High-efficiency circulating pump (optional)
The factory setting is suitable for all installations;
however, using the selection button (see detail 1 of
fig. 33), a different operating strategy can be set de-
pending on the system characteristics.
In normal operation, the LED lights up green
LED on/flashing in case of a fault
Selected adjustment mode:
Ext. mode
Mode -
Indicates the characteristic curve
Control button:
Pressing once: increases the curve by 1 or changes the adjustment mode
Pressing for 2 seconds: changes the adjustment mode
Pressing for 4 seconds: activates/deactivates the vent function
Pressing for 9 seconds: activates/deactivates the keypad lock
Pressing for 2 seconds with pump off: restore factory values
160
External control
Proportional head p-v
Constant head p-c
Fixed speed
PWM type 1
PWM type 2
0 - 10 V with broken cable function
0 - 10 V
p-v,
p-c, Fixed speed
cod. 3541Z071 - Rev 00 - 06/2022
= min ÷
= Max
TORO W
1
fig. 33
EN