Watts Premier ZRO-4 Installation, Operation And Maintenance Manual - page 10
10
Remove the final filter from the two clips. Remove the white nuts from both ends of the filter.
Remove the connectors from both ends (keep and reuse). Discard the old final filter and
replace with new filter reusing the connectors .
Note: Flow arrow on final filter must be pointing in the direction of water flow to the RO faucet.
Step 11 Follow Start Up procedure on page 8.
You will need to flush a half a gallon of water
before using the RO water .
Step 1
Note:
Sanitizing of unit is recommended.
Perform steps 1 through 5 in the Six Month System Maintenance (Page 9).
Note:
If not sanitizing the system skip to step 8.
Step 3
Step 4
Step 5
Step 6
Remove the RO membrane from its housing and rest in a clean sanitary place. (Refer to
“Membrane Replacement” section on page 11 for directions on removing the membrane).
Replace cap onto empty membrane housing and re-connect green tubing.
Step 2
Leaving the filters out, replace stage 2 empty filter housing (hand tight) onto unit. Measure
& pour either 1/2 cup of hydrogen peroxide or common household bleach into the 1st filter
housing (Stage 1) and hand tighten onto unit.
Ball valve on RO tank should be open.
With the RO faucet in the closed position turn on the incoming water supply to the system
by turning the adapt-a-valve counter clockwise. Plug in the power transformer back into the
electrical outlet. Wait 1 minute for the unit to pressurize. Turn on the RO faucet and let the
water run for 30 seconds. Turn off the RO faucet and let the unit rest for 2 minutes. Finally,
open the RO faucet and let the water run for 5 more minutes.
Unplug the Power Transformer. Turn off the incoming water supply to the system by turning
the adapt-a-valve clockwise until it stops. Keep the RO faucet open until the storage tank
is completely drained.
Open the membrane housing and re-install the RO membrane while making sure not to kink
the O-rings.
(Refer to “Membrane Replacement” section on page 11 for directions on
installing the membrane).
Tighten the cap back on the housing and reconnect green tubing.
Step 7 Remove filter housings Stage 1 and 2 and empty of water.
Annual Maintenance - Filter Kit #560032
Before re-installing the filter bowls back on to the system , check O-rings to make sure
they are still in place and lubricate with water soluble lubricant.
Caution:
Insert the new sediment filter (cloth like appearance) into the 1
st
filter housing which is the one
on the water inlet side (green tubing from the adapt-a-valve) of the RO system and
re-install housing.
Step 8
Insert the new Carbon Block filter (White End Caps) into the 2nd housing and re-install
housing.
Step 9
Step 10
Tip:
This is a good time to check the air pressure in your storage tank. For instructions
please see page 12.
√ Stage 1 - Sediment Filter (part #: 104017)
√ Stage 2 - Carbon Block Filter (part #: 101009-White end caps)
√ Stage 4 - 10” Final Polishing filter (part # 560010)
√ 1/2 Cup of hydrogen peroxide or common household bleach - not included in filter kit.
Items needed: