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2.7.4
Chronothermostat connection
Connect the chronothermostat as indica-
ted in the boiler electrical diagram (see
figs. 9 - 9/a) after having removed the exi-
sting bridge.
The chronothermostat to be used must be
of a class conforming to the standard EN
607301 (clean electrical contact).
2.7.5
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
circuit, and the boiler parameters by
means of the keys on the control panel. For
installation and use of the climatic regula-
tor, follow the instructions included in the
packaging.
NOTE: Reset parameter 10 to 2 (PAR 10
= 2).
2.7.6
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).
2.7.7
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. 9-9/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 from 1 to 8:
M
C.H. flow
R
C.H. return
CR
Remote control CR 73
SE
External temperature sensor
(not usuable)
TA 1-2
Zone room thermostat
VZ 1-2
Zone valve
CT 1-2
Zone chronothermostat
RL 1-2
Zone relay
Sl
Hydraulic separator
P 1-2
Zone pump
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)
CR
SE
CR
SE
TA1
TA
PARAMETERS SETTINGS
If using CR 53 set parameter
10 to 2 (PAR 10 = 2)
M
R
81
Capítulos
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