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INSTALLATION AND
OPERATION INSTRUCTIONS
BRENTWOOD™
EPA Wood-Burning Fireplaces
TM
P/N 850,039M REV. G 11/2008
MODEL
BRENTWOOD SP
This installation manual will enable you to obtain a safe, efficient and
dependable installation of your fireplace system. Please read and
understand these instructions before beginning your installation.
Do not alter or modify the fireplace or its components under any circum-
stances. Any modification or alteration of the fireplace system, including
but not l
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IMPORTANT! GENERAL SAFETY WARNING WARNING PRECAUTIONS. READ AND UNDERSTAND THESE SAFETY Use care when selecting window Always ensure that the air inlet to RULES BEFORE YOUR FIRST FIRE. treatments for windows located the fireplace is free from debris near the fireplace. Avoid using and any other obstructions that combustible flowing window can block the entrance of air. WARNING treatments such as curtains on nearby windows that are of suf- THE FIREPLACE MUST BE OPER- fic
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OPERATING THE BRENTWOOD FIRE- CONGRATULATIONS! PLACE In selecting this Lennox Hearth Products wood-burning appliance you have chosen one of the finest fireplaces available. The Brentwood™ fireplace is a clean burning EPA Fuel certified fireplace that is designed to provide you dependable service as well as warmth USE SOLID NATURAL WOOD FUEL ONLY. The and enjoyment for many years to come. Brentwood fireplace is designed to work best when fueled with dry seasoned natural wood Please carefu
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Building a Fire Creosote may accumulate on the glass door. Push to Close (starting and maintaining a fire) This method of burning should be used only Air Boost after operating the Brentwood fireplace with To start a fire, place several crumpled up balls of the air control opened to produce a hot fire for newspaper in the firebox. Place small dry pieces Pull to about an hour or at medium pace for at least Open of kindling on top of the paper, criss-crossing three (3) hours. Slow combust
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B. Blowers operating (e.g.: range hood) As a result, creosote residue accumulates on the These blowers draw air out of the house and flue lining. When ignited this creosote makes may actually cause a negative pressure in and extremely hot fire. the house. Turn off all blowers and open a The chimney shall be inspected at least twice nearby window to determine if this is the a year during the heating season to determine cause of the problem. when a creosote buildup has occurred. C. Wet w
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REFRACTORY REPLACEMENT The intense heat of the fire will normally cause hairline cracks in the refractory. These cracks can be minimized by proper curing as described 7 in “First Fires”. They will not normally dimin- 6 ish the effectiveness of the refractory. If large cracks develop, then the refractory should be replaced. To replace the refractory bricks, fol- low these steps: 5 1. Remove the front refractories 2. Remove the bottom refractory 4 3. Remove the left side refractory 4. Rem
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Gasket Replacement If possible, you should choose a location GLASS CARE Remove the door from the unit (see Page 6) where the chimney will pass through the Glass Replacement and lay it on a clean unabrasive surface. To house without cutting floor or roof joists The glass used for the Brentwood™ fireplace replace the gasket, first remove all of the old (see fireplace dimensions Page 9). is a high temperature ceramic glass (1,400° gasket and gasket cement. Make sure that the B. Usually, no ad
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Framing, Facing And Mantel WARNING: THE HEARTH EXTEN- The construction of the framing, facing, and Fireplace SION IS TO BE INSTALLED ONLY mantel must be in accordance with the stan- AS ILLUSTRATED. dards and the following illustrations (Figures The crack between the fireplace 7a, 7b and 8): and the hearth extension must be Safety Metal Strip A. Frame the fireplace using 2” x 3” or heavier sealed with a non-combustible lumber. Hearth Extension material such as sand-cement B. WARNING: Comb
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Back Wall of Chase/Enclosure Corner Installation Combustion OUTSIDE CHASE Including Finising Materials if any Air Kit 19-3/32” C L* D J F G H K A 20-1/2” Rough Framing Face (Unfinished Shown) FRAMING DIMENSIONS E * Zero Clearance From Back Spacer to Wall Fireplace Opening Width A 36-3/8” 924 mm Combustible materials can NOT be used in the space directly above the fireplace. Do 2” x 3’ B 37” 940 mm not fill the space above the fireplace with any Min. material (Except the wood fra
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Insulate Joists Same As Ceiling Insulated Chase Construction Storm Collar Roof Support Flashing Draft Stops Attic Radiation Shield Floor Firestop Ceiling Wall CTDT Note: Floor and wall below the attic must be Termination insulated using the same insulation. • Must have the same firestopping Note: Non- resistance as adjacent wall. Combustible Chase • Must have the same insulation as Flashing adjacent ceiling. Must Be Used To • Follow local rules regarding framing Cover Firestop construction.
