Grundfos CU301 SQE Constant Pressure Pump Controller with Pressure Sensor (Transducer) Part # 96438895

The CU 301 is a control and communication unit developed for SQE well pumps used in constant-pressure applications. The CU 301 communicates with the pump via mainsborne signalling (Power Line Communication),meaning that no extra cables are required between the CU 301 and the pump. External signal input for pressure sensor and connection to an operating relay for indication of pump operation.

The CU 301 control unit provides:

• Full control of the SQE pump
• Two-way communication with the pump
• Simple pressure adjustments
• Alarm indication (LED) when service is needed
• Configuration with R100 remote control
• Configuration with Grundfos GO Remote
• 60hz
• 100-240 Voltage

Features & Benefits:

CU 301 control can detect:

• No contact to pump
• Overvoltage
• Under voltage
• Speed reduction
• Over temperature
• Overload
• Sensor defective

Other Features:

• Pump running indicator
• System pressure setting
• System On and Off
• Button lock indicator
• Dry-running indicator

All additional literachure can be found on Grundfos's site here...

http://ca.grundfos.com/products/find-product/sqe-constant-pressure-controller-cu-301.html#literature