Culligan Iron-Cleer Plus User Manual
Culligan®
Iron-Cleer® Plus
Automatic
Water Filter
Owners Guide
Thank You
And Welcome To Your New World Of Better Living With
Culligan Water.
This system and its installation must comply with state and local regulations.
The System is ONLY to be supplied with cold water.
The Culligan® Iron Cleer® water filter has been tested and certified by WQA
against WQA S-200 for the effective reduction of iron up to 1,400 gallons for
10” units and 2,000 gallons for 12” units.
Do not use with water that is microbiologically unsafe or of unknown quality without adequate
disinfection before or after the system.
For installations in Massachusetts, the Massachusetts Plumbing Code 248 CMR shall
be adhered to. Consult your licensed plumber for installation of the system. This
system and its installation must comply with state and local regulations. The use of
saddle valves is not permitted.
If this is your first experience having filtered, conditioned water in your home, you’ll be amazed at the
marvelous difference it makes. We promise that you’ll never want to be without it again.
Congratulations, too, on selecting one of the “first family” of water filters in the prestigious Culligan
Iron-Cleer. With Culligan’s many years of knowledge and experience in water treatment, you can be
confident that the model you selected has been designed and engineered to provide years of service
with a minimum of care and attention.
Products manufactured and marketed by Culligan International Company (Culligan) and its affiliates
are protected by patents issued or pending in the United States and other countries. Culligan reserves
the right to change the specifications referred to in this literature at any time, without prior notice.
Culligan, Culligan Iron-Cleer, Cullar, Filtr-Cleer, Cullneu, Accusoft, Culligan Man and www.culligan.
com are trademarks of Culligan International Company or its affiliates.
Attention Culligan Customer:
The installation, service and maintenance of this equipment should be rendered by a qualified and
trained service technician. Your local independently operated Culligan dealer employs trained service
and maintenance personnel who are experienced in the installation, function and repair of Culligan
equipment. This publication is written specifically for these individuals and is intended for their use.
We encourage Culligan users to learn about Culligan products, but we believe that product
knowledge is best obtained by consulting with your Culligan dealer. Untrained individuals who use
this manual assume the risk of any resulting property damage or personal injury.
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Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Operating Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Familiarization. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Programming. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Statistic Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
When and How to Bypass your Water Filter . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Things to Check Before You Call for Service . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Preventative Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Troubleshooting Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Performance Data Sheet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Records and Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Table of
Contents
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10” Iron Cleer 12” Iron Cleer
Control Valve
1” 5-cycle reinforced
thermoplastic
1” 5-cycle reinforced
thermoplastic
Timer Electro-mechanical Electro-mechanical
Overall Conditioner Height 67” 65”
Media Tank Dimensions (D x H) 2 ea. 10” x 54” tanks 2 ea. 12” x 52” tanks
Filter Media Type 1.0 cu. ft. birm 1.5 cu. ft. birm
Underbedding
G-50 35 lbs. 35 lbs.
Cullsan U 25 lbs. 25 lbs.
Capacity
Freeboard
1
2
1400 gallons 2000 gallons
21” 18”
Max. Clear Water (Soluble) Iron 10 ppm 10 ppm
Max. Hydrogen Sulfide 5.0 ppm 5.0 ppm
Minimum Alkalinity 100 ppm 100 ppm
pH 7.0 - 8.5 7.0 - 8.5
Service Flow @ Pressure Drop (Clean Bed)
Normal 5 gpm @ 9 psi 7 gpm @ 10 psi
Maximum
3
6 gpm @ 11 psi 9 gpm @ 14 psi
Operating Pressure 20-60 psi 20-60 psi
Operating Temperature 33-120° F (1-48° C) 33-120° F (1-48° C)
Electrical Requirements 120 Volts/60 Hz 120 Volts/60 Hz
Power Consumption, Continuous/
Maximum
3 watts/203 watts 3 watts/203 watts
Drain Flow, Maximum 10 gpm (5.5 gpm min. req.) 10 gpm (8.0 gpm min. req.)
Regeneration Time
Backwash 5 - 20 minutes 5 - 20 minutes
Fast Rinse 5 - 20 minutes 5 - 20 minutes
SpecificationsCulligan® Iron Cleer® Plus Filters
1 Capacity based on 4 gpm and 10 mg/L of dissolved iron.
2 Measured from top of media bed to top of inlet fitting.
3 Max flow rates & pressure drop characteristics have not been validated by the Water Quality
Association.
The max specified flow rate at which the system will deliver treated water as validated by the Water
Quality Association is defined as service flow.
1
Introduction
Operation
Step 1.
Aeration Operation Service Cycle
In the service cycle, raw water enters the inlet port of the aeration tank and is directed through the
inlet diffuser. The oxidation process begins when the water passes through the inlet diffuser and
cascades through a head of air. This air/ water contact oxidizes the iron, manganese, hydrogen
sulfide in the water. The water is directed toward the bottom of the tank and travels through the pickup tube. It then passes through the outlet of the aeration tank to the inlet of the filter tank.
Filter Tank Operation Service Cycle
Raw water enters the filter tank through the inlet port of the filter control valve. Upon system demand
for filtered water, water is directed to the top of the tank and flows downward through the multimedia
filter bed toward the lower distributor. Oxidized iron particles are trapped by the filter bed as the
water passes through. Filtered water enters the lower distributor and travels up the distributor tube to
the outlet port on the filter valve.
Step 2.
Aeration Operation Air Recharge Cycle
When energized, the air pump sends air through the solenoid valve into one end of the shuttle valve.
