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RAGGIO C
176
EN
cod. 3541V280 - Rev. 01 - 04/2021
Accessing the electrical terminal block
The terminal block can be accessed by following the instructions given below (fig. 12 and fig. 13).
The arrangement of terminals for the various connections is given in the wiring diagram in fig. 46.
The terminals must be with voltage-free contacts (not 230V)
.
fig. 12
fig. 13
Terminal block auxiliary input configuration
Table 1- Auxiliary input settings
DHW configuration
Parameter b06
b01 = RRT
b06=0
Contact open disables DHW and re-enables it if closed.
b06=1
If the contact is open, it disables heating and displays
F50
. Contact closed
enables heating.
b06=2
The contact acts as a room thermostat.
b06=3
If the contact is open, it displays
F51
and the boiler continues to work.
It is used as an alarm.
b06=4
The contact functions as a limit thermostat, if open it displays
F53
and deacti-
vates the request.