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Majestic ASH36, Installation Manual

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Majestic • Ashland ASH36 Installation Manual  • 4059-909 • Rev D • 04/19

2

 

Safety Alert Key:

• 

DANGER!

 

Indicates a hazardous situation which, if not avoided 

will result in death or serious injury.

• 

WARNING!

 Indicates a hazardous situation which, if not avoided 

could result in death or serious injury.

• 

CAUTION!

 

Indicates a hazardous situation which, if not avoided, could result in minor or moderate injury.

• 

NOTICE:

 Indicates practices which may cause damage to the fireplace or to property.

Table of Contents

1 Product Specific & Important Safety Information 

A. Fireplace Certification 

4

B. Non-Combustible Materials 

4

C. Combustible Materials 

4

2 Getting Started 

A. Typical Fireplace System 

5

B. Design and Installation Considerations 

6

1. Selecting Fireplace Locations 

6

2. Locating Fireplace & Chimney 

7

C. Tools and Supplies Needed 

8

D. Inspect Fireplace and Components 

8

E. Fireplace System Requirements 

8

3 Framing and Clearances 

A. Fireplace Dimensions 

9

B. Clearances 

10

Minimum Clearances to Combustibles 

10

C. Construct the Chase 

11

D. Frame the Fireplace 

12

E. Secure and Level the Fireplace 

13

F.  Protective Metal Hearth Strips 

14

G. Outside Air Kit 

15

4 Chimney and Termination Requirements 

A. Chimney Requirements 

16

B. Offsets/Returns 

17

C. Termination Requirements 

18

5 Chimney Installation 

A. Typical Chimney System 

19

B. Assemble Chimney Sections  

20

C. Install Chimney Air Kit 

20

D. Secure Offset/Return 

21

E. Install Ceiling Firestops 

21

F.  Install Attic Insulation Shield 

22

G. Roof Penetration 

23

H. Install Chase/Chase Top 

23

I.  Termination Cap Requirements 

24

J.  Install Termination Cap 

24

6 Shrouds 

A. Radiation Shield 

26

B. Field Constructed Shrouds 

26

1. Open Top Shroud  

26

2. Mailbox Style Shroud  

27

3. Roofed Style Shroud 

27

7 Finishing 

A. Finishing Material 

28

B. Hearth Extension, Building and Finishing 

30

1. Fireplace Installed Flush on the Floor and 

  Hearth Extension Raised to Bottom of Firebox 

  Opening 

31

2. Raised Hearth Extension and Raised Fireplace 

32

3. Fireplace Opening and Hearth Extension Flush 

  with the Floor 

33

C. Non-Combustible Sealant Material 

33

D. Mantel and Wall Projections 

34

E. Sidewalls/Surrounds 

34

8 Fireplace Setup 

A. Install Hearth Molded Brick Panel 

35

B. Install Back Molded Brick Panel 

35

C. Install Side Molded Brick Panel 

35

D. Install Screens 

36

E. Install Mortar (Optional) 

36

F.  Grate 

36

G. Gas Log/Lighter Provision 

37

H. Wood Burning Inserts 

37

9 Reference Materials 

A. Chimney Components 

38

B. Optional Components 

42

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Summary of Contents for ASH36

Page 1: ...al for future reference ASH36 NOTICE DO NOT discard this manual DO NOT store or use gasoline or other flam mable vapors and liquids in the vicinity of this or any other appliance DO NOT overfire Overfiring will void your warranty Comply with all minimum clearances to com bustibles as specified Failure to comply may cause house fire WARNING If the information in these instructions is not followed e...

Page 2: ... Outside Air Kit 15 4 Chimney and Termination Requirements A Chimney Requirements 16 B Offsets Returns 17 C Termination Requirements 18 5 Chimney Installation A Typical Chimney System 19 B Assemble Chimney Sections 20 C Install Chimney Air Kit 20 D Secure Offset Return 21 E Install Ceiling Firestops 21 F Install Attic Insulation Shield 22 G Roof Penetration 23 H Install Chase Chase Top 23 I Termin...

Page 3: ...lled Location of Fireplace Installer Dealer Distributor Phone Serial Roof flashing installed Terminations installed Combustible materials not installed in non combustible areas Hearth extension installed per manual requirements Fireplace Setup Section 8 Pg 35 Hearth Home Technologies recommends the following Comments communicated to party responsible 4059 911 Rev A 4 9 18 Verified all clearances m...

