Ferroli OPERA Instructions D'utilisation, D'installation Et D'entretien page 145

OPERA
One direct heating circuit and one DHW circuit with circulating pump
- 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.
Legend
72 1st zone (direct) room thermostat
130 Hot water tank circulating pump
138 External probe
155 Hot water tank probe
300 Legionella protection circulating pump
306 1st zone (direct) circulating pump
I* ISPESL safety devices (when required - not supplied)
EN
138
M
R
J2 J1
cod. 3541R960 - Rev. 00 - 09/2019
72
I*
a b
306 130
fig. 38
J3
fig. 39
a 1st zone (direct)
b Hot water tank circuit
M Delivery
R Return
155
300
145