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Chimney Connection

Masonry Chimney

 

The masonry chimney must comply with UL or equivalent NRTL and NFPA 211 standards and codes. Before using

an existing masonry chimney, clean the chimney and inspect the flue liner to be absolutely sure it is safe to use.

Rules For Connecting To A Masonry Chimney

1. Use a minimum of 3-1/2" inch brick masonry wall framed to a combustible wall. A fireclay liner

(ASTM 135 or equivalent) having a 5/8" inch minimum wall thickness must be used and it must
be at least 12" inches (1' foot) away from any material that could catch fire. The inside diameter
of the fire clay liner shall be sized for the proper snug fit to a 6" inch diameter chimney
connector pipe. The fireclay liner shall run to, but not beyond, the inner surface of the chimney
flue and be firmly cemented in place.

2. Use a solid insulated listed factory built chimney length having an inside diameter of 6" inches

and having 1" inch or more of solid insulation. There must be at least a 9" inch air space
between the outer wall of the chimney length and any combustible materials. The inner end of
the chimney length shall be flush with the inside of the masonry chimney flue which shall be
sealed   to   the   flue   and   to   the   brick   masonry   penetration   with   non   water-soluble   refractory
cement. Flash sheet steel supports which are at least 24 gauge (0.025" inches) in thickness shall
be securely fastened to wall surfaces on all sides. Fasteners between supports and the chimney
length shall not penetrate the chimney liner.

3. Use a 10" inch diameter ventilated thimble made of at least 24 gauge (0.025" inch) steel having

two   (2)   1"   inch   air   channels.  The   ventilated   thimble   must   be   separated   from   combustible
materials by at least 6" inches of glass fiber insulation. The opening in the combustible wall
shall be covered and the thimble supported with sheet steel supports which are at least 24 gauge
(0.025" inch) in thickness. The sheet steel supports shall be securely fastened to wall surfaces
on all sides and shall be sized to fit and hold the chimney section. Fasteners used to secure
chimney sections shall not penetrate the chimney flue liner.

4. Use an 8" inch diameter solid insulated listed factory-built chimney length which has 1" inch or

more solid insulation. The minimum length of the chimney section shall be 12" inches and will
serve a pass through for the 6" inch diameter chimney connector. There must be at least a 12"
inch air space between the outer wall and the chimney section and any combustible materials.
The chimney section shall be concentric with and spaced 1" inch away from the chimney
connector by means of sheet steel support plates on both ends of the chimney section. The
opening in the combustible wall shall be covered and the chimney section supported on both
sides with sheet metal supports which are at least 24 gauge (0.025" inches) in thickness. The
sheet steel supports shall be securely fastened to wall surfaces on all sides and shall be sized to
fit and hold the chimney section. Features used to secure chimney sections shall not penetrate
chimney flue liner.

5. A UL or NRTL listed factory-built wall pass-through system may be purchased and installed

according to the instruction supplied with it to provide a safe method of passing the chimney
connector through a combustible wall for connection to a masonry chimney.

Please See the Following Pages for Diagrammatic Details

and Clearances for Masonry Chimney Installation

Page 7

Содержание RMH-2

Страница 1: ...OWNERS MANUAL LIBERATOR ROCKET HEATER Model RMH 2 SAVE THIS MANUAL FOR FUTURE REFERENCE ROCKETHEATER COM Page 1...

Страница 2: ...ion of Combustion Air Inlet Page 13 8 Integration of Rocket Heater to Thermal Mass Pages 14 15 9 Installation and Use of Chimney Flue Damper Page 16 10 Operation and Maintenance of Heater when Burning...

Страница 3: ...d products of any kind or any other fuels not covered in this manual at any time under any circumstances Plastics foam material or any other material not mentioned are never to be used in any way as a...

Страница 4: ...ng heating appliance chimney Use a 6 inch diameter chimney that is high enough to give a good draft Creosote Formation and Need for Removal When wood burns slowly it produces tar and other organic vap...

Страница 5: ...e the supplied Pellet Burn Grate must be inserted into the heater Never connect this unit to a chimney flue serving another appliance Save this manual for future reference To prevent injury do not all...

Страница 6: ...do not have one Only use a cleaned and inspected masonry chimney that is properly lined for wood burning appliances or a UL or other NRTL Listed chimney designed for wood burning appliances 2 Place th...

Страница 7: ...ls The ventilated thimble must be separated from combustible materials by at least 6 inches of glass fiber insulation The opening in the combustible wall shall be covered and the thimble supported wit...

Страница 8: ...Flue Connection Through a Non Combustible Wall Page 8...

Страница 9: ...Page 9...

Страница 10: ...Page 10...

Страница 11: ...sheet metal screws and seal with furnace cement including the joint s at the chimney 5 It is recommended that not more than four 4 bends of 90 degrees OR any amount of bends regardless of direction ex...

Страница 12: ...Through Ceiling Installation Page 12...

Страница 13: ...tal screws through the two screw holes 2 When installing the combustion air inlet duct pipework it is recommended to keep the pipe horizontal with as few bends as possible 3 If you do use elbow s the...

Страница 14: ...t the joints Do NOT route an exhaust vent directly out of the wall You need a chimney for a proper draft Use one of the chimney types described in pages 6 11 of this manual 8 You can use a combustion...

Страница 15: ...DIAGRAMMATIC DETAILS FOR THERMAL MASS Page 15...

Страница 16: ...the curved shank 8 of the flue damper shaft 7 into the center slot 9 of the flue damper When properly locked together the flue damper and operating handle 10 will be parallel How To Use A Flue Chimney...

Страница 17: ...dfuls of very small twigs not more than 1 8 inch in width larger twigs about 1 4 to 1 2 inch wide and running fuel not more than 1 1 2 inches in width To light the rocket heater first lift open and of...

Страница 18: ...opper on top of the fuel feed tube of the Rocket Heater Make sure that the hopper is well seated and centered and ensure that the pellet hoppers retainers see next page are properly set within the tub...

Страница 19: ...econds or until there is a steady draft 3 Turn off the torch and place it well away from the heater Leave the Ash Cleanout Door off for about 1 minute Then close the ash cleanout door The stove is now...

Страница 20: ...ttempting to close off the air supply do not attempt to close the air supply extinguish or fight the fire In such situations evacuate the building call 911 and let professional firefighters handle the...

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