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Isokern Magnum 86072-60 Installation, Operation And Owner's Manual

Isokern magnum 86072 series fireplace and dm chimney system
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Installation, Operation and Owner's Manual
Important: This manual contains assembly rules, installation steps, guidelines, use and maintenance
instructions for the Magnum 86072 Series fireplace and the DM chimney system. This manual must become
the property of and be reviewed by all current and future users of this product. It is the responsibility of
the general contractor and the installer of this product to ensure that the instructions in this manual are
followed exactly and, further that any allowed gas log appliance used in this product be installed in strict
accordance with NFPA 58, NFPA 54/ANSI Z223.1 and the gas log manufacturer's explicit installation, sizing
and operation instructions. It is the responsibility of the general contractor to provide adequate clearances
from all firebox surfaces as specified in this manual.
Be Sure to Read Entire Manual Before Beginning Construction.
Contents of this manual may change without prior notification.
THIS FIREPLACE IS DESIGNED FOR USE WITH
SOLID WOOD LOGS, PLUMBED PROPANE (LP) OR
WARNING: If the information in this manual is not followed exactly, a fire or explosion may result
causing property damage, personal injury or loss of life.
SBCCI NO. 9626
ICC Report NO. ESR-2316
IBC 2006, IRC 2006, IMC 2006
Isokern ® Magnum ® Fireplace
and DM Chimney System
Magnum Model 86072, 60 & 72
A Product of Earthcore
INSTALLER: Leave this manual with the appliance
CONSUMER: Retain this manual for future reference
NATURAL GAS (NG), ONLY
INTERTEK TESTING SERVICES REPORT NO. 3082504-T1
THIS MANUAL CAN ONLY BE REPRODUCED IN ITS ENTIRETY
NYC-MEA 241-90-E
LA RR NO. 25483
Issued: September, 2012
Revision:
© 2007 Earthcore Industries, L.L.C.

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  • Page 1 Isokern ® Magnum ® Fireplace and DM Chimney System Installation, Operation and Owner’s Manual Magnum Model 86072, 60 & 72 A Product of Earthcore Important: This manual contains assembly rules, installation steps, guidelines, use and maintenance instructions for the Magnum 86072 Series fireplace and the DM chimney system. This manual must become the property of and be reviewed by all current and future users of this product.

  • Page 3: Table Of Contents

    TABLE OF CONTENTS General Information ............................Intended Use Statement ............................Safety Instructions .............................. Warnock-Hersey Listing Label ........................... Assembled Firebox & Smoke Dome Dimensions ....................Component List & Dimensions .......................... Required Clearance to Combustibles ......................... Rough Framing Dimensions & Corner Location Layout ................... Access Modification ............................

  • Page 4: General Information

    General Information The Magnum 86072 Series fireplace and DM chimney The various Magnum 86072 Series fireplace and system is a prefabricated, refractory modular fireplace and DM chimney components will be described and illustrated in chimney system designed for field assembly. The system the following pages.

  • Page 5: Intended Use Statement

    Lite will also require a design that will support the total weight any specific installation requirements. of the Isokern fireplace and chimney system. The FTF-13 or The Magnum 86072 Series fireplace and DM chimney equivalent chimney system only must be used with the Fire- system is tested and listed by Warnock Hersey (Intertek Testing Lite application.

  • Page 6: Safety Instructions

    Magnum 86072 Series fireplace and the Isokern. The facing material cannot be within 1 1/2” to the DM chimney systems unless written authorization is given by fireplace sidewalls.

  • Page 7: Warnock-Hersey Listing Label

    FIGURE 1 Isokern Fireplace and Chimney Systems are tested and listed to UL standards: UL 127, ULC S610, and UL 103HT. The listing label shown in Figure 1 above outlines the listed clearances to combustibles and indicates that the units are suitable for use with solid fuel or listed gas appliances.

