Beretta EXCLUSIVE Operation and installation manual

1
EXCLUSIVE
C.A.I.
R.A.I.
MIX C.S.I.
MIX R.S.I.
EN INSTALLER AND USER MANUAL
ES MANUAL DE INSTALACIÓN Y USO
PT MANUAL PARA INSTALAÇÃO E USO
FR MANUEL D’INSTALLATION ET D’UTILISATION
HU TELEPÍTŐI ÉS FELHASZNÁLÓI KÉZIKÖNYV
RO MANUAL DE INSTALARE SI UTILIZARE

2
English
EXCLUSIVE boiler complies with basic requirements of
the following Directives:
• Gas directive 2009/142/EC
• Yield directive 92/42/EEC
• Electromagnetic compatibility directive 2004/108/EC
• Low-voltage directive 2006/95/EC
Thus, it is EC-marked
La chaudière EXCLUSIVE est conforme aux prescriptions
essentielles des Directives suivantes:
• Directive gaz 2009/142/CE
• Directive rendements 92/42/CEE
• Directive compatibilité électromagnétique 2004/108/CE
• Directive basse tension 2006/95/CE
et peut donc être estampillée CE
Français
0694
51BP2736 (MIX C.S.I. - MIX R.S.I.)
51BP2679 (C.A.I. - R.A.I.)
Español
La caldera EXCLUSIVE es conforme a los requisitos
esenciales de las siguientes Directivas:
• Directiva gas 2009/142/CE
• Directiva rendimientos 92/42/CEE
• Directiva compatibilidad electromagnética 2004/108/CE
• Directiva baja tensión 2006/95/CE
y por lo tanto es titular de la marca CE
Portugûes
A caldeira EXCLUSIVE está conforme com os requisitos
essenciais das seguintes Directivas:
• Directiva gás 2009/142/CE
• Directiva rendimentos 92/42/CEE
• Directiva compatibilidade electromagnética 2004/108/CE
• Directiva baixa tensão 2006/95/CE
é portanto titular de marcação CE
Magyar
Az EXCLUSIVE kazán teljesíti az alábbi irányelvek
lényegi követelményeit:
• 2009/142/EGK sz. gáz irányelv
• 92/42/EGK sz. irányelv a vízmelegítőkazánokról
• 2004/108/EGK sz. irányelv az elektromágneses
összeférhetőségről
• 2006/95/EGK sz. irányelv a kisfeszültségű
berendezésekről
így jogosan viseli a CE-jelet
Romana
Centrala EXCLUSIVE este fabricata in conformitate cu
cerintele urmatoarelor Directive:
• Directiva gaz 2009/142/EEC
• Directiva eficienta 92/42/EEC
• Directiva compatibilitate electromagnetica 2004/108/
EEC
• Directiva voltaj redus 2006/95/EEC
Prin urmare, este marcat cu simbolul CE

3
Installer’s-user’s manual ............................................5
Boiler operating elements ...............................134-135
Hydraulic circuit ...............................................137-138
Electric diagrams..............................................139-143
Circulator residual head ........................................147
This handbook contains data and information for both users and installers. In detail:
- the chapters entitled “Installing the boiler, Water connections, Gas connection, Electrical connection, Filling and draining,
Evacuating products of combustion, Technical data, Programming parameters, Gas regulation and conversion” are intended
for installers;
- the chapters entitled “Warnings and safety devices, Switching on and using” are for both users and installers.
The control panel is different between C.A.I.-MIX C.S.I. and R.A.I.-MIX R.S.I. (see detail). Please read, in the booklet, the in-
structions referring to your boiler model.
English
The following symbols are used in this manual:
CAUTION = operations requiring special care and adequate preparation
NOT ALLOWED = operations that MUST NOT be performed
C.A.I. - MIX C.S.I. R.A.I. - MIX R.S.I.
Manual para el instalador-usuario ...........................47
Elementos funcionales de la caldera..............134-136
Circuito hidráulico............................................137-138
Esquema eléctrico............................................139-143
Altura de carga residual del circulador ................147
Este manual contiene datos e informaciones destinados tanto al usuario como al instalador. En especial:
- los capítulos “Instalación de la caldera, Conexiones hidráulicas, Conexión gas, Conexión eléctrica, Llenado y vaciado,
Evacuación productos de la combustión, Datos técnicos, Programación parámetros, Regulación y Transformación gas”
son los que se refieren al instalador;
- los capítulos “Advertencias y seguridades, y Encendido y funcionamiento” son los que se refieren tanto al usuario como
al instalador.
El panel de mando es diferente entre los modelos C.A.I.-MIX C.S.I. y R.A.I.-MIX R.S.I. (ver dibujo). Rogamos consulten el
manual para encontrar las instrucciones relativas a su modelo de caldera.
