Installation and operating instructions Wilo-Varios PICO
21
en
• 2nd pressing of button: set control mode Δp-c.
• 3rd pressing of button: set constant speed.
• 4th pressing of button: set external control.
Selecting pump
curve / PWM signal
Pressing the bottom operating button:
• Setting pump curve
LED indicates the set pump curve
• Setting PWM signal type
LED indicates the set PWM signal type
Pressing of
button
LED
Pump curve
1st
I
Δp-v, Δp-c,
constant speed
2nd
II
Δp-v, Δp-c,
constant speed
3rd
III
Δp-v, Δp-c,
constant speed
Pressing of
button
LED
PWM signal
1st
PWM 1
2nd
PWM 2
NOTICE
All settings/displays are retained if the power
supply is interrupted.