Immergas VICTRIX OMNIA Manual page 22

"Comando Amico Remoto" (Remote Control Device)
The operations described below must be performed after having removed the voltage from the
appliance.
Any On/Off room thermostat or chrono-thermostat must be connected to terminals 44/40 and 41, eliminating jumper X40.
Make sure that the On/Off thermostat contact is of the "clean" type, i.e. independent of the mains voltage, otherwise the P.C.B. would be
damaged.
Any Comando Amico Remoto (remote control) V2 must be connected to terminals 44/40 and 41, eliminating jumper X40 on the P.C.B.
(Fig. 40).
The boiler can only be connected to one remote control.
If the Comando Amico Remoto remote control
compliance with current regulations regarding electrical systems.
Ensure elimination of this risk before making the appliance electrical connections.
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or On/Off chrono-thermostat electrical connection (Optional).
V2
or any other On/Off chrono-thermostat is used arrange two separate lines in
V2