Lennox Hearth Products Merit CPF-38 Installation Instructions Manual Download | Manualshive

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NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.

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36" Wood Burning Fireplaces
P/N 850,049M REV. N/C 01/2007

CST-38

CPF-38

MODELS

This installation manual will enable you to obtain a safe, efficient and
dependable installation of your fireplace system. Please read and under-
stand these instructions before beginning your installation.

Do not alter or modify the fireplace or its components under any
circumstances. Any modification or alteration of the fireplace system,
including but not limited to the fireplace, chimney components and
accessories, may void the warranty, listings and approvals of this system
and could result in an unsafe and potentially dangerous installation.

IMPORTANT! TO ASSURE PROPER ALIGNMENT OF GLASS DOORS:
INSTALL THIS FIREPLACE IN A SQUARE AND PLUMB CONDITION,
USING SHIMS AS NECESSARY AT SIDES AND/OR BOTTOM.

INSTALLATION
INSTRUCTIONS

RETAIN THESE INSTRUCTIONS

FOR FUTURE REFERENCE

OTL Report No. 116-F-20-4

MERIT

®

SERIES

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Summary of Contents for Merit CPF-38

Page 1: ...ts components under any circumstances Any modification or alteration of the fireplace system including but not limited to the fireplace chimney components and accessories may void the warranty listings and approvals of this system and could result in an unsafe and potentially dangerous installation IMPORTANT TO ASSURE PROPER ALIGNMENT OF GLASS DOORS INSTALL THIS FIREPLACE IN A SQUARE AND PLUMB CON...

Page 2: ...port normalcombustion Fireplacesconsumelarge volumes of air during the normal combustion process In the event the home is tightly sealed with modern energy efficient features the op tional combustion air kit may not provide all the air required to support combustion TABLE OF CONTENTS Safety Rules page 2 Tools and Building Supplies page 2 Precautions page 3 Introduction page 3 Chimney Mantel Cleara...

Page 3: ...ire Protection Standard for chimneys fireplaces and solid fuel burning appliances NFPA 211 andinaccordancewithcodessuchastheBOCA Basic National Codes the Standard Mechani cal Code and the Uniform Building Codes The CST and CPF systems consists of four subsystems 1 The Fireplace and Door Assemblies 2 The Chimney and Termination 3 The Optional Combustion Air Kit 4 The Chimney Air Kit Canada Only CLE...

Page 4: ...e insulated between the solid continuous floor beneath the fireplace and the chase bot tom Chase insulation in a cold climate installa tion is not required for safety ASSEMBLY OUTLINE Before You Start Check your inventory list to be sure you have all the necessary parts supplied in good usable condition Checkalsoforanyconcealeddamage Checktheoperationofthedamper Thedamper is controlled through the...

Page 5: ...room from under the fireplace The fireplace may be positioned and then the framing built around it or the framing may be constructed and the fireplace positioned into the opening Usually no special floor support is needed for the fireplace however to be certain 1 Estimate the total weight of the fireplace system including chimney and surround ma terials such as brick stone etc to be in stalled Shi...

Page 6: ...ure 9 Figure 8 Metal Safety Strips 2 Min 51 mm Platform Metal Safety Strips 2 Min 51 mm Figure 11 Figure 10 2 Min 51 mm Special Z Metal Safety Strips 2 Min 51 mm Figure 12 4 x 6 Header Spacer 2 x 4 False Header Figure 14 Figure 13 IMPORTANT UNDER NO CIRCUMSTANCES CAN THE FIREPLACE TOP SPACERS FIGURE 12 BE REMOVED OR MODIFIED NOR MAY YOU NOTCH THE HEADER TO FIT AROUND OR BE INSTALLED LOWER THAN THE...

Page 7: ...eft Front View Model CPF 38 Front View Model CST 38 Top View End View 12 318 mm 48 1238 mm 8 217 mm 3 98 mm 42 1080 mm 8 224 mm Combustion Air 12 318 mm 48 1238 mm 10 267 mm 5 146 mm 21 533 mm 5 133 mm 32 813 mm 39 997 mm 38 965 mm 12 318 mm 48 1238 mm 10 267 mm 5 146 mm 21 533 mm 5 133 mm 32 813 mm 39 997 mm 38 965 mm ...

