Omnifilter US2000 User manual

©2012 Pentair Residential Filtration, LLC
QUICK-CHANGE SYSTEMS
Replacement Instruction Sheet for OMNI R1200/R1500/US1750, US2000 and RO4000
quick-change
UNDERSINK
carbon lter
cartridge
1/4 TURN
quick change
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QC
Replacement
Cartridge
1250R
Tested and Certified by NSF International against
NSF/ANSI Standards in the following models for the
reduction of the claims specified on the Performance
Data Sheet.
OMNIFILTER NSF/ANSI
System Standard
R1500 42
RO4000 42 & 58
OMNI FILTER
Delavan, WI 53115 800.937.6664
www.omnifilter.com
Made in China
WARNING: Do not use with water that is microbiologically unsafe
or of unknown quality without adequate disinfection before or after
the water filtration system. Systems certified for cysts reduction
may be used on disinfected waters that may contain filterable cysts.
specications
 Min./Max. Water Temperature. . . . . . . . . . .40˚-100˚F (4.4˚-37.8˚C)
 Min./Max. Water Pressure . . . . . . . . . . . . . 25-100 psi (1.7-6.8 bar)

Capacity. . . . . . . . . . . . . . . . . . . . . . . . . . . 2500 gallons (9463 liters)
ADVERTENCIA: No usar con agua que sea microbiológicamente
insegura o de calidad desconocida sin desinfectarla adecuadamente
antes o después del sistema de filtración de agua. Los sistemas
certificados para la reducción de quistes se pueden usar con agua
desinfectada que podría contener quistes que se puedan filtrar.
especicaciones
 Temperatura mín./máx. del agua. . . . . . . . .40˚-100˚F (4,4˚-37,8˚C)
 Presión mín./máx. del agua. . . . . . . . . . . . . 25-100 psi (1,7-6,8 bar)
 Capacidad . . . . . . . . . . . . . . . . . . . . . . . .2500 Galones (9463 litros)
SH247201 Rev A SE10
1
3
2
-Change
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er
QC
Replacement
Cartridge
1500R
Chlorine
Taste & Odor Sediment
reduces
quick-change
UNDERSINK
carbon lter
cartridge
1/4 TURN
quick change
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quick-change
UNDERSINK
carbon lter
cartridge
1/4 TURN
quick change
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QC
Replacement
Cartridge
OM4
Tested and Certified by NSF International against
NSF/ANSI Standards in the following models for the
reduction of the claims specified on the Performance
Data Sheet.
OMNIFILTER NSF/ANSI
System Standard
R1500 42
RO4000 42 & 58
OMNI FILTER
Delavan, WI 53115 800.937.6664
www.omnifilter.com
Made in China
WARNING: Do not use with water that is microbiologically unsafe
or of unknown quality without adequate disinfection before or after
the water filtration system. Systems certified for cysts reduction
may be used on disinfected waters that may contain filterable cysts.
specications
 Min./Max. Water Temperature.. . . . . . . . . .40˚-100˚F (4.4˚-37.8˚C)
 Min./Max. Water Pressure . . . . . . . . . . . . .25-100 psi (1.7-6.8 bar)
 Capacity. . . . . . . . . . . . . . . . . . . . . . . . . . . 2500 gallons (9463 liters)
ADVERTENCIA: No usar con agua que sea microbiológicamente
insegura o de calidad desconocida sin desinfectarla adecuadamente
antes o después del sistema de filtración de agua. Los sistemas
certificados para la reducción de quistes se pueden usar con agua
desinfectada que podría contener quistes que se puedan filtrar.
especicaciones
 Temperatura mín./máx. del agua. . . . . . . . .40˚-100˚F (4,4˚-37,8˚C)
 Presión mín./máx. del agua. . . . . . . . . . . . .25-100 psi (1,7-6,8 bar)

