LG P1BRENTW-A User's Manual
Contents
1. Figure 3 10 3 3 9 Door Adjustment x The door may need to be adjusted to be completely airtight The gaskets air tightness can be adjusted using the A S hs adjustment screw located on the right Ulf 85 side of the fireplace facade An Allen 4 E g ii key 1 8 not supplied will be necessary for this adjustment Figure 4 3 3 10 Glass Care Replacement The glass used for the BRENTWOOD is a high temperature ceramic glass 1400 F If the glass breaks it must be replaced with an identical ceramic glass Tempered glass or ordinary glass will not withstand the high temperatures of the BRENTWOOD Replacement glass should be purchased from a Lennox Hearth Products dealer see Replacement Parts page 34 Do not operate the unit with cracked or broken glass 3 3 11 Glass Care Cleaning The BRENTWOOD is designed to keep the glass clean under normal operating conditions If the BRENTWOOD is operated continuously with the combustion air controls closed the glass will tend to get dirty unless the fuel firebox and glass are maintained at hot temperatures see Refuelling For Best Performance To clean the glass there are a number of specially designed cleaners Your authorized Lennox Hearth Products dealer can recommend a suitable cleaner which is available in your area Regular household glass cleane2. C Do not expect chemical cleaners to keep your chimney clean The rain cap can be removed for inspection and or cleaning of the chimney 3 3 3 Top Baffle Removal Prior to Cleaning The Chimney Before starting to clean your chimney we recommend that you remove the top baffle to avoid creosote dust collection at the top of the baffle Follow these steps to set the top baffle out of the way 1 Remove the side refractory holder They are located at the top of the refractory 2 Lift the front baffle 3 Slide the back baffle under the front baffle You now have access to the chimney 3 3 4 Dealing With a Chimney Fire Regular chimney maintenance and inspection can prevent chimney fires If you have a chimney fire follow these steps 1 Close the fireplace door and the combustion air controls 2 Alert your family of the possible danger 3 Ifyou require assistance alert your fire department 4 If possible use a dry chemical fire extinguisher baking soda or sand to control the fire Do not use water as it may cause a dangerous steam explosion 5 Check outside to ensure that sparks and hot embers coming out of the chimney are not igniting the roof 6 Do not use the fireplace again until your chimney and fireplace have been inspected by a qualified chimney sweep or a Fire Department Inspector 3 3 5 Finish Door Casing Care Use a glass cleaner and a soft cloth to polish the casing Do not use abrasives such as steel w
3. At the attic level install an attic radiation shield from above figure 23 Place the first chimney length on the fireplace To lock it in place turn of a turn clockwise Continue installing chimney lengths making sure to lock each length in place Every time the chimney passes through a ceiling or a wall install the appropriate firestop When you reach the desired height install the roof support Refer to instructions included with the support Then put the roof flashing in place and seal the joint between the roof and the flashing with roofing pitch see figures 25 amp 26 For sloping roofs place the flashing under the upper shingles and on top of the lower shingles Nail the flashing to the roof using roofing nails Place the spacers and the storm collar over the flashing and tighten it with the bolt supplied Finally seal the joint between the storm collar and the chimney using silicone caulking Install the chimney cap Figure 23 22 AC CHIMNEY INSTALLATION AIR COOLED GALVALUME CHIMNEY Figure 24 23 AC CHIMNEY Figure 25 Figure 26 Table 2 sn m 0 15 380 mm 15 3 8 390 mm 16 1 8 410 mm 16 7 8 430 mm 18 1 4 465 mm 19 5 8 500 mm 21 3 8 545 mm CROSS SLOPE HOLE SIZE 24 4 3 OFFSET CHIMNEY INSTALLATON The minimum chimney height when using elbows is Fireplace model BRENTWOOD Chimney model AC Vertical installation 12 ft 3 66 m
4. UZT 4 adapter for fireplace connection supplied with the unit Make a 4 4 110 mm hole in the outside wall of the house at the chosen location From outside place the outside air register in the hole open side down and fasten the register to the wall with screws as shown see figure 18 Slip the pipe into the insulated sleeve Place the insulated pipe over the register tube and over the fireplace s outside air connector see figure 19 At each end carefully pull back the insulation and plastic cover exposing the flexible pipe Using the aluminium tape provided wrap the tape around the joint between the flexible pipe and the air inlets Carefully push the insulation and plastic cover back over the pipe Using aluminium tape fasten the plastic cover in place NOTE We recommend not to exceed 20 feet of 4 flexible pipe If you require a longer length we recommend that you use a 5 diameter flexible pipe for the complete run up to 30 feet and a 6 diameter pipe for a run of up to 40 feet Figure 18 Figure 19 19 3 6 2 AC CHIMNEY OUTSIDE AIR KIT Optional The outside air assembly for the AC Air Cool chimney is mandatory in some areas Check with your local building authority for the requirements in your area All required parts for outside air assembly are contained in the following kit ACZIB 1 Install the outside air kit box and collar on the top of the unit Install the flex 4 adaptor on the top of the outsi