  • Page 8: Assembled Firebox & Smoke Dome Dimensions

    Assembled Firebox Dimensions - Model 86072 Top Plan View Right Section Front Elevation Plan Section Model 60” 28” 85 3/4” 41” 69” 55 1/2“ 25 ¼” 4 3/4” 5” 8” 14 1/2” 10 3/4” 55 1/2” 73 1/2” 57 1/4” 81 1/4”...

  • Page 9: Component List & Dimensions

    Part Fireplace Quantity: Part Fireplace Quantity: Size: Size: Isokern reserves the right to make changes at any time, without notice in design, materials, specifications and also to discontinue styles and products. Please call 1-800-642-2920 for an Isokern dealer near you.

  • Page 10: Required Clearance To Combustibles

    Isokern. The facing material cannot be within 1 1/2” to the fireplace sidewalls. Notes: A. The Magnum 86072 Series fireplace must sit upon a concrete support slab designed to bear the total installed weight of the fireplace and DM chimney system.

  • Page 11: Rough Framing Dimensions & Corner Location Layout

    Rough Framing Dimensions Rough Framing Dimensions Model Width Height Depth Model 60 76.5” 87.5” 29.5” Model 72 88.5” 87.5” 29.5” Notes: A. “B” includes the Magnum 86072” 3” thick base plate. “B” is reduced by 3” if the base plate is eliminated to create a “flush hearth”. B.

  • Page 12: Access Modification

    Gas line for gas log sets used in FIGURE 6 the Isokern firebox can be routed through the side wall, by drilling an appropriately sized hole using a masonry drill bit (Figure 7).

  • Page 13: Firebrick Installation

    3. Start the fire brick at the front edge of the floor of the Isokern firebox, proceeding inward toward the back. Let the floor brick gap approximately 1/2” off the back wall and side walls. This air space allows heat expansion of the fire brick and is to be left empty of mortar.

  • Page 14: Flush Wall Finish Detail

    Flush Wall Finish Detail Framing Protrudes Past Firebox Front Damper Beam Behind Noncombustible Facing Material Drywall Flush With Firebox Front With 1 1/2” Clearance To Framing FIGURE 11 FIGURE 12 Magnum 86072 Series fireplaces are designed to be installed so that the rough front face of the firebox and damper beam project into the room approximately one-half inch (1/2”) beyond the face of the rough framing members that create the room’s wall surface.

  • Page 15: Assembly Instructions - 86072-60

    Assembly Instructions - 86072-60 The Magnum 86072 - 60 is a custom unit made of standard parts that are cut and fitted together in the field. The following cut and assembly instructions identify the parts by name and by part number, the quantity required, the field cut dimensions for each modified component and the placement of each part in the assembly.
  • Page 16 Assembly Instructions - 86072 - 60 Step 5: Continue stacking the remaining three courses of back wall. Be sure to reverse the positions of the 38-1/2” # 67 and the 22-1/4” # 67 in each successive course. In this way, the butt joint where the two # 67 components meet are staggered from course to course.
  • Page 17 Please consult your local sales representative for the appropriate damper systems for Magnum 86072-60 Series. Step 10: Damper support (left), part # 94L and damper support FIGURE 25 (right), part # 94R, one each required.
  • Page 18 Assembly Instructions - 60” (cont.) Step 13: Place one modified smoke dome large piece (haunch cut off and a bottom length of 49-3/4" together with another of the smoke dome large pieces that was angle cut to 23 3/4" bottom length and parallel angle) together on the damper support and flush with the back wall of the firebox so that the two smoke dome pieces meet along their field modified cut line.
  • Page 19 Note: The Magnum 86072 - 60 is designed to operate with two flues. The top of the smoke dome allows for the placement of two Isokern Modular Masonry DM chimneys or two solid fuel listed metal chimneys of the appropriate size.

