Detailed Answer
Wiring diagram sources: 1. manual in the product package (LDER LD series includes detailed wiring diagrams); 2. official website download center; 3. request from customer service/technical support; 4. WeChat official account document library. Diagrams include: power wiring, relay output definitions, terminal numbers, wiring illustration. Contact definitions differ by model; always use the diagram for your model.
| Sources | Manual/website/support |
| Content | Power + output definitions |
| Note | Match the model |
Note:Keep the manual safe; you'll need it for maintenance.