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R. Filter Cartridge Replacement
NOTE: It is recommended that the filter be replaced every twelve months, or when
you notice a change in taste, odor, or flow of the water being filtered.
(1) Relieve pressure by turning off water supply to the filter and dispense water
from water dispenser or T-flush valve until water flow stops.
(2) Place towel under the system to catch any water drips.
(3) (a) Turn arrow from locked to unlocked position and (b) remove cartridge.
(4) (a) Line up arrow with unlocked position on head and insert cartridge. (b) Turn to
locked position.
(5) Turn on water and check for leaks. If it leaks, see Troubleshooting.
(6) Flush water through water dispenser or T-Flush valve for 5 minutes to remove
carbon fines. Check for leaks before leaving installation.
Performance Data
Model IC-750
Important Notice: Read this performance data and compare the capabilities of
this system with your actual water treatment needs. It is recommended that, before
installing a water treatment system, you have your water supply tested to
determine your actual water treatment needs.
This system has been tested according to NSF/ANSI 42 for the reduction of the substances listed below. The concentration of the indicated substances in
water entering the system was reduced to a concentration less than or equal to the permissible limit for water leaving the system, as specified in
NSF/ANSI 42.
Model 750R Cartridge
Influent
Challenge
Substance
Concentration
Standard 42 Aesthetic Effects
Chlorine
2.0 mg/L ± 10%
Flow Rate=0.75 gpm (2.8 Lpm)
Capacity=2500 gallons (9460 L) or 12 months
Testing was performed under standard laboratory conditions. Actual performance may vary.
This system has been tested according to NSF/ANSI 42 and 53 for the reduction of the substances listed below. The concentration of the indicated
substances in water entering the system was reduced to a concentration less than or equal to the permissible limit for water leaving the system, as
specified in NSF/ANSI 42 and 53.
1000R Cartridges
Substance
Influent Challenge
Max. Permissible Product
Concentration
Water Concentration
Standard 42 Aesthetic Effects
Chlorine
2.0 mg/L±10%
Particulates
at least 10,000
(0.5–<1m)
particles/mL
Class I
Standard 53 Health Effects
Cysts†
Minimum 50,000/L
Turbidity
11± 1 NTU
Lead (pH 6.5)
0.15 mg/L±10%
Lead (pH 8.5)
0.15 mg/L±10%
Atrazine
0.009 mg/L ± 10%
Lindane
0.002 mg/L ± 10%
Flow Rate=0.5 gpm (1.89 Lpm)
Capacity=500 gallons (1892 L) or 6 months
† Based on the use of microspheres or Cryptosporidium parvum oocysts.
Testing was performed under standard laboratory conditions, actual performance may vary.
Reduction
Requirements
Average
≥ 50%
87.8%
Reduction
Minimum
Requirements
Reduction Reduction
≥ 50%
≥ 85%
99.95%
99.99%
0.5 NTU
99.6%
0.010 mg/L
99.3%
0.010 mg/L
98%
0.003 mg/L
97.7%
0.0002 mg/L
97.5%
R3
b
a
Test Conditions:
Flow Rate
Inlet Pressure
pH
Temperature
Operating Requirements:
Pressure
Temperature
Turbidity
Do not use with water that is microbiologically unsafe or unknown quality without
adequate disinfection before or after the system.
Troubleshooting
Leaks:
...Between head and cartridge
(1) Turn off the water supply to the filter and dispense water from the refrigerator
door or T-Flush valve until water and airflow stops.
(2) Remove cartridge and inspect o-rings to make sure they are in place and clean.
(3) Install cartridge and turn on water supply, if it still leaks, contact Technical
Support at 1-800-645-5426. M-F 7:30 AM - 5 PM CST. Turn off icemaker if
filtered water goes to icemaker.
Average
...From fittings
99%
Relieve pressure by turning off water supply to the filter and dispense water
99.8%
through the refrigerator door or T-Flush valve until water and airflow stops. For
copper or plastic tubing, loosen the compression nut and pull the tubing from the
brass fitting. Inspect to see if the ferrule and insert (plastic only) are properly
installed on the tubing. If so, reconnect tubing finger-tight, then tighten nut snug
99.99%
about 1/2 to 1 turn with a wrench. Open the water supply valve. If the leaks persist,
99.7%
or if there are other leaks on the unit, turn off the water supply and icemaker, then
99.3%
call Technical Support at 1-800-645-5426. If the fitting does not leak, turn on the
98.6%
97.7%
icemaker.
97.5%
Maintenance
Contact your area retailer or local water treatment professional for replacement
cartridge pricing.
3
R4
a
= 0.75 gpm
= 60 psi (4.1 bar)
= 7.5 ± 1
= 68º F ± 5º F (20º C ± 2.5º C)
= 30-125 psi (2.1-8.62 bar)
= 40º-100º F (4.4º-37.7º C)
= 5 NTU Max
b
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