CASH A31VR
INSTALLATION INSTRUCTIONS
Before installation these instructions must be fully read and understood
INSTALLATION
1. Take care to keep dirt, chips, pipe dope
or Teflon Tape shreds out of valve port
connections when assembling to fittings or
piping.
2. Refer to Diagram:
Port 3 – Connect to Vacuum source
Port 1 and 2 – Connect either to process for
regulated vacuum. Port 1 is 1/4” NPT and
Port 2 is 1/8” NPT. Whichever port is not
connected to the regulated vacuum process,
may be used for a gauge connection or it
should be plugged.
ADJUSTING VACUUM
Turn Adjusting screw counter clockwise to
increase vacuum setting (i.e. – change from
5” Hg Vac to 10” Hg Vac.). To reduce vacuum
setting, turn adjusting screw clockwise
(i.e. – change from 10” Hg Vac to 5” Hg. Vac.).
Emerson.com/FinalControl © 2018 Emerson. All rights reserved. VCIOM-10770-EN 18/11
FIGURE 1
2
Neither Emerson, Emerson Automation Solutions, nor any of their affiliated entities assumes responsibility for the selection, use or maintenance of any product.
Responsibility for proper selection, use, and maintenance of any product remains solely with the purchaser and end user.
Cash is a mark owned by one of the companies in the Emerson Automation Solutions business unit of Emerson Electric Co. Emerson Automation Solutions, Emerson
andthe Emerson logo are trademarks and service marks of Emerson Electric Co. All other marks are the property of their respective owners.
The contents of this publication are presented for informational purposes only, and while every effort has been made to ensure their accuracy, they are not to be
construed as warranties or guarantees, express or implied, regarding the products or services described herein or their use or applicability. All sales are governed by
our terms and conditions, which are available upon request. We reserve the right to modify or improve the designs or specifications of such products at any time without
notice.
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