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WR/WC Series
Woodburning Fireplace
For Models:
WC400, WR400
WC500, WR500
Homeowner's Installation
and Operating Manual
948
SR cover
11/18/97
948
SC cover
11/18/97
For use in U.S./Canada
Underwriter's Laboratories Report No. MH6018
DO NOT DISCARD THIS MANUAL: Retain for future use.
20014528 12/09 Rev. 3
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WR / WC 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. Do not install combustible materials on any of the Description black fireplace surround. The WR/WC Series fireplaces are solid fuel, woodburn- burn only solid wood fuel or gas logs. ing prem
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WR / WC Series Woodburning Fireplace WR400 Series Woodburning Fireplace 22" (559mm) Rough Opening Depth 11" Dia. 48 " (1232mm) 8 " (279mm) 5/8”(13mm) (210mm) 22 " 8" Dia. (572mm) (203mm) 22" 5/8" Recessed (559mm) (16mm) Nailing Flange Rough Opening Width 41" (1041mm) Rough Opening Height 1/2" 7 " (191mm) 39 " 43 " (1006mm) (1111mm) Outside 24" Gas Line Air (610mm) 7 " 36" Access 22 " (191mm) (914mm) Gas Line (578mm) Access 14 " (372mm) 11" 7 " (279mm) (197mm) 8" 3" 40" (203mm) 1
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WR / WC Series Woodburning Fireplace WR500 Series Woodburning Fireplace 26 " (667mm) Rough Opening Depth 50" (1270mm) 11" Dia. 8 " (279mm) 1/2" (13mm) 22 " (210mm) (572mm) 8" Dia. 22" (203mm) (559mm) Recessed 5/8" Nailing (16mm) Flange Rough Opening Width 47" (1194mm) Rough Opening Height 1/2" 7 " 43 " (191mm) 39 " (1111mm) (1006mm) Outside Gas Line 22 " 7 " Air Access (578mm) 42" (191mm) 24" (1067mm) Gas Line (610mm) Access 14 " (372mm) 11" 7 " (279mm) (197mm) 3" 8" 46" (76mm) (
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WR / WC Series Woodburning Fireplace B C FP1531 Front Width back Width Depth A b C FP1531 WR/WC400 31 ¹⁄₈" 19 ⁷⁄₈" 15 ¹⁄₂" hearth dimensions (791 mm) (505 mm) (394 mm) 9/04 djt WR/WC500 36 ³⁄₄" 22 ⁷⁄₈" 15 ¹⁄₂" (934 mm) (581 mm) 394 mm) Fig. 4a Hearth dimensions. Chase Installation 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 fiestop) Draftstop Firestop Ceiling
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WR / WC Series Woodburning Fireplace Chimney Requirements - Offset Installations OFFSET CHIMNEY FLUE EXIT RISE CHIMNEY SECTION IWF282 30° ELBOW 30˚ elbow Offsets RETURN ELBOW FP282 B G A MBUF G 1' Offset 5/26/96 1 ¹⁄₂' 3' 4' Rise 30° 0 0 0 0 0 3" 11" OFFSET D ELBOW 1 0 0 0 0 8 ¹⁄₄" 20" E RISE 0 1 0 0 0 11 ¹⁄₄" 25 ¹⁄₄" 6 FT. SKCS8 2 0 0 0 0 13 ¹⁄₂" 29 ¹⁄₄" 30° C SUPPORT RETURN 1 1 0 0 0 16 ¹⁄₂" 34 ¹⁄₄" H ELBOW 0 0 1 0 0 20 ¹⁄₄" 40 ³⁄₄" OFFSET 2 1 0
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WR / WC 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. To ensure proper draft, Mounting the Fireplace it is recommended that you always
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WR / WC Series Woodburning Fireplace Chimney Supports Installation The chimney system is supported by the fireplace for vertical chimney heights less than 30' (9m) above the Insulating Fireplace enclosure hearth. Chimney supports are required if the vertical height exceeds 30' (9m) with SK8 chimneys or 20' (6m) for Cold Climates with 3-wall chimneys. Locate chimney supports at ceil- If you live in a cold climate, it is not required but ing holes or other structural framing at 30' (9m) (SK8
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WR / WC Series Woodburning Fireplace Framing Option For Circulating Models Only — Framing can be constructed before or after the fireplace eb1 (Receptacle) Hook-Up is set in place, however, most installers build the frame • Wiring should be installed by a certified before setting the fireplace. electrician. Frame fireplace with 2 x 4 lumber or heavier materials. • Turn off circuit breaker before wiring models. Refer to framing dimensions in Figures 1, 2, 3 or 4 for Once fireplace is sec
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WR / WC Series Woodburning Fireplace is equipped with support straps. It is very important to Straight-Up Chimney Installation install the second elbow in each offset as close to the To mark the centerline of the flue, put the fireplace ceiling or support as possible so that the elbow straps in final position and measure out from the wall: 9 ¹⁄₄" can be secured to framing members to help support the (235mm). Mark a spot on the ceiling directly above the weight of the chimney. fireplace. Draw
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WR / WC Series Woodburning Fireplace The following table gives firestop spacer model num- NOTe: Safety strips are not required over noncom- bers: bustible floors where all supports at the base of the fireplace are noncombustible. Angle of Chimney at Ceiling Size of Chimney Vertical 30° Four (4) nailing flanges are incorporated on each cor- 8" Flue SKFS2A SKFS6A ner of the surround. Bend the nailing flanges out, level "SK" Series 14 ¹⁄₂" x 14 ¹⁄₂" 14 ¹⁄₂" x 25 ¹⁄₂" the box, then secure
