Connections For Dhw Heating - Viessmann VITOTRONIC 200 Service Instructions Manual

Main and expansion PCB

Connections for DHW heating

Vitocal 100-S/200-A/200-S
211.4 (main PCB)
3-way diverter valve
B
■
Cylinder loading pump
C
■
2-way shut-off valve
D
■
Vitocal 111-S/222-A/222-S/222-G/333-G
211.4 (main PCB)
3-way diverter valve (integral)
B
(cont.)
(integral)
PCBs and connection options
Scheme
B
C
M
M
A
D
211.4
B
M
A
Secondary pump (integral)
A
Scheme
211.4
B
M
A
Secondary pump (integral)
A
211.4
287