Page 4: ...ressed 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 Information A Fireplace Certification WARNING This product and the fuels used to operate this product wood and wood pellets and the products of com bustion of such fuels can expose you to chemicals including carbon...

Page 5: ...er supports chimney not shown Termination cap 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 Combustible framing header on top of V shaped standoffs ...

Page 6: ...ion 3 NOTICE A minimum 1 1 2 in air clearance at the back and a minimum 1 1 2 in air clearance to the sides of the fireplace assembly must be maintained Chimney sections at any level require a 2 in minimum air space clearance between the framing and chimney sections B Design and Installation Considerations NOTICE Check building codes prior to installation Installation MUST comply with local region...

Page 7: ...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 possible Not recommended in basement due to high ne...

Page 8: ...ve 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 Heatilator fireplace sys...

Page 9: ...0 mm 5 in 129 mm 16 1 8 in 408 mm 6 7 8 in 175 mm 11 1 8 in 282 mm Gas Line Knockout 11 in 281 mm diameter 11 in 281 mm 27 1 2 in 699 mm 15 1 2 in 394 mm 31 1 8 in 790 mm 74 TYP 5 in 129 mm 16 1 8 in 408 mm 11 1 8 in 282 mm 6 7 8 in 175 mm 46 7 8 in 1191 mm 36 in 914 mm Gas Line Knockout Outside Air Outside Air 3 Framing and Clearances A Fireplace Dimensions Figure 3 1 Fireplace Dimensions ...

Page 10: ...must comply with all minimum air space clearances to combustibles as specified in Figure 3 2 DO NOT pack required air spaces with insulation or other materials Framing or finishing material used on the front of or in front of the fireplace closer than the minimums listed must be constructed entirely of non combustible materials i e steel studs concrete board etc Failure to comply may cause fire Fi...

Page 11: ...Ceiling Insulation Insulation Storm Collar Figure 3 3 Chase Assembly 1 2 3 All outside walls should be insulated Figure 3 4 Chase Constructions 1 Fireplace and chimney enclosed in an exterior chase 2 Chimney offset through exterior wall and enclosed in chase 3 Chase constructed on roof The chase is constructed using framing materials much the same as the walls in your home A variety of siding mate...

Page 12: ...re 3 5 shows a typical framing using 2 x 4 lumber of the fireplace assuming combustible materials are used All required clearances to combustibles around the fire place must be adhered to See Figure 3 2 Any framing across the top of the fireplace must be above the level of the top standoffs No recess above standoffs The finished cavity depth must be no less than 28 1 2 in 673 mm from the finished ...

Page 13: ... of the fireplace assembly E Secure and Level the Fireplace This fireplace may be placed on either a combustible or noncombustible continuous flat surface Slide the fireplace into position Be sure to provide the minimum 1 1 2 in air clearance at the sides and 1 1 2 in at the back of the fireplace The fireplace should be positioned so the face of the non combustible material on the fireplace will b...

Page 14: ... mm under front edge of fireplace Overlap strips in the middle of fireplace opening by 1 in 25 mm minimum Metal strips must extend beyond the front and sides of the fireplace opening by at least 2 in 51 mm Figure 3 6 Protect the front of a platform elevated above the hearth extension with metal strips not included with fireplace per Figure 3 7 See Section 6 for hearth extension instructions WARNIN...

Page 15: ... inlet hood to prevent blockage from leaves snow ice or other debris Blockages could cause combustion air starvation and unit to overheat Figure 3 8 Outside Air Inlet Locations Figure 3 9 Outside Air Installation Outside air is required to be installed on both sides right side not shown Outlet placed higher than 3 ft below the termination cap Attic space Garage or combustible liquids storage Outle...

Page 16: ...lace 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 Minimum overall straight height 18 ft 5 5 m Minimum height with offset return 18 5 ft 5 64 m Maximum height 90 ft 27 43 m Maximum chimney length between ...

Page 17: ...set and return A B 1 1 4 in 32 mm OVERLAP Figure 4 2 Chimney Offset Return Example Your A dimension from Figure 4 2 is 14 1 2 in 368 mm Using Table 4 3 the dimension closest to but not less than 14 1 2 in 368 mm is 15 3 4 in 400 mm us ing a 30 offset return You determine from the table that you need 36 5 8 in 930 mm Dimension B between the offset and return The chimney components that best fits yo...

