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INSTALLATION
INSTRUCTIONS
®
MERIT SERIES
36" Wood Burning Fireplaces
P/N 850,046M REV. A 12/2008
MODELS
RDI-36 HCI-36
RDI-36-H HCI-36-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 are for design and framing reference only. Note: These fireplace systems are not difficult TECHNIQUES AND CONSTRUCTION MA- Actual installations may vary due to indi- to install. However, in the interest of safety, it is TERIALS OR PRACTICES OTHER THAN vidual design preferences. However, always recommended that the installer be a qua
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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 Spacer system including chimney and surround ma- terials such as brick, stone, etc., to be in- Note: The following steps represent the normal Maintain 1" (25 mm) stalled. Shipping weights for the fireplace 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) 9" (229 mm) 16-15/16" (428 mm) 1-1/2" Metal Safety Strips 36" 44-1/4" (914 mm) (1124 mm) 20-3/16" 2-7/8" (513 mm) (73 mm) Figure 8 7-1/8" (181 mm) Blocking 41-3/4" (1060 mm) Front Fireplace Top Spacer Metal Safety Strips Combustion 9-7/8" Figure 9 Air Inlet (251 mm) Gas Line Step 3. Refer to fireplace drawings and specifi- Access 44-1/4" cations on pages 6 and 7 for framing dimensions (1124 mm) and details. Frame appliance enclosure as illus- 10-1/8" 3
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FRAMING SPECIFICATIONS Framing Dimensions A 43" 1092 mm C Back Wall of FOAK Combustion Chase/Enclosure Air Kit - Optional B 44-1/2" 1130 mm Including Finising Materials if any C 29-1/2" 749 mm D D 15-3/4" 400 mm J F Header E 73" 1854 mm F 36-1/2" 927 mm A E G 21-3/4" 552 mm Rough Framing Face (Unfinished Shown) H 20-3/4" 527 mm B Corner Installation J 51-5/8" 1311 mm Figure 14 Note: All framing dimensions calcu- A lated for 5/8" nailing flange depth Fireplace Framing and 1/2" dry wall at the fi
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Step 4. Fireplace should be secured to side Step 6. Connect the 6" (102 mm) Class 0 air Framing must maintain adequate minimum air framing members using the full length nailing duct provided by installer, to the duct collar on space clearance at all times. tabs at the top and bottom of the fireplace front the fireplace and secure with two (2) screws face. Use 8d nails or equivalent (Figure 17 ). from the kit’s hardware package. CAUTION: ALLOW MINIMUM 2" CHIMNEY AIR SPACE TO COMBUSTIBLE FRAMING
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Note: If there is a room above ceiling level, Room Above If the flue has been installed correctly, it will not firestop spacer must be installed on the bottom separate when you test it. Also, the inner flue F8FS30-2 side of the ceiling. If an attic is above ceiling joint where each section is joined should be 2" Min. Firestop Spacer Air Space level, firestop spacer must be installed on top tight and flat without gaps (Figure 26 ). side of ceiling joist (Figures 21 and 22 ). Room Above 2" Min. FT
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Security chimney sections do not need to be Step 9. Security Chimneys locking bands, screwed together. Additional reinforcement is Model FLB, may be required if the chimney FTF8 Chimney not necessary except in certain offset condi- Do Not Seal extends too high above the roof flashing. As a general rule, if the chimney extends more than tions (refer to page 14, Figure 39 ). Flashing Spacers 6' above the roof flashing, the use of locking Step 5. The height of vertical chimney pipe bands is advisab
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Using a FTF8-CTDT Chase Termination: TEN FOOT RULE SUMMARY CTD 18" Refer to specific installation instructions in- The minimum chimney height above the roof cluded with the FTF8-CTDT chase termination and/or to adjacent walls and buildings is speci- 18" for clearance and installation details. fied by all major building codes. Using a FTF8-CT1 Chase Termination: CTDT If the horizontal distance from the peak of the CTDT roof is less then 10', the top of the chimney Refer to specific installation i
