Buderus Logano GB125/22 BE Installation And Service Instructions Manual page 43

V Clean the inside of the heat exchanger system with
plastic cleaning brush [1] (brush available separately).
V Vacuum out visible and loose combustion residue
under the cleaning access cover.
V Check the gasket of the cleaning access cover and
replace if damaged or hardened.
Danger: Risk of fatal injury from escaping
flue gases!
V When refitting the cleaning access cover,
take care to ensure it is seated correctly
and seals properly!
Caution: Risk of system damage due to use
of incorrect brushes!
V Use only the cleaning brushes suitable for
the heat exchanger system.
Avoid damaging the flue gas temperature
sensor.
Wet cleaning can also be carried out in addition. Follow
the same procedure as described for cleaning with the
brush.
Caution: Risk of system damage from
chemical cleaning agents!
V When wet cleaning the heat exchanger,
use only water or cleaning agents
approved by Buderus.
V Refit cleaning access cover and gasket.
V After completing cleaning, check any con-
nections that were disconnected for leaks.
Observe the instructions of the cleaning
agent. Under some circumstances you may
have to proceed differently from the method
described here.
Caution: Risk of system damage from corro-
sion and short-circuit.
V When wet cleaning protect electrical
components including the flue gas safety
limiter (STB) from moisture and chemi-
cals.
Logano GB125 BE US/CA - Technical specifications are subject to change without prior notice.
Heating system servicing
Fig. 43 Brushing out the heat exchanger system
(viewed from above)
1 Plastic cleaning brush (available separately)
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