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VCG Designer Series • DSR36 Installation Manual • 4012-130 • Rev A • 02/20/15

Noncombustible

Framing Material

HX4 or

equivalent

Figure 7.6 Raised Platform Hearth Extension-Framing

Non-combustible

Finishing Materials

Figure 7.7 Raised Platform Hearth Extension-Finishing

Floor

Noncombustible

Framing Material

Noncombustible

Finishing Material

Protective Metal

Hearth Strips

1/2 in. Micore

or equivalent

insulation

16 in. Min.

Hearth Extension

Note: The bottom of the front

face is 6 in. (152 mm) above the

bottom of the fireplace. Finished

hearth must NOT extend above

this level.

Figure 7.5 Raised Platform Hearth Extension Detail

1. Fireplace Installed Flush on the Floor and

Hearth Extension Raised to Bottom of Firebox

Opening

Non-combustible flooring a minimum of 16 in. (406 mm)

in front of and 8 in. (203 mm) to each side of the fuel

opening is required.
The hearth framing must be constructed of non-com

bustible materials (such as metal framing or equivalent

material) and placed on HX3(s), HX4(s), or equivalent

material. See Figures 7.4 and 7.5.

When creating the platform, allow for the thickness

of the non-combustible finishing materials

Seal gaps between the hearth extension and the front

of the fireplace with a bead of non-combustible sealant

or grout.

2 in. (51 mm)

required

Floor constructed of wood or

other combustible material

Protective

Metal Hearth

Strip

1/2 in. Micore

or equivalent

insulation

Continuous,

non-combustible sealant

Tile, stone or other

non-combustible material

Note: Maximum height from floor under fireplace

to top of finished hearth extension is 6 in.

Bottom of fireplace opening

Figure 7.4 Hearth Extension Construction

Summary of Contents for DSR36

Page 1: ...dren in same room as fireplace Alert children and adults to hazards of high temperatures High temperatures may ignite clothing or other flammable materials Keep clothing furniture draperies and other flammable materials away INSTALLER Leave this manual with party responsible for use and operation OWNER Retain this manual for future reference DSR36 NOTICE DO NOT discard this manual DO NOT store or ...

Page 2: ...Construct the Chase 11 D Frame the Fireplace 12 E Secure and Level the Fireplace 12 F Protective Metal Hearth Strips 13 G Outside Air Kit 13 Outside Air Installation 14 4 Chimney and Termination Requirements A Chimney Requirements 15 B Offsets Returns 16 C Termination Requirements 17 5 Chimney Installation A Typical Chimney System 18 B Assemble Chimney Sections 19 C Install Chimney Air Kit 19 D Se...

Page 3: ...4 5 Pg 15 Attic insulation shield installed Shrouds Section 6 Pg 25 Shroud is installed properly per instructions Fi i hi S ti 7 P 27 Vermont Castings Group recommends the following Comments communicated to party responsible 4012 132 Rev A 02 20 15 All packaging and protective materials removed Optional doors properly installed Molded brick panels installed correctly Grate is properly installed Fi...

Page 4: ...ls reported as passing ASTM E 136 Standard Test Method for Behavior of Metals in a Vertical Tube Furnace at 750 C C Combustible Materials Materials made of or surfaced with any of the following materials Wood Compressed paper Plant fibers Plastic Plywood OSB Sheet rock drywall Any material that can ignite and burn flame proofed or not plastered or un plastered 1 Product Specific Important Safety I...

Page 5: ... Chimney penetrates roof preferably without affecting roof rafters Offset Return with hanger straps Framing headed off in ceiling joists Enclosed space above and around fireplace Mantel and surround Decorative facing and trim Hearth extension Factory built fireplace Protective metal hearth strip s Outside combustion air Combustible framing header on top of V shaped standoffs Chimney system Attic i...

Page 6: ...allation Installation MUST comply with local regional state and national codes and regulations Consult insurance carrier local building inspector fire officials or authorities having jurisdiction over restrictions installation inspection and permits Before installing determine the following Where the fireplace is to be installed The vent system configuration to be used Gas supply piping Electrical...

Page 7: ...ow peak Location NOT recommended Not the highest point of the roof Wind loading possible Multi level Roofs Windward Leeward Recommended Location Above peak Recommended Insulated exterior chase in cooler climates Recommended Location Above peak Inside heated space Location NOT recommended Too close to tree Below adjacent structure Lower roof line Avoid outside wall Marginal Location Wind loading po...

Page 8: ...emove fireplace and components from packaging and inspect for damage Vent system components and doors are shipped in separate packages Report to your dealer any parts damaged in shipment Read all the instructions before starting the installation Follow these instructions carefully during the installation to ensure maximum safety and benefit E Fireplace System Requirements The VCG fireplace system ...

