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C. Loading Wood
Caution! Doors, covers, coals & ashes are hot!
Wear safety glasses and use heavy gloves.
Caution! Never open fuel door without first turning off the boiler at the front or rear switch
and allow idling for at least 10 minutes before opening or flame spillage may occur!
Caution! Flammable gases fill the firebox when idling. Pause at blowback catch for 30
seconds and then stand to the side when fully opening until smoke dissipates enough to see
inside. Failure to do this can result in possible flashback to the face from gases igniting.
Always move the previous load of wood over the hole in the floor before loading new wood.
Use care to avoid hitting air diverter!
You will need to adjust an existing load if it doesn’t
automatically fall over the holes during burning as the coals burn away from the hole. This is
required so the exhaust gases are hot enough to ignite for the 2
nd
stage of burning in the
gasification chamber below the firebox for the most efficient and complete burn. It is ok for some
coals to drop through the exhaust hole in the floor as they will burn up.
Make sure exhaust hole in
floor does not become jammed with coals or clogged with ash or operation will be affected.
Add wood before the previous load has burned down to 25% of firebox capacity to have enough hot
coals to maintain good gasification and dry out the next load of wood. Most often the boiler can be
loaded in the morning and at night. Burn times vary from 6-24 hours depending on fuel being used
(wood with higher moisture content will require more frequent loading), installation, temperatures
maintained and size of area being heated. Nature’s Comfort makes no guarantees on burn times as
there are too many variables outside of its control.
D. Power Loss, Running On A Generator
If there is a loss of power while the unit is running the firebox air damper actuator will close on
battery power but boiling of the water jacket may occur due to the pump not circulating water.
The
controls are designed for the control plug to be used on a generator or vehicle inverter if needed. If
the water jacket ever starts to overheat from lack of circulation during a power outage, first make
sure to keep the water level full then use this feature to keep the pump running.
***NOTE*** The battery will not charge until power is restored to the lower outlet unless you move
the battery charger to a live plug or outlet. The spare outlet has a total of 10amps available to be
used for an additional pump or convenience load if desired. Do not load more than this as
overloading of the supplying circuit will occur.
E. Warm Weather Operation, Bypass For Domestic Hot Water Only
Operation in warmer weather will result in larger amounts of creosote due to longer idle times and
can also be more difficult as too many coals may cause the water jacket to boil if not enough heat is
pulled from the water to heat the home. Use smaller loads of wood if this happens. Adequate water
circulation is critical for preventing water from boiling. Also make sure all rope seals are properly
sealed to prevent any extra air from feeding the fire. See the maintenance section for how to adjust
door seals.
For heating of domestic hot water without heating the home, install a 3-valve bypass system shown
in the next figure (shown on a water-to-air heat exchanger). This permits use of the boiler during the
spring, summer and fall seasons to heat domestic hot water when heating the home may not
needed or wanted. Use of union fittings between the isolation valves and the heat exchanger for
easy removal is recommended.
Summary of Contents for GT-6000
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