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Heat & Glo • EM-42 • 28324 Rev U • 02/07

18

B. Using Offsets/Returns

To bypass any overhead obstructions, the chimney may be
offset using an offset/return.

An offset and return may be attached together or a chimney
section(s) may be used between an offset and return.

Perform the following steps to determine the correct chim-
ney component combination for your particular installation:

•

Measure how far the chimney needs to be shifted to enable
it to avoid the overhead obstacle. See Figure 5.3. Use
dimension “A” to determine chimney section required to
achieve the needed shift.

• After determining the offset dimension, refer to Table 5.2

and

¿

nd the “A” dimension closest to but not less than the

distance of shift needed for your installation.

• The “B” dimension that coincides with the “A” dimension

represents the required vertical clearance that is needed
to complete the offset and return.

• Read across the chart and

¿

nd the number of chimney

sections required and the model number of those particular
chimney parts.

•

Whenever the chimney penetrates a

À

oor/ceiling, a ceiling

¿

restop must be installed.

•

The effective height of the

¿

replace assembly is measured

from the base of the

¿

replace to the top of the starter collar.

See Dimensions in Section 12.

Table 5.2

A

B

1-1/4 in. (32 mm)

OVERLAP

Figure 5.3

Chimney Offset/

Return

Fire Risk

• Draft will be restricted if offset/returns

greater than 30° are used.

WARNING

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

-

-

-

-

-

4-1/2

114

23-5/8 600

8-1/2

216

23-3/4

603

-

1

-

-

-

-

5-3/4

146

28-1/4 718

10-1/4

260

27

686

1

1

-

-

-

-

6

152

29-3/8 746

11-1/2

292

29

737

-

-

1

-

-

-

7-1/4

184

34

864

13-1/4

337

32-1/8

816

-

2

-

-

-

-

7-3/4

197

36-1/8 918

14-1/2

368

34-1/8

867

-

-

-

1

-

-

8-3/4

222

39-3/4 1010

16-1/4

413

37-3/8

949

1

-

-

1

-

-

10-3/8

264

45-5/8 1159

19-1/4

489

42-1/2

1080

-

-

2

-

-

-

10-5/8

270

46-3/4

1187

20-1/2

521

44-5/8

1133

-

-

-

-

1

-

11-7/8

302

51-3/8 1305

22-1/4

565

47-3/4

1213

1

-

-

-

1

-

13-1/2 243

57-1/4 1454

25-1/4

641

52-7/8

1343

-

-

-

2

-

-

13-3/4 349

58-3/8 1483

26-1/2

673

55

1397

-

-

-

-

-

1

15

381

63

1600

28-1/4

718

58-1/8

1476

1

-

-

-

-

1

16-1/2 419

68-3/4 1746

31-1/4

794

63-1/4

1607

-

1

-

-

-

1

18

457

74-5/8 1895

34-1/4

870

68-1/2

1740

-

-

1

-

-

1

19-5/8 498

80-3/8 2042

37-1/4

946

73-3/4

1873

-

-

-

1

-

1

20-5/8 524

84-1/8 2137

39-1/8

994

76-7/8

1953

1

-

-

1

-

1

22-3/4 578

91-7/8 2334

43-1/4

1099

84-1/8

2137

-

-

-

-

1

1

24

610

96-1/2 2451

45-1/8

1146

87-1/4

2216

1

-

-

-

1

1

25-7/8 657

103-1/2 2629

49-1/4

1251

94-1/2

2400

-

-

-

-

-

2

Proper assembly of air-cooled chimney parts result in an overlap at chimney joints of 1-1/4 in. (32 mm). Effective
length is built into this chart.

Example:

Your “A” dimen-

sion from Figure 5.3 is
14 1/2 in. (368 mm). Using
Table 5.2 the dimension
closest to, but not less
than 14 1/2 in. (368 mm)
i s 1 4 1 / 2 i n . ( 3 6 8 m m )
using a 30° offset/return.
It is then determined from
the table that you would
need 34 1/8 in. (867 mm)
(Dimension “B”) between
the offset and return. The
chimney component that
best

¿

ts your application is

one SL324.