Page 9: ...effective height 41 1 2 in 1054 mm 36 in 914 mm 20 7 8 in 530 mm 7 1 2 in 191 mm 10 1 2 in 267 mm dia 12 in 305 mm 8 1 4 in 210 mm 35 in 889 mm 7 1 8 in 181 mm 9 5 8 in 244 mm Gas Knockout 8 1 4 in 210 mm 40 in 1016 mm 24 in 610 mm 20 in 508 mm 12 in 305 mm 12 in 305 mm Outside Air Gas Knockout 6 in 152 mm Figure 3 1 Fireplace Dimensions ...

Page 10: ... Combustible Materials Minimum Clearances to Combustibles WITHIN ENCLOSURE AREA Fireplace to sidewall 1 2 in 13 mm Top standoffs to header 0 in 0 mm Door opening to sidewall 12 in 305 mm MANTEL Mantel minimum height 12 in 305 mm above opening Maximum mantel depth 12 in 305 mm insulation 0 in to level of standoffs Attic Insulation Shield ceiling roof attic ceiling Ceiling Firestop Offset Return sec...

Page 11: ...op Round Termination Cap False Ceiling Figure 3 3 Chase Assembly 1 2 1 Chimney offset through exterior wall and enclosed in chase 2 Chase constructed on roof Figure 3 4 Chase Constructions The chase is constructed using framing materials much the same as the walls in your home A variety of siding materials may be used including brick stone veneer brick or standard siding materials In constructing ...

Page 12: ...d cavity depth must be no less than 23 in 584 mm Framing must extend straight up all the way to the ceiling Caution Risk of Cuts Abrasions Wear protective gloves and safety glasses during installation Sheet metal edges are sharp Warning Risk of Fire Prevent contact with sagging loose insulation DO NOT install against vapor barriers or exposed insulation Secure insulation and vapor barriers Provide...

Page 13: ...gh temperatures sparks embers or other burning material falling from the fireplace may ignite flooring or concealed combustible surfaces Protective metal hearth strips MUST be installed Hearth extensions MUST be installed exactly as specified G Outside Air Kit When you install the outside air kit Vermont Castings Group recommends you utilize the shortest duct run to op timize the performance of th...

Page 14: ...erforated piece of insulation covering the opening insulated fireplaces only Partly open the air kit door and insert the handle into the appropriate hole in the side column of the fireplace The hinge on the door assembly should be located toward the front of the fireplace If the hinge and the handle are not positioned in this manner the door will not function correctly Attach the door assembly to ...

Page 15: ...imney section from the fireplace or at any chimney joint A Chimney Requirements Vertical distances are measured from the base of the fireplace as shown in Figure 4 1 4 Chimney and Termination Requirements Table 4 2 Chimney Component Dimensions Table 4 1 Chimney Requirements ft meters Minimum overall straight height 14 5 4 42 Minimum height with offst return 16 4 88 Maximum height 90 27 43 Maximum ...

Page 16: ...offset return You determine from the table that you need 34 1 8 in 867 mm Dimension B between the offset and re turn The chimney component that best fits your application is one SL324 15 degree 30 degree SL306 SL312 SL318 SL324 SL336 SL348 A B A B in mm in mm in mm in mm 1 5 8 41 13 3 8 340 3 5 8 92 15 1 2 394 2 7 8 73 17 3 4 451 5 1 2 140 18 5 8 473 1 4 1 8 102 22 3 8 568 7 1 4 184 21 3 4 552 2 4...

Page 17: ...See illustration above B Gas Termination Cap A Perpendicular Wall If using decorative cap cover s this distance may need to be increased Refer to the installation instructions supplied with the decorative cap cover In a staggered installation with both gas and wood terminations the wood termination cap must be higher than the gas termination cap Figure 4 3 Multiple Chimney Locations C Termination ...

Page 18: ...l Lock chimney sections together firmly to resist movement Ceiling firestops are required where chimney passes through ceiling or floor Support straps for offsets not shown must be secured to adequate framing Termination Cap Storm Collar Offsets returns must be secured with the screws provided outer pipe only Attic shield Figure 5 1 Typical Chimney System Guidelines for Chimney System Installation...

Page 19: ...ey returns with hanger straps provided fasten to studs or joists Vertical straight runs of chimney must be supported every 35 ft 10 7 m B Assemble Chimney Sections Use only those components described in this manual Substitute or damaged chimney components could impair safe operation and cause overheating and fire Attach either a straight chimney section or an offset to the top of the fireplace dep...

