Culligan US-3UF Installation And Operating Instructions Manual
Ultrafiltration System
with SureLock
™
Installation and operating instructions
Model US-3UF
Sistema de ultrafiltración
con SureLock
™
Instrucciones de instalación y uso
Modelo US-3UF
Système d'ultrafiltration
avec SureLock
™
Guide d’installation et d’utilisation
Modèles US-3UF
DRINKING WATER | AGUA POTABLE | EAU POTABLE
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PRECAUTIONS
WARNING: Do not use with water that is microbiologically unsafe or of unknown source/quality without
adequate disinfection before or after the system.
CAUTION: Filter housing must be protected against freezing temperatures, frost, snow, sleet, and ice.
Exposure to these elements can produce cracks and product failures.
CAUTION: This product has a limited service life. We recommend that a record be kept regarding the
date of install and any other performed maintenance. Because of the product’s limited service life and
to prevent costly repairs or possible water damage, we strongly recommend that the head of the filter
be replaced every ten years.
CAUTION: Turn off water supply to head and remove cartridges if it must be left unattended for an
extended period of time.
• For cold water use only. Do not use on hot water line.
• After prolonged periods of non-use (such as during a vacation) it is recommended that the system
be flushed thoroughly. Let water run for 5–6 minutes before using.
• The filters recommended for use with this system carry a limited service life. Changes in taste, odor,
color, and/or flow of the water being filtered indicate that the cartridge should be replaced.
• Make certain that installation complies with all state and local laws and regulations.
• The contaminants or other substances removed or reduced are not necessarily in your water.
TOOLS & MATERIALS
REQUIRED
• Screwdriver
• Adjustable Wrench
• Utility Knife
• Drill and 1/8˝ Drill Bit
• Plumbers Tape
• Tape Measure
• Safety Glasses
• Masking Tape
• Towels
• Pencil
• Pan or Bucket
PARTS
INCLUDED:
• System
• Battery Cover
• Filter Cassette (US-3UF-R)
• Inlet Cover
• Inlet/Outlet Plugs
• Faucet
• Faucet Base
• Faucet Base Gasket
• Black Washer
• Faucet Stem Nut
• Metal Lock Washer
• Faucet Quick Connect
• Water Supply Adapter
• Mounting Screws
• 3/8˝ Blue Plastic Tubing
• 3/8˝ White Plastic Tubing
SPECIFICATIONS
Pressure Range: 30 –100 psi (207–689 kPa)
Rated Service Flow: 0.75 gpm at 60 psi
(2.8 Lpm at 4.1 bar)
Temperature Range: 40 –100°F (4.4 – 37.7°C)
PARTS INCLUDED:
Battery Cover
System
Filter Cassette (US-3UF-R)
Inlet Cover
Inlet/Outlet Plugs
Faucet
Faucet Base
Faucet Base Gasket
Black Washer
Faucet Stem Nut
Metal Lock Washer
Faucet Quick Connect
Water Supply Adapter
Mounting Screws
3/8˝ White Plastic Tubing
ULTRAFILTRATION SYSTEM
English
18007217360 MON DAYFR IDAY 8:00AM4:30PM CST
3/8˝ Blue Plastic Tubing
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Guide the faucet base gasket onto the faucet
base and then onto the faucet. Lower faucet stem
through hole in sink. Make sure the faucet sits
flat on top of the sink or countertop surface.
From underneath the sink, guide the black
washer onto stem, followed by the metal lock
washer, then screw the faucet stem nut all
the way up the faucet stem and tighten
to secure faucet to sink.
From underneath the sink, hand-tighten the faucet
quick connect fitting onto the faucet stem.
Turn off cold water shut-off valve then turn on
the kitchen faucet and allow all water to drain
from line.
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INSTALLATION
• Consult your local plumbing codes and install accordingly.
• If your sink does not have a pre-drilled hole, go to step 1, if your sink does have a pre-drilled hole,
go to step 3.
NOTE: The faucet should be positioned with function, convenience and appearance in mind. An adequate
flat area is required to allow faucet base to rest securely. Most sinks have pre-drilled 1-3⁄8˝ or 1-1⁄2˝
diameter holes that may be used for faucet installation. If these pre-drilled holes cannot be used or are
in an inconvenient location, it will be necessary to drill a hole in the sink to accommodate the faucet.
NOTE: DO NOT DRILL THROUGH AN ALL-PORCELAIN OR CAST IRON SINK. If installing on an
all-porcelain or cast iron sink, the faucet must be mounted in a pre-drilled sprayer hole or through
the countertop next to the sink. If the countertop must be drilled, make certain that the area below the
drilling location is free of wiring and pipes. Also, make sure that there is sufficient room to make the
proper connections to the bottom of the faucet mount.
