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DC Freedom 60

DC Freedom 60
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DC Freedom 60

Product catalog summary
Components: The Dessalator DC Freedom D60 consists of a hull valve, pre-filter, motor-pump unit, membrane unit, and control panel. Key installation positions include the hull valve low in the boat, the pre-filter near the hull valve, and the motor-pump unit under the waterline. The membrane unit contains two membranes, and the control panel includes a pressure gauge, flowmeter, and indicator lights.
Installation:
  • Sea Water Inlet: Position the strainer below the waterline using Tricoflex hoses and ensure watertight seals with Loctite or Teflon tape.
  • Motor Unit: Install horizontally, protect from water spray, and ensure proper air circulation for cooling.
  • Electrical Connections: Ensure correct polarity and use appropriate cable diameters (35mm² for 12V, 20mm² for 24V).
  • Membrane Unit: Install horizontally or on a wall support, using insulating tubes for hoses to reduce vibration.
  • Control Panel: Mount vertically near the motor/pump unit and membranes, connecting hoses for HP, production, and waste outlets.
Starting the Dessalator: Open valves before starting, fill the circuit with fresh water without pressure for initial use, start the motor, adjust the pressure regulator, and monitor the pressure. The system will cut out if pressure is too high.
Directions for Use: Maintain membranes carefully, avoid extreme temperatures, and ensure they remain immersed in liquid. Use in clean sea water and avoid polluted areas.
Maintenance: After 1,000 hours, expect a 10-15% flow reduction. Replace membranes if production falls below specifications. Protect membranes in freezing conditions by emptying the flowmeter tube and using blankets.
Overview: This document provides detailed instructions and maintenance procedures for a water desalination system using reverse osmosis technology, covering operation, maintenance, and troubleshooting, including membrane rinsing, sterilization, and handling of the HP pump.
1. Water Production: Drinking water volume is influenced by sea water temperature and system pressure. A decrease in production does not necessarily indicate a need for membrane replacement.
2. Membrane Rinsing:
  • Weekly flushing with fresh water is recommended before use, not after each use, to conserve water.
  • Two flushing methods: manual and automatic, both using the boat's fresh water supply.
  • Fresh water should be used without pressure to avoid membrane damage.
3. Maintenance Procedures:
  • Manual Flush: Use a valve near the pre-filter to initiate fresh water flow without turning on the water maker.
  • Automatic Flush: Conducted while the water maker is running, it automatically flushes and backwashes the pre-filter.
  • After flushing, ensure the pressure dial is anti-clockwise before starting the water maker.
4. Membrane Sterilization:
  • Regular monthly rinsing is usually sufficient; otherwise, sterilization every six months is necessary.
  • Methods include manual rinsing, using a garden spray, or a sterilizing cartridge.
5. HP Pump Maintenance:
  • The pump is pre-filled with oil; refilling is rarely needed but should use 15W40 oil.
  • Remove the shipment sticker from the oil cap before use.
6. Spare Parts and Accessories:
  • Includes filters, belts, relays, valves, and sterilizing cartridges.
7. Reverse Osmosis Principle:
  • Sea water is forced through membranes, filtering out most dissolved solids, ensuring a TDS value of 500 for drinking water.
  • Regular treatment of stored fresh water with chlorine or iodine is recommended.
8. Installation Instructions:
  • Detailed steps for installing HP connectors, ensuring no blockages and proper sealing.
9. Troubleshooting:
  • Common issues include leaks, noisy pumps, and insufficient water flow, with solutions provided for each.
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Catalog excerpts

DC Freedom 60-1

USER’S MANUAL DESSALATOR® DC FREEDOM D60 - 60 LITRES / HOUR DESSALATOR Technical and Sales Departments: Z.I des 3 Moulins – “Euro 92 – Bât. D – 282 rue des Cistes – 06600 ANTIBES

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DC Freedom 60-2

page 1 page 2 page 3 page 4 page 5 page 6 page 7 page 8 page 9 page 10 page 10 page 11 page 12 page 13 page 14 page 15 page 16 page 17 2. How to install the desalinator: Sea water inlet Motor unit Membrane unit Control panel 5.1 Maintaining and 5.2 rinsing the membranes 5.4 High pressure pump 6. Spare parts and accessories Appendix: A1: Reverse osmosis A2: How to assemble the HP connectors A3: Sterilizing cartridge - Instructions for use A4: Manual rinsing A5: Troubleshooting A5: Troubleshooting : Led indicator Connections plan: Connections DES 12/23/230V DUO- Doc : RAC_DUO - 4/12/10

