TECHNICAL ASSISTANCE CENTRE
65
Regular maintenance is mandatory according to Pres.
Decree 26 August 1993 no. 412, and it is essential for
the safety, the efficiency and long life of the boiler. Proper
maintenance keeps consumption and emissions down,
and ensures that the boiler continues to operate reliably
over time.
Before starting maintenance operations:
- Switch the electricity supply "off" using the system's
main switch and the one on the main control panel
- Close the fuel shut-off taps.
b
On completion of maintenance operations, the origi-
nal settings must be restored and combustion fumes
analysed to verify everything is working correctly.
MAINTENANCE
- Remove the split pin (1), detach the corrugated con-
densate drain hose, and remove the siphon unscrew-
ing the two screw caps (2).
- Remove the float (3) and clean all the components.
Once the cleaning operations are finished, reassemble
all the components, following the above instructions in
the reverse order.
2
2
3
1
CLEANING THE CONDENSATE DRAIN AND SIPHON
Code
Description
Minimum
Maximum
Default
C805 Domestic hot water pump management mode
0 = domestic hot water pump upstream
of the water equalisation device
1 = domestic hot water pump downstream
of the water equalisation device
2 = zone pump downstream
of the water equalisation device
0
C806
Enable night-time reduction function
0 = function disabled
1 = function enabled
0
C807
Enable circulation test
0 = function disabled
1 = function enabled
0
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