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STR/CVR Series
Woodburning Fireplace
Homeowner's Installation
and Operating Manual
For Models:
STR33
STR36
STR42
CVR36
CVR42
For use in U.S./Canada
Underwriter's Laboratories
Report No. MH6018
DO NOT DISCARD THIS MANUAL: Retain for future use.
7412961 12/06 Rev. 17
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STR/CVR Series Woodburning Fireplaces 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 a solid fuel burning insert or other Description products not specified for use with this fireplace. The STR/CVR Series fireplaces are multi-side solid fuel, Proposition 65 Warn
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STR/CVR Series Woodburning Fireplaces STR Series Woodburning Fireplace F G 12" 24" Total � � Unit Width Framing Width Will be 24" Minus STR33 STR36 STR42 2 x (Drywall Thickness) A 33" 36" 42" C 838mm 914mm 1067mm B 37" 40" 46" 940mm 1016mm 1168mm C 18���" 20" 23" 18���" 470mm 508mm 584mm D 49���" 49 ���" 53��� " 1267mm 1267mm 1368mm E 52���" 52 ���" 56��� " 1340mm 1340mm 1442mm F 11" 11" 13 ���" 279mm 279mm 343mm 7���" G 8" 8" 11" 203mm 203mm 279mm E J 26���"� �
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STR/CVR Series Woodburning Fireplaces STR/CVR Series Woodburning Fireplace Flue Flue Header Damper Outer Collar Collar Standoffs Ledge Outer Outer Brackets Dome Dome Flue Damper Control (Inside) Brick liner on Sides and Hearth Gas Line Knock-out (Both Sides) Gas Line Outside Air Access Screen Control Firebox Hearth Wood Grate Air Inlet Metal Safety Strips, Outside Air Access shown not in place (1, 2, or 3 Pieces) CVR Fireplace STR Fireplace FP701 FP701 STR/CVR Parts ID Fig. 3 STR/CVR Par
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STR/CVR Series Woodburning Fireplaces Chase Installation Insulation methods shown are optional for cold climate, not a requirement for unit operation. Termination Cap Storm Collar Pan Flashing Batt Insulation (cut out around firestop) Draftstop Firestop Ceiling Level Outer Dome Refer to Figures 21 and 26 for clearance Finish Wall information. Ledge Brackets Surround Nailing Flange Gas Access (both sides) Screen Outside Air Cover Plate Grate Firebox Outside Air Control FP704 STR (from FP528)
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STR/CVR Series Woodburning Fireplaces Chimney Requirements - Offset Installations OFFSET CHIMNEY FLUE EXIT RISE CHIMNEY SECTION FP282 30˚ ELBOW RETURN 30˚ Elbow Offsets IWF282 ELBOW B G A MBUF 5/26/96 G 1' Offset 1 ¹⁄₂' 3' 4' Rise 30˚ OFFSET 0 0 0 0 0 3" 11" D ELBOW 1 0 0 0 0 8 ¹⁄₄" 20" E RISE 0 1 0 0 0 11 ¹⁄₄" 25¹⁄₄" 6 FT. SKCS8 30˚ 2 0 0 0 0 13 ¹⁄₂" 29¹⁄₄" C SUPPORT RETURN 1 1 0 0 0 16 ¹⁄₂" 34¹⁄₄" H ELBOW 0 0 1 0 0 20 ¹⁄₄" 40³⁄₄" OFFSET 2 1 0 0
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STR/CVR Series Woodburning Fireplaces 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, NOTE: STR33/36 and CVR36 models use CFM Cor- it is recommen
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STR/CVR Series Woodburning Fireplaces Chimney Supports Installation The chimney system is supported by the fireplace for vertical chimney heights less than 20' (6m) above the Insulating Fireplace Enclosure for Cold hearth. Chimney supports are required if the vertical Climates height exceeds 20' (6m). Locate chimney supports at ceiling holes or other structural framing at 20' (6m) If you live in a cold climate, it is not required but heights. Spacing between chimney supports must not high
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STR/CVR Series Woodburning Fireplaces Chimney Set-up Framing Since you have already preplanned the chimney run, Framing can be constructed before or after the fireplace you should know exactly how the installation is to is set in place, however, most installers build the frame be accomplished — how much pipe is required, the before setting the fireplace. number of elbows, if any, and type of termination to be Frame fireplace with 2 x 4 lumber or heavier materi- used. als. Refer to framing di
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STR/CVR Series Woodburning Fireplaces Actual Centerpoint Framing the Ceiling Hole Chimney X Frame the ceiling chimney hole as shown in Figure Centerline 12. It is good practice to use framing lumber that is the same size as the ceiling joists; this is a requirement at Side of attic level. STR/CVR The following table gives firestop spacer model num- Plumb Line bers: Angle of Chimney at Ceiling Plumb Bob Size of Chimney Vertical 30° 8" Flue SKFS2A SKFS6A Imaginary "SK" Series 14 ¹⁄₂" x 1
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STR/CVR Series Woodburning Fireplaces Positioning, Safety Strips, Securing the Fireplace Slide fireplace into position. Lift the fireplace front slightly and slide the metal safety strips under front bottom edge about 1 ¹⁄₂" (38mm), al- lowing the remainder to extend in front of firebox. Over- lap strips at least 1/2" (13mm) to provide a positive joint. Metal Safety (Flat safety strips are packed with fireplace.) (Fig. 13) Strips (1, 2 or 3 pieces) Safety strips are used to ensure that any combu