5. higher than any roof or wall within 10 feet 3 m of it When installed with offsets the minimum chimney height is 15 ft Additional height will increase draught and will decrease the tendency to smoke F Poor chimney draft With no fire there should be sufficient draught to exhaust cigarette smoke introduced under the baffle Chimneys installed against an outside wall without protection may generate back draught problems which will cause start up problems To prevent this open a nearby window roll up a piece of paper and light it Then hold it in the upper part of the firebox to warm up the chimney Wait until the draught is sufficient then start the fire G Blower for central forced air kit operating Make sure that the blower is at the off position when you open the fireplace door for reloading 3 3 3 3 1 3 3 2 IMPORTANT NOTES A Do not block the hot air vents to the fireplace as this will cause the fireplace to overheat B Never start a fire using gasoline kerosene charcoal 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 water The salt will corrode the firebox and chimney E Do not burn wood in the area in front of the grate F Do not abuse the unit by burning paper or cardboard or construction material such as pressed wood plywood or lumber G Do not allow the wood to smoulder
6. 8 62 1 2 72 5 8 78 7 16 95 3 4 107 3 8 AC 703 mm 851 mm 1292 mm 1588 mm 1845 mm 1992 mm 2432 mm 2727 mm 6 a PE 9 3 8 2 3 8 21 3 8 27 3 8 Dan 32 5 8 35 5 8 44 5 8 50 5 8 30 238 mm 314 mm 543 mm 695 mm 829 mm 905 mm 1134 mm 1286 mm 0 LENGTH iin 25 3 4 31 46 1 2 oF Sin 66 71 1 4 86 7 8 97 1 4 654 mm 787 mm 1181 mm 1448 mm 1676 mm 1810 mm 2207 mm 2470 mm Table 4 26 4 4 ANGLED WALL RADIATION SHIELD ACRSM30 ACRSMI30 When traversing a combustible wall with the chimney at a 30 an angled firestop or wall radiation shield must be installed Only one is required In cold climate locations we recommend that you use the insulated wall radiation shield since it will maintain the home s thermal barrier RSM and RSMI30 RSMI45 CHIMNEY MODEL ANGLE HOLE SIZE AC 6 dia 380 mm x 972 mm 15 x 38 4 Table 5 Figure 28 27 4 5 CHIMNEY SUPPORT INSTALLATION 4 6 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 height of supported chimney NOTE For the AC chimney a support section may be used every 40 ft 12 m instead of the univ
7. Two 2 elbows 15 ft 4 57 m Four 4 elbows 17 ft 5 18 m Table 3 After reaching the location reguiring the elbow proceed as follows AC Chimney 1 Install the first elbow Turn it in the reguired direction To lock it in place turn 1 8 ofa turn Fasten the straps attached to the elbow to the surrounding frame using nails or drywall screws Install the necessary chimney lengths to achieve the required offset Lock the chimney lengths together If penetrating a wall use a wall radiation shield Use another elbow to turn the chimney vertically Lock it to the chimney Fasten the straps attached to the elbow to the surrounding framing using nails or drywall screws Use a plumb bob to line up the centre of the hole Cut a hole for the chimney in the ceiling Frame this hole as described previously From below install a firestop see figure 23 Continue with the regular installation Figure 27 25 N A A 5 PA TOTAL LENGTH U DEVIATION DEVIATION ONE LENGTH BETWEEN ELBOWS TWO LENGTHS BETWEEN ELBOWS CHIMNEY ELBOW amp EL 35 LENGHT is oe 12 18 36 48 aise oe 12 amp 48 18 amp 48 36 amp 48 48 amp 48 IA SEK 4 13 16 6 1 8 11 14 1 8 Gin 16 7 8 18 7 16 23 26 3 16 15 122 mm 156 mm 280 mm 359 mm 429 mm 468 mm 584 mm 665 mm ee Pn 27 11 16 33 1 2 50 7
8. or burn without flame since this will produce excessive creosote in the unit MAINTAINING YOUR BRENTWOOD Creosote When wood is burned slowly without a flame it produces tar and other organic vapors which combine with expelled moisture to form a black deposit called creosote which accumulates on the flue lining When ignited this creosote makes an extremely hot fire If the creosote accumulation is large a creosote fire in the chimney can damage the chimney and overheat the surrounding wood framing Creosote formation in a chimney can be minimized by making sure there is always visible flame burning avoid smouldering fires and by proper refuelling techniques Chimney Maintenance Regular chimney inspection and maintenance combined with proper operation will prevent chimney fires Keep your chimney clean Do not allow more than 1 16 creosote build up in your chimney The amount of creosote will depend on variables such as frequency of use and type of fire We recommend that you A Initially inspect the chimney system weekly From this you will learn how often it will be necessary to clean your chimney B Have your chimney cleaned by a qualified chimney sweep If you wish to clean it yourself we recommend using a stiff plastic or non metallic brush If a metal brush is used its size should be slightly smaller than the flue to avoid damaging the chimney Do not use a brush that will scratch the stainless steel interior of the chimney
