66 EN
cod. 3540000272 - Rev. 01 - 01/2024
Variable output relay card LC32 (optional - 043011X0)
The variable output relay LC32 consists of a small card with a switchover of free contacts (closed
means contact between C and NO). Operation is managed by the software.
For installation, carefully follow the instructions provided in the kit package and on the wiring dia-
gram of fig. 46.
To use the desired function, refer to the table 2.
Table 2- Settings LC32
ON/OFF (A fig. 20) configuration
Table 3- Switch A setting
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 filling valve
The contacts are closed until the water pres-
sure in the heating circuit is restored to the nor-
mal level (after a manual filling or from control)
3 Manages a solar 3-way valve
The contacts are closed when the DHW mode
is active
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 pre-
sent
7 Manages the trap heater
The contacts are closed when the frost protec-
tion mode is active
8 Pump management ON-OFF
The contacts are closed when the circulating
pump is running
DHW configuration Parameter b06
b01 = 3
b06=0 Contact open disables DHW and re-enables it if closed.
b06=1
Contact open disables heating and displays F50. Contact closed enables
heating.
b06=2 The contact acts as a room thermostat.
b06=3
Contact open displays F51 and the boiler continues to operate.
It is used as an alarm.
b06=4
The contact acts as a limit thermostat, if open it displays F53 and turns off
the request.
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