Operating instructions

20
Pumps with power consumption greater than 2 A
LN
External
ON/OFF
L
N
N PE
NL
L
D
C
A
B
A
Pump
B
To the control unit
C
Contactor
D
Separate power connection
(observe manufacturer's details)
Pumps 400 V~
LN
L1 L2 L3 N PE
A
C
3~
M
B
A
Pump
B
To the control unit
C
Contactor
For switching the contactor
Rated current 4(2) A~
Recommended
connecting cable H05VV-F3G
0.75 mm
2
or
H05RN-F3G
0.75 mm
2
Installation, Vitotronic 100
Connecting pumps
(cont.)
5815 091 GB