Table of Contents
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Safety Notice: if thiS appliaNce iS Not properly iNStalled, operated aNd maiN-
taiNed, a houSe fire may reSult.
to reduce the riSk of fire, follow the iNStallatioN iNStructioNS. failure to
539026
follow iNStructioNS may reSult iN property damage, bodily iNjury or eveN
SB5400 cover
death. coNtact local buildiNg officialS about reStrictioNS aNd iNStallatioN
iNSpectioN requiremeNtS iN your area.
only unvented gas log sets which have been found to comply with the standard for unvented room heater, aNSi
Z21.11.2, are to be installed in this fireplace.
when an approved aNSi Z21.11.2 unvented room heater is installed in this fireplace, an h2853 canopy must
also be installed.
warNiNg: do not operate an unvented gas log set in this fireplace with the chimney removed.
this fireplace is ul listed for use with the 11cf Series chimney system components.
woodburning fireplace
models:
Sb38, Sb38hb,
Sb44, Sb44hb
installation, operation and
maintenance manual
for residential installation
87D0057 8/10 Rev. 7
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Summary of Contents for MHSC SB38
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Page 1: Woodburning Fireplace
Sb38, Sb38hb, Sb44, Sb44hb installation, operation and maintenance manual for residential installation Safety Notice: if thiS appliaNce iS Not properly iNStalled, operated aNd maiN- taiNed, a houSe fire may reSult. to reduce the riSk of fire, follow the iNStallatioN iNStructioNS. failure to... -
Page 2: Table Of Contents
SB38 / SB44 Series Woodburning Fireplace congratulations! You have chosen the finest wood burning fireplace available. Your fireplace has been designed for years of heating and viewing enjoyment. Please take time to read this entire manual before installing or operating your fireplace. -
Page 3: Safety Information
If you notice any damage to fireplace or component parts, immediately report damage to your MHSC dealer. Only use MHSC components or the warranty will be voided and a fire hazard may be created. MHSC warranty will be voided by and MHSC disclaims any responsibility for the following actions: •... -
Page 4: Important Information
The fireplace is designed to sit directly on a combustible floor. The fireplace must be installed with clearances to combustible building materials specified in this manual. Only parts manufactured by MHSC and labeled for use with the fireplace should be used in the installation of this fireplace except for special roof flashings that may be fabricated locally. -
Page 5: Operation Guidelines
When this happens, the house will draw in outside air form the cracks in the windows, down the fireplace flue or other locations of air leakage in the home. Because cold air infiltration may be unavoidable in some structures, MHSC is not responsible for heat loss or air infiltration through or around the fireplace. -
Page 6: Fireplace Dimensions
SB38 / SB44 Series Woodburning Fireplace fireplace dimeNSioNS 28” 11” ID Flue 9 ” 13C\,” OD Outer Pipe 26 ” 16 ” Required 1Z\x” Air Space 9/16” 1/8” 6 ” ” Gas Line 52 ” Opening 27” Outside Air 35 ” ... -
Page 7: Clearances
SB38 / SB44 Series Woodburning Fireplace Chimney Cap 15 ft. = Min. Height (No offsets) 15 ft. = Min. Height ( 30° Elbows) 1 ft. = Min. Height (4 30° Elbows) 86 ft. = Max. Height (Chimney sup- port every 5 ft.) - Page 8 SB38 / SB44 Series Woodburning Fireplace 15 ft. = Min. Height (No offsets) 15 ft. = Min. Height ( 30° Elbows) Chimney Cap 1 ft. = Min. Height (4 30° Elbows) 86 ft. = Max. Height (Chimney Support every 5’)
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Page 9: Fireplace Location
SB38 / SB44 Series Woodburning Fireplace cautioN: do not install fireplace over carpeting. This fireplace does not weigh more than large pieces of furniture and can normally be located near a load bearing wall without requiring additional foundations or supports. If however, the fireplace is to be trimmed with a heavy stone or brick facing and hearth extension, be sure the supporting structure is adequate. - Page 10 SB38 / SB44 Series Woodburning Fireplace fireplace locatioN Full Protection Corner Flush FP0 Figure 7 FP2220 fireplace location front width back width depth SB38/38HB 36” (914 mm) ” (559 mm) 0” (508 mm) SB44/44HB 4” (1067 mm) 8” (711 mm) 0”...
