Installation; Electrical Terminals - Ferroli ECOTRONIC HiTech Manual Del Usuario

INSTALLATION

Electrical terminals

Low voltage
max. 12 V AC / DC
Terminal: Connection for
S1
Temperature probe 1
S1 Temperature probe 1
S2 Temperature probe 2
S2
Temperature probe 2
S3 Temperature probe 3
S3 Temperature probe 3
V1 signal output 0-10 V / PWM e.g. to
control high efficiency pumps
-
controlled speed output for high ef-
ficiency pumps 0-10 V / PWM
S4 Temperature sensor 4
S4
Temperature sensor 4
PWM pump connection
PWM pumps are connected to the controller with 2 wires 1) PWM input (default: brown)
2) GND (default: blue). Some pumps have a third wire (PWM output signal (default:
Black)). This is not used for the connection!
144 EN
Low voltage
The protection wire PE must be connected to
the metal terminal block PE!
code 3542A420 - Rev. 00 - 12/2021
ECOTRONIC HiTech
Supply voltages
230 VAC 50 - 60 Hz
Terminal: Connection for
N
Neutral wire N
R1 Relay 1 (live)
N Mains neutral wire N
L
Mains phase wire L
N Neutral wire N
R2 Relay 2 (live)
R3 Relay 3 (free potential)
R3 Relay 3 (free potential)
Electric relay
Relay