Beretta CONNECT AT/BT Manuel D'instruction page 44

2. High temperature pump control cable with prods.
Connect the two prods to the boiler's terminal board (see
figure 6).
3. Screened signal cable with 2-pole connector.
Connect the NTC sensor connector on the electronic system
control board end.
Connect the two prods for the low temperature limit thermostat
to the boiler's terminal board (see figures 7 and 8).
thermostat
manual
thermostat
automatic
Fig. 8
sensor
Fig. 6
Fig. 7
green
yellow
Connection to
the Connect AT/
BT sensor
Automatic
high limit
thermostat
low tempera-
ture system
44
Connection
to the
Connect AT/BT
connection box
F2=
Fuse 2AF
blue
brown
black
Manual high limit
thermostat low
temperature
system
black