Brand: SIEMENS
Category: Control Unit
Document Type: Installation Guide
Language: EN
Installation Guide for NXPLUS C Wind
Uploaded: Nov. 21, 2025, 6:54 p.m.
Manual Publish Date: 2014-02-06
Warranty Information
The warranty is solely defined by the sales contract between the parties.
Basic Operation Summary:
This manual covers the installation and operation of the SIEMENS NXPLUS C Wind medium-voltage switchgear. Key operations include:
- Circuit-breaker operation: Closing and opening the circuit-breaker using manual or motor-driven mechanisms.
- Disconnector operation: Operating the three-position disconnector for disconnecting, earthing, and ready-to-earth functions.
- Switch-disconnector operation: Engaging and disengaging the three-position switch-disconnector in ring-main panels.
- Earthing and de-earthing: Securing feeders and the system by applying or removing earthing connections.
- Testing: Performing cable tests and other electrical tests.
- Maintenance: General service instructions, including cleaning and anti-corrosion measures.
Detailed procedures are provided with diagrams and step-by-step instructions.
Troubleshooting and error codes
| Problem/Malfunction | Possible Cause | Remedy |
|---|---|---|
| Circuit-breaker does not close | Closing spring not charged | Charge the closing spring manually or with the motor operating mechanism. |
| Circuit-breaker does not open | Shunt release (Y1) not energized | Check wiring and control voltage for the shunt release. |
| Disconnector cannot be moved | Interlocks engaged | Check and release interlocks according to operating instructions. |
| Ready-for-service indicator faulty | Sensor malfunction or low gas pressure | Check gas pressure and consult service if indicator is faulty. |