INSTALLATION INSTRUCTIONS
65
Electrical connections (Option)
Connect the power supply to the terminal board located onto the control panel as follows:
a. switch off the power supply at the main switch.
b. remove the front case panel of the water heater.
c. slacken the screws and remove plate A (see fig.1).
d. remove jumper Ta -Ta from the terminal board B; and install the control wires to a heating dry contact
In case of a simultaneously outdoor temperature sensor and remote control installation, the printed circuit board
sends the outdoor temperature value to the remote control only, without using it for the modulation. The
communication between the printed circuit board and the remote control happens separately from the boiler
functioning mode selected and, once the connection has been established, the user interface on board is
disabled and displayed by the symbol
.
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