Page 8: ...AMING SPECIFICATIONS Figure 20 7 Min 178 mm 24 614 mm Maximum 49 1245 mm 4 x 4 Header 2 x 4 False Header Optional 39 997 mm Maximum 42 1086 mm Dimensions Calculated For 1 2 Drywall 42 1086 mm 7 Min 178 mm 42 1086 mm 49 1245 mm 40 1022 mm 4 x 4 Header 2 x 4 False Header Optional 24 614 mm Maximum Dimensions Calculated For 1 2 Drywall 42 1086 mm 49 1245 mm 49 1245 mm ...

Page 9: ... Figure 24 Framing Dimensions for Ceiling Ceiling Opening Flue Type A B FTF8 Vertical 16 16 at 2 51 mm 419 mm 419 mm FTF8 Offset 16 27 At 2 51 mm 419 mm 686 mm Figure 25 Framing Dimensions for Roof FTF8 at 2 51 mm Pitch C D 0 12 16 16 419 mm 419 mm 6 12 16 19 419 mm 483 mm 12 12 16 23 419 mm 597 mm CST Wall Types CPF Wall Types Perpendicular to Roof Ridge C Type Wall T Type Wall L Type Wall H Type...

Page 10: ...rd Ensure nothing blocks the hood opening Do not terminate the duct hood higher than the chimney Step 8 Cut or frame a hole through the outside wall for the installation of the duct inlet hood A 4 114mm diameterholeissufficient Feed the loose end of the flexible air duct through the holecutfortheinlethoodandattachtocollaron inlet hood using two 2 No 6 x screws provided Insert hood into opening Sec...

Page 11: ...1 This installation is Warnock Hersey Inc listed only for use in Canada Figure 31 Step4 Note Chimneysectionsareconstructed with a unique locking tab design which en sures an immediate tight assembly between sections Plan your chimney requirements carefully before assembly as chimney is diffi cult to disassemble after installation If disas sembled the tabs might become damaged Be certain tabs are p...

Page 12: ...se rests flat on the roof Figure 36 Again check the vertical position of the chimney and the 2 51 mm minimum air space to combustibles Note Do not caulk or seal the ventilating openings Figure 38 Step 9 Security Chimneys locking band Model FLB may be required if the chimney extends too high above the roof flashing As a general rule if the chimney extends more than 6 1 8 m above the roof flashing t...

Page 13: ...MNEY COMPONENT CALCULATIONS The minimum installed height of the CST and CPF fireplace systems including fireplace and chimneycomponents is15 4 6m 25 7 6m with two offsets The maximum system height is 80 24 4 m To determine the number of chimney sections and chimney components required follow these steps 1 Determine total vertical height of the fire place installation This dimension is measured fro...

Page 14: ...y Only Chimney Lengths Chimney Only Inches Feet Inches 12 18 36 48 MM M Height Of Number Of FTF8 Height Of Chimney Only Chimney Lengths Chimney Only Inches Feet Inches 12 18 36 48 MM M 252 21 0 2 0 0 5 6401 6 40 258 21 6 1 1 0 5 6553 6 55 266 22 2 0 0 1 5 6756 6 76 276 23 0 1 0 1 5 7010 7 01 278 23 2 0 0 0 6 7061 7 06 282 23 6 0 1 1 5 7163 7 16 288 24 0 1 0 0 6 7315 7 32 294 24 6 0 1 0 6 7487 7 49...

Page 15: ...0 1 4 0 0 1054 2045 43 83 1 0 1 0 2 0 1099 2127 44 85 1 0 0 0 1 1 1124 2165 45 87 1 0 0 3 1 0 1149 2223 46 89 1 0 0 1 2 0 1175 2261 48 91 1 0 2 0 2 0 1226 2324 49 94 1 0 1 0 1 1 1251 2394 50 95 1 0 0 0 0 2 1276 2432 51 97 1 0 1 1 2 0 1302 2483 54 103 1 0 0 2 2 0 1378 2616 55 104 1 0 1 0 0 2 1403 2654 56 106 1 0 2 1 2 0 1435 2705 58 109 1 0 0 1 0 2 1480 2788 62 116 1 1 1 0 3 0 1588 2965 65 122 1 1 ...

