14
Should this require replacement, it must be
purchased exclusively from SIME.
The electric power supply to the boiler must
be 230V - 50Hz single-phase.
Respect the L and N polarities and the
earth connection.
NOTE: Device must be connected to an
efficient earthing system. SIME declines
all responsibility for injury or damage to
persons, animals or things, resulting from
the failure to provide for property
earthing of the appliance. Always turn off
the power supply before doing any work
on the electrical panel.
2.8.1
Room thermostat
connection
(fig. 12 pos. A)
To gain access to the electronic board con-
nector (3), remove the control panel cover
and connect the room stat to the terminals
TA (5-6) after having removed the jumper.
The thermostat or timer-thermostat, must
be class II as specified by standard EN
60730.1 (clean contact).
WARNING: Applying mains voltage to the
terminals of conector (3) will irreparably
damage the control board. Make sure
that any connections to be made are not
carrying mains voltage.
2.8.2
“Logica Remote Control”
connection (fig. 12 pos. B)
The electrical plant must comply with local
standards and all cables must comply with
low voltage safety requirements of EN
60730. For lengths up to 25 m, use cables
TA
CR
CR
SE
2
A
B
C
3
1
SB
SB
SB
KEY
1
Control panel
2
“Logica Remote Control” socket
3
Conector (J2)
TA Room stat (not supplied)
CR Logica Remote Control (optional)
SE External temperature sensor (optional)
SB D.H.W. sensor
Fig. 12