Beretta CIAO GREEN 25 R.S.I. [26/156] A switching off
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Beretta CIAO GREEN 25 R.S.I. [26/156] A switching off

Beretta CIAO GREEN 25 R.S.I. [26/156] A switching off
26
CIAO GREEN R.S.I.
Reset function
To restore operation, set the function selector to (“OFF”)(g.31),wait
5-6 seconds then set it to the required position, checking that the red in-
dicatorlightisOFF.
At this point the boiler will automatically start and the red lamp switches
oningreen.
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(g.31)
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 (g.35)ap-
pearsonthedigitalmonitor.
Circulator anti-blocking function: an operation cycle is activated every
24hours.
DHW Antifreeze (only when connected to an external storage tank with
probe): the function is activated if the temperature measured by the stor-
agetankprobedropsbelow5°C.Aheatrequestisgeneratedinthisphase
with the ignition of the burner at minimum power, which is maintained until
thewatertemperaturereaches55°C.Duringtheanti-frostcycle,thesym-
bol (g.35)appearsonthedigitalmonitor.
Switching off for long periods
Incaseofabsenceforlongperiodsoftime,setthemodeselector(g.31)
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 control panel has three LEDs that indicate the boiler operating status:
Green LED
Flashing
Flashing(0.5secondson,then3.5secondsoff)=boilerinstandby,there
isnoame.
Flashing(0.5secondson,then0.5secondsoff)=temporaryshutdownof
the appliance due to the following automatic-reset faults:
- water pressure switch (standby time 10 minutes approximately)
- transitorywaitingforignition.
Inthisphase,theboilerwaitsforrestorationofworkingconditions.Ifafter
the standby time, the boiler does not restore regular operation, the shut-
downwillbepermanentandthesignallightwillbered.
Fastashing(0.1secondon;then0.1secondoff;for0.5seconds)=Auto-
maticTemperatureControlSysteminput/outputfunction(g.34).
Setting the heating water temperature selector to the area marked “AUTO”
(temperature value from 55 to 65°C) activates the Automatic Temperature
Control System: the boiler varies the output temperature according to the
closingsignaloftheroomthermostat.
When the temperature set with the heating water temperature selector is
reached,a 20-minutecountdown begins.If duringthis periodthe room
thermostat still requests heat, the value of the set temperature automati-
callyincreasesby5°C.
Whenthe new value isreached,other 20-minute countdown begins.If
during this period the room thermostat still requests heat, the value of the
set temperature automatically increases by 5°C.This new temperature
value is the result of the temperature set manually with the heating water
temperatureselectorandtheincreaseof+10°CoftheS.A.R.Afunction
After the second cycle, the temperature value is not increased any further
(set temperature +10°C) and cycle described above is repeated until the
roomthermostatrequestismet.
Fixed green
thereisame,theboilerworksregularly.
Red LED
IftheredLEDlightsup,thisindicatesthepresenceofafault;themonitor
shows a code interpreted as follows:
A 01 amelockout(xedredLED+flamelockouticon )
A 02 limitthermostatoperation(ashingredLED)
A 03 fanfault(xedredLED)
A 04 water pressure switch after transitory phase (xed green + red
LEDs+llingicon )
A 06 storagetank probe (ashingred+greenLEDs) (only withstorage
tank with probe)
A 07 delivery/returndifferentialorheatingNTCsensor(xedredLED)
A 08 delivery/returndifferentialorreturnNTCsensor(xedredLED)
A 09 uegassensorheatsafetyoperation(xedredLED)
A 09
uegasNTCsensororexchangercleaning(ashingred+greenLEDs)
A 77 low temperature thermostat operation / generic alarm (ashing
red+green LEDs)
To restore operation (deactivate alarms):
Faults A 01-02-03
Positionthefunctionselectorto (OFF), wait 5-6 seconds then set it to
the required position (summer mode) or (wintermode).
If the reset attempts do not reactivate the boiler, contact the Technical As-
sistanceCentre.
Fault A 04
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 OFF(g.31)
andadjustthellingtap(externaltothesystem)untilthepressurereaches
avaluebetween1and1.5bar.
Then position the mode selector to the desired position (summer) or
(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 A 06
ContacttheTechnicalAssistanceCentre.
Fault A 07
ContacttheTechnicalAssistanceCentre.
Fault A 08
ContacttheTechnicalAssistanceCentre.
Fault A 09 with xed red LED lit
Positionthefunctionselectorto (OFF), wait 5-6 seconds then set it to
the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 A 09 with ashing red and green LEDs
Contact the Technical Assistance Centre
Fault A 77
This is an automatic-reset fault, if the boiler does not restart, contact the
TechnicalAssistanceCentre.
Fixed yellow LED
Pre-heatingfunctionactivated
Flashing yellow LED
Combustionanalysisinprogress.

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