Burntech OFS43-ST, Installation Instructions Manual

Page 1: ...uable In addition to instructing you on how to install and maintain your appliance it also contains information that will enable you to obtain replacement parts or accessory items when needed Keep with your other important papers Do not store gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance REV 07 APR 2013 Report No 08 154 ICC Evaluation Services Report...

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Page 3: ... DO NOT REMOVE THIS LABEL See Burntech installation and operating instructions for this model Contact local building officials about restrictions and installation specifications in your area WARNING Use only approved listed Chimney Pipe as follows TFS33 39 12 44 12 UL103 12 Class A DM12 12 FMI 12 chimneys TFS49 UL103 14 Class A Please refer to pipe manufacturer s installation instructions Chimney ...

Page 4: ...agrams Combustible Floor Systems Non Combustible Floor Systems 1 3A 3 6 7 8 10 9 14 13 17 16 18 19 12 Figure 1 20 Figure 2 1 3A 3 6 7 8 10 9 14 13 19 12 20 21 22 24 23 21 22 24 23 OFS MODELS INCLUDE 2 OF BURNTECH MASONRY CHIMNEY NOT SHOWN ...

Page 5: ...1 HEARTH Left or Right 2 3 ST 43 3 SIDE WALL 5 3A ST 43 3A SIDE WALL W 4 KNOCKOUT 1 6 ST 43 6 LINTEL 1 7 ST 43 7 DOME SIDE LOWER 2 8 ST 43 8 DOME SIDE UPPER 2 9 ST 43 9 DOME TOP FOR 16 CLASS A CHIMNEY 1 10 ST 43 10 DOME FRONT REAR UPPER 2 12 521 RATING PLATE 1 13 SOLD SEPERATELY Ø16 DAMPER ANCHOR PLATE 14 SOLD SEPERATELY INSULATION BLANKET 16 SOLD SEPERATELY STEEL SUPPORT PLATFORM 8 INCH HIGH 1 17...

Page 6: ...8 SECTION A A RATING PLATE Figure 3 Overall Dimensions Non Combustible Floor Systems Figure 4 IF WOOD FRAMING IS UTILIZED IT MUST BE HELD 18 INCHES MIN FROM TOP OF LINTEL AND 2 INCHES MIN CLEARANCE MUST BE MAINTAINED ALL AROUND FIREPLACE DOME IF METAL FRAMING IS USED MAINTAIN A 1 2 INCH MIN AIR SPACE FROM TOP OF LINTEL 2 MIN CLEARANCE TO COMBUSTIBLES AROUND SIDES REAR AND TOP OF FIREPLACE DOME Mai...

Page 7: ...2 MIN 2 MIN 8 1 2 2 INCH CLEARANCE TO COMBUSTIBLES BOTH SIDES OF FIREPLACE If using a raised hearth or metal base plate note that a combustible wood header must be no closer than 2 to the top of the dome top Figure 5 Combustible Floor 20 MIN 12 MIN 12 MIN 2 MIN 53 Not provided as part of fireplace Figure 6 Non Combustible Hearth Extension by others Figure 7 Combustible Floor only Non combustible m...

Page 8: ...cturer s literature regarding sizing and suitability for the installation into this Enclosure prior to installation Statement of Intended Use The BURNTECH Masonry Fireplace is a modular refractory masonry unit designed for field assembly The firebox is constructed using pre cast interlocking refractory blocks The blocks are then secured to each other using Mortar The system includes all parts nece...

Page 9: ...n which it rests Chimney system measurements Choice of materials and craftsmanship in fireplace and hearth finishing Note that each of these topics will be covered in detail and that the installer is expected to understand each phase completely before going on to subsequent instructions Attention Be advised that all the illustrations in this manual are for general reference only Do not scale drawi...

Page 10: ...responsibility of the contractor installer not the manufacturer to ensure that adequate combustion air is provided for proper function of this fireplace Fireplaces take up a large volume of replacement air from outside the house and if the house is of airtight construction smoke spillage may occur if proper draft is not achieved There are many conditions beyond a manufacturer s control regarding i...

Page 11: ...s Note that additional floor joists may be required to support the weight of the firebox and chimney Where the floor joists run parallel to the front of the firebox anchorage can be accomplished in like manner as shown in Figure 12 using blocking between the floor joist For floors supported by I Joists the method of anchorage is illustrated in Figures 10 and 11 Figure 12 illustrates the general ar...

