Ferroli OPERA 70 Instrucciones De Uso, Instalación Y Mantenimiento página 164

- 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.
MASTER
72 138 298 155
FUSE 5X20
3.15A
300M
Parameters
Each system requires a different parameterisation. Follow the access procedure given below, for the MASTER as well
as SLAVE boilers.
"Service Menu"
Check/Change parameter P02 of the "Transparent Parameters Menu" to 8. (for models 70, 125 and 320) and to 5 (for
model 220)
Check/Change parameter b08 of the "Transparent Parameters Menu" to 3.
"System Type Menu"
Change parameter P.02 of the "System Type Menu" to 1.
Change parameter P.09 of the "System Type Menu" to 1.
164
L L N
A C
M
B
cod. 3541R963 - Rev. 00 - 09/2021
SLAVE 1
FUSE 5X20
3.15A
SLAVE 2
FUSE 5X20
3.15A
fig. 50
OPERA
A C
M
300S
B
A C
M
300S
B
EN