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WELCOME 

 

This manual is provided for installation, operation, and maintenance of a Reverse Osmosis (RO) water purification 

system designed and built by WET.  It is intended to be used, along with the component manufacturer literature 

included in the Appendix, to provide comprehensive and accurate information for the operation of this RO system.  

WET  wants to ensure your complete satisfaction with their products and services. Contact your WET 

representative for sales, technical support, and service using the contact information provided with this manual.  

 

DISCLAIMER AND LIMITATIONS 

 

This manual discloses proprietary information of WET. This information is provided for the purpose of operating 

and maintaining its RO systems, and may not be used for any other purpose. 

It is recommended that this manual be read and understood before performing installation, operation, and 

maintenance of the RO system.  The equipment warranty may be voided if instructions are not followed correctly.   

The information provided may not cover all possible variations of detail in relation to equipment use.  Please 

contact the WET Service Department for any technical questions that are not specifically answered in this manual. 

The Seller reserves the right to make enhancements or changes that may not be included in the manual.  

Therefore, it is understood that the material presented here is subject to change without notice and is for 

informational purposes only.  

This manual is believed to be complete and accurate at the  time of publication.  However,  WET  assumes no 

responsibility for the technical content of the manufacturer literature.  Due to the inability to verify all vendor-

provided materials, WET assumes no responsibility for any errors and shall not be liable for damages in connection 

with the use of this manual. 

© Copyright 2006 XYLEM WET.  All rights reserved.  

 

IMPORTANT USER INFORMATION  

PLEASE DO NOT DISCARD 

THIS MANUAL CONTAINS IMPORTANT INFORMATION WHICH SPECIFICALLY APPLIES 

TO THIS UNIT.  THIS INFORMATION MAY BE NEEDED AS REFERENCE DURING ANY 

FUTURE SERVICING OF THE SYSTEM. 

 

 

 

 

RO MODEL_______________________________ 

 

INSTALLED BY____________________________ 

 

TELEPHONE______________________________ 

 

INITIAL STARTUP DATE____________________ 

 

 

 

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Summary of Contents for GRO

Page 1: ...mo os si is s W Wa at te er r T Tr re ea at tm me en nt t S Sy ys st te em m I I N N S S T T A A L L L L A A T T I I O O N N O O P P E E R R A A T T I I O O N N A A N N D D M M A A I I N N T T E E N N...

Page 2: ...this manual The Seller reserves the right to make enhancements or changes that may not be included in the manual Therefore it is understood that the material presented here is subject to change withou...

Page 3: ...y Electricity and water DO NOT MIX Every effort is made to insure that the electrical equipment on our systems is resistant to water intrusion Once installed the system is subject to many factors beyo...

Page 4: ...nts Section Page System Specifications 5 Installation 6 Operation 9 System Maintenance 10 Cleaning 12 Troubleshooting 14 Drawings GRO 150 700 RO PSI Diagram GRO 150 700 RO Unit Layout GRO 150 700 Elec...

Page 5: ...2 1 97 3 8 1 4 1 4 Note 1 Product flow is the MAXIMUM recommended flow 2 Reject flow is the MINIMUM recommended flow 3 Pump pressure must not exceed 200PSI 13 4 Bar Typical Operating Parameters SPECIF...

Page 6: ...zes a booster pump in an enclosed area be sure that there is adequate ventilation to dissipate the heat from the motor Otherwise the heat buildup can weaken the plastic tubing and may cause it to burs...

Page 7: ...atic carbon filter is used it should be set to regenerate when the RO unit is not running usually at night Hookups 1 Supply Connect the carbon filter to the GRO unit at the prefilter using non corrosi...

Page 8: ...irecting the water to drain 2 Connect the tank from the inlet to outlet and run the water through the tank for an additional 5 minute rinse to drain Failure to follow backwash and rinse the carbon tan...

Page 9: ...ortant when determining the system s performance over time For the most accurate TDS readings let the GRO unit run for at least 15 minutes Unit Shutdown The standard GRO system with no options is turn...

Page 10: ...Feed water temperature should be kept below 100 degree F 37 5 degrees C Membranes Always keep moisture in the membrane pressure vessel and always keep the ends plugged be careful not to cross thread o...

Page 11: ...r sequester calcium carbonate ferrous iron and calcium sulfate from the feed water via water softening or an anti scalant chemical feed system Use test kit to check water quality Follow these basic gu...

Page 12: ...n at 25 degrees C 2 TDS level increase As the TDS Total Dissolved Solids level climbs the amount of water passing through the membrane decreases If the TDS level has climbed since the time of installa...

Page 13: ...he cleaning solution mix sodium hydroxide NaOH with RO product water 2 gallons of water per membrane to obtain a 0 1 solution pH 11 12 30 degrees C maximum water temperature 3 Once the solution is mix...

Page 14: ...R possible reasons 1 O ring by pass on membranes 2 Chlorine damage to membranes 3 Temperature increase 4 Reverse flow through membrane causing a rupture in the membrane PERMEATE TDS TOO HIGH possible...

Page 15: ...15...

Page 16: ...16 Rev 4 October 2018...

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