Beretta Ciao S 24 C.S.I. User Manual

8
ENGLISH
Long period switching off
In case of absence for long periods of time, set the mode selector
(1-g.1a)to (OFF).
Then,closethegastappresentonthesystem.Inthiscase,anti-frost
deviceisdeactivated:emptythesystems,incaseofriskoffrost.
4.4 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.
4.5 Adjustments
Theboilerhasalreadybeenadjustedbythemanufacturer.
Ifitisnecessarytoadjustitagain,forexampleafterextraordinary
maintenance, after replacement of gas valve or after gas conversion,
carryoutthefollowingprocedure.
The maximum output adjustment must be carried out in
the sequence indicated exclusively by qualied personnel.
- removetheshellunscrewingthexingscrewsA(g.6)
- unscrewbytwoturnsthescrewofthepressuretestpointdown-
stream the gas valve and connecting the pressure gauge
- disconnect the compensation inlet of the air distribution box
4.5.1 Ciao S C.S.I.: Maximum power and minimum domestic
hot water adjustment
- Fullyopenthe hot water tap
- on the control panel:
- set the mode selector to (summer)(g.2a)
- turn the domestic hot water temperature selector to its maximum
(g.8a)
- powertheboilersettingthesystemmainswitchto“on”
- check that the pressure on the pressure gauge is stable; or with
a milliammeter in series to the modulator, make sure that the
modulatorsuppliesthemaximumavailablecurrent(120mAfor
G20and165mAforLPG).
- carefullypriseouttheprotectioncapoftheadjustmentscrews,
usingascrewdriver(g.15)
- with a fork spanner CH10 use the adjustment nut of the maximum
output in order to obtain the value indicated in table "Technical data"
- disconnect the modulator faston
- wait until the pressure on the pressure gauge is stable at minimum value
- paying attention not to press the internal shaft, use anAllen
spanner to turn the red adjustment screw for domestic hot water
minimum temperature regulation, calibrating it until the pressure
gauge reads the value indicated in the table "Technical data"
- reconnect the modulator faston
- close the domestic hot water tap
- carefullyrettheprotection cap of the adjustment screws.
Ciao S R.S.I.: Maximum and minimum power adjustment
- Set the function selector to (winter)(g.2b)
- Remove the housing and access the card
- Insert the jumpers JP1 and JP2
- Bring the trimmer P2 to the maximum value, using a screwdriver
(turnclockwise)
-Powertheboilersettingthesystemmainswitchto“on”
- Check the pressure on the pressure gauge is stable; or, with a
milliammeter in series to the modulator, make sure the modulator
suppliesthemaximumavailablecurrent(120mAforG20and165
mAforLPG)
-Useascrewdrivertocarefullypriseouttheprotectioncapofthe
adjustment screws
- With a fork spanner CH10, use the adjustment nut of the maximum
output in order to obtain the value indicated in the table "Technical
data"
- Disconnect the modulator faston
- Wait until the pressure on the pressure gauge is stable at minimum
value
- Use an Allen spanner to set the red adjustment screw at the
minimum output, calibrating it until the pressure gauge shows the
value indicated in the table "Technical data"
- Reconnect the modulator faston
-Disconnecttheboilerfromthepowersupply
- Remove the jumpers JP1 and JP2
-Carefullyrettheprotectioncapoftheadjustmentscrews.
4.5.2 Minimum and maximum heating electric adjustment
The “electric adjustment”functionisactivatedanddeactivated
exclusivelybythejumper(JP1)(g.16).
ADJ appearsonthedisplaytoindicatethatthecalibrationpro-
cedureisunderway.
Thefunctioncanbeenabledinthefollowingway:
- bypoweringthecardwiththejumperJP1insertedandthemode
selectorinwinterposition,independentlyfromthepossiblepres-
ence of other operation request.
- byinsertingthejumperJP1,withthemodeselectorinwinterposi-
tion, without heat request in progress.
BOILER STATUS DISPLAY
Stand-by -
OFF status OFF
ACF module lockout alarm
A01
ACF electrical fault alarm
A01
Limit thermostat alarm
A02
Air pressure switch alarm
A03
H2O pressure switch alarm
A04
NTCdomesticwaterfault(C.S.I.andR.S.Ionly
withexternalstorageheaterwithprobe)
A06
NTC heating fault
A07
Parasiteame
A11
Electric calibration min and max heating
ADJ
Transient awaiting ignition 88
°C
ashing
Air pressure switch intervention
ashing
H2O pressure switch intervention
ashing
PreheatingFunctionactive(onlyC.S.I.)
Preheatingheatrequest(onlyC.S.I.)
ashing
External probe present
Domestic water heat request 60
°C
Heating heat request 80
°C
Anti-freeze heat request
Flame present
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 Techni-
cal Assistance 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)
andadjustthellingtap(Lg.13forC.S.I.-externalforR.S.I.)until
the pressure reaches a value between 1 and 1.5 bar.
Then position the mode selector to the desired position (sum-
mer)or (winter).
The boiler will perform one purge cycle lasting approximately 2
minutes.
If pressure drops are frequent, request the intervention of the Tech-
nical Assistance Service.
Fault A 06 (only C.S.I.)
Theboileroperatesnormally butcannotreliably maintainacon-
stant domestic hot water temperature, which remains set at around
50°C. Contact the Technical Assistance Centre.
Fault A 07
Contact the Technical Assistance Centre.

Beretta Ciao S 24 C.S.I. Specifications

General

Brand	Beretta
Model	Ciao S 24 C.S.I.
Category	Boiler
Language	English