Burntech OFS-33 Installation Instructions Manual Download Page 15 | Manualshive

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2” AIRSPACE

CLEARANCE TO

COMBUSTIBLES

ON REAR AND

SIDES OF UNIT.

Fireplace Framing Dimensions

13



REFER TO FIREPLACE DIMENSIONS SHOWN IN PAGES 8, 9 AND 10.

Figure 14

Cross-sectional

Side View:

Non-Combustible

Floor Systems





Figure 15

Cross-sectional

Side View:

Combustible Floor

Systems





2” AIRSPACE

CLEARANCE TO

COMBUSTIBLES ON

REAR AND SIDES

OF UNIT.

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Summary of Contents for OFS-33

Page 1: ...URNTECH COM IMPORTANT DO NOT BURN WITHOUT FIREBRICK LINING FIREBRICK NEEDS TO BE RATED ASTM C1261 PROVIDE CLEARANCE FOR HEAT EXPANSION WITHIN HEARTH AREA ICC Evaluation Services Report No 2401 THIS ENTIRE INSTALLATION GUIDE IS TO BE FOLLOWED IN ITS ENTIRETY FOR INDOOR TRADITIONAL FIREPLACE SERIES TFS MODELS INSTALLATIONS ITEMS DESIGNATED WITH SHOULD BE CROSS REFERENCED WITH THE SUPPLEMENTAL OUTDOO...

Page 2: ...This page has been left intentionally blank ...

Page 3: ...ning Appliances NFPA 211 MODEL No 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 i...

Page 4: ...le Floor Systems Non Combustible Floor Systems Figure 2 See Page 17 thru 19 for combustible floor and framing anchoring illustrations Figure 1 1 3A 3 2 4 5 6 7 8 10 9 14 13 12 5 6 7 8 10 9 14 13 16 18 19 12 1 3A 3 2 4 17 20 21 22 6A 6B 6A 6B 19 ...

Page 5: ...EAR WALL 2 3 TFS33 3 SIDE WALL 5 3A TFS33 3A SIDE WALL with Ø4 Outside Combustion Air Hole 1 4 TFS33 4 DNDRFT DIVERTER 1 5 TFS33 5 DOME REAR LOWER 1 6 TFS33 6 LINTEL 1 6A TFS33 6A LINTEL FRONT 1 6B TFS33 6B T BAR 1 7 TFS33 7 DOME SIDE LOWER 2 8 TFS33 8 DOME SIDE MIDDLE 2 9 TFS33 9 DOME TOP FOR 12 CLASS A CHIMNEY 1 10 TFS33 10 DOME FRONT REAR MIDDLE 2 12 TFS521 RATING PLATE TFS33 1 13 AP AC12 Ø12 D...

Page 6: ...tible Floor Systems Non Combustible Floor Systems 1 19 2 4 5 7 8 9 18 Figure 5 6 3 11 1 19 2 4 5 7 10 Figure 6 3 3A 11 10 25 26 17 17 13 16 3A 6B 6A 6 6B 6A 9 13 8 12 12 See Page 17 thru 19 for combustible floor and framing anchoring illustrations ...

Page 7: ...ith Ø4 Outside Com bustion Air Hole 1 4 TFS39 4 TFS44 4 TFS49 4 SMOKE SHELF Downdraft Diverter 1 5 TFS39 5 TFS44 5 TFS49 5 DOME REAR LOWER 1 6 TFS39 6 TFS44 6 TFS49 6 LINTEL 1 6A TFS39 6A TFS44 6A TFS49 6A LINTEL FRONT 1 6B TFS39 6B TFS44 6B TFS49 6B T BAR 1 7 TFS39 7 TFS44 7 TFS49 7 DOME SIDE LOWER 2 8 TFS39 8 TFS44 8 TFS49 8 DOME SIDE UPPER 2 9 TFS39 9 TFS44 9 TFS49 9 DOME TOP Ø12 DOME TOP Ø12 D...

Page 8: ...d framing anchoring illustrations TFS 63 Fireplace Parts Diagrams Combustible Floor Systems Non Combustible Floor Systems Figure 5 Figure 4 19 6 13 14 8 1 7 11 9 10 5 2 4 18 17 3A 15 16 1A 3 12 20 21 22 8 10 19 5 9 14 11 6 13 1 7 3A 15 1A 3 12 2 4 ...

Page 9: ... 3 TFS63 3 SIDE WALL 7 3A TFS63 3A SIDE WALL with Ø4 Outside Combustion Air Hole 1 4 TFS63 4 DOWN DRAFT DIVERTER 2 PC 1 set 5 TFS63 5 DOME REAR LOWER 1 6 TFS63 6 LINTEL 1 7 TFS63 7 DOME SIDE LOWER UPPER 4 8 TFS63 8 DOME SIDE MIDDLE 2 9 TFS63 9 DOME TOP FOR 16 CLASS A CHIMNEY 1 10 TFS63 10 DOME FRONT REAR MIDDLE 2 11 TFS63 11 DOME FRONT REAR UPPER 2 12 TFS521 RATING PLATE TFS63 1 13 APD AC16 Ø16 DA...

