Fahrenheit Technologies Endurance 50F - Adjustments

20 ENDURANCE 50F ADJUSTMENTS
Figure 13
Burn Pot
It may be necessary to open the door briefly to see down in
theburnarea.Whenburningcorn,thebottomoftheburnpot
should have a bed of red coals with layer of corn. The corn
should turn black rapidly after it falls into the pot. If the corn
is building up it will begin to stick together and will eventually
over flow the pot. To remedy this, increase the air intake by
opening the damper assembly slightly. If the coal bed is only
red in the middle and the edges appear not to be burning, it is
possible there is too much air flow. Reduce the inlet air using
the damper assembly. Constantly running the furnace on a low
setting with too little combustion air may cause creosote and
condensation to form.
Flame
Proper air adjustment should result in a violent flame that is
bright in color. This will be the most effective flame and the
cleanest burning flame. Level 1 may be the exception due to
the small amount of fuel being fed in. If the flame appears
tobelazyanddarkyellowincolortheairowisprobably
too low. If this occurs, build up can occur in the exhaust and
the unit, resulting in poor performance. Break-in requires the
burning of 15 bushels of fuel or a continuous burn for two
weeks. The adjustment screw is used for fine adjustments and
to have a factory setting that should work in most applications.
If you experience problems adjusting the 50F furnace during
the break-in period, contact your dealer. Some chimney
systems have abnormal characteristics, which can take time to
adjust. For instance a chimney with excessive draft or one with
alonghorizontalrun.
Thermostat Control
The 50F furnace may be controlled with a thermostat to help
maintain a more consistent temperature. A biomass furnace will
be a little slower in reacting to a thermostat than the typical
gas, electric or oil fired furnace. Keep in mind that the furnace
is constantly producing some heat that helps heat the home
while the furnace is in pilot mode. The furnace will operate at
the selected thermostat high heat level when heat is called for
and heat level 1 when no heat is required.
Fan Limit Control
The 50F furnace uses a fan limit control built into the furnace
centered below the 10" plenum opening. The high limit
function of this control is set at a maximum setting of 200° F.
There are two fan control settings. They control when the
convection blower turns on, and when the blower turns off.
This will help control the temperature of the air coming out of
the registers. The fan limit has a breakaway tab that has been
removed.Whenreplacingthefanlimitcontrol,besureto
remove the tab as shown in figure 13.
Remember: Choosing a lower pilot setting may re-
quire the damper to be fine-tuned to match the lower
feed rate. Monitor how the furnace is operating after
a change is made and adjust the damper if needed.
CAUTION
Do not tamper with the high limit setting.
ADJUSTMENTS