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How to use AHU Access Doors
Before You Begin
- Select Maintenance Mode and allow fans to stop fully.
- Isolate fans electrically and apply lock-off/tag-out if required.
- Check the latch is not fitted with a white lock cap before attempting to open.
- Ensure the area around the door is clear before swinging or removing it.
Quick Overview
- Isolate the unit before opening any door.
- Open and close the latch-hinge door correctly.
- Remove and refit the door where required.
- Adjust compression to eliminate minor leakage.
Keep This Guide On Hand
This guide explains how to open, remove, refit and adjust AHU access doors fitted with compression latch-hinges. It covers safe isolation before opening, door handling, compression adjustment and pressure relief considerations.
Video guide | 7 minutes 44 Seconds | Booklet included
Written Guide Overview
This written summary mirrors the booklet and gives users a quick reference to the key steps show in the video.
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1
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Isolate the unit, confirm zero airflow, and check that the latch is not locked with a white cap. |
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2
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Open the access door using the compression handle, inspect the seal and confirm correct hinge operation. |
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3
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If required, remove the door completely by opening it fully and lifting it off the hinge pins for safe internal working. |
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4
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Refit the door, adjust compression where needed, verify seal integrity, and confirm the door sits flush and secure on restart. |
What this guide covers
- Safety isolation before opening access doors.
- Left-hand and right-hand hinged door operation.
- Door removal and refitting.
- Compression seal checks and leak correction.
- Pressure relief function and limitations.
- White cap lock indication and final verification.
Need further assitance?
If the portal does not load, re-check the internet connection, QR scan and 18-digit reference number. If access still fails, contact ECE support and quote the unit’s reference number. You can reach our team on 01634 729 690 or sales@eceuk.com.