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WR / WC Series Woodburning Fireplace Continue installing the pipe as required until pipe is installed up through the ceiling. At this point, you must Pipe Section install a firestop spacer. Pipe Rim Installing the Firestop Spacer Hem in the Ceiling Hole Lance Pipe A firestop spacer is used to keep pipe spaced properly Rim and required for safety. Nail the firestop spacer (at each corner) to the framing members of the ceiling hole. NOTe: A firestop spacer is not required at the roof. Ho
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WR / WC Series Woodburning Fireplace NOTe: In the U.S., it is a good idea, although not al- Penetrating the Roof ways required, to install an attic insulation shield where blown-in insulation is planned to be used in the attic. Run pipe to roofline. Since the chimney system must be vented to the out-of-doors, you must use an approved Install the attic insulation shield with the flanges on its termination. base extending down into the framing hole. Nail each corner of attic insulation shield
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WR / WC Series Woodburning Fireplace Installing Top Housing Air Space Clearances or Termination Combustible framing material MUST NOT Follow the installation instructions provided with the penetrate AIR SPACE (shaded areas). chimney termination you have selected. Installing Chimney In a Chase Refer to Page 5, Figure 5 for an illustration of a typical 1 " chase installation. Standoff CAUTION: Treatment of firestop spacers and construc- tion of chase may vary with type of building. These
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WR / WC Series Woodburning Fireplace Mantel Clearance - Radiant Mantel Clearance - Radiant Model Mantel Clearance - Model - No Noncombustible - with Noncombustible Facing Circulating Model Facing Material Material Combustible Man- Combustible Man- Combustible tel and Trim tel and Trim 12" 12" Mantel and 12" (305mm) (305mm) Trim (305mm) Finished Wall Finished Wall Finished Wall Max. Max. Max. 1 " 1 " 1 " Header Header Header (38mm) (38mm) (38mm) 12" 12" 12" Standoff Standoff Standof
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WR / WC Series Woodburning Fireplace Hearth Installation Side Wall Protection A hearth extension is required to protect a combustible Adjacent combustible side walls that are within the mini- floor in front of the fireplace. Refer to Figure 23 for mini- mum dimensions shown in Figure 23 of fireplace open- mum dimensions and mounting detail. ing must be protected with MHSC Wall Shield Model SP40 or a specifically built wall shield described below. NOTe: Hearth extension must not cover the air
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WR / WC Series Woodburning Fireplace Side View COMMON MATERIALS AND FACTORS Wall Covering MINIMUM MATERIAL K* R THICKNESS Noncombus- 2 x 4 Header EH2416 tible Decorative (Do not notch (MHSC) 0.458 1.09 0.50 in.** Facing at standoffs) Seal all cracks between fireplace Common Brick 5.0 0.10 5.46 in.** surround and wall materials with noncom- bustible material R Value is for 1/2 inch. * Units of K = BTU/SQ FT/HR /˚F/IN ** Thickness of Listed Material Noncombustible De
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WR / WC Series Woodburning Fireplace Installing Line for gas Logs Fireplace Top View Hole in Outer Casing MHSC fireplaces are designed to accept a 1/2" (13 mm) gas line for installation of an approved gas appliance. (MHSC manufactures a wide variety of gas logs for use 1" in MHSC fireplaces.) Min. Supply Gas Line Line Tube Be sure to have the appliance installed in accordance with building codes. Repack Insula- Ceramic tion Gas connection may enter from either left or right side Knocko
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WR / WC Series Woodburning Fireplace 1 8 2 9 b 4 5 c d 3 a e 7 10 6 11 12 MHSC reserves the right to make changes in design, materials, specifications, prices and discontinue colors and products at any time, without notice. WR400/500, WC400/500 SeRIeS Ref. Description WR/WC400 WR/WC500 948 1. Damper Weld Assembly RP199 RP199 SR/SC parts 2. Damper Bracket 3030176 3030176 5/16/00 djt 3. Screen Rod (two per fireplace) 26D0138 61D0500 4. Pull Screen (two per fireplace) 61D0001 070874 5a. F
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WR / WC Series Woodburning Fireplace Accessories The following accessories for this appliance are available from your local MHSC distributor. Should you need addi- tional information beyond what your distributor can furnish, contact: MHSC, 149 Cleveland Drive, Paris, KY 40361, Attn: Technical Services. CAUTION: This fireplace and chimney assembly is a highly engineered system, and, as such, must be operat- ed only with MHSC approved components. If you use an unapproved component to make any
