3
Operation
Logano G234X – 6 720 804 888 (2012/08)6
STOP! First read the safety instructions on page 5 of these instructions.
▶ Set thermostat to the lowest value.
▶ Shut off the heating system from the power supply.
▶ Close main gas shut-off.
▶ Unscrew left and right screws [1] in the side panels, lift front panel of
boiler [3] up, pull outward and remove to the front.
Fig. 3 Remove front panel of boiler
[1] Locking screws
[2] Boiler jacket
[3] Front panel of boiler
▶ Turn the gas valve ON/OFF dial [1] clockwise to the OFF position. Do
not use force.
▶ Wait five (5) minutes until all gas residues have dissipated. Finally
check whether there is any smell of gas, including at floor level. If you
smell gas, STOP! Follow instructions in section “B” of the safety
instructions ( page 5).
If you do not smell gas, go to the next step.
▶ Turn gas valve ON/OFF dial[1] counterclockwise to ON position. Do
not use force.
▶ Replace front panel of boiler ( Fig. 3).
▶ Open main gas shut-off.
▶ Switch on electric power to heating system.
Fig. 4 Gas valve
[1] ON/OFF dial (at OFF position)
▶ Set thermostat to desired room temperature.
▶ If the heating system does not start up, follow the instructions above
for turning off the gas supply. After that, inform a customer service
technician or the gas utility company.
Flame roll-out switch
The boiler is equipped with a flame roll-out switch. If the flue duct in the
boiler is blocked, the flame roll-out switch responds.
Do not try to light the boiler in this case. Inform a qualified service
company. The flue duct in the boiler must be checked for blockage and
the flame baffle replaced.
The flame roll-out switch is for one-time use only. Do not try to use it
again.
Flue gas monitoring switch
The boiler is equipped with a flue gas monitor. If the flue gas escape of
the boiler is blocked the flue gas monitoring switch reacts. The flue gas
monitoring switch is mounted directly on the draft hood.
Fig. 5 Gas valve
[1] ON/OFF button (at OFF position)
Do not try to light the boiler if the flue gas escape of the boiler is blocked.
Inform a qualified service company. The flue gas path must be searched
for blockages. In order to start the boiler up again, the flue gas
monitoring switch must first be reset.
WARNING: Risk of fatal injury due to not observing the
start-up instructions and resulting incorrect operation!
▶ If these instructions are not followed, a fire or
explosion may result.
This unit is fitted with an ignition module that
automatically starts the pilot burner. Do not attempt to
ignite it manually.
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