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LG P1BRENTW-A - page 1
BRENTWOOD Installation Instructions This installation manual will help you obtain a safe, efficient, dependable installation f or your fireplace and chimney system. Please read and understand these insta llation instructions before beginning your installation. CAUTION : Do not attempt to modify or alter the construc tion of the firep lace or its co ...
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LG P1BRENTW-A - page 2
ii TABLE OF CONTENTS Page 1. SAFETY RULES ................................................................................................. 1 2. CERTIFICATION LABEL ................................................................................ 2 3. THE FIREPLACE ..................................................................................... ...
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LG P1BRENTW-A - page 3
1 1. SAFETY RULES FOR OPERATING YOUR FIREPLACE MODEL BRENTWOOD • Use only a Lennox Hearth Products glass door , specifically designed for the model BRENTWOOD fireplace. • When cleaning the fireplace, the ashes should be placed in a metal container with a tight fitting lid. The closed contai ner of ashes should be placed on a non-combustible flo ...
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LG P1BRENTW-A - page 4
2 2. CERTIFICATION LABEL ...
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LG P1BRENTW-A - page 5
3 3. THE FIREPLACE 3.1 INTRODUCTION The BRENTWOOD fireplace is an energy efficient, heat circulating, close com bustion fireplace. You will receive a lifetime of comfort and enjoym ent from your firep lace provided it is installed, main tained and operated properly. • Please read these instructions and reta in this manual f or future reference. ? ...
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LG P1BRENTW-A - page 6
4 3.2 OPERATING THE BRENTWOOD 3.2.1 Fuel The BRENTWOOD is designed to work best when fuelled with seasoned cordwood. Hardwoods are preferred to soft woods since the energy content of wood is relative to its density. Hardwoods will result in a longer burning fire and less frequent refuelling. A moisture content of 15% to 20% (seasoned) is recommende ...
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LG P1BRENTW-A - page 7
5 3.2.4 Primary Air and Air Boost Controls There is no flue damper in the BRENTWOOD. As is common with air tight stoves, the combustion air control sets the flow of air entering the firebox. This allows for a m ore precise control of the fire. The combustion ai r control is located below the door on the left side. The main source of air (primary ai ...
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LG P1BRENTW-A - page 8
6 3.2.6 Medium Combustion This is the recommended mode of opera ting the BRENTWOOD and should be the one normally used since it will deposit the least amount of creosote on the glass and in the chimney. The combustion air control m ust be 3/ 4 closed and pushed forw ard to close the air boost. The precise setting will depend on many factors, includ ...
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LG P1BRENTW-A - page 9
7 3.2.9 Smoking – Causes and Troubleshooting To reduce the likelihood of smoking when openi ng the door, set the co mbustion air controls to the left before opening the door. Your fi replace has been designed and tested to provide smoke free operation. Occasionally, there ma y be a sm all amount of smoking upon lightin g the fire, until the chimn ...
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LG P1BRENTW-A - page 10
8 IMPORTANT NOTES A. Do not block the hot air vents to the fireplac e as this will cause the f ireplace to overheat. B. Never start a fire using gaso line, kerosene, charco al lighter fluid or any other combustible liquid. C. Do not burn coal. The sulphur in coal will corrode the firebox. D. Do not burn driftwood which has been in the ocean or salt ...
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LG P1BRENTW-A - page 11
9 3.3.3 Top Baffle Removal Prior to Cleaning The Chimney Before starting to clean your chimney, we re commend that you rem ove the top baffle to avoid creosote dust collection at the top of the baff le. Follow these steps to set the top baffle out of the way: 1. Remove the side refractory holder. They ar e located at the top of the refractory. 2. L ...
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LG P1BRENTW-A - page 12
10 3.3.7 Refractory Replacement The intense heat of the f ire will normally cau se hairline cracks in the refrac tory. These cracks can be minimized by proper cur ing as de scribed in "First Fires". They will not normally diminish the effectiveness of the re fractory. If large cracks develop, then the refractory should be replaced. To rep ...
