Viessmann Vitodens 200-W B2HA series, Application Manual

Page: 69 / 80

65
Notes / Comments
1.
Max amp load of the cascade control is 6 amps.
Theref
ore, isolation rela
ys
ma
y be required when cur
rent dra
w
of field supplied components is ex
ceeded.
Application Code
4VD2I 2HC2ZP
.0
1
��
��
��
���
��
��
��
��
��
��
��
��
��
��
52 M3 52 M2 20
M3 20 M2
2M3
2M2
145
145
1
3/2
5A 5B 17A
17B 15
9
143 146
28 21
52
A1/M1 20
A1
29 50 40 156
145
145
1
3/2
5A
143 146
28 21
20A1
40
Boiler #1
Boiler #2
Boiler #3
Boiler #4
P1.1 Power
P1.2 Power
P1.3 Power
P2.1
P2
P3
Power
P1.4 Power
LO
N
Ca
bl
e
LO
N
Ca
bl
e
LO
N
Ca
bl
e
LO
N
Ca
bl
e
LO
N
Ca
bl
e
O
ut
do
or
Se
ns
or
Lo
w
Lo
ss
He
ad
er
Se
ns
or
DH
W
Se
ns
or
Vitodens 20
0-W
Application 1
0