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4. Determine amount of chimney height re- Step 2. Use “Height of Chimney Only” column Step 3. Use Elevation Chart as job estimator quired by subtracting total combined height of in The Vertical Elevation Chart to determine only. Add necessary firestop spacers and stabi- all pre-selected components (fireplace and combinations of chimney used above return lizers as required. Firestop spacers must be chimney components from total desired height.) elbow to achieve desired heights. Reference used as
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OFFSET ELEVATION CHART A 1 A B FTF8-ES30 Number of FTF8 Chimney Sections Return Elbow Offset Height Offset/Return FTF8-S4 (Inches) (Inches) Elbow Stabilizer 12" 18" 38" 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 Offset 22 ¹⁄₄ 47 ¹⁄₂ 1 0 2 1 0 0 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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Measure height to the ceiling from the top of Note: The return elbow assembly performs the fireplace-dimension “B.” Use the appropriate same function as a stabilizer. Consider this Offset Elevation Chart to find dimension “A.” when determining the need for a stabilizer. Joints Mark point where you will drive your nail to show the center point for your offset ceiling cut. Note: Do not apply excessive pressure to any subsequent chimney section following return Chimney Section Step 2. Proceed by us
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The unit has been tested for use with any unvented log sets having a maximum rating of 26,000 BTU. The minimum mantle configura- tion for these log sets are outlined in Figures 46 and 47. Log sets with 40,000 BTU may be installed Combustion provided that no combustible mantle projec- Air Actuator tions are placed lower than 18 inches from the fireplace opening. These fireplaces have been marked with a BLOWER THREE maximum rating of 26,000 BTU to assure that PRONGED PLUG TO GROUNDED OUTLET homeo
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Glass Doors These fireplaces may sit directly on a combus- Hearth Extensions and Wall Shields tible surface. A 2" air space is required be- If glass doors are to be installed on these tween combustible framing and the chimney. A hearth extension must be installed with fireplaces, refer to specific installation instruc- A 1" air space is required between combustible all fireplaces. It is to protect the combustible tions packed with the glass doors. Use only the framing and fireplace outer wrappe
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Hearth Extension Dimensions A 16" B 33" C 8" D 49" C B C Note: To convert inches to millimeters A divide by 0.03937 D Figure 48 Answer - The minimum required thickness of the Micore 160 is .273”, Methods of Determining Hearth Extension and Wall Shield therefore round up to 1/4” and use the nearest standard thickness available Equivalents - To determine the thickness required for the alternate which is 1/2”. material when either the “k” value or “r” value is known, use either the k formula or r
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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 be an acceptable combination of 24" material for the hearth extension since the total calculated “R value” of the materials used 5 1/2" exceeds the required “R value” of 0.78. An additional layer of insulating materials is not 30" needed. Note: Also see NFI Certification Manuals for 2" expanded explanation on calculating “R val- C ues” when multiple materials are used. B Max. Thicknes
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INSTALLATION COMPONENTS The following items are available for use in the (FBK-200 Models Only) installation of this appliance. Firestop Spacer (30°) 63L32 F8FS30-2 Forced Air Blower Kits -Single Speed 80L84 FBK-100 Chimney Section 63L10 FTF8-12 -Variable Speed 80L85 FBK-200 63L13 FTF8-18 63L14 FTF8-36 63L15 FTF8-48 Canadian 62L92 FTF8-18C Chimney Section 62L93 FTF8-36C Offset/ Return Package (30°) 63L22 FTF8-ES30 63L38 F8F6 Flashing 63L39 F8F12 Outside Combustion Air Kits Stabilizer 63L25 FTF8-S
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INSTALLATION COMPONENTS Chase Termination (Square) 63L51 FTF8-CT2 Cold Climate Kit 63L62 FTF8-CCK2-LD Round Termination 63L42 FTF8-CTD Chase Termination Chase Termination (Square) 63L48 FTF8-CT1 (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 fireplace code informa
