3
Operation
Logano G234X – 6 720 804 888 (2012/08) 7
3.4 Shut down the heating system
3.4.1 Normal system shut-down
▶ Switch off the on/off switch ("OFF" position). This switches off the
boiler and all its components (e.g. burner).
▶ Further shut-down procedure refer to AquaSmart
TM
documentation.
▶ Shut off fuel supply by closing main valve.
Fig. 6 Heating system shut-down
[1] ON/OFF switch (emergency shut off switch)
3.4.2 Emergency shut-down procedures
Action in an emergency
▶ Never risk your own life. Your own safety must always take the highest
priority.
▶ Shut off fuel supply by closing main valve.
▶ Disconnect the heating system from the electrical power supply by
means of the emergency shutoff switch or the appropriate circuit
breaker.
3.5 Operating Tips
The right fuel
To ensure it operates properly, the heating system requires fuel of the
correct type and grade.
Consult your trained and certified installer if you want to convert your
heating system to a different fuel or run the boiler on fuel with different
specifications.
Notes about the boiler room
3.6 Why is annual maintenance important?
Heating systems should be maintained annually for the following
reasons:
• to maintain high efficiency,
• to operate the system economically (low fuel consumption),
• to maintain the cleanest combustion.
CAUTION: Risk of system damage due to freezing!
If the heating system has been switched off, it may
freeze in cold weather conditions.
▶ Protect your system from freezing by draining the
boiler, the heating system and hot water pipes at the
lowest point.
Use the heating system emergency shut-off switch
located outside the boiler room or the heating system
circuit breaker for emergency shutdown.
CAUTION: Risk of system damage from use of incorrect
fuel!
▶ Only use the fuel specified. The correct fuel is entered
in Tab. 3 by the heating system installer.
Only use this fuel type
____________________________
____________________________________________ Stamp/Date/Signature
Table 3 Fuel to be used (entered by heating system installer)
CAUTION: Risk of boiler damage from contaminated
combustion air!
▶ Keep the combustion air free of corrosive substances
(e. g. halogenated hydrocarbons that contain
chlorine or fluorine compounds). This will help
prevent corrosion.
▶ Prevent heavy accumulation of dust.
CAUTION: Risk of system damage from water!
▶ In the event of severe risk of flooding, disconnect the
boiler from its power supply and shut off the fuel
supply before water enters the boiler room.
▶ All parts that have been in contact with water must be
replaced by a trained and certified installer.
CAUTION: Risk of damage to system due to lack of or
inadequate cleaning and maintenance!
▶ Have your heating system inspected, cleaned and
maintained by a trained and certified installer once a
year.
▶ We recommend you sign a contract covering an
annual inspection and maintenance.
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