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FRESH WATER FLUSH PROCEDURE 

 

Caution:    The  fresh  water  pressure  should  not  exceed  the  range  of  the  low  pressure  gauge/s.    The 
installation of a pressure reducer may be necessary. 

 

If you don’t use your watermaker for the next three days, you will need to flush your system with fresh water or 
infuse a biocide solution.   
The fresh water flush prepares your watermaker for a shut down period of 7 days maximum. 
 

1) 

Open the pressure control valve all the way counter clock wise (two full rounds after the spring releases).   

3)  Close the seawater intake valve (sea cock) or switch the cleaning/storage valve to the closed position. 

4)  Open the fresh water flush valve on the active carbon filter. If the nylon tee with the flush/storage valve 

is supplied switch the valve to the flush position. 

 

Your vessel’s fresh water system pump should now turn on (larger pumps will cycle on and off). For the 
next flush procedure, test how long it takes until the brine at the outlet becomes fresh. Allow fresh water 
to flow until all salt water is flushed out of the RO System. 

5)  Open the seawater intake valve (sea cock) and switch the cleaning/storage valve to the seawater position. 

Allow fresh water to flow until all salt water is flushed out of the pre-filter(s), boost pump and the sea 
strainer  (approximately  30  seconds,  depending  on  the  flow  rate  of  your  vessel’s  fresh  water  system 
pump). 

6)  Close the seawater intake valve. 

 

MEMBRANE STORAGE PROCEDURE 

 

If  you  intend  to  store  your  watermaker  for  more  than  7  days,  growth  of  microorganism  will  degrade  the  RO 
membrane(s) performance.   
 
The RO membrane(s) should be flushed with a biocide solution.  This will preserve the membrane for long-term 
storage of up to one year. 
 

1. 

If  you  have  installed  the  optional  fresh  water  flush  system,  back  flush  the  pre-filter(s),  the  boost 
pump and the sea strainer with fresh water and remove the pre-filter cartridge(s).  Close the seawater 
intake valve (sea cock). 

 

2. 

In a clean plastic container, mix 2.5 gallons / 10 litres of un-chlorinated fresh water with 100 grams 
(1/3 container) of Echo Tec. Preservative # 3 (Metabisulfite) for the models 200-900. Mix 4 gallons / 
15 litres of water with 150 grams (1/2 container) of preservative for the models 1200 and 1500. 

 

3. 

Switch  the  three-way  valve  to  the  cleaning/storage  position.    Switch  the  diverter  valve  to  the 
sample position. 

 

4. 

Open the pressure control valve all the way counter clockwise (two full rounds after the  spring 
releases). 

 

5. 

Infuse the solution with the cleaning storage hose while running the high pressure 
pump at lowest RPM.  Do not apply pressure.  There will be no flow at the fresh water outlet. 

 
Under best conditions your watermaker is now prepared for a shut down period of ten months. 
 
Discard the product water for at least thirty minutes of initial operation, after storage, before 
drinking or before use in food preparations. 

Summary of Contents for Watermakers 200-BMS-1

Page 1: ...NUAL Pages 2 INTRODUCTION 3 SPECIFICATIONS 4 5 STANDARD SