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Vermont Castings  •  Defiant Flexburn 1975 Installation Manual_R1  •  2021 - ___ •  08/21

3

8390-035i

Product Listing and Important Safety Information 

A.  Appliance Certification & Efficiency Specifications

B.  Glass Specifications

This  appliance  is  equipped  with  5mm  ceramic  glass. 

Replace glass only with 5mm ceramic glass. Please contact 

your dealer for replacement glass.

Europe

Nominal heat output:

11,0 kW

CO emission (at 13% O2):

0,06%

Efficiency

81,0%

Flue gas temperature:

184,5 °C

Dust CO emission (at 13% O2):

8,9 mg/NM

3

Fuel Type:

Wood

Safety clearance distance (back):

400 mm

Safety clearance distance (side):

400 mm

Safety clearance distance (front):
Operation Type:

Intermittent

Europe - French

Puissance calorifique nominale :

11,0 kW

Émission de CO (à 13% O2) :

0,06%

Efficacité:

81,0%

Température des fumées :

184,5 °C

Émission de poussières de CO (à 13 % 

d’O2) :

8,9 mg/NM

3

Type de carburant:

Wood

Distance de sécurité (arrière):

400 mm

Distance de sécurité (côté) :

400 mm

Distance de sécurité (avant) :
Type d’opération :

Intermittent

Europe - Flemmish

Nennwärmeleistung:

11,0 kW

CO-Emission (bei 13% O2):

0,06%

Effizienz:

81,0%

Abgastemperatur:

184,5 °C

Staub-CO-Emission (bei 13% O2):

8,9 mg/NM

3

Treibstoffart:

Wood

Sicherheitsabstand (hinten):

400 mm

Sicherheitsabstand (seitlich):

400 mm

Sicherheitsabstand (vorne):
Operationstyp:

Intermittent

Japan

Nominal heat output:

11,0 kW

CO emission (at 13% O2):

0,06%

Efficiency:

81,0%

Flue gas temperature:

184,5 °C

Dust CO emission (at 13% O2):

8,9 mg/NM

3

Fuel Type:

Wood

Safety clearance distance (back):

400 mm

Safety clearance distance (side):

400 mm

Safety clearance distance (front):
Operation Type:

Intermittent

Australia

Overall  average  efficiency  burning 

hardwood When tested in accordance 

with AS/NZS 4012:

65%

Average  particulate  emission  factor 

burning  hardwood  when  tested  in 

accordance with AS/NZS 4013:

0,5 g/kg

Maximum average heat output when 

burning hardwood:

9,3 kW

Approved Fuel:

Burn only 

hardwood with a 

moisture content 

less then 25% 

(dry basis)

Wetback - All Models

Wetbacks are 

NOT an approved 

option and must 

not be fitted.

Performance may vary from test values depending 

on actual operating conditions.

Summary of Contents for Defiant FlexBurn 1975

Page 1: ...l down Hot glass will cause burns WARNING Do not touch glass until it is cooled NEVER allow children to touch glass Keep children away CAREFULLY SUPERVISE children in same room as fireplace Alert children and adults to hazards of high temperatures High temperatures may ignite clothing or other flammable materials Keep clothing furniture draperies and other flammable materials away 2425 Encore NC C...

Page 2: ...allation Considerations 5 B Fire Safety 5 C Negative Pressure 5 D Tools And Supplies Needed 6 E Inspect Appliance and Components 6 F Install Checklist 7 3 Dimensions and Clearances A Appliance Dimensions 8 B Hearth Protection Requirements 9 C Clearances to Combustibles 9 D Locating Your Appliance Chimney 11 E Chimney Termination Requirements 11 F Chimney Location 2 10 3 Rule 12 4 Chimney Systems A...

Page 3: ...nce de sécurité avant Type d opération Intermittent Europe Flemmish Nennwärmeleistung 11 0 kW CO Emission bei 13 O2 0 06 Effizienz 81 0 Abgastemperatur 184 5 C Staub CO Emission bei 13 O2 8 9 mg NM3 Treibstoffart Wood Sicherheitsabstand hinten 400 mm Sicherheitsabstand seitlich 400 mm Sicherheitsabstand vorne Operationstyp Intermittent Japan Nominal heat output 11 0 kW CO emission at 13 O2 0 06 Ef...

Page 4: ...composed of any combination of the following Steel Plaster Brick Iron Concrete Tile Glass Slate Materials reported as passing ASTM E 136 Standard Test Method for Behavior of Metals in a Vertical Tube Furnace of 750 C D Combustible Materials Material made of or surfaced with any of the following materials Wood Compressed Paper Plant Fibers Plastic Plywood OSB Sheet Rock drywall Any material that ca...

Page 5: ...ng should be given serious consideration 1 Install at least one smoke detector on each floor of your home to ensure your safety They should be located away from the heating appliance and close to the sleeping areas Follow the smoke detector manufacturer s placement and installation instructions and be sure to maintain regularly 2 2 Getting Started Check building codes prior to installation Install...

Page 6: ...d duct work and air handler joints and seams taped or sealed Basement installations should be avoided Reciprocating saw Framing material Pliers High temp caulking material Hammer Gloves Phillips screwdriver Framing square Flat blade screwdriver Electric drill and bits Plumb line Safety glasses Level Tape measure Misc screws and nails 1 2 3 4 in length 6 or 8 self drilling screws Installation and u...

Page 7: ...ace with proper clearance Chimney meets recommended height requirements Minimum 16 Feet Roof flashing installed and sealed Terminations installed and sealed Clearances Combustible materials not installed on non combustible areas Verified all clearances meet installation manual requirements Mantels and wall projections comply with installation manual requirements Protective hearth strips and hearth e...

