Biodom C15 - Boiler Operation Modes; Boiler During Operation; Boiler Start-up and Shutdown

Biodom C15 | instructions for use, maintenance and installation | February 2019
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12.1. BOILER DURING OPERATION
The display shows current operation phase (e.g. TestFire, HeatUp etc.). Upper display shows set and
actual boiler power alternately every 5 seconds.
Press button + to increase set power value, and press button – to decrease it.
Press MENU button to display set water temperature in the boiler. You can modify it with buttons +
and -.
The boiler operates at set power, until water temperature in the boiler reaches modulation threshold
or until smoke gases reach limits. In first case, Regu H20 is displayed, and in second Regu Gas.
In case of power outage for less than 2 minutes, the boiler resumes normal operation when power
supply restores. If the outage lasts more than 2 minutes, the boiler automatically performs safety
shutdown and cooling and then restarts.
12.2. BOILER SHUTDOWN
When pressing and holding the ON/OFF button for more than half a second (during boiler operation),
the display shows ON, and the boiler starts shutdown sequence once the button is released. Dosing
screw turns off and the display indicates STOP FIRE. Fans operate at high speed to prevent excessive
increase of water temperature in the boiler. When the boiler cools down under set temperature, fans
switch to maximum speed and blow out the last parts from the firebox. Display indicates OFF.
12.3. BOILER ACTIVATION
When pressing and holding the ON/OFF button for more than half a second (boiler at standstill), the
display shows OFF, and the boiler begins activation sequence once the button is release. Display
indicates TESTFIRE. Fans operate at high speed to clean the firebox. Dosing screw is at standstill, spark
plug is heating.
If the firebox temperature is low, sequence HEAT UP begins, where pellets are dosed quickly and fans
stand still. Then sequences Fuel IGNI and TEST IGNI start, until the boiler reaches conditions for
transition to burning phase (BURN).
ATTENTION
By pressing and holding MENU button for 2 seconds (release the button when tH20 displays),
the display indicates current water temperature in the boiler. By pressing button UP or button
DOWN you select display of other temperatures and fan status .