«
...
16
17
18
19
20
...
»

Summary of Contents for EM-42

Page 1: ...URNS MAY RESULT CLOTHING IGNITION MAY RESULT WARNING Keep children away CAREFULLY SUPERVISE children in same room as replace Alert children and adults to hazards of high temperatures Keep clothing furniture draperies and other combustibles away Glass and other surfaces are hot during operation and cool down Fire Risk For use with solid wood fuel or decorative gas appliance only Do not install unve...

Page 2: ...tion The model information regarding your speci c replace can be found on the rating plate located on the smoke shield of the replace Congratulations FIREPLACE NO MODEL NO MODEL NO MFG DATE WARNING RISK OF FIRE DAMAGE REPLACE GRATE WITH HEARTH HOME TECHNOLOGIES INC FIRECHAMBER INTENDED FOR USE WITH HEARTH HOME TECHNOLOGIES INC LISTED FIREPLACE PARTS SEE INSTALLATION AND OPERATING INSTRUCTIONS FOR ...

Page 3: ...Chimney 20 6 Complete the Enclosure 21 A Chimney Termination 21 B Chase Top 22 C Install the Termination Cap 22 7 Accessories 24 A Side Brick Installation 24 B Gas Log Lighter Provisions 24 C Installation of Fan 25 8 Finishing 26 A Hearth Extension 26 B Finishing Material 27 C Mantel 27 D Sidewalls Surrounds 27 E Glass Doors 27 9 Operating Instructions 28 A General Information 28 B Outside Air 29 ...

Page 4: ...ecorative re place It should not be factored as a primary heat source in residential heating calculations Improper installation adjustment alteration service or maintenance can cause injury or property damage Refer to the owner s information manual provided with this replace For assistance or additional information consult a quali ed installer service agency or your dealer WARNING Fire Risk Do not...

Page 5: ... the replace Avoid installing the replace near doors walkways or small isolated spaces Recessed lighting should be a sealed can design attic hatches weather stripped or sealed attic mounted duct work and air handler joints and seams taped or sealed Basement installations should be avoided due to stack effect Stack effect creates negative pressure in lower levels Hearth Home Technologies recommends...

Page 6: ... the highest part of the roof This minimizes the effects of wind turbulence Be located away from trees adjacent structures uneven roof lines and other obstructions Offsets can restrict draft so their use should be minimized Consider the replace location relative to Àoor and ceiling and attic joists Recommended Location Marginal Location Location Not Recommended Recommended Location Multi level Roo...

Page 7: ...ecting 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 spacers Chimney system Attic insulation shield not shown must be used...

Page 8: ...TION E Inspect Fireplace and Components Carefully remove the replace and components from the packaging The 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 bene t Fire Risk Explosion ...

Page 9: ...mm B 25 5 8 in 651 mm B 25 5 8 in 651 mm A B Figure 3 1 Fireplace Locations Fire Risk Provide adequate clearances Around air openings To combustibles For service access Locate replace away from traf c areas WARNING Note Illustrations and photos reÀect typical installations and are FOR DESIGN PURPOSES ONLY Illustrations diagrams are not drawn to scale Actual installation appearance may vary due to ...

Page 10: ... 51 mm min 2 in min 51 mm Must have 2 in 51 mm minimum clearance to header 0 in to floor 2 in 51 mm min 2 in 51 mm min 2 in 51 mm min 2 in 51 mm min Figure 3 2 Clearances to Combustible Materials Fire Risk Comply with all minimum clearances to combustibles as speci ed Framing or nishing material used on the front of or in front of the appliance closer than the minimums listed must be constructed e...

Page 11: ...ls are used All re quired clearances to combustibles around the replace must be adhered to See Figure 3 2 Any framing across the top of the replace must be above the level of the top standoffs 18 1 2 in 470 mm 53 deg 12 in 305 mm 39 deg 4 in 102 mm Brick Front Flush Front 12 in 305 mm 14 1 2 in 368 mm 43 1 4 in 1099 mm framing 36 in 914 mm opening Figure 3 3 Sidewalls and Surrounds 25 5 8 in 651 m...

Page 12: ... False Ceiling False Ceiling Insulation Insulation Figure 3 5 Chase Assembly F Chimney Requirements When planning your replace location the chimney con struction and necessary clearances must be considered The replace system and chimney components have been tested to provide Àexibility in construction Vertical distances are measured from the base of the replace as shown in Figure 5 2 1 2 3 All out...

