Geno Range RO/DI Water System, Series 5 Operation Manual
Avidity Science, LLC
2
Introduction
Purification Process
In normal operation, feed water enters the system through the inlet solenoid valve (
V3
), engaging the
reverse osmosis pump (
P1
). the conductivity of the feed water is measured by the conductivity sensor (
Q1
)
before it reaches the pump.
The untreated water is pumped through the carbon-based pre-treatment module (
TC001
) to detain larger
particles greater than 20 micron in size and chemicals such as insecticides, pesticides, herbicides, and chlo-
rides. The pre-treatment module is essential to protecting the RO membrane and must be replaced at the
stated intervals to retain the integrity of the RO membrane as effectively and efficiently as possible.
After the pre-treatment module, water passes over the RO membrane (
TC026
). The RO membrane rejects
almost all bacteria, viruses, heavy metal compounds and organics, as well as removing 98 percent of the
salt content from the water. A percentage of the rejected water, referred to as
concentrate
, is sent to drain
through flow restrictor (
R1
), while the remaining water re-enters the loop to pass through the RO mem-
brane again, conserving water.
The product water, referred to as
permeate
, is measured through the permeate conductivity sensor (
Q2
) as it
leaves the membrane. If the water quality measure within the set limits, then the permeate solenoid valve
(
V5
) is opened and the permeate water reaches the next level of purification. If the water quality measure
is outside the set limits, the system will display a warning for the user to act accordingly and the permeate
is recycled or flushed to drain.
The accepted water is then pushed through the Endure Purification Pack 1 (
TC002
) which contains ion-
exchange resins. The de-ionization process occurs and the product water quality is measured by the post-
treatment conductivity sensor (
Q3
). If the quality above the set point, valve (
V9
) opens and the permeate
water is fed into the required external storage tank (
TANK
) where it is held as Type 2 water. It is recom-
mended that the tank is fitted with the submersible UV light (
TC008
) to maintain bacteria sterilization
while the water is stored.
DOMINIQUE
DUTSCHER
SAS
