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Table of Contents

System Specifications and Warnings .............................................................................. 4

Installation Instructions .................................................................................................... 5

Start-Up Instructions ....................................................................................................... 11

Series 940 Control Valve Programming ........................................................................ 13

Parts Breakdown

Front Cover and Drive Assembly ........................................................................... 20

Main Body Internal Parts ........................................................................................ 21

Injector Housing Assembly .................................................................................... 22

Brine Elbow Refill Flow Assembly and Refill Port Plug ....................................... 23

Drain Line Assembly ............................................................................................... 24

1” Drain Assembly ................................................................................................... 25

Bypass Breakdown ................................................................................................. 26

Bypass Valve Operation ......................................................................................... 27

Installation Fitting Assemblies ............................................................................... 28

Brine Tank Assembly .............................................................................................. 30

System Specifications ............................................................................................ 31

Service Instructions ........................................................................................................ 33

Troubleshooting for the Control Valve .......................................................................... 39

Manufacturer’s Warranty ................................................................................................ 43

SENTRY II 940ST Series User Manual

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