Page 13: ...upplied with this replace Using an outside air kit is highly recommended to minimize the effects of negative pressure within the structure We recommend you utilize the shortest duct run to optimize the performance of the outside air kit Cold air Àow can be minimized by put ting a small dip in the duct creating a cold air trap This trap can also help prevent heat build up and exhausting out the int...

Page 14: ...entilated crawl space YES NO NO NO NO Use only duct materials specified by manufacturer preferably with short run or mainly straight duct except small dip for cold air trap which will help prevent flow of cold air Factory built fireplace Figure 4 3 Outside Combustion Air Placement 3 ft min from top of uppermost chimney section to air inlet Attic insulation shield must be used to keep insulation aw...

Page 15: ...tform must be protected with a protective metal hearth strip as shown in Figure 4 6 Raised Platform Floor 2 in 51 mm 1 in 25 mm min overlap 2 in 51 mm Top piece must overlap bottom piece Figure 4 6 Protect the Front of an Elevated Platform Level the Fireplace Level the replace side to side and front to back Shim with noncombustible material such as sheet metal as necessary Secure the replace using...

Page 16: ...pport 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 chimney sections together firmly to resist movement Ceiling firestops are required where chimney passes through ceiling or floor Support straps for offsets returns must be secured to adequate framing Terminatio...

Page 17: ...x unsupported chimney above roof 40 in 1016 mm Effective Height Figure 5 2 Chimney Requirements Table 5 1 Do NOT connect this fireplace to a chimney flue servicing another appliance Do NOT connect to any air distribution duct or system CAUTION Fire Risk Must maintain 2 in 51 mm air clearance to insulation and other combustible materials WARNING HEIGHT OF CHIMNEY COMPONENTS in mm Chimney Stabilizer...

Page 18: ...gree 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 1 2 114 23 5 8 600 8 1 2 216 23 3 4 603 1 5 3 4 146 28 1 4 718 10 1 4 260 27 686 1 1 6 152 29 3 8 746 11 1 2 292 29 737 1 7 1 4 184 34 864 13 1 4 337 32 1 8 816 2 7 3 4 197 36 1 8 918 14 1 2 368 34 ...

Page 19: ... pipe during con struction and check to be sure inadvertent loading has not dislodged the chimney section from the replace or at any chimney joint Note Inner Àue and outer liner sections cannot be disas sembled once locked together Plan ahead to ensure the proper installation height is achieved with the selected chimney components Ceiling restop must be used at ceiling Àoor Chase construction requ...

Page 20: ...himney When offsets and returns are joined to straight pipe sections they must be locked into position with the screws provided outer only using the predrilled holes To prevent gravity from pulling the chimney sections apart the returns and the chimney stabilizers have hanger straps for securing these parts to joists or rafters See Figure 5 8 or equivalent 6 or 8 sheet metal screw no longer than 3...

Page 21: ...e plugged by snow or other material Must terminate at least 3 ft 914 mm above the roof and at least 2 ft 610 mm above any portion of the roof within 10 ft 3 05 m Must be located away from trees or other structures Mark the Exit Point of the Roof Locate the point where the chimney will exit the roof by plumbing down to the center of the chimney Drive a nail up through the roof to mark the center Se...

Page 22: ...on allows sparks heat and embers to escape WARNING C Install the Termination Cap For installations utilizing a TR342 Round Telescoping Termination Cap the uppermost chimney section must be below the top of the chase top but not more than 14 1 2 in 368 mm below the top of the chase top Minimum overlap of chimney and termination cap must be 1 1 2 in 38 mm See Figure 6 6 Install the chimney sections ...

Page 23: ...p See Figure 6 7 For installations utilizing a TS345 TS345P Square Termination Cap the uppermost chimney section must not be more than 3 in 76 mm below the chase top See Figure 6 8 For installations utilizing a TCT375 Terra Cotta Cap the last chimney section must be between 7 in 178 mm below the chase top and 2 in 51 mm above See Figure 6 9 For chase installations you can use a TR344 Round Termina...

Page 24: ...lation 7 7 Accessories A Side Brick Installation Remove side brick pieces from inside of replace Set bottom of brick into lower brick support three pieces per side See Figure 7 1 Bend upper brick support up just enough to pivot brick under channel Push upper brick support down over brick until it bottoms out in the channel Repeat procedure for other side CHANNEL UPPER BRICK LOWER BRICK SUPPORT SUP...