9. should be placed on a non combustible floor or on the ground outside the house pending final disposal If the ashes are disposed of by burial in soil or otherwise locally dispersed they should be retained in the closed container until all cinders have thoroughly cooled Caution Never use gasoline kerosene charcoal lighter fluid or similar liquids to start or rekindle a fire in this fireplace Keep all such liquids well away from the fireplace at all times Caution Keep combustible materials at least 48 inches away from the front of the fireplace opening Caution Never leave children unattended when there is a fire burning in the fireplace WARNING THIS FIREPLACE HAS NOT BEEN TESTED WITH AN UNVENTED OR VENTED GAS LOG SET TO REDUCE RISK OF FIRE OR INJURY DO NOT INSTALL AN UNVENTED GAS LOG SET INTO THIS FIREPLACE CERTIFICATION LABEL 2 na et En NDILY 117 LSNI NdD ADSOROED EO ZI Il O16 8 9 S bE ZI v STIGIVA HINNIS0SMO DOAN JO HLTT HIO CNY 39M0HSINJOJ Gi Sa at ante si2Naoud Hiuval XNONNTI sO ANITA ONY SNOIN HS ATINA os 3 TO Thi SHI ANUS SA NEHM OTIT SIAN CO TALS LNOM J Raxr 15 7 NDAD am 15 7 AANKIHD IMT E 3 YY 420131 0001 l Pr d ones i ym my ma ammua Em 45 of Y40414 Nd SASS JA DY VIINI FHI IOF NINOI NON SSIMMOIH I Be TTEILYN NOISKILKI HLH NI ANINO NO Wd TINY LSIT SHINI NI NMOHS SW TTYL ane ae teroras noan MOMIN OLALI GOOTTI OL SONA TI MAINA IA TT LS AIONA HI
10. starve other fuel burning appliances such as gas or oil furnaces As well exhaust fans may compete for air causing negative pressure in the house resulting in smoke entering the house from the fireplace This situation is aggravated in modern airtight houses To overcome this problem we strongly recommend that you install an outside air assembly Check with local authorities having jurisdiction in your area it may be mandatory NOTE Should you decide not to install the outside air assembly proceed as follows Remove the bottom grill The air box is located on front left and is on a slant Unscrew the four screws holding the inside air box covering plate and remove it Outside Air Installation The outside air assembly may be installed according to the following requirements A Duct length should be kept to a minimum The maximum length of duct is 20 ft 6 1 m for a 4 in dia pipe See note below B The air intake register must not be installed more than 10 ft 3050 mm above the base of the fireplace C The fresh air must come from outside the house The air intake must not draw air from the attic from the basement or garage D The air intake should be installed where it is not likely to be blocked by snow or exposed to extreme wind and away from automobile exhaust fumes gas meters and other vents E The duct and register may be installed above or below floor level The following components are required Outside air kit
11. the weight of the fireplace system Weights are given in the appendix Next measure the area occupied by the fireplace which is normally 36 X 24 Note the floor construction and consult your local building code to determine if additional support is needed The BRENTWOOD may be installed directly on the floor or on a raised base for proper guidelines refer to Hearth Extension Requirements and a minimum of 6 8 measured from the base of the appliance to the ceiling is required 3 4 2 Hearth Extension Requirements The BRENTWOOD may be installed directly on a combustible floor however the combustible floor in front of the fireplace must be covered with a non combustible material tile marble stone etc Figure 5 12 3 4 3 Framing Facing And Mantel The construction of the framing facing and mantel must be in accordance with the standards and the following illustrations 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 for the studs above the facade that support the facing and mantel This area must remain empty for a height of 6 8 2032 mm measured from the base of the appliance C Frame the fireplace with vertical studs at the sides of the fireplace running from floor to ceiling see figure 8 If combustible facing is to be used position the studs back from the front edge of the firep
12. 7 Rain cap AC 6CPR H0478 Spark arrester screen PE H0479 Supports Offset support XSO H0480 Support section AC 6SL H0481 Roof support XST H0482 Roof brace XBS2 H0483 Wall band XBM H0484 Firestop Telescopic attic radiation shield ACRST H0498 Firestop AC BF H0485 Radiation shield AC RS H0486 Attic radiation shield AC RSA H0487 Insulated wall radiation shield 30 AC RSMI30 H0489 Outside air kit chimney ACZIB H0490 flex insulation outside register and coupling Flat roof flashing ACF H0494 Adjustable roof flashings 1 12 7 12 5 30 AC FA H0495 8 12 12 12 30 45 AC FB H0496 Storm collar AC FC H0500 30 OPTIONS Gravity kit Complete double ducting system including 2 elbows 90 2 telescopic lengths 2 grill supports and 2 black grills Complete single ducting system including 2 x 6 lengths 1 decorative black frame and 1 black louver Complete single ducting system including 2 x 6 lengths 1 decorative brass frame and 1 brass louver Black grill with support Brass grill for 7B30ZK 1 brass louver amp 1 decorative brass frame Elbow 90 8 dia Elbow 45 8 dia Telescopic length 8 dia Adjustable length 8 dia 2 5 Radiation shield Fireplace Panel for clean face option Rigid firescreen Heat activated on off pre wired fan kit Outside air kit 31 Part No 7B30ZK 1 7B26ZKS 1 7B26ZKSB 1 7B30ZO 7B30ZGB 7B26ZKSLB 7B26ZE90 7B26ZE45 7B26ZL
