FRESH AIR FOR COMBUSTION, VENTILATION AND HEAT DISTRIBUTION - CONT’D.

STEP 4. Compare the total Btu the area can support (from Step 2) to the total Btu in the area the heater will be installed (from Step 3). If the total from Step 2 is larger this is considered an unconfined space, if Btu total from Step 3 is larger this is considered a confined space and provisions must be made for additional combustion and ventilation air. EXAMPLE: Btu area can support is 56,250, total Btu in area is 106,000 – this would be a confined space.

NOTE: A third construction class is one with unusually tight construction, defined as, construction where: (A) Walls and ceilings exposed to the outside atmosphere have a continuous water vapor retarder with a rating of 1 per (6x10-11 Kg per pa-sec-m²) or less with openings gasketed or sealed, and, (B) Weatherstripping has been added on openable windows and doors, and , (C) Caulking or sealants are applied to areas such as joints around window and door frames, between sole plates and floors, between wall ceiling joints, between wall panels, at penetration for plumbing, electrical, and gas lines, and at other openings.

“WARNING: If the area in which the heater may be operated is smaller than that defined as an unconfined space, or if the building is of unusually tight construction, provide adequate combustion and ventilation air by one of the methods described in the National Fuel Gas Code, ANSI Z223.1/NFPA54, Section 5.3 or applicable local codes.” Examples would be to provide two permanent openings either to an adjoining room, or to the outside. See the National Fuel Gas Code for details. See Figure 9 & Figure 10 below.

Chimney or gas vent

Opening

Furnace Water

Heater

Opening

Equipment located in confined spaces; all air from inside the building. See 5.3.3(a).

Chimney or gas vent

Ventilation louvers (each end of attic)

 

Outlet Air

Furnace Water

Inlet Air

Heater

Alternate air inlet

Ventilation louvers for unheated crawl space

Equipment located in confined spaces; all air from outdoors - inlet air from ventilated crawl space and outlet air to ventilated attic. See 5.3.3(b).

FIGURE 9

FIGURE 10

INSTALLATION

Installation and service must be performed by a qualified installer, service agency or the gas supplier.

LOCATION

1)For most efficient performance, locate heater as centrally as possible in the area to be heated.

2)Do not install heater in a closet, alcove or small hallway where the heater could be isolated from the space to be heated and adequate combustion air by closing a door.

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Louisville Tin and Stove VFM103, VFT302, VFT201, VFM303, VFM63, VFM304, VFM104, VFT202, VFM204, VFM203 Installation, Location
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VFT101, VFT201, VFM303, VFT102, VFM104 specifications

Louisville Tin and Stove has established a solid reputation in the hearth and home industry, particularly with its lineup of innovative gas fireplaces. Among its notable offerings are the VFM303, VFT101, VFT102, VFM304, and VFM204 models, each designed to provide homeowners with efficient, stylish, and comforting warmth.

The VFM303 is a remarkable unit that brings modern aesthetics and functionality to any living space. It features a linear design, making it an ideal focal point for contemporary homes. Equipped with a powerful BTU output, this fireplace ensures ample warmth while maintaining energy efficiency. Its intuitive remote control system allows users to conveniently adjust flame height and heat settings, while the beautiful flame presentation creates an inviting ambiance.

The VFT101 and VFT102 models stand out for their versatility and classic design. Both units come with customizable options such as varied front designs and sizes, enabling homeowners to tailor them to their decor. These fireplaces utilize advanced burner technology that delivers realistic flames and consistent heat output. With programmable thermostats and easy-to-use controls, these models epitomize convenience and user-friendliness, catering to both style and functionality.

In the VFM304, efficiency is taken up a notch with the incorporation of advanced heat exchanger technology. This feature maximizes heat distribution throughout the room, promoting warmth even in larger spaces. The VFM304 also includes a sealed combustion system, ensuring safety and air quality within the home by utilizing outside air for combustion.

Lastly, the VFM204 model combines compact design with robust performance. Ideal for smaller settings, this fireplace does not compromise on effectiveness, providing efficient heating with a sleek look. With a variety of decorative options, including media trays and customizable flame colors, the VFM204 easily fits into diverse interior styles.

Overall, Louisville Tin and Stove's line of fireplaces is characterized by their commitment to quality, safety, and consumer satisfaction. With advanced technologies and attention to design, these models cater to a wide range of preferences, making them a reliable choice for anyone seeking to enhance their living space with the warmth and charm of a gas fireplace.
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