Page 10: ... 18 1 2 28 11 12 1 4 37 23 21 22 1 2 8 3 8 32 33 30 3 8 4 1 2 SECTION A A Ø4 OUTSIDE AIR ACCESS CAN BE INSTALLED ON THE LEFT SIDE ALSO Figure 7 Burntech TFS33 Fireplace Overall Dimensions Fireplace Overall Dimensions TFS 33 ...

Page 11: ...B 4 A 4 1 4 D 62 5 8 G G H H Fireplace Overall Dimensions TFS 39 44 49 Fireplace Overall Dimensions Model A B C D E F TFS 39 43 39 28 1 2 27 38 Ø12 1 4 TFS 44 48 44 33 1 2 32 43 Ø12 1 4 TFS 49 53 49 38 1 2 37 48 Ø14 1 4 Figure 8 Burntech TFS 39 44 49 Fireplace Overall Dimensions ...

Page 12: ...ons TFS 63 Figure 9 Burntech TFS63 Fireplace Overall Dimensions 28 21 7 3 8 Ø4 OUTSIDE AIR ACCESS CAN BE INSTALLED ON THE LEFT SIDE ALSO 33 1 2 11 16 MIN SECTION B B 53 1 4 73 B B A A SECTION A A 32 7 8 40 3 4 3 4 1 2 62 67 23 63 ...

Page 13: ...proved with this appliance may result in property damage or personal injury Fireplace Framing Dimensions Model W TFS OFS 33 41 TFS OFS 39 47 TFS OFS 44 52 TFS OFS 49 57 TFS OFS 63 71 Maintain the 2 clearance to combustibles above the dome DO NOT attach combustible materials on top of the dome FOR OUTDOOR FIREPLACES CONTAINED WITHIN A FRAMED STRUCTURE REFER TO PAGES 11 16 FOR PROPER CLEARANCES TO C...

Page 14: ...at a combustible wood header must be no closer than 2 to the top of the dome see Figure 13 Attention You will note that there will be a gap between the fireplace front and the extension of the non combustible hearth material Be certain that you seal this with non combustible material 1 8 MIN 2 MIN 2 MIN 8 MIN 1 0 MIN 8 MIN 1 0 MIN NON COMBUSTIBLE FACING MATERIAL HEARTH EXTENSION NON COMBUSTIBLE No...

Page 15: ...ce Framing Dimensions 13 REFER TO FIREPLACE DIMENSIONS SHOWN IN PAGES 8 9 AND 10 Figure 14 Cross sectional Side View Non Combustible Floor Systems Figure 15 Cross sectional Side View Combustible Floor Systems 2 AIRSPACE CLEARANCE TO COMBUSTIBLES ON REAR AND SIDES OF UNIT ...

Page 16: ...ar 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 necessary for the assembly of a complete masonry fireplace In addition to the basic enclosure a standard 1 1 8 thick high temperature refractory brick is required to line the interior of ...

Page 17: ...hoice of materials and craftsmanship in fireplace and hearth finishing Figure 16 Typical Installations Internal Wall Installation Corner Installation Flush Installation Full Projection Installation 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 t...

Page 18: ...lass A Metal Chimney System This Burntech fireplace is intended as a supplemental heat source only It is not intended as a primary heat source It is the 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 i...

Page 19: ...ebox the addition of floor joists to align with the anchor brackets allows the brackets to be directly connected to the floor joists 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 18 using blocking between the floor jois...

Page 20: ...ons Some chimney systems can weigh up to 50 lbs per lineal foot Table II Deflection Limits Construction L S or W D L1 Floor Members I 360 I 240 For wood structural members having 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 Burntec...

Page 21: ...e as shown in Figure 25 The required sizes are shown in the following table Note The insulation concrete board chosen must meet a thermal conductivity rating 0 4 Btu in hr ft F 1 2 Thick Cement Board Dimensions Model A1 A2 B1 B2 TFS 33 37 28 30 23 TFS 39 43 28 36 23 TFS 44 48 28 41 23 TFS 49 53 28 46 23 6 Metal Bases Model P N TFS 33 TFSB33 TFS 39 TFSB39 TFS 44 TFSB44 TFS 49 TFSB49 1 2 Thick Cemen...

Page 22: ...ieces 3 8 rebar x 36 long included with unit Ten 10 pieces of rebar x 12 long included with unit ALL UNITS Epoxy for securing rebar in footing foundation Three 3 90 lb bags of Ready Mix Concrete with 1 4 or smaller aggregate Burntech Mortar one 50 lb bag for TFS 33 39 44 49 or two 50 lb bags for TFS 63 Materials needed for combustible wood floor installation TFS models only TFS33 Six 6 pieces 3 8 ...

Page 23: ...eading on surface to be facing floor as shown in Fig 28 1 2 3 4 5 Before installing side walls confirm placement of outside combustion air access if required this can be installed either side depending on which side is accessible to outside combustion air all diagrams in this manual show the combustion air inlet hole on the right side Prepare side wall and rear wall mating surfaces with the prepar...