13. A 7B26ZL2A 7B26ZR BWCF BWZN UZY3 UZI Catalog No H0501 H0502 H0503 H0504 H0505 H0507 H0508 H0509 H0512 H0513 H0514 H0518 H0519 H0520 H0521 APPENDIX SPECIFICATIONS Weight Height Width Depth Chimney weight AC 6 dia 385 Ibs 36 36 24 1 2 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 from the base of the fireplace Fireplace enclosure Bottom 0 Side 0 Back 0 Top Do not fill the space above the fireplace with any material Except the wood framing See page 13 Figure 8 Chimney 2 50 mm Mantel 45 1143 mm measured from the base of the fireplace REPLACEMENT PARTS Baffle refractory 2 pieces Back refractory Right side refractory Left side refractory Bottom refractory Front refractory right side Front refractory left side Wood door handle Door handle brass cap Ceramic glass panel Secondary air tube Cast iron log retainer supports 2 Cast iron log retainer w LENNOX logo PR ISO2205 PR SR2203 PR SR2204D PR SR2204G PR SR2201 PR SR2202D PR SR2202G PR SR2325 POIGNE002 PR SR2222 1 PR SR2271 PR SR2324 PR SR2323 32
14. LENNOX HEARTH PRODUCTS BRENTWOOD Printed in Canada Installation Instructions This installation manual will help you obtain a safe efficient dependable installation for your fireplace and chimney system Please read and understand these installation instructions before beginning your installation CAUTION Do not attempt to modify or alter the construction of the fireplace or its components Any modification or alteration of construction may void the warranty listings and approvals of this system In that case Lennox Heart product will not be responsible for damages Install the fireplace only as described in these instructions PLEASE RETAIN THIS MANUAL FOR FUTURE REFERENCE WARNING The fireplace cannot be operated without a door Consult your dealer to select the correct door model of your choice Warnock Hersey NATIONAL FIREPLACE IM men Are Listed to standards ULC S610 UL 127 LENNOX HEARTH PRODUCTS 1110 West Taft Avenue Orange CA 92865 USA Rev 04 Jan 05 PIBRENTW A TABLE OF CONTENTS Page 2 CERTIFICATION LABEL ff 3 1 INTRODUCTION susi cousins dbs EE ie SKV ascii i 3 3 1 1 Parts Required 3 1 2 Additional Equipment optional 3 2 OPERATING THE BRENTWOOD i 4 3 2 1 Fuel 322 First Fires 3 2 3 Building a Fire 3 2 4 Primary Air and Air Boost Controls 3 2 5 Accelerated Combustion 3 2 6 Medium Combustion 3 2 7 Slow Combustion 3 2 8 Refuelling For Best Performa
15. OD Gravity kit Forced air kit Gravity Kit Two kits are available 1 Single hot air outlet including see Fig 13 2 6 lengths 8 LD hot air outlet kit box louver and frame 2 adaptors 2 Double hot air outlet including See Fig 14 2 telescopic lengths 8 I D 2 90 elbows 8 LD 2 hot air outlet kits grill and frames 2 adaptors See components list page 30 The only fan that can be used with the gravity kit is the UZY3 The gravity kit allows you to block the upper louver of the fireplace To do so follow the steps below a Remove the upper louver from the fireplace b Install the black panel BWCF making sure that the insulation strip is installed inside c The fireplace facade can be covered with non combustible material fig 17 N NIB I KIA Figure 13 Figure 14 The safety rules for hot air ducting gravity kit installations are the following Minimum height 68 1727 mm See figures 15 amp 16 The height of the louver must be measured from the base of the BRENTWOOD to the middle point of the louver Maximum length 16 The single outlet system is designed to be installed either 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 extend the double outlet system it will be necessary to purchase two adjustable lengths 7B26ZL2A To extend the single
16. OO La HHHTHHY MN KOS AVA NY TIFA NDVI 1104 STYDLLI0 HYLTYOININ LAN TYJOTUNOALIVIN 0 IOILJN OA AWO 118072 ATILA Gnam MAKUA 1 MU SHU AAAA LU UU ALLASU MU MAU WILA HUUU HLN LY JALUI JHL ALVUAAU JHL JO TSY JHL TAO lt AO Nd ASYA V1 Ad SNSSId NY saa XD Fein ECS TAI TATTI DVM TL TAG LON 00 e um FT cb mau TED SP ANOJ 119041820 NYIINTT HYLL SLEUIHHY SLL HAUL SYA AU MULLMALLY dd LUM LSU Reid iY MULLSIKAIMU MULLUY GST 400a HOLD LIV TITYA ON SALATIT KOY LIDOT O 3 SOLON LENT STLLIV NI TEL GIA WITIYISIT TAYLILOAJS HOILYSMILO WA 4004 OMIM MYNYUSUJJY ML ILL MULLYSJAU JAYS HUA Od T ad seme ees vau 019 bz k TIA KIS UAISY AIA wus TI DIE TOSI MN AV TALAY TI IN RENE teal alte hn tal be tac T Wud lvl YM TTAIISNAWO OL SDNVAVTD MOLIYTTYISHTA SWOLL ONLSII HOILYTTYLSII JHL HI LSTI TIS TLLSTT LAN YKK YU LAKU YL MUUN SUR UUM 4414 da LAUN I AHL HLM UUSI SLMAMUAMUN 16 TII ISNIMWOO XOF SININ DYSKI JUL Ua EL JAHA SSI SLINYSUAMLUN SL SOILI YLSI HOLLYTTYLSHI TELI 01914 SIT a MOLLY TT LSH11 SY AML AYUS Y UL LU 44 MY m LLUNYSL SO WL LANA ee A AU YL IVAO 0 TALH 000 LH 0012 S TLHSY TITOM CIE K EPPO EPO NOTISALSAL AA HUS MUU dilg dhid SERIF ORR MMR ETT MMe RAMS OS OM HL WU ASU m qoo muna Tans o1orI0n ETT Th OIS ITN OL TLLSAL TH 09 ASTI OYLLYY TY TELITTI 3 mi TOOAATNHHH ATHOOM TAAA sn NN oo AHL ULMI LAS UNL SYK Uk HY YLL LUM x VU AMUHL MU MH MU ASIN IU UL Ls UL SY duu Y SLU
