Viessmann VITOCROSSAL 200 Type CM2 Technical Manual page 15

Installation accessories
700 70
600 60
500 50
400 40
300 30
200 20
100 10
0 0
0 4 8
Flow rate in m³/h
Constant pressure
Electrical connection
Heating circuit pump DN 25 and DN 32
L N
20
L N
A
A Connecting cable with plug-in connection
Gas condensing boilers
(cont.)
Max.
Min.
12 16 20 24 28 32
Electrical connection
Heating circuit pump DN 40 and DN 50
B
A
1 2 3
NC NO C
L N
E
K
A Power supply
B Signal output
C ON/OFF
D Cable for starting/stopping a pump and pump fault message (4-
core)
E Central fault message facility
F External starting/stopping of the pump
G Connection via the contactor in the control panel or contactor
relay, part no. 7814 681
H Plug sÖ for connection to the Vitotronic
K 3-core cable for power supply to the pump
Colour coding to DIN IEC 60757
BK Black
BK* Black wire with imprint
BN Brown
BU Blue
GNYE Green/yellow
C
8 7
S
T
O
P
D
F
G
L N 20
H
VIESMANN
15
7