Express Water 300GPD Manual de usuario
Light Commercial
Reverse Osmosis
System
Installation Manual
2
Overall System Connections
Hello!
You’ve taken the rst step to having healthier and better from now on thanks to Express Water’s Light Commercial
Reverse Osmosis Water Filtration System. Your new ltration system protects you and any appliances from
contaminants with hundreds of gallons of perfectly pure water every day.
If at any point in the installation process you have questions just give us a call from 10am-5pm (Pacic Time) at
1-800-992-8876 Monday - Friday
Reverse Osmosis
3
READ THIS FIRST
Please pay attention to the following inallation and safety recommendations:
Read the inallation manual before inalling this syem.
NOTE! Please make sure your inallation location has enough room and access to a 110v power supply.
Incoming Water
Incoming water pressure mu be between 10 PSI and 100 PSI. Te your water occasionally to make sure the syem is
performing. If your water is microbiologically unsafe or of unknown quality do not use this syem without adequate
disinfection before or after the syem. Extremely hot or cold incoming water will damage the syem and cannot be
used. Your Untreated Water Inow quality will determine your needs for pretreatment and ltration.
Leaks
Inspect all connections after the inallation to make sure no leaks occur, wait until after the syem is pressurized to
inspect again. Check the syem occasionally after inallation or maintenance to make sure no leaks have developed.
Inall the syem in a location with adequate drainage.
General
This Light Commercial RO Syem is for climate controlled indoor use only. Exposure to overly high or low
temperature ranges will damage the unit. Follow all of your ate and local laws and codes regarding plumbing even
if they dier from what is ated in this manual. If your ate law requires it or you prefer to we recommend using
a professional licensed inaller or plumber who meets the requirements of this syem. All O-Rings, ttings, lter
caniers, and teon tape wears out after a certain period of time. The lifetime of your components are subject to
change with the quality of the water supplied. Do not handle an unwrapped lter directly with your bare hands as this
can cause early lter failure. Use appropriate eye protection when performing any drilling.
Maintenance
The owner/user is obligated to properly inspect and maintain the Commercial RO Syem when necessary, at lea
every 1 year. This includes the following:
Replace the O-Rings on the lter housings, membrane housing, booer pump, ttings, and lter cartridges.
Replace any connectors and lter housings with proper replacement parts.
Sanitize your syem as often as needed (this changes with the prole of your area’s incoming water).
Always use proper replacement lter cartridges with the correct size and length replacements.
Replace the Teon Tape on all threaded connections and ttings.
Copyright © 2020 by Express Water Inc.
All rights reserved. No part of this publication may be reproduced, diributed, or transmitted in any form or by any
means, including photocopying, recording, or other electronic or mechanical methods, without the prior written
permission of the publisher, except in the case of brief quotations embodied in critical reviews and certain other
noncommercial uses permitted by copyright law.
Conditions
4
Table of Contents
Introduction
Inallation Notes
Components Li
Syem Components
Syem Guide
Tubing Quick Connect Guide
Inallation
Feed Water Adapter Valve
Drain Saddle
Filter Housing Assembly
Water Storage Tank
Syem Connections
Syem Startup
Syem Maintenance
Filter Change Inruction
How to Sanitize your RO Drinking Water Syem
FAQ
Warranty
Page 5
Page 6
Page 6
Page 7
Page 8
Page 9
Page 10
Page 12
Page 13
Page 14
Page 15
Page 16
Page 16
Page 17
Page 18
Page 19
Page 21
5
Introduction
You have purchased the ne residential Light Commercial Reverse Osmosis Water Filtration Syem
available for your water purication. When properly maintained this syem will provide you with years of
great taing pure drinking water and trouble-free service.
Please read the manual section regarding the proper care and maintenance of your new RO Syem
before proceeding with your inallation. Also, please make sure to inspect the package for any missing
components or shipping damages.
Simply read through the manual and complete the eps in order and you’ll have your syem up and
running in no time. If you nd any issues or have queions please contact Express Water from 10am to
5pm (Pacic Time) at: 1-800-992-8876 Monday - Friday
Visit ExpressWater.com for lter replacements.
