Appendix 9.1 Sizing The Expansion Vessel; Connections - Viessmann PYROMAT ECO Technical Manual

Appendix
9.1 Sizing the expansion vessel
The expansion vessel must be sized in accordance with the system
parameters.

9.2 Connections

Flow
Return
9
Cold water supply, on site
Cold water drain, on site
60
For selection tables for expansion vessels, see Vitoset pricelist.
DN
R
DN
R
DN
R
R
ECO 33 to 55 and 65
32
1¼
32
1¼
15
½
¾
ECO 61 to 151
40
1½
40
1½
15
½
¾
PYROMAT ECO