Viessmann Vitotwin 300-W Installation And Service Instructions For Contractors page 14

Preparing for installation
Preparing for installation
System version 2, ID: 4605452_1201_02
System with heating water buffer cylinder and DHW cylinder
Hydraulic installation scheme
5
--2B/B3--
kW
20
14
(cont.)
3 A
21
4
3 B
1
9
--2/QX3--
2 B
6
8
7
30
2
41
40
42 --41/2--
--41/20--
43
--41/52--
44
--2B/B4--
--2B/B42--
--2B/B41--