Page 16: ...view Offset Elevation Chart and Figure 43 on page 15 for reference Step 1 Determine the offset distance where chimney is to pass through the first ceiling dimension A To find this point on your ceil ing first determine the center point for a verti cal chimney following the instructions for ver tical installation Measure height to the ceiling from the top of fireplace dimension B Use Offset Elevati...

Page 17: ... IT IS NECESSARY TO ORDER AND INSTALL THE DOOR STYLE OF YOUR CHOICE GLASSDOORSARENOTOPTIONAL CAUTION REMOVE THE PLASTIC PROTEC TIVE COATING FROM THE DOORS BRASS PIECES BEFORE ASSEMBLY AND INSTALLA TION FAILURE TO REMOVE THE COATING BEFORE FIRST USE WILL RESULT IN DAM AGE TO THE BRASS FINISH Make a careful inspection of all parts before installing the doors to insure they are undam aged and complet...

Page 18: ...2 51 mm air space must be preserved for all materials extending for any continuous length adjacent to the chimney It is especially important to insulate between the studs of an outside chase cavity and under the floor if the floor is above ground level Do not place insulation directly against the fire place or chimney system FIREPLACE FINISHES Mantels and Trim It is sometimes best to frame your fi...

Page 19: ...4 Cultered Stone Hearth stone 2 82 355 3 36 3 3 8 Wonderboard 3 23 31 3 85 3 7 8 Super Firetemp M Johns Manville 61 1 64 73 3 4 Super Firetemp L Johns Manville 54 1 85 64 5 8 Face brick 9 00 111 10 71 10 3 4 Common brick 5 00 20 5 95 6 Cement mortar 5 00 20 5 95 6 Ceramic tile 12 5 08 14 88 14 7 8 Marble 11 09 13 10 13 1 8 Table 1 Methods of Determining Hearth Extension and Wall Shield Equivalents...

Page 20: ... 3 1 2 dimension is the height R for the common brick becomes brick R M rM x TS 0 20 x 3 1 2 70 Using 1 2 of mortar to set the brick R for the mortar is calculated as follows mortar R M rM x TS 0 20 x 1 2 10 Next a 3 4 marble slab set in 1 2 mortar cov ers the brick R for the marble and mortar becomes marble R M rM x TS 0 05 x 3 4 038 mortar R M rM x TS 0 20 x 1 2 10 The sum of all R values is 70 ...

Page 21: ...1991 215 lbs CPF 38 052011 210 lbs Figure 60 Figure 61 8 203 mm 11 289 mm 30 Combustible Materials Allowed in Shaded Area 1 25 mm Minimum Distance to Protected Side Wall 4 118 mm 18 457 mm Minimum Distance to Unprotected Side Wall Model CST 38 8 203 mm 30 Combustible Materials Allowed in Shaded Area 1 25 mm Minimum Distance to Side Wall Model CPF 38 ACCESSORIES AND COMPONENTS 63L10 FTF8 12 63L13 F...

Page 22: ...mination 96L20 FTF8 CTT Arch Type Termination 96L22 FTF8 ATT Pyramid Chase Termination 63L48 FTF8 CT1 Square Chase Termination 63L51 FTF8 CT2 Round Chase Termination 63L45 FTF8 CTDT Attic Shield Firestop Spacer Canadian 63L67 FTF8 FSAS Outside Combustion Air Kits with duct 81L87 FOAK without duct 81L88 FOAK LD 12M07 36 ABF All GlassTM 12M08 36 ABF BB Bi Fold Doors 12M09 36 ABF BS ...

Page 23: ...NOTE DIAGRAMS ILLUSTRATIONS NOT TO SCALE 23 NOTES ...

Page 24: ... 850 049M REV N C 01 2007 The manufacturer reserves the right to make changes at any time without notice in design materials specifications prices and also to discontinue colors styles and products Consult your local distributor for fireplace code information 1110 West Taft Avenue Orange CA 92865 ...

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