Diamond H2O Element LT Series Manual - Page 3

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Feed Water Requirements

1. Plumbing feeding the element must be at least ¾" in diameter.

2. Filtered water must be used on the membrane. The element has a 5 micron filter to remove

particles to drastically extend the life of the membrane. Changing these filters every month is

recommended to extend the life of the membrane. Follow instructions on page 10 to change

filters.

30-0021-XX

30-0122-XX

3. Soft Water is recommended. Excessive water hardness or iron concentrations may form scale

over the membrane and cause clogging. This will drastically reduce the useful life of the

membrane. Installing a water softener before each system to reduce hardness and iron is

recommended.

4. Anti-Scalent recommended. Slightly soluble contaminants like calcium sulfate, silica, or colloidal

clay will cause clogging. A continuous injection of an anti-scalent should be used if these

contaminants are present.

Recommended Specifications:

Total Dissolved Solids

Iron

Silica

Organics

Feed SDI

Free Chlorine

Inlet Pressure

Membrane Operating Parameters:

Membrane

Typical Operating Pressure

pH Range Continuous

Max Pressure Drop

Nominal Rejection

Element Series Manual

Replacement 5 Micron Filter

Alternate Replacement 5 Micron Filter

< 2000 ppm

< 0.1 ppm

< 10 ppm

< 2 ppm TOC

< 3.0

0.1 ppm

20 – 80 psi

Thin Film Composite

150-200 psig

3 – 10

10 psig per membrane Max Calcium Hardness < 0.0 LSI

98%

Hardness

Manganese

Hydrogen Sulfide

Turbidity

Temperature

Max Pressure:

pH Range, Cleaning

Max Temperature

< 17 ppm

< 0.1 ppm

< 0.0 ppm

< 0.1 NTU

3 – 10

40-95°F

400 psig

1 – 12

113°F

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