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General| Brand | Grundfos |
|---|---|
| Model | CU 351 |
| Category | Control Systems |
| Language | English |
The CU 351 is a flexible control unit for control and monitoring of up to six pumps.
Warning if safety instructions are not observed, it may result in personal injury.
Caution if safety instructions are not observed, it may result in malfunction or damage to the equipment!
Explains the coding system for the CU 351 model numbers.
Guidance on suitable indoor and outdoor installation environments for the CU 351.
Details on required enclosure protection ratings (IPX4, Type 3R, 12) for the CU 351.
Information on terminal suitability for conductors and terminal groups.
Details on connecting the CU 351 to IO 351 and E-pumps via GENIbus.
How to connect the CU 351 to external GENIbus modules for system integration.
Warning to read installation and operating instructions before start-up.
Describes indicator status when the power supply is switched off.
Describes indicator status when the system is running normally.
Describes indicator status when the system is set to stop.
Describes indicator status when the system is stopped due to an alarm.
Describes indicator status when system runs with warning or alarm.
Describes indicator status when system is stopped and has a warning.
Specifications for digital inputs, including open circuit voltage and current.
Specifications for analog inputs, including current, voltage, and tolerance.
Specifications for digital outputs, including NO contacts and load capacity.
Guidelines for conductor types and sizes for terminals.
Details on terminal grouping and insulation for control signals.
Detailed mapping of terminal positions, designations, data, and connection diagrams.
Information stating the CU 351 cannot be serviced and must be replaced if faulty.
The CU 351 is maintenance-free; cleaning instructions provided.
Step-by-step instructions for replacing the CU 351 unit.
Provides a visual representation of the CU 351's physical dimensions.
Instructions for environmentally sound disposal of the product.
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