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 qualifi ed
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 qualifi ed fi t-
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 modifi ed 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, fi ll 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 fi ll 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
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 infl ammable 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.
2
.
Boiler must only be installed by qualifi ed personnel.
Boiler is available in the following models:
Model
Type
C.A.I.
Combined
C.A.I.
Combined
R.A.I.
CH only
MIX C.S.I.
Combined
MIX C.S.I.
Combined
MIX C.S.I.
Combined
MIX R.S.I.
CH only
MIX R.S.I.
CH only
Exclusive C.A.I. is a B
11BS
duction and heating; Exclusive R.A.I. is a B
boiler for heating. This kind of appliance can't be installed in bedro-
oms, bathrooms or in those rooms where a fi replace 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 infl ammable substances in the room
• suitably insulate heat-sensitive walls (e.g.: in wood).
5
button to restore functionning condition.
BOILER INSTALLATION
Category
Power
B
24 kW
11BS
B
28 kW
11BS
B
28 kW
11BS
C
26 kW
C
30 kW
C
35 kW
C
30 kW
C
35 kW
-type wall-mounted boiler for DHW pro-
-type wall-mounted
11BS