Culligan US-3UF Installation And Operating Instructions Manual page 4

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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.
9
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.
8
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.
10
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.
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11
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.
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COLLAR
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.
12
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.
14
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.
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