Ferroli TE FC 3V Manuel D'utilisation Et D'installation page 43

Two-pipe cooling/cooling and
heating (Networked)
L Hf Mf Lf V1 V2 N
Fan
Normally
open valve
Four-pipe(Networked)
L Hf Mf Lf V1
Fan Valve
Cooling Heating
Two-pipe heating + Auxiliary electric heater
Two-pipe cooling + Auxiliary electric heater
Two-pipe cooling and heating + Auxiliary
electric heater (Networked)
L Hf Mf Lf
Valve
N
AC220V
L
V2 N
Valve
N
AC220V
L
18
V1 V2 N
Fan Valve Valve
Normally
Auxiliary
closed
electric
valve
heater
N
AC220V
L