© 2014 New Aqua LLC dba Aqua Systems • 7785 East US Hwy 36 • Avon, IN 46123
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Eradicator II AIF Systems
Installation, Operation,and
Maintenance Manual
Water Meter or Meter Plug
The water meter assembly is connected to the PC board by a wire. If the entire water meter assembly is to be replaced,
remove the control valve cover and remove the power source and water meter plugs from the PC board. Unlatch the
drive assembly and lean it forward. Unthread the water meter wire from the side of the drive assembly and through the
drive back plate. To reinstall, rethread the water meter wire through the drive back plate and the side of the drive assem
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bly. Reattach the drive assembly and the water meter and power plugs.
If no water meter wire is visible, then a plug is installed not a water meter.
The water meter wire does not need to be removed from the PC board if the water meter is only being inspected and
cleaned. To remove the water meter assembly, unscrew the meter cap on the left side of the control valve. Pliers may
be used to unscrew the nut if necessary.
With the nut removed, a slot at the top of the water meter is visible. Twist a flat blade screwdriver in the slot between the
control valve body and the meter. When the meter is part way out it is easy to remove the water meter from the housing.
Once the water meter is removed from the control valve body, use your fingers to gently pull forward on the turbine to
remove it from the shaft.
Do not use a wire brush to clean. Wipe with a clean cloth or chemically clean in dilute sodium bisulfite or vinegar. The
turbine can be immersed in the chemical. Do not immerse electronics. If the turbine is scored or damaged or the bear
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ings on the turbine are worn replace the turbine.
Do not lubricate the turbine shaft. The turbine shaft bearings are prelubricated. Do not use Vaseline, oils, or other unac
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ceptable lubricants on the o-ring. A silicon lubricant may be used on the black o-ring.
Snap the turbine on the shaft and reinsert the water meter into the side slot. Hand tighten the nut. Do not use a pipe
wrench to tighten nut.
Service Guide
Bypass Valve
The working parts of the bypass valve are the rotor assemblies that are contained under the bypass valve caps. Before
working on the rotors, make sure the system is depressurized. Turn the gray arrow shaped handles towards the center
of the bypass valve and back to the arrow direction several times to ensure rotor is turning freely.
The nuts and caps are designed to be unscrewed or tightened by hand. If necessary a pliers can be used to unscrew the
nut or cap. Do not use a pipe wrench to tighten or loosen nuts or caps. Do not place screwdriver in slots on caps and/or
tap with a hammer.
To access the rotor, unscrew the cap and lift the cap, rotor and handle out as one unit. Twisting the unit as you pull it out
will help to remove it more easily. There are three o-rings: one under the rotor cap, one on the rotor stem and the rotor
seal. Replace worn o-rings. Clean rotor. Reinstall rotor.
Summary of Contents for Eradicator II AIF
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