Lamborghini Caloreclima ALHENA C Instructions For Use, Installation And Maintenance page 267

ALHENA C
Check valve for C(10)3 and C(11)3 installations
The "CLAPET VALVE" (ref. A - fig. 43) code 041106X0
B
CAN ONLY BE INSTALLED AND USED VERTICALLY
Before using the unit it is necessary to fill the trap in-
B
side the "CLAPET VALVE" with water.
fig. 42- Trap inside the valve
cod. 3540000251 - Rev. 00 - 03/2024
A
fig. 43- CLAPET VALVE
EN 267