Once air pressure in the shuttle valve is greater than the water supply pressure at the other end of the
shuttle valve, the piston shifts to the open position. In the open position, the bleed-off port discharges
excess water and old air to the drain port through a flow restrictor. Simultaneously, the air inlet port
opens to provide a direct connection between the air pump and the top of the aeration tank. The air
pump runs for a preset period of time recharging the head of air in the aeration tank.
Air Recharge Shut Off
The timer turns power off to the air pump and the solenoid valve at the end of the recharge cycle.
The solenoid valve then closes the port between the air pump and the shuttle valve. The port between
the shuttle valve and the atmosphere opens and releases air pressure. This allows water pressure to
shift the piston to the closed position. With the piston in the closed position, the air recharge inlet
port is closed and direct communication between the bleed off tube and the drain port is also closed.
Timer Operation
A timer controls the air recharge cycle and how frequently it occurs. The timer simultaneously
energizes the air pump and the solenoid valve. After a preset amount of time, the timer shuts off the
air pump and de-energizes the solenoid valve.
Solenoid Valve Operation
The solenoid valve is a three-way valve having ports that connect to the air pump, shuttle valve and
the atmosphere. In the service cycle, the solenoid valve is de-energized and closes the port to the
air pump, providing a positive shut-off to the pump. This prevents water from backing up into the air
pump and damaging the pump. In the air recharge cycle, the solenoid valve closes the port to the
atmosphere and opens the port from the air pump.
2
Shuttle Valve Operation
In the service position, water pressure holds the shuttle valve piston in the closed position, trapping
the airhead in the aeration tank and closes the air recharge inlet port and drain port. During air
recharge cycle, air pressure is greater than the water pressure and forces the shuttle valve piston
in the open piston. The shuttle valve has an internal pressure relief valve that will relieve pressure
(greater than 100 psi) that may build up in the aeration tank. This precautionary function protects
components from failure due to excessive pressure.
Step 3.
Filter Tank Operation - Backwash Cycle
Reversing the flow of water through the filter bed and backwashing dirty water to the drain cleans
the filter bed. Raw water enters the filter control valve through the inlet port and is directed down the
distributor tube and out the lower distributor at the bottom of the tank, flowing upward through the
multimedia filter bed toward the top of the tank into the control valve. Water is then directed through
a specific flow restrictor and out the drain port to be discharged to drain.
Step 4.
Filter Tank Operation - Rinse Cycle
The rinse cycle packs the clean filter bed. Raw water enters the control valve through the inlet port
and is directed downward through the filter bed into the bottom distributor, up the distributor tube
into the control valve. Water is then directed through a specific flow restrictor and out the drain port
to be discharged to drain.
Introduction
(cont.)
Operation Of Aeration Pump
The Iron-Cleer® system introduces air into the aeration tank and bleeds off the old head of air
automatically. The exchange of the air into the aeration tank is controlled independently of the
recharge frequency of the filter media tank, allowing the air to be exchanged on a more frequent
basis. During an air exchange cycle, the air compressor pumps fresh air into the aeration tank and
the air eliminator solenoid exhausts the old air.
Advantages Over Other Systems
1. No chemicals or salt.
2. No air injectors, venturis, or micronizers.
3. No floats to regulate air volume in aeration tank which “foul” from iron.
4. Two-tank system consisting of a pressurized aeration tank and multi-media depth filter.
5. 110V aeration pump to recharge aeration tank.
6. Can be used on shared wells, municipal water supplies or with buried pressure tanks without
additional equipment.
7. Better filtration results.
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Softened &
Filtered Water
Filtered Non-Softened Water
Water
Softener
Iron-Cleer
Filter Tank
Unfiltered Water To Outside Hosebibs
Iron-Cleer
Aeration
Tank
Raw Water In
Iron-Cleer
Operating
Conditions
The concentration limits listed below reflect the maximum individual limit that each contaminant was
tested for separately without any interference of other contaminants in the influent water.
In reality, however, we know that these contaminants may be present in combination which may limit
the filter’s ability to remove these contaminants in higher concentrations. In some cases, individual
sellers of this equipment have had success removing higher concentrations of contaminants - iron, for
example - above the limitations we have listed. If you are considering the installation of this system
for the reduction/removal of iron, manganese and/or hydrogen sulfide beyond the printed operating
conditions below, we recommend that you consult the manufacturer for proper application. Installation
of this system under these circumstances may void part(s) and/or all of the system warranty.
pH — The pH level of the influent water must be 6.5 - 8.5. A pH level of 7.0 - 8.5 is optimal for iron
reduction and a pH level of 6.5 - 7.5 is optimal for hydrogen sulfide reduction.
Iron — This system is rated for a maximum of 10 ppm of ferrous (clear water) and/or ferric (red
water) iron. Consult the factory if iron bacteria is present.
Hydrogen Sulfide — Often referred to as rotten egg odor, hydrogen sulfide will be reduced
significantly on water supplies containing less than 5 ppm. Consult the manufacturer if hydrogen
sulfide concentrations is greater than 5 ppm.
Organic Matter (Tannins) — The presence of organic matter such as tannins will prevent the
oxidation process of converting the dissolved element, such as iron or manganese, to a non-soluble
precipitate or solid substance, allowing it to be filtered out. The Iron-Cleer® is not designed to remove
organic bound iron.
4
Note: Waste connections or drain outlets shall be designed and constructed to provide for
connection to the sanitary waste system through an air gap of 2 pipe diameters or 25.4 mm
(1 in.) whichever is larger.
Figure 1
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