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For safe installation, the gravity kit must meet HOT AIR DUCTING INSTALLATION the following requirements: Frame Grill The Brentwood™ fireplace is approved for use Minimum height* 68” (1,727 mm) with a Gravity Kit. Maximum length See Figures 13 and 14 Gravity Kit * The height of the louver must be measured The gravity kit is designed for double hot air out- from the base of the Brentwood fireplace to the WARNING: Both pipes of lets and includes: (See Figures 12 and 13) middle point of the
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Outlet Grill WARNING: The outlet grills should not be installed fac- ing upward through a floor. Danger of burns can result if grills in floor are stepped on. 10’ (3.1m) Max. 13” x 13” Outlet Grill (330mm x 330mm) 10’ (3.1m) Max. Maintain at least 6-1/2” (160 mm) clearance from the outlet grill framing to a combustible ceiling, side wall or mantel. Figure 13 Rain Cap Collar Flashing Roof Support Attic Radiation Shield Radiation Shield (Firestop) 6-1/2” Min. (to ceiling) 68” Min. (17
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The duct system must be installed respecting OUTSIDE AIR KIT the following: During operation, the fireplace requires fresh air for combustion and draws air out of the house. It may starve other fuel burning appliances such as gas or oil furnaces. As well, exhaust blow- 1. Remove the plates closing up the 8” dia. holes ers may compete for air, causing negative pressure in the house, resulting in smoke entering the on top of the fireplace. Then, cut the insula- house from the fireplace. Thi
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6. The chimney must extend at least three (3) feet (915 mm) above its OUTSIDE AIR CONNECTION TO THE FIREPLACE point of contact with the roof and at least two (2) feet (610 mm) higher than any wall, roof or building within ten (10) feet (3m) of it (Figure Fireplace 17). Connection Aluminum Tape 7. If the chimney extends higher than five (5) feet (1,500 mm) above Fireplace Plastic its point of contact with the roof, it must be secured using a roof Cover brace. 8. A rain cap must be installed
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CHIMNEY INSTALLATION INSTRUC- Attic Radiation Shield TIONS Attic Radiation ASHT / S2100 Shield HT6103+ / HT6000+ 1. Cut and frame the holes in the ceiling, floor Solid Packed Pipe Flashing and roof where the chimney will pass (see Figure 18). Use a plumb-bob to line up the center of the holes. The sizes are indicated in Table 2 for the floor and ceiling holes and Table 3 (Page 13) for the roof holes. CHIMNEY MODEL SqUARE HOLE Roof SIZE OPENING Mobile / Manufactured Home with Flat Roof A
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After reaching the location requiring the AC elbow, proceed as follows: Air Cooled Chimney Chimney ASHT / HT6103+ / S-2100+ / HT6000+ Chim- Collar neys Spacer (built into flashing 1. Install the first elbow; turn it in the required direction. Fasten it to the chimney with the three (3) 1/2” (12 mm) metal screws provided with the elbow. 2. Install the necessary chimney lengths to achieve the required offset. Lock the chimney Flashing lengths together: it is recommended to use three (3)
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Offset Dimensions B Total Height A Horizontal Offset Chimney Elbow Offset & One Length Between Elbows Two Lengths Between Elbows 6” Height 8” 12” 18” 24” 36” 48” 8” & 48” 12” & 48” 18” & 48” 24” & 48” 36” & 48” 48” & 48” 3-5/16” 4-5/16” 5-7/8” 7-7/16” 10-1/2” 13-5/8” 15-3/8” 16-7/16” 18” 19-1/2” 22-5/8” 25-3/4” 15º A (84mm) (110mm) (149mm) (189mm) (267mm) (346mm) (391mm) (418mm) (457mm) (495mm) (575mm) (654mm) 15-11/16” 19-9/16” 25-3/8” 31-3/16” 42-3/4” 54-3/8” 60-15/16” 64-13/16” 70-9/16” 76-3
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ANGLED WALL RADIATION SHIELD (RSM+ and RSMI30) When traversing a combustible wall with the chimney at a 30º or 45º angle, an angled firestop or wall radiation shield must be installed. Only one is required. Support ACRS Note: 45º angle for Canada only (RSMI45) Straps In cold climate locations (climates where temperatures will fall below 32° F / 0° C), we recommend that you use the insulated wall radiation shield Straps since it will maintain the home’s thermal barrier. RSM+ and RSMI30 Chi
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CHIMNEY SUPPORT INSTALLATION Universal Roof Support 18” (460 mm) This support has three possible uses: 18” (460 mm) 1. For ASHT / HT6103+ and S-2100+ / HT6000+, it must be used on a roof to support the chimney. 2. It may be used on a floor, ceiling or roof above an offset to support the chimney above the offset. 3. It may be used on a floor, ceiling or roof as a supplementary sup- 18” (460 mm) 16” (410 mm) 16” (410 mm) port. Table 6 gives maximum height of supported chimney. NOTE: For the A
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Follow these steps: INSTALLATION INSTRUCTIONS FOR MASONRY APPLICATION 1- Position the fireplace in its location. Temporarily install the ASHT WARNING: Before starting the installation, the masonry chimney elbow on the top of the fireplace and, using a level, mark with an oval must be inspected by a qualified sweep. the location where the flue liner will enter the masonry chimney. 2- In the middle of the oval, drill a hole in the masonry chimney at The following requirements must be respect
