Incorrect rotation will damage the
pump and void the warranty.
14.
EPRO systems are typically
controlled with a liquid level
switch in a storage tank. The
liquid level switch turns the EPRO
system on when the water level in
the tank drops, and off when the
tank is full. If your RO system is
equipped with an electrical
control box, the level control is
connected to the level control
connections in the control box
(see electrical diagrams
provided). If your RO system is
not equipped with a control box,
plug the level control into your
power outlet, then plug the RO
power cord into the level control
.
DO NOT
exceed the level control’s
power rating.
Liquid level switches can be obtained
from Crane Environmental or a
plumbing supplier. A liquid level
switch is standard with the "XP"
system.
If a liquid level switch is to be used,
install it at this time and turn the
power to the EPRO system on.
Otherwise, turn the system on by
plugging in the power cord. Allow
the system to run for about three to
five minutes with the concentrate
control valve fully open to purge air
from the system.
15.
IMPORTANT:
The EPRO machine
contains a preservative solution
that can be harmful if digested.
Discard the product and
concentrate water from the first
one (1) hour of operation.
Turn the
concentrate control valve until the
concentrate pressure gauge
indicates a pressure of 50 psi.
Flush the machine at 50 psi for
one (1) hour to remove the
preservative from the system.
Check for leaks. All Crane
Environmental reverse osmosis
systems are fully tested prior to
shipment, but leaks may occur
due to shipping.
16.
AFTER
the preservative solution
has been flushed out of the
system, connect the permeate line
to the point-of-use. Make sure no
backpressure exists on the
permeate line.
17.
Locate the concentrate control
valve (Pointer 5 on Fig. 3 and 4)
and the concentrate pressure
gauge (Pointer 6 on Fig. 3 and 4).
18. Turn the concentrate control valve
until the designated permeate flow
is acquired. For example an
EPRO-150 should be adjusted until
it produces about 150 GPD or 0.10
GPM of permeate flow. The
concentrate pressure will increase
as the concentrate control valve is
closed. The exact operating
pressure may vary depending on
the temperature and TDS of your
feed water. It may be necessary to
re-adjust the system if there is a
major change in feed water
temperature and/or TDS.
EPRO 150-8000 O&M MANUAL Rev.04/03 Page 13 of 55
Summary of Contents for EPRO Series
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