Boiler Terminal Block; Accessing To The Electrical Terminal Board And To The Fuse Of The Boiler Electrical Box; Variable Output Relay Lc32 Card (Factory Installed) - Ferroli OMNIA HYBRID C Installation, Maintenance And User Manual

20. BOILER TERMINAL BLOCK

20.1 Accessing to the electrical terminal board and to the fuse of the boiler electrical box

Remove the front panel ( see "15.7 Extraordinary maintenance and replacement of heat pump components" on page 91) to access the terminal block (M) and fuse
(F) by proceeding as follows (fig. 205 and fig. 206). The terminals indicated in fig. 206 must be with voltage-free contacts (not 230V). The arrangement of the terminals
for the various connections is also given in the wiring diagram in "ELECTRICAL DIAGRAM INDOOR UNIT" on page 99.
.

20.2 Variable output relay LC32 card (factory installed)

The LC32 variable output relay consists of a small coupon with an exchange of free contacts (closed means contact between C and NA) installed as standard in the
boiler electrical box, the functionality is managed by the boiler controller software.
Refer to "Table. 11 - Settings LC32".
Table. 11 - Settings LC32
Parameter b07 Function LC32
0 Manages a secondary gas valve (default)
1 Use as an alarm output (warning light comes on)
2 Manages a water loading valve
3 Manages a solar 3-way valve
Manages a Legionella pump (only with b01=2)
4* Manages a second heating pump
5 Use as an alarm output (warning light goes off)
6 Indicates ignition of the burner
7 Manages the trap heater
NOTE
* : factory set value. For a correct functioning of the system do not modify the parameter.
BOILER TERMINAL BLOCK
fig. 205 -
Cod. 3541T090 - Rev. 00 - 06/2019
Action LC32
The contacts are closed when the gas valve (in the boiler) is powered
The contacts are closed when there is an error condition (generic)
The contacts are closed until the water pressure in the heating circuit is restored to the
normal level (after manual or automatic topping up)
The contacts are closed when the DHW mode is active
The contacts are closed when the Legionella protection is running
The contacts are closed when the heating mode is active
The contacts are opened when there is an error condition (generic)
The contacts are closed when the flame is present
The contacts are closed when the frost protection mode is active
AHS1 AHS2
fig. 206 -
EN
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