Page 25: ...e Route cord away from appliance Do NOT route cord under or in front of appliance CAUTION Note If a speed control option is desired it is recommended that you use the BC10 Motor Speed Control Kit supplied with the replace to ensure proper functioning Refer to the instructions packed with it for proper installation C Installation of Fan The EM 42 is a heat circulating replace that comes equipped wi...

Page 26: ...ute materials for the factory available hearth ex tensions see Figure 8 3 and calculate insulation alterna tives as per Table 8 1 and the following formulas Thermal conductivity per inch thickness k k BTU inch foot2 hour F Required thickness Rk Thermal resistance per inch thickness r r foot2 hour F BTU inch Required thickness R rB 16 in min 406 mm 36 in 914 mm 8 in 203 mm 8 in 203 mm 52 in 1321 mm...

Page 27: ...lls Surrounds Fire Risk Do NOT obstruct air inlet or outlet grilles Do NOT modify grilles Modifying or covering grilles could cause temperature rise and re hazard Finishing materials must not interfere with Air Àow through grilles or louvers Operation of louvers or doors Access for service WARNING C Mantel A combustible mantel may be positioned no lower than 16 in 406 mm above the top of the repla...

Page 28: ...d operation of the replace Make certain that installation and operation of the replace system is in accordance with these instructions It is extremely important that the re be supervised when ever the replace is in use It is also recommended that an annual inspection be performed on the replace system to determine if the Àue system needs to be cleaned or as in the case of any appliance if minor re...

Page 29: ...ith tightly sealed doors and windows are relatively air tight In this case an outside air source must be made available to feed combustion air from outside the home An outside air control handle allows you control of the out side air inlet if your replace is equipped with this option Use of outside air for combustion is highly recommended to conserve heated air within the structure and to provide ...

Page 30: ... it in the replace and try to burn it This sounds ridiculous but that is exactly what you are doing if you burn unseasoned wood Fire Risk Use only factory installed integral grate May cause over re WARNING Seasoning Seasoned rewood is nothing more than wood that is cut to size split and air dried to a moisture content of around 20 The time it takes to season wood varies from around nine months for...

Page 31: ...s to be burned from the replace and the refractory and paint to cure You may notice an industrial odor the rst few res This is consid ered normal Note When rst lighting your replace it may be neces sary to pre warm the Àue to establish a draft This is done by holding a rolled up piece of burning newspaper under the Àue damper for a few moments This will help reduce smoke spillage during start up O...

Page 32: ...t sealing construction of the structure or mechan ical exhausting devices which will create a negative air pres sure within the structure where the replace is located A Understanding Vent Problems If smoke spillage occurs from a replace opening when the door is open and the proper chimney height Àue size and con guration requirements for the installation have been met there is either a leakage in ...

Page 33: ...himney Down draft from chimney temperature or from negative house pressure Does the kindling wood not ignite Condition amount arrangement of kindling and fuel Use more drier well spaced kindling and fuel Does the kindling ignite but the fuel doesn t Amount of kindling Use more kindling use smaller dry wood Condition of fuel Does the fuel ignite but not burn well Condition of fuel Use well seasoned...

Page 34: ...ire too close to front Build re farther back Do not use exhaust fans during startup and or check for need for balanced air make up system Competition with exhaust devices Diagnostic Questions Possible Causes of Condition Solutions Is the damper closed No Down draft or negative pressure Close the damper at end of burn Yes Negative pressure from exhaust fans and or house stack effect Check for need ...

Page 35: ...screws from the front and back and lift the top off Cap Top Be sure holes in cap top and cap base are aligned European Copper Series Termination Cap CT3 King shown Cap Base Remove 8 screws 9 for King lift top cover Figure 11 1 Chimney Termination Cap Cleaning Fire Risk Disposal of ashes Ashes should be placed in metal container with tight tting lid Do not place metal container on combustible surfa...

Page 36: ...properly engaged and the chimney is properly secured A chimney re can permanently damage your chimney sys tem Failure to replace damaged components and make proper repairs creates risk of re Inspect Maintenance Tasks Screens 1 Assess condition of screen and replace as necessary Screens are required 2 Verify maintenance of proper clearance to combustible household objects Glass Doors 1 Inspect glas...

