Riello Hi, Comfort 100 Manual Instalador Y Usuario página 83

The position and distinction between
the 2 outputs on the USB plug are given
below.
Black TA
Black TA
230 V
Red OT
Red OT
Never
230 V
USB Outputs/Boiler:
Dry contact TA
ON/OFF relay
max 2 A at 30 VDC
max 0.25 A at 230 VAC
OTBus protocol contact
Never 230 V
Power supply:
USB mini B 5V - 1A
WiFi: IEEE 802.11 b/g/n - 2.4 GHz
Radio frequency: 868 MHz
Power consumption: 0.5 W
Two USB cables are also supplied, one
to provide power via the USB power
adapter and the other to connect the
WiFi Box to the boiler.
The cable to connect it to the electrical
power supply is a USB mini.
USB
mini B
83
The USB cable to connect the device
to the boiler has an end with 4 ter-
minals.
The black terminals are for the ON/OFF
connection and are to be connected to
the "boiler room thermostat" output.
The red terminals are for the connection
via OTBus and are to be connected to
the "OTBus" output on the boiler.
SE = External sensor
If there is a Boiler RF receiver installed in
the system, these do nothing other than
repeat everything that happens in the
WiFi Box on a RF receiver with the same
outputs (ON/OFF and OTBus) which use
the same wiring colours: Red = OTBus,
Black = ON/OFF