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WMC Series
Woodburning Fireplace
Homeowner's Installation
and Operating Manual
For Models:
WMC36
WMC42
FP583A
WMC
12/18/98
For use in U.S./Canada
Underwriter's Laboratories
Report No. MH6018
DO NOT DISCARD THIS MANUAL: Retain for future use.
20000583 7/06 Rev. 20
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WMC Series Woodburning Fireplace Safety Information PLEASE READ THIS MANUAL BEFORE INSTALLING AND USING FIREPLACE. IMPORTANT: Read all instructions and warnings carefully before starting installation. Failure to follow these instructions may result in a possible fire hazard and will void the warranty. Burn only solid wood fuel or gas logs. Description Do not install a solid fuel burning insert or other prod- The WMC Series fireplaces are solid fuel, woodburn- ucts not specified for use with this
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WMC Series Woodburning Fireplace WMC36 Series Woodburning Fireplace — Circulating Model 22" (559mm) Rough Opening 47" (1194mm) Depth 11" Dia. ¹⁄₂" (13mm) (279mm) 8¹⁄₄" 22¹⁄₂" (210mm) (572mm) 8" Dia. (203mm) 22" (559mm) ⁵⁄₈" Recessed (16mm) Nailing Flange Rough Opening Width 41" (1041mm) Rough Opening ¹⁄₂" Height 7¹⁄₂" (191mm) 36⁵⁄₈" 40³⁄₄" (930mm) (1035mm) Gas Line Outside Air 36" Access 7¹⁄₂" (914mm) (191mm) 21" Gas Line Access 14⁵⁄₈" 9¹⁄₂" 7³⁄₄" (372mm) (241mm) (197mm) 35¹⁄₂" (902mm) 3" 8
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WMC Series Woodburning Fireplace Front Width Back Width Depth B A B C WMC36 33¹⁄₂" 18¹⁄₄" 20¹⁄₄" (851 mm) (464 mm) (514 mm) C WMC42 39⁵⁄₈" 18¹⁄₄" 15¹⁄₄" (1007 mm) (464 mm) (387 mm) FP1531 Fig. 2a Hearth dimensions. FP1531 hearth dimensions Chase Installation 9/04 djt Insulation methods shown are optional Termination Cap for cold climate, not a requirement for Storm Collar unit operation. Pan Flashing Batt Insulation (cut out around firestop) Draftstop Firestop Ceiling Level Top Sh
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WMC Series Woodburning Fireplace Chimney Requirements - Offset Installations OFFSET CHIMNEY FLUE EXIT RISE CHIMNEY SECTION IWF282 30˚ ELBOW 30˚ Elbow Offsets RETURN IWF282 ELBOW B MBUF G A 5/26/96 1' Offset 1 ¹⁄₂' 3' 4' Rise G 30˚ 0 0 0 0 0 3" 11" OFFSET D 1 0 0 0 0 8¹⁄₄" 20" ELBOW E RISE 0 1 0 0 0 11¹⁄₄" 25¹⁄₄" 6 FT. 2 0 0 0 0 13¹⁄₂" 29¹⁄₄" SKCS8 30˚ C 1 1 0 0 0 16¹⁄₂" 34¹⁄₄" SUPPORT RETURN 0 0 1 0 0 20¹⁄₄" 40³⁄₄" H ELBOW OFFSET 2 1 0 0 0 21
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WMC Series Woodburning Fireplace Planning Information Preplanning an installation is very important to ensure The Ten Foot Rule safety and to save time and money. An installer must predetermine where a fireplace will be set and how the Major U.S. building codes specify a minimum chimney chimney system will be run. height above the roof top. The “Ten Foot Rule” is a fire safety rule and not a draft rule. It is recommended that Mounting the Fireplace you always meet or exceed the “Ten Foot Ru
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WMC Series Woodburning Fireplace Chimney Supports Installation The chimney system is supported by the fireplace for vertical chimney heights less than 30' (9 m) above the Insulating Fireplace Enclosure hearth. Chimney supports are required if the vertical for Cold Climates height exceeds 30' (9 m) with SK8 chimneys or 20' (6 If you live in a cold climate, it is not required but m) with 3-wall chimneys. Locate chimney supports highly recommended that you insulate fireplace at ceiling holes
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WMC Series Woodburning Fireplace Framing Ground Framing can be constructed before or after the fire- Ground Screw place is set in place, however, most installers build the frame before setting the fireplace. Black Variable Speed Con- Frame fireplace with 2 x 4 lumber or heavier materials. Wall trol (optional) Junction Box Refer to framing dimensions in Figures 1 and 2 for (not supplied) basic fireplace specifications. NOTE: Framing should be positioned to accommo- Wire Nuts date wall covering a
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WMC Series Woodburning Fireplace Chimney Centerline Chimney Set-up Since you have already preplanned the chimney run, Actual Centerpoint you should know exactly how the installation is to be accomplished - how much pipe is required, the number of elbows, if any, and type of termination to be used. 9¹⁄₄" (235mm) CAUTION: REPORT TO YOUR DEALER ANY PARTS DAMAGED IN SHIPMENT, SPECIFICALLY CHECK THE END CONNECTION OF CHIMNEY SECTIONS AND ELBOWS. NOTE: The WMC36 may use CFM Corporation model S
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WMC Series Woodburning Fireplace Framing the Ceiling Hole Frame the ceiling chimney hole as shown in Figure 13. It is good practice to use framing lumber that is the same size as the ceiling joists; this is a requirement at Metal Safety Strips attic level. (1, 2 or 3 Pieces) The following table gives firestop spacer model num- bers: "Z" Fire- Angle of Chimney at Ceiling Safety Place Size of Chimney Vertical 30° Strip (not supplied) 8" Flue SKFS2A SKFS6A ¹⁄₂" (13mm) Plat- "SK" Series 14
