eta SH Installation Manual page 44

Cleaning lever for turbulators
Connect control system's power plug
Connect the cable to the SH-C circuit board at the
S81 terminal.
Connect CAN bus to control system
Connect the cable to the GM-C circuit board.
Switch off boiler with main switch
Switch the main switch on the boiler to the off
position.
Connect boiler's power supply
Make the electrical connection to the boiler:
Supply cable 3 x 1.5² with flexible wires 230 V AC /
50 Hz C13 A / L+N+PE
Connect the cable to the SH-C circuit board at the
S80 terminal.
44 www.eta.co.at
Installation
S81
CAN Bus
S80