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Heatilator • LM42 • Installers Manual • 4087-901 • Rev A • 04/14/16

NOTICE:

Chimney sections cannot be disassembled once

locked together. Plan ahead!

• Lock chimney sections and/or offsets/returns together by

pushing downward until the top section meets the stop

bead on the lower section.

• Pull on the top of each section as installed to make sure

it is fully engaged and will not separate.

• You may use #6 or #8 sheet metal screws no longer

than 1/2 in. (13 mm) to fasten chimney outer sections

together. Do NOT penetrate inner flue.

• 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.

Attach either a straight chimney section or an offset to the

top of the fireplace starting with the inner flue followed by

the outer casing. Continue this order until termination cap

is reached (depending on your installation requirement).

Chimney sections are locked together by pushing down

ward until the top section meets the stop bead on the lower

section.

The inner flue is placed to the inside of the flue section be

low it. The outer casing is placed outside the outer casing

of the chimney section below it. See Figure 5.3.

WARNING! Risk of Fire! DO NOT

install substitute or

damaged chimney components.

Figure 5.3 Assembling Chimney Sections

C. Secure Offset/Return

When offsets and returns are joined to straight pipe sec

tions, they must be locked into position with the screws

(outer only). To prevent the chimney sections from from

pulling apart, the returns and the chimney stabilizers have

hanger straps for securing these parts to joists or rafters.

See Figure 5.4.
* Use # 6 or # 8 sheet metal screw, or larger, no longer

than 1/2 in. (13 mm).

WARNING! Risk of Fire!
• Secure offsets with screws (not to exceed 1/2 in./13 mm

In length).

• Secure returns with strapping.

• Straight chimney sections may be secured with screw

(not to exceed 1/2 in./13 mm In length) at the joints.

• Keep chimney sections from separating or twisting.

Ceiling

Firestop

Straps

Optional

Additional

Support

Joint

Band

(Optional)

Figure 5.4 Secure the Chimney

Section 5

Содержание LM42

Страница 1: ...es and other flammable materials away INSTALLER Leave this manual with party responsible for installation and operation OWNER Retain this manual for future reference LM42 LM42 SS NOTICE DO NOT discard...

Страница 2: ...the Fireplace 16 E Secure and Level the Fireplace 16 F Protective Metal Hearth Strips 17 G Outside Air Kit required 18 H Non Combustible Facing Material Installation 19 4 Chimney and Termination Requ...

Страница 3: ...Explosion Failure to install fireplace acording to these instructions can lead to a fire or explosion Manual bag and all of its contents are removed from the fireplace and given to the party responsi...

Страница 4: ...e Risk WARNING TO AVOID THE RISK OF DAMAGING FIREPLACE MA TERIALS AND INCREASING THE RISK OF SPREAD ING A FIRE DO NOT USE THE FIREPLACE TO COOK OR WARM FOOD WARNING THIS FIREPLACE MAY BE INSTALLED IN...

Страница 5: ...hanger straps Support straps on rafter supports chimney not shown Attic insulation shield must be used to keep insulation away from chimney if attic is insulated Ceiling firestop on floor of attic Fr...

Страница 6: ...ne Avoid outside wall Marginal Location Wind loading possible Not recommended in basement due to high negative pressure concerns that effect draft Figure 2 2 Recommended Chimney Locations Sections 4 a...

Страница 7: ...Locations NOTICE Illustrations and photos reflect typical installations and are FOR DESIGN PURPOSES ONLY Illustrations diagrams are not drawn to scale Actual installation appearance may vary due to i...

Страница 8: ...us tible surface Locate cooling air inlet to prevent blockage from leaves snow ice or other debris Blockages could cause the unit to overheat Cooling air can be provided by cutting a 6 in hole in the...

Страница 9: ...t FREESTANDING INSTALLATION COOLING AIR REQUIRED Figure 2 5 Freestanding Fireplace Locations Outdoors LM42 SS only Note If this surface is inside the building s warm air envelope then this surface mus...

Страница 10: ...stall dam aged incomplete or substitute components CAUTION Risk of Cuts Abrasions Wear protective gloves and safety glasses during installation Sheet metal edges are sharp 1 Unpacking a Remove the car...

Страница 11: ...the smaller weight assembly 8 weights Double check both sides to make sure the snap rings are all straight up j Reinstall the side cover access panel i Nailing flanges should go on opposite as the di...

Страница 12: ...901 Rev A 04 14 16 12 3 Framing and Clearances Figure 3 1 Fireplace Dimensions A Appliance Diagrams Dimensions are actual appliance dimensions Use for reference only For framing dimensions and cleara...

Страница 13: ...l studs concrete board etc Failure to comply may cause a fire Figure 3 2 Clearances to Combustible Materials Minimum Clearances to Combustibles WITHIN ENCLOSURE AREA Standoffs to backwall 0 in 0 mm St...

Страница 14: ...h Opening Height Rough Opening Depth Rough Opening Width Clearance to Ceiling Combustible Floor Minimum Hearth Depth Standoff Behind Appliance Standoff Side of Appliance Inches 14 1 2 60 1 4 24 65 1 2...

Страница 15: ...ion in the outside walls of the chase Attic Insulation Shield Chimney Ceiling Firestop Tabs False Ceiling False Ceiling Insulation Insulation Storm Collar Figure 3 4 Chase Assembly 1 2 3 All outside w...

Страница 16: ...nished cavity depth must be no less than 24 in 610 mm from the finished backwall to the outside of front wall framing CAUTION Risk of Cuts Abrasions Wear protective gloves and safety glasses during in...