17. SULLY LA SAAL SAL A ur MATAS ER a D OI Cu WPT od ge avd OPT LINA ja ANSOTONOH IIOTHHYJHHHH WAAC Aaa ay LSP VU BL Jl LY MUL SIAN 44 AVN LU LMYSLY SL ww 9 ANIHILA LUO 40 LOG LY TrTTYL ST A f Y HILYLSMI Lg LIUU LSU MUN AIAYL MU dA LAUN UU MUN m Y ddd LIINA AHOLA THLSTT H JPME y OTTAIS 5104 TILL HO RIOT TA 3 THE FIREPLACE 3 1 INTRODUCTION The BRENTWOOD fireplace is an energy efficient heat circulating close combustion fireplace You will receive a lifetime of comfort and enjoyment from your fireplace provided it is installed maintained and operated properly e Please read these instructions and retain this manual for future reference e Before beginning the fireplace installation consult the local authorities to obtain your building permit and check your local building codes Install the fireplace only as described in these instructions and using only Lennox Hearth Products components e The BRENTWOOD is not intended for use with a gas log Failure to follow these instructions will void the certification and the warranty of the fireplace and may result in an unsafe installation 3 1 1 Parts Required e Fireplace model BRENTWOOD e 6 diameter chimney model AC manufactured by Security Chimneys International only including Chimney lengths Elbows where necessary Associated components as per these installation instructions 3 1 2 Additional Equipment optional e Gravity venting system e Outside air ki
18. air entering the firebox This allows for a more precise control of the fire The combustion air control is located below the door on the left side The main source of air primary air entering the firebox can be diminished by moving the air combustion control from left to right The primary air is fully opened when the air control is completely moved to the left The air control device can also be used to add an extra boost of air especially during fire start up and reloading of the unit Pulling the air combustion control will induce an air boost at the base of the fire allowing an easier fire start up When the fire is well established the control can be pushed forward to shut down the air boost allowing for a longer burn time The combustion air control should be in the closed position primary air and air boost when the fireplace is not in use This will minimize air leakage up the chimney The combustion air control should be opened before opening the door to minimize the possibility of back draft coming into the room Figure 1 3 2 5 Accelerated Combustion The maximum heat output for the BRENTWOOD is achieved by burning with the door closed and the combustion air opened and pulled back By this method the BRENTWOOD can produce up to 55 000 BTU of heat per hour However it will be necessary to reload with wood every one or two hours This is the least efficient method of burning the BRENTWOOD Use caution when firing with the combusti
19. de air kit box 2 Install the outside air register as described in the preceding section 3 6 1 Connect the outside air register to the 4 flex adaptor with the flex pipe Respect the installation guidelines A to E from the preceding section 3 6 1 Figure 20 Chimney outside air kit installation 20 4 1 THE CHIMNEY CHIMNEY INSTALLATION NOTES 1 10 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 Exterior chimneys are also prone to down drafting and flow reversal Installations which are located on lower floors in the house such as in a basement in combination with outside chimney are especially prone to flow reversal If interior installation is impossible install an AC chimney enclosed in an insulated chase The Security fireplace model BRENTWOOD can only be install with Security Chimneys International Ltd 6 diameter model AC Air Cool chimney system A chimney venting a fireplace shall not vent any other appliance The minimum chimney height is 12 ft 3 7 m In altitude add 18 450 mm to the chimney for every 2000 feet 600 m above sea level All chimney installations must include at least one support The maximum length of chimney that can be sup
20. e first 5 or 6 fires should be small fires of short duration about 30 to 60 minutes This will help cure the refractory bricks The first fires may produce slight smoking due to drying of the paint and steel and any dust accumulated on the fireplace will burn off at this time It may set off a smoke alarm located in the same room For this reason the room should be well ventilated for the first few fires 3 2 3 Building a Fire To start a fire place several crumpled up balls of newspaper in the firebox Place small dry pieces of kindling on top of the paper criss crossing the kindling so that there are air spaces in between Keep the fuel far back enough so that air can get underneath Open the air controls fully and light the newspaper Once the newspaper and the kindling is well ignited close the door Once the kindling fire is well established cordwood can be added see Primary Air Combustion Control section for proper operation of the air controls The unit will burn best with 2 3 pieces of cordwood spaced 1 to 2 inches apart and allowing air to get under the fuel Criss crossing or arranging the fuel so that air can get underneath will help the fire to get started easily The unit should be operated with the air control fully open long enough to get the cordwood well ignited 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
