Lamborghini Caloreclima ALHENA TECH 28 K 50, Instructions For Use, Installation & Maintenance

Page: 293 / 324

293
EN
cod. 3542A221 - Rev 00 - 10/2022
ALHENA TECH K 50
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. 51.
To use the desired function, refer to the table 3.
Table 3- Settings LC32
ON OFF switch configuration (A fig. 28)
Table 4- 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 loading valve
The contacts are closed until the water pres-
sure in the heating circuit is restored to the nor-
mal level (after manual or automatic topping up)
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
DHW configuration Parameter b06
b01 = 2
b06=0
Contact open puts the boiler in
ECO
mode.
Contact closed puts the boiler in
COMFORT
mode
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.