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Majestic Ashland Series • ASH42 Installation Manual  • 4059-915 • Rev M • 07/20

WOODBURNING FIREPLACE

Fire Risk.

WARNING

For use with solid wood fuel only.

Other fuels may overfire and generate 

poisonous gases (i.e. carbon monoxide).

Model(s):

Installation Manual

Installation and Fireplace Setup

WARNING

HOT SURFACES

Glass and other surfaces are hot during 

operation AND cool down.

Hot glass will cause burns.

• 

DO NOT

 touch glass until it is cooled

•  NEVER allow children to touch glass

•  Keep children away

•  CAREFULLY  SUPERVISE  children  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.

ASH42

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 exactly, a fire 

or explosion may result causing property 

damage, personal injury, or death.

This fireplace uses SL1100 Series Chimney

2” CLEARANCE TO COMBUSTIBLES AND BUILDING INSULATION FROM CHIMNEY REQUIRED.

Installation and service of this appliance should be performed by 

qualified personnel. Hearth & Home Technologies recomends HHT 

Factory Trained or NFI certified professionals.

Summary of Contents for ASH42

Page 1: ...d other flammable materials away INSTALLER Leave this manual with party responsible for use and operation OWNER Retain this manual for future reference ASH42 NOTICE DO NOT discard this manual DO NOT s...

Page 2: ...ey 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 Intall...

Page 3: ...rty responsible Photographing the installation and copying this checklist for your file That this checklist remain visible at all times on the fireplace until the installation is complete Combustible...

Page 4: ...ompressed 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...

Page 5: ...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...

Page 6: ...ing Where the fireplace is to be installed The vent system configuration to be used Gas supply piping Electrical wiring Framing and finishing details Whether optional accessories devices such as a fan...

Page 7: ...t 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 Ins...

Page 8: ...y Remove 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 t...

Page 9: ...in 1343 mm 3 3 4 in 97 mm 38 in 965 mm 54 in 1372 mm 74 1 8 in 1883 mm 97 1 2in 2477 mm 70 3 4 in 1797 mm 16 1 8 in 408 mm 11 1 8 in 282 mm 6 7 8 in 175 mm 5 in 129 mm 37 1 8 in 943 mm 11 in 281 mm 27...

Page 10: ...ire You 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 us...

Page 11: ...n 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 exter...

Page 12: ...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...

Page 13: ...combustible surfaces Protective metal hearth strips MUST be installed Hearth extensions MUST be installed exactly as specified WARNING Risk of Fire Prevent contact with sagging loose insulation DO NOT...

Page 14: ...ng Use 6 in 152 mm flex not supplied to directly connect outside air to fireplace intake Insulate the pipe to prevent frost condensation Use the supplied outside air inlet hoods Seal between the wall...

Page 15: ...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 T...

Page 16: ...offset 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...

Page 17: ...ee 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 decorat...

Page 18: ...ng 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 se...

Page 19: ...h 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...

Page 20: ...top 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 chim...

Page 21: ...e off 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...

Page 22: ...en 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...

Page 23: ...in 51 mm 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...

Page 24: ...ection of pipe must stop between 2 in 51 mm above top of chase and 4 3 4 in 121 mm below top of chase 2 in 51 mm 4 3 4 in 121 mm Storm Collar Chimney Pipe Chase Top Termination Cap not shown Chase Col...

Page 25: ...ve 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...

Page 26: ...Termination Cap Chase Top Radiation Shield 3 in 76 mm Radiation Shield Height Termination Cap Figure 6 4 Roofed Style Shroud Dimensions 3 Roofed Style Shroud Radiation shield required 2 Mailbox Style...

Page 27: ...at the top 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...

Page 28: ...8 in 1067 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 ed...

Page 29: ...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 resist...

Page 30: ...re 7 5 Hearth Extension Construction 1 Fireplace Installed Flush on the Floor and Hearth Extension Raised to Bottom of Firebox Opening Non combustible flooring a minimum of 20 in 508 mm in front of an...

Page 31: ...between 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 fireplac...

Page 32: ...equivalent material Refer to Figure 7 7 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 firepl...

Page 33: ...T 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 10 Mantel Specifications WARNING Risk of Fi...

Page 34: ...Side Molded Brick Panel If a gas line is to be installed remove the knockouts in the inner firebox and in the outer shell on the side of your choice Refer to dimension drawings for location of knocko...

Page 35: ...rod Insert the rod through the hole in the bracket 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...

Page 36: ...lace 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...

Page 37: ...L1130 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...

Page 38: ...10 mm JB577 Chimney Joint Band CB576 Chimney Joint Band 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...

Page 39: ...eries ASH42 Installation Manual 4059 915 Rev M 07 20 TR TVK CT 11A B 15 3 4 in 400 mm TR11 TR444 Round Termination Cap ST1175 ST475 Square Termination Cap TCT1175 Terra Cotta Cap TR11T B Round Telesco...

Page 40: ...ud E D A C B Catalog A B C E E LDS BV in 26 12 5 15 5 22 23 mm 660 318 394 533 584 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...

Page 41: ...ed Duct 42 in 1067 mm 42 in 1067 mm 6 in 152 mm i d ID6 Insulated Duct 6 in 152 mm i d 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...

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Page 44: ...44 Majestic Ashland Series ASH42 Installation Manual 4059 915 Rev M 07 20 Majestic a brand of Hearth Home Technologies 7571 215th Street West Lakeville MN 55044 www majesticproducts com...

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