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Unvented Vent-free
Fireboxes
Models: BUF400, BUF500
WARNINGS
If the information in this manual is not
followed exactly, a fire or explosion may
result causing property damage, personal
injury or loss of life.
– Do not store or use gasoline or other
flammable vapors and liquids in the
vicinity of this or any other appliance.
– WHAT TO DO IF YOU SMELL GAS
• Do not try to light any appliance.
• Do not touch any electrical switch; do
not use any phone in your building.
• Immediately call your gas supplier
from a neighbor's phone. Follow the
gas supplier's instructions.
• If you cannot reach your gas supplier,
call the fire department.
– Installation and service must be
performed by a qualified installer,
service agency or the gas supplier.
Installation & Operating
Instructions
For use with a listed gas-fired unvented
decorative room heater not to exceed
40,000 BTU/hr. Do Not Build a Wood Fire.
Carefully review the instructions supplied
with the decorative type unvented room
heater for the minimum fireplace size
requirement.
DO NOT INSTALL AN AppLIANCE IN THIS
FIREBOx UNLESS THIS FIREBOx MEETS
THE MINIMUM DIMENSIONS REqUIRED
FOR THE INSTALLATION.
INSTALLER: Leave this manual with the appliance.
CONSUMER: Retain this manual for future reference.
611013
BUF cover
61D1013 12/12 Rev. 11
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Table of Contents
Related Manuals for Vermont Castings BUF400
Summary of Contents for Vermont Castings BUF400
- Page 1 Unvented Vent-free Fireboxes Models: BUF400, BUF500 WARNINGS If the information in this manual is not followed exactly, a fire or explosion may result causing property damage, personal injury or loss of life. – Do not store or use gasoline or other Installation &...
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Page 2: Table Of Contents
BUF Vent-Free Fireboxes pLEASE READ THE INSTALLATION & OpERATING INSTRUCTIONS BEFORE USING AppLIANCE. Thank you and congratulations on your purchase of an Vermont Castings Group vent free firebox. IMpORTANT: Read all instructions and warnings carefully before starting installation. Failure to follow these instructions may result in a possible fire hazard and will void the warranty. -
Page 3: Important Safety Information
IMpORTANT SAFETY INFORMATION BUF Vent-Free Fireboxes OWNER INSTALLER Please retain these instructions for future reference. Please leave these instructions with the appliance. • 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. - Page 4 IMpORTANT SAFETY INFORMATION BUF Vent-Free Fireboxes Continued from page 3 The initial break-in operation should last two to three Do not attempt to burn solid wood fuels, hours with the burner at the highest setting. Provide vented gas log sets, or any other combustible maximum ventilation by opening windows or doors to in this unvented firebox.
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Page 5: General Installation Information
GENERAL INSTALLATION INFORMATION BUF Vent-Free Fireboxes WHAT YOU WILL NEED FOR INSTALLATION The new BUF400 and BUF500 Series are vent-free fireboxes. They feature a self contained heat-circulating TOOLS and BUILDING SUppLIES system. These units also feature a 2-in1, flexible-face •... -
Page 6: Firebox And Framing Dimensions
34” 34 ” ” ” 6" 2" 2" 10 ” ” ” Figure 1 - Firebox and Framing Dimensions Ref. BUF400 BUF500 40" 46" 611013 36" 42" BUF dims 24ZC\zn" 30ZC\zn" D - Chase Installation 40Z\v" 46Z\v" D - Recessed Installation 40C\v"... -
Page 7: Hearth Dimensions
LESS THAN 42" FROM FRONT OF HEATER. • Never obstruct the front opening of the vent-free firebox FP2901 or restrict the flow of combustion and ventilation air. Ref. BUF400 BUF500 hearth dims • 35Z\x" 41Z\x" Minimize modifications to existing construction. Refer to Figure 3 below for location suggestions. -
Page 8: Minimum Clearances
MINIMUM CLEARANCES BUF Vent-Free Fireboxes Ensure that minimum clearances shown in Figures 4 through 7 are maintained. Left and right clearances are 12” determined when facing the front of the firebox. 10” Follow these instructions carefully to ensure safe instal- lation. -
Page 9: Firebox Framing
FLOOR CLEARANCES and FRAMING BUF Vent-Free Fireboxes Firebox framing can be built before or after the appliance 5. Floor clearance: This inner chamber firebox floor must is set in place. Construct firebox framing following Figure 1 be installed at least 5" above any combustible flooring for your specific installation requirements. -
Page 10: Fireplace Installation
FIREpLACE and CANOpY INSTALLATION BUF Vent-Free Fireboxes 1. Bend out the nailing flanges located on each side of the CANOpY INSTALLATION firebox. A canopy is furnished with each firebox and MUST be 2. Slide the firebox into prepared framing or position firebox installed for safe operation. -
Page 11: Gas Line Installation
GAS LINE INSTALLATION BUF Vent-Free Fireboxes plumbing connections should only be Connecting directly to an unregulated performed by a qualified, licensed plumber. propane / L.p.G. tank can cause an Main gas supply must be off when plumbing explosion. gas line to fireplace or performing service. Consult all local codes. -
Page 12: Combustion Air
COMBUSTION AIR BUF Vent-Free Fireboxes COMBUSTION AIR 1. Locate combustion air assembly at an exterior location which is not likely to be accidentally blocked in any man- ner. Locate assembly a min. of 12" above the snow line to prevent blockage by snow accumulation. 2. -
Page 13: Optional Ak-4 Outside Air Kit
COMBUSTION AIR BUF Vent-Free Fireboxes DO NOT remove the cover if the outside Screws air will not be connected. Air Starting Collar Duct The use of outside air for combustion is optional unless required by building codes. It is only necessary to supply outside combustion air to one side of the fireplace. -
Page 14: Model 403 Duct Connector
COMBUSTION AIR BUF Vent-Free Fireboxes 7. If the duct is the insulated type, push the insulation back from one end of the duct approximately 2". Figure 18 Insulation 8. Slip the exposed end of the duct over the starting collar Approximately ... -
Page 15: Optional Equipment
OpTIONAL EqUIpMENT BUF Vent-Free Fireboxes FORCED AIR kIT (FA2A) If you are installing the forced air kit, Model FA2A, see the installation instructions provided with the kit for electrical wiring requirements, or the blower installation section. The firebox must be connected to main power supply at time of firebox installation. -
Page 16: Replacement Parts
REpLACEMENT pARTS BUF Vent-Free Fireboxes Ref. Description qty. BUF400 BUF500 Canopy 26D4568 26D4706 611013 Screen Panel 26D0131 26D0187 BUF parts Screen Rod 26D0132 26D0133 Rear Refractory 61D0102 61D0107 Side Refractory 61D0101 61D0101 Bottom Refractory 61D0100 61D0106 Outside Air Kit AK-4... - Page 17 BUF Vent-Free Fireboxes 61D1013...
- Page 18 BUF Vent-Free Fireboxes 61D1013...
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Page 19: Warranty
Vermont Castings Group in the appliance are found to be defective in materials or workmanship, Vermont Castings Group will, at its option, replace or repair the defective components at no charge to the original owner. Vermont Castings Group will also pay for reasonable labor costs incurred in replacing or repairing such components for a period of two years from the date of installation. - Page 20 Vermont Castings Group 149 Cleveland Drive • Paris, Kentucky 40361 www.vermontcastingsgroup.com...