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Vermont Castings  •  Dauntless FlexBurn Installation Manual_R8  •  2020 - ___ •  11/21

5

3-90-586000i

A. Design and Installation Considerations

Consideration must be given to: 

 

•  Safety

  • Convenience

 

•  Traffic flow

 

•  Chimney and chimney connector required

It is a good idea to plan your installation on paper, using exact 

measurements for clearances and floor protection, before 

actually beginning the installation. If you are not using an 

existing chimney, place the appliance where there will be a 

clear passage for a factory-built listed chimney through the 

ceiling and roof. 

We recommend that a qualified building inspector and your 

insurance company representative review your plans before 

and after installation.

If this appliance is in an area where children may be near 

it is recommended that you purchase a decorative barrier 

to go in front of the appliance. 

Remember to always keep 

children away while it is operating and do not let anyone 

operate this appliance unless they are familiar with these 

operating instructions.

C. Negative Pressure

Negative pressure results from the imbalance of air available 

for the appliance to operate properly. It can be strongest in 

lower levels of the house.

Causes include:

•  Exhaust fans (kitchen, bath, etc.)

•  Range hoods

•  Combustion air requirements for furnaces, water 

appliances and other combustion appliances

•  Clothes dryers

•  Location of return-air vents to furnace or air conditioning

•  Imbalances of the HVAC air handling system

•  Upper level air leaks such as: 

-  Recessed lighting

-  Attic hatch

-  Duct leaks

B. Fire Safety

To provide reasonable fire safety, the following 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. 

Getting Started 

Check building codes prior to installation.

•  Installation MUST comply with local, regional, state and 

national codes and regulations.

•  Consult insurance carrier, local building, fire officials 

or authorities having jurisdiction about restrictions, 

installation inspection, and permits.

CAUTION

!

Asphyxiation Risk

•  DO NOT CONNECT THIS APPLIANCE TO 

A CHIMNEY FLUE SERVICING ANOTHER 

APPLIANCE.

WARNING

!

•  DO NOT CONNECT TO ANY AIR DISTRIBUTION 

DUCT OR SYSTEM.

May allow flue gases to enter the house.

2.  A conveniently located Class A fire extinguisher to contend 

with small fires resulting from burning embers.

3.  A CO detector should be installed in the room with the 

appliance.

4. A practiced evacuation plan, consisting of at least two 

escape routes.

5.  A plan to deal with a chimney fire as follows:

 

In the event of a chimney fire:

a.  Evacuate the house immediately

b.  Notify fire department.

Notice:

  Hearth  &  Home  Technologies  assumes  no 

responsibility for the improper performance of the 

appliance system caused by:
 • 

Inadequate draft due to environmental conditions

 •  Down drafts
 •  Tight sealing construction of the structure
 •  Mechanical exhausting devices

 •  Over drafting caused by excessive chimney heights
 •  Ideal performance is with height of chimney between 16 

feet (4.88m) measured from the base of the appliance.

Asphyxiation Risk

•  Negative  pressure  can  cause  spillage 

of combustion fumes, soot and carbon 

monoxide.

•  Appliance needs to draft properly for safety.

WARNING

!

Summary of Contents for Dauntless FlexBurn

Page 1: ...the vicinity of this or any other appliance Do not over fire If appliance or chimney connector glows you are over firing Over firing will void your warranty Comply with all minimum clearances to combu...

Page 2: ...ations 3 E Non Combustible Materials 4 F Combustible Materials 4 G California 4 2 Getting Started A Design and Installation Considerations 5 B Fire Safety 5 C Negative Pressure 5 D Tools And Supplies...

Page 3: ...6 Inch 152 mm Firebox Size 1 8 cu ft Outside Air Size 3 Inch Recommended Length 16 Inch Max Wood Length 18 Inch Fuel Orientation East West Fuel Seasoned Cordwood 20 moisture or less Weighted average...

Page 4: ...r surfaced with any of the following materials Wood Compressed Paper Plant Fibers Plastic Plywood OSB Sheet Rock drywall Any material that can ignite and burn flame proofed or not plastered or non pla...

Page 5: ...hould 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 slee...

Page 6: ...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 screwd...

Page 7: ...e with proper clearance Chimney meets recommended height requirements Minimum 16 Feet Roof flashing installed and sealed Terminations installed and sealed Clearances Combustible materials not installe...

Page 8: ...lass surface Door opening width 24 5 8 625 mm 17 1 2 445 mm 16 3 8 416 mm 18 7 16 479 mm 23 1 16 586 mm 25 3 4 654 mm 25 5 8 651 mm 25 3 4 654 mm 13 3 8 340 mm 27 686 mm 22 5 8 575 mm Figure 3 2 Side...

Page 9: ...ingle wall pipe 1 6 0 0 m m 8 1 0 m m 9 3 1 m m 1 4 6 7 m m 4 5 7 m m f r o n t d o o r o p e n i n g CANADA Figure 3 7 457MM FRONT DOOR OPENING 203MM 1114mm minimum 1254mm minimum 203MM Must extend 5...

Page 10: ...Pipe 10 26 1 2 14 For Factory Alcove 6 diameter listed Double wall air insulated connector pipe with UL103 HT listed factory built Class A Chimney or Masonry chimney Maximum depth Alcove shall be no m...

Page 11: ...20 Figure 3 13 Disclaimers Extended floor protection may be required for shallow installs follow floor protection requirements Full insertion installation may not allow use of the top load door depen...

Page 12: ...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 r...

Page 13: ...g 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 facto...

Page 14: ...d in these installations but manufacturers are no longer permitted to specify these on EPA Certified models The chimney system should be carefully reviewed and draft tested if possible prior to instal...

Page 15: ...ys Chimney The chimney can be new or existing masonry or prefabricated and must meet the following minimum requirements specified in Section 4B C Chimney Systems Prefabricated Metal Chimney Must be mi...

Page 16: ...lumber to fit into wall opening Inside opening of frame should be no less than 14 x 14 356 mm x 356 mm Figure 4 4 Attach the wall spacer to the chimney side of the frame 5 Nail the frame into the wal...

Page 17: ...e 6 152mm UL103 HT WARNING WARNING Asphyxiation Risk DO NOT CONNECT THIS APPLIANCE TO A CHIMNEY FLUE SERVICING ANOTHER APPLIANCE DO NOT CONNECT TO ANY AIR DISTRIBUTION DUCT OR SYSTEM May allow flue ga...

Page 18: ...ll the Bottom Heat Shield NOTE TheBottomHeatShieldisrequiredinmostinstallations Refer to Floor Protection in the Dimensions and Clearances Section of this manual for further details 1 Align the bottom...

Page 19: ...heavy stove gloves available near the stove Have special safety accessories e g Child Guard Screen available for use if small children will be in the home Fire Risk Do not leave the fire unattended wh...

Page 20: ...e wall or flooring in your home 1 Remove all materials from packing box 2 Using a 2 Phillips screw driver attach the flex adapter to the appliance using 4 screws Figure 5 8 5 9 3 Floor Rear Installati...

Page 21: ...rk Metalbestos DS or Security DL double wall connector or any listed double wall connector pipe 5 In Canada this appliance must be connected to a 6 152 mm factory built chimney conforming to CAN ULC 6...

Page 22: ...mportant operating and maintenance instructions included Leave this manual with party responsible for use and operation Read understand and followtheseinstructions for safe installation and operation...

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