INSTALLATION, OPERATION AND MAINTENANCE MANUAL
BiSolid Comfort OM-BSCV00/08/2012/EN
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5. BOILER OPERATION AND CONTROL WITH WOOD LOGS
5.1. BOILER FIRING
Before firing a hot water boiler from BiSolid Comfort 03/04/05 series check the manometer and
wether there is enough water in the heating system. Open the stopping valve, located between
the boiler and the heating system. Spread paper over the cleaned fire-grate and then put over
it enough quantity of chopped wood pieces. Open the flue flap and close the fuel feeding door.
Ignite the paper through the ash cleaning door and fully open the regulating flap, located on
the same door. When the fire has ignited enough layer of the main fuel, a smooth burning
should be observed. When the fire has enough power, add more fuel up to the lower edge of
the fuel feeding door.
Ensure equal layer of fuel on the whole boiler depth. When the boiler has reached the needed
heating output, then it is necessary to part or half close the chimney flap, in order ro prevent
exctraction of heat to the chimney.
Danger
Do not start the boiler if it’s not connected to a chimney.
Before starting the boiler check its connection with the chimney.
Check the chimney draught. If it is above the recommended values a
draught regulator has to be installed.
5.2. HEATING WATER TEMPERATURE ADJUSTMENT
When the desired heating water temperature is 60°C, you can heat the water in the boiler for
example with 5°C higher than the desired temperature of 60°C (it is measured by the boiler
thermometer). This is possible if you turn the thermo-regulating valve’s head to 65°C and
check if the regulating chain is streched and the regulating flap is completely closed. This
position of the flap regulating chain can be adjusted by turning the regulating valve’s head.
Then the process of adjustment works out. When the water temperature decreases, the
regulating flap will start to open by the force applied from the chain. When the water
temperature suddenly increases, the regulating flap will start to close. In such way the air fed
in the burning zone can be regulated, respectively the water temperature in the boiler.
5.3. REFUELING THE BOILER
First close the regulating flap, this action will cut the air supply needed for firing in the boiler.
After that, open the chimney (flue) flap completely. Gradually open the fuel feeding door and
wait until all gasses are led out from the burning chamber to the chimney. Only then you can
open the fuel feeding door completely and start to refuel the boiler. After closing the fuel
feeding door, you should again restore the chimney flap position and the regulating flap
function.
Danger
Boiler doors must not be opened when it operates continuously.
When refueling the boiler ensure minimum distance of 5 cm between the
loaded fuel highest point and the combustion chamber top surface.
