
Cleaning and maintenance of the boiler
Technical instructions
BioTec Plus
110
Carefully remove the photocell from the box and then gently with a cotton swab clean the
body and lens of photocell. After cleaning, carefully return photocell to work position.
The photocell should not be set too deep or too shallow in the box. So, limiter determines the proper depth of photocell
position. Make sure the limiter is set as shown in the illustration below.
The limiter must be placed so that part of the photocell is 40 mm free.
40mm
Limiter
Screw for
fixed limiter
Rubber
seal
At least once a year
(or if you have problems
with the ignition)
25, 35 and 45 kW
Photocell cleaning
Dirty photocell which can result error in
ignition or flame dissapear error
Valid photocell
Cleaning interval
Boiler type
Description
New photocell