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Installation and maintenance instructions Logano G334 X gas-fired boiler • Issue 09/2005
We reserve the right to make any changes due to technical modifications.
Boiler inspection and maintenance13
3. Turn gas valve ON/OFF button clockwise to OFF
position. Do not use force.
13.5 Cleaning the boiler
The boiler can be cleaned with brushes and/or by wet
cleaning. Cleaning tools are available as accessories.
13.5.1 Cleaning the boiler with brushes
Remove burner:
1. Disconnect your heating system from the mains
electricity supply.
2. Shut off main gas supply valve.
Fig. 36 Gas valve
1 ON/OFF button (at ON position)
1
WARNING!
RISK TO LIFE
from explosion of flammable gases.
z Wait five (5) minutes until all gas
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
Î page 30 of this manual. If there is no
sign of a gas odor, continue with the
next step.
WARNING!
RISK TO LIFE
from electric shock.
z Label all electrical wiring before
disconnecting it for cleaning the boiler.
If cables are connected incorrectly the
system may not operate correctly with
possibly dangerous consequences.
z After maintenance test the heating
system for proper function.
WARNING!
RISK TO LIFE
from electric shock.
z Before opening a unit: disconnect
electrical power completely and lock to
prevent accidental reconnection.
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