ferolli CONNECT Notice D'installation Et D'utilisation page 34

The gateway must be installed inside the building and should not be shielded by any
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metal enclosures.
OpenTherm option (a fig. 1): Connect the two red wires with label OTBus, coming from
the receiver, to the boiler where the OpenTherm connection is foreseen. Leave the other
two wires disconnected. In this case, more information is available on boiler status (see
"5.7.1 Basic operations" on page 51).
On-Off option (B fig. 1): Connect the two black wires with label ON/OFF, coming from
the receiver, to the boiler where the connection to the ON/OFF thermostat is foreseen.
Leave the other two wires disconnected.
A
B
Once powered, the LEDs flash briefly.
34
EN
fig. 1
cod. 3541S181 - Rev. 00 - 09/2020