GE Osmonics E4H Series - User Manual

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E4H SERIES

WATER PURIFICATION MACHINES

OPERATION AND

MAINTENANCE MANUAL

Table of Contents

Questions and Answers

M
Melissa FoxAug 19, 2025
What to do if my GE Water Filtration System is switched ON but not operating?
- N
  Nathan PowellSep 12, 2025
  If your GE Water Filtration System isn't working when switched on, several factors could be at play. The pressurized storage switch or float switch might have cut power to the machine; check the permeate back pressure or the float's position in the storage tank. The motor's thermal overload could have tripped; allow the machine to cool and check the feed water supply and/or AMP draw to the motor. There might be no power reaching the machine, so check the fuses or circuit breakers and measure the voltage. Alternatively, the motor and/or pump might not be operating correctly. Refer to the pump instructions.
K
Kristina LeeAug 22, 2025
What causes high operating pressure in GE Water Filtration Systems?
- J
  jphillipsAug 22, 2025
  High operating pressure in your GE Water Filtration System can be caused by a plugged recycle or concentrate valve; disassemble the plumbing to the recycle valve and remove any foreign particles, and check the concentrate valve stem. An inaccurate pressure gauge can also be the reason, so replace or calibrate the gauge as needed. A restricted or reduced permeate flow rate might also be the cause. Consult the possible causes for low permeate rate.
H
Hailey SalazarAug 31, 2025
Why does my GE Water Filtration System experience electrical shutdowns?
- C
  Caroline JohnsonAug 31, 2025
  Electrical shutdowns in your GE Water Filtration System can occur due to several reasons. An alarm condition might have turned the machine off; try restarting the machine by pushing the alarm bypass and check for possible alarm conditions like inlet pressure or motor starter overload. The motor starter could be overloaded, or the heater tripped; turn the switch off, rest the heater(s), and check the motor AMP draw and the line voltage. A defective or burned-out timing relay can also cause shutdowns; replace the relay.
C
Christina SellersSep 3, 2025
What causes excessive pressure drop in GE Water Filtration Systems?
- K
  Katrina SimmonsSep 3, 2025
  Excessive pressure drop in GE Water Filtration Systems, indicated by a high primary pressure and low final pressure (over 50 psig or 3.4 barg), can be attributed to a few key issues. There might be restricted flow after the pump outlet; check for blockage of the concentrate flow at the inlets and outlets of membrane element housings. A telescoped membrane element covering the membrane element housing outlet port can also cause this; ensure that the anti-telescoping device (ATD) is properly located on the membrane element. Severely fouled or dirty membrane elements can also lead to excessive pressure drop; flush the machine and then clean it with detergent.
L
Larry FoleySep 6, 2025
Why is the concentrate flow rate low in my GE Water Filtration System?
- N
  Nicholas KingSep 6, 2025
  A low concentrate flow rate with normal or higher than normal pressure in your GE Water Filtration System could be due to a plugged concentrate valve; remove the concentrate valve stem and/or disassemble the plumbing and clean the valve. Alternatively, the concentrate outlet line might be restricted; examine the concentrate line for obstructions or kinks, and repair or replace the tubing. An inaccurate flow meter can also give a false reading; check the flow rate manually with a calibrated container.
W
williamswilliamSep 9, 2025
What to do if water is flowing from my GE Water Filtration System when it's turned OFF?
- K
  kellimitchellSep 9, 2025
  If water continues to flow from your GE Water Filtration System even when it's turned off, the inlet solenoid valve might not be closing or seating properly. Try cleaning or replacing the valve. Also, immediately clean the membrane elements with detergent. It's crucial that water does not pass through the inlet when the machine is off.
O
olivia57Sep 12, 2025
Why doesn't the pressure drop when I open the concentrate valve on my GE Water Filtration System?
- G
  gfosterSep 12, 2025
  If the pressure doesn't drop when you open the concentrate valve on your GE Water Filtration System, it could be due to a dirty concentrate valve. Disassemble and clean the plumbing to the valve.
T
Troy WilsonNov 15, 2025
Why is the operating pressure low on my GE Water Filtration System?
- A
  amanda24Nov 15, 2025
  Low operating pressure in your GE Water Filtration System can stem from several causes. It could be due to insufficient feed water pressure or flow, which can be resolved by opening the feed pressure and water valve, and checking for any restrictions. A clogged pre-filter cartridge can also be the culprit, requiring a replacement. High flow rates may also cause this; in this case, close the concentrate valve and adjust the permeate and concentrate flow rates, checking for a damaged O-ring if the permeate flow is excessive. Other potential causes include dirty or fouled membrane elements (flush and clean them), a solenoid valve not opening (clean or replace it), a pump rotating backwards (for three-phase power, switch any two of the three-phase leads to the motor starter), insufficient elec...
E
Emily NelsonNov 24, 2025
How to fix declining rejection (high permeate conductivity) in my GE Water Filtration System?
- S
  Steven WatkinsNov 24, 2025
  Declining rejection, indicated by high permeate conductivity in your GE Water Filtration System, can result from several issues. Dirty or fouled membrane elements are a common cause, so flush and clean them. A broken or damaged O-ring seal can also lead to this problem; replace the O-ring and inspect the sealing surfaces on the O-ring groove, interconnectors, and end caps, replacing any damaged parts. Changes in incoming water quality can also affect rejection; open the concentrate valve and flush, then test the water for pH, hardness, TDS, and iron content. Finally, an inaccurate conductivity monitor or a fouled probe can give incorrect readings; calibrate the monitor with a solution of known conductivity or verify the readings with another conductivity meter, and replace or clean the pro...
D
Dana TranNov 27, 2025
Why is the permeate flow rate still low on my GE Water Filtration System?
- R
  Ricardo JohnsonNov 27, 2025
  If you're still experiencing a low permeate flow rate with your GE Water Filtration System, consider these potential causes. Dirty or fouled membrane elements could be the issue, requiring you to flush and clean them. Operating on cold water (less than 55ºF or 13ºC) can also reduce flow; install a hot/cold feed water tempering valve if more permeate flow is needed, and aim for a feed water temperature of 72º - 77ºF (22º - 25ºC). Incorrectly installed membrane elements or a damaged concentrate seal can also be responsible; install membrane elements in the direction of fluid flow and immediately flush and clean the machine and damaged concentrate seals should be cleaned and may be returned for repair. Finally, an inaccurate flow meter may be providing incorrect readings; check the flow rate ...

GE Osmonics E4H Series Specifications

General

Stages	4
Chlorine Tolerance	<0.1 ppm
Type	Reverse Osmosis System
Membrane Type	Thin Film Composite (TFC)
Maximum Feed Flow Rate	Varies by model

Summary

Description of GE Osmonics E4 H Series Machines

General Information and Principles of Operation

Explains the RO process, cross-flow filtration, and membrane element design.

Specifications for E-Series Machines

Installation of E4 H Series Machines

Preparation and Start-Up Procedures

Pretreatment for Water Purification

Start-Up Procedure

Step-by-step guide for initiating machine operation after installation and preparation.

Operation and Maintenance of E4 H Machines

Pre-Filter Cartridge Maintenance

Flushing and Cleaning Procedures

Membrane Element Installation and Replacement

Covers the process of installing new membrane elements and replacing old ones.

Troubleshooting Guide for E4 H Machines

Troubleshooting Guide

Provides a comprehensive guide to identify and resolve common machine issues and symptoms.

Warranty Information

Warranty Terms and Conditions

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