Capacidad . . . . . . . . . . . . . . . . . . . . . . . . 2500 Galones (9463 litros)
SH247201 Rev A SE10
.
quick-change
UNDERSIN
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WARNING: Do not use with water that is microbiologically unsafe
or of unknown quality without adequate disinfection before or after
the water filtration system. Systems certified for cysts reduction
may be used on disinfected waters that may contain filterable cysts.
specications
 Min./Max. Water Temperature. . . . . . . . . . .40˚-100˚F (4.4˚-37.8˚C)
 Min./Max. Water Pressure . . . . . . . . . . . . . 25-100 psi (1.7-6.8 bar)
 Capacity . . . . . . . . . . . . . . . . . . . . . . . . . . . 2500 gallons (9463 liters)
ADVERTENCIA: No usar con agua que sea microbiológicamente
insegura o de calidad desconocida sin desinfectarla adecuadamente
antes o después del sistema de filtración de agua. Los sistemas
certificados para la reducción de quistes se pueden usar con agua
desinfectada que podría contener quistes que se puedan filtrar.
QC
Replacement
Cartridge
1500R
Chlorine
Taste & Odor Sediment
reduces
quick-change
UNDERSINK
carbon lter
cartridge
1/4 TURN
quick change
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QC
Replacement
Cartridge
1750R
Chlorine
Taste & Odor Sediment
reduces
quick-change
UNDERSINK
carbon lter
cartridge
1/4 TURN
quick change
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QC
Replacement
Cartridge
1250R
Chlorine
Taste & Odor Sedim ent
reduces
quick-change
UNDERSINK
carbon lter
cartridge
1/4 TURN
quick change
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QC
Replacement
Cartridge
1500R
Chlorine
Taste & Odor Sediment
reduces
quick-change
UNDERSINK
carbon lter
cartridge
1/4 TURN
quick change
G
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QC
Replacement
Cartridge
OM4
Chlorine
Taste & Odor Sediment
reduces
quick-change
UNDERSINK
reverse osmosis
cartridge
1/4 TURN
quick change
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QC
Replacement
Cartridge
1250R
Chlorine
Taste & Odor Sediment
reduces
quick-change
UNDERSINK
carbon lter
cartridge
1/4 TURN
quick change
G
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US2000R1200R1500/US1750 RO4000
1500R 1750R
1750R 1250R
1500R OM4
1250R

©2012 OMNIFILTER • Printed in U.S.A. 247159 AP12 Rev B
WHEN TO CHANGE THE CARTRIDGES
The life of the cartridge depends on the water volume used and the
substances in the water. Normally, cartridges should be changed
at intervals of 6 months. Replace the cartridge sooner if the water
pressure at the faucet begins to drop noticeably or if you notice
changes in the taste, color, or ow of the ltered water.
CHANGING THE CARTRIDGES
Materials Needed
•Replacement Cartridges:
R1200/R1500 US1750 US2000 RO4000
First
cartridge 1500R 1750R 1750R 1500R
Second
Cartridge None None 1250R OM4
Third
Cartridge None None None 1250R
The pre-lter and post-lter cartridges need to be changed when the
water pressure at the faucet begins to drop noticeably, or if there are
changes in taste, color or ow of the ltered water. All cartridges
should be changed at the same time.
1. Changing the Cartridges
NOTE: Only the replacement cartridges listed can be used with the
systems. Failure to use recommended replacement cartridges will
void your warranty.
A) Place a small pan or towel under the system to catch any water
that may drip.
B) Twist the pre-lter cartridge (on the left side of the lter housing)
counter-clockwise for a 1/4 of a turn, and pull the cartridge out of
the system.
C) Push the new cartridge into the head until it can go no further.
D) Twist the cartridge 1/4 turn clockwise until it stops rotating. The
cartridge is properly installed when the cartridge label is facing to
the front.
E) Gently pull the cartridge straight out to ensure the cartridge is
locked into place.
F) Repeat for all other cartridges.
G) Turn on water and check for leaks. If leaks are found, see
Troubleshooting in the RO4000 Installation Instruction Manual.
NOTE: The post lter cartridge may contain carbon nes (very ne
black powder). This will be released during your initial ushing.
H) Flush water through lter for 10 minutes to remove carbon nes.
Check for leaks again before leaving installation.
I) Allow the tank to ll.
2. Flushing the Reverse Osmosis Filter
NOTE: The RO4000 system does not produce a high volume of
water on demand as an ordinary lter does. Water is produced at
a slow, drop-by-drop rate. The system requires about 3 hours to
ll the storage tank. As water is taken from the tank, the system
automatically starts the cycle of replacing the water and then stops
water production when the tank is full.
A) Make sure system faucet is off.
B) Make sure tank valve is in the open position.
C) Slowly turn on cold water supply.
D) Open the faucet to turn on ow. Let the faucet run/drip for 12
hours then close it.
E) Allow 3 hours for the tank to ll. Continue to periodically check
the installation for leaks. After the storage tank is lled, open the
faucet to ush the post-lter cartridge (on the right side of the
lter housing). Allow 4 to 5 minutes for all of the water to drain
from the tank. Close faucet and allow tank to ll.
CAUTION Visually check the entire system for leaks. If a leak is
present, see Troubleshooting in the product manual.
F) Repeat step E four times.