  • Page 20: Assembly Instructions - 86072-72

    Assembly Instructions - 86072-72 The Magnum 86072 - 72 is a custom unit made of standard parts that are cut and fitted together in the field. The following cut and assembly instructions identify the parts by name and by part number, the quantity required, the field cut dimensions for each modified component and the placement of each part in the assembly.
  • Page 21 Assembly Instructions - 86072-72 cont. Next set the 34-1/2” inch cut # 67 piece so that its tongue end interlocks with the side wall component at the opposite end of the base plate. The square cut end of the 34-1/2” # 67 should make a snug butt joint with the square cut end of the 38 1/2”...
  • Page 22 Assembly Instructions - 86072-72 cont. The damper support pair at the front of the firebox opening will be set into the 4” x 6” steel angle from Step 7 (Figure 48). Since the inside corner of the steel angle is rounded, it is a good idea to round the bottom front corner of the damper support to match the steel.
  • Page 23 Assembly Instructions - 86072-72 cont. Step 13: Cut one end of the other two smoke dome top big, part 13, components at an angle parallel to the opposite 2 3/4” end of the piece. The bottom length of the cut piece should measure 35 3/4”.

  • Page 24: Assembly Instructions - 86072-72

    Note: The Magnum 86072 model 72 is designed to operate with two flues. The top of the smoke dome allows for the placement of two Isokern DM chimneys or two solid fuel listed metal chimneys of the appropriate size. Step 22: Top plate part # 77A, two required, to be used “as is”.

  • Page 25: Dm Chimney System - 86072

    DM Chimney System - 86072 22’-0” * NOTE: The maximum installed height of the Isokern DM system on the model 86072 dual chimney system is 22’ without additional structural support. A structural engineer should be consulted for any DM installation over 22’-0”...

  • Page 26: Required Clearances (When Sheathing Protrudes Beyond Front Of Firebox)

    Required Clearances (when sheathing protrudes beyond front of firebox) 1 1/4” 4” FIRE BRICK on SIDE WALLS ONLY FINISHED OPENING 9” 9” FIGURE 62 WOOD (FLAMMABLE) SHEATHING 9” 9” 4” 4” FIGURE 63 Combustible sheathing such as plywood and particle board may be used to cover the front face of the Magnum 86072 smoke dome and be in direct contact with it.

  • Page 27: Required Clearance To Combustible Framing

    (as determined through testing and as stated by the manufacturer) are not maintained due to construction subsequent to the installation of the Isokern unit. It is the general contractor’s responsibility to assure that listed clearances to combustible framing and to insulation are maintained throughout the construction of the project subsequent to the installation of the Isokern unit.

  • Page 28: Required Clearances To Insulation And Vapor Barriers

    If insulation is used in walls surrounding the fireplace, insulation may be installed behind sheathing of gypsom board, plywood, particle board or other material on the side facing the Isokern. The facing material cannot be within 1 1/2” to the fireplace sidewalls.

  • Page 29: Flush Wall Fire Brick Finish Detail

    Flush Wall Fire Brick Finish Detail 1 1/2” Drywall Flush With Firebox Front Noncombustible 9” From Firebox Facing Material Opening 9” 9” FIGURE 68 Recommended Fire Brick Detail: When drywall is the wall finish at the Magnum 86072 face and flush with the rough face of the Magnum 86072 firebox and damper beam, it is recommended when installing the required fire brick lining to the interior of the firebox, that the leading edge of the fire brick - at the floor and at the side walls of the firebox - be set flush with the Magnum’s rough firebox front.

  • Page 30: Flush Wall Brick Finish Detail

    Flush Wall Brick Finish Detail Ensure There Are No Gaps Between Firebox and Facing Material Avoid False Chimneys FIGURE 69 Important: Since there is no fire brick set along the top of the Magnum’s firebox opening, when setting the noncombustible finished facing material (code required and supplied by others) across the top of the firebox opening there may be a gap between the back of the noncombustible finish material and the rough front face of the Magnum 86072 damper beam.

