Preparing Boiler For Cleaning - Buderus Logano G234X Installation And Maintenance Instructions Manual

8
Heating system inspection and maintenance
8.4

Preparing boiler for cleaning

DANGER: Risk of fatal injury from electric
current when appliance is opened up!
B Before opening the boiler:
Disconnect the heating system from the
electrical power supply by means of the
emergency shutoff switch or the heating
system circuit breaker on the main fuse
panel.
B It is not sufficient just to switch off the
control panel.
B Take measures to ensure that the heating
system cannot be switched on again
unintentionally.
B Decommission the heating system (
B Remove front wall of boiler
Fig. 42 Remove front wall of boiler
1 Locking screws
2 Boiler casing
3 Front wall of boiler
DANGER: Risk of fatal injury from the
explosion of flammable gases!
B Operations on the gas pipes may only be
carried out by a properly licensed gas
contractor.
B Wait five (5) minutes until all gas residues
have dissipated. Check whether there is
any smell of gas, including at floor level. If
you smell gas, STOP!
Check that the gas shut-off is closed.
Repeat the odor test. If you do not smell
gas, go to the next step.
38
B Turn the gas valve ON/OFF button [1] clockwise to the
"OFF" position. Do not use force.
page 36).
Fig. 43 Gas valve
1 ON/OFF button (at "OFF" position)
Logano G234X - Technical specifications are subject to change without prior notice.