Español
En algunas partes del manual se utilizan los símbolos:
ATENCIÓN = para acciones que requieren particular atención y una adecuada
preparación
PROHIBIDO = para acciones que NO DEBEN efectuarse nunca
Manuel d’installation-utilisateur...............................26
Eléments fonctionnels de la chaudière..........134-135
Circuit hydraulique...........................................137-138
Schéma électrique............................................139-143
Prévalence résiduelle du circulateur ....................147
Ce manuel contient des données et des informations destinées à l’utilisateur et à l’installateur. Plus précisément:
- les chapitres “Installation de la chaudière, Raccordements hydrauliques, Raccordement du gaz, Branchement électrique,
Remplissage et vidage, Evacuation des produits de la combustion, Données techniques, Configuration des paramètres,
Réglage et Transformation gaz ” s’adressent spécifiquement à l’installateur;
- les chapitres “Avertissements et mesures de sécurité, Allumage et fonctionnement” s’adressent à l’utilisateur et à l’instal-
lateur.
Le panneau de commande est différent entre les models C.A.I.-MIX C.S.I. et R.A.I.-MIX R.S.I. (voir dessin). On vous conseille
de consulter le manuel pour les instructions concernantes votre chaudière.
Français
Dans ce manuel nous utilisons parfois les symboles suivants:
ATTENTION = indique les actions demandant une prudence particulière et
une préparation adéquate
INTERDICTION = indique les actions NE DEVANT JAMAIS être exécutées
R.A.I.-R.S.I.: DHW functions refer only if a water tank is connected (accessory
available on request).
R.A.I.-R.S.I.: Los valores del sanitario son seleccionables sólo en el caso de conexión
con un interacumulador exterior (kit accesorio opcional).
R.A.I.-R.S.I.: Les valeurs de la fonction sanitaire sont sélectionnables seulement en
cas de connexion avec un chauffe-eau (accessoire fourni sur demande).

4
Acest manual contine date si informatii atat pentru utilizator cat si pentru instalator. Si anume:
- capitolele intitulate “Instalarea cazanului, Conectare la reteaua de apa, Conectare la reteaua de gaz, Conexiuni electrice,
Umplerea si golirea instalatiei, Evacuarea produselor de ardere, Date tehnice, Programarea parametrilor, Reglare si con-
versie gaz” sunt dedicate instalatorilor;
- capitolele intitulate “Avertizari si masuri de siguranta, Pornire si utilizare” sunt dedicate atat instalatorilor cat si utilizatorilor.
Panoul de comanda difera intre modelele C.A.I.-MIX C.S.I. si R.A.I.-MIX R.S.I. (vezi detalii). Va rugam sa cititi din manual
instructiunle specifice modelului dumneavoastra.
Romana
In cuprinsul manualului se folosesc urmatoarele simboluri:
ATENTIE = operatiunile necesita o atentie speciala si o pregatire adecvata
INTERZIS = este interzisa executarea acestor operatiuni
Jelen kézikönyv mind a felhasználó mind a telepítőszámára tartalmaz információkat. Pontosabban:
- a telepítőrészére szánt fejezetek “A kazán telepítése, Vízbekötések, Gázbekötés, Elektromos bekötés, Feltöltés és a beren-
dezés víztelenítése, Égéstermék elvezetés, Műszaki adatok, Paraméterek programozása, Gázbeállítások és gáztípusváltás”;
- a telepítőés a felhasználó részére egyaránt szánt fejezetek az “Általános tudnivalók és biztonsági előírások, Begyújtás és
működés”.
A MIX C.S.I. és MIX R.S.I. (lásd rajzon) modellek vezérlőpaneljei különbözőek. Kérjük, olvassa el az Ön kazánjára vonatkozó
kezelési utasítást.
Magyar
A kézikönyvben szerepelnek az alábbi szimbólumok:
FIGYELEM = megfelelőkörültekintést és felkészültséget igénylőte-
vékenységek
TILOS = olyan tevékenységek, miket szigorúan TILOS végrehajtani
R.S.I.: A használati meleg vízre vonatkozó adatok csak forró víz tároló csatlakozta-
tása esetében kell figyelembe venni (a tároló külön rendelhetőtartozék).
R.A.I.-R.S.I.: Paragrafele referitoare la functionarea in regim A.C.M. se vor lua in
considerare in cazul legarii la un boiler (disponibil la cerere).
Portugûes
Este livrete inclui dados e informações destinados quer ao usuário quer ao instalador. Especificadamente:
- os capítulos “Instalação da caldeira, Conexões hidráulicas, Conexão gás, Ligação eléctrica,
Enchimento e esvaziamento, Evacuação dos produtos da combustão, Dados técnicos, Programação parâmetros, Regulação
e Transformação gás” são aqueles referidos ao instalador:
- os capítulos “Advertências e seguranças e Ignição e Funcionamento” são aqueles referidos quer ao usuário quer ao ins-
talador.
Os modelos C.A.I.-MIX C.S.I. e R.A.I.-MIX R.S.I. têm os painéis de comando diferentes (veja-se o desenho). Sugerimos con-
sultar o manual para as instruções relativas ao seu modelo de caldeira.
Manual do instalador-usu ário ...................................68
Elementos funcionais da caldeira...................134-136
Circuito Hidráulico ...........................................137-138
Diagrama Eléctrico...........................................139-143
Altura total de elevação residual
da bomba circuladora ............................................147
Em algumas partes do manual são utilizados os símbolos:
ATENÇÃO = para acções que exigirem particular cuidado e preparação ade-
quada
PROIBIDO = para acções que NÃO SE DEVEM absolutamente executar
R.A.I.-R.S.I.: Os valores do circuito sanitário podem ser seleccionados somente com
a ligação a um boiler exterior (kit acessório a pedido).
