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Summary of Contents for Aquatec DC 500
- Page 1 User Manual Version 2013.01 Aquatec watermaker DC 500 Modular 12 or 24 Volt DC...
- Page 2 Thank you to choose an AQUATEC Watermaker for the provisioning of fresh water on your boat. AQUATEC equipment is made from high-quality components exclusively and has proven its reliability on longcruising-yachts. We are convinced that our product will serve you for many years without interferences.
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Page 3: Table Of Contents
Table of contents 4 - 5 Fresh water production 6 - 7 Fresh water flushing 8 -10 Preservation / cleaning Introduction 12 - 16 Installation guide Circuit diagram Maintenance Change of membranes Troubleshooting Clamping torques / Spare parts Technical data Scope of delivery 24 - 25 Warranty... -
Page 4: Fresh Water Production
60 seconds). By shifting the three-way valve no. 2, the product water is fed into the fresh water tank. Attention: If Aquatec is run in brackish water or in low-salt water (e.g. Baltic Sea), the fresh water production must not exceed the displayed value! In this case, increase the pressure under continuous observation of the produced amount of water until the normal level of fresh water production is reached. - Page 5 Flow diagramm fresh water production. Working pressure 55- 60 bar !!!
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Page 6: Fresh Water Flushing
6 days. This process can be repeated every 6 days. Note: Prior to a longer period of shutdown (without flushing), the Aquatec has to be preserved with the chemical no. 3 (Biocide). For instructions, see “Long term preservation (mothballing) of the plant”. - Page 7 Flow diagram fresh water flushing. Working pressure 0 bar.
- Page 8 Long term preservation (mothballing) of the plant Prior to a longer period of shutdown, the Aquatec has to be preserved with chemical no. 3 (Biocide). After mothballing, the plant can be shut down for 6 months, depending on the environmental conditions. For a longer period of shutdown, the long term preservation has to be repeated every 6 months.
- Page 9 Flow diagram long term preservation (mothballing) and cleaning Working pressure 0 bar.
- Page 10 8) If there is no change in freshwater output, repeat the procedure 1 to 7 with chemical no. 2 ( Acid). Attention: Do must not mix different chemicals. Prior to a longer period of shutdown, the Aquatec has to be preserved with Biocide after cleaning and flushing.
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Page 11: Introduction
Introduction The principle of reverse osmosis (RO) In natural sciences and technology, osmosis is perceived as the directed migration of molecules through a semi permeable membrane. The chemical and physical structure of the membrane determines which molecules are able to pass and which are not. -
Page 12: Installation Guide
Installation guide page 1 It is obligatory that an electrician has to make the electrical connection Hose dimensions Feed from sea cock up to 5 mic filter ¾“ = 19 mm inside. Feed from 5 mic filter up to high-pressure pump ½“ = 13 mm inside. Preservation and cleaning ½“... - Page 13 Installation guide page 2 Filter housing For a good sealing of the filter housing, please lubricate the O-rings in the filter bowls with the included acid-free silicone grease. Mount the filter housing at an easily accessible place. Connect the filter inlet with the outlet of the feed pump and the filter outlet via PVC hose with the high-pressure pump.
- Page 14 Installation guide page 3 Fresh water flushing system Mount the filter housing for the charcoal filter at an easily accessible place between the fresh water pressure system and the prefilter housing. Install the hose connections corresponding to the flow diagram. Preservation and cleaning of the plant by the use of the flushing tank Mount the included flushing tank in a way that there is a slope to the feed pump and to the high-pressure pump.
- Page 15 Installation guide page 4 High-pressure hose, to be cut into two parts according to your needs. To allow a flexible assembly, the high-pressure hose is provided as one piece of 4 meters (13.1 feet) with a V4A high-pressure fitting at both ends. Please fit the required lengths accurately before cutting the hose.
- Page 16 Installation guide page 5 Anschluss der Hochdruckschläuche an das Druckrohr: Endkappen Druckrohres vorhandenen Hochdruck- Anschlussfittings gegen verdrehen mit einem 19 mm Gabelschlüssel halten und die Überwurfmutter vom Hochdruckschlauch mit einem Gabelschlüssel 17 mm mit ca. 10Nm festziehen. Durch die O-Ringabdichtung ist es nicht nötig die Überwurfmutter mit sehr viel Kraft anzuziehen.
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Page 17: Circuit Diagram
Attention: Connection feed pump: red = positive (+), black = negative (-). Wrong polarity destroys the pump and is not covered by warranty. Table for the required wire cross section DC 500 Total length in meter mm² 12V / 24V... -
Page 18: Maintenance
Maintenance In operation, regularly check all hose connections for leaks. Filter Maintenance Time interval Coarse filter Cleaning as required Prefilter Replacement of filter elements as required Charcoal filter Replacement of filter element every 3 months High-pressure pump up to 25°C engine oil SAE 10-40 Oil change over 25°C gear oil SAE 80-90 initial change after 50 hours, then... - Page 19 Membranes The vent of the O-ring has to be directed to the water inlet product water seawater concentrate (brine) Demounting the membrane: For demounting the membranes, screw off the 3 M6x20 screws each at both ends. (Screw tightening torque for the holding clips 3 Nm). Then take off the stainless steel holding clamps.
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Page 20: Troubleshooting
Troubleshooting Pressure and/or production falls. low voltage check voltage at engine connections coarse filter, prefilter or intake clogged clean or replace filter membrane defect or dirty. clean or replace membrane Loud banging noise of the motor pump unit belt is too loose. tighten belt Noisy operation, vibrations, unsteady pressure. - Page 21 Clamping torques and spare part-numbers high-pressure pump Description Amount Description Amount Pump head Duplexsteel 1,4462 Connecting rod eye Screw stainless 8 x 60 O-ring 101,27x2,62 Top cover O-ring 17,13x2,62 NBR 90, Kit-1 Screw 6 x 18 Valveseat 1.4462, Kit-1 O-ring 10,82x1,78 Valveplate 1,4462, Kit-1...
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Page 22: Technical Data
Technical Data Technical data AQUATEC watermaker DC 500 Membrane type Seawater SW 2540 Membrane Polyamide Thin-Film Composite Working Pressure 3.5 % salinity, 55-60 bar, maximum 60 bar Minimum Salt Rejection 99,5% PH Range 2 – 11 Free Chlorine Tolerance less than 0,1 ppm Seawater temperature range + 0.5°C to 38°C... -
Page 23: Scope Of Delivery
Scope of delivery Seawater R.O. AQUATEC : • High-pressure pump with electric motor, pump head in Duplex-stainless steel 1.4462. • Feed pump 230 volt. • GFK membrane housing and membrane-element. • 1Filter housing and fastener, 1 charcoal filter-cartridge for fresh water flushing. -
Page 24: Warranty
Warranty terms Aquatec watermaker 1. The warranty period starts on the date of delivery to the first customer / buyer and is not transferable. During manufacturing and before delivery, all devices are extensively tested and controlled. If the specifications, instructions and regulations described in this manual are disregarded, damage may arise and/or the device may not be able to comply all its specifications. - Page 25 The same shall apply in the event that there is an omission in these provisions coverage. Hamburg 2009 Aquatec-Watermaker. Proprietor. Joachim Matz, Trakehner Kehre 6e, 22175 Hamburg, Germany Copyright Joachim Matz Manufacturing and marketing by AQUATEC-Watermaker...
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