Page 24: ...d angles of the lintel sides Top surfaces should be level Lower Rear Dome TFS OFS33 5 Lintel Front Lower Dome Sides TFS OFS33 7 These surfaces should be flush T Bar Figure 32 Apply mortar to all adjoining surfaces 8 9 10 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 smoke dome side front an...

Page 25: ...made while the mortar is still wet when correcting for squareness and leveling Figure 36 Lintel Lower Rear Dome T Bar Lintel Front Apply mortar to all mating surfaces 17 Assemble Lower Dome Sides as shown in Figure 37 The beveled face lines up with the inward angles of the lintel sides Resulting top surfaces should be level Figure 37 Lower Dome Sides Rating Plate faces inside 18 Verify that the Sm...

Page 26: ...remaining Hearth except this time apply beading on surface to be facing floor as shown in Figure 42 26 Before installing side walls confirm placement of outside combustion air access if required this can be installed either side depending on which side is accessible to outside combustion air all diagrams in this manual show the combustion air inlet hole on the right side 27 Prepare side wall matin...

Page 27: ...urface of the base plate Once leveled fill any resulting gaps with mortar Important Adjustments can only be made while the mortar is still wet when correcting for squareness and leveling Figure 48 TFS OFS 63 6 Lintel TFS OFS 63 5 Lower Rear Dome Fill all cells with mortar mix Assemble Dome Sides TFS OFS 63 7 as shown in Figure 49 The beveled face lines up with the inward angles of the lintel sides...

Page 28: ...Dome Top TFS OFS 63 9 into position Be sure that it is flush in every direction as you place it on the crest of the smoke dome wall assembly Note that the chimney hole on the Dome Top is not centered from front to back it should be offset closest to the rear of the fireplace A marker on the Dome Top indicates the front see Figure 52 Figure 52 Center of Ø16 chimney hole is offset towards the rear 1...

Page 29: ... model 1 Install properly sized Burntech Damper Blocks as shown in Figure 56 2 Install a properly sized Burntech Damper Plate sold separately per manufacturer s instructions 3 Pre drill Damper with 1 4 steel bit at the locations shown in Figure 56 g Figure 56 Optional Burntech Damper Blocks Optional Burntech Damper 4 Pre drill Damper blocks with 3 16 masonry drill bit Drill the hole 1 1 4 Inches d...

Page 30: ...eave any voids or gaps behind the firebrick or doing so may result in the brick falling off when exposed to high temperatures To ensure a good bond between the firebrick and the Burntech FIREPLACE use a damp sponge to moisten the firebrick and the Burntech FIREPLACE prior to installation of brick Some installers have found it be beneficial to place a 1 16 1 8 skim coat of Burntech Mortar over the ...

Page 31: ...r kits may not be required on outdoor fireplaces Consult with your local building department The Burntech Fireplace needs enough replacement air to function properly and some local building codes may require outside combustion air to be provided If no replacement air is provided improper flue drafting may occur creating negative pressure whereby smoke may enter the home especially in homes that ar...

Page 32: ...tem must be completely dry This means that the unit must stand without any firing for a minimum of 28 days Only after that period of time can a first lighting take place The first fire must be small and well controlled started with a small amount of kindling Add no more than eight pounds of wood preferably small logs not more than 3 three inches in diameter You will probably burn no more than thre...

Page 33: ...o the elbow Then clean from the firebox up to the offset return section Make sure to cover the floor of the fireplace and out to the hearth with a damp sheet that has been taped securely in place When all the soot has settled remove the sheet and vacuum up Don t sweep the excess soot Never use any chemical cleaners when cleaning the chimney system since their residue may cause a fire hazard During...

Page 34: ...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 35: ...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 36: ...e Series For Outdoor use only VFS63 63 x 32 BURNTECH VENT FREE FIREPLACE KIT Includes 1 1 BFPM525 VFS49 49 x 32 BURNTECH VENT FREE FIREPLACE KIT Includes 1 BFPM525 VFS44 44 x 32 BURNTECH VENT FREE FIREPLACE KIT Includes 1 BFPM525 VFS39 39 x 32 BURNTECH VENT FREE FIREPLACE KIT Includes 1 BFPM525 VFS33 33 x 32 BURNTECH VENT FREE FIREPLACE KIT Includes 1 BFPM525 VFS43 ST 43 x 32 BURNTECH SEE THRU VEN...

Page 37: ...URNTECH FIREPLACE FULL SIZE RUNNING BOND FIREBOX KIT FBK39SHB 39 BURNTECH FIREPLACE SPLIT HERRINGBONE FIREBOX KIT FBK39FRB 39 BURNTECH FIREPLACE FULL SIZE RUNNING BOND FIREBOX KIT FBK33SHB 33 BURNTECH FIREPLACE SPLIT HERRINGBONE FIREBOX KIT FBK33FRB 33 BURNTECH FIREPLACE FULL SIZE RUNNING BOND FIREBOX KIT FBK43SHB ST 43 BURNTECH SEE THRU FIREPLACE SPLIT HERRINGBONE FIREBOX KIT FBK43FRB ST 43 BURNT...

Page 38: ...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 ...

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