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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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9.
Installing Top Corners, Operation Status Indicators, and Side Trim Fascia
A.
Begin by positioning the corner trim with Operation Status Indicator (TUI Logo) on the top corner posts so that all
holes are aligned. The corner trim should fall over the wallboard installed earlier. Loosely fasten #6 x 1-5/8”
Bugle-Head self-tapping drywall screws through the wallboard and into the steel frame.
B.
Install the top fascia trim strips next to the corner trim. Each piece attaches to the adjacent piece by means of
two screw holes on the mounting plates, which bend 90 degrees inward. For each connection, use one 8/32
Phillips screw, two flat washers, one lock washers and one acorn nut. Do not tighten.
Ceiling Panel Caulking
To meet USP 797 requirements for a sterile environment, seams along the edges of the cleanroom ceiling panels
must typically be caulked. Terra provides 100% silicone sealant for this purpose. Prior to caulking, carefully clean all
panel-to-frame seams with a clean, non-woven wiper saturated with appropriate cleaning agent (such as 70% IPA /
30% DI water). Allow cleaned surfaces to dry before applying sealant with a caulking gun (not provided). Apply a
Installing the top trim fascia:
use #6 x 1-5/8” Bugle-
Head self-tapping drywall screws to attach pieces to
frame (using pre-drilled holes) and 8/32 screws with
washers and acorn nuts to connect adjoining pieces.
Operation Status Indicator lights
connect to the PDM
by means of low-voltage telephone cable. When
connected, they should glow continuously as long as
FFUs are ON, and flash intermittently when they are
turned OFF.