Attach the float ball to the unattached
end of the float arm. Adjust the float arm
so that the top of the float ball doesn't
rise above the lowest point of the bottom
of the switch. Refer to Figure 5.
5.
Electrical Connection:
Make sure water is available to the
reverse osmosis system before making
this connection because this will start the
RO machine. Insert the EPRO system
male plug into the float switch female
connector. Insert the float switch male
plug to a power source. This will start the
RO system when the float switch is in the
down position.
NOTE:
Male plugs are supplied with 10'
of lead. Extension cords are not
recommended. If a longer wire run is
required, please retain a qualified
electrician.
6.
Re-pressurization System Start-
Up:
With an air pressure gauge, insure that
the bladder tank pre-charge is set 2 psi
below the cut in pressure (see example
below).
7. Priming:
After the storage tank is filled, the re-
pressurization system must be primed
and started. Prime the pump by
removing the pressure gauge and
pouring water into the pump. Reinstall
the pressure gauge in the fitting. Move
the lever on the side of the pressure
switch to the “START” position. Open the
drain valve slightly to allow air to escape
during start up. This is located at the
bottom of the pressure tank. Close after
start up. After the unit is primed, and the
unit begins to pump, hold the lever on
"START' until pressure reaches 30 psi.
Operation from this point on is
automatic. If the pump doesn't build
pressure within 20 seconds, repeat the
priming sequence. Failure to properly
prime the pump can cause damage that
is not covered under the warranty.
Connect the re-pressurization pump
power plug to a power source.
Example:
Operating Pressure Range
20-40 PSI
30-50 PSI
Bladder Tank Pre-charge
18 PSI
28 PSI
EPRO 150-8000 O&M MANUAL Rev.04/03 Page 19 of 55
Summary of Contents for EPRO Series
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