Viessmann VITOPLEX 300 Type TX3A - Grundfos heating circuit pumps, differential pressure regulated

Electrical connection
Heating circuit pump DN 25 and DN 32
A
L N
L N
20
A
Connecting cable with plug-in connector
Electrical connection
Heating circuit pump DN 40 and DN 50
L N PE SSM
1-230 V
BU
BK
BK
BN
L N 20
T
0 ... 10 V
DP
*
Ext.
off
BN
GNYE
BU
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
Colour coding to DIN IEC 60757
BK black
BK * black cable with imprint
BN brown
BU blue
GNYE green/yellow
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
DN 25 32 40 50
Pump type ALPHA2 25-60 ALPHA2 32-60 MAGNA
UPE 40-120
MAGNA
UPE 50-60
Speed range n
min
-1
906-3245 906-3245 900-3580 680-1970
Power consumption P
1
W 5-45 5-45 25-445 32-335
Current I A 0.05-0.38 0.05-0.38 0.16-2.0 0.2-1.51
Installation accessories
(cont.)
OIL/GAS BOILERS
VIESMANN
23
5822 426 GB
9