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Integration of Rocket Heater to Thermal Mass

The Liberator RMH-2.0 can be integrated to thermal mass. The benefits of using thermal mass

is   a   thermal   battery/flywheel   effect   which   allows   the   stove   to   keep   the   structure   warm   without
necessitating a continuous 24/7 firing. However, there are many variations of thermal mass integration
and each installation is almost inherently a custom designed and built to the customers needs. It is
highly recommended that an experienced mason, masonry heater, and rocket mass heater builder be
contacted for individual assessment and assistance.

Rules For Integration of Rocket Heater to Thermal Mass

1. Do not encase the burn chamber of the RMH-2.0 with thermal mass.
2. When routing an exhaust pipe horizontally through thermal mass the horizontal section

of pipe should have a rise going upwards towards the chimney of at least 3 degrees.

3. All clearances to combustibles guidelines must be adhered to. Thermal mass will not

insulate, shield, or protect combustibles from the stove or exhaust pipe.

4. The   floor   must   be   capable   of   supporting   the   heavy   thermal   mass   bench.   A  slab

foundation is recommended. Contact a civil engineer if the thermal mass is NOT going
to be installed on a slab and reinforce the floor as necessary.

5. The heat exchanging pipe should be at least 6” beneath any surface of the thermal mass.
6. The thermal mass must be made exclusively of non-combustible and non-flammable

materials.

7. Do not use corrugated pipe. Keep bends to a minimum. You will still need to install the

heater to a chimney as recommended in this manual. Use black stove pipe at least 24
gauge thick, secure by at least 3 screws at 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 air inlet when integrating the heater to thermal mass. In fact,

we recommend it as it will increase the heater's efficiency.

9. The   horizontal   length   running   through   the   thermal   mass   can   not   exceed   12'   feet

regardless of the height of the chimney. If the chimney is 24' feet or less in height, the
height of the chimney must be at least twice the length of the horizontal run.

10.Thermal mass can partially encase the RMH-2.0 directly in addition to encasing the

horizontal   run   of   pipe.   However,   do   NOT   cover   the   cooktop,   ash   cleanout   door,
combustion chamber, or the top lid/fuel feed tube with thermal mass.

11.It is highly recommended that you be mindful of cleaning out the heat exchanging pipes

and the chimney. Install T-connectors at convenient locations to give yourself access to
the inside of the heat exchanging pipes of the thermal mass. Only use elbows in areas
where a T-connector would not give you any added accessibility.

It is highly recommended that you consult experienced professionals in the construction of a

true Rocket Mass Heater. Integrating a rocket heater to thermal mass is inherently a custom job that
requires   utmost   care,   consideration,   knowledge,   experience,   and   talent   to   design,   construct,   and
operate. Though every installation and integration to thermal mass is by definition different and unique,
on the next page are some diagrams of some examples of basic installation layouts.

If you decide to integrate thermal mass to the Rocket Heater, RMH-2.0 we highly recommend

“The   Rocket   Mass   Heater   Builders   Guide”   by   Ernie   and   Erica   Wisner,   ISBN:   0865718237   and
contacting experienced masonry heater and rocket mass heater builders.

Page 14

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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