3
Insomepartsofthemanual,somesymbolsareused:
WARNING = for actions requiring special care and adequate
preparation
FORBIDDEN = for actions THAT MUST NOT be performed
INSTALLER
1 - GENERAL SAFETY DEVICES
Our boilers are built in our plants and checked down to the
smallestdetailinordertoprotectusersandttersfrominjury.
Afterworkingontheproduct,qualiedpersonnelmustcheck
the electrical wiring, in particular the stripped part of conduc-
tors, which must not stick out from the terminal board, avoid-
ing possible contact with live parts of such conductor.
This instruction manual, together with the user manual, are
integralpartsoftheproduct:makesurethattheyremainwith
the appliance, even if it is transferred to another owner or
user,ormoved to another heating system.In case of loss
ordamage,pleasecontact your localTechnicalAssistance
Serviceforanewcopy.
Boilerinstallationandanyotherassistanceandmaintenance
operationmustbecarriedoutbyqualiedpersonnelaccord-
ing to current local and national regulations.
The installer must instruct the user about the operation of the
applianceandaboutessentialsafetyregulations.
Thisboilermustonlybeusedfortheapplicationitwasde-
signed for. The manufacturer declines all contractual and
non-contractual liability for injury to persons or animals or
damagetopropertyderivingfromerrorsmadeduringinstal-
lation, adjustment and maintenance and from improper use.
After removing the packaging, make sure the content is in
good conditions and complete. Otherwise, contact the dealer
fromwhoyoupurchasedtheappliance.
Thesafetyvalveoutletmustbeconnectedtoasuitablecol-
lectionandventingsystem.Themanufacturerdeclinesallli-
abilityforanydamagecausedduetoanyinterventioncarried
outinthesafetyvalve.
Dispose of all the packaging materials in the suitable contain-
ers at the corresponding collection centres.
Dispose of waste being careful not harm human health and
withoutemployingproceduresormethodswhichmaydam-
age the environment.
During installation, inform the user that:
- intheeventofwaterleaks,thewatersupplymustbeshutoffand
theTechnicalAssistanceServicemustbecontactedimmediately
- theoperationpressureofthehydraulicsystemmustbewithin1
and2bar,andtherefore,mustnoexceed3bar.Ifnecessary,reset
the pressure as indicated in the paragraph entitled “Filling the
system”
- if the boiler has not been used for a long time, it is recommended
that the Technical Assistance Service performs, at least, the fol-
lowing operations:
• turn “off” the main switch of the appliance and the general
switchofthesystem
• closethegasandwatertapsonboththeheatinganddomes-
tic hot water circuits
• draintheheatinganddomestichotwatercircuitstoprevent
freezing
- boilermaintenancemustbecarriedoutatleastonceayear.This
should be booked in advance with the Technical Assistance Ser-
vice.
Forsafety,alwaysrememberthat:
Theboilershouldnotbeusedbychildrenorunassisteddisabled
people.
It is dangerous to activate electrical devices or appliances,
suchasswitches,homeappliances,etc.,ifyousmellgasor
fumes. In the event of gas leaks, ventilate the room opening
doors and windows; close the gas general tap; contact the
qualiedpersonnelfromtheTechnicalAssistanceServiceim-
mediately
Donottouchtheboilerwhilebarefootorifpartsofyourbody
are wet or damp
Before cleaning operations, disconnect the boiler from the
mainpowersupplybyturning“OFF”thetwopositionsystem
switch and the main control panel switch
Do not modify safety and adjustment devices without the
manufacturer's permission and relative instructions
Do not pull, disconnect or twist the electric cables coming
out of the boiler even when it is disconnected from the main
powersupply
Avoid covering or reducing the size of ventilation openings of
the installation room
Donotleaveinammablecontainersandsubstancesinthe
installation room
Keep packaging materials out of reach of children.
2 - BOILER DESCRIPTION
Ciao S C.S.I.isaC-typewall-mountedboilerforheatingandpro-
ductionofdomestichotwater:accordingtotheuegasoutletde-
vice,theboilerisclassiedincategoriesB22P,B52P,C12,C22,
C32,C42,C52,C62,C82,C92,C12x,C32x,C42x,C52x,C62x,
C82x,C92x.
Ciao S R.S.I.isaTypeCwall-mountedboilerthatcanfunctionin
various mode:
MODE A
Heatingonlywithoutanyexternalstoragetankconnected.
Theboilerdoesnotsupplydomestichotwater.
MODE B
Heating only with a thermostatically controlled external storage
tankconnected:inthiscondition,witheveryheatrequestfromthe
storage tank thermostat, the boiler supplies hot water for the prepa-
ration of the domestic hot water.
MODE C
Heatingonly,withtheconnectionofanexternalstoragetank(ac-
cessory kit available upon request) (managed by a temperature
probe)forpreparingdomestichotwater.Whenconnectingthestor-
agetanknotsuppliedbyus,makesurethattheNTCprobehasthe
following characteristics: 10 kOhm at 25°C, B 3435 ±1%
IncongurationB22PandB52P(wheninstalledindoors),theap-
pliance cannot be installed in bedrooms, bathrooms, showers or
wherethereareopenreplaceswithoutaproperairow.Theroom
where the boiler is installed must have proper ventilation.
IncongurationC,theappliancecanbeinstalledinanytypeof
room and there are no limitations due to ventilation conditions or
room volume.
3 - INSTALLATION REGULATIONS
3.1 - Installation regulations
Installationmustbecarriedoutbyqualiedpersonnel.
Alwayscomplywithnationalandlocalregulations.
POSITION
Ciao S canbeinstalledindoors(g.2).
The boiler has protection that guarantees correct operation with a
temperature range from 0°C to 60°C.
To take advantage of protections, the appliance must be able to
startup,sinceanylockoutcondition(forexample,absenceofgasor
electricalsupply,orsafetyintervention)deactivatestheprotections.
MINIMUM DISTANCES
In order to have access to the boiler to perform regular maintenance
operations, respect the minimum spaces foreseen for installation
(g.3).
For correct appliance positioning:
EN