Telepítői kézikönyv-felhasználói kézikönyv............89
A kazán funkcionális alkatrészei.....................134-136
Vízkeringetés ....................................................137-138
Villamos kapcsolási rajz ..................................139-144
A keringetőszivattyú maradék emelőnyomása ...147
Manual instalator-utilizator..................................... 110
Elemenetele functionale ale centralei.............134-136
Circuit hidraulic ................................................137-138
Scheme electrice ..............................................139-144
Presiune reziduala circulator ................................144

5
English
Boiler must only be installed by qualified personnel.
Boiler is available in the following models:
Exclusive C.A.I. is a B11BS-type wall-mounted boiler for DHW pro-
duction and heating; Exclusive R.A.I. is a B11BS-type wall-mounted
boiler for heating. This kind of appliance can’t be installed in bedro-
oms, bathrooms or in those rooms where a fireplace without an air
intake system should be present.
Exclusive MIX C.S.I. is a C-type wall-mounted boiler for heating
and producing domestic hot water; Exclusive MIX R.S.I. is a C-type
wall-mounted boiler and is able to operate in different conditions:
- CASE A: only heating. The boiler doesn’t supply domestic hot water
- CASE B: only heating with water tank connected, managed by
a thermostat, to prepare domestic hot water
- CASE C: only heating with water tank connected (kit available
upon request), managed by a temperature sensor, to prepare
domestic hot water. Connecting a water tank not supplied by
us, please be sure that the NTC sensor ised has the following
features: 10 kOhm at 25°C, B 3435 ±1%.
Depending on the type of installation selected, it is necessary to set
the parameter “domestic hot water mode”. Refer to “Programmable
parameters” tables for description and setting parameter operations.
This type of appliance can be installed in any kind of room as long
as the fumes discharge and the comburent air intake are taken
outside the room.
The following types of fumes outlet are available for this kind of
boiler: C12,C12x; C22; C32,C32x; C42,C42x; C52,C52x (26kW
and 30kW only); C62,C62x; C82,C82x. Installation must comply
with local standards and regulations in force.
For proper installation, we remind you that:
• the boiler must not be installed over a kitchen or any other cooking
equipment
• minimum spaces are to be left in order to allow maintenance
operations: at least 2,5 cm every side and 20 cm under the boiler
• it is forbidden to leave inflammable substances in the room
• suitably insulate heat-sensitive walls (e.g.: in wood).
2. BOILER INSTALLATION
Model Type Category Power
C.A.I. Combined B11BS 24 kW
C.A.I. Combined B11BS 28 kW
R.A.I. CH only B11BS 28 kW
MIX C.S.I. Combined C 26 kW
MIX C.S.I. Combined C 30 kW
MIX C.S.I. Combined C 35 kW
MIX R.S.I. CH only C 30 kW
MIX R.S.I. CH only C 35 kW
1. GENERAL SAFETY DEVICES
The boilers produced in our factory are built with care down
to the last component to protect both the user and installer
from eventual accidents. We therefore recommend qualified
personnel that after working on the product they should pay
particular attention to the wiring, especially the bare wires, that
must not be exposed outside the terminal board for any rason
to prevent any contact with the live parts of the wiring.
This instructions manual is integral parts of the product. Make
sure they remain with the boiler, even if it is transferred to
another owner or user or moved to another heating system. In
case of loss or damage, please contact your local Technical
Assistance Service for a new copy.
This boiler may only be installed and serviced by qualified fit-
ters who satisfy the requirements of local rules. Work must be
done in compliance with regulations in force and subsequent
updates.
The boiler must be serviced at least once a year. This should
be booked in advance with the Technical Assistance Service.
The installer shall instruct the user in the operation of the boiler
and the safety devices.
This boiler may only be used for what it was expressly built to do.
The manufacturer declines all contractual and non-contractual
liability for injury to persons or animals or damage to property
deriving from errors made during installation, adjustment and
servicing and from improper use.
This appliance is used to produce hot water and must therefore
be connected to a heating and/or a domestic hot water system,
according to its performance and power.
After removing the packaging, make sure the contents are
undamaged and complete. If this is not the case, contact your
dealer.
The safety valve outlet must be connected to a suitable col-
lection and venting system. The manufacturer declines all
liability for any damage caused by the safety valve.
The safety and automatic adjustment devices on the appliance
must never be modified during its lifetime, except by the maker
or dealer.
If the appliance develops a fault and/or works badly, switch it
off and do not attempt to repair it yourself.
