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IT
ES
2.9
ELECTRICAL
CONNECTION
PT
The boiler is supplied with an electric cable.
Should this require replacement, it must be
GB
purchased exclusively from SIME.
The electric power supply to the boiler must
be 230V - 50Hz single-phase through a
fused main switch, with at least 3 mm spa-
cing between contacts.
Respect the L and N polarities and the
earth connection.
NOTE:
SIME declines all responsibility for injury
or damage to persons, animals or things,
resulting from the failure to provide for
proper earthing of the appliance.
2.9. 1
Room stat connection
(fig. 15 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 after having removed the jumper.
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)
1
88
The thermostat or timer -thermostat,
recommended for better room temperatu-
re control, 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.
2.9.2
"Logica Remote Control"
connection (fig. 15 pos. B)
The electrical plant must comply with local
standards and all cables must comply with
low safety voltage requirements of EN
60730.
For lengths up to 25 m, use cables of sec-
tion 0.25 mm
2
, for longer lengths up to 50
m use cables of section 0.5 mm
all, assemble and wire the socket (2), then
insert the equipment which will start-up as
soon as it receives current.
To gain access to connector (3) remove the
control panel cover and connect the climate
3
regulator to terminals CR (6-7).
WARNING:
External voltage must not be connected to
terminals 1-2-3-4 of the "Logica Remote
Control".
A telephone remote switch with a zero
potential contact or a window contact can
be connected to terminals 3-4.
Equipment for the checking of civil plants
via a telephone line includes the model
TEL 30.4 LANDIS & STAEFA.
2.9.3
The cables must comply with low safety vol-
tage requirements of EN 60730.
For lengths up to 25 m, use cables of sec-
2
. First of
tion 0.25 mm
m use cables of section 0.5 mm
To gain access to boiler connector (3) remo-
ve the control panel cover and connect the
external temperature sensor to terminals
SE (8-9).
2
External temperature
sensor connection
(fig. 15 pos. C)
2
, for longer lengths up to 50
2
CRONOTERMOSTATO
A
LOGICA REMOTE
CONTROL
B
LOGICA REMOTE
CONTROL
SONDA
EXTERNAL
ESTERNA
SENSOR
C
.
Fig. 16
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