Page 12: ...ving a moisture content of less than 16 per cent at time of installation and used under dry conditions the deflection resulting from L 0 5D is permitted to be substituted for the deflection resulting from L D Note that BURNTECH cannot accept responsibility for structural floor support details All drawings are presented as mere illustrations to indicate the presence of the underlying floor system I...

Page 13: ...tar for bonding The parts of the fireplace are made of BURNTECH s incredibly strong blend of specialty cement and a light weight aggregate IMPORTANT When applying mortar it is imperative that the concrete blocks be maintained moist not soaking so they don t absorb the water out of the mortar and cause adhesion to fail Frequently run a damp sponge to the parts before mortar is applied The installat...

Page 14: ...m was installed place adjacent to all thread rods sticking through the cells Make sure the bars are into the hearth and at least 1 2 one half inch below top of firebox top surface Finish filling cells Keep damp at all times while applying mortar Figure 20 IMPORTANT Keep in mind that when applying the mortar you must frequently run a damp sponge to the parts before mortar is applied Lower Tension S...

Page 15: ...to be level Now position the front rear smoke dome parts on top of dome These parts require care in leveling noting the 6 7 8 9 parts have a slight bevel Check for vertical with level Figure 24 Figure 24 Upper Dome Sides Upper Dome Front Rear As you are connecting each BURNTECH component be certain you are following the instructions given previously for using BURNTECH mortar Stop to look at the sm...

Page 16: ...ield is required in multistory installations at each floor penetration above that where the Support Box is located Firestop Radiation Shields also provide complete separation from one floor space to another or attic space as required by most codes When the double wall pipe passes through a framed opening into an attic space the firestop must be placed into an attic floor as shown in Figure 28 Foll...

Page 17: ...cannot take any liability or responsibility for they way the firebrick or the firebrick mortar performs It is not unusual in the course of the life of the firebrick or the firebrick mortar for heat stress cracks to appear BURNTECH cannot be responsible for this and other wear and tear to the firebrick and mortar Modular Firebrick Lining If using our BURNTECH Firebrick Liners simply use an extra bu...

Page 18: ...atively to heat However in almost all cases there is a solution to the problem either by making adjustments to airflow or the modifications to the room itself Installing Outside Combustion make up Air 1 The BURNTECH Fireplace needs enough make up air to function properly and some local building codes may require outside combustion air to be provided If no make up air is provided improper flue draf...

Page 19: ...bly is required for the installation of these chimney systems Consult the Chimney System manufacturer s instructions Using the Damper Anchor Plate Assembly apply a 1 4 one quarter inch bead of gasket cement around the base of the Anchor Plate Apply ceramic blanket gasket to the gasket cement Apply balance of gasket cement in a 1 4 one quarter inch bead on top of smoke dome top approx 3 3 inches ou...

Page 20: ...t any given time Consider that this typical fuel load is three to four dry hardwood logs that are about 6 six inches to 8 eight inches in diameter Without a grate for your firewood to rest on you cannot get the air flow you need under the fire which makes for a hotter more satisfying fire Don t over burn Always remember your BURNTECHFireplace is an elegant addition to your home It is not an indoor...

Page 21: ... cleaners as their residue could introduce a fire hazard after the task is completed Outside Inspection During your once a month inspection of the firebox and chimney make it a point to also check the outside of the chimney the metal flashing and weather seals that surround it If you find any cracks or openings around screws or nails seal them to avoid any roof or chimney chase leaks SURFACE CRACK...

Page 22: ...oncrete slab The concrete strength and durability shall comply with Sections 1903 1904 and 1905 of the International Building Code IBC TABLE R402 2 MINIMUM SPECIFIED COMPRESSIVE STRENGTH OF CONCRETE MINIMUM SPECIFIED COMPRESSIVE STRENGTH a f c Weathering Potential b TYPE OR LOCATION OF CONCRETE CONSTRUCTION Negligible Moderate Severe Basement walls foundations and other concrete not exposed to the...

Page 23: ...ely b Lines defining areas are approximate only Local conditions may be more or less severe than indicated by region classification A severe classification is where weather conditions result in significant snowfall combined with extended periods during which there is little or no natural thawing causing deicing salts to be used extensively ...

Page 24: ...nded at Burntech Fireplace Solutions s option Nothing in this warranty makes Burntech Fireplace Solutions or any affiliate thereof liable in any respect for any injury or damage to the building or structure in which the fireplace has been installed or to the persons or property therein arising out of the use misuse or installation of properly manufactured Burntech Fireplace Solutions products The ...