Page 8: ...00mm 19 483mm 26 660mm C L 28 7 8 733mm Rear Venting 44 5 8 1133mm 23 3 4 603mm Flue Centerline to glass surface Door opening width 21 1 8 537mm 32 3 8 822mm 28 7 8 733mm 31 1 2 800mm m m 1693 Defiant dimensions 1 02 r opening width 537mm Figure 3 2 Side View 32 3 8 822mm 28 7 8 733mm 31 1 2 800mm 5 1 8 130mm 19 483mm 1693 Defiant dimensions 1 02 29 7 8 759mm 23 5 8 600mm 19 483mm 26 660mm C L 28 ...

Page 9: ...letely noncombustible requirement because the brick or concrete in front of the fireplace opening is supported by heavy wood framing Figure 11 Because heat passes through brick or concrete readily it can easily pass through to the wood As a result such fireplace hearths can be a fire hazard and are considered a combustible floor Keep in mind also that many raised hearths will extend less than the ...

Page 10: ...m in front of the appliance door and be placed centrally in the 940mm width The Thermal resistivity of the floor protector is 0 026m K W for 6mm thick compressed board sheets The top of the appliance rear heat shield had 5 x 13mm diameter holes drilled evening across the top of the shield to allow for air flow through the rear heatshield The Defiant Flexburn 1975 solid fuel appliance installed wit...

Page 11: ...chimney should Install through the warm space enclosed by the building envelope This helps to produce more draft especially during lighting and die down of the fire Penetrate the highest part of the roof This minimizes the affects of wind turbulence and down drafts NOTICE Locating the appliance in a basement or in a location of considerable air movement can cause intermittent smoke spillage from a...

Page 12: ... collar on the appliance Changing the diameter of the chimney can affect draft and cause poor performance It is not recommended to use offsets and elbows at altitudes above 4000 feet above sea level and or when there are other factors that affect flue draft 91 cm Minimum Less than 305 cm 61 cm 91 cm Minimum 305 cm to Nearest Roofline 61 cm Pitched Roof Figure 3 7 305 cm or more 91 cm Minimum Less ...

Page 13: ...formance of the stove suffers Imagine a vacuum cleaner with a hole in the hose to understand the effecthere Insomecasestheotherappliance canevencause a negative draft through the stove and result in a dangerous draft reversal Chimney Height The common wisdom tells us that a taller flue draws better than a short one A rule of thumb for minimum height states that the total system height from the flo...

Page 14: ...vided by the manufacturer for manufactured thimbles for masonry chimney and prefabricated chimneys Chimney The chimney can be new or existing masonry or prefabricated and must meet the following minimum requirements specified in Section 4C C Chimney Systems Prefabricated Metal Chimney Must be minimum 152 mm diameter ID high temperature chimney listed to UL 103 HT 2100 F Must use components require...

Page 15: ...it into wall opening Inside opening of frame should be no less than 356mm x 356mm Figure 4 4 Attach the wall spacer to the chimney side of the frame 5 Nail the frame into the wall opening The spacer should be on the chimney side 6 Insert the section of the solid insulated chimney into the outer wall of the masonry chimney 7 Tightly secure the length of the solid insulated chimney with the wall ban...

Page 16: ...IS Appliance TO A CHIMNEY FLUE SERVICING ANOTHER APPLIANCE DO NOT CONNECT TO ANY AIR DISTRIBUTION DUCT OR SYSTEM May allow flue gases to enter the house Improper installation adjustment alteration service or maintenance can cause injury or property damage Refer to the owner s information manual provided with this appliance For assistance or additional information consult a qualified installer serv...

Page 17: ...get hot Store the handle in the handle holder installed behind the right front leg Figure 5 4 CAUTION Overtightening can strip tapped threads Figure 5 1 Remove unit from shipping brackets 1 4 20 Bolt A Setting up your Stove Remove the unit from the shipping brackets by removing 2 1 4 20 hex head bolts from each shipping bracket leaving brackets attached to the skid Figure 5 1 Save the 1 4 20 hex h...

Page 18: ... heat shield in place Once heat shield is removed remove the 2 screws that attach the flue collar to the back of the stove Figure 5 6 Be sure the gasket around the flue collar opening is in position when you screw the collar back onto the stove Figure 5 7 1 4 1 8 Bracket mounting screw hole location Fold bracket strap over catalyst probe shaft and secure with screw Insert catalyst probe through sh...

Page 19: ...y the fire must be replaced Air is replaced via air leakage around windows and under doors In homes that have tightly sealed doors and windows an outside air source is needed An optional Outside Air Kit is available Items Needed for Installation not supplied Phillips head screw driver Outside air shield Wire ties Plastic outside air vent Flex Rigid pipe Silicone sealant Drills and saws necessary f...

Page 20: ...CO detector manufactures placement and installation instructions and maintain regularly You may not however wish to install a detector in the immediate vicinity of the stove Depending on the sensitivity of the unit the alarm can be set off while you are tending the fire or emptying the ashes If you install a detector in the same room locate it as far away from the stove as possible Safety Tips Con...

Page 21: ...Vermont Castings Defiant Flexburn 1975 Installation Manual_R1 2021 ___ 08 21 21 8390 035i ...

Page 22: ...Important operating and maintenance instructions included Leave this manual with party responsible for use and operation Read understand and followtheseinstructions for safe installation and operation DO NOT DISCARD This product may be covered by one or more of the following patents United States 5341794 5263471 6688302 7216645 7047962 or other U S and foreign patents pending We recommend that you...

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