Page 20: ...e Use same dimensional lumber for framing ceiling firestop and joists 2 in 51mm clearance 2 in 51mm clearance Warning Risk of Fire Do NOT seal area between firestop opening and chimney pipe except where they en ter the attic or leave the warm air envelope of the home use 600 F sealant Figure 5 4 Installing the Ceiling Firestop When offsets and returns are joined to straight pipe sec tions they mus...

Page 21: ...ation Shield F Install Attic Insulation Shield Warning Risk of Fire You MUST install an attic insu lation shield when there is any possibility of insulation or other combustible material coming into contact with the chimney Do NOT pack insulation between the chimney and the attic insulation shield Failure to keep insulation and other materials away from chimney pipe could cause fire Do NOT offset ...

Page 22: ... Turn down Drip Edge Chase 2 in 51 mm Collar on Chase Top 018 26 ga min Galvanized Chase Top Figure 5 9 Chase Top Construction H Install Chase Chase Top You MUST use a chase top in a chase installation Chase tops may be field constructed Include a turndown and drip edge to prevent water from seeping into the chase Include a 2 in 51 mm soldered welded or spun collar around pipe opening to keep wate...

Page 23: ...ht Do NOT block air holes Caulk gaps between storm collar pipe and storm collar chase top Termination cap pipe and chimney section must be snapped together to maintain an overlap of 1 1 2 in 38 mm Slip storm collar around chimney pipe before termination cap pipe is snapped into the chimney pipe Figure 5 10 Installing a TR344 Round Termination Cap Storm Collar Chimney Pipe Chase Top Termination Cap...

Page 24: ...to lift the top off Termination cap pipe and chimney section must overlap 1 1 2 in 38 mm Place waterproof sealer under each flange of the termination cap and on top of each screw to help prevent leaks The last section of pipe must stop between 2 in 51 mm above top of chase and 7 in 178 mm below top of chase 2 in 51 mm 7 in 178 mm Figure 5 14 Installing a TCT375 Terra Cotta Cap Storm Collar Chimney...

Page 25: ...s and termination caps 3 in 76 mm minimum Min Base Dim Min Base Dim Min Top Dim Min Top Dim Min Opening Width Min Opening Width Radiation Shield 14 1 2 in 368 mm maximum height 6 Shrouds TS345 TR342 TR342 344TV TR 7VK Min Base Dims in 23 x 23 28 x 28 26 x 26 mm 584 x 584 711 x 711 660 x 660 Radiation Shield Required Radiation Shield Not Required Min Top Dims in 20 x 20 25 x 25 23 x 23 mm 508 x 508...

Page 26: ...tion Cap Chase Top Radiation Shield 3 in 76 mm Radiation Shield Height Termination Cap Figure 6 5 Roofed Style Shroud Dimensions 3 Roofed Style Shroud Radiation shield required 2 Mailbox Style Shroud Radiation shield required TR342 TR342 344TV Min Base Dims in 26 1 2 x 28 28 x 30 mm 673 x 711 711 x 762 Min Height Above Bottom of Termination Cap in 28 1 4 27 1 2 mm 718 698 Min Opening Width in 20 1...

Page 27: ...t A bead of 300 deg F minimum non combustible sealant must be used to close off any gaps at the top and sides between the fireplace and facing to prevent cold air leaks Metal strips are placed 2 in 51 mm under the front of the fireplace and must extend beyond the front and sides of fireplace opening by 2 in 51 mm High temperature 300 F min continuous non combustible sealant Floor constructed of wo...

Page 28: ...ormula in Table 7 1 to convert a k value to an R value Refer to Table 7 2 for hearth extension insulation alternatives Warning Risk of Fire Hearth extensions are to be installed only as illustrated to prevent high temperatures from occurring on concealed combustible materials Warning Risk of Fire Maintain clearances Framing or finishing material used on the front of the fireplace closer than the m...

Page 29: ...ning Non combustible flooring a minimum of 16 in 406 mm in front of and 8 in 203 mm to each side of the fuel opening is required The hearth framing must be constructed of non com bustible materials such as metal framing or equivalent material and placed on HX3 s HX4 s or equivalent material See Figures 7 4 and 7 5 When creating the platform allow for the thickness of the non combustible finishing ...

Page 30: ... gaps between the hearth extension and the front of the fireplace with a bead of non combustible sealant or grout Platform must be built to raise the bottom of the fireplace opening to the level of the desired hearth height Protective Metal Hearth Strips Floor and platform constructed of wood or other combustible material Continuous non combustible sealant Tile stone or other non combustible finis...