Страница 17: ...When the fireplace opening is elevated more than 12 in 305mm above the hearth extension protect the joint of the hearth extension and wall with metal hearth strip Seal with grout mortar or high temper...

Страница 18: ...etween the wall and the pipe with silicone to prevent moisture penetration and air leaks Seal between the outside air inlet hood and the house with silicone to prevent air infiltration WARNING Risk of...

Страница 19: ...e the top board down the front of the unit and behind the flanges around the opening of the fireplace Secure the board to the fireplace at the predrilled holes with the 1 1 4 inch screws provided Atta...

Страница 20: ...aximum unsupported chimney above roof 6 ft 1 83 m Freestanding Unit using 1 SL348 8 ft 8in 2 64 m WARNING Risk of Fire You must maintain 2 in 51 mm air space clearance to insulation and other combusti...

Страница 21: ...rom 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 14 1 2 in 368 mm us ing a 30 offset return You determine from the table that you need...

Страница 22: ...must extend 2 ft 6 m above any portion of the roof or adjacent structures within 10 ft 3 m of the chimney Figure 4 3 Multiple Chimney Locations C Termination Requirements Install a cap approved and l...

Страница 23: ...onal support for tall chimneys Install roof flashing according to minimum requirements Maintain minimum clearances to combustibles as specified Offsets returns may not exceed 30 from vertical Lock chi...

Страница 24: ...y pushing down ward until the top section meets the stop bead on the lower section The inner flue is placed to the inside of the flue section be low it The outer casing is placed outside the outer cas...

Страница 25: ...penetrates a ceiling floor Mark and cut an opening in ceiling floor as shown in Figure 5 5 Frame the opening Nail the firestop to the bottom of the ceiling floor joists Provide a means to maintain the...

Страница 26: ...or other envirornmental conditions is not allowed The shield or barrier must be tall enough to extend above the insulation and prevent blown in insulation from spilling into the cavity Maintain speci...

Страница 27: ...e thimble using the screws provided with the extension Install the thimble assembly and nail screw it securely to the framing members Center the flashing over the chimney and fasten it appropriately t...

Страница 28: ...down Drip Edge Chase 2 in 51 mm Collar on Chase Top 018 26 ga min Galvanized Chase Top Figure 5 10 Chase Top Construction H Install Chase Top WARNING Risk of Fire DO NOT caulk the pipe to the chase t...

Страница 29: ...s 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...

Страница 30: ...in 51 mm Minimum Height Remove 2 screws from front back to lift the top off Place waterproof sealer under each flange of the termination cap and on top of each screw to help prevent leaks The last sec...

Страница 31: ...designs with multiple terminations contact your authorized HHT dealer 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...

Страница 32: ...Top Radiation Shield 3 in 76 mm Radiation Shield Height Termination Cap 3 Roofed Style Shroud Radiation shield required 2 Mailbox Style Shroud Radiation shield required TR344 TR342 B TR342 B TR344 wit...

Страница 33: ...terial not only includes the decorative finish materials marble tile slate etc but also the thin set lath and adhesive used to attach the decorative finish material Finishing Materials Finish and Seal...

Страница 34: ...t of using one or more sources of material as long as the R value is attained See Table 7 2 and Figure 7 3 Refer to Table 7 2 for hearth extension insulation alternatives NOTICE Hearth Home Technologi...

Страница 35: ...al such as metal framing or equivalent material and sitting on 1 2 in Micore or other material with an R value of 1 03 When creating the platform allow for the thickness of the non combustible finishe...

Страница 36: ...the fireplace opening Combustible trim must not cover the metal surfaces of the fireplace Figure 7 5 Mantel Specifications 36 in 914 mm minimum from fireplace opening to ceiling Combustible Wall 2 x...

Страница 37: ...nts 1 in scale A Fireplace Opening B Outside Dimensions in 42 62 mm 1067 1575 LM42 Model D Sidewalls Surrounds Locate adjacent combustible sidewalls a minimum of 12 in 305 mm from fireplace opening Ma...

Страница 38: ...DUCE RISK OF FIRE OR INJURY DO NOT INSTALL AN UNVENTED GAS LOG SET INTO THIS FIREPLACE CAUTION Risk of Fire WHEN USING THE DECORA TIVE LOG SET THE FIREPLACE DAMPER MUST BE SET IN THE FULLY OPEN POSITI...

Страница 39: ...914 mm long SL348 Chimney Section 48 in 1219 mm long SL3 Chimney Stabilizer SL315 Chimney Offset Return 15 deg SL330 Chimney Offset Return 30 deg FS338 Ceiling Firestop Straight FS339 Ceiling Firestop...

Страница 40: ...int 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...

Страница 41: ...stallers Manual 4087 901 Rev A 04 14 16 41 TR344 Round Termination Cap TR342 B Round Telescoping Termination Cap ST375 Square Termination Cap TS345 TS345P Square Termination Cap 15 3 4 in 400 mm TCT37...

Страница 42: ...ual 4087 901 Rev A 04 14 16 42 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 34 in 864 mm 21 3 16 in 538 mm DTS134 24 in 610 mm 21 3 16 in 538 mm 46...

Страница 43: ...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 16 in...

Страница 44: ...Heatilator a brand of Hearth Home Technologies 7571 215th Street West Lakeville MN 55044 www heatilator com Please contact your Heatilator dealer with any questions or concerns For the location of yo...

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