System Version 1 (Type Bw/Ww) - Viessmann Vitocal 300-G BW Installation And Service Instructions Manual

System on the primary side WWC (water/water)
Note
For further information regarding the ter-
minal markings and PCBs, see
page 61.
Electrical connection
LP1 LP2
qW qW
x8.5
x2.N
x3.3
x1.
?
x3.4
x3.9
x1.
?
x3.8
x1.
?
x3.8
LP PCB (see page 61)

System version 1 (type BW/WW)

Select system diagram 2 (see page 131)
■ 1 heating circuit without mixer (A1)
■ DHW heating with DHW cylinder
■ Natural cooling (NC) with mixer
1
[A
K
Preparing for installation
L1
M
5
1~
N
?
230V; 0.5A
230V; 0.5A
230V; 0.5A
(cont.)
UP 5
7
qP
qQ
27