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Flex Fuel Owner’s Manual 2012
12: Bulk Materials Auto Mode
Check the Status Line(s)
Always monitor the current operating status which is displayed on the status line. It is only possible
to start the furnace in operating mode “Bulk materials auto control” when the operational status is “Boiler
isswitchedo!”,“Stopsystem!”,“Stopsystem!Firebedmonitoring!”,“Availability”,“Heatexchangercleaner
waitingtobereleased!”,or“Heatexchangercleaningisactive!”.Furtherdetailsonthestatuslinesare
given in section 12.7 .
Check the Insert
Check that the correct insert is installed in the rebox, and that the insert is free from any buildup that
may block air ow. Remove and clean the insert if needed. Below is the correct insert for this operating
mode.
12.3 Filling the Furnace
Note: Smoldering Gas Extraction is not available at this time. To vent the furnace to prevent ash from
exiting through the rebox door it is possible to turn on the fans via Output Tests - Boiler (Section 9)
and switch the draft fan on (Outputs 1 screen) while you load the furnace, then switch it o.
The lling procedure can begin providing change-over is permitted.
Note: The furnace will ALWAYS switch to “Bulk materials” after a successful ignition process. It is nec-
essary to switch back to “Bulk materials - auto control” every time it is to be used. Caution should be
used to ensure the furnace is cool enough to reload. If the furnace is not allowed to cool the materials
may self combust before the set time release.
First, place a few small pieces of kindling directly on
the insert.
Note: Ensure that the igniter tube is not blocked
by kindling. The igniter tube is located in the bot-
tom of the rebox right next to the insert on the
right side.
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