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Page 11: Installation Preparation
SB38 / SB44 Series Woodburning Fireplace Survey the planned location for the fireplace for overhead plumbing or electrical wires, etc., that might complicate the installation or endanger persons installing or cleaning the chimney. Avoid a location where the chimney cap will be near abrupt changes in the roof shape, nearby wall or embankments, under or near trees or above the roof of a single story wing of a two story building. -
Page 12: Insulating Fireplace Enclosure For Cold Climates
SB38 / SB44 Series Woodburning Fireplace iNSulatiNg fireplace eNcloSure for Single Story installation with attic Space cold climateS Chimney Cap if you live in a cold climate, it is not required but highly Flue Outlet Height recommended that you insulate the fireplace enclosure to eliminate cold air penetration as much as possible. -
Page 13: Floor Protection
SB38 / SB44 Series Woodburning Fireplace If this fireplace is installed on a combustible floor, the floor area 0 inches in front of, and 1 inches either side of the fireplace opening must be protected by an insulating noncombustible hearth exten- sion. - Page 14 SB38 / SB44 Series Woodburning Fireplace floor protectioN The ability of insulating material to retard the transfer of heat may be expressed as either Thermal Conductance (C), Thermal Conductivity (K), or Thermal Resistance (R). The mathematical re- lationship of these values and the formulas for converting one value to another is as follows: C= K divided by the material thickness (Example C = .43 divided by 1/ (.50)
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Page 15: Mantel Clearance
SB38 / SB44 Series Woodburning Fireplace Finish the wall with material of your choice. do not install a combustible mantel shelf less than 18" (457 mm) from the top of the fireplace opening. do not install a mantel face plate less than 6"... - Page 16 SB38 / SB44 Series Woodburning Fireplace maNtel clearaNce mantel clearance - mantel clearance - with Noncombustible facing material No Noncombustible facing material Combustible Mantel and Trim Combustible 12" 12" Mantel and Trim (305 mm) (305 mm) Finished Wall Finished Wall Max.
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Page 17: Fireplace Components
SB38 / SB44 Series Woodburning Fireplace FP2225 SB6000 fireplace components RLTCF11 AK4 Combustion Air SLTCF11 RLTCF11L Chimney Cap Assembly Extended Chimney SB38HB SB38 SB44HB SB44 H066 Hearth 11CF30- 11CS Extension Kit WSB48 Elbow Chimney Support WSB54 Glass Doors... -
Page 18: Fireplace Installation
Before beginning the installation, be sure you have the proper parts in sufficient quantity. Refer to Page 37 for proper identification of parts. Do not substitute parts. Use only parts listed for use with the Models SB38 Series or SB44 Series fireplaces. -
Page 19: Chimney Installation
SB38 / SB44 Series Woodburning Fireplace Figure 20 2' Min. Min. 2' Min. Min. AC617 Note: Flue outlet should be two feet above all portions of the building within ten feet as shown in Figure 20. The chimney must not extend more than 90 inches above the roof without additional support. - Page 20 SB38 / SB44 Series Woodburning Fireplace chimNey iNStallatioN Figure 21 Centerline of Actual Center Point Chimney table 1 CHIMNEY HOLE SIZE Angle of Chimney at Ceiling Size of Chimney Vertical 30˚ Plumb Line FS2A FS6A 11" CF 2-Wall 17 " x 17 "...
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Page 21: Chimney Offset Installation
SB38 / SB44 Series Woodburning Fireplace elbow iNStallatioN The following are important points that should be observed when installing elbows on the fireplace: 1. The support straps of all elbows not installed directly on top of the fireplace should be nailed securely to the surrounding structure. - Page 22 SB38 / SB44 Series Woodburning Fireplace chimney requirements - offset installations Offset Chimney Flue Exit Rise Chimney Section FP8 30° elbow offsets Elbow IWF282 30° Return MBUF Elbow 5/26/96 1' 1¹⁄₂' 3' 4' offset rise 0 0 0 0 3"...
