Beretta Ciao C.A.I - Functional Wiring Diagram C.A.I.

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E) FUNCTIONAL WIRING DIAGRAM C.A.I.
L-N POLARIZATION IS COMPULSORY.
In case of phase-to-phase power, connect higher potential to L. A class II thermostat can only be used. Connect the room
thermostat between TA terminals after removing the jumper.
Use a room thermostat operating at 230 V.