Grundfos COMFORT PM B Instructions Manual page 16

4A
B, BX
I/On
O/Off
30
1 × 115/230 V ± 10 %
∽ 50/60 Hz
BU
4B
BDT
I/On
O/Off
1 × 230 V ± 10 %
∽ 50/60 Hz
FACTORY
SETTING
31