Marlo Incorporated RO-25T, Operating Manual

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SECTION I. INTRODUCTION
rated from the incoming water (Feed Water) to pro
duce the product water (the Permeate). The
Your new Reverse Osmosis (R.O.) Drinking Water excess minerals are rinsed to drain (the Reject
System uses a combination of filtration technologies Water).
to reduce unwanted contaminants in a water supply.
The following steps combine to give you the best in
The membrane is specially constructed, fully aro'
clear sparkling drinking water: matic polyamide film and is classified as a Thin
Film Composite (T.F.C.).
MECHANICAL FlLTRATION/ACTIVATED CARBON -
The sediment prefilter will remove the larger par- The spiral wound construction of the R.O. Mem
ticles such as silt, rust and scale. Its 5 micron brane provides maximum surface area for water
(equal to 0.0002 inch) nominal rating helps to production and is less susceptible to fouling by par
give maximum life to the R.O. Membrane. ticulate matter, turbity and colloidal materials.
Activated carbon particles contain a vast network
of pores. The tremendous surface area of these
ACTIVATED CARBON POST FlLTER -The prod
pores (typically 800-1200 square meters per uct water from the Holding Tank passes through
gram of carbon) gives the carbon very good the Activated Carbon Post Filter Cartridge on the
adsorptive sites for chlorine as well as other sub- way to the Dispensing Faucet. The Activated
stances that contribute to taste and odors. Carbon Post Filter Cartridge reduces tastes and
odors that may pass through the system. It adds a final "polish" to the water.
REVERSE OSMOSIS MEMBRANE - The R.O.
Membrane is the heart of the filtration system. It
is designed to reduce the dissolved mineral con-
AUTOMATIC SHUTOFF VALVE - The A.S.O.
tent of the water. Minerals picked up in the envi- Valve senses when the product water tank is full
ronment by the water are measured as Total and closes the feed water supply to prevent
Dissolved Solids (T.D.S.). In the Reverse excess reject water from going to drain when the
Osmosis process, dissolved minerals are sepa- unit is not producing water.