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R2K 55 - RAD - ING - Inst.Manual - 2002.1_CSA
2. MAINTENANCE
SUPPOR
T CENTER
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 32.9°F (5°C). THE BOILER OPERATES AT MINIMUM GAS PRESSURE WITH THE
DIVERTER VALVE SET TO ‘WINTER’ MODE. IT DEACTIVATES WHEN THE HEATING PROBE
DETECTS A TEMPERATURE OF 86°F (30°C).
F09
D.H.W CIRCUIT ANTI-FREEZE
THE FUNCTION IS AUTOMATICALLY ENABLED WHEN THE D.H.W SENSOR DETECTS A
TEMPERATURE OF 39.2°F (4 °C). THE BOILER OPERATES AT MINIMUM GAS PRESSURE
WITH THE DIVERTER VALVE IN THE ‘SUMMER’ POSITION. THE FUNCTION IS DISABLED
WHEN THE TEMPERATURE DETECTED BY THE SENSOR IS 46.4°F (8 °C) IN THE D.H.W
CIRCUIT.
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.
FH
FAST H2O
YOU CAN ACTIVATE/DEACTIVATED IT BY HOLDING SIMULTANEOUSLY AND FOR 7 SECONDS
THE RESET ‘
’ AND ‘
’ OF THE DOMESTIC CIRCUIT
. THE “FAST H2O” FUNCTION
GUARANTEES THE IMMEDIATE D.H.W SUPPLY AT THE REQUESTED TEMPERATURE.
MAINTENANCE
