Wiring Diagram - Riello SC ACS 80 Manual

V1 PWM1 Primary circuit pump
V2 iPWM2 Recirculation pump
S1 PT1000 Recirculation (S1 optional)
PT1000 primary circuit (S3)
S3
S4 Puffer high PT1000
Low voltage max. 12VAC/DC
Connection on the left part of
the terminal board!
b
Sensor side
SENSOR SIDE
Blue
Ma
Ma
Bi
b
The polarity of the sensors is freely selectable.
b
The connection of the ground must be made to the lower part of the terminal (-)
b
Protection line PE must be connected to the metal clamp PE!

WIRING DIAGRAM

GND Ground
MA phase line L / primary pump
BL Neutral line N / primary pump
Connect to controller terminal VFS1
(*)
MAIN SIDE 230 VAC
7
Main voltages 230VAC / 50-60Hz
Connection on the right part of
the terminal board!
b
Main side 230 VAC
(*)