Riello RiCloud User Manual page 12

RiCLOUD can be installed in one of the
following ways:
Wireless
No wiring is required.
Please check the maximum open-
field distances shown in RiCLOUD
thermostat technical data.
Loss of radio
communication is flagged with alarm
E82. Distances which exceed the
maximum may occasionally generate
an E82 alarm, causing incorrect
system operation.
Wired in ON/OFF
thermostat contact on RiCLOUD base)
When replacing old thermostats or
as a new wired ON/OFF installation.
RiCLOUD can be connected to a
boiler, zone valve or other device.
The electrical load on RiCLOUD room
thermostat contact must not exceed
the specifications for the relay itself
(see page 211). Should the electrical
load not be compatible with the
technical characteristics indicated in
RiCLOUD thermostat technical data,
it is recommended that you use an
additional separation relay.
Connect the cables from the boiler
room thermostat terminal or the
power supply for any zone valves to
RiCLOUD room thermostat terminal.
frequency
mode (room
59
TA
ON/OFF
Wired in OTBus mode (OTBus contact
on RiCLOUD base).
Direct connection via two wires to
the boiler equipped with the same
communication protocol.
We recommend
maximum cable length between
the WiFi Box and the boiler OTBus
terminal or RiCLOUD and the boiler
OTBus terminal (see page 211). For
the electrical connection to the boiler,
please see the boiler manual.
9
A wired connection via OTBus
between the RiCLOUD and the
boiler is recommended in the
absence of a WiFi Box. With
the above connection and a
WiFi Box, only one zone can be
controlled and operation via the
APP is not guaranteed.
Insert the 2 x AA batteries provided,
with correct polarity.
checking the
OTBus
PROTOCOL