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WMC Series Woodburning Fireplace Installing Outside Air Kit Inner Pipe Section An outside air kit is installed in all WMC Series Fire- Pipe Rim places. If desired, or if local codes mandate the use of an air kit, then an AK-MST is required to complete the Hem installation (from air kit to the outdoors). If the outside Lance air kit is to be used, the AK-MST MUST be installed Pipe Rim BEFORE the fireplace is enclosed. Refer to the AK- MST instructions for field installation. The outside air
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WMC Series Woodburning Fireplace Attic Installation Nails (4) Attic Insula- tion Shield Firestop Spacer Nails (4 required) Joist Attic Joist Ceiling Installation Base Flanges Ceiling FP263 Joist Fig. 20 Attic shield installlation (Canadian requirement). Chimney Supports Firestop Spacer IGF263 If chimney supports are required, they are installed MBUF the same as elbows. Nail chimney support straps to 5/9/96 adjacent structural framing, as shown on Page 7, Figure 7. Bend straps as necessary
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WMC Series Woodburning Fireplace adjacent combustible surfaces. (Combustible surfaces Air Space Clearances include burnable materials such as: ceiling members, joists, flooring, combustible insulation and roof struc- Combustible framing material MUST NOT tures.) penetrate AIR SPACE (shaded areas). WARNING: DO NOT PACK REQUIRED AIR SPACES WITH INSULATION OR OTHER MATERIALS. Mark an outline of the roof hole around the center of the 1¹⁄₂" (SK8) point nail. NOTE: Hole dimensions given in the
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WMC Series Woodburning Fireplace NOTE: No side wall protection is required for fireplaces installed at 45° to two (2) side walls (corner installation). Combustible 12" Mantel and (305mm) Finished Wall Often a decorative surround or vertical portion of the Trim Max. mantel is desired. If this is constructed of any combus- tible material it must be within the safe zone indicated in 1¹⁄₂" Header (38mm) Figure 23. Standoff 12" (305mm) Min. Noncombustible 6" Side Wall Protection Material (159m
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WMC Series Woodburning Fireplace WARNING: HEARTH EXTENSION MUST BE IN- Hearth Installation STALLED IN ACCORDANCE WITH FIGURE 24 AND A hearth extension is required to protect a combustible MUST NOT COVER THE BOTTOM FRONT OPENING floor in front of the fireplace. Refer to Figure 24 for OF THE CIRCULATING MODEL. minimum dimensions and mounting detail. Alternate noncombustible materials may be used provid- NOTE: Hearth Extension must not cover the air ing the (total) thermal resistance (Rt valu
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WMC Series Woodburning Fireplace COMMON MATERIALS AND FACTORS Wall Covering MINIMUM MATERIAL K* R Noncombustible 2x4" Header - THICKNESS Decorative Do not notch at EH2416 Facing standoffs. (CFM Corporation) 0.458 1.09 0.50 in.** Seal all cracks between fireplace surround and wall Common Brick 0.10 5.46 in.** 5.0 materials with noncombustible material. R Value is for Z\x inch. * Units of K = BTU/SQ FT/HR/˚F/IN Noncombustible ** Thickness of Listed Material Decorati
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WMC Series Woodburning Fireplace Installing Line for Gas Logs Hole in Outer Casing Fireplace Top View CFM Corporation fireplaces are designed to accept a 1/2" gas line for installation of an approved gas appli- 1" ance. (CFM Corporation manufactures a wide variety Supply Min. Gas Line of gas logs for use in CFM Corporation fireplaces.) Line Tube Be sure to have the appliance installed in accordance Ceramic Repack Insula- with building codes. Knockout tion Gas connection may enter from eith
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WMC Series Woodburning Fireplace 1 8 2 6 9 10 13 7 11 5 14 12 3 15 4 16 19 20 21 18 17a,b 583 CFM Corporation reserves the right to make changes in design, materials, specificaitons, prices and discontinue colors and products at any time, without notice. 2-583 Parts page WMC36/42 Woodburning Fireplace 3/2/99 djt Item/Model Number WMC36 WMC42 1. Damper Blade 7551310 7551310 2. Top Grille Painted (Used for top and bottom) 20000711 20000714 3. Top Grille Painted (Used for top and bottom) 200
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WMC Series Woodburning Fireplace Accessories The following accessories for this appliance are available from your local distributor. Should you need additional in- formation beyond what your distributor can furnish, contact: CFM Corporation, 2695 Meadowvale Blvd., Mississauga, Ontario, Canada L5N 8A3; Attn: Technical Services. CAUTION: This fireplace and chimney assembly is a highly engineered system, and, as such, must be oper- ated only with CFM Corporation approved components. If you use an
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WMC Series Woodburning Fireplace Chimney Components U.S. Component Description Model Number Round Top Termination Top used to terminate chimney at roof. RLTSK8 (SK8) (Flashing not included.) Round Top Termination - Top used to terminate chimney at chase. RLTSK8L Extended (SK8) (Flashing not included.) Flashing Metal finishing required around Contemporary 8-6-12 with 8" flue: Termination to prevent rain leakage. 0-6/12 pitch 8-12-12 with 8" flue: 6/12-12/12
