Additional Instructions
for “XP” Installation
“XP” SYSTEM COMPONENT
CHECKLIST:
1) RO system
2) Atmospheric Tank
3) Re-pressurization System
4) Suction Tube Assembly
5) Liquid Level Control (Float Switch)
1.
Storage Tank Preparation:
Plumb the RO permeate line to the
storage tank. A white nylon compression
fitting is supplied with the permeate line.
Fasten this fitting to the storage tank in
the hole in top of the tank by:
(a) Removing the compression fitting
and hex nut from one side,
(b) Sliding the threads through the hole
in the tank, and
(c) Reattaching and tightening the hex
nut from inside the tank.
Attach the permeate line to the
compression fitting on the RO machine.
Attach the other end of the permeate line
to the newly installed compression fitting
on the storage tank.
2. Connect the atmospheric
storage tank to the re-pressurization
system:
Use the suction tube assembly supplied.
Some connections on the suction tube
assembly are not glued to facilitate
assembly. Remove the male adaptor that
is near the ball valve on the suction tube
assembly. Thread the male adaptor into
the bulkhead fitting at the bottom of the
storage tank. Use Teflon tape to prevent
leaking.
Plumb from the storage tank suction
tube to the inlet (nose cone) on the re-
pressurization
pump. Make sure that the
check valve is pointing in the direction of
the water flow.
3.
Connect the line from the re-
pressurization system to the point of
use:
This will be from the cross fitting on the
bottom of the pressure tank piping.
4a. Level Control (Solo Float,
standard):
The cord from the solo float must be
secured inside the storage tank at a
pivot point between the desired high and
low level. Adjust the differential between
high or low level by changing the length
of the cord between the pivot and float.
Adjust the high and low levels by moving
the pivot point up or down.
4b. Level Control (Ball and Rod,
optional on XP system):
Mount the level control onto the storage
tank through diagonal holes using the
attached stainless steel fasteners.
Remove the setscrew from the brass
collar on the float switch shaft. Make a
single vertical slit in the 1” diameter float
arm screen. From the inside of the tank,
slip the float arm through the slit then
attach the float arm to the brass collar.
Slide the brass collar onto the shaft of
the float switch and tighten securely
using the float rod as the setscrew.
EPRO 150-8000 O&M MANUAL Rev.04/03 Page 18 of 55
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