Connecting Pumps - Viessmann VITOTRONIC 200 Installation And Service Instructions Manual

Vitotronic 200, HO1B and 300-K, MW2C Installation/Service

Connecting Pumps

Legend
A 120V pump outputs
B To the control unit
C DIN rail in junction box
Rated current: 2 A~
Note: Maximum pump and alarm output 6FLA shared
between all 120V outputs.
Pumps 120V
Available pump connections
sÖA1 High temperature circuit pump/
tank loading primary pump
Heating circuit 2 pump
sÖM2
sÖM3 Heating circuit 3 pump
DHW pump
sA
DHW recirculation pump
sK
sL System pump
Installation Sequence
19