Switching Off - Beretta Ciao Green 25 C.S.I. Manual De Instalacion Y Uso

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CIAO GREEN C.S.I.
Reset function
To restore operation, set the function selector to
then set the function selector to the required position.
N.B. If the attempt to reset the appliance does not activate operation, con-
tact the Technical Assistance Service.
3a SWITCHING OFF
Temporary switch-off
In case of absence for short periods of time, set the mode selector (fig.
32) to
(OFF).
In this way (leaving the electricity and fuel supplies enabled), the boiler is
protected by:
Anti-frost device: when the temperature of the water in the boiler falls below
5°C, the circulator and, if necessary, the burner are activated at minimum
output levels to bring the water temperature back to the values for safety
(35°C). During the anti-frost cycle, the symbol
digital monitor.
Circulator anti-blocking function: an operation cycle is activated every
24 hours.
Switching off for long periods
In case of absence for long periods of time, set the mode selector (fig. 32) to
(OFF). Turn the main system switch OFF. Close the fuel and water taps
of the heating and domestic hot water system. In this case, anti-frost device
is deactivated: drain the systems, in case of risk of frost.
4a LIGHT SIGNALS AND FAULTS
The operating status of the boiler is shown on the digital display, below is a
list of the types of displays.
BOILER STATUS
Off status (OFF)
Stand-by
ACF alarm lockout module
ACF electronics fault alarm
Fumes exhaust - air intake obstruction
Limit thermostat alarm
Tacho fan alarm
Water pressure switch alarm
NTC domestic water fault
NTC heating outlet fault
Heating outlet probe overtemperature
Outlet/return line probe differential alarm
NTC heating return line fault
Heating return line probe overtempera-
ture
Outlet/return line probe differential alarm
Cleaning the primary heat exchanger
NTC flue gases fault
Flue gases probe overtemperature
False flame
Low temperature system thermostat
alarm
Temporary pending ignition
Water pressure switch intervention
Calibration service
Calibration installer
Chimney sweep
Vent cycle
Preheating active function
Preheating heat request
14
(fig. 32), wait 5-6 seconds
(fig. 36) appears on the
TYPES OF
DISPLAY
ALARMS
OFF
None
-
Signal
Definitive lockout
A01
Definitive lockout
A02
Definitive lockout
A03
Definitive lockout
A04
A06
Signal
Temporary stop
Temporary then
A07
definitive
Definitive lockout
Temporary stop
Temporary then
A08
definitive
Definitive lockout
Signal
Temporary stop
A09
Definitive lockout
Temporary stop
A11
Temporary stop
A77
80
C
°
Temporary stop
flashing
Temporary stop
flashing
Signal
ADJ
Signal
ACO
Signal
Signal
Signal
flashing
External probe presence
Domestic water heat request
Heating heat request
Antifreeze heat request
Flame present
To restore operation (deactivate alarms):
Faults A 01-02-03
Position the function selector to
the required position
(summer mode) or
If the reset attempts do not reactivate the boiler, contact the Technical As-
sistance Service.
Fault A04
In addition to the fault code, the digital display shows the symbol
Check the pressure value indicated by the water gauge:
if it is less than 0.3 bar, position the function selector to
adjust the filling tap (C- fig 17) until the pressure reaches a value between
1 and 1.5 bar.
Then position the mode selector to the desired position
(winter).
The boiler will perform one purge cycle lasting approximately 2 minutes.
If pressure drops are frequent, request the intervention of the Technical
Assistance Service.
Fault A06
The boiler operates normally but cannot reliably maintain a constant do-
mestic hot water temperature, which remains set at around 50°C. Contact
the Technical Assistance Service.
Fault A07
Contact the Technical Assistance Service.
Fault A08
Contact the Technical Assistance Service.
Fault A09
Position the function selector to
required position (summer mode) or (winter mode).
If the reset attempts do not reactivate the boiler, request the intervention of
the Technical Assistance Service.
Fault A09
Contact the Technical Assistance Service.
Fault A77
This is an automatic-reset fault, if the boiler does not restart, contact the
Technical Assistance Service.
Signal
60°C
Signal
80°C
Signal
Signal
Signal
(OFF), wait 5-6 seconds then set it to
(winter mode).
OFF (fig. 32) and
(summer) or
(OFF), wait 5-6 seconds then set it to the
.

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