Do you have a question about the Grundfos CU 321 and is the answer not in the manual?
Frequency | 50/60 Hz |
---|---|
Communication | RS-485 |
Housing Material | Plastic |
Protection Class | II |
Inputs | 2 digital inputs |
Outputs | 2 relay outputs |
Relative Humidity | < 95% |
Storage Temperature Range | -40°C to +70°C |
General safety rules and warnings for operation and maintenance.
Specific warnings and precautions regarding high voltage.
Details grounding, power supply, motor connections, and sensor wiring.
Provides solutions for common faults and operational issues encountered with the CU 321.
Details warning/alarm codes, meanings, and their severity levels.