Wilo SiBoost Smart Helix V Series Installation And Operating Instructions Manual page 8

Fig. 6c:
PIN 2
22
Fig. 7:
FILT FILT
34
23
PIN 4
PIN 1
24
30
27
33
23a
23b
29
P1 P1 P2 P2 P3 P3 P4 P4
25 26
28
33