Ferroli OMNIA HYBRID C, Installation, Maintenance And User Manual

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109
EN
Cod. 3541T090 - Rev. 00 - 06/2019
BOILER TERMINAL BLOCK
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.
.
fig. 205 -
AHS1 AHS2
fig. 206 -
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 Action LC32
0 Manages a secondary gas valve (default) The contacts are closed when the gas valve (in the boiler) is powered
1 Use as an alarm output (warning light comes on) The contacts are closed when there is an error condition (generic)
2 Manages a water loading valve The contacts are closed until the water pressure in the heating circuit is restored to the
normal level (after manual or automatic topping up)
3 Manages a solar 3-way valve The contacts are closed when the DHW mode is active
Manages a Legionella pump (only with b01=2) The contacts are closed when the Legionella protection is running
4* Manages a second heating pump The contacts are closed when the heating mode is active
5 Use as an alarm output (warning light goes off) The contacts are opened when there is an error condition (generic)
6 Indicates ignition of the burner The contacts are closed when the flame is present
7 Manages the trap heater The contacts are closed when the frost protection mode is active
NOTE
* : factory set value. For a correct functioning of the system do not modify the parameter.