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00CNO0192-E (U0627512)
CONDENSINOX -
Installation, Use and Maintenance
7. MAINTENANCE OPERATIONS
Maintenance operations must be done annually or every 3000 hours of
operation by a qualified professional.
The actions to take for each type of maintenance are given in the table
below.
In all cases, these operations must be performed by a qualified
professional.
Before performing the following operations:
•
Switch off the main circuit breaker.
•
Close the gas supply isolation valve.
• Isolate the boiler hydraulically.
DANGER:
The boiler is earthed via connecting cables (green/yellow) and special
fixing screws. If the boiler is disassembled, make sure the cables are
reconnected properly and ALWAYS reuse the original fixing screws.
Paragraph
number
7.3
Cleaning the exchanger:
• Check tube sooting visually.
• If necessary, remove the turbulators and clean the tubes mechanically.
Ignition / ionisation electrodes:
• Check the ignition electrodes (air gap distance).
• If necessary, replace the electrode unit.
--
Condensate removal siphon:
•
Clean the removal siphon and check that the condensates flow correctly
(replace the water after checking).
--
Check the correct condition and connection of the pressure transfer pipes between
the concentric exhaust adapter, the gas valve and air pressure switch.
--
Check the gas burner visually.
--
Check the airtightness of the combustion chamber door, the condition of the seal
and the tightness of the screws.
7.1. Draining the boiler
•
Close the isolation valves on the flow and return tappings.
•
Connect the ½’’ drain valve to the drain with a suitable flexible hose.
• Create an air inlet at the top of the boiler tubing (open the safety valve).
• Open the boiler drain tube tap.
• Remove the lower plug of the tee downstream of the circulating pump
to completely drain the circulating pump.