300 and 500 litres:
Dimensions of the connections of Viessmann headers (accessories).
Storage capacity per cylinder
l
300
500
Number of storage cylinders
2
2
3
4
Connections
Heating water flow and return
DN
50
50
50
65
Cold water, hot water
R
1¼"
1¼"
1½"
2"
DHW circulation
R
1"
1"
1"
1"
Cylinder bank 300 and 500 litres
ELV Air vent valve
EV
Drain valve
HR Heating water return
HV
Heating water flow
KW Cold water
TR
Control thermostat
WW DHW
Z
DHW circulation
750 and 1000 litres:
Create headers on site.
Preparing a multi-cylinder bank
24
58
62
890
GB