Pump Connection - Viessmann Vitotronic 200 KW2 Installation And Service Instructions Manual

Pump connection

Available pump connections
sÖ Heating circuit pump A1 and M2
sA Cylinder primary pump
sK DHW circulation pump
Pumps 230 V~
M
1~
Rated current: 4 (2) A~
Recommended
connecting
cable: H05VV F3G 0.75 mm
or
H05RN F3G 0.75 mm
Variable speed pump
Connect at plug aVG in the control unit or in the KM BUS distributor.
Pumps 400 V~
N
A Contactor
B Three−phase pump
For selecting the contactor:
Rated voltage: 230 V~
Rated current: 4 (2) A ~
2
Recommended
connecting
2
cable:
Installation
L1 L2 L3 N PE
L
M
3~
A B
H05VV F3G 0.75 mm
or
H05RN F3G 0.75 mm
2
2
17