  • Page 31: Interior Masonry Veneer Fireplace Finishes & Clearances

    4” Fire Brick Sidewalls ENDS OF ISOKERN FIREBOX UNIT AND MASONRY VENEER STEEL L ALIGN 2" MIN. 6" FIGURE 70 4" 4x6 STEEL L ALIGN ALIGN 2" 4" MINIMUM BEARING CLEARANCE ISOKERN UNIT WIDTH DIM'N. EXTENT OF STEEL L FIGURE 71...

  • Page 32: Masonry Veneer Construction Details

    Masonry Veneer Construction Details Brick, stone or other masonry veneer finished fronts to the Magnum series 86072 fireplaces are possible. Special attention is required with regards to: (1) the placement of the proposed masonry veneer facing, its interface with the Magnum 86072 fire brick lining, and WOOD (FLAMMABLE) SHEATHING (2) the masonry veneer and clearance to combustible framing and...

  • Page 33: Non Combustible Finished Facing Requirements & Clearance To Combustible Trim

    Non-combustible Finished Facing requirements & Clearance to Combustible Trim Hearth Extensions: All Magnum 86072 Series fireplaces shall have hearth COMBUSTIBLE 12" extensions of brick, concrete, stone, tile or other code approved MANTLE SHELF noncombustible material. Suitable hearth extension material for the Magnum 86072 Series fireplace shall be placed on the hearth extension’s noncombustible substrate and must extend to at least thirty three inches (33”) in front of the fireplace’s finished...

  • Page 34: Concrete Support

    1. Slab on grade: standard residential, minimum four inch (4”) thick, 2500 psi concrete foundations on properly compacted fill. This type foundation can support Isokern installations up to thirty feet (30’) overall height (brickledge installations not included). (Figure 76). 2.Slab-on-grade foundations, thickened and reinforced: for...

  • Page 35: Dm Chimney System

    If insulation is used in walls surrounding the fireplace, insulation may be installed behind sheathing of gypsom board, plywood, particle board or other material on the side facing the Isokern. The facing material cannot be within 1 1/2” to the fireplace sidewalls. Mechanical Vent Systems:...

  • Page 36: Component List & Dimensions

    DM Chimney Component List & Dimensions ” 12” High 1 ¼ Small ” Inner Liner Crown Cap 3 ” 6 ” 6” High Inner Liner 1 ¼ ” Large 3 ” Crown Cap ” Outer Casing 6 ” 3 ” Offset Brickledge Block...

  • Page 37: Component Weights

    Isokern is not responsible for site specific structural support details and load specifications for Magnum 86072 Series fireplace and DM chimney system installations. Consult local structural...

  • Page 38: Dm Installation

    DM Chimney Alignment: Where the chimney run is to be a straight vertical run the DM outer casing block sits directly onto the Isokern smoke dome lid. The DM outer casing block, properly set is intended to be flush with the back face of the firebox smoke dome assebly.

  • Page 39: Lateral Support

    DM Chimney System: Lateral Support After setting the DM inner liner starter piece, apply Fasten the perpendicular member with two 16d common mortar to the top of the starter liner. Continue the straight nails to each intersecting truss or rafter. The perpendicular chimney run by placing a full height inner liner onto the six inch bracing should be installed on the top side the ceiling level (6”) starter liner.
  • Page 40 DM Chimney System: Lateral Support (cont.) FIGURE 81 FIGURE 82...

  • Page 41: Offset Block

    All support columns must bear onto proper noncombustible foundations. Isokern Offset Chimney Block Installation: Isokern offset chimney blocks are stacked in a stair step fashion with each successive block overhanging the previous offset block by three inches (3”), allowing the flue to rise at an angle of thirty (30°) degrees off of vertical.
  • Page 42 DM Chimney System: Offset Block (cont.) With straight chimneys the front of the DM outer casing block sits approximately three and three-quarters inch (3- 3/4”) back from the front of the smoke dome. This allows for a nominal 4” thick wall to be flush with the room side face of smoke dome assembly while the DM chimney passes up the backside of the wall.