Immediately after installation, inform the user that:
- in the event of leaks, he/she must shut off the water supply
and promptly inform the Technical Assistance Service
- C.A.I.-MIX C.S.I.: he/she must check from time to time to make
sure the symbol is not lit on the control panel. This symbol
means that the pressure in the water system is incorrect. If
necessary, fill the system as described in the paragraph “Boiler
functions”
- R.A.I.-MIX R.S.I.: must periodically check, on the display,
that the pressure value is between 1 and 1,5 bar; if not fill the
system as described in the paragraph “Boiler functions”
- if the boiler is not planned to be used for a long period, he/she
should call in the Technical Assistance Service to perform the
following operations:
• turn off the main boiler and general system switches
• close the gas and water taps on both the heating (C.A.I.-
MIX C.S.I.-R.A.I.-MIX R.S.I.) and domestic hot water circuits
(C.A.I.-MIX C.S.I. only)
• drain the heating (C.A.I.-MIX C.S.I.-R.A.I.-MIX R.S.I.) and domestic
hot water (C.A.I.-MIX C.S.I. only) circuits to prevent freezing.
Safety measures:
the boiler should not be used by children or unassisted disabled
people
electrical devices or equipment, such as switches, appliances,
etc., should not be used if there is a smell of gas or fumes. If
there is a gas leak, open all the doors and windows to ventilate
the area, turn off the general gas tap and immediately call the
Technical Assistance Service
do not touch the boiler barefoot or if parts of your body are wet
or damp
press the
button until “- -” is shown on the display and di-
sconnect the electricity supply by turning off the two-position
system switch, before cleaning
it is forbidden to modify the safety or adjustment devices without
the manufacturer’s permission and relative instructions
safety system controlling exhaustion fumes (only C.A.I. and
R.A.I. models): the boiler is equipped with a system controlling
proper exhaustion of combustion products (fume thermostat), in
case of abnormality, this system immediately stops appliance
operation. Press the button to restore functionning condition.
If abnormality persists, do not perform any action, but imme-
diately call Technical Service. Device controlling proper fume
exhaustion must never be deactivated.Use original spare
parts only when replacing it.
do not pull, detach or twist the wires from the boiler even if they
are not connected to the power supply
do not block or reduce the size of the ventilation openings in
the room. Only C.A.I. and R.A.I. models: ventilation openings
are necessaries to a right combustion
do not leave inflammable containers or substances in the room
keep packaging out of reach of children
only use appliance for purposes it is devoted to
do not lean any object on the boiler
do not tamper with sealed elements.

6
7. FUMES EXHAUSTION
AND BURNING AIR SUCTION (C.A.I. - R.A.I.)
Boiler is equipped with a system controlling proper exhaustion of
combustion products - fume thermostat (12a-12b, fig. 82a-82b
page 134); in case of abnormality, this system immediately stops
appliance operation. Press the button to restore functionning
condition. If abnormality persists, do not perform any action, but
immediately call Technical Service; technicians will correct fume
exhaustion defect and test operation.
Refer to regulations in force for burnt product exhaustion.
It is compulsory using rigid pipes, junctions between elements
must be tight and all components must be resistant to tempe-
rature, condensates and mechanical stresses.
Device controlling proper fume exhaustion must never be de-
activated. Use original spare parts only when replacing it.
Exhaustion ducts which are not insulated can be dangerous.
Openings for burning air must comply with regulations in force.
If condensates are produced, insulate exhaustion duct.
Fig. 6b shows the top view of boiler with reference measures
for fume outlet distance between centres, from boiler support
plate.
Support plate and integrated pre-installation template are provided
for with the boiler (fig. 2).
Mounting instructions:
• fix the boiler support plate (F) with the template (G) to the wall
and use a plumb to check that it is perfectly horizontal
• trace out 4 holes (Ø 6 mm) for fixing the boiler support plate (F)
and 2 holes (Ø 4 mm) for fixing the pre-installation template (G)
• make sure all the measurements are correct, then drill holes in
the wall using a drill and point with the diameter given previously
• fix the plate to the wall by the supplied anchor screws
• make hydraulic connections.
After installing the boiler, the screws D1(fig. 3a) can be removed. After
installing the boiler and connecting it to the water and gas supplies,
fit the lower cover (A-B, fig. 3b) so that its hooks slip into the relative
slots in the lower part of the boiler. Fix the lower cover with the screw
C(fig. 3c) contained in the documentation envelope in the boiler.
Before connecting appliance to gas pipe network, check the fol-
lowing:
• regulations in force are met
• gas type used is the same as set for appliance operation
• pipes are clean.
Gas must be piped externally. If the pipe goes through a wall it must
go through the central opening in the lower part of the template. It
is recommended to install an appropriately sized filter on the gas
line in case gas from the mains contains some small solid particles.
After installation make sure that all the joints have been made airtight
conforming to standard installation practices.
4. GAS CONNECTION
Position and dimensions of hydraulic connections are specified in
figure 2:
A - CH return 3/4”
B - CH delivery 3/4”
C - gas connection 3/4”
D - DHW outlet 1/2” (C.A.I.-MIX C.S.I. only)
E - DHW inlet 1/2” (C.A.I.-MIX C.S.I. only)
F - Support plate
G - Pre-installation template
If water hardness exceeds 28°Fr, it is recommended to use water
softeners, to prevent any limestone deposit in boiler due to exces-
sively hard water.
