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INSTALLER AND USER GUIDE FOR CROSS 90 DIRECT FLOW REVERSE OSMOSIS FILTER

DEAR CUSTOMER!

1. PURPOSE OF THE PRODUCT

Thank you for choosing our products.

We want you and your family to enjoy clean drinking water. With Ecoso lter you will forget

the trouble of using large boles. Pure spring water for drinking, cooking and making drinks will

always be at hand. Please read this instrucon manual and check validity of the warranty card

before using the system.

Reverse osmosis is by far the most advanced technology of water puricaon in use today. Special

semipermeable membrane structure similar in its properes to the membrane of a living cell

is capable of purifying drinking water from virtually all harmful impuries (see Figure 1). The

membrane can be conceived of as having ny pores, 200 mes smaller than viruses and 4000

mes smaller than bacteria. Domesc water lters with reverse osmosis membranes harness the

principle of body’s metabolism on a cellular level. Only molecules of certain size can penetrate

cellular membrane.

Direct ow reverse osmosis lter CROSS 90 is a four-stage in three steps ltraon unit with

three cartridges funconing as follows (see secon (2.3) for reference numbers). Filter rack is

connected to cold water supply with feed water adapter (4). White tube (3/8”) carries water from

feed valve through low pressure switch and inlet solenoid valve to the CF lter cartridge. Incoming

water then passes through pre-lter cartridge (7). Pre-lter cartridge is a complex cartridge with

(2) stages inside. It is designed to remove solids (such as rust, sand, silt, etc), residual chlorine,

and organochlorines from water. Aer undergoing pre-treatment steps in the pre-lter, water

enters into the third (and the most important) stage: reverse osmosis membrane (7) contained in

a cartridge RO. One of the two outlets supplies puried water (permeate), and the other carries

away water with rejected impuries (concentrate). The membrane puries water at the molecular

level by passing through its pores only the water molecules and the molecules of dissolved oxygen.

Tap water under

pressure

Figure 1

Molecules of smaller

size, pure water

Larger molecules

Concentrate

for disposal

Membrane

Water

molecules

Ecosoft CROSS 90 User Manual

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