1. Determine the position of the elbow: First, determine the position and height of the elbow of the range hood for subsequent treatment.

2. Open the hood: Open the hood and measure the hole and distance of the hood.

3. Cutting the pipeline: cut the pipeline according to the hole and distance measured by the top cover.

4. Install the elbow: insert the elbow into the pipeline, adjust and fix it to ensure that the elbow is closely attached to the pipeline.

5. Install bracket: Install bracket between elbow and pipeline to support the connection between elbow and pipeline.

6. Install the power cord: according to the needs of the range hood, connect the power cord to the elbow for electrical grounding.

7. Install the range hood: connect the range hood with an elbow and fix it to ensure the stability of the range hood.

8. Debugging: Debug and test the range hood to ensure its normal operation.

The above is the installation method of the hood elbow in the hotel. It should be noted that safety and hygiene should be paid attention to when installing the elbow of range hood.