Lateral opening
for cleanign the
flue gas chamber
(on left side of the
boiler)
BioTec Plus
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2
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Checking the correctness of security valve
By briefly turning the cap of safety valve (C) check whether water coming
out from the safety valve. If no water comes out after several repeated
checks, then is necessary to replace the safety valve.
Cleaning / maintenance interval
Boiler power
Description
Every 6 months
25, 35 and 45 kW
Check the correctness of security
valve
C
Cleaning / maintenance interval
Boiler power
Description
At least once per year.
25, 35 and 45 kW
Cleaning of flue gas chamber.
1 - Switch off the boiler and disconnect from electric. power.
2 - Before cleaning flue gas chamber, pull lever (ZP) few times (see ”flue gas tubes cleaning“)
3 - Take out insulation cover, unscrew two screws which hold door of flue gas chamber.
4 - Insert ashtray and clean the flue gas chamber with scraper.
5 - Put the doors and insulation cover to original position.
Note: For the proper operation of the boiler it is IMPORTANT to hard tight the doors how
it to seal perfectly!
Before this procedure be sure to disconnect boiler from
electric. power!
Cleaning / maintenance interval
Boiler power
Description
At least once per year
25, 35 and 45 kW
Cleaning and checking the
flue installation sealing
Clean flue installation between the boiler and the chimney through the revision openings for
cleaning or if not incorporated revision opened by removing the flue installation. After cleaning,
inspect flue installation good sealing and seal it if the seal is not satisfactory.
Cleaning and checking the flue installation sealing
Before this procedure be sure to disconnect boiler from
electric. power!
Cleaning and maintenance of the boiler
Technical instructions
BioTec Plus
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