21. ersal roof support ST For roof support installation refer to the instructions provided with the support Universal Offset Support This support is used to support the chimney above an offset When the chimney offset is used to traverse a wall this support may be used on the wall to support the chimney The maximum heights are given in Table 6 For offset support installation refer to the instructions provided with the support CHIMNEY MODEL MAXIMUM HEIGHT OF SUPPORTED CHIMNEY 0 sm oee AC 6 dia 40 ft 12 19 m 50 ft 15 20 m Table 6 CHIMNEY CHASE AND MULTIPLE TERMINATIONS For the purpose of this manual a chimney chase is considered a part of the chimney system rather than part of a building The termination must be placed a minimum of 18 460 mm above the chase For installations where more than one chimney is located in the same chase or within the same area we suggest that their terminations be separated by at least 16 410 mm horizontally and 18 460 mm vertically This separation is to prevent smoke migrating from one chimney to another see figure 28 28 410mm 16 1 Figure 29 29 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 15 elbow AC 6E15 H0476 30 elbow AC 6E30 H047
22. he unit Creosote may accumulate on the glass door This method of burning should be used only after operating the BRENTWOOD with the air control opened to produce a hot fire for about an hour or at medium pace for at least 3 hours Slow combustion can be used at night in order to reduce the heat output and to prolong the burn The loading time will be between 6 8 hours 3 2 8 Refuelling For Best Performance The BRENTWOOD fireplace will operate best if attention is given to operating the unit with the damper fully opened after refuelling in order to bring the firebox and the chimney system up to their optimum operating temperature Combustion efficiency is relative to firebox temperature A temperature of 500 C and up with a visible flame in the upper part of the firebox indicates a maximum efficiency To obtain this temperature the fireplace must be operated with the primary air and air boost controls fully opened during 10 to 20 minutes after reloading depending on the heat and on the moisture content of the wood Once you have reached the desired temperature the air boost can be closed and the primary air set to a medium setting You know you have reached the desired temperature when closing the primary air control you can see a flame at the top of the firebox The benefit of this technigue will be cleaner glass less creosoting greater efficiency and the most pleasing fire for your enjoyment If your fireplace is eguipped with a central fo
23. lace a space the thickness of the facing material so that the facing can be installed flush with the fireplace facing Frame headers between the vertical studs only as follows Place 2 x 3 or 2 x 4 headers only along the upper part of the front side and back faces Do not put wood or any combustible material within the area above the fireplace except on the front facing Place headers only as required to support the facing and mantel D WARNING The fireplace must not be in contact with any insulation or loose filling material Cover the insulation with gyproc panels around the fireplace Figure 8 Figure 9 13 INSULATED CHASE CONSTRUCTION Figure 10 14 Facing 1 Combustible material must be installed flush with the fireplace It may not project in front of and on the fireplace 1 e the steel facade of the fireplace figure 11 2 Non combustible materials such as brick stone or ceramic tile may project in front of and onto the fireplace facing figure 12 Mantel The mantel must be installed at least 45 1143 mm above the base of the fireplace figure 11 Figure 11 Figure 12 15 3 5 3 5 1 HOT AIR DUCTING INSTALLATION Different hot air ducting systems can be installed with the BRENTWO
24. nce 3 2 9 Smoking Causes And Troubleshooting 3 3 MAINTAINING YOUR AV77OO 8 3 3 1 Creosote 3 3 2 Chimney Maintenance 3 3 3 Top Baffle Removal Prior to Cleaning The Chimney 3 3 4 Dealing With a Chimney Fire 3 3 5 Finish Door Casing Care 3 3 6 Ashes 3 3 7 Refractory Installation 3 3 8 Door Installation 3 3 9 Door Adjustment 3 3 10 Glass Care Replacement 3 3 11 Glass Care Cleaning 3 3 12 Gasket Replacement 3 4 FIREPLACE INSTALLATION aan e e ennnen nananana nene e een ana enee 12 3 4 1 Locating The BRENTWOOD 3 4 2 Hearth Extension Requirements 3 4 33 Framing Facing And Mantel 3 5 HOT AIR DUCTING 7VS74774770 MY 16 3 5 1 Gravity Kit 3 6 OUTSIDE AIR 7 19 3 6 1 Outside Air Kit Installation 3 6 2 Chimney Outside Air Kit Installation 4 1 CHIMNEY INSTALLATION NOTES 4 2 CHIMNEY INSTALLATION INSTRUCTIONS ieee 22 4 3 OFFSET CHIMNEY INSTALLATION eri 25 4 4 ANGLED WALL RADIATION 5 27 4 5 CHIMNEY SUPPORTS 7VS74774770 Ve 28 4 6 MULTIPLE TERMINATIONS usiessa ANI SA VAASAN ASAN 28 5 PARTS AND COMPONENTS LIST ee 7 APPENDIX Specifications Clearances Replacement Parts ee uuu a 32 li SAFETY RULES FOR OPERATING YOUR FIREPLACE MODEL BRENTWOOD e Use only a Lennox Hearth Products glass door specifically designed for the model BRENTWOOD fireplace e When cleaning the fireplace the ashes should be placed in a metal container with a tight fitting lid The closed container of ashes
