Viessmann Vitocal 350-A Installation And Service Instructions Manual page 50

Preparing for installation
DHW heating
Pos. Description
7 Plate heat exchanger
8
Flow limiter
9 Motorised two-way valve, normally closed
qP Cylinder primary pump
LP1 LP2
x7.11
x1.
?
x2.N
x8.12
x1.
?
x2.N
x8.13
x2.N
x7.10
x1.
?
x2.N
LP3
x1.14
x2.14
x1.13
x2.13
LP... PCB (see page 76)
50
(cont.)
M
1~
M
1~
M
L1 L2 L3 N
M
1~
F6
Pt 500
F7
Pt 500
ZP 3
UP qP
5
?
2
UP 8
STS
4
STS 9