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2. MAINTENANCE
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2.2.17. ACTIVE FUNCTIONS SIGNALLING CODES
CODE
FUNCTION
DESCRIPTION
F07
CHIMNEY SWEEP ACTIVE
YOU CAN ACTIVATE IT BY HOLDING FOR 7 SECONDS THE RESET ‘
’ KEY AND YOU CAN
DEACTIVATE IT BY TURNING OFF THE BOILER. THIS FUNCTION BRINGS THE BOILER TO
ITS MINIMUM AND MAXIMUM HEATING POWER FOR 15 MINUTES DEACTIVATING THE
MODULATION FUNCTION. GENERALLY USED FOR PERFORMING THE COMBUSTION AND
CALIBRATION TESTS.
F08
HEATING CIRCUIT ANTI-FREEZE
IT ACTIVATES AUTOMATICALLY WHEN THE HEATING PROBE DETECTS A TEMPERATURE
OF 12°C. THE BOILER OPERATES AT MINIMUM GAS PRESSURE WITH THE DIVERTER
VALVE SET TO ‘WINTER’ MODE. IT DEACTIVATES WHEN THE HEATING FLOW WATER
TEMPERATURE REACHES THE 30°C AND, IN PRESENCE OF A RETURN SENSOR, WHEN
THE HEATING RETURN WATER TEMPERATURE REACHES THE 20°C.
F33
SYSTEM AIR RELEASE CYCLE
IT ACTIVATES AUTOMATICALLY AT FIRST BOILER START-UP, PERFORMING FOR 5
MINUTES A SERIES OF CYCLES DURING WHICH THE PUMP IS ACTIVATED FOR 40
SECONDS AND DEACTIVATED FOR 20 SECONDS. REGULAR OPERATION IS ALLOWED
ONLY AFTER THIS FUNCTION IS COMPLETED.
IT CAN ALSO ACTIVATE DURING NORMAL BOILER OPERATION, IF THE WATER PRESSURE
SWITCH CONFIRMATION IS MISSING, WHEN THE CONTACT IS RE-CLOSED, A 2 MINUTES
RELEASE CYCLE WILL BE PERFORMED.
MAINTENANCE
