Sime MURELLE HE 25 BF Manual De Instrucciones página 78

earth connection.
ES
NOTE: SIME declines all responsibility for
PT
injury or damage to persons, animals or
things, resulting from the failure to provi-
de for proper earthing of the appliance.
GB
2.9. 1 Chronothermostat
connection
Connect the chronothermostat as indica-
ted in the boiler electrical diagram (see
figs. 11 e 11/a) after having removed the
existing bridge.
The chronothermostat to be used must be
of a class conforming to the standard EN
607301 (clean electrical contact).
2.9.2 Climatic regulator CR 53
connection (optional)
The boiler is designed for connectio to a cli-
matic regulator, supplied on request (code
8092227), for the management of a hea-
ting circuit.
The electronic card will continue to manage
information visualisation, the setting of the
sanitary set and the heating of the second
2.9.6 Use with different
electronic systems
Some examples are given below of boiler
systems combined with different electronic
systems. Where necessary, the parame-
ters to be set in the boiler are given. The
electrical connections to the boiler refer to
the wording on the diagrams (figg. 11-
11/a).
The zone valve control starts at every
demand for heating of the zone 1 (it is from
part of the TA1 or the CR).
Description of the letters indicating the
components shown on the system dia-
grams:
M System output
R System return
CR Remote control CR 73
SE External temperature sensor
TA 1-2-3-4 Zone room thermostat
CT 1-2 Zone chronothermostat
VZ 1-2 Zone valve
RL 1-2-3-4 Zone relay
Sl Hydraulic separator
P 1-2-3-4 Zone pump
SB D.H.W. sensor
PB D.H.W. pump
IP Floor system
EXP Expansion card (code 8092233)
VM Three-way mixer valve
78
circuit, and the boiler parameters by
means of the keys on the control panel.
For installation and use of the climatic regu-
lator, follow the instructions included in the
packaging.
NOTE: Reset parameter 10 to 2 (PAR 10
= 2).
2.9.3 Remote control CR 73
connection (optional)
The boiler is designed for connection to a
remote control unit, supplied on request
(code 8092226).
The remote control unit CR 73 allows for
complete remote control of the boiler,
except release of the boiler. The boiler
display will show the following message:
For installation and use of the remote con-
trol, follow the instructions in the package.
NOTE: Ensure PAR 10 set to 1 (PAR 10 =
1).
1 BASIC SYSTEM
SYSTEM WITH A DIRECT ZONE AND ROOM THERMOSTAT, OR
WITH A CLIMATIC REGULATOR CR 53 (Code 8092227) OR
WITH REMOTE CONTROL CR 73 (Code 8092226) AND EXTER-
NAL SENSOR (Code 8094101)
CR
SE
CR
SE
TA1
TA
2.9.4 External sensor connection
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 11.
2.9.5 D.H.W. sensor connection
in vers. "12-20-25-30-35 BFT"
The "12-20-25-30-35 BFT" version is pro-
vided with a D.H.W. sensor (SB) linked to
the connector CN5. When the boiler is cou-
pled to an external boiling unit, introduce
the sensor into the special sleeve in the boi-
ling unit.
ATTENTION: The "BFT" version is desi-
gned for connection to a remote boiling
unit, for use ONLY FOR HEATING it is
necessary:
- to disconnect the D.H.W. sensor (SB);
- set PAR 2 and 4.
Operations must be carried out by autho-
rized and qualified technicians.
PARAMETERS SETTINGS
If using CR 53 set parameter
10 to 2 (PAR 10 = 2)
M R