25
Assembling instrunctions and maintenance
COLLEGAMENTO ELETTRICO MODULO CON REGOLATORE DIGITALE MFWC E CIRCOLATORI A VELOCITA’ VARIABILE
SECTION 7: ELECTRICAL CONNECTION
PWM2 Recirculation pump
PWM1 Primary circuit pump
PT1000 puffer (S4 optional)
PT1000 primary circuit (S3)
PT1000 DCW (S2)
PT1000 Recirculation (S1 optional)
VFS green (-)
phase line L
/ pompa primario
Neutral line N / pompa primario
Protective ground GND
Danger
main side
230 VAC
Attention
Sensor side
max. 12 V
Low voltage
max. 12VAC/DC
Connection on the left part of the
terminal board!
Main voltages 230VAC / 50-60Hz
Connection on the right part of the terminal
board!
Put into the
digital controller
!
