Grundfos CU200 SQFlex Control Unit

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Grundfos CU200 SQFlex Control Unit

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Grundfos CU200 SQFlex Control Unit

CU200 SQFlex Control Unit

A user-friendly interface box that maintains two-way communication with the SQFlex pump and monitors the operating conditions. The CU 200 is a combined status, control and communication unit especially developed for the SQFlex system.. Moreover, the CU 200 enables connection of a level switch placed in a water reservoir or tank. Built-in diagnostics indicate faults and dry-running, display operating status power consumption and level switch input. Communication between the CU 200 SQFlex Control Unit and the SQFlex Solar Pump 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 on/off button.

Features of the Grundfos CU200 SQFlex Control Unit:

The CU 200 offers:

  • System monitoring
  • Alarm indication.

The CU 200 offers indication of:

  • Full water reservoir (level switch activated)
  • Pump operation
  • Input power.

The CU 200 indicates operational stoppage in case of:

  • Dry running
  • Service
  • Insufficient energy supply.

In addition, the system features:

  • Easy installation
  • Maintenance confined to periodic cleaning of the solar panel

The CU 200 incorporates cable entries for:

  • Power supply connection
  • Pump connection
  • Earth connection
  • Level switch connection
Technical DataCU 200 SQFlex Control Unit
Voltage30-300 VDC, 8.4 A.
90-240 VAC, 8.4 A.
Power consumption5 W.
Current consumptionMaximum 130 mA.
Pump cableMaximum length between the CU 200 and the pump: 650 ft.
Maximum length between the CU 200 and the level switch: 2000 ft.
Back-up fuseMaximum 10 A.
Radio noiseThe CU 200 complies with the EMC Directive 89/336/EEC.
Approved according to the standards EN 55014 and 55014-2.
Relative air humidity95%.
Enclosure classIP 55.
Ambient temperatureDuring operation: —22 °F to +122 °F.
During storage: —22 °F to +140 °F.
Weight4.5 lb.
Note: Specifications and pricing of the Grundfos CU200 SQFlex Control Unit subject to change without notice. Illustrations and descriptions of the Grundfos CU200 do not claim to be complete or exhaustive.

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