3. HYDRAULIC CONNECTIONS
To access the electrical connections, proceed as follows:
- unscrew the lower cover fixing screw (C, fig. 3c)
- pull the cover towards you and remove (A-B) (fig. 4a)
- loosen the fixing screws (D) and remove the shell (fig. 3a)
- lift up the panel and turn it forwards
- open the terminal board covers making them slide in the direction
of the arrows (fig. 4b: Ehigh voltage connections 230 V, Flow
voltage connections, Gwater tank sensor connections only MIX
R.S.I.-R.A.I.).
Connect the appliance to the mains power supply with a switch
featuring a distance of at least 3,5 mm (EN 60335-1, category III)
between each wire.
The appliance uses alternating current at 230 Volt/50 Hz, has a
power input of 88 W (C.A.I. - R.A.I.), 120 W (26kW MIX C.S.I.), 150
W (30kW MIX C.S.I. - MIX R.S.I.) and 160 W (35kW MIX C.S.I. - MIX
R.S.I.) and complies with EN 60335-1 standard. Connect the boiler
to a safe earth circuit according to current legislation.
Live and neutral (L-N) connections should also be respected.
The boiler can operate with phase-neutral or phase-phase power
supply. For floating power supply, without an earth-bonded
conductor, it is necessary to use an insulation transformer with
secondary anchored to ground.
The earth conductor must be a couple of cm longer than
the others.
5. ELECTRIC CONNECTION
The central heating system can be filled up once the water mains
have been connected up.
This must be done while the installation is cold by:
• giving two or three turns to the cap of the automatic air vent valve
(A, fig. 5a and 5b) to open it;
• making sure the cold water inlet tap is open (MIX C.S.I. - C.A.I.
only)
• opening the filling tap (C, on the boiler for MIX C.S.I. - C.A.I.,
external for MIX R.S.I. - R.A.I.) until the pressure on the hydrometer
(D) is between 1 and 1,5 bar (blue zone) (fig. 5a and 5b).
Close the filling tap after filling it up.
The boiler is equipped with an efficient air separator so that there
is no need to do anything manually.
The burner only ignites when air venting has finished.
NOTE (MIX C.S.I. - C.A.I. only): even if the boiler is fitted with a se-
mi-automatic filling system, open tap Cto fill the circuit the first time.
NOTE (MIX R.S.I. - R.A.I. only): manual filling tap is not supplied
with the boiler, foresee one external or verify if external water tank
has one.
Empty the system by:
• switching off the boiler
• connect the rubber hose, supplied standard, to the boiler drain
valve (E, fig. 5a and 5b)
• loosening the valve by hand (E)
• emptying out the lowest parts of the system.
DHW system emptying (MIX C.S.I. - C.A.I. only)
The hot water system must be emptied every time there is risk of
freezing by:
• turning off the tap at the mains
• turning on all the hot and cold taps
• emptying out the lowest parts of the system.
ATTENTION
The safety valve outlet (B) must be connected to a suitable col-
lection system.
The manufacturer shall not be held liable if the safety valve should
eventually cause flooding.
6. FILLING AND EMPTYING THE SYSTEM
Gas and/or water pipes may not be used to earth electrical
equipment.
The installer is responsible for making sure that the ap-
pliance has an adequate earthing system; the manufacturer
shall not be held liable for eventual damages caused by
incorrect usage or failing to earth the boiler.
Use the supplied power cable to connect the boiler to the mains
power supply.
Connect the ambient thermostat and/or time clock as shown in the
electrical diagram on page 145.
When replacing the power cable, use a HAR H05V2V2-F cable,
3 x 0,75 mm2, Ø max. external 7 mm.

7
English
Refer to regulations in force for exhaustion of combustion products.
Boiler is provided for without fume exhaustion/air suction kit, since
forced draught sealed chamber accessories can be used, as they
better adapt to installation characteristics.
For fume extraction and burning air restoration in boiler, use original
pipes or other EC-certified pipes with equivalent characteristics;
check connection is correct as shown on instructions fume accesso-
ries provided for with. More appliances can be connected to a single
chimney, provided that all appliances are sealed chamber type.
Boiler is a C-type appliance (sealed chamber) and must be safely
connected to fume exhaustion duct and burning air suction duct,
both getting outside; appliance cannot operate without these ducts.
Concentric outlets (ø 60-100)
Concentric ducts may be placed in the most suitable direction for
installation requirements but special care must be taken as regards
the external temperature and the length of the duct.
Consult the graphs to find out whether a condensate collector is
required.
8. FUMES EXHAUSTION AND BURNING
AIR SUCTION (MIX C.S.I. - MIX R.S.I.)
If the appliance works at temperatures lower than 50 °C (e.g.:
with external probe), the maximum permitted length must be
decreased by 1 metre.
The fumes outlet duct must slope by 1% towards the condensate
collector.
The condensate collector can only be applied to the fumes
outlet, within 0.85 m from the boiler; connect the trap of the
condensate collector to a waste water drain.
Uninsulated fumes outlets are potential hazards.
The boiler automatically adapts ventilation according to the
type of installation and the length of the duct. Do not obstruct
or narrow the comburent air inlet duct in any way.
