Centrometal Bio-Tec Series Technical Manual

USE OF THE BOILER - QUICK OVERVIEW (see details under the point 6.0, 6.4., 10.0.)
Open upper boiler door (and close bottom if they open).
Put fine chopped wood to the top chamber, on refractory stone (chamotte) over the burner nozzle so
that the nozzle is not obstructed, then put crumpled paper for ignition and fill the top chamber with fuel
(split logs).
Close upper boiler door.
Turn the MAIN SWITCH on.
Push the button START (the LED diode flutters).
Open the middle door and ignite paper.
Couple minutes after fine chopped wood starts burning, close the middle door.
Push the button START (the LED diode lights).
(Only for Bio-Tec 25) place the button RP into position " "
(Only for Bio-Tec 25) leave the button RP in position " " at least 1 hour or longest to the next charge
with wood and then restore it in the left position.
(The above actions are for ignition of the boiler from cold state (without glow). These measures should
be implemented always when we don't have, or don't have enough glow, and we will load the wood).
After the regulation starts to display the lack of fuel
continue the heating process)-BEFORE REFILLING, press START button ones, when upper chamber
is full with wood and all doors are closed press button START for second time.
It is not recommended to open the boiler's door while the light
When refill the boiler with fuel the main switch must be turned on. When the firing process is over, we
can turn off the main switch, but first it is necessary, after the indication ''FUEL''
wait that the boiler cool down under 65°C and the glow disappear in combustion chamber. Ater that the
main switch on the control boiler unit may be turn off (see point 7.0.).
IMPORTANT !
The fuel to be used is only wood under 25% humidity content (wood dried min. 1 year).
The outlet temperature always has to be over 60°C. This can be reached by obligatory connection of the
3-way thermic valve ESBE VTC 512, VTC 531, LTC 141 or Laddomat 21, which blocks the boiler
temperature fall under the 60°C level.
The connection of CAS water accumulators is obligatory. It is recommended to connect min. 50 liters
water accumulation to each 1 kW of boiler power.
To the closed central heating system an expanding vessel has to be connected (the volume of the
expanding vessel is about 10% of the installation volume).
To the open central heating system an open expanding vessel has to be conneced (OPC), which volume
has to be about 7% of the installation volume.
Centrometal d.o.o. shall not be responsible for possible incorrect data caused by printing errors or error made in transcription and all figures and
diagrams are for explanatory purposes only and relevant adjustment have to be made at the spot. In any case, it reserves the right to modify its products
as deemed to be required and useful without any prior notification.
Centrometal d.o.o. Glavna 12, 40306 Macinec, Croatia
maloprodaja tel: +385 40 372 640
centrala tel: +385 40 372 600, fax: +385 40 372 611
www.centrometal.hr
e-mail: servis@centrometal.hr
, the fuel should be refilled (if it is necessary to
is NOT on.
is turned on, to
HEATING TECHNIQUE
HEATING TECHNIQUE
Centrometal d.o.o. - Glavna 12, 40306 Macinec, Croatia, tel: +385 40 372 600, fax: +385 40 372 611
TECHNICAL MANUAL
For assembling, use and maintenance
of the boiler
and additional equipment
TUBT253545-07/2012-eng
Bio-Tec