Whole House KDF/GAC User manual

PureEarth Technologies, Inc.
352 Friendship Court Marietta, GA 30064
[phone] [e-mail]
After hours (M-F 9-5 ET) technical support: 678-756-5383
1
WH-EXL WHOLE HOUSE FILTER –KDF/GAC
ASSEMBLY INSTRUCTIONS
We think installing our filter is very easy (if you are somewhat mechanically inclined and have a little experience
doing basic plumbing).
Note: If you have an electric water heater we recommend that you turn off the electricity to the heater while
installing filter. Once you are satisfied with the installation, turn on a few hot and cold water faucets, and let them
run. Once you are certain that there is no more air in your pipes, then turn the electricity back on to the water
heater.
Your kit should include:
Tall fiberglass mineral tank with distributor tube
Box of granulated activated carbon (coconut shell for the standard unit, catalytic carbon for the WH-EXL–
CC model)
Box of Zeolite media (this is an optional add-on that only comes with the WH-EXL-CC-Z model)
Large funnel for pouring media into tank
KDF Media-Guard cartridge (there may be some loose KDF fines in the package –this is normal due to a
minute amount of media being slightly less than standard mesh size)
Autotrol 263/740 Logix control valve
Autotrol by-pass valve assembly
Tailpieces for valve –either copper or CPVC as specified
Autotrol Manual, Installer Quick-Start Guide, Home-owner Guide
Sediment Post Filter with 1 micron pleated cartridge (installs AFTER the unit to polish water)
Step 1:
Location of your filter is important. It should be in a non-freezing area (34-120 degrees F). It may be installed
outdoors in certain conditions –see the Logix manual for more details.
Step 2:
You will need a standard outlet that is not controlled by a switch, which can be 50 feet from your filter.
Step 3:
You will need a drain for the backwashing cycles. This should be no longer than 20 feet from the filter. You will
need to purchase this flexible 1/2 i.d. / 5/8” o.d. polyethylene plastic pipe (see step 6). This backwashing drain line
will be under pressure when the backwash cycle is working. Make sure the drain line is secured. The drain line will
need to drain into a drain, which should be a minimum of 1 1/2” size, and ideally be below the top of the filter valve.
Local codes should be adhered to. Note: Never connect the drain line directly into a drain. Allow an airgap
between the drainline and waste line to prevent possibility of back- siphonage.
Step 4:
Once you have determined the exact location of your filter, it is time to fill the media/mineral tank with the furnished
media.
The distributor tube is mounted in the center of the tank and the open end should be sticking 1 1/4" out of the
mineral tank.
There should be a plug in the open end of the distributor tube. This is to keep any media from falling into the
distributor tube while pouring the media into the mineral tank.
Place the funnel (provided) into the mineral tank. If your unit comes with Zeolite, pour the contents into the tank.
Scoop the GAC media into the mineral tank. Be careful to keep the distributor tube centered as best you can,
while filling. There should only be enough media to fill the tank about 1/3 to 1/2 full. It is necessary for the media to
have room to move during the backwash cycle.
Once the filling of the mineral tank is completed, carefully remove the plug from the distributor tube.

PureEarth Technologies, Inc.
352 Friendship Court Marietta, GA 30064
[phone] [e-mail]
After hours (M-F 9-5 ET) technical support: 678-756-5383
2
Step 5:
Attach the KDF MediaGuard cartridge to the control valve –align the slots and turn
until it locks in place. Lubricate the “O”-ring at the bottom of the MediaGuard. (It also
aids in installation to lubricate the rise pipe 2/3” of the way down.)
Step 6:
The control valve (head) now must be installed onto the mineral tank. Be sure the
large O-ring is in place, and lubricate it with some of the grease provided in the by-
pass valve kit box, if needed. ALSO BE SURE THAT THE TANK RING IS TWIST-
LOCKED INTO PLACE –IT KEEPS THE O-RING IN POSITION. Slip the control
unit and KDF Media-Guard canister onto the distributor tube. Then carefully screw
the valve onto the tank - NO pipe dope should be used on the threads. The control
valve should be hand tightened, snugly, clockwise.
Step 7:
You are now ready to install the bypass valve to the control valve. Follow the
instructions in the box. The in and out arrows on the bypass valve should be pointing
the same direction as the in/out arrows on the outside of the control valve. The
arrows are molded into the plastic on both the bypass valve and the control valve.
Step 8:
Water connections to and from filter will now be connected to the bypass 1 1/4"IPS male threads by using the two
1 1/4" Female nuts provided. Slip one 1 1/4" female nut over one of the flanged tailpieces, so that the tube is
sticking through the nut and the flanged piece is resting on the inside of the female threaded part of the nut. Use
one 1 3/4" o.d. rubber washer to fit into the female part of the nut on top of the flanged tailpiece and screw the nut
onto the 1 1/4" IPS male threads on the control valve. Do the same for the other side. Now connect your water
source to the tailpieces. Important: Be sure you double-check the inlet and outlet arrows on your filter
before soldering! Caution: A common problem for when soldering onto the copper tailpieces is overheating them,
melting the plastic nuts that connect to the bypass valve. We recommend that you wrap a wet rag around the nuts
and tailpieces to keep the heat away. Screw on the barbed elbow onto the threaded fitting between the inlet and
outlet on the valve –this is for the drain line. If a sediment filter is being installed, position it AFTER the main unit
as a polishing filter.
IMPORTANT STEPS BEFORE TURNING ON WATER:
Follow the instructions in the Autotrol manual for putting the filter into service
You will be programming the Logix 740 computer as a filter by selecting “F” upon the initial start-up (see Logix
Series Manual Installer Quick-Start, page 3). For most applications, every 7 days backwash is fine, though areas
with high sediment levels or phosphates should set more frequently, perhaps 4 days. The default backwash time is
15 minutes –decrease that to 10 minutes. In areas where there are water shortages, you can shorten the
backwash cycle to 7 minutes. Keep in mind, however, that the media may not last as long.
Now follow the instructions in the Autotrol manual for putting the filter into service (page 34). Skip the steps that
have “(conditioner only)” as these pertain to a 5-cycle water softener with a brine tank.
Notes: Water will be discolored with black carbon fines initially –this is normal. Your water also may have minute
bubbles for the first couple of days –this is normal and will clear. If using copper pipe, we recommend using type L
copper. Type L is thicker than type M copper.
For the first few days, when you draw a glass of water, it may appear initially cloudy and then clear. This is simply
trapped air being purged from the carbon –it will clear up after use. Remember to check with local code officials
and install per local code.
Warranty: GE/Autotrol Control Valve –Five Years / Enpress Vortech Mineral Tank –Ten Years