EXHAUSTION CONFIGURATIONS (fig. 7)
Boiler is homologated for the following exhaustion configurations:
C12-C12x Concentric wall exhaustion. Pipes can separately start
from boiler, but outlets must be concentric or close enough
to be subject to similar wind conditions (within 50 cm)
C22 Concentric exhaustion in common chimney (suction and
exhaustion in the same chimney)
C32-C32x Concentric roof exhaustion. Outlets like C12
C42-C42x Exhaustion and suction in common separate chimneys,
but subject to similar wind conditions
C52-C52x Wall or roof separate exhaustion and suction in different
pressure areas. Exhaustion and suction must never be
located on opposite walls
C62-C62x Exhaustion and suction with separately certified and sold
pipes (1856/1)
C82-C82x Single or common chimney exhaustion and wall suction.
Maximum length concentric ducts ø 60-100 26 MIX C.S.I.
EXHAUSTION LENGHT (m)
EXTERNAL TEMPERATURE (°C)
Maximum length concentric ducts ø 60-100
30 MIX C.S.I. - 30 MIX R.S.I.
Maximum length concentric ducts ø 60-100
35 MIX C.S.I. - 35 MIX R.S.I.
EXHAUSTION LENGHT (m)EXHAUSTION LENGHT (m)
EXTERNAL TEMPERATURE (°C)
EXTERNAL TEMPERATURE (°C)
Fig. 9
Concentric outlets (ø 80-125)
The boiler is furnished predisposed for connection to concentric dis-
charge/aspiration ducts and with the air aspiration aperture closed.
The concentric pipes may be oriented in the direction best suited to
the requirements of the premises, respecting the maximum lengths
indicated in the table below.
For installation, follow the instructions provided with the kit.
CONCENTRIC OUTLETS (ø 60-100)
Fig. 8a
Concentric
outlet
Clamp
Condensate
collector
Condensate
drain trap
Execute a Ø 140 mm hole for transit through the wall.
Particular care is required with the external temperature and the
length of the pipe. Refer to the graphics to establish whether the
condensation trap is mandatory or not. In the case of operation at
water temperatures below 60 °C, the use of a condensation trap
is mandatory. In the case of use of condensation trap the fumes
discharge pipe must be inclined by 1% towards the trap.
Connect the condensation trap siphon to a white water outlet pipe.
Non insulated discharge pipes are potential sources of danger.
pressure drop
for each bend (m)
45° 90°
max. linear length
concentric duct ø 60-100 (m)
26 MIX C.S.I. 3,40
30 MIX C.S.I. 3,40
30 MIX R.S.I. 3,40
35 MIX C.S.I. 2
35 MIX R.S.I. 2
1 1,5
pressure drop
for each bend (m)
45° 90°
length of ducts
vertical and horizontal (m)
26 MIX C.S.I. 7,93 - 7,61
30 MIX C.S.I. 7,93 - 7,61
30 MIX R.S.I. 7,93 - 7,61
35 MIX C.S.I. 4,58 - 4,26
35 MIX R.S.I. 4,58 - 4,26
1,35 2,2

8
Twin outlets (ø 80)
Twin ducts can be placed in the most suitable direction for instal-
lation requirements but special care must be taken as regards the
temperature of the installation site and the length of the fumes duct.
To install, follow the instructions supplied with the kit.
Maximum length twin ducts ø 80 26 MIX C.S.I.
EXHAUSTION LENGHT (m)
EXTERNAL TEMPERATURE (°C)
EXHAUSTION LENGHT (m)
EXTERNAL TEMPERATURE (°C)
Maximum length twin ducts ø 80
30 MIX C.S.I. - 30 MIX R.S.I.
EXHAUSTION LENGHT (m)
EXTERNAL TEMPERATURE (°C)
Maximum length twin ducts ø 80
35 MIX C.S.I. - 35 MIX R.S.I.
Fig. 10
TWIN OUTLETS (ø 80)
Condensate
collector
Condensate
collector
Condensate
drain trap
Condensate
drain trap
Air intake
duct
Air intake
duct Fumes
outlet duct
Fumes
outlet duct
Fig. 8b
In the event of installation with external discharge sections, to
calculate the maximum permitted length without a condensate
collector, refer to the external temperature instead of that of the
installation site of the boiler.
If the appliance works at temperatures lower than 50°C (e.g.:
installations with external probe), the maximum permitted len-
gth without condensate collector must be decreased by 0.85
metres.
The condensate collector can only be applied to the fumes
outlet, within 0.85 m from the boiler; connect the trap of the
condensate collector to a waste water drain.
The fumes outlet duct must slope by 1% towards the conden-
sate collector.
The boiler automatically adapts ventilation according to the
type of installation and the length of the ducts. Do not obstruct
or narrow the ducts in any way.
If the length of the ducts is different from that indicated in the
table to the side:
- for model 26 MIX C.S.I., the sum of the lengths of the
inlet and outlet ducts must be less than 30 metres, but
the length of a single duct must not exceed 18 metres
- for models 30 MIX C.S.I. - MIX R.S.I., the sum of the lengths
of the inlet and outlet ducts must be less than 28 metres,
but the length of a single duct must not exceed 17 metres
- for model 35 MIX C.S.I. - MIX R.S.I., the sum of the lengths
of the inlet and outlet ducts must be less than 12 metres,
but the length of a single duct must not exceed 8 metres.
