Vanguard Heating NLFB32NC, FB32CA, FB32NCA, NLFB32C Determining FRESH-AIR Flow for Heater Location

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AIR FOR COMBUSTION

AND VENTILATION

Continued

DETERMINING FRESH-AIR FLOW FOR HEATER LOCATION

Determining if You Have a Confined or Unconfined Space

Use this work sheet to determine if you have a confined or unconfined space.

Space: Includes the room in which you will install heater plus any adjoining rooms with doorless passageways or ventilation grills between the rooms.

1.Determine the volume of the space (length x width x height).

Length x Width x Height =__________ cu. ft. (volume of space)

Example: Space size 20 ft. (length) x 16 ft. (width) x 8 ft. (ceiling height) = 2560 cu. ft. (volume of space)

If additional ventilation to adjoining room is sup- plied with grills or openings, add the volume of these rooms to the total volume of the space.

2.Multiply the space volume by 20 to determine the maximum Btu/Hr the space can support.

____________ (volume of space) x 20 = (Maximum Btu/Hr the space can support)

Example: 2560 cu. ft. (volume of space) x 20 = 51,200 (maximum Btu/Hr the space can support)

3.Add the Btu/Hr of all fuel burning appliances in the space.

Vent-free heater

________ Btu/Hr

Gas water heater*

________ Btu/Hr

Gas furnace

________ Btu/Hr

Vented gas heater

________

Btu/Hr

Gas fireplace logs

________

Btu/Hr

Other gas appliances* + ________

Btu/Hr

Total

= ________

Btu/Hr

*Do not include direct-vent gas appliances. Direct-vent draws combustion air from the outdoors and vents to the outdoors.

Example:

40,000

 

Gas water heater

Btu/Hr

________

Vent-free heater

39,000

Btu/Hr

+ ________

Total

79,000

Btu/Hr

= ________

4.Compare the maximum Btu/Hr the space can support with the actual amount of Btu/Hr used.

_______Btu/Hr (maximum the space can support)

________ Btu/Hr (actual amount of Btu/Hr used)

Example: 51,200 Btu/Hr (maximum the space can support)

79,000 Btu/Hr (actual amount of Btu/Hr used)

The space in the above example is a confined space because the actual Btu/Hr used is more than the maximum Btu/Hr the space can support. You must provide additional fresh air. Your options are as follows:

A.Rework worksheet, adding the space of an adjoining room. If the extra space provides an unconfined space, remove door to adjoining room or add ventilation grills between rooms. See Ventilation Air From Inside Building, page 8.

B.Vent room directly to the outdoors. See Ven- tilation Air From Outdoors, page 8.

C.Install a lower Btu/Hr heater, if lower Btu/Hr size makes room unconfined.

If the actual Btu/Hr used is less than the maxi- mum Btu/Hr the space can support, the space is an unconfined space. You will need no additional fresh air ventilation.

WARNING: If the area in which the firebox and gas log 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.

105604-01H

www.desatech.com

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Contents Shown with optional cabinet Unvented VENT-FREE 32 LogMate Universal FireBOXTable of Contents Safety Information Local Codes Product SpecificationsUnpacking Operation Product FeaturesBlower Accessory Locating FireboxUnusually Tight Construction AIR for Combustion VentilationProviding Adequate Ventilation Following are excerpts from National FuelDetermining if You Have a Confined or Unconfined Space Determining FRESH-AIR Flow for Heater LocationVentilation Air From Outdoors InstallationVentilation AIR Ventilation Air From Inside BuildingMantel Clearances for Built-In Installation Installation ClearancesMinimum 16 inches from Side Wall Conventional Installation of Blower Accessory Installing Blower AccessoryModel FB32CA only Speed you desire Plug in blower power cordBuilt-In Installation of Blower Accessory Operating the BlowerReplace firebox bottom and secure with screws Installing LOG Heater in FireboxInstalling Fireplace Hood Remove four screws holding firebox bottom in placeRoute flexible gas line through access hole in hearth base Installing Fireplace ScreenFirebox Installation Using Optional Accessory Mantels Tions are included with each accessory27 7/8 BUILT-IN Firebox InstallationParts not Under Warranty Replacement PartsTechnical Service Parts Under WarrantyAccessories Laminate Trim for Hearth or Mantel Hardwood Cabinet Hearth BaseModels FB32NCA and NLFB32NC Illustrated Parts BreakdownParts List Models FB32CA and NLFB32C KEY Part Number FB32CA NLFB32C Description QTY 105604-01H 105604-01H Keep this Warranty Warranty InformationLimited Warranty VENT-FREE Firebox

NLFB32NC, NLFB32C, FB32CA, FB32NCA specifications

The Vanguard Heating NLFB32NC, FB32NCA, FB32CA, and NLFB32C are modern, innovative heating systems crafted to meet the demands of contemporary living spaces. These models emphasize efficiency, reliability, and advanced technology, making them a popular choice for both residential and commercial applications.

One of the standout features of the Vanguard Heating line is its energy efficiency. Designed with cutting-edge technology, these heating units boast optimized heating performance while minimizing energy consumption. With a high energy efficiency rating, they help users reduce their carbon footprint and lower utility bills, providing a substantial return on investment over the years.

These models incorporate advanced heating technologies, including variable speed fans, which adjust according to the heating needs of the space. This feature not only enhances comfort by maintaining a consistent temperature but also reduces noise levels, allowing for a peaceful environment. The intuitive control systems enable users to easily adjust settings, ensuring that their heating preferences are met at all times.

Constructed with durable materials, the Vanguard Heating models are designed to withstand the rigors of daily use. Their robust build quality ensures longevity and reduces the need for frequent maintenance. Additionally, the compact design of these systems allows for flexible installation, making them suitable for a variety of settings, whether in tight spaces or larger areas.

Moreover, the NLFB32NC and its counterparts are equipped with safety features that prioritize user protection. Overheat protection and automatic shut-off mechanisms are standard, ensuring that the units operate safely and efficiently. These heating systems also come with easy-to-read digital displays, enabling users to monitor performance and troubleshoot any issues quickly.

The Vanguard Heating series is also designed with environmental considerations in mind. They comply with stringent environmental standards, contributing to a greener future. The use of sustainable materials in production further reflects Vanguard's commitment to eco-friendly practices.

In summary, the Vanguard Heating NLFB32NC, FB32NCA, FB32CA, and NLFB32C offer a comprehensive heating solution characterized by energy efficiency, advanced heating technologies, durability, and safety features. Their innovative designs cater to a wide range of heating needs, making them an excellent choice for anyone seeking reliable, high-performance heating solutions. By choosing Vanguard Heating, users benefit from enhanced comfort, cost savings, and a reduced environmental impact.
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