Beretta EXCLUSIVE MIX C.S.I. Manual Para La Instalación Y El Uso página 8

3
HYDRAULIC CONNECTIONS
.
Position and dimensions of hydraulic connections are
specified in figure 2:
A - CH return
B - CH delivery
C - gas connection
D - DHW outlet
E - DHW inlet
If water hardness exceeds 28°Fr, it is recommended to
use water softeners, to prevent any limestone deposit in
boiler due to excessively hard water.
5
.
To access the electrical connections, proceed as follows:
- pull the cover towards you and remove (A) (fig. 4a)
- loosen the two fixing screws (C) and remove the shell
(fig. 4b)
- lift up the panel and turn it forwards
- open the terminal board covers making them slide in the
direction of the arrows (fig. 4c).
Connect the appliance to the mains power supply with a
switch featuring a distance of at least 3 mm between each
wire.
The appliance uses alternating current at 230 Volt/50 Hz,
has a power input of 120 W (26kW MIX C.S.I.), 150 W
(30kW MIX R.S.I.) and 160 W (35kW MIX C.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. Per alimentazioni flottanti, ovvero
prive all'origine di riferimento a terra, 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.
Gas and/or water pipes may not be used to earth
electrical equipment.
The manufacturer declines liability for any
damage if the appliance was not connected to an
earth circuit.
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 240.
When replacing the power cable, use a HAR H05V2V2-
2
F cable, 3 x 0,75 mm , Ø max. external 7 mm.
3/4"
3/4"
3/4"
1/2" (MIX C.S.I. only)
1/2" (MIX C.S.I. only)
ELECTRIC CONNECTION
4
.
Before connecting appliance to gas pipe network, check
the following:
• 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.
A
Fig. 4a
High voltage
Low voltage
connections
connections
8
GAS CONNECTION
B
C
Fig. 4b
230 V
Fig. 4c