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LG P1BRENTW-A - page 13
11 3.3.9 Door Adjustment The door may need to be adjusted to be completely airtight. The gaskets’ air-tightness can be adjusted using the adjustment screw located on the right side of the firepla ce façade. (An Allen key #1/8 – not supplied - will be necessary for this adjustm ent) Figure 4 3.3.10 Glass Care - Replacement The glass used for th ...
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LG P1BRENTW-A - page 14
12 3.4 FIREPLACE INSTALLATION 3.4.1 Locating The BRENTWOOD A. The best location to instal l your fireplace is determined by considering the location of windows, doors, and the traffic flow in the room where the fireplace is located, allowing space in front of the unit for the hearth extension and the mantel, and taking into consideration the locati ...
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LG P1BRENTW-A - page 15
13 3.4.3 Framing, Facing And Mantel The construction of the framing, facing, and mantel m ust be in accordan ce with the standards and the following illustra tions (figures 6 to 10): A. Frame the fireplace using 2" x 3" or heavier lumber. B. WARNING : Combustible materials cannot be used in the space directly above the fireplace, except f ...
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LG P1BRENTW-A - page 16
14 INSULATED CHASE CONSTRUCTION Figure 10 ...
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LG P1BRENTW-A - page 17
15 Facing 1. Com bustible material must be installed flus h with the firep lace. It may not project in front of and on the fireplace (i.e. the st eel façade of the fi replace) (figure 11). 2. Non-combustible m aterials such as brick, stone or ceramic tile m ay project in front of and onto the fireplace facing (figure 12). Mantel The mantel must be ...
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LG P1BRENTW-A - page 18
16 3.5 HOT AIR DUCTING INS TALLATION Different hot air ducting systems can be installed with the BRENTWOOD: - Gravity kit - Forced air kit - 3.5.1 Gravity Kit Two kits are available: 1. Single hot air outlet including : (see Fig.13) - 2 6" lengths 8" I.D. - 1 hot air outlet kit (box, louver and f rame) - 2 adaptors 2. Double hot air outle ...
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LG P1BRENTW-A - page 19
17 The single outlet system is desi gned to be installed eithe r flush with the front of the BRENTWOOD or extended out slightly from the face of the fireplace (if installing with a brick or thick facing for example). To exte nd the double outlet system , it will be necessary to purchase two adjustable lengths (7B26ZL2A). To extend the single outlet ...
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LG P1BRENTW-A - page 20
18 The duct system must be inst alled respecting the following: 1. Remove the plates closing up the 8" dia. ho les on top of the fireplace. Then, cut the insulation in order to obtain two 8" dia. openings. Fix th e adaptors on the fireplace openings by turning clockwis e (figures 13 and 14). 2. Maintain at least a 2" (50 mm) cleara n ...
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LG P1BRENTW-A - page 21
19 3.6 OUTSIDE AIR KIT (Optional) During operation, the fireplace requires fresh air fo r combustion and draws air out of the house . It may starve other fuel burning appliances such as gas or oil furnaces. As well, exhaust fans may compete for air, causing negati ve pressure in the house, resulting in smoke ente ring the house from the fireplace. ...
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LG P1BRENTW-A - page 22
20 3.6.2 AC CHIMNEY OUTSIDE AIR KIT (Optional) * The outside air ass embly for the AC (Air C ool) chimney is mandat ory in some areas. Check with your local building authorit y for the requir ement s in your area. All required parts for ou tside air ass embly are contained i n the following ki t: ACZIB 1) Install the outside ai r kit box and collar ...
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LG P1BRENTW-A - page 23
21 4. THE CHIMNEY 4.1 CHIMNEY INSTALLATION NOTES 1. Always install an interior chimney as it will provide better performance. In areas with continuous temperatures below - 18° C (0° F), the use of an exterior chimney increases the likelihood of operating problems such as low draught, high rate of creosoting, and poor start-up characteristics. Ext ...
