Preparing Boiler For Cleaning - Buderus Logano GA124 Installation And Maintenance Instructions Manual

Boiler inspection and maintenance

11.4 Preparing boiler for cleaning

1. Take the boiler out of operation (
page 47).
RISK TO LIFE
from electric shock.
Before opening a unit: disconnect
WARNING!
electrical power completely and lock to
prevent accidental reconnection.
2. Remove front panel of boiler (
RISK TO LIFE
from explosion of flammable gases.
Never work on gas lines unless you are
WARNING!
licensed for this type of work..
3. Turn gas valve ON/OFF button clockwise to OFF
position. Do not use force.
RISK TO LIFE
from explosion of flammable gases.
Wait five (5) minutes until all gas
WARNING!
residues have dissipated. Check
whether there is any smell of gas,
including at floor level. If there is a gas
odor: STOP! Follow instructions in
section "B" of the safety instructions on
page 38 If there is no sign of a gas
odor, continue with the next step.
We reserve the right to make any changes due to technical modifications.
Installation and maintenance instructions Logano GA124 special gas-fired boiler • Issue 04/2005
Chapter 10.1,
Fig. 35, page 36).
1
Fig. 48 Gas valve
1 ON/OFF button (at ON position)
11
49