Herco UO-D 900 FU CD 900 lph Reverse Osmosis System with Duplex Softener 420 242
Technical Resources
Technical Resources
Herco UO-D 900 FU CD 900 lph Reverse Osmosis System with Duplex Sof...
Product Description
The ready-to-connect combi unit includes a pre-filter, a backflow preventer, a duplex water softener, a limitron hardness control device and a reverse osmosis unit. It is used for the desalination of water with a salinity of up to 1,000 mg/l and is equipped with a high-quality centrifugal pump with variable-speed drive (VSD = FU). Frequency-controlled operation reduces electricity cost by 30 - 50 %, extends the lifespan of the unit and keeps permeate production constant irrespective of operation pressure. The RO digital microprocessor controller enables fully automatic operation with logging of all relevant operating data and freely adjustable limit values. The unit can be connected to the central control system via an optional Profinet interface.
Benefits
• Compact unit
• Equipment with VSD (FU) saves 30 - 50 % electricity cost, maintains permeate production constant and enables a longer lifespan as well as • particularly quiet operation
• Continuous operation due to duplex softening
• Versatile RO digital controller with logging of operation data and many parametrization options
Applications
• Continuous water softening and desalination
• Suitable for all commercial and industrial applications
• Suitable for reduction of electricity cost
Controller : RO digital
Desalination rate min.: 97 %
Permeate recovery: 75 – 80 %
Permeate back pressure max.: 0.3 bar
pH value operation: 3.6 – 9.5
pH value cleaning: 2 – 12
Ambient temperature: 5 – 40 °C
Conditions of use: The unit may only be used for the desalination of feed water with drinking water quality or appropriately pre-treated well or surface water. The unit is designed for a salinity (TDS) of 1,000 mg/l and a temperature of 15 °C. Under these conditions, the projected permeate output is achieved even after three years of operation. The permeate yield depends on the raw water quality and the pre-treatment. The following parameters must be maintained in the feed water:
Free chlorine: not detectable
Iron (Fe): < 0.2 mg/l
Manganese (Mn): < 0.05 mg/l
Silica (SiO2): < 25 mg/l
Silt density index (SDI): < 3
Feed water temperature: 5 – 35 °C
Feed water pressure: 4 – 6 bar
Pressure fluctuation: ± 0.5 bar
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