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Woodburning Fireplace
Model: SB50HB
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
FOLLOW INSTruCTIONS May reSuLT IN prOperTy daMage, BOdILy INjury Or eveN
deaTH. CONTaCT LOCaL BuILdINg OFFICIaLS aBOuT reSTrICTIONS aNd INSTaLLaTION
INSpeCTION requIreMeNTS IN yOur area.
This fireplace is listed by OMNI-Test
Laboratories for use with 11CF Series
chimney system components.
87D0058 8/10 Rev. 5
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Table of Contents
Related Manuals for MHSC SB50HB
Summary of Contents for MHSC SB50HB
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Page 1: Woodburning Fireplace
Woodburning Fireplace Model: SB50HB 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 FOLLOW INSTruCTIONS May reSuLT IN prOperTy daMage, BOdILy INjury Or eveN deaTH. -
Page 2: Table Of Contents
SB50HB 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
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. The use of improper parts in the installation can be hazardous and voids the warranty offered by MHSC. -
Page 5: Operation Guidelines
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
SB50HB Series Woodburning Fireplace FIrepLaCe dIMeNSIONS 38 ” 11” I.D. Flue 11” 13C\,” O.D. Flue 28 ” 17 ” 59” 11” 66 ” 58” 30” 38” 9 ” 8” 8” 13 ” 50” 4 ” 4 ” 18” 59” Figure 1... -
Page 7: Clearances
CLearaNCeS SB50HB Series Woodburning Fireplace Figure 3 Chimney Cap 18’ = Min. Height (No offsets) residential Installation 4’ = Min. Height ( 30° Elbows) 30’ = Min. Height (4 30° Elbows) 86’ = Max. Height (Chimney Support Storm every 5’) -
Page 8: Fireplace Location
SB50HB Series Woodburning Fireplace FIrepLaCe LOCaTION 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 9: Installation Preparation
INSTaLLaTION preparaTION SB50HB 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 as shown by Figure 8. - Page 10 SB50HB Series Woodburning Fireplace INSTaLLaTION preparaTION 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 3’...
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Page 11: Floor Protection
FLOOr prOTeCTION SB50HB 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 extension. - Page 12 SB50HB Series Woodburning Fireplace FLOOr prOTeCTION The ability of insulating material to retard the transfer of heat may be expressed as either Ther- mal Conductance (C), Thermal Conductivity (K), or Thermal Resistance (R). The mathematical relationship 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 13: Mantel Clearance
SB50HB Series Woodburning Fireplace MaNTeL CLearaNCe MaNTeL CLearaNCe 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 14 SB50HB 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. Max.
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Page 15: Fireplace Components
FIrepLaCe COMpONeNTS SB50HB Series Woodburning Fireplace SLTCF11 Chimney Cap RLTCF11L AK4 Combustion Air WSB60 Glass Extended Chimney Assembly Doors SB50HB 11CS Chimney Support S0UB Upper H074 Hearth Extension Kit Baffle 11CF30- Elbow S0BR/BT/BW Top Housing FSA or FS6A 8-6-1 or 8-1-1... -
Page 16: Fireplace Installation
Before beginning the installation, be sure you have the proper parts in sufficient quantity. Refer to Page 35 for proper identification of parts. Do not substitute parts. Use only parts listed for use with the Model SB50HB fireplace. FIrepLaCe INSTaLLaTION 1. -
Page 17: Chimney Installation
CHIMNey INSTaLLaTION SB50HB Series Woodburning Fireplace Figure 17 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 17. The chimney must not extend more than 90 inches above the roof without additional support. - Page 18 SB50HB Series Woodburning Fireplace CHIMNey INSTaLLaTION Centerline of Actual Center Point Chimney Table 1 CHIMNEY HOLE SIZE Angle of Chimney at Ceiling Size of Chimney 30˚ Vertical Plumb Line FS2A FS6A 11" CF 2-Wall 17 " x 17 " 17 " x 29 "...
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Page 19: Chimney Offset Installation
CHIMNey OFFSeT INSTaLLaTION SB50HB 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 20: Chimney Offset Installation
SB50HB Series Woodburning Fireplace CHIMNey OFFSeT INSTaLLaTION 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"... -
Page 21: Chimney Offset And Cap Installation
CHIMNey OFFSeT and Cap INSTaLLaTION SB50HB Series Woodburning Fireplace Continue chimney to proper Figure 25 height and install round chimney FS6a cap or chimney housing 17” ” Storm Collar Flashing Roof Firestop Spacer as Required 7 ” ” Centerline of 30°... -
Page 22: Chimney Cap Installation
SB50HB 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 23: Chimney Cap Chase Installation
CHIMNey Cap CHaSe INSTaLLaTION SB50HB 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. This is necessary to ensure complete engagement of the inlet air telescope and chimney cap into the top section. -
Page 24: Outside Combustion Air Precautions And Recommendations
SB50HB Series Woodburning Fireplace OuTSIde COMBuSTION aIr preCauTIONS & reCOMMeNdaTIONS 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 25 OuTSIde COMBuSTION aIr preCauTIONS & reCOMMeNdaTIONS SB50HB 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 26: Combustion Air Assembly
SB50HB 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 or right outside of the fireplace. DO NOT remove the cover if the outside air will not be connected. -
Page 27: Gas Appliance Installation
INSTaLLaTION SB50HB Series Woodburning Fireplace WarNINg: Improper installation or operation of a gas appliance in this fireplace can allow unburned gas to leak out which will cause a fire or explosion hazard, or the release of poisonous carbon monoxide into the dwelling which can cause serious injury or death to its inhabitants. -
Page 28: Gas Appliance Installation
SB50HB Series Woodburning Fireplace gaS appLIaNCe INSTaLLaTION 7. Pack the insulation removed in step 4 around the pipe to prevent air flowing through the tube either into or out of the firebox. 8. Be sure the gas is turned off at the appliance, then turn the gas on at the shut-off valve and test the gas line connections for leaks with soapy water solution or a liquid leak detector. -
Page 29: Door Installation
Failure to Steel Lintel properly seal this crack can cause a pos- (Optional) sible fire hazard and will void the MHSC CauTION: Do not cover or warranty. restrict vent areas with any trim materials. -
Page 30: Fireplace Operation
SB50HB 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 31: A Few Words Of Caution
FIrepLaCe OperaTION SB50HB 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 32: Maintenance And Safety
Make sure the chimney is clear from any accumulation of soot, creosote or any other debris, and that all joints are intact. MHSC does not recommend chemical cleaners because some may contain elements that corrode the metal parts of the chimney or fireplace. -
Page 33: Fireplace Maintenance
MaINTeNaNCe and SaFeTy SB50HB 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 34 SB50HB Series Woodburning Fireplace MaINTeNaNCe and SaFeTy 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 35: Replacement Parts
SB50HB Series Woodburning Fireplace ref. description qty. part No. Rod Damper 047647 539027 Outside Air Rod/Plate Assy 07935 SB6000 parts Panel Fire Screen w/Pull 07939 Firebrick Side Assy* 071476 or 87D0073 Grate 07954 Damper Weight 047649 Firebrick Back Assy*... - Page 36 SB50HB Series Woodburning Fireplace 87D0058...
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Page 39: Warranty
Limitations and exclusions 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 MHSC 149 Cleveland Drive • Paris, Kentucky 40361 www.mhsc.com...