EXHAUSTION LENGHT (m)
EXTERNAL TEMPERATURE (°C)
EXHAUSTION LENGHT (m)
EXTERNAL TEMPERATURE (°C)
26 - 30kW
35kW
CONDENSATE COLLECTOR
COMPULSORY
CONDENSATE COLLECTOR
COMPULSORY
CONDENSATE COLLECTOR
NOT COMPULSORY
CONDENSATE COLLECTOR
NOT COMPULSORY
pressure drop
for each bend (m)
45° 90°
max. length
twin duct (ø 80) (m)
26 MIX C.S.I. 15 + 15
30 MIX C.S.I. 14 + 14
30 MIX R.S.I. 14 + 14
35 MIX C.S.I. 6 + 6
35 MIX R.S.I. 6 + 6
1,2 1,7

9
English
9. TECHNICAL DATA
CH/DHW* nominal heating capacity (Hi) kW 26,70 31,90 28,80 33,20 37,80
kcal/h 22.962 27.434 24.768 28.552 32.508
CH/DHW* nominal heating power kW 23,98 28,71 26,21 30,38 35,31
kcal/h 20.620 24.691 22.539 26.125 30.362
CH reduced heating capacity (Hi) kW 10,70 14,00 8,50 9,80 9,95
kcal/h 9.202 12.040 7.310 8.428 8.557
CH reduced heating power kW 9,14 11,93 7,70 8,86 9,18
kcal/h 7.859 10.258 6.623 7.619 7.898
DHW* reduced heating capacity (Hi) kW 8,30 8,70 8,50 9,80 9,95
kcal/h 7.138 7.482 7.310 8.428 8.557
DHW* reduced heating power kW 7,09 7,41 7,70 8,86 9,18
kcal/h 6.096 6.375 6.623 7.619 7.898
Working efficiency Pn max - Pn min % 89,8-85,4 90,0-85,2 91,0-90,6 91,5-90,4 93,4-92,3
Working efficiency 30% (47 °C) % 89,5 89,5 91,9 92,2 94,5
Combustion performance % 91,1 91,2 91,3 91,7 93,7
Electric power W 88 88 120 150 160
Supply voltage V - Hz 230-50 230-50 230-50 230-50 230-50
Protection level IP X5D X5D X5D X5D X5D
Chimney losses with burner on-off % 8,90-0,30 8,83-0,27 8,70-0,80 8,30-0,80 6,30-0,80
CH operation
Maximum pressure - temperature bar-°C 3-90 3-90 3-90 3-90 3-90
Minimum pressure for standard working/operating bar 0,25-0,45 0,25-0,45 0,25-0,45 0,25-0,45 0,25-0,45
Selection field of CH water temperature °C 40-80 40-80 40-80 40-80 40-80
Pump: maximum head available for system mbar 300 300 300 300 340
capacity l/h 1000 1000 1000 1000 1000
Membrane expansion tank l 8 8 8 8 10
Expansion vessel pre-charge (CH) bar 1 1 1 1 1
DHW operation*
Maximum pressure bar 6 6 6 6 6
Minimum pressure bar 0,15 0,15 0,15 0,15 0,15
Specific capacity following EN625 l/min - - 11,85 14 -
Hot water quantity: ∆t 30° C l/min 11,5 13,7 - - 16,9
DHW minimum capacity l/min 2 2 2 2 2
Selection field of DHW temperature °C 35-60 35-60 35-60 35-60 35-60
Flow regulator l/min 10 12 11 13 15
Gas pressure
Category (extra EC countries) II2H3+ II2H3+ II2H3+ II2H3+ II2H3+
Natural gas pressure (G20) mbar 20 20 20 20 20
LPG pressure (G30/G31) mbar 28-30/37 28-30/37 28-30/37 28-30/37 28-30/37
Category (MT) I3B/P I3B/P I3B/P I3B/P I3B/P
LPG pressure (G30/G31) mbar 30 30 30 30 30
Hydraulic connections
CH input-output Ø 3/4” 3/4” 3/4” 3/4” 3/4”
DHW input-output (MIX C.S.I. - C.A.I.) Ø 1/2” 1/2” 1/2” 1/2” 1/2”
Water tank delivery-return (MIX R.S.I. - R.A.I.) Ø - 3/4” - 3/4” 3/4”
Gas input Ø 3/4” 3/4” 3/4” 3/4” 3/4”
Boiler dimensions and weight
Height mm 740 740 740 740 780
Width mm 400 450 400 450 500
Depth mm 332 332 332 332 332
Weight kg 30 33 (C.A.I.) 34 36 (MIX C.S.I.) 43 (MIX C.S.I.)
Weight kg - 32 (R.A.I.) - 35 (MIX R.S.I.) 41 (MIX R.S.I.)
