. Ceiling fans may create drafts that alter burner flame patterns. Sooting and improper burning will occur.

14.Caution: Candles, incense, oil lamps, etc. produce combustion byproducts including soot. Vent-free appli- ances will not filter or clean soot produced by these types of products. In addition, the smoke and/or aromatics (scents) may be reburnt in the vent-free appliance which can produce odors. It is recommended to minimize the use of candles, incense, etc. while the vent-free appliance is in operation.

15.

26D4720

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Monessen Hearth MCUF42D SERIES dimensions Important Safety Information, Installer, Owner
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MCUF42D SERIES specifications

The Monessen Hearth MCUF42D Series is a remarkable line of fireplaces designed to offer both functionality and elegance, perfect for any modern home. These units are built to provide efficient heating while maintaining a sleek and stylish aesthetic. One of the standout features of the MCUF42D series is its heat output capacity, designed to ensure that even large spaces are effectively warmed. With a powerful heat output of up to 40,000 BTUs, the MCUF42D can easily become the central heating source for a living area.

One notable technology incorporated in the MCUF42D series is its advanced combustion system. This system enhances fuel efficiency, allowing the fireplace to burn cleaner and produce fewer emissions. This not only benefits the environment but also contributes to lower heating costs for homeowners. Additionally, the series is designed with a high-efficiency rating, which means that it maximizes the heat produced from every unit of fuel consumed.

Aesthetically, the MCUF42D series does not compromise on style. It features a contemporary design that appeals to modern sensibilities, with options for various finishes and trims. Homeowners can customize their fireplaces with different front styles, such as traditional doors or a sleek modern face. The generous viewing area of the fireplace, framed by elegant glass doors, provides a beautiful view of the flames, creating an inviting atmosphere in any room.

Another outstanding characteristic of the MCUF42D series is the ease of installation. The unit is engineered for flexible venting options, allowing it to be installed in a variety of settings, whether it's a new or existing structure. This adaptability makes it an ideal choice for renovations or new builds.

Furthermore, the MCUF42D series incorporates features for ease of use and safety. The remote control operation allows users to adjust the heat settings and flames at their convenience, offering modern functionality. Safety features such as tempered glass doors and an automatic shut-off system provide peace of mind for families.

In summary, the Monessen Hearth MCUF42D series combines powerful heating capabilities, advanced technology, and stylish design. With its efficient performance and customizable options, it stands out as an excellent choice for those looking to enhance their living space with a contemporary fireplace that warms the home while elevating its aesthetic appeal.
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