CIAO e
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.Incase 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.
C.A.I. models: the ventilation openings are vital for correct
combustion.
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.
C.A.I. models: do not cover or reduce the size of the ventila-
tion openings in the room where the boiler is installed. The
ventilation openings are vital for correct combustion.
2 - BOILER DESCRIPTION
CIAO C.A.I. e isawall-mountedtypeB11BSboilerforheatingand
theproductionofdomestichotwater.Thistypeofappliancecannot
be installed in bedrooms, bathrooms or showers, or in rooms with
openueswithoutadequateventilation.
CIAO C.A.I. eboileristtedwiththefollowingsafetydevices:
- Safetyvalveandwaterpressureswitchinterveningincasesof
insufcientorexcessivewaterpressure(max3bar-min0.7bar).
- Temperaturelimitthermostatinterveningbyputtingtheboilerinto
safetystopifthetemperatureinthesystemexceedsthelimitac-
cording to current local and national regulations
- Fumesthermostatintervenesbyblockingtheboilerintoasafety
standstill status if there is a spillage of combustion products in
the hood; it is located on the right hand tile of the vent-damper
draughtbreakerdeviceInterventionofsafetydevicesindicates
apotentiallydangerousboilermalfunction;contactthetechnical
assistanceserviceimmediately.
Theuegasthermostatnotonlyintervenesforafaultinthecom-
bustionproductsoutletsystem,butalsowithvariousatmospheric
conditions.Onecanthereforetrytostartuptheboileragainafter
waitingashortwhile(seerstignitionsection).
Repeated intervention of the fumes thermostat signies
evacuation of combustion products into the boiler room with
possibly incomplete combustion and formation of carbon
monoxide, a highly dangerous condition. Call the techni-
cal assistance service immediately.
The boiler must never be put into service, not even temporar-
ily,ifthesafetydevicesarenotworkingorhavebeenmis-
handled.
Safetydevicesmustbereplacedbythetechnicalassistance
service,usingoriginalmanufacturerpartsonly;seethespare
parts catalogue supplied with the boiler.
Afterrepairscarryoutatrialignition.
CIAO C.S.I. eisaC-typewall-mountedboilerforheatingandpro-
ductionofdomestichotwater:accordingtotheuegasoutletde-
vice,theboilerisclassiedincategoriesC12,C22,C32,C42,C52,
C62,C82,C92,C12x,C32x,C42x,C52x,C62x,C82x,C92x.
IncongurationC,theappliancecanbeinstalledinanytypeof
EN