Page 18: ... 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 Req...

Page 19: ...ions 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 screws outer pipe only Attic shield 5 Chimney Installation Figure 5 1 Typical Chimney System Guidelines for Chimney System Installation NOTICE C...

Page 20: ...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 depending on your i...

Page 21: ...op of framing Note 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 5 Installing the Ceiling Firestop When offsets and returns are joined to straight pipe s...

Page 22: ...ff any opening around the bottom If you wish to make a custom shield or barrier follow these guidelines Metal is preferred although any material stiff enough to hold back the insulation can be used WARNING Risk of Fire Use of cardboard or other materials that can deflect under humidity or other envi ronmental conditions is not recommended The shield or barrier must be tall enough to extend above t...

Page 23: ...the flashing plate and the roof to a minimum Caulk the flashing plate and roof junction as well as the vertical seam on the flashing All nail heads must be caulked with a roofing sealant Caulk the overlap seam of any exposed pipe sections that are located above the roof line to prevent leaks H Install Chase Chase Top You MUST use a chase top in a chase installation Chase tops may be field construc...

Page 24: ...m Minimum Height 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 11 Installing a TR11 TR11 TV Round Termination Cap Storm Collar Chimney Pipe Chas...

Page 25: ... mm 4 3 4 in 121 mm Figure 5 14 Installing a TCT1175 Terra Cotta Cap Storm Collar Chimney Pipe Chase Top Termination Cap not shown Chase Collar 2 in 51 mm Minimum Height Caulk gaps between storm collar pipe and storm collar chase top Do NOT block air holes 3 clip brackets Slip over chase collar and attach with screws provided Assemble storm collar around extended termination cap pipe once cap is i...

Page 26: ...been tested for HHT fireplace systems 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 Figure 6 2 Open Top Shroud Dimensions TR11 11T TR11 11T TV Min Base Dims in 32 x 32 26 x 26 mm 813 x 813 660 x 660 Radiation Shield Required Radiation Shield Not Required Min Top Dims in ...

Page 27: ...rmination 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 TR11 11T TR11 11T TV Min Base Dims in 34 x 34 mm 864 x 864 Min Height Above Bottom of Termination Cap in 23 mm 584 Min Opening Width in 28 mm 711 Min Opening Height in 1...

Page 28: ...p and sides between the fireplace and drywall to prevent cold air leaks Only non combustible materials may be used to cover the metal fireplace front 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 Continuous non combustible sealant Floor constructed of wood or other combustible material 1 in Micore o...

Page 29: ...in 914 x 965 mm to allow for door installation If Mortar is applied it should be applied after finishing material is installed Mortar will be applied between finishing materials and molded brick edges bottom and sides The seam between finishing materials and firebox top must be sealed with non combustible sealant The surface of the finished hearth extension and the surface of the hearth panel shou...

Page 30: ...hearth extension insulated to a minimum R value of 2 06 The hearth extension material MUST be covered with tile stone or other non combustible material Manufactured hearth materials will usually have a published R value resistance to heat or k value conductivity of heat Refer to the formula in Table 6 1 to convert a k value to an R value Refer to Table 7 2 for hearth extension insulation alternati...

Page 31: ...ve the bottom of the fireplace Finished hearth must NOT extend above this level Noncombustible Framing Material HX4 or equivalent Figure 7 7 Raised Platform Hearth Extension Framing Non combustible Finishing Materials Figure 7 8 Raised Platform Hearth Extension Finishing Figure 7 6 Raised Platform Hearth Extension Detail 1 Fireplace Installed Flush on the Floor and Hearth Extension Raised to Botto...

Page 32: ...en the hearth extension and the front of the fireplace with a bead of non combustible sealant or grout Note The bottom of the fireplace opening is 3 3 4 in 95 3mm above the bottom of the fireplace Finished hearth must NOT extend above this level Bottom of fireplace opening Platform must be built to raise the bottom of the fireplace opening to the level of the desired hearth height Protective Metal...

Page 33: ...stible Finishing Material Protective Metal Hearth Strip 20 in Min Hearth Extension 1 in Micore and 1 2 in Durock or equivalent insulation Finished Floor Note The bottom of the fireplace opening is 3 3 4 in 95 3mm above the bottom of the fireplace Finished hearth must NOT extend above this level Bottom of Fireplace Opening Figure 7 10 Flush Hearth Extension Side View C Non Combustible Sealant Mater...

