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INSTALLATION
INSTRUCTIONS
®
MERIT SERIES
42" Wood Burning Fireplaces
P/N 850,047M REV. B 12/2008
MODELS
RDI-42 HCI-42
RDI-42-H HCI-42-H
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
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2. Always check your local building codes. The The manufacturer is not responsible for any TABLE OF CONTENTS installation must comply with all local, regional, smoking or related problems that may result Safety Rules .................................... page 2 state and national codes and regulations. from the lack of adequate combustion air. It is the responsibility of the builder/contractor to Tools and Building Supplies ............ page 2 3. These fireplaces must be installed with ensure tha
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Note: Illustrations shown reflect “typical” PRECAUTIONS WARNING: FAILURE TO USE MANUFAC- installations with nominal dimensions and TURE PROVIDED PARTS, VARIATIONS IN Note: These fireplace systems are not difficult are for design and framing reference only. TECHNIQUES AND CONSTRUCTION MA- to install. However, in the interest of safety, it is Actual installations may vary due to indi- TERIALS OR PRACTICES OTHER THAN recommended that the installer be a qualified or vidual design preferences. Howeve
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Insulate Joists Chimney Height LOCATION OF FIREPLACE Same As Ceiling The total height of your completed fireplace Carefully select the proper location for heat system from the surface the fireplace rests on circulation, aesthetics, chimney obstructions to the chimney top must not exceed 60' and and clearance to side wall(s). With proper pre- must also meet minimum height requirements. planning, a slight adjustment of a few inches Refer to the minimum system height chart. can save considerable ti
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1. Estimate the total weight of the fireplace ASSEMBLY STEPS Top Spacers system including chimney and surround ma- terials such as brick, stone, etc., to be in- Note: The following steps represent the normal Maintain stalled. Shipping weights for the fireplace 1" (25 mm) sequence of installation. Each installation is Air Space may be found on page 18. unique, however, and might require a different At Back And Sides sequence. 2. Measure the square footage of the floor space to be occupied by the
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FIREPLACE SPECIFICATIONS 12-1/2" (318 mm) 8-3/8" (213 mm) 16-5/16" (414 mm) 1-1/2" Metal Safety Strips 41" 46-3/8" (1041 mm) (1178 mm) 40-1/2" 22-5/16" Figure 8 2-7/8" (1029 mm) (566 mm) (73 mm) 7-3/4" (197 mm) Blocking 46-3/4" (1187 mm) Front Fireplace Top Spacers 1/2" (13 mm) Metal Safety Strips Figure 9 9-7/8" Combustion Step 3. Refer to fireplace drawings and specifi- Air Inlet (251 mm) cations on pages 6 and 7 for framing dimensions Gas Line and details. Frame appliance enclosure as illus
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FRAMING SPECIFICATIONS Framing Dimensions C A 49" 1245 mm Back Wall of FOAK Combustion Chase/Enclosure Air Kit - Optional Including Finising B 46-1/2" 1181 mm Materials if any C 33" 838 mm D D 17-1/2" 445 mm J F Header E 81" 2057 mm F 40-3/8" 1026 mm A E G 24" 607 mm Rough Framing Face (Unfinished Shown) H 23" 584 mm B Corner Installation J 57-1/4" 1454 mm Figure 14 Note: All framing dimensions calcu- A lated for 5/8" nailing flange depth and Fireplace Framing 1/2" dry wall at the fireplace fac
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Step 4. Fireplace should be secured to side Step 7. Route the Class 0 metallic air duct out framing members using the nailing tabs at the the back wall or side wall, up through the ceiling top and bottom of the fireplace front face. Use or floor joists to an outside wall. The air duct’s 8d nails or equivalent (Figure 17 ). inlet should be located above any anticipated snow level. Note: If the fireplace is installed against an inside wall, the Class 0 metallic air duct may be extended into a ven
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Step 4. Note: Chimney sections are con- Note: Assemble one component of chimney at CHIMNEY 30° OFFSET THROUGH FLOOR structed with a unique locking tab design, a time (inner section first, then outer section OR CEILING which ensures an immediate, tight assembly last) before proceeding with the next complete between sections. Plan your chimney require- section. It may be necessary to assemble the chimney at ments carefully before assembly as chimney 30° when passing through the floor or ceiling is
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Note: Do not apply excessive pressure to any Step 8. Slide the FTF8 storm collar (ordered Step 10. Using a FTF8-CTD Round Termination: subsequent chimney sections following the separately) over outer chimney, rest on flash- stabilizer when installing. Ensure each subse- ing spacers and align with top surface of flash- 1. Hold the FTF8-CTD over top of last chimney quent chimney section is securely attached by ing. Insert tab in slot, pull tight and bend tab section (Figure 33 ). testing as noted
