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Dissolved Solids (TDS) – Municipal water contains dissolved solids (calcium, magnesium, etc.) at levels which may
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vary dramatically over the course of a year depending on the water source and treatment methods.
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Contact your local water supplier to understand the water quality, and water treatment sanitizing approach
used throughout the year.
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TDS is measured in parts per million (PPM). The innovateIT RO system is designed to operate with feed water
with TDS levels up to 1000 PPM which is much higher than general municipal water standards.
Parts Per Million (PPM) – PPM is the standard measure of total dissolved solids where 1 PPM is equivalent to 1ml /
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Liter of liquid.
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The RO membranes remove 99.5% of the dissolved solids from the water.
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Using typical water, this unit should produce water with TDS of 1 to 5 PPM. As the membranes age, the TDS
will normally increase.
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Generally, TDS levels below 20 PPM will provide a spot free rinse. Above 20 ppm the operator will see visible
outline on glass or dark painted if water spots are allowed to remain on the surface.
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TDS levels above 40 PPM will leave spots on cars so it is critical that the system be checked on a daily basis to
ensure proper water quality.
Membrane Flush Cycle – RO membrane fl ush cycle starts 15 minutes after the tank is fi lled (fl ush cycle only starts if
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the wash tunnel do not demand RO water from the unit).
innovateIT's system uses RO water to fl ush the membrane for longevity of the membrane also reduce scaling
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build up.
Glossary of Terms
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