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INTRODUCTION

  This manual explains the installation, operation and maintenance of the 3MRO401 Reverse Osmosis Water Filtration 

System.  Please read each section of this manual carefully.  

  The RO drinking water system is designed to connect permanently to a home’s plumbing system.  The installation MUST 

conform to your state and local plumbing codes.  Advanced plumbing skills are required to complete your installation.  

Failure to install the system as instructed will 

VOID

 the warranty.

TABLE OF CONTENTS

I. Installation Instructions

A.

   Determine the system location ........................................................................................................5

B.

   Prepare the area for installation ......................................................................................................5

C.

   Determine faucet mounting location ...............................................................................................5

D.

   Make the faucet mounting hole .......................................................................................................5

E.

   Mount the faucet .............................................................................................................................6

F.

   Prepare the system for installation .................................................................................................6

G.

   Install the feed water connection and tubing ..................................................................................7

H.

   Prefill and sanitize the storage tank ................................................................................................7

I. 

   Install the drain connection .............................................................................................................7

J.

   Install the filtration assembly and storage tank ...............................................................................8

K.

   Make the tube connections .............................................................................................................8

L.

   Start up the system .........................................................................................................................8

M.

   Flush the system and check the operation ......................................................................................8

N.

   Installation troubleshooting.............................................................................................................9

II. Operation & Maintenance Instructions

A.

   Important water quality assurance requirements ............................................................................10

B.

   Replacing the filters ........................................................................................................................10

C.

   Replacing the RO membrane module .............................................................................................10

D.

   Sanitizing the RO system ................................................................................................................11

E.

   Long term non-use .........................................................................................................................12

III. Limited Warranty

 ..........................................................................................................12

4

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Installation may require drilling a hole in your sink top.  A variable speed drill and specialized drill bits 

may be needed.  We highly recommend professional installation.

Summary of Contents for 3MRO401

Page 1: ...dration Hot and cold beverages Cooking and food preparation Pet hydration Aquatic aquariums Optimized For Reduction Of Select Volatile Organic Compounds VOCs System tested and certified by NSF Interna...

Page 2: ...to small parts during the installation of this product To reduce the risk associated with ingestion of contaminants Do not use with water that is microbiologically unsafe or of unknown quality without...

Page 3: ...system Where a booster pump is installed on a water system you must install an appropriate pressure relief valve Pres sure relief valve must be maintained and inspected every 6 months Contact a plumbi...

Page 4: ...ing location 5 D Make the faucet mounting hole 5 E Mount the faucet 6 F Prepare the system for installation 6 G Install the feed water connection and tubing 7 H Prefill and sanitize the storage tank 7...

Page 5: ...nothing will interfere with mounting the faucet such as reinforcing ribs support brackets or the cabinet construction If drilling a hole in your sink is required the professional installer should foll...

Page 6: ...Gap is provided by hole 1 above faucet base 1 Familiarize yourself with all of the components shown in the air gap faucet diagram See Fig 2 2 Slide the chrome base plate and rubber washer up the thre...

Page 7: ...y and the tank valve Disconnect the orange and yellow tube from the union connector setting the tank aside while proceeding with the rest of the installation the sanitizing solution should be kept in...

Page 8: ...ween the sink basins for ease of access if space permits K MAKE THE TUBING CONNECTIONS With all of the components in place the tubing connections can be made When routing the tubing between the compon...

Page 9: ...The drain line has a loop in it Air is locked in the air gap outlet There is excessive RO reject flow Solutions Check to see that the drain line is clear of any obstruction and remove the drain saddle...

Page 10: ...ed valve Wait five 5 minutes for the filtration assembly to completely depressurize 2 Remove cover 3 Twist the existing filter 1 4 turn to the left so that the ears on the filter are able to disengage...

Page 11: ...ly and are not designed to sanitize systems that have become highly contaminated from misuse When to Sanitize the Storage Tank Upon start up as described in the beginning of this manual After any serv...

Page 12: ...tion Inc will replace the Product or refund your Product purchase price This warranty does not cover labor The remedy stated in this paragraph is Customer s sole remedy and 3M Purification Inc s exclu...

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