Frico Sierra Original Instructions Manual page 12

SIFEC W
SIFEC10: 2 Motors
SIFEC15: 3 Motors
SIFEC20: 4 Motors
SIFEC25: 5 Motors
GND
+12V
HI
LO
GND
+12V
HI
LO
L N
230V~
Wiring diagrams for control system in the FC manual.
12
Sierra
M
Inlet sensor
Outlet sensor
GND
GND
FCBASEPCB RW
Trafo
M M
SIFEC W
246950