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To determine the number of chimney sections Less Than 10' and chimney components required, follow these steps: 2' Min. 1. Determine total vertical height of the fireplace 3' installation. This dimension is the distance from Min the surface the fireplace sets on to the point 10' 3' Min where smoke exits from the termination. 2. Determine the number of chimney compo- nents required, except chimney sections. This would include firestop spacers, stabilizers, roof flashing, etc. 3. The effective heig
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The offset and return elbows may be attached FTF8 VERTICAL ELEVATION CHART together, or a section or sections of chimney may be used between, but do not exceed 20' in Height Of Number Of FTF8 Height Of Number Of FTF8 total length between elbows. If sections of pipe Chimney Only Chimney Lengths Chimney Only Chimney Lengths exceed 10' between elbows, a chimney stabi- Inches Feet/Inches 12" 18" 36" 48" Inches Feet/Inches 12" 18" 36" 48" lizer must be used at the midpoint (Figure 36 ). 11 0 11 1 0 0
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OFFSET ELEVATION CHART A 1 A B FTF8-ES30 Number of FTF8 Chimney Sections Return Offset Height Offset/Return FTF8-S4 Elbow (Inches) (Inches) Elbow Stabilizer 12" 18" 36" 48" 20' Max. 415 ³⁄₄ 10 0 0 0 0 924 ¹⁄₂ 10 1 0 0 0 B 1 12 29 ³⁄₄ 10 0 1 0 0 Stabilizer 14 ¹⁄₄ 33 ¹⁄₂ 10 2 0 0 0 17 ¹⁄₄ 38 ¹⁄₂ 10 1 1 0 0 10' Max. 20 ¹⁄₄ 43 ³⁄₄ 10 0 2 0 0 21 45 ¹⁄₄ 1 0 00 1 0 22 ¹⁄₄ 47 ¹⁄₂ 1 0 2 1 0 0 Offset Elbow 25 ¹⁄₄ 52 ¹⁄₂ 1 0 1 2 0 0 26 ¹⁄₄ 54 ¹⁄₄ 10 1 0 1 0 27 55 ³⁄₄ 10 0 0 0 1 28 ¹⁄₄ 57 ³⁄₄ 1 0 0 3 0 0 29
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Step 5. Secure support straps to framing INSTALLING OFFSETS members by nailing under tension in sheer (Figure 41 ). First, review the Offset Elevation Chart and Joints Figure 38 for reference. Step 1. Determine the offset distance where Chimney Section chimney is to pass through the first ceiling- 4' 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. No. 8 x 1/2" SMS 6' Return Meas
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POWER TO THE FIREPLACE After completing the installation of the optional Note: Using a soapy water solution (50% dish The Optional Blower Kit Operates on 115 volt 60 Hz combustion air vent system the actuator arm soap, 50% water) is an effective leak test 150 watts AC must be put in service and tested to ensure solution but it is not recommended, because proper operation before completing any enclo- the soap residue that is left on the pipes/ sure around the firebox. Failure to do so may fitti
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If you’re installing a gas line, connect it before It is especially important to insulate between Finished Wallboard Header the fireplace is framed and enclosed in the the studs of an outside chase cavity and under 12" finished wall. The gas knockout is determined the floor if the floor is above ground level. Do Max. by the indentation located at the bottom and not place insulation directly against the fire- 1 1/2" slightly off center in the side refractories. THE place or chimney system. KNOCKO
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Hearth Extension Dimensions A 16" B 38" C 8" D 54" C B C Note: To convert inches to millimeters A divide by 0.03937 D Figure 47 Answer - The minimum required thickness of the Micore 160 is .875”, Methods of Determining Hearth Extension and Wall Shield therefore round up to 7/8” and use the nearest standard thickness available Equivalents - To determine the thickness required for the alternate which is 1”. material when either the “k” value or “r” value is known, use either the k formula or r fo
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The sum of all “R values” is: .70 + .10 +. 038 + .10 = .938 Wall Shield Required Where Less Than 12" This would NOT be an acceptable combination 36" of material for the hearth extension since the total calculated “R value” of the materials used 5 1/2" is under the required “R value” of 2.33. An additional layer of insulating materials must 36" be used. Note: Also see NFI Certification Manuals for 2" expanded explanation on calculating “R val- C ues” when multiple materials are used. Max. Thickn
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INSTALLATION COMPONENTS The following items are available for use in the (FBK-200 Models Only) installation of this appliance. Chimney Section 63L10 FTF8-12 63L13 FTF8-18 63L14 FTF8-36 Forced Air Blower Kits 63L15 FTF8-48 -Single Speed 80L84 FBK-100 Canadian 62L92 FTF8-18C -Variable Speed 80L85 FBK-200 Firestop Spacer (30°) 63L32 F8FS30-2 Chimney Section 62L93 FTF8-36C 63L38 F8F6 Flashing 63L39 F8F12 Offset/ Return Package (30°) 63L22 FTF8-ES30 Outside Combustion Air Kits (with duct) 81L87 FOAK
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INSTALLATION COMPONENTS (Not Provided) Chase Termination (Square) 63L51 FTF8-CT2 Attic Shield Assembly 63L67 FTF8-FSAS Chase Termination Chase Termination (Square) 63L48 FTF8-CT1 Cold Climate Kit H7412 CCK-HCRD (Round) 63L45 FTF8-CTDT NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. 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 firepl
