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No one builds a better fire
Heat-N-Glo, a Division of Hearth Technologies Inc.
20802 Kensington Blvd.
Lakeville, MN 55044
BW36 BW36C
WOODBURNING FIREPLACE
INSTALLATION & OPERATING
INSTRUCTIONS
FOR RESIDENTIAL USE
Model BW36 shown. 558-900-D-4/00
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BW36 SERIES WOODBURNING FIREPLACE No one builds a better fire PLEASE RETAIN THIS MANUAL FOR FUTURE REFERENCE. Table of Contents A. Listings and Code Approvals..........................................................................................................................3 B. Description of the Fireplace System...............................................................................................................3 C. Fireplace System Components ................................
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BW36 SERIES WOODBURNING FIREPLACE No one builds a better fire A. LISTINGS AND CODE APPROVALS The BW36 Series fireplace system has been tested Check with your local Building Code agency prior to and listed in accordance with the UL127 Standards, installing this fireplace to ensure compliance with local and has been listed by Underwriters Laboratories Inc. Codes, including the need for permits and follow-up for installation and operation in the United States as inspections. If any assistance is
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BW36 SERIES WOODBURNING FIREPLACE No one builds a better fire C. FIREPLACE SYSTEM COMPONENTS The table below, together with the following pictures, show only those components which may be safely used with this fireplace. HTI Catalog # Description BW36* Radiant Fireplace, includes integral grate and hearth protection strips BW36C* Heat Circulating Fireplace, includes integral grate and hearth protection strips HX3 Hearth Extension DM1036 Glass Doors - Original Series, Black DM1036A Glass Doors
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BW36 SERIES WOODBURNING FIREPLACE No one builds a better fire 7 21 /8" 3 18 /4" 5 33 /8" 7 21" 32 /8" 1 1 11 /2" 7 /4" " 8 5 /8" 3 36" 6" 3 /4" " 5 1 38 /8" 1 7 /4" BW36C 7 10 /8" 5 33 /8" 7 21" 32 /8" 36" 6" 5 38 /8" BW36 HEARTH EXTENSIONS GLASS DOORS STRAIGHT ATTIC INSULATION SHIELD 16" 52" 3 19 /4" 24" HX3 BI-FOLD DOORS 1 35 /2" AS8 DM1036 INSULATED DUCT INTEGRAL GRATES 3 4" 9 /8" 42" ID4 5 17 /8" UNINSULATED DUCT OUTSIDE AIR KIT GR16 4" 42" UD4 4" AK22 4-00 5 30491D
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BW36 SERIES WOODBURNING FIREPLACE No one builds a better fire CHIMNEY SECTIONS CHIMNEY STABILIZER OFFSETS/RETURNS A 8" A 1 8" 10 /2" 3 20 /4" 21" HTI CAT.# A B 1 10 /2" 3 SL306 6" 4 /4" 6" 1 3 SL312 12" 10 /4" 10 /2" 8" 3 SL318 18" 16 /4" 3 HTI CAT.# A SL324 24" 22 /4" SL3 3 SL336 36" 34 /4" SL315 15° 3 SL348 48" 46 /4" SL330 30° A= Actual length B= Effective length (length of chimney part after it has been snapped to another) FIRESTOP SPACERS ROOF FLASHING 12" A 5 24 /8" 1 B 14 /2" 1 27 /4" Fla
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BW36 SERIES WOODBURNING FIREPLACE No one builds a better fire CHIMNEY TERMINAL CAPS & VENT SECTIONS 7 16 /8" 7 16 /8" 3 15 /4" 1 29 /4" TR344 ROUND TERMINAL CAP WITH STORM COLLAR TR342 ROUND TERMINAL CAP 1 13 /4" 3 14 /4" 1 1 23 /2" 16 /2" 1 22 /4" 23" 1 (10 /2" Outer) (8" Flue) 3 17 /4" ST375 SQUARE TERMINAL CAP TS345/TS345P SQUARE TERMINAL CAP 72" 36" 7 10 /8" 2" CT35 CHASE TOP 4-00 7 30491D
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BW36 SERIES WOODBURNING FIREPLACE No one builds a better fire D. PRE-INSTALLATION PREPARATION 1. FIREPLACE LOCATIONS AND SPACE REQUIREMENTS. Several options are available to you when choosing a location for your fireplace. This fireplace may be used as a room divider, installed along a wall, across a corner or use an exterior chase. See Figure 1. In an exterior chase or As a room divider. projecting into a garage. Along a wall. Across a corner. Figure 1 Fireplace Locations Figures 2 and 3 sh
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BW36 SERIES WOODBURNING FIREPLACE No one builds a better fire WARNING! TO PREVENT CONTACT WITH SAGGING OR LOOSE INSULATION, THE FIREPLACE MUST NOT BE INSTALLED AGAINST VAPOR BARRIERS OR EXPOSED INSULA- TION. LOCALIZED OVERHEATING COULD OCCUR AND A FIRE COULD RESULT. 2. FRAMING THE FIREPLACE. Figure 4 shows a typical framing (using 2 x 4 lumber) perpendicular to the face of the fireplace and may of the fireplace, assuming combustible materials are have point contact with the side of the firepla
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BW36 SERIES WOODBURNING FIREPLACE No one builds a better fire 3. HEARTH EXTENSIONS. A hearth extension must be installed with all fire- A hearth extension of this construction may be cov- places. It is to protect the combustible floor in front of ered with any non-combustible decorative material the fireplace from both radiant heat and sparks. and may have a maximum thickness of 6" for the BW36 and 3” for the BW36C. Seal gaps between the The construction of and materials used for a factory- h
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BW36 SERIES WOODBURNING FIREPLACE No one builds a better fire 4. SIDEWALLS/SURROUNDS. Adjacent combustible side walls must be located a minimum of 12" from the fireplace opening. See Figure 7. If you are using a decorative surround constructed of combustible material, it may be located within the shaded area defined in Figure 7. Short stub walls are also acceptable if they are contained within the shaded area. BRICK 4" FRONT FLUSH FRONT 12" 3 A 14 /8" 3 9 /4" 50° B 39° 12" MIN. 12" 12" CAT.