NOTE: Consult with a plumber or the countertop manufacturer for assistance with drilling through
countertops more than 1˝ thick or if it is made of tile, marble, granite, or similar material.
CAUTION: The use of safety glasses and
respirator for this procedure is recommended.
In order to prevent parts and materials from
falling down the drain, line the sink with
newspaper or a towel.
Place masking tape over the area to be drilled
to prevent scratches if drill bit slips.
Using a pencil, mark the drill hole. Drill a hole
for faucet (most sinks have 1-3⁄8˝ or 1-1⁄2˝
diameter holes).
Drill completely through the sink
or countertop.
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1
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NOTE: Routine maintenance and cartridge
replacement will not require that you disconnect
the tubing from the system head; however, tubing
may be quickly and easily removed from the
fitting if necessary. First, turn off the water supply
to the filter. Open kitchen faucet, then press in the
collar around the fitting while pulling the tubing
with your other hand.
You have the ability to attach your tubing to
either side of the system.
Decide which side you wish to use for
your installation.
On the side you will NOT be using, push the
inlet/outlet plugs into the inlet/outlet holes
approximately 5/8" until is stops.
Insert the inlet cover cap by firmly pressing it
into the inlet access hole.
Wet one end of the blue 3/8˝ plastic tubing with
water and push it into the water supply adapter
approximately 5/8˝ until it stops.
Wet the other end of the blue 3/8˝ plastic tubing
with water and push it into the blue system inlet
fitting approximately 5/8˝ until it stops.
NOTE: Do not bend or crimp blue 3/8˝ plastic
tubing when inserting.
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13
COLLAR
Wet one end of the white 3/8˝ plastic tubing with
water and push it into the faucet quick connect
fitting adapter approximately 5/8˝ until it stops.
Wet the other end of the white 3/8˝ plastic tubing
with water and push it into the white system
outlet approximately 5/8˝ until it stops.
NOTE: Do not bend or crimp white 3/8˝ plastic
tubing when inserting.
14
Hand-tighten the water supply adapter to the
cold water shut-off valve as shown.
Hand-tighten the lower end of cold water line
onto the top of the water supply adapter.
8
Choose an easy-to-access area under the sink to
mount the filter system.
SYSTEM MUST BE ON FLOOR FOR LEAK
DETECTOR TO WORK PROPERLY.
NOTE: The filter system must be mounted in a
vertical position.
NOTE: System should be mounted to a stud or
firm surface.
9
Using the built-in bracket on the back of
the system, mark with a pencil the middle
of the holes for the mounting screws on the
wall surface.
Using a 1/8˝ drill bit, drill four pilot holes
for the mounting screws. Insert mounting
screws into the wall with a screwdriver,
leaving approximately 3/8˝ of each mounting
screw exposed.
Hang the system on the eyes of the bracket.
10
Disconnect the cold water line from the
cold water shut-off valve.
NOTE: If rigid plumbing pipe (metal or plastic)
is used, you may need to shorten the pipe using
a hacksaw or pipe cutter to accommodate the
water supply adapter.
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FILTER CARTRIDGE REPLACEMENT
• Replace your US-3UF-R filter every 6 months for best results.
Guide the base of the cassette into the base of
the system, then rock the top of the cassette
backwards to rest against the system.
Lock the system and cassette into place by
lowering the system handle.
Turn on drinking water faucet and allow water
to run for 10 minutes to flush air and carbon
fines (very fine black powder).
NOTE: Filter life timer will reset when handle
is raised and lowered.
3
Turn off the cold water to the system using the
shut-off valve on the water supply adapter and
dispense water from drinking water faucet until
water flow stops to relieve pressure.
Unlock the system by raising the system handle.
Rock the top of the cassette forwards away from
the system, then gently remove cartridge from
system and discard.
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2
Turn on the cold water shut-off valve and the
water supply adapter. Check for leaks.
Turn on drinking water faucet and allow water to
run for 10 minutes to flush air and carbon fines
(very fine black powder).
Check for leaks before leaving installation.
If it leaks, see troubleshooting.
Unlock the system by raising the system handle.
Guide the base of the cassette into the base of
the system, then rock the top of the cassette
backwards to rest against the system.
Lock the system and cassette into place by
lowering the system handle.
NOTE: Cassette is designed to go in one way,
make sure cassette label is facing out.
Remove battery cover by gently pulling it
forward and up.
Insert two AA batteries (not provided).
Secure battery cover by sliding it back on
to the system.
