A.J. Antunes & Co VZN-441HC 9700772 - Manual (Page 16)

VZN SERIES
16 P/N 1011114 Rev. H 12/13
Rinsing and Replacing the Carbon Element
NOTE: Remove the TAC Cartridge Element, if present,
and re-attach the TAC Housing before proceeding.
1. Turn off the water to the system by closing the Inlet Ball
Valve and Outlet Ball Valve.
2. Open the Rinse Ball Valve and allow the system to
drain to ensure the permeate tank is empty.
3. Press and hold the RED Pressure Relief Button on the
top of each of the Carbon Element Housing to lower the
water level inside the housings by 2 to 3 inches.
4. Remove the Carbon Element Housing (Figure 9).
5. Empty any water into a drain and discard the old
Carbon Element.
6. Inspect the O-ring on the Carbon Element Housing
(Figure 9). Replace the O-ring if it is cracked, twisted,
or missing.
7. Lubricate the O-ring with an approved food grade
lubricant and install into the Carbon Element Housing.
8. Install the new Carbon Elements into the Carbon
Element Housing.
NOTE: Make sure the Gasket remains in place in the
recessed grooves on both ends of the Carbon Element.
9. Screw the Carbon Element Housing (containing the
Carbon Element) into place on the Carbon Element
Head. The Housing will come to a hard stop at the end
of the thread. Use a Filter Wrench if necessary.
NOTE: Do NOT overtighten the Carbon Element Housing.
10. Direct water from the Rinse Ball Valve to a drain.
NOTE: Direct the Rinse Ball Valve to a drain. Do NOT use
the water resulting from the flush procedure.
11. Open the Rinse Ball Valve. Turn on the water to the
system by slowly opening the Inlet Ball Valve. Allow
water to flow through the Carbon Element and Housing.
This clears out trapped air and any carbon fines.
12. To help remove trapped air from the Carbon Element
Housing, press the RED Pressure Relief button on the
top of the Housing until water just begins to come out.
13. Rinse the Carbon Element for at least 5 minutes.
NOTE: Do NOT consume the water used for rinsing the
Carbon Element.
14. Re-install the TAC Cartridge Element into the TAC
Housing with the arrow on the cartridge pointing up.
Reattach the TAC Housing to the system.
15. When the rinsing is complete, close the Rinse Ball
Valve and open the Outlet Ball Valve.
16. The system is now ready for use.
O-Ring
Carbon
Element
Housing
Carbon
Element
Carbon
Element
Head
RED Pressure
Relief Button
Gasket
MAINTENANCE (continued)
Figure 9. Carbon Element
System Sanitization
The system and downstream plumbing should be sanitized
every six months. When necessary, follow the procedure in
Sanitizing the System and Lines in the Installation section
of this manual.