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