75
ES
PT
ENG
2.11
ELECTRICAL WIRING
If you must replace the electric power
cable supplied with the boiler, order it exclu-
sively from Sime.
The power supply must be single-phase
230V - 50 Hz through a main switch pro-
tected by a fuse with a distance of at least
3 mm between contacts.
NOTE: The boiler must be connected with
an efficient grounding system. SIME shall
not be held liable for injury or damage
resulting from failure to ground the boi-
ler.
ATTENTION: Before every intervention on
the boiler, cut off the electricity supply by
means of the main switch of the system,
since even if the boiler is "OFF", the elec-
trical panel remains connected to the
electricity.
2.11.1
Chronothermostat
connection
Remove the boiler casing, tilt the control
panel and connect the chronothermostat
to the 6 pole terminal board as indicated in
the boiler electrical diagram
(see para-
graph 2.12)
after having removed the exi-
sting bridge.
The chronothermostat to be used must be
of a class conforming to the standard EN
60730.1 (clean electrical contact).
2.11.2 Remote control CR 63
connection (optionals)
The boiler is designed for connection to a
remote control unit CR 63 code 8092219
coupled to an optional expansion kit code
8092240.
The remote control unit allows for complete
remote control of the boiler, except release
of the boiler.
Whenn the connection has been made the
boiler display will show the following messa-
ge:
Cr
.
For installation and use of the remote con-
trol, follow the instructions in the package.
2.11.3 External sensor connection
(optional)
The boiler is designed for connection to an
external temperature sensor, supplied on
request (code 8094101), which can auto-
matically regulate the temperature value of
the boiler output according to the external
temperature.
For installation, follow the instruction in the
package. It is possible to make corrections
to the values read by the drill acting on the
PAR 4
.
2.11.4 Use with different
electronic systems
Some examples are given below of boiler
systems combined with different electronic
systems. The electrical connections to the
boiler refer to the wording on the diagrams
(figs. 13-13/a). The zone valve control
starts at every demand for heating of the
remote control.
Description of the letters indicating the
components shown on the system dia-
grams from 1 to 6:
M
System output
R
System return
CR
Remote control CR 63
SE
External temperature sensor
TA 1-2
Zone room thermostat
VZ 1-2
Zone valve
RL 1-2
Zone relay
Sl
Hydraulic separator
P 1-2
Zone pump
IP
Floor system
EXP
Expansion card
(code 6301430)
VM
Thermostatic mixer valve
TSB
Safety thermostat low
temperature
R
M
SE
TA
CR
EXP
1
BASIC SYSTEM
SYSTEM WITH A DIRECT ZONE AND ROOM THERMOSTAT, OR WITH
A REMOTE CONTROL (Code 8092219), KIT EXPANSION REMOTE
CONTROL (Code 8092240) AND EXTERNAL SENSOR (Code
8094101)
