Hydraulic Connections; Installing The External Probe; Condensate Collection - Beretta EXCLUSIVE GREEN 25 CSI Installation And User Manual

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.
4

INSTALLING THE EXTERNAL PROBE

.
The correct position of the external probe is essential for
the climatic control function to run properly.
The probe must be installed outside the building to be
heated, at about 2/3 of the height of the NORTHERN or
NORTHWESTERN face, far from flue pipes, doors,
windows and sunny areas.
Attaching the external probe to the wall
- To access the terminal board and anchor holes, unscrew
the plastic probe cover from the housing by rotating it
anticlockwise
- Mark the points where the holes will be drilled using
the probe housing as a template
- Remove the box and drill holes for 5x25 expansion
grips
- Fix the housing to the wall using the two supplied
expansion grips
- Unscrew the cable-holding nut, insert the bipolar cable
(with a cross section between 0,5 and 1mm
supplied) for the connection between the probe and
the boiler
- For the electrical connection between the external probe
and the boiler, refer to the chapter "Electric connection"
- Tighten the cable-holding nut properly and close the
cover of the protective box.
The probe must be positioned on a smooth surface.
In the case of a brick wall or a wall with an irregular
surface, provision must be made for a smooth
contact surface.
The maximum length of the connection between
the external probe and the boiler is 30 m.
The connection cable between the probe and the
boiler must not have connections. If these prove to
be necessary, they must be made watertight and
suitably protected.
Any ducts for the connection cable must be sepa-
rate from other power lines (230 V.a.C.).
5

CONDENSATE COLLECTION

.
The outlet collector collects: the condensate water, any
evacuation water from the safety valve and the system
outlet water.
The collector must be connected, by means of a rubber
pipe (not supplied), to a suitable collection and evacuation
system in the storm water outlet and in compliance with
current regulations.
3/4"
3/4"
3/4"
1/2" (GREEN C.S.I. only)
1/2" (GREEN C.S.I. only)
, not
2
6
Fig. 4
COLLECTOR
SENSOR
Fig. 5