Grundfos CU 200 SQFlex Instructions

Product Overview

The Grundfos CU 200 SQFlex is a control box designed for solar pump applications. It facilitates the operation and management of SQFlex pumps, ensuring efficient performance powered by solar energy.

Safety Instructions and Important Information

This section highlights crucial safety guidelines and important information for the installation and operation of the CU 200 SQFlex. Always refer to the complete manual for detailed safety precautions.

General Safety:

• Ensure the power supply is disconnected before performing any installation or maintenance.
• Follow all local electrical codes and regulations.
• The device should only be installed and serviced by qualified personnel.

Power Supply:

• The CU 200 SQFlex is compatible with DC power supplies ranging from 30-300 VDC.
• It also supports AC power supplies from 90-240 V, with a tolerance of -10%/+6% for 50/60 Hz frequencies.
• Ensure the power supply is properly grounded (PE).

Installation and Operation

The CU 200 SQFlex requires careful installation to ensure optimal performance and safety. The following steps outline the general process:

1. Mounting: Securely mount the control box in a suitable location, protected from direct sunlight and harsh weather conditions.
2. Wiring: Connect the power supply and the pump according to the wiring diagrams provided in the full manual. Ensure all connections are secure and correctly terminated.
3. Initial Setup: After installation, the control box needs to be configured. This typically involves setting parameters related to the pump and power source.
4. Operation: The control box manages the pump's operation based on available solar power and system requirements. Indicators on the unit provide status information.

Diagrammatic Representation of Installation Steps:

The provided visuals illustrate key steps:

• Step 1: Shows the control box being protected from direct sunlight, indicated by a red 'X' symbol.
• Step 2: Depicts the process of connecting wires to the control box terminals.
• Step 3: Illustrates the connection of the pump to the control box.
• Step 4: Shows the internal components and wiring connections within the control box.
• Step 5: Presents a complete system view, including the solar panels, the CU 200 SQFlex control box, the pump submerged in a water source, and a water tank. It highlights the power supply connections (DC and AC) and the grounding (PE) points.
• Steps 7 & 8: Illustrate the ON/OFF functionality of the control box, likely referring to buttons or indicators on the unit.

Product Documentation and Support

For more detailed information, including comprehensive installation guides, troubleshooting, and technical specifications, please refer to the full product documentation available at:

net.grundfos.com/qr/i/96475493

Trademarks: Grundfos, the Grundfos logo, and "be think innovate" are registered trademarks of The Grundfos Group.

Copyright: © 2019 Grundfos Holding A/S. All rights reserved.

Contact Information:

GRUNDFOS Holding A/S
Poul Due Jensens Vej 7
DK-8850 Bjerringbro
Denmark
Tel: +45 87 50 14 00
Website: www.grundfos.com