Page 31: ...bead of noncombustible sealant must be used to close off any gaps at the top and sides between the fireplace and hearth WARNING Risk of Fire Vermont Castings Group is not responsible for discoloration cracking or other material failures of finishing materials due to heat exposure or smoke Choose finishing materials carefully Non combustible Sealant Figure 7 9 Place Non combustible Sealant ...

Page 32: ... combustible board is placed over the metal surfaces the space between the metal face of the fireplace and framing members Mantel Combustible Wall 2 x 4 stud wall Standoffs Measured from top of fireplace opening 12 in 305 mm 1 1 2 in 38 mm maximum 6 in 152 mm minimum 12 in 305 mm minimum Combustible Decorative Facing Non combustible Decorative Facing such as Steel iron brick tile concrete slate gl...

Page 33: ...5 mm squares FLUSH FRONT 4 in 102 mm BRICK FRONT 5 0 a n g l e 39 angle Figure 7 11 Mantel Leg Surround or Wall Projection acceptable on both sides of opening E Sidewalls Surrounds Locate adjacent combustible sidewalls a minimum of 12 in 305 mm from fireplace opening Mantle leg surround stub wall whether combustible or non combustible may be constructed as shown in Figure 7 11 ...

Page 34: ...e National Fuel Gas Code ANSI Z223 1 A gas log set must incorporate a gas shutoff Gas Log set requires the damper to be locked fully open A listed automatic damper system with safety interlock may be used in this fireplace with only compatible listed gas log sets See damper system manufacturer s instructions Knockouts are provided on both sides of the fireplace and in refractories for 1 2 in 13 mm...

Page 35: ...30 deg FS338 Ceiling Firestop Straight FS339 Ceiling Firestop 15 deg FS340 Ceiling Firestop 30 deg AS8 SL300 Straight Attic Insulation Shield 24 in 610 mm JB877 Chimney Joint Band CB876 Chimney Bracket RF370 Roof Flashing Flat to 6 12 Pitch RF371 Roof Flashing 6 12 to 12 12 Pitch TR344 Round Termination Cap TR342 Round Telescoping Termination Cap ST375 Square Termination Cap TV342 Top Vent Round T...

Page 36: ...y Joint Band RF371 Roof Flashing RF370 Roof Flashing JB877 Chimney Joint Band 2 in 51 mm 10 1 2 in 267 mm 24 5 8 in 625 mm 27 3 8 in 695 mm 12 in 305 mm 31 in 787 mm 24 5 8 in 625 mm 12 in 305 mm SL315 SL330 Offset Return Inside Diameter 8 in 203 mm Outside Diameter 10 1 2 in 267 mm Effective Height 4 3 4 in 121 mm 26 in 7 3 4 in CT 3A Catalog A B FS338 0 deg 14 1 2 in 368 mm FS339 15 deg 18 3 8 i...

Page 37: ...tion Cap TS345 TS345P Square Termination Cap 15 3 4 in 400 mm 34 3 4 in 883 mm 32 1 2 in 826 mm 23 in 584 mm 19 in 483 mm 15 5 8 in 397 mm 13 1 4 in 337 mm 18 in 457 mm 16 1 4 in 413 mm 26 1 2 in 673 mm 28 5 8 in 727 mm TCT375 Terra Cotta Cap 22 1 2 in 572 mm 9 1 2 in 241 mm 16 1 2 in 419 mm 9 1 2 in 241 mm TR342 Round Telescoping Termination Cap 34 3 4 in 883 mm 32 1 2 in 826 mm ...

Page 38: ...l 4012 130 Rev A 02 20 15 TR TVK TR Top Vent Kit 34 in 864 mm 21 3 16 in 538 mm DTS134 24 in 610 mm 21 3 16 in 538 mm 46 in 1168 mm DTS146 26 in 660 mm 20 in 508 mm DTO134 34 in 864 mm 24 in 610 mm 46 in 1168 mm 22 3 4 in 577 mm DTO146 26 in 660 mm ...

Page 39: ...6 in 406 mm 52 in 1321 mm 1 2 in 13 mm HX3 Hearth Extension B Optional Components A B C D LDS33 LDS46 Decorative Shroud E D A C B LDS BV Decorative Shroud Catalog A B C D in mm in mm in mm in mm LDS33 36 914 36 914 8 5 216 11 279 LDS46 48 1219 72 1829 8 5 216 11 279 Catalog A B C E E LDS BV in 26 12 5 15 5 22 23 mm 660 318 394 533 584 LDSCPM Corner Post Kit for custom sizes ...

Page 40: ...40 VCG Designer Series DSR36 Installation Manual 4012 130 Rev A 02 20 15 Vermont Castings Group 149 Cleveland Drive Paris Kentucky 40361 www vermontcastingsgroup com ...

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