Table Of Contents - 3M 3MRO401 Installation And Operating Instructions For

• Installation requires some household tools and novice plumbing skills. If you replace your own
kitchen and bathroom faucets, you can handle this!
• 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!
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.
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
INTRODUCTION

TABLE OF CONTENTS

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