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General| Type | CU331SP |
|---|---|
| Frequency | 50/60 Hz |
| Enclosure class | IP55 |
| Approvals | CE |
| Operating temperature | 50 °C |
| Relative humidity | Max. 95% RH |
Emphasizes that installation, maintenance, and inspection must be done by trained personnel.
Outlines critical safety rules, including grounding and avoiding use of the On/Off button as a safety switch.
Lists general safety considerations for installation, including protection and cable selection.
Explains how low air pressure and long motor cables can affect performance.
Details necessary clearances for cooling and ambient temperature limits for installation.
Provides instructions on how to securely mount the CU331SP unit on a firm surface.
Covers essential electrical protection measures, including grounding and short-circuit protection.
Explains how to connect the power supply (mains) and the motor to the CU331SP.
Shows the basic wiring for signal terminals, including start/stop functionality.
Details how to configure the analog input (A54) for voltage or current signal type.
Provides guidelines for proper installation to ensure electromagnetic compatibility (EMC).
Describes the CU331SP's control panel, including buttons, indicator lights, and display elements.
Provides instructions on how to reset all CU331SP parameters to their factory default settings.
Details the process for automatically testing and setting the correct motor direction of rotation.
Explains how to set the desired discharge pressure (setpoint) using the feedback sensor.
Describes how the CU331SP indicates faults through alarms or warnings.
Configures how the CU331SP handles dry-run conditions (OFF, Warning, or Alarm).
Explains how the CU331SP detects and responds to low flow conditions to prevent pump damage.
Provides a list of error codes, their status (warning/alarm), operating mode, and reset method.
Details how to reset alarms, including manual, automatic, and locked alarm procedures.
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