Installing or replacing the carbon element, Maintaining the system – A.J. Antunes & Co C-420 9700904 User Manual
Page 3

carbon filter complete (p/n 9700900 or p/n 9700904)
1-877-392-7854 Fax: 630-784-1000
Page 3 of 4
P/N 1010961 Rev. B 03/12
installing or replacing the carbon element
The Carbon Filter Kit contains the Carbon Element. Unwrap the
Carbon Element before installing into the Carbon Housing.
note: remove the plastic wrap from the carbon element
before use. make sure the end seal gaskets are in place on
both ends of the carbon element and not retained in the
packaging.
1. Unscrew the Carbon Housing counterclockwise to remove
the housing from the Carbon Element Head.
2. Inspect the O-ring on the Carbon Housing and replace if it
is cracked, twisted, or missing.
3. The O-ring is pre-lubricated at the factory, however it can
be lubricated with an approved food grade lubricant if
needed. Install the O-ring onto the Carbon Housing.
4. Place the Carbon Element into the Carbon Housing.
note: make sure the end seal gaskets are in place on
botH ends of the carbon element. the gasket is retained
on the end of the carbon element in the recessed groove.
be careful that the gasket does not fall off when placing the
carbon element into the carbon Housing.
5. Screw the Carbon Housing containing the new Carbon
Element into the Carbon Element Head. Tighten the hous-
ing until it stops. The housing will come to a hard stop at
the end of the thread. Use a Filter Wrench if necessary.
maintaining the system
rinSinG tHe carbon element
The newly installed Carbon Element must be rinsed before
returning the system to operation.
note: Direct the system outlet to a drain during this pro-
cess. Do not use the water resulting from rinsing process.
1. Direct water from the outlet to a drain.
2. Turn on the water to the system. Allow water to flow
through the Carbon Element and Carbon Housing to flush
out trapped air and any carbon fines that may be pres-
ent. To help remove trapped air from the housing, press
and hold the Red Pressure Relief Button on the top of the
housing until water just begins to come out the button.
Release the button. See Figures 2 and 3.
3. Allow the Carbon Element to rinse for at least 5 minutes.
note: Do not consume the water used for rinsing the
carbon element.
4. After 5 minutes of rinsing, shut off the water to the system
and redirect the water to service.
SanitizinG tHe SYStem anD lineS
Refer to the section on page 2 for information about sanitizing
the system and lines.
returninG SYStem to operation
After making the connection to the outlet of the system, open
a faucet or tap downstream to the Carbon Filter Kit . Allow the
pipe to flush to remove any debris.
The system is now ready for use.
O-Ring
Carbon
Housing
Carbon
Element
Kit
(single)
Carbon
Element
Head
Red Pressure
Relief Button
Gasket
(both sides)
figure 3. components
a. J. antuneS & co. www.ajantunes.com 180 Kehoe Blvd., Carol Stream, Illinois 60188