Grundfos Control MP 204 Instrucciones De Operación Y Instalación página 7

Terminal block for pump alarm, X11
X11
32 33 343 3 37
Pump run Fault, MP 204 Fault, water shortage
Fig. 6 Terminal block for pump alarm, X11
Connection Description
32-33 Pump run, 2 A
34-35 Fault, MP 204, 2 A
36-37 Fault, water shortage, 2 A
5 6
Terminal block for pressure switch or level switch, X10
X10
1 2 3 4
X10
1 2 3 4
Cross-bridge
isolated
Remote On/Off
2 4 1
B1
P
Minimum and
maximum pressure
switch
Fig. 7 Terminal block for pressure switch or level switch, X10
Connection Description
1-2 Ground connection
3-4 Pressure or level switch
PE1 Ground connection
Water-shortage supervision.
5-6 Pressure or level switch.
If not used, a cross-bridge is mounted.
PE2 Ground connection
All cables used for control signals from analog and
digital sensors must be screened to ensure stable
and correct function.
5 6
PE1 PE2
PE1 5 6 PE2
Cross-bridge isolated
Water-shortage
supervision
2 4 1 PE
PE
B2
P
Example:
Water-shortage
pressure switch
2 4 1 PE
B2
Example:
Level switch
7