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GE OSMONICS E4 Series User Manual

GE OSMONICS E4 Series
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23
POSSIBLE CAUSE
Pump rotating backwards
(three-phase power only)
Insufficient electrical power
Pump not operating correctly
Low operating pressure
Dirty or fouled membrane
elements
Operating on cold water less
than 55°F (13°C)
Membrane elements installed
backwards or damaged
concentrate seal
Flow meter inaccurate
PROBLEM
Low Operating
(continued)
Low Permeate Flow
Rate
SOLUTION
Switch any two of the three-phase
leads to the motor starter.
Check the fuses or circuit breaker,
measure the voltage.
See pump instructions.
See possible causes for low
pressure.
Flush and clean membrane
elements
Install a hot/cold feed water tem-
pering valve if more permeate flow
is needed. Operate with a feedwa-
ter temperature of 72° - 75°F
(22° - 25°C).
Install membrane elements in the
direction of fluid flow. Flush and
clean the machine immed
iately.
Membrane elements with damaged
concentrate seals should be
cleaned and may be returned for
repair.
Check the flow rate manually with a
stop watch and calibrated
container.
TROUBLESHOOTING GUIDE
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GE OSMONICS E4 Series Specifications

General IconGeneral
CategoryWater Filtration Systems
ModelE4 Series
ManufacturerGE OSMONICS
Stages4
Membrane TypeThin Film Composite (TFC)
TypeReverse Osmosis
pH Range11

Summary

Installation and Setup

Mounting the Unit

Space requirements for membrane element removal and housing changes.

Plumbing Requirements

Feed water source pressure and quantity requirements for RO machine operation.

Clean-In-Place Valve Installation

Instructions for installing CIP valves in feed, permeate, and concentrate lines.

Concentrate Outlet Connections

Proper drain line connection for concentrate outlet and maximum back pressure.

Feed Water Requirements

Requirements for feed water quality to ensure permeate quality and membrane life.

Permeate Transport and Correction Factors

Methods for transporting permeate and using pressure correction factors.

Electrical Requirements

Details on single-phase and three-phase electrical supply requirements for the RO machine.

Machine Control Configuration

How to remotely control the Economy and Deluxe models using float switches.

Start-Up Procedures and Preparation

Pretreatment checks, start-up preparation, and step-by-step start-up process.

Autoflush Timer Operation

Explanation of the Autoflush timer function and how it increases cross flow for flushing.

Conductivity Probe Calibration

Step-by-step guide to calibrate the conductivity probe using a standard solution.

Operation and Maintenance

Daily Flushing Procedures

Manual flushing for Economy models and automatic flushing for Deluxe models.

Pre-filter and Membrane Maintenance

Pre-filter cartridge replacement and membrane element cleaning recommendations.

Membrane Element Replacement

Changing Out Membrane Elements

Cautionary notes and step-by-step guide for replacing membrane elements.

Troubleshooting Guide

Low Operating Pressure Issues

Common causes and solutions for low operating pressure.

Permeate Flow and Concentrate Issues

Causes and solutions for low permeate flow rate and concentrate flow problems.

Pressure and Conductivity Problems

Causes and solutions for excessive pressure drop and declining rejection.

Machine Shutdown and Power Issues

Causes and solutions for unit not operating or electrical shutdowns.

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