Solar Water Pumps
Bombas de Agua Solares
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|Grundfos: SQFlex Control Box
CU200 SQFlex Control Box, Solar/Wind
Monitor with Float Switch Terminals
Grundfos: SQFlex Water Level Switch
SQFlex Water Level Switch
|Grundfos: SQFlex Generator Interface Box
IO 101 SQFlex Generator Interface Box
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|Grundfos SQF IO 50 Disconnect Box
Grundfos Controllers and accessories
The CU 200 is a combined status, control and
communication unit especially developed for the
SQFlex system. The CU 200 also enables connection
of a level switch.
The CU 200 incorporates cable entries for
Communication between the CU 200 and the pump
- power supply connection
- pump connection
- ground connection
- level switch connection
takes place via the pump power supply cable. This is
called mains borne signalling (or Power Line
Communication), and this principle means that no extra
cables between the CU 200 and the pump are required.
It is possible to start, stop and reset the pump with the
- The CU 200 offers
- system monitoring
- alarm indication.
The following indications allow the operation of the
pump to be monitored:
- water reservoir is full (level switch)
- pump is running
- input power
The CU 200 offers the following alarm indications:
In addition, the CU 200 shows the symbols of the
- dry running
- service needed in case of
- no contact to pump
- over voltage
- over temperature
energy supply options