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LONGWELL support

Contact & Support

Find product information, check certification documents or get help with your application. Start with the resource you need.

Have a model or project in mind?

Share your model number, voltage and application so we can direct your enquiry to the right information.

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How can we help?

Choose a direct route to the information or assistance you need.

Contact & Technical Support

Get help with product selection, an existing order or model-specific technical questions.

Contact LONGWELL

Catalogs & Brochures

Browse product families, dimensions and performance information to narrow down your fan or motor selection.

Browse product catalogs

Certifications & Declarations

View available certification documents and confirm which records apply to your model and destination market.

View certification documents

Looking for downloadable documents?

Start with our product catalog and certification libraries.

Download Center

Model-specific documents

Need a manual or technical file?

For manuals, wiring details, software or communication protocols, contact our team with your product information. We will help identify the documents available for your configuration.

  • Manuals & installation
  • Wiring diagrams
  • Software & configuration
  • Communication protocols

Help us find the right document

Include the model number, voltage and application. A nameplate photo, destination market and the document you need are also helpful.

Request Technical Documents

Ordering & Policies

Review the information relevant to delivery and returns.