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DC Freedom 60-3

Installation Diagram DC FREEDOM 60 12 V or 24V Rinsing solenoid valve cable Control panel Length: 320 Width: 200 Depth: 150 Water line Fresh water tank Membranes Length: 700 Width: 190 Height: 120 Motor unit Length: 500 Width: 320 Height: 220 Rinsing with pressurized fresh water Strainers need to be looking forward on the hull of boat Filter Width: 310 Height: 390 Depth: 340 Positive connection on relay with brown cable 35 mm² Rinsing solenoid valve control cable Sea water Fresh water HP hose pump membranes Negative connection on motor with green/yellow cable 35 mm² in 12V and 24 V

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DC Freedom 60-5

1. Components supplied with the Dessalator®: Version A5 Hull valve: It must be located the lowest possible in the boat, to the back for a motor yacht or in the centre near the keel for a sailing boat. The hull valve strainer filters out the larger particles at system entrance. Pre-filter: It must be located the nearest possible to the hull valve and be compulsory under the waterline. If not possible, there is a solution: install a LP pump (optional). The pre-filter filters out solid particles down to 5 µm at the motor unit inlet. It is supplied with wrench. For automatic rinsing an electro-valve...

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DC Freedom 60-6

2. How to install the watermaker: 2.1 Sea water inlet Sea water inlet valve: The strainer should be positioned as low as possible below the waterline and as far as possible from the deck waste oulet. Drill the hull  21mm. The grooves on the strainer should be facing forward (towards the bow) for maximum water intake when the boat is moving forward. Please seal watertight with Rubson mastic or Sicaflex. The hull valve should be accessible for maintenance. Make the valve / strainer and valve / hose connector watertight using 577 Loctite or Teflon tape. Recommendation: ensure that the immersed...

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DC Freedom 60-7

2. How to install the desalinator: 2.2 Motor unit: The HP motor unit should be installed as low as possible in the boat in a horizontal position and it must be protected from water spray as much as possible. The unit is mounted using two brackets under the two motors leaving a few centimetres clear space around the unit, to get sufficient air circulation space for motor cooling. The connection between the prefilter1 oulet and the inlet to the low pressure side of the pump 2 is in Tricoflex hose of  12mm with doubled stainless jubilee clips at each joint. The HP head3 of the pump is connected...

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DC Freedom 60-8

2. How to install the desalinator: 2.4 Membrane unit 3 The membranes can be installed horizontally, preferably flat or on a wall support. They are mounted using 8 Parker screws in stainless steel brackets1. As the hose from the HP pump2 vibrates, it is preferable to install the hose with an insulating tube. The HP connectors should be installed strictly in accordance with the instructions (Appendix A2). Apply a little loctite or nut seal to the two male and female cones before tightening. Recommendation: To facilitate the connection of the HP stainless steel fittings3, it is possible to rotate...

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DC Freedom 60-9

2. How to install the desalinator: 2.5 Control panel: 3 The control panel must be mounted on a vertical surface as close as possible to the motor / pump unit and to the membranes. Leave space behind the panel to facilitate the connections. It is recommended that it is installed at the bottom or on the sides of cupboards, under chart table or main cabin seats, on the front panel of a rear bunk, … The panel has the following water connections:  HP hose1  Production hose exiting the membranes (blue hose)2  Production hose from panel to tanks3: a 10mm inner  Tricoflex hose will be required which...

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DC Freedom 60-10

3. Starting the Dessalator: 1. Ensure the valves are open before starting up the desalinator (Hull valve and waste oulet valve if relevant) 2. To be done compulsory: For the first use, after the replacement of the filter, when lifting the boat out of the water or for a long period of not using your water maker, please fill the circuit with fresh water WITHOUT PRESSURE with the pump of board: put the handle valve on the pre filter to the back; this operation should be done for 3 or 4 minutes, water maker stopped and pressure captor open (fully anti-clockwise). Once the circuit is full of fresh...

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DC Freedom 60-11

4. Directions for use: MEMBRANES DELICATE COMPONENTS Reverse osmosis membranes must be carefully maintained as they are the most delicate elements of your system. We recommend that the maintenance instructions are carefully followed to prevent the membranes from damage and to ensure the guarantee is not invalidated. Maximum production capacity of the desalinator is achieved with a sea water temperature of 25°C. The functioning of the membranes will vary depending on the temperature of the sea water and the sailing area. Output drops by approximately 2.5% to 5% for each degree below 25°C. Extreme...

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DC Freedom 60-12

5. Maintenance: CAUTION: IN FREEZING CONDITIONS, PLEASE EMPTY THE FLOWMETER TUBE ON THE CONTROL PANEL BY DISCONNECTING THE PRODUCTION HOSE AND BLOWING OR INJECTING AIR INTO THE HOSE, PROTECT YOUR MEMBRANES WITH BLANKETS. 5.1. After 1,000 working hours, it is normal that the flow lowers between 10 and 15%. If more, you should think of replacing the membranes.  The volume of production of your watermaker can be made over the first 24 to 48 hours of operation. If the drinking water produced falls below the normal working specifications (sea water containing a TDS of 35,000 ppm, a sea water temperature...

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All Dessalator catalogs and brochures

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.