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LG P1BRENTW-A - page 24
22 4.2 CHIMNEY INSTALLA TION INSTRUCTIONS 1. Cut and frame the holes in the ceiling, floor an d roof where the chimney will pass (see figure 22). Use a plumb bob to line up the center of the holes. The sizes are indicated in table 1 for the floor and ceiling holes and table 2 (page 24) for the roof holes. CHIMNEY MODEL SQUARE HOLE SIZE OPENING AC 1 ...
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LG P1BRENTW-A - page 25
23 AC CHIMNEY INSTALLATION (AIR COOLED GALVALUME CHIMNEY) Figure 24 ...
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LG P1BRENTW-A - page 26
24 Figure 25 Figure 26 Table 2 ROOF DOWN SLOPE HOLE SIZE SLOPE AC Roof Pitch 6" 0 * 15" (380 mm) 2/12 15 3/8" (390 mm) 4/12 16 1/8" (410 mm) 6/12 16 7/8" (430 mm) 8/12 18 1/4" (465 mm) 10/12 19 5/8" (500 mm) 12/12 21 3/8" (545 mm) * CROSS SLOPE HOLE SIZE AC CHIMNEY ...
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LG P1BRENTW-A - page 27
25 4.3 OFFSET CHIMNEY INSTALLATON The minimum chim ney height when using elbows is: Fireplace model BRENTWOOD Chim ne y mod el AC Vertical installation 12 ft. (3.66 m) Two (2) elbows 15 ft. (4.57 m) Four (4) elbows 17 ft. (5.18 m) Table 3 After reaching the location requiring the elbow, proceed as follows: AC Chimney 1. Install the first elbow. Tur ...
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LG P1BRENTW-A - page 28
26 Table 4 ...
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LG P1BRENTW-A - page 29
27 4.4 ANGLED WALL RADIATION SHIELD (ACRSM30, ACRSMI30) When traversing a com bustible wall with the ch imney at a 30º, an ang led firestop or wall radiation shield must be inst alled. Only one is required. In cold climate locations, we recommend that you use the insulated wall radiation shield since it will maintain the hom e’s thermal barrier. ...
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LG P1BRENTW-A - page 30
28 4.5 CHIMNEY SUPPORT INSTALLATION Universal Roof Support This support has two possible uses: 1. It may be used on a floor, ceiling or roof above an offset to support the chimney above the offset. 2. It may be used on a floor, ceiling or roof as a supplementary support Table 6 gives maximum heig ht of supported chimney. NOTE : For the AC chimney, ...
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LG P1BRENTW-A - page 31
29 Figure 29 ...
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LG P1BRENTW-A - page 32
30 5. PARTS AND COMPONENTS LIST (AC Chimney) Description Part No. Catalog No. Lengths 6" dia. 12" length AC 6L12 H0472 18" length AC 6L18 H0473 36" length AC 6L36 H0474 48" length AC 6L48 H0475 15º elbow AC 6E15 H0476 30º elbow AC 6E30 H0477 Rain cap AC 6CPR H0478 Spark arrester screen PE+ H0479 Supports Offset support XS ...
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LG P1BRENTW-A - page 33
31 6. OPTIONS Gravity kit : Part No.: Catalog No. Complete double ducting system including : 2 elbows 90º, 2 telescopic lengths, 2 grill supports and 2 black grills 7B30ZK-1 H0501 Complete single ducting system including : 2 x 6" lengths, 1 decorative black frame and 1 black louver 7B26ZKS-1 H0502 Complete single ducting system including : 2 ...
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LG P1BRENTW-A - page 34
32 7. APPENDIX SPECIFICATIONS Weight 385 lbs Height 36" Width 36" Depth 24 1/2" Chimney weight AC (6" dia.) 3.25 lb/ft. CLEARANCE TO COMBUSTIBLES The following clearances meet the minimum requirements for a safe installation Side wall: 17" (324 mm) measured from the fireplace side Ceiling: 6’ 8" (2032 mm) measured fr ...
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