Beretta CONNECT AT/BT Manuel D'instruction page 46

FIRST STARTING UP
Before switching the Connect AT/BT on, check that the electrical
and plumbing connections have been formed correctly.
During testing, the temperatures can be checked due to the two
thermometers shown in the figure.
CIRCULATION PUMPS
The Connect AT/BT is supplied with circulation units with a three-
speed control.
Choose the best speed to suit the specific characteristics of the
systems.
RELEASING THE PUMPS IF NECESSARY
If the unit has been inactive for a lengthy period of time and the
circulation units are stuck, unscrew the caps on the front and turn
the shaft for the circulation unit motor using a screwdriver.
Do this extremely carefully so as not to damage the components
themselves.
THREE-WAY MIXING VALVE
If the unit has been inactive for a lengthy period of time and the
MIXER VALVE is stuck, activate the lever in the motor by hand, in
order to release the gate in the valve.
PROGRAMMING PARAMETERS
To set the parameters for working with the Connect AT/BT:
Access the boiler's programmable parameters as indicated in the
"programming parameters" chapter of the boiler's instruction
manual.
Heating mode
Select parameter 20 (heating mode), choose option 6 (Connect
AT/BT) and confirm it.
Responsiveness of the external sensor
Select parameter 65 (responsiveness of the external sensor) to suit
the needs and characteristics of the installation, as described in the
boiler manual.
CONFIGURING THE HIGH TEMPERATURE CIRCUIT
To activate the high temperature heat regulation function
Select parameter 44 (heat regulation function) and check that the
factory setting is 1 (AUTO).
If not, select the value 1.
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