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STA-RITE System 3 User Manual

STA-RITE System 3
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SYSTEM 3
®
HIGH RATE SAND FILTERS
O W N E R’ S M A N U A L
INSTALLATION, OPERATION & PARTS
MODELS
S7S50 S8S70
This manual should be furnished to
the end user of this filter; its use will
reduce service calls and chance of
injury and will lengthen filter life.
Pentair Water Pool and Spa, Inc.
© 2007 Pentair Water Pool and Spa, Inc. All rights reserved. This document is subject to change without notice.
1620 Hawkins Ave., Sanford, NC 27330 • (919) 566-8000
10951 West Los Angeles Ave., Moorpark, CA 93021 • (805) 553-5000
Trademarks and Disclaimers:
System 3
®
, Sta-Rite
®
and Pentair Water Pool and Spa
®
are trademarks and/or registered trademarks of Pentair Water Pool
and Spa, Inc. and/or its affiliated companies in the United States and/or other counties. Unless noted, names and brands of
others that may be used in this document are not used to indicate an affiliation or endorsement between the proprietors of
these names and brands and Pentair Water Pool and Spa, Inc. Those names and brands may be the trademarks or regis-
tered trademarks of those parties or others.
Printed in U.S.A.
November 1, 2007 S282 (Rev. A)
Protected by one or more of the following U.S. Patents and all corresponding foreign counterparts: U.S. Pat. No. 4,995,523, 5,190,651, 5,753,071 and 6,036,853
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STA-RITE System 3 Specifications

General IconGeneral
Filter TypeCartridge
Max Operating Pressure50 PSI
Cartridge DimensionsVaries by model
Inlet/Outlet Size2 inches
WeightVaries by model
Max Flow Rate150 GPM
MaterialFiberglass

Summary

Safety Instructions

Safety Alert Symbol Definitions

Explains DANGER, WARNING, and CAUTION symbols and their meanings.

Installation

Filter Disassembly and Assembly

Filter Startup Procedures

Startup (Multi-port Valve)

Step-by-step guide for starting the filter with a multi-port valve.

Startup (Slide Valve)

Step-by-step guide for starting the filter with a slide valve.

Regular Operation

Filter Backwash

Backwash Procedure (Multi-Port Valve)

Steps for cleaning the filter by reversing water flow using a multi-port valve.

Repair Parts List

Troubleshooting Guide

Common Issues and Solutions

Addresses problems like short cycles, low flow, and cloudy water with remedies.

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