Hydrotech PURA QCRO Series Quick Change Reverse Osmosis Drinking Water System - Manual (Page 9)

7
Overview of the PURA Quick Change RO System’s Components
Manifold assembly
The manifold assembly serves as the functional hub of the PURA
system by directing the flow through each of the system’s main
components.
Sediment Filter
The sediment filter screens out particulate material, such as dirt, sand,
or rust, which may clog the other filters in the system.
activated Carbon Prefilter
The activated carbon prefilter reduces chlorine which may damage
the RO membrane filter. It must be regularly checked and/or
replaced to prevent premature membrane failure and poor water
quality.
Reverse Osmosis Membrane
The RO membrane (4) reduces dissolved substances and other
microscopic impurities. It consists of a membrane envelope wound
around a perforated tube. Product water diffuses through the
membrane to the inside of the envelope where it flows to and is
collected by the tube. Impurities are flushed away in the drain stream.
The RO membrane featured in the PURA system offers exceptional
contaminant rejection, application versatility, and long life. The
membrane material is sensitive to an attack by chlorine. The activated
carbon filter must be maintained properly to prevent premature
failure of the RO membrane.
For long term storage the RO membrane should be refrigerated to
maximize performance once used.
DO NOt aLLOW tO FReeZe.
Note: This preservative must be flushed from membrane before use.
If ingested it may cause irritation of the gastrointestinal tract, colic,
diarrhea, or other similar symptoms. The manufacturer recommends
discarding all the product water for at least one hour of operation
before drinking or use in food preparations. WaterGroup highly
recommends discarding the product water for a full 24 hours to
flush the preservative and to properly hydrate the membrane for
maximum performance.
Polishing Filter
The polishing filter (5) adsorbs any residual tastes and odors just before the water is delivered through the faucet.
Drain Line Flow Control
The flow control assembly or concentrate flow control (6) regulates the flow rate of the flushing (drain) stream and to
maintain pressure in the RO membrane filter.
automatic Shutoff
The automatic shutoff (7) automatically stops the flow of water through the PURA system when the storage tank is full.
Dispenser Faucet
The PURA faucet (8) allows the product water to be drawn from the system with a simple rotation of the handle. This air
gap style faucet prevents the unit from siphoning drain water back into the system. It features a built-in siphon break
for concentrate discharge as required by most plumbing codes.
Storage tank
The storage tank (9) collects and stores the water produced by the RO system. A compressed air diaphragm drives the
water to the polishing filter and faucet. The ball valve (11) provides a convenient way to lock water in the tank during
transport and filter changes.
Note: Cleanliness is essential in the Preparation procedure. Be sure to wash your hands thoroughly before handling
filters. The use of surgical gloves is strongly recommended.
Figure 2
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