Instruction/ maintenance manual of the product Ladera-BK Lennox Hearth Products
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EP A Wood-Burning Fireplace P/ N 50 602 3- 03 RE V . A 1 1/ 200 8 Ladera-BK Ladera-BN MODELS Ladera™ INST ALLA TION AND OPERA TION INSTRUCTIONS SA VE THESE INSTRUCTIONS FOR FUTURE REFERENCE W ARNING.
W ARNING B e c a re f ul a dd i ng w oo d fu e l t o th e fi r e o r h a n d l i n g fi r e p l a c e t o o l s s u c h a s s ho v el s , t on g s o r po ke r s. W ARNING The bottom refractory can be cra cked by excess ive abuse s uch as tossing heavy logs onto the grate or gouging with fireplace tools.
T ABLE OF CONTENTS Safety Rules ...................................... Page 2 Introduction ...................................... Page 3 Parts Required ................................. Page 3 Optional Equipment ........................... Page 3 Operating The Ladera Fireplace .
Building a Fire (starting and maintaining a fire) Note: Leave 1/2 inch of ashes at the bottom of the firebox. T o start a fire, place several crumpled up balls of newspa per 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 be- tween.
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 (optional). When operating the Ladera™ fireplace, open a nearby window temporarily to check if there is adequate replacement air supply .
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 dimin- ish the effectiveness of the refractory .
If possible, you should choose a location where the chimney will pass throu gh the house without cutting floor or roof joists (see fireplace dimen- sions Page 9 ). Usually , no additional floor support is needed for the fireplace. The adequacy of the floor can be checked by first estimating the weight of the fireplace system.
Figure 7B Hearth Extension Requirements 39” (990mm) Min. 18” Area where wood mantel can be installed Non-Combustible Material 45 Deg. 4” 32-3/4” 17” Min. Hearth Extension Optional Cast Facade installation In sta ll the Fa cad e per ins tru cti ons pr ovi ded in Fa cad e K it (or de red se par ate ly - see Pa ge 22 ).
FPO FRAMING DIMENSIONS A 35-7/8 911 mm B 37-5/8” 956 mm C 29-1/8” 740 mm D 12-1/2” 318 mm E 70” 1778 mm F 35” 889 mm G *22” 559 mm J 49-1/2” 1257 mm K 8” 203 mm Fireplace Framing Heade.
Figure 9 Insulated Chase Construction Floor Ceiling Wall • Must have the same firestopping resistance as adjacent wall. • Must have the same insulation as adjacent ceiling. • Follow local rules regarding framing construction. 7’ (2.1 m) Min. Note: Floor and wall below the attic must be insulated using the same insulation.
Once the repair is done, it is mandator y to apply a new high temperature black cement (Mill-Pack, available from your retailer) sealing the access plate and all screw holes. Because the Ladera fireplace is an air tight fireplace, failure to do so will reduce fireplace efficiency .
Figure 16 Rain Cap Flashing Collar Flashing Firestop 68” Min. (1727mm) 39” Min. (990mm) No n- Com bu st ibl e Fa ci ng Roof Support Attic Radiation Shield The duct system must be installed respecting the following: 1. Remove the plates closing up the 8” dia.
NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. 13 Figure 17 Figure 18 Aluminum T ape Insulation Blower Tightening Collar Flex 5” Diameter Adaptor Insulated Flex Pipe OUTSIDE AIR KIT (fireplace and AC chimney) The outside air kit is optional on the Ladera™ fireplace, but mandatory on the AC chimney .
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 a 4” interior diameter (100 mm) insulated flexible duct is twenty (20) feet (6.
CHIMNEY INST ALLA TION INSTRUCTIONS 1. Cut and frame the holes in the ceiling, floor and roof where the chimney will pass (see Figure 23 ). Use a plumb-bob to line up the center of the holes. The sizes are indicated in T able 2 for the floor and ceiling holes and T able 3 ( Page 16 ) for the roof holes.
Roof Down Slope Hole Size S L O P E A S H T + / H T 6 1 0 3 + S - 2 1 00 + / H T 6 0 00 + A C R o o f P it c h 6 ” 6 ” 6 ” 0 * 1 2 - 3 /8 ” ( 3 1 4 m m) 1 4 - 1 /8 ” ( 3 5 9 m m) 1 5 ” ( 3.
Figure 28 Ch im ne y 6” Elbo w Offset & Height One Length Between Elbows T wo Lengths Between Elbows 8” 12” 18” 24” 36” 48” 8” & 48” 1 2” & 4 8” 1 8” & 4 8” 2.
Figure 29 OFFSET CHIMNEY INST ALLA TION Chimney AC Support ACRS Starter Section Rain Cap Collar Roof Flashing Offset Support Insulated Wall Radiation Shield Framing 2” x 3” Figure 30 Straps Straps OFFSET CHIMNEY INST ALLA TION WITH WALL PENETRA TION Note: In cold areas it is recommended to protect the chimney in a insulated chase.
ANGLED WALL RADIA TION 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.
CHIMNEY SUPPORT INST ALLA TION Universal Roof Support This support has three possible uses: 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.
INST ALLA TION INSTRUCTIONS FOR MASONRY APPLICA TION WARNING: Before starting the installation, the masonry chimney must be inspected by a qualified chimney sweep. The following requirements must be respected: 1. The chimney must be absolutely clear of any soot residue or creosote.
CHIMNEY - P ARTS AND COMPONENTS LISTS Installation Accessories Description Cat./ Part No. Outside Air Kit Outside Air Coupler T o Connect Outside Air (UZI) T o Fire- place, UZIAD UZIAD Ou tsi de Air D.
CHIMNEY - P ARTS AND COMPONENTS LISTS (AC) Air -Cooled Chimney System* 6” I.D. and 11” O.D. Air Cooled, Stainl. Steel inner and zinc coated steel exterior * AC Ch im ne y i s NO T re c om m e nd e.
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” (2,032 mm) meas.
NOTES 25 THIS PAGE LEFT BLANK INTENTIONALL Y.
Printed in Canada © 2008 Lennox Hearth Products P/N 506023-03 REV . A 11/2008 26 Y our Fireplace's Model Number ________________________________________ Y our Fireplace's Serial Number ____.
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