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STR/CVR Series Woodburning Fireplaces Installing the Chimney System Pipe Section Start by attaching the first chimney section to the collar on top of the fireplace. Pipe Rim Install the pipe as pictured in Figure 16. When you Hem get a good lock, you will hear the pipe clearly snap Lance together. Once sections are snap-locked in place, it is Pipe Rim extremely difficult to get them apart. Make sure the pipe is firmly snapped and locked together as each pipe section is mounted. When ins
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STR/CVR Series Woodburning Fireplaces Firestop spacers are not available for nor are they re- quired on vertical walls. DO NOT put any sealant around the area where the Attic Insula- outer pipe slides through the firestop spacer. If you tion Shield seal this area, it may cause a fire hazard. Nails (4 required) Canadian Requirements for Insulation Shield In Canada, an attic insulation shield is required to pre- vent attic insulation from contacting the chimney sec- Attic Joist tion. Framing dime
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STR/CVR Series Woodburning Fireplaces WARNING: DO NOT PACK REQUIRED AIR SPACES WITH INSULATION OR OTHER MATERIALS. Air Space Clearances Mark an outline of the roof hole around the center of the Combustible framing material MUST NOT penetrate AIR SPACE (shaded areas). point nail. NOTE: Hole dimensions given in the chim- ney top installation instructions are horizontal dimen- sions; therefore, the hole size must be marked on the 1 ���" (38mm) � ����� roof accordingly. ������ Cover the openin
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STR/CVR Series Woodburning Fireplaces Mantel Clearance - Mantel Clearance - No Noncombustible Facing Material with Noncombustible Facing Material Finished Wall 12" Finished Wall Combustible Combustible 12" Mantel and Trim Mantel and Trim (305mm) (305mm) Standoff Standoff Max. Max. 1/2" 1/2" 2 x 4 Stud 2 x 4 Stud 12" 12" Noncombustible Mate- (305mm) Noncombustible Mate- (305mm) rial rial Min. Min. Header Header Ledge Bracket Ledge Bracket Noncombustible Facing Material 6' Fireplace Fireplace
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STR/CVR Series Woodburning Fireplaces Side Wall Protection Examples of wall shield insulation: All joints (top, bottom and sides) where wall or deco- 1. Manville - CERAFORM 126, K=.27, rative facing material meets fireplace surround must 1/2 inches thick be completely sealed with a noncombustible material. (Figs. 20 and 24) 2. CFM Corporation - EH2416, K = .458, The special wall shield design described in Figure 20 is 1 inch thick required. an alternate method of adding protection to sid
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STR/CVR Series Woodburning Fireplaces Minimum Hearth Extension Dimensions Minimum Wall Clearances (for On-Site Construction) STR WITH WITHOUT Noncombustible Noncombustible Surround Facing Surround Facing Shaded area starts CVR G G 4" BRICK 1/2" away from H (Example material) edge of unit G G 4" H J Firebox J E E F** D Opening Seal cracks A - Min. clearance C** between the May install to combustible fireplace noncombustible perpendicular wall and hearth decorative Side B - Min. clearance Sid
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STR/CVR Series Woodburning Fireplaces Example of Determining Hearth Extension Equivalents Seal Cracks Between Fireplace and Hearth To determine the thickness required for any new mate- Extension with Noncombustible Material rial: Noncombustible Lower Surround Material 7 ¹⁄₂" NEW K of new material (per inch) thickness Noncombustible Max. Thickness Fireplace required = X of listed Material Hearth Combustible thickness K of listed material (per inch) material Floor Example for Common B
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STR/CVR Series Woodburning Fireplaces Installing Line for Gas Logs Fireplace Top View Majestic Fireplaces are designed to accept a 1/2" Hole in (13 mm) gas line for installation of an approved gas ap- Outer Supply Line 1" Casing pliance. (CFM Corporation manufactures a wide variety of gas logs for use in Majestic fireplaces.) Gas Line Repack Insu- Tube lation Be sure to have the appliance installed in accordance with building codes. Gas connection may enter from either left or right
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STR/CVR Series Woodburning Fireplaces 1, 2, 3 4a 4b d e b 5a 7 6 a 8 9 c 13 5b 12 10 11 14 961 CFM Corporation reserves the right to make changes in design, materials, specifications, prices and discontinue colors and products at any time, without notice. CVR36/42 SERIES 961 CVR parts Ref. Description CVR36 CVR42 5/17/00 djt 1. Flue Damper RP102 RP161 2. Damper Actuator 7548170 7548169 3. Damper Handle Push Nut 7512903 7512903 4a. Screen Rod Assembly - Side (two per fireplace) 30301
