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.
1
2
3
4
5
6
7
8
19 20 21 22 23 24 25 26 27 28 29 30
138
72
To manage the sliding temperature it is necessary to purchase the external probe accessory code 013018X0
314
9 10 11 12 13 14 15 16 17 18
N
306
307
72B
N
L
fig. 42
cod. 3541V120 - Rev 00 - 09/2021
fig. 41
Legend (fig. 41 and fig. 42)
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
to
1st zone (direct)
b
2nd zone (direct)
M
Flow
R
Return
I*
ISPESL safety devices
(When required. Not supplied)
MACH
EN