OPERA
Two direct heating circuits
- Schematic diagram
- Electrical connections
After installation, carry out the necessary electrical connections as shown in the wiring diagram.
Then configure the controller as described in the specific section.
J2
J1
fig. 36
EN
138
M
R
J3
cod. 3541R960 - Rev. 00 - 09/2019
72
72b
I*
a
307
fig. 35
Legend
72
1st zone (direct) room thermostat
72b 2nd zone (direct) room thermostat
138 External probe
307 1st zone (direct) circulating pump
306 2nd zone (direct) circulating pump
a
1st zone (direct)
b
2nd zone (direct)
M
Delivery
R
Return
I*
ISPESL safety devices (when required - not su-
pplied)
To manage the sliding temperature it is necessary
to purchase the external probe accessory code
013018X0
b
306
143