Viessmann VITOPLEX 200 Type SX2A Technical Manual page 23

Installation accessories
Electrical connection
Heating circuit pump DN 25 and DN 32
L N
20
L N
A
A Connecting cable with plug-in connector
Electrical connection
Heating circuit pump DN 40 and DN 50
DP
T
0 ... 10 V
Ext. BK
*
BK
off
BU
BN
GNYE
BU
BN
A Terminals in the pump
B 4-core cable for starting/stopping a pump and pump fault notifi-
cation
C Central fault message
D External starting/stopping of the pump
E Connection via the contactor in the control panel or contactor
relay, part no. 7814 681
F Plug sÖ for connection to the Vitotronic
G 3-core cable for network connection to the pump
Grundfos heating circuit pumps, differential pressure regulated
(Adjustable from proportional pressure to constant pressure)
Motor protection
The motor and the electrical equipment are protected against thermal
overload. No external motor protection is required.
230 V~, 50 Hz
Heating circuit connec-
tion
Pump type
Speed range n
Power consumption P
1
Current I
OIL/GAS BOILERS
(cont.)
L N 20
DN 25
ALPHA2 25-60
min -1 906-3245
W 5-45
A 0.05-0.38
Colour coding to DIN IEC 60757
BK black
BK * black cable with imprint
BN brown
BU blue
GNYE green/yellow
32
ALPHA2 32-60 MAGNA
UPE 40-120
906-3245 900-3580
5-45
0.05-0.38
40 50
MAGNA
UPE 50-60
680-1970
25-445 32-335
0.16-2.0 0.2-1.51
VIESMANN
23
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