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BW36 SERIES WOODBURNING FIREPLACE No one builds a better fire c. The “B” dimensions that coincide with the “A” dim- e. Whenever the chimney penetrates a floor/ceiling, ensions represent the required vertical clearance a firestop spacer must be installed. that is needed to complete the offset and return. f. The effective height of the firebox assembly 5 d. Read across the chart and find the number of is 33 ⁄8". chimney sections required and the model num- 1 Example: Your “A” dimension from Fig
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BW36 SERIES WOODBURNING FIREPLACE No one builds a better fire IF 10 FEET OR 12" LESS 12" MIN. THEN TOP OF 5 33 /8" FIREPLACE OPENING Figure 8a - Fireplace (Side View) MUST BE AT LEAST 2 FEET 2. CHIMNEY HEIGHT REQUIREMENTS. (Above the roof line) BUT Major building codes specify a minimum chimney height above the roof top. These specifications are summarized in what is known as the “Ten Foot Rule”. This rule states: If the horizontal distance from the side of the chimney to the peak of the roo
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BW36 SERIES WOODBURNING FIREPLACE No one builds a better fire F. STEP-BY-STEP INSTALLATION OF THE FIREPLACE SYSTEM WARNING! BEFORE STARTING, DO THE FOLLOWING: 1. WEAR GLOVES AND SAFETY GLASSES FOR PROTECTION. 2. KEEP HAND TOOLS IN GOOD CONDITION. SHARPEN CUTTING EDGES AND MAKE SURE TOOL HANDLES ARE SECURE. 3. ALWAYS MAINTAIN THE MINIMUM AIR SPACE REQUIRED TO THE ENCLOSURE TO PREVENT FIRE. STEP 1 - Positioning the Fireplace. This fireplace may be placed on either a combustible or non-combustibl
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BW36 SERIES WOODBURNING FIREPLACE No one builds a better fire STEP 4 - Assembling Chimney Sections. Attach either a straight chimney section or an offset to CAUTION: the top of the fireplace depending on your installation INNER FLUE AND OUTER LINER requirement. When using offsets and returns, we highly recommend securing in place on the top of the fireplace SECTIONS CANNOT BE DISASSEM- with screws to permanently attach them to the top of the BLED ONCE LOCKED TOGETHER. fireplace. See Figure 11.
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BW36 SERIES WOODBURNING FIREPLACE No one builds a better fire 1 14 /2" AS8 ATTIC WARNING! INSULATION SHIELD INSULATION WHEN CHIMNEY SECTIONS EXCEED- FS338 24" FIRESTOP ING SIX FEET IN LENGTH ARE SPACER INSTALLED BETWEEN AN OFFSET/ RETURN, STRUCTURAL SUPPORT MUST BE PROVIDED TO REDUCE OFF-CENTER LOADING AND PRE- CHIMNEY VENT CHIMNEY SECTIONS FROM 1 10 /2" SEPARATING AT THE CHIMNEY JOINTS. Figure 14 Installing an AS8 STEP 10 - Marking the Exit Point of the Roof. STEP 8 - Double-checking the Chimne
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BW36 SERIES WOODBURNING FIREPLACE No one builds a better fire STEP 15 - Completion of the Fireplace Enclosure. STEP 12 - Assembling the Chimney Sections. Continue to add chimney sections through the roof Complete the fireplace enclosure, allowing space for out- opening, maintaining at least a 2" air space. side air ducts and gas piping if desired. Electrical wiring should not come in contact with the unit. A minimum STEP 13 - Installing Roof Flashing (optional). clearance of 1" must be maintai
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BW36 SERIES WOODBURNING FIREPLACE No one builds a better fire 1-1/2" clearance to combustibles Figure 18 Gas Knockout Location STEP 18 - Installing the Firescreen. Figure 19 Positioning the Hearth Extension Attach the firescreen to the fireplace side, utilizing the [2] hairpin clips in the columns. Use pliers to insert the clip through the last strand of screen wire and into the hole at the midpoint of the fireplace side. G. CONSTRUCTING A CHASE A chase is a vertical box-like enclosu
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BW36 SERIES WOODBURNING FIREPLACE No one builds a better fire 1. Materials for the Chase. WARNING! The chase is constructed using framing mate- DETAIL INSTRUCTIONS FOR INSTALLA- rials much the same as the walls in your TION OF THE CHASE TOP, STORM COL- home. A variety of materials may be used LAR AND TERMINAL CAP ARE PACKAGED including brick, stone, veneer brick, or stan- dard siding materials. WITH THESE PARTS. TO AVOID DANGER OF FIRE, ALL INSTRUCTIONS MUST BE In constructing the chase, seve
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BW36 SERIES WOODBURNING FIREPLACE No one builds a better fire It is extremely important that the fire be super- vised whenever the fireplace is in use. It is also TR342 recommended that an annual inspection be per- TERMINAL CAP formed on the fireplace system to determine if the flue system needs to be cleaned, or as in the case of any appliance, if minor repairs are CHASE TOP required to maintain the system in top operating 18" condition. MAX. DISTANCE INTENDED USAGE. This factory-built fire-