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ONEYEAR LIMITED WARRANTY
This warranty applies to the Filter Housing. It does NOT apply to any disposable filter cartridge where
life expectancy varies with the water being filtered. This warranty covers defects in material and
workmanship only for 1 full year from the original date of delivery. Culligan will replace any part which
in Culligan’s opinion is defective, unless: (1) any part of the unit has been subjected to any type of
tampering, alteration, or improper use after delivery, or (2) it has been repaired by anyone not approved
by Culligan. Culligan is not responsible for damage in transit, and claims for such damage should be
presented to the carrier by the customer. This warranty does not cover any labor, transportation, or
shipping expenses incurred. The hiring of any individual or service to install or maintain this product is
done at the discretion and expense of the purchaser.
This product has been designed solely for use as a housing for a disposable filter cartridge. It is
NOT warranted against freezing or surges in water pressure, and neither this product nor its parts
is warranted against defects or deterioration caused by uses for which this product was not
expressly intended.
THE FOREGOING WARRANTY IS EXCLUSIVE AND IN LIEU OF ALL OTHER WARRANTIES, EXPRESSED
OR IMPLIED, WHETHER ORAL OR ARISING BY USAGE OF TRADE OR COURSE OF DEALING, INCLUDING,
WITHOUT LIMITATION, ANY WARRANTIES OF FITNESS OR MERCHANTABILITY. THIS WARRANTY IS THE
PURCHASER’S SOLE AND EXCLUSIVE REMEDY, IN NO EVENT SHALL CULLIGAN BE LIABLE FOR ANY
ANTICIPATED OR LOST PROFITS, INCIDENTAL DAMAGES, CONSEQUENTIAL DAMAGES, COSTS, TIME
CHARGES OR OTHER LOSSES, WHETHER BASED ON BREACH OF CONTRACT, TORTIOUS CONDUCT OR
ANY OTHER THEORY, INCURRED IN CONNECTION WITH THE PURCHASE, INSTALLATION, REPAIR OR
OPERATION OF THIS PRODUCT. CULLIGAN DOES NOT AUTHORIZE ANYONE TO ASSUME FOR IT ANY
LIABILITY OR TO MAKE ON ITS BEHALF ANY ADDITIONAL WARRANTIES IN CONNECTION WITH THE
FILTER HOUSING OR ANY PART THEREOF.
For servicing under this warranty, return any defective part to YOUR RETAILER within the 1 year period
referred to above. Be sure that you complete the online warranty registration within 30 days of purchase
and keep your original receipt, order form, or bill of sale to serve as a proof of purchase before returning.
INDICATOR GUIDE
• Indicates that the system is on and functioning by periodically flashing.
• Indicates that the batteries need to be replaced.
1. Remove battery cover by gently pulling it forward and up.
2. Replace two AA batteries (not provided).
3. Secure battery cover by sliding it back on to the system.
• Indicates that the system has detected a leak.
1. Immediately turn off water supply and refer to “Troubleshooting” section.
• Indicates that the cartridge is at the end of its expected life and should be replaced.
1. Refer to “Filter Cartridge Replacement” section.
TROUBLESHOOTING
LEAKS BETWEEN THE SYSTEM HEAD AND THE FILTER CASSETTE:
1. Turn off the water supply to the filter and dispense water from kitchen faucet until water and
airflow stops.
2. Remove cassette and inspect o-rings to make sure they are in place and clean.
3. Install cassette, turn on water supply and check for leaks.
LEAKS AROUND THE FITTINGS:
1. Turn off the water supply to the filter to relieve pressure.
2. While pulling the 3/8˝ plastic tubing with one hand, press in on the collar around the inlet and/or
outlet fitting. Check to make sure that the 3/8˝ plastic tubing is cut squarely and that it is not
scratched or crimped. If the 3/8˝ plastic tubing is unevenly cut or scratched, cut off 1/2˝ to 5/8˝
and re-install the tubing.
3. Turn on water supply and check for leaks.
LEAKS ON THE WATER SUPPLY ADAPTER CONNECTION:
1. Turn off the water supply to the filter to relieve pressure.
2. Locate the water supply adapter.
• If the 3/8˝ plastic tubing is leaking, follow the previous steps (“Leaks around the fittings”).
• If the thread between the water supply adapter and the cold water line is leaking,
tighten more securely.
3. Turn on water supply and check for leaks.
If leaks persist, or if there are other leaks on system, turn off water supply. Call technical support
at 1-800-721-7360.
PRODUCT REGISTRATION
Please be sure to go online within 30 days of purchase and register your product at
www.register.culligan.com.
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