Page 37: ...1035 mm 19 1 8 in 486 mm 7 3 4 in 197 mm 35 in 889 mm 36 in 914 mm 42 1 8 in 1070 mm 10 1 2 in 267 mm Dia 25 in 635 mm 3 7 8 in 98 mm 9 7 8 in 251 mm 1 1 8 in 29 mm 18 3 4 in 476 mm 10 1 4 in 260 mm 9 in 229 mm 40 in 1016 mm effective height 3 1 2 in 89 mm Gas Knockout Outside Air 25 in 635 mm 10 1 4 in 260 mm 9 in 229 mm Gas Knockout 10 1 2 in 267 mm Dia ...

Page 38: ...AT1936B BC10 Blower Control Catalog Description EM 42 Fireplace with integral grate hearth protection strips rebrick fan kit outside air kit and blower control DM1936B Bi fold glass doors Bright brass nish AT1936 Gasketed glass doors Black nish AT1936B Gasketed glass doors Bright brass nish HX3 Hearth extension BC10 Variable Speed Blower Control included with replace GR27 Integral grate included w...

Page 39: ...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 TS345 Square Termination Cap TS345P...

Page 40: ... mm JB877 Chimney Joint Band 10 1 2 in 267 mm CB876 Chimney Joint Band 12 in 305 mm 31 in 787 mm 24 5 8 in 625 mm RF371 Roof Flashing 12 in 305 mm 24 5 8 in 625 mm 27 3 8 in 695 mm RF370 Roof Flashing Inside Diameter 8 in 203 mm Outside Diameter 10 1 2 in 267 mm Effective Height 4 3 4 in 121 mm Catalog A B FS338 0 deg 14 1 2 in 368 mm FS339 15 deg 18 3 8 in 467 mm FS340 30 deg 23 in 584 mm ...

Page 41: ...LDS46 Decorative Shroud 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 22 in 559 mm 23 1 8 in 587 mm 20 in 508 mm 9 3 8 in 238 mm 17 in 432 mm 9 1 4 in 235 mm Catalog A B C D in mm in mm in mm in mm LDS33 36 914 36 914 8 1 2 216 11 279 LDS46 48 1219 72 1829 8 1 2 216 11 279 LDS BV Decorative Shroud E D A ...

Page 42: ... CT3 Knight CT3 King 21 in 533 mm 49 in 1245 mm 24 in 610 mm 18 1 4 in 464 mm 41 1 8 in 1045 mm 20 in 508 mm 16 in 406 mm 40 3 8 in 1256 mm 18 in 457 mm 21 in 533 mm 25 3 4 in 654 mm 20 5 8 in 524 mm 20 3 4 in 527 mm 38 5 8 in 981 mm 20 in 508 mm European Copper Caps ...

Page 43: ... Base Dimensions Inches N A 26 5 X 28 with Radiation Shield 28 X 30 34 X 34 with Radiation Shield 28 X 30 with Radiation Shield or 34 X 34 Minimum Height Inches N A 28 1 4 27 1 2 28 1 4 27 1 2 ROOFED STYLE with 12 X 22 264 sq in opening on each side and 3 in space between the radiation shield and chase top Minimum Base Dimensions Inches N A 27 X 27 with Radiation Shield 27 X 27 with Radiation Shie...

Page 44: ...Heat Glo EM 42 28324 Rev U 02 07 46 This page intentionally left blank ...

Page 45: ...t minimum wholesale price but HHT SHALL NOT BE RESPONSIBLE FOR ANY LABOR TRANSPORTATION OR OTHER INDIRECT DAMAGES 4 During the first six 6 months after installation HHT shall at its option replace or repair the glass doors and any electrical components if operation is faulty This does not include glass panels broken during shipment misuse or careless handling After the first six 6 months HHT will ...

Page 46: ...076254 5113843 5191877 5218953 5263471 5328356 5341794 5347983 5429495 5452708 5542407 5601073 5613487 5647340 5688568 5762062 5775408 5890485 5931661 5941237 5947112 5996575 6006743 6019099 6048195 6053165 6145502 6170481 6237588 6296474 6374822 6413079 6439226 6484712 6543698 6550687 6601579 6672860 6688302B2 6715724B2 6729551 6736133 6748940 6748942 6769426 6774802 6796302 6840261 6848441 68630...

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