Stage 1
5 Micron
Sediment Filter
Stages 2, 3 and 5
Activated Carbon
Block Filter
Stage 4
RO Membrane Booster Pump
Part
Model
Service Life
FLTWH1025C02FLTWH1025S
Custom Order
Please contact us
for these items
300GPD Membrane
Replacements Table
6 Months6 Months 6 Months - 1 Year
6
• Box Cutter / Tube Cutter
• Phillips-Head Screwdriver
• Power Drill
• 3/8” Drill Bit (for Drain Saddle)
• Adjuable Wrench
• Teon Tape
19ft of 3/8” Tubing
Feed Water Adapter Valve
Filter Housing Wrench
Membrane Housing Wrench
Installation Notes
Tools Required
Components List
Your new Elite RO should include the following items. If any item is missing please contact Express Water. Please
take a few moments to check all the following components:
Before you begin, please make sure you have all of the following tools ready to use:
Accessories and Connections
Drain Saddle Package
Foam Gasket 2 Drain Clamp Halves 2 Nuts
2 Bolts
Valve
Body
7
Syem Components
1. Feed Water Adapter Valve
2. Solenoid
3. Stage 1 Sediment Filter
4. Stage 2 Carbon Block Filter
5. Stage 3 Carbon Block Filter
6. Male Tee (3/8”)
7. Male Elbow (3/8”)
8. Low Pressure Switch
9. Flow Splitter (3/8”)
10. Adapter (3/8” to 1/4” QC)
11. Adapter (3/8” male to 3/8” QC)
12. Incoming Pressure Gauge
13. Operating Pressure Gauge
14. Male Membrane Elbow
15. Check Valve (3/8”)
16. High Pressure Switch
17. Flow Restrictor
18. Union Tee (3/8” 3/8” 1/4”)
19. Post Carbon Filter
20. RO Membrane Housing
21. Booster Pump
1
3
in
out
Stage
1
Stage
2
Stage
3
in in
out out
45
6
7
7
8
10
11 11
11 11
11 11
12
13
15
16
20
21
17
14
14
9
7777
7
7
Drain Line
(Optional)
Tank Connection
7
in out
18
Pure Water
Outow
6
6
19
Pure Water
Outow
2
Stage
5
8
Syem Guide
Working Pressure Gauge
This will show the pressure
at which your Booer
Pump is operating.
Incoming Pressure Gauge
This will show the pressure
of your incoming water.
Untreated Water Inow
This is where your untreated or “tap” water
enters the syem. The water then proceeds
through the ve ages of ltration.
Pure Water Outow
This is where the syem
delivers your puried water,
this can be routed into a
faucet or directly into an
appliance or other device.
Drain Line
This is where the impure water rejected by the Reverse
Osmosis Membrane (the 4th age of ltration) is ushed
out. This should go to a drainage pipe or other outlet. This
water is not safe for consumption, but can be used for
purposes like watering plants. The syem rejects between
1 and 3 gallons of water on average.
9
Tubing Quick Connect Guide
To Cut Tubing
Make your cuts again a at cutting surface with a razor blade, or use a handheld tube cutter. Any cuts to your
Tubing mu be perfectly raight.
NOTE! Improperly cut Tubing may leak water or fail to lock into Fittings.
Wait until all elements of your RO Syem are in their nal locations before cutting your Tubing.
Make sure you measure the length you will need before cutting. Please avoid unnecessary additional tubing as it will
aect the eciency of your water production and delivery.
Attach Tubing
Push Tubing in raight and level with
the Collet. The Tubing will go 13/16ths
of an inch into the Collet before the
lock is activated. Pull out on the Tube to
make sure the lock has activated and the
Tubing is secure.
NOTE! Once connected, make sure to
check tubing is secure.
13/16”
13/16”
The tubing in your RO Syem uses a
Quick Connect locking mechanism to
lock the Color Coded Tubing in place. Be
careful not to damage your tubing as you
unpack it.
NOTE! Make sure to remove any
plugs before attempting to insert
tubing.
Release Tubing / Plugs
Push and hold the Collet in to release the
lock while pulling out on the Tube / Plug.
NOTE! Collet mu be held down while
pulling up on the tube to release the
tube.
Hold
Down
Plug
Collet
Fitting
10
Feed Water Adapter Valve
NOTE!
If your Cold Water Valve is too old or weak to connect
to directly Option A you can connect at the top of the
line where the faucet connects Option B (if applicable,
some sinks do not have this connection point).
2. Locate the Cold Water Valve underneath the sink
and turn it o completely. Next, open the cold water
handle on your sink to release pressure by expelling
any exiing water. Check to make sure the water has
opped owing completely before proceeding.
CAUTION!
The water supply to the unit MUST be from
the COLD WATER LINE. Using HOT WATER will
severely damage your RO Syem.
Do Not Connect To
Hot Water Line!
NOTE!
On single-handle faucets the hot water may have to
be turned o to prevent hot water crossover (only
during your r inallation).
If water ill continues to come out of the faucet with
the Cold Water Valve turned o, then the main water
supply mu be turned o as well.
1. Fir you will assemble the feed water adapter. Wrap
the threading of the smaller portion of the adapter
(with the red handle) with 10-14 wraps of teon tape.
Then screw the smaller portion of the adapter into the
side of the larger portion as shown.
Hot Water
Line
Cold Water
Line
A
B
Teon Tape
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