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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 boiler.
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. 1 1.4 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 diagram
(fig. 13). 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:
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
70
2. 1 1. 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. 1 2) 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. 1 1.2 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
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)
SE
TA
for complete remote control of the boiler,
except release of the boiler. Whenn the con-
nection has been made the boiler display
will show the following message: Cr.
For installation and use of the remote con-
trol, follow the instructions in the package.
2. 1 1.3 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.
CR
EXP
R
M
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