Buderus Logano GB125 BE Installation And Maintenance Instructions Manual page 41

CAUTION: Risk of system damage due to
use of incorrect brushes!
B Use only the cleaning brushes suitable for
the heat exchanger system.
B Clean the inside of the heat exchanger system with
plastic cleaning brush [1] (brush available separately).
Avoid damaging the flue gas temperature
sensor.
B Vacuum out visible and loose combustion residue
under the cleaning access cover.
B Check the gasket of the cleaning access cover and
replace if damaged or hardened.
DANGER: Risk of fatal injury from escaping
flue gases!
B When reinstalling the cleaning access
cover, take care to ensure it is seated
correctly and seals properly!
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!
B When wet cleaning the heat exchanger,
use only water or cleaning agents
approved by Buderus.
B Reinstall cleaning access cover and
gasket.
B After completing cleaning, check any
connections that were disconnected for
leaks.
Follow the instructions for use of the cleaning
agent. Under some circumstances you may
have to proceed differently from the method
described here.
CAUTION: Risk of system damage from
corrosion and short-circuit!
B When wet cleaning protect electrical
components including the manual reset
high limit (STB) from moisture and
chemicals.
Logano GB125 BE US/CA - Subject to technical modifications.
Heating system inspection
Fig. 44 Brushing out the heat exchanger system
(viewed from above)
1 Plastic cleaning brush (accessory, part # 7747007899)
8
41