Fan performance
Residual head with 0.85m concentric pipes mbar - - 0,2 0,2 0,2
Residual head of boiler without pipes mbar - - 0,35 0,35 1,15
Flow rates (G20)
Air capacity Nm3/h 44,666 50,960 48,34 54,107 60,724
Fumes capacity Nm3/h 47,345 54,160 51,23 57,44 64,515
Mass flow (max-min) gr/s 16,12-15,93 18,86-16,98 17,45-10,24 19,54-13,64 21,93-13,17
Fume exhaustion pipe
Diameter mm 130 140 - - -
Fume exhaustion and air suction concentric pipe
Diameter mm - - 60-100 60-100 60-100
Max lenght m - - 3,40 3,40 2,00
Loss for a 90°/45° bend m - - 1/1,5 1/1,5 1/1,5
Hole in wall (diameter) mm - - 105 105 105
Diameter mm - - 80-125 80-125 80-125
Max lenght (vertical and horizontal) m - - 7,93/7,61 7,93/7,61 4,58/4,26
Loss for a 90°/45° bend m - - 2,2/1,35 2,2/1,35 2,2/1,35
Hole in wall (diameter) mm - - 140 140 140
Fume exhaustion and air suction separated pipe
Diameter mm - - 80 80 80
Max lenght m - - 15+15 14+14 6+6
Loss for a 90°/45° bend m - - 1,2/1,7 1,2/1,7 1,2/1,7
NOx 2 class 2 class 2 class 3 class 3 class
Emission values at maximum and minimum of gas G20**
Maximum CO s.a. lower than p.p.m. 80 90 100 90 90
CO2 %6,70 6,70 6,70 6,90 7,00
NOx s.a. lower than p.p.m. 160 170 190 140 120
∆t fumes °C 138 132 133 132 116
Minimum CO s.a. lower than p.p.m. 60 20 120 100 120
CO2 %2,7 3,10 3,35 2,90 3,05
NOx s.a. lower than p.p.m. 110 80 140 110 100
∆t fumes °C 96 97 63 72 62
*DHW values refer to MIX C.S.I. - C.A.I. models.
** C.A.I. - R.A.I.: tested with Ø 130 (24kW), Ø 140 (28kW) - lenght 0,5m.
** MIX C.S.I. - MIX R.S.I.: tested with Ø 60-100 concentric - lenght 0,85m - water temperature 80-60°C.
C.A.I.
24kW
C.A.I.
R.A.I.
28kW
MIX C.S.I.
26kW
MIX C.S.I.
MIX R.S.I.
30kW
MIX C.S.I.
MIX R.S.I.
35kW

10
10. MULTIGAS TABLE
Parameters Methane Liquid gas
(G20) Butane Propane
(G30) (G31)
C.A.I. - R.A.I.
Lower Wobbe index (15°C-1013 mbar) MJ/m3S 45,67 80,58 70,69
Lower heat value MJ/m3S 34,02 116,09 88
MJ/kgs - 45,65 46,34
Supply nominal pressure (Extra EC countries) mbar 20 28-30 37
(mm H2O) (203,9) (285,5-305,9) (377,3)
Supply nominal pressure (MT) mbar 30
(mm H2O) (305,9)
Supply minimum pressure mbar 13,5
(mm H2O) (137,7)
24 kW C.A.I.
Main burner (12 nozzles) Ø mm 1,3 0,77 0,77
CH maximum gas capacity Sm3/h 2,82 - -
kg/h - 2,10 2,07
DHW maximum gas capacity Sm3/h 2,82 - -
kg/h - 2,10 2,07
CH minimum gas capacity Sm3/h 1,13 - -
kg/h - 0,84 0,83
DHW minimum gas capacity Sm3/h 0,88 - -
kg/h - 0,65 0,64
Maximum pressure downstream CH valve mbar 11,80 28,00 36,00
mm H2O 120,33 285,52 367,10
Maximum pressure downstream DHW valve mbar 11,80 28,00 36,00
mm H2O 120,33 285,52 367,10
Minimum pressure downstream CH valve mbar 2,10 5,00 6,70
mm H2O 21,41 50,99 68,32
Minimum pressure downstream DHW valve mbar 1,30 3,10 4,00
mm H2O 13,26 31,61 40,79
28 kW C.A.I. - R.A.I.
Main burner (14 nozzles) Ø mm 1,3 0,78 0,78
CH maximum gas capacity Sm3/h 3,37 - -
kg/h - 2,51 2,48
DHW maximum gas capacity* Sm3/h 3,37 - -
kg/h - 2,51 2,48
CH minimum gas capacity Sm3/h 1,48 - -
kg/h - 1,10 1,09
DHW minimum gas capacity* Sm3/h 0,92 - -
kg/h - 0,69 0,68
Maximum pressure downstream CH valve mbar 12,70 27,00 35,20
mm H2O 129,50 275,32 358,94
Maximum pressure downstream DHW valve* mbar 12,70 27,00 35,20
mm H2O 129,50 275,32 358,94
Minimum pressure downstream CH valve mbar 2,60 5,50 7,10
mm H2O 26,51 56,08 72,40
Minimum pressure downstream DHW valve* mbar 1,00 2,30 2,90
mm H2O 10,20 23,45 29,57
*DHW values refer to C.A.I. models.