Riello BeSMART Installer And User Manual page 38

The BeSMART can be installed in
one of the following ways:
Wireless
No wiring is required.
Please check the maximum open-
field distances
BeSMART thermostat technical data.
Loss of radio frequency communi-
cation is flagged with alarm E82.
Distances which exceed the maxi-
mum may occasionally generate an
E82 alarm, causing incorrect system
operation.
Wired in ON/OFF mode (room ther-
mostat contact on BeSMART base)
When replacing old thermostats or
as a new wired ON/OFF installation.
The BeSMART can be connected to
a boiler, zone valve or other device.
The electrical load on the BeSMART
room thermostat contact must not
exceed the specifications for the
relay itself (see "2.3 Technical Data"
to page 34). Should the electri-
cal load not be compatible with the
technical characteristics indicated
in the BeSMART thermostat techni-
cal data, it is recommended that you
use an additional separation relay.
Connect the cables from the boiler
room thermostat terminal or the pow-
er supply for any zone valves to the
BeSMART room thermostat terminal.
shown in the
TA
ON/OFF
Wired in OTBus mode (OTBus con-
tact on BeSMART base).
Direct connection via two wires to
the boiler equipped with the same
communication protocol.
We recommend checking the maxi-
mum cable length between the WiFi
Box and the boiler OTBus terminal
or BeSMART and the boiler OTBus
terminal (see 2.3 "Technical data"
on page 13). For the electrical con-
nection to the boiler, please see the
boiler manual.
9
A wired connection via OTBus
between the BeSMART 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.
38