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Page 23: Chimney Offset And Cap Installation
SB38 / SB44 Series Woodburning Fireplace Figure 26 Continue chimney to proper Figure 28 C L height and install round chimney firestop 17” cap or chimney housing ” Spacer Storm Collar Flashing Roof Firestop Spacer as 7 ”... -
Page 24: Chimney Cap Installation
SB38 / SB44 Series Woodburning Fireplace chimNey cap iNStallatioN chimNey cap Special Note: The proper height as previously explained is important to assure proper draft and safety. The chimney cap extends the flue outlet four inches above the top of the last section of chimney. -
Page 25: Chimney Cap Chase Installation
SB38 / SB44 Series Woodburning Fireplace The preinstalled chimney sections should be no more than 13 inches below the top of the chase. The installation should be planned so that either a two-foot or three-foot chimney section will be used for the top section. -
Page 26: Outside Combustion Air Precautions And Recommendations
& recommeNdatioNS SB38 / SB44 Series Woodburning Fireplace Note: The use of outside air for combustion is optional unless required by building codes. It is only necessary to supply outside combustion air to one side of the fireplace. Use the model AK4 combustion air kit. - Page 27 & recommeNdatioNS SB38 / SB44 Series Woodburning Fireplace outSide combuStioN air recommeNdatioNS (continued) 1. Extremely long runs and numerous turns in the duct leading from the fireplace to the combustion air assembly should be avoided. These conditions will increase the resistance to the free flow of air through the duct.
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Page 28: Combustion Air Assembly
SB38 / SB44 Series Woodburning Fireplace combuStioN air aSSembly model ak-4 combuStioN air aSSembly 1. Remove the cover plate from the 4-inch outlet opening location on the left outside of the fireplace. DO NOT remove the cover if the outside air will not be connected. -
Page 29: Gas Appliance Installation
(MHSC fireplace. manufactures a wide variety of gas logs for use in MHSC 3. All gas piping and fitting must be either steel or malleable fireplaces.) iron. - Page 30 SB38 / SB44 Series Woodburning Fireplace Figure 33 gas line plumbing detail Outer Fireplace Wrap Inner Fireplace Wrap Side Brick Back Brick Side Brick Maintain 1/” Minimum Air Space Clearance to Combustibles for Gas Line Out to 4” From Side of...
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Page 31: Trim And Door Installation
CAUSE BURNS. This fireplace has been tested and listed for use with optional Model DO NOT TOUCH GLASS WSB48 (SB38 Series) and WSB54 (SB44 Series) glass doors. For FP2243 UNTIL COOLED. installation of the glass doors, refer to the instructions provided with the... -
Page 32: Advantages Of A Wood Burning Fireplace
SB38 / SB44 Series Woodburning Fireplace fireplace operatioN warNiNg: If a decorative gas appliance is used in the fireplace the fireplace damper must be fixed in an open position. (See additional operation information in section titled “Operation Guidelines”.) advaNtageS of a wood burNiNg fireplace These are the practical, ecological advantages of wood as a fuel. -
Page 33: Fireplace Operation
SB38 / SB44 Series Woodburning Fireplace You’ll need a minimum of three logs, preferably four, to make a good fire. Add kindling and new logs as needed to rekindle a dying fire. New logs should be added at the rear grate after raking the coals toward the front. -
Page 34: Maintenance And Safety
MHSC does not recommend chemical cleaners because some may contain elements that corrode the metal parts of the chimney or fireplace. 87D0057... -
Page 35: Fireplace Maintenance
Safety SB38 / SB44 Series Woodburning Fireplace fireplace maiNteNaNce At the end of each heating season or when the fireplace will not be in use for an extended time, the ashes should be removed and the hearth area should be swept as clean as is practical. The slow absorption of moisture into the ashes over a long period of time could cause a condition which would be corrosive to the metal fireplace parts. - Page 36 Safety SB38 / SB44 Series Woodburning Fireplace 17. Do store your fuel supply at a distance equal to or greater than the spacing recommended for combustible materials from the fireplace. 18. Do build fires of moderate intensity in the fireplace for the first three fires to allow materials to adjust and cure before being subjected to the intense heat of a large fire.
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Page 37: Replacement Parts
SB38 / SB44 Series Woodburning Fireplace SB38 SB38HB SB44 SB44HB ref. description qty. Sb38 Sb38hb Sb44 Sb44hb 1. Damper 05317 05317 05317 05317 . Handle Damper 037391 037391 037391 037391 3. Firebrick Back Assy* 05857 or 87D0077 067517 or 87D0081... - Page 38 SB38 / SB44 Series Woodburning Fireplace 87D0057...
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Page 39: Warranty
1. No one has authority to add to or vary this limited warranty, or to create for MHSC any other obligation of liability in connection with this fireplace and accessory. - Page 40 149 Cleveland Drive • Paris, Kentucky 40361 www.mhsc.com...
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