ENERGY RECOVERY, INC.PX-260, ERI Part Number 40018-01PX-220, ERI Part Number 40009-02PX-180, ERI Part Number 40009-01 Energy Recovery, Inc. 1908 Doolittle Drive, San Leandro, CA 94577 USA Tel: +1 510 483 7370 / Fax: +1 510 483 7371www.energy-recovery.com / sales@energy-recovery.comERI DOCUMENT NUMBER 80019-01 REVISION 7 Energy Recovery, Inc., 2008 INSTALLATION, OPERATION, & MAINTENANCE MANUAL65-SERIES PRESSURE EXCHANGER ENERGY RECOVERY DEVICESTABLE OF CONTENTS1.02.03.04.05.06.07.08.09.010.011.012.0INTRODUCTION............................................................................................................. 3SAFETY............................................................................................................................. 3QUALITY & ARRIVAL INSPECTION ........................................................................ 4DESIGN CONSIDERATIONS........................................................................................ 44.1How the PX Energy Recovery Device Works........................................................ 44.2PX Energy Recovery Devices in SWRO Systems.................................................. 54.3PX Energy Recovery Device Performance............................................................. 74.4PX Rotor Lubrication.............................................................................................. 84.5The Circulation Pump ............................................................................................. 84.6Seawater Supply...................................................................................................... 94.7Flushing................................................................................................................... 94.8Debris and Initial Flushing.................................................................................... 104.9High Pressure Remains After Shutdown .............................................................. 104.10 Low Pressure Isolation and Over-pressurization .................................................. 104.11 Multiple PX Unit Manifold Design ...................................................................... 11INSTALLATION............................................................................................................ 13OPERATION .................................................................................................................. 146.1System Performance Specifications, Precautions, and Conditions....................... 146.2Start and Stop Procedures ..................................................................................... 166.3Flow Control and System Balancing .................................................................... 17SPARE PARTS AND TOOL KITS............................................................................... 20SERVICE......................................................................................................................... 218.1Disassembly Procedure......................................................................................... 218.2Assembly Procedure ............................................................................................. 25TROUBLESHOOTING ................................................................................................. 31FIELD COMMISSIONING AND SUPPORT SERVICES ........................................ 34REVISION LOG............................................................................................................. 34DRAWINGS AND DATA .............................................................................................. 35