Page 11
6 Month System Maintenance
Step 1
Step 3
Let system sit for one minute after the tank is empty to let the system depressurize before
attempting to remove filter housings.
Items needed:
√
Stage 1 - Sediment Filter
√
Stage 2 & 3 - Carbon Block Filter -
Stage 3 Only on the GTS550S
Turn off the incoming water supply to the RO by turning the needle valve on the adapt-a-valve
clockwise until it stops.
Open the RO Faucet and allow water to drain from the tank until it is completely empty.
Step 2
Note:
Water may be saved in a container for drinking or to rinse system parts.
For more leverage you may leave the RO module attached to wall of cabinet. If you are unable
to access the module while it is mounted, remove it prior to changing filters. Starting with the
closest housing (Stage 1), remove it by turning it clockwise (left), empty water, then discard
filter. Continue on to the 2
nd
housing (Stage 2) and 3
rd
housing (Stage 3).
Step 4
Clean the filter housings (bowls) with a mild soap solution and rinse with water. Check O-rings
and lubricate with water soluble lubricant.
KY Jelly
®
or other water based lubricants may be
used. Petroleum based lubricants (such as Vaseline
®
)
must not be used
.
Step 5
Before re-installing the filter bowls back on to the system, check O-rings to make sure they
are still in place. *
Caution:
Note:
If you own a four stage system it will not have the third stage.
A four stage system has two vertical housings instead of three.
Insert a new sediment filter (cloth like appearance) into the 1st 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 6
Insert the new Carbon Block filter (White end caps & plastic netting) into the second and
third filter bowls and re-install housings.
Step 7
Step 8
Turn water supply on to the unit by turning the needle valve on the
adapt-a-valve counter clock wise.
Open the RO faucet and leave it open until water begins to trickle out
(it will come out slowly).
Step 10
Step 9
Close the RO faucet allowing the storage tank to fill with water.
It
may take 4 to 6 hours to fill the tank completely depending on the
production capability of the membrane, local water temperature and
water pressure.
*