25. on air control wide open Only burn cordwood in this manner Small dry pieces of softwood and construction scraps will burn very intensely using this method and may damage the firebox 3 2 6 Medium Combustion 3 2 7 This is the recommended mode of operating 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 must be 3 4 closed and pushed forward to close the air boost The precise setting will depend on many factors including chimney length and the moisture content of the wood For instance a long chimney will necessitate closing the damper more To obtain the proper combustion close the damper completely then open it about 1 4 to 1 2 Three medium size pieces of wood should be burning on a bed of hot coals The heat output will be approximately 30 000 BTU per hour and the loading time will be about every 3 4 hours Softwoods may be burned using this method but the time will be substantially reduced Slow Combustion When the air combustion control is completely closed the fireplace is in a slow combustion phase If the hearth is hot enough slow combustion will not stop the fire but there will be a noticeable change in the flame pattern The flames will be slow and may appear dirty if the wood is too wet moisture content of 20 and more Do not allow the wood to burn without flame since this will produce excessive creosote in t
26. ool steel pads or an abrasive polish for they may scratch the casing s finish 3 3 6 Ashes Remove ashes only when the fire is out and the ashes are cold 24 to 48 hours after the fire is out 3 3 7 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 in First Fires They will not normally diminish the effectiveness of the refractory If large cracks develop then the refractory should be replaced To replace the refractory bricks follow these steps Remove the front refractories lt gt Remove the bottom refractory a Remove the left side refractory Remove the right side refractory Remove the back refractory Remove the front ceramic baffle Remove the rear ceramic baffle AJA A n YY D To install the new refractories follow les RR y the above steps in reverse Figure 2 3 3 8 Door Installation The door must be installed only when the installation of the BRENTWOOD is completed All you have to do is fit the male part of the hinge already on the door to the female part which is on the fireplace A To remove the door simply pull the door up from the hinges The door adjustment has been set at the factory If the fit is still not perfect you can adjust the door using the hinge screws
27. outlet it is necessary to install the insulation strip provided with the system A maximum of 3 2 89 mm of extension is provided by the single outlet system see figure 16 When installing the double outlet system the hot air outlets can be installed in the same room as the fireplace or one or both of the outlets can be installed in adjacent or upper rooms Installing the ducts at different elevations will tend to exhaust more heat out of the higher outlet figure 15 Figure 15 Figure 16 Figure 17 17 The duct system must be installed respecting the following 1 10 11 12 Remove the plates closing up the 8 dia holes on top of the fireplace Then cut the insulation in order to obtain two 8 dia openings Fix the adaptors on the fireplace openings by turning clockwise figures 13 and 14 Maintain at least a 2 50 mm clearance between the ducts and any combustible material the required hole size is 13 x 13 330 mm x 330 mm Exception 1 For the grills the framing can be 10 34 x 10 4 275 mm x 275 mm to provide the clearance as required by the integral spacers on the double outlet duct system Exception 2 For the single outlet the framing must be 8 1 4 x 32 210 mm x 820 mm or as required by the integrated spacers At no time should any combustible facing material such as panelling cover over any part of the grill face The maximum number of elbow
28. ported by the fireplace is 26 ft 8 m The chimney must extend at least 3 ft 915 mm above its point of contact with the roof and at least 2 ft 610 mm higher than any wall roof or building within 10 ft 3m of it Figure 21 If the chimney extends higher than 5 ft 1500 mm above its point of contact with the roof it must be secured using a roof brace i l i A rain cap must be installed on top of the chimney Failure to install a rain cap may cause corrosion problems H 0 i Cut and frame square holes in all floors ceilings and roof that the chimney will go through to provide a 2 50 mm clearance between the chimney and any combustible materials Do not fill this 2 space with insulation or any other combustible material Portions of the chimney which may extend through accessible spaces must be enclosed to avoid contact with combustible materials or damage the Fi 21 chimney ER 21 4 2 CHIMNEY INSTALLATION INSTRUCTIONS 1 Cut and frame the holes in the ceiling floor and 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 for the floor and ceiling holes and table 2 page 24 for the roof holes TN SOUARE HOLE SIZE Sn MODEL OPENING wE 15 in SSS Table 1 lt Figure 22 From below install a firestop in each ceiling floor separation through which the chimney will pass