Page 34: ...n combustible Decorative Facing such as Steel iron brick tile concrete slate glass plasters DO NOT cover any air openings in the face of the fireplace Seal joint with non combustible sealant to prevent heat from being drawn into the wall cavity Figure 7 13 Mantel Specifications 18 1 2 in 470 mm 19 3 4 in 500 mm 4 in 102 mm 5 0 a n g l e 3 9 a n g l e 24 in 610 mm BRICK FRONT FLUSH FRONT 24 in 610 ...

Page 35: ...nockouts in the inner firebox and in the outer shell on the side of your choice Refer to dimension drawings for location of knockouts and Section 7 I for gas provisions Install side panel tapered edge to the front Align the front edge with the front of the column or butted to the surround if installed Install two refractory clips in the mortar lines across the top Tighten these and all previously ...

Page 36: ...Slip the last ring over the rod on the other side of the bracket Fasten the flat end of the screen rod back in place using the screw removed earlier Repeat for the other screen panel E Install Mortar Optional The brick panels have been designed for installation without the use of mortar being necessary If the look of mortar is preferred it is available and can be installed Follow the directions on...

Page 37: ...t can be installed in this fireplace Vented Gas Logs Unvented Gas Logs CAUTION If an unvented gas appliance is installed in the fireplace the gas appliance must only be operated with the fireplace glass door fully open if included Only unvented gas log sets which have been found to comply with the standard for unvented room heaters ANSI Z211 11 2 are to be installed in this fireplace If an unvente...

Page 38: ...30 Chimney Offset Return 30 deg FS538 Ceiling Firestop Straight FS540 Ceiling Firestop 30 deg AS10 Straight Attic Insulation Shield 24 in 610 mm JB577 Chimney Joint Band CB576 Chimney Bracket RF570 Roof Flashing Flat to 6 12 Pitch RF571 Roof Flashing 6 12 to 12 12 Pitch TR11 Round Termination Cap TR11T B Round Telescoping Termination Cap TCT1175 Terra Cotta Termination Cap ST1175 Square Terminatio...

Page 39: ...0 mm JB577 Chimney Joint Band CB576 Chimney Bracket 13 in 330 mm 2 in 51 mm 13 in 330 mm A B 17 in 432 mm RF570 Roof Flashing RF571 Roof Flashing 39 7 8 in 1013 mm 28 in 711 mm 15 1 4in 387 mm 25 1 4 in 641 mm 29 in 737 mm 15 1 4 in 387 mm 21 in 533 mm Inside Diameter 11 in 279 mm Outside Diameter 13 in 330 mm Catalog A B FS538 0 deg 17 in 432 mm FS540 30 deg 26 in 660 mm ...

Page 40: ...land ASH36 Installation Manual 4059 909 Rev D 04 19 40 TR11 Round Termination Cap TR11T Round Telescoping Termination Cap ST1175 Square Termination Cap TCT1175 Terra Cotta Cap 15 3 4 in 400 mm TR TVK CT11 A Adapter ...

Page 41: ...ual 4059 909 Rev D 04 19 41 B A C B C A DTS134 DTS146 DTO134 DTO146 Decorative Caps DTO134 A B C in 34 20 24 mm 864 508 610 DTO146 in 46 22 7 26 mm 1168 576 660 DTS134 A B C in 34 21 18 24 mm 864 538 610 DTS146 in 46 21 18 26 mm 1168 538 660 ...

Page 42: ... d 42 in 1067 mm 6 in 152 4 mm i d ID6 Insulated Duct 6 in 152 mm i d See your Majestic dealer for a complete list of optional components 16 in 406 mm 52 in 1321 mm 1 2 in 13 mm HX3 Hearth Extension 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 ...

Page 43: ...Majestic Ashland ASH36 Installation Manual 4059 909 Rev D 04 19 43 This page intentionally left blank ...

Page 44: ...4 Majestic a brand of Hearth Home Technologies 7571 215th Street West Lakeville MN 55044 www majesticproducts com Please contact your Majestic dealer with any questions or concerns For the location of your nearest Majestic dealer please visit www majesticproducts com ...

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