Ecosoft 4″ MO6500 Reverse Osmosis System w/o membranes
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MO6500 is the most popular model in the Professional series. Pre-designed and convenient options for permeate flushing and blending assembly allow the system to handle any water treatment task, even with complex water. The system design and reliable components enable continuous 24/7 operation.
Its open-frame construction ensures quick maintenance access, while the OC5000 controller allows full customization to meet specific applications and conditions. Permeate flushing extends the service life of membrane elements by up to 30% and significantly reduces the load on pre-filters.
The blending assembly enables mixing from any point in the water purification system or even from another water source. Low noise level, compact size, and stylish design make this model an excellent choice for cottages, private houses, greenhouses, and restaurants. The MO6500TP5 is also a reliable solution for light production such as bakeries, breweries, wineries, and cheese or sausage production.
Features
- Flow capacity: 250 L/h
- Reliable and stable performance
- Flexible flow adjustment for various feed water
- Pre-designed options for tailor-made solutions
- Reliable Ecosoft OC5000 controller
- Energy-efficient and quiet Grundfos® pump
General Conditions for Installation
Source Water Requirements
Parameter/Specification
- Max. inlet water TDS (Total dissolved salts) 3000 ppm
- Hardness (without antiscalant) 150 ppm CaCO₃
- Hardness (with antiscalant) 15000 ppm CaCO₃
- Silica 20 mg/L SiO₂
- Residual chlorine 0.1 mg/L
- Chemical oxygen demand 5 mg/L O₂
- Iron 0.1 mg/L
- Manganese 0.05 mg/L
- Hydrogen sulfide none
- Chlorides 500 mg/L
- Description
- Parameters
- Specifications Table of ROs
- Product Manuals
- System Components
- Service & maintenance
Parameter/Specification
- Rated capacity 250 L/h
- Rated capacity 6500 L/d
- Recovery up to 75 %
- Inlet water TDS 3000 ppm
- Membranes (pcs/type) 1/40×40
- Inlet water pressure 2…4 bar
- Operating pressure 8…12 bar
- Maximum pressure 14 bar
- Service feed flow 320–400 L/h
- Forward flush feed flow 2400 L/h
- Water consumption for forward flush 40 L
- Inlet water temperature 5…30 °C
- Online access no
- Controller menu languages EN
- Power supply 1 × 220–230 V
- Frequency 50 Hz
- Rated power 0.67 kW
- System dimensions (H × W × D) 1450 × 540 × 385 mm
- System weight 55 kg
- Permeate flow* 4.2 LPM
- Concentrate flow* 1.4 LPM
- Recycle flow* 15.0 LPM
- Operating pressure* 9.8 bar
| Model | Flow Rate L/hr | Membranes | Pump Horizontal Multi-stage | Dimensions HxWxD |
|---|---|---|---|---|
| MO6500 | 280 | 1/40x40 | 0.67 kw/230 v | 1450 x 550 x 400 |
| MO12000 | 530 | 2/40x40 | 0.67 kw/230 v | 1450 x 550 x 600 |
| MO24000 | 1000 | 4/40x40 | 1.9 kw/230 v | 1500 x 700 x 600 |
| MO36000 | 1500 | 6/40x40 | 1.9 kw/230 v | 1500 x 900 x 600 |
- Pump: Grundfos® CM 1-10, high-energy efficiency (IE4, A+), low noise and vibration, AISI 304 – 1 pcs
- Membrane vessel: 300 psi – 1 pcs
- Electrical controller: Ecosoft OC5000
- Conductivity cell (permeate): yes
- Sediment prefilter: BB20 – 1 pcs
- Sediment filter: PP melt-blown 4.5″ × 20″, 5 µm – 1 pcs
- Frame: Steel, powder-coated – 1 pcs
- Inlet solenoid valve: Danfoss – 1 pcs
- Forward flush solenoid valve: Danfoss – 1 pcs
- Float switch: 1 pcs
- Pressure switch after sediment filter: adjustable
- Pressure switch on permeate line: adjustable
- Permeate rotameter: 1–7 LPM, non-adjustable
- Concentrate rotameter: 1–7 LPM, adjustable
- Permeate recycle: 2–18 LPM, adjustable
- Pressure gauge after sediment filter: 10 bar
To ensure maximum efficiency of the Ecosoft reverse osmosis system, regular replacement of filter elements is required. Proper maintenance guarantees high water quality and extends the service life of your system.
Cartridge replacement schedule:
- Ecosoft PP melt-blown sediment filter, 4.5″ × 20″, 5 µm – replace every 4 months, or if the pressure drop reaches 0.5 bar
- Membrane element – replace or clean every 6 months if productivity decreases by more than 15–20%, water quality worsens by 15–20%, or pressure drop increases by 15–20%
You can replace cartridges and membrane elements yourself, but for best results we recommend contacting an authorized service center.
If you decide to carry out the replacement yourself, follow the instructions below:
- Use sterile rubber gloves when handling membrane elements
- If high microbiological purity is required, disinfect the reverse osmosis system and the permeate tank before installing the membrane
Membrane holder cap
1 – Screws, 2 – Locking half-rings, 3 – End cap, 4 – Sealing ring, 5 – Sealing ring for the end cap.
Remove the membrane element(s) from the factory packaging. To replace the old element with a new one, disconnect the pipelines and remove the membrane holder(s) from the frame.
- Pay special attention to the sealing ring of the end cap (5). If the seal is missing, permeate and concentrate streams may mix.
After removing the end cap, install the membrane element in the direction of the arrow marked on the membrane holder (from the inlet water side). The membrane element must be inserted into the holder with its sealing ring aligned with the inlet connection of the holder head.
After installation, secure the holder head with screws and locking elements to the holder body, then reconnect the pipelines for feed water, concentrate discharge, and permeate outlet on the membrane holder. Fix the membrane holder to the reverse osmosis system frame.
During the first system startup, the initial portion of permeate must be discharged to the sewer, with a minimum discharge time of 15 minutes.
- When installing the membrane, pay attention to the direction of the arrow on the membrane holder.
- If necessary, use glycerine as a lubricant.
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