  • Page 43: Offset Block

    The total chimney weight above the last offset block will be the total weight of the vertical chimney plus any additional allowable loads such as the Isokern brickledge, its related brick or stone veneers, and any crown caps, clay pots or other masonry chimney terminations.

  • Page 44: Brick Ledge

    Temporarily leave out the inner liner that fits this outer casing block. Set the Isokern brickledge onto the flat top surface of the outer casing in a full bed of Earthcore Mortar. Be sure to align the four 2-1/2” holes in the brickledge with the matching holes in the outer casing block below it.

  • Page 45: Brick Ledge Installation

    All DM chimneys that include the DM brickledge must be reinforced as described above. CAUTION: When using the Isokern brickledge it is required that the Magnum 86072 firebox/smoke dome assembly include the placement of a 4” by 4” by 3/8” minimum steel angle across the firebox opening.

  • Page 46: Brick Ledge Load Capacity

    Brickledge Veneer Finish and Flashing Details: When applying brick, stone or other masonry veneer to the Isokern brickledge standard good building practices for masonry veneer work should govern weather-proofing details and the placement of flashings. A typical flashing detail would be to field fabricate an aluminum or galvanized sheet metal flashing, approximately thirty-two inches (32”)square with a twenty inch (20”) square...

  • Page 47: Crown Caps

    The small crown cap is intended for use where DM chimneys are to receive thin veneers and cultured stone that do not require the installation of the Isokern brickledge. The small crown cap is also suitable where DM chimneys are to receive a stucco finish.

  • Page 48: Chimney Height Requirements

    CRICKET Chase enclosures need to be built to local wind load requirements SECTION and shall be structurally independent of the Isokern chimney. As THRU ROOF with all chimney installations, avoid overhead obstructions such as trees, power lines, etc.

  • Page 49: Structural Information

    Structural Information FRONT DAMPER The Magnum 86072 firebox/smoke dome assembly BEAM has a load capacity that allows for the fireplace system to carry a limited amount of straight, vertical DM chimney sections. The load capacity for the 86072, stated as maximum DM chimney heights without additional structural support is as follows: Magnum 86072: Max.

  • Page 50: Common Chimney Terminations

    Common Chimney Terminations Two chimney terminations are offered by Isokern, the DM large crown cap and the DM small crown caps. These are cement crown caps designed to provide a weather cap to the DM chimney system. Their design is typical of the cement caps found on traditional masonry chimneys.

  • Page 51: Class A Metal Flue

    Class “A” (solid fuel) chimneys as an option. Any Class “A” or UL 103 listed metal chimney system is accetable for use on an Isokern system. (Figure 106) Class “A” Metal Flue Types: The selected factory-built metal chimney for use with...

  • Page 52: Summary

    2. Magnum 86072 Series 86072 fireplace and Fire-Lite Fire- 3. Log grates are required for burning solid fuel in the place Curing Isokern fireplace. Grates allow for easy air flow up through Instructions: the burning logs thus creating a more complete and efficient It is critical that the Isokern masonry elements in the burning of the fuel.

  • Page 53: Summary

    Isokern does not limit the use of fireplace screens. In either case, cover the fireplace opening with a damp sheet (sealed to the opening with masking tape) before brush cleaning.

  • Page 54: Registration

    Gas Log Burner Size: (Circle One) 24” 30” Other__________ Fireplace Series/Size: Magnum _____ Isokern Standard _____ IBV ______ Vent-Free _____ Green Tech _____ ISO’ven _______ Fire-Lite Stand? (Circle One) Gas Control Valve Type: (Circle One) Remote Control Safety Pilot Gas Type: (Circle One)
  • Page 55 Notes...
  • Page 56 ISOKERN is not responsible for misuse or mishandling of components. Nothing in this warranty makes ISOKERN, or any division thereof, liable in any respect for any injury or damage to the building or structure in which the fireplace or chimney system has been installed or to persons or property therein arising out of the use, misuse, or installation of properly manufactured ISOKERN product.

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Magnum 86072-72

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