29. rced air system make sure the central blower is turned off during reloading to avoid smoking problems 3 2 9 Smoking Causes and Troubleshooting To reduce the likelihood of smoking when opening the door set the combustion air controls to the left before opening the door Your fireplace has been designed and tested to provide smoke free operation Occasionally there may be a small amount of smoking upon lighting the fire until the chimney heats up but this should not continue If the fireplace continues to smoke it is probably for one of the following reasons A Negative pressure in the house As the fire burns air goes up the chimney This air must be replaced through leakage into the house or through the outside air duct When operating the BRENTWOOD open a nearby window temporarily to check if there is adequate air supply replacement B Fans operating e g range hood These fans draw air out of the house and may actually cause a negative pressure in the house Turn off all fans and open a nearby window to determine if this is the cause of the problem C Wet wood Wet or tarred wood will smoulder and smoke instead of burn properly D Dirty or blocked chimney Check to make sure the chimney is clear and clean E Chimney not long enough The minimum chimney height is 12 ft not including the fireplace height The chimney must extend at least 3 feet 915 mm above its point of contact with the roof and at least 2 feet 610 mm
30. rs will not clean creosote Do not use abrasives such as steel pads steel wool or oven cleaner as they will scratch the glass 3 3 12 Gasket Replacement Remove the door from the unit see page 10 and lay it on a clean unabrasive surface To replace the gasket first remove all of the old gasket and gasket cement Make sure that the surface is totally clean before applying new cement a high temperature silicone caulking rated at 500 F 260 C is suitable or adhesion problems may result Apply gasket cement to the gasket channel and install the new gasket This replacement part is available from your Lennox Hearth Products dealer in the following dimensions Gasket Length Dimensions Around glass 69 5 16 dia On door frame 73 5 8 dia 11 3 4 FIREPLACE INSTALLATION 3 4 1 Locating The BRENTWOOD A The best location to install 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 location of the hot air ducts optional outside air kit and chimney If possible you should choose a location where the chimney will pass through the house without cutting floor or roof joists see fireplace dimensions page 13 Usually no additional floor support is needed for the fireplace The adequacy of the floor can be checked by first estimating
31. s in a run of duct is two Maintain at least 6 2 160 mm clearance from the outlet grill framing to a combustible ceiling side wall or mantel When traversing a combustible wall or floor a firestop must be installed at the wall or floor penetration The hole size must be 13 X 13 330 mm x 330 mm Do not connect the hot air ducts to a central heating system Malfunction of the heating system s fan will cause the fireplace to overheat A furnace duct is only single wall and not double wall as is required for the BRENTWOOD hot air exhaust For this type of installation refer to Central Forced Air Kit on the next page Use only Lennox Hearth Products grills and components as described in this manual Other grills or registers for example may be too restrictive and may overheat the fireplace or ceiling Do not use insulated flexible ducts as they will overheat Do not use tees or any other components than the ones specifically listed here All ducts must extend upwards or horizontally Never route the ducting downwards The hot air outlet grills must be installed with the louvers pointing downwards in order to prevent overheating adjacent ceilings Always install the two outlet grills when using the double hot air outlet kit and blocking the upper louver of the fireplace 18 3 6 3 6 1 OUTSIDE AIR KIT Optional During operation the fireplace requires fresh air for combustion and draws air out of the house It may
32. t e AC chimney outside air kit e Panel for clean face option only with gravity venting system e Rigid firescreen e Fireplace fan kit 32 OPERATING THE BRENTWOOD 3 2 1 Fuel The BRENTWOOD is designed to work best when fuelled with seasoned cordwood Hardwoods are preferred to softwoods 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 recommended Wood that has been cut and split and let to dry under a cover for a period of one year will usually meet that criteria Excessively wet wood will be difficult to burn and will result in lower efficiency increased creosoting and deposits on the glass and in the chimney Excessively dry wood will burn well but will also have higher emissions and shorter burning time Do not burn scrap or garbage treated wood or wood such as driftwood from the ocean which has been exposed to salt or other chemicals Salt or chemicals can corrode the firebox and chimney Do not burn large amounts of paper cardboard Christmas tree branches or building construction materials Intense firing with these materials may overheat the fireplace causing damage to the unit a fire or even possibly igniting a chimney fire if the chimney is creosoted 3 2 2 First Fires Before using the fireplace make sure to remove the plastic wrapping on the door Remove all remaining glue with mild soap Th
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