Quick-Start Operating Guide
USP 797 Modular Cleanroom
©
Copyright 2015 Terra Universal Inc. All rights reserved. • Revised Dec 2019 • Document No. 1800-90
Terra Universal, Inc. • TerraUniversal.com • 800 S. Raymond Ave. • Fullerton, CA 92831 • TEL: (714) 578-6000 • FAX: (714) 578-6020
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Removal and Replacement of the HEPA/ULPA Filter (Standard Unit)
Warning: Disconnect the unit from the electrical power source before attempting any service.
Warning: The Standard Filter is protected with an expanded metal face screen. This is never to be
used to handle the filter. It is only for protection against an accidental touch of the filter. Handle filter only by
the frame.
Tools Required: Phillips Head Driver
Step 1:
Disconnect yellow power cable and remove unit from ceiling (see next page for recommended procedure).
Step 2:
Remove the 10 screws holding the HEPA/ULPA filter to the lid assembly.
Step 3:
Lift the lid assembly off the HEPA/ULPA filter (see figure below). Discard the used filter as per applicable
regulations.
Note:
Before replacing with a new HEPA/ULPA filter, carefully inspect the new filter for any visible damage.
Instructions for removing the Fan Filter Unit from the cleanroom ceiling grid