Culligan IC-750 Installation And Operating Instructions Manual

Specifications

Pressure Range: 30–125 psi (2.1–8.62 bar)
Temperature Range: 40–100°F (4.4–37.8°C)
Rated Service Flow: 0.75 gpm (2.8 Lpm)
Filter Capacity: 2500 gallons (9460 L)
Turbidity: 5 NTU max

Parts Included:

• Filter head with built-in bracket and compression fittings

• 750R filter cartridge

• Screws for mounting bracket

Technical Support: 1-800-645-5426

(M-F 7:30 am - 5:00 pm CST)

To Drain
Provide an air gap between
end of tube and drain to
prevent contamination

To Water
Dispenser/Icemaker

T-Flush valve is required only when this
unit is used with an icemaker.

Filter Outlet

146481 Rev B 03/04

Easy-Change Water Dispenser/Icemaker Filter
Installation and Operating Instructions
Model IC-750

•Phillips screwdriver

• File (Copper tubing only)

•Pipe cutter or hacksaw (copper tubing only)

•Utility knife (for plastic tubing)

•Towel

•Pencil

•Tape Measure

Tools and Materials Required

•Shut off valve

• Saddle tap valve w/ shut off

•1/4" plastic or copper tubing, or flexible
hose

•Fittings

•T-Flush valve (Model FVK-100*)

Recommended when used with an icemaker
that is not in combination with a water
dispenser. This valve is installed after the
filter, so the filter can be flushed to remove
carbon fines or release pressure before
removing cartridge. See Diagram below.

*Not Performance Tested or Certified by NSF.

Optional Materials

Installation

• For standard installation on 1/4-inch copper, plastic or flexible hose cold water
line.

• Please read all instructions and precautions before installing and using your
IC-750 water dispenser Icemaker Filter

• Numbered diagrams correspond with numbered steps

• Instructions refer to standard installation on existing water line to refrigerator.
Before installation, make sure there is enough slack in existing water line to
allow refrigerator to be moved out from the wall.

Precautions

WARNING: Do not use with water that is microbiologically unsafe or of

unknown quality without adequate disinfection before or after the
system.

CAUTION: This filter must be protected from freezing, which can cause cracking

of the filter and water leakage.

CAUTION: 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. If the head of your
filter has been in use for longer than this period, it should be
replaced immediately. Date the top of any new head to indicate the
next recommended replacement date.

CAUTION: Turn off water supply to head without cartridge if it must be left

unattended for an extended period of time.

NOTE:

• For cold water use only.

• Make certain that installation complies with all state and local laws and
regulations.

• The contaminants or other substances removed or reduced by the selected
cartridge are not necessarily in your water. Ask your local water municipality
for a copy of their water analysis, or have your private well tested by a
reputable water testing lab.

• After prolonged periods of non-use (such as during a vacation) it is
recommended that the system be flushed thoroughly. Let water run for 2-3
minutes before using.

• The filter cartridge used with this system has a limited service life. Changes
in taste, odor, color and/or flow of the water being filtered indicate that the
cartridge should be replaced.

The IC-750 with 750R or 1000R replacement cartridge is Tested and Certified by
NSF International to NSF/ANSI Standard 42 for the aesthetic reduction of Taste
and Odor and Chlorine and Particulate Class I*, Standard 53 for the reduction of
Cysts*, Lead*, Lindane*, Atrazine*, and Turbidity*.

*Applies to 1000R replacement cartridge only.

1A

1B

COPPER TUBING Hand tighten, plus 1 to 1-1/2 turns with a wrench

PLASTIC TUBING Hand tighten, plus 1 to 1-1/2 turns with a wrench

FLEX TUBING Wrench tighten, do no over-tighten

3

Nut

Nut

Copper
Ferrule

Insert

Plastic
Ferrule

1/4” Compression Flexible/Braided Hose

2

Inlet

Outlet

To Refrigerator

Installation Continued

1. Mounting the Filter System

(A) Turn off the cold water supply to the refrigerator and dispense the water from the refrigerator

door until water flow stops to release the pressure in the pipes before starting installation.
Place a tray or towels under the cold water line to catch the excess water after the pipes are cut.

NOTE: Before starting installation, turn off the icemaker in the refrigerator and store the
ice cubes in a clean container in the freezer.

(B) Select location under sink, in basement or near refrigerator where filter is to be mounted.

NOTE: Filter should not be more than 3 feet from the appliance.
NOTE: Allow 1-1/2-inches (33 mm) clearance below housing or 11-inches below filter head

to enable filter cartridge changes.

CAUTION: Filter head should be mounted on stud or firm surface. The mounting bracket will

support the weight of the filter and help prevent strain on the cold water line.

WARNING: DO NOT screw mounting bracket directly onto the refrigerator.

(C) Filter head should be mounted in vertical position. Use mounting bracket as a template to

mark screw locations. Mount filter head in marked location using screws.

CAUTION: Water supply to the refrigerator should have a separate shut off valve installed before

filter. If it does not, a separate shutoff should be installed.

2. Cutting or Disconnecting the Tubing

Use a 7 to 8 foot coil (3 coils, approximately 10" diameter) of plastic, copper or flexible hose
between the outlet of the filter and the refrigerator.

Determine the length of plastic, copper or flexible hose needed to connect the inlet and outlet of filter.
Using a pipe cutter or hacksaw for copper tubing or utility knife for plastic; cleanly cut tubing or

disconnect flexible hose from refrigerator. Leave a minimum of 2-inches (51 mm) of pipe after
shut-off valve in case pipe must be re-cut at a later time. Deburr ends of remaining pipe with a file.

3. Connecting the Tubing and Fittings

(A) Connecting the Inlet.

Assemble fittings as shown. Press tubing into fitting until it stops. Hand tighten plus 1 to
1-1/2 turn(s) with a wrench.

(B) Connecting the Outlet.

NOTE: If the water cannot be flushed through an existing water dispenser, install T-Flush

valve first and then connect the outlet of the filter the same as step 3A. See Page 1 for a
T-Flush valve diagram.

Connect outlet of filter the same as step (3A)

4. Installing the Cartridge

(A) Hold cartridge from the bottom when installing or changing the cartridge. Use caution not to

scrape knuckles on bracket when locking the cartridge into place.

(B) Line up the arrow on the cartridge with unlocked padlock on head. Insert cartridge and turn

arrow to locked padlock. See Diagram R4 in Filter Cartridge Replacement on page 3.

5. Putting the Filter into Operation

(A) Turn on water supply to allow filter to fill with water. Check for leaks. If it leaks, see Troubleshooting.
(B) Flush filter for 5 minutes through the water dispenser or if appliance is equipped with only an

icemaker, through the T-Valve, and discard water.

(C) Turn on Icemaker.
(D) Check for leaks before leaving installation. If it leaks, see Troubleshooting.

NOTE: A drinking water cartridge may contain carbon fines (very fine black powder). If your

icemaker contains black carbon fines, discard ice.

(E) Installation is Complete.

2