Optional Functions - Ferroli OPERA Instructions D'utilisation, D'installation Et D'entretien

- Optional functions

As well as the electrical connections of the previous figure (required for this system configuration) there are options that
do not require settings.
301 Fault indication (voltage-free contact output): the example shows the connection of a lamp at 230Vac
302 Remote reset input (230Vac): the example shows the connection of a double-pole switch at 230Vac, allowing the resetting of a
block type fault
357 Fault indication (230Vac): the example shows the connection of a lamp at 230Vac
Generators in cascade: a direct heating circuit and a DHW circuit with circulating pump
Schematic diagram
The boiler electronics can manage up to a maximum of 6 modules. 3 are given in the example.
152
1 2 3 4 5 6 7 8
L N
302
19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36
37 38 39 40 41 42 43 44
138
M
300M
M M
MASTER SLAVE 1
R R
cod. 3541R960 - Rev. 00 - 09/2019
9 10 11 12 13 14 15 16 17 18
301
N
fig. 46
I*
M M
300S 300S
72
M
a
SLAVE 2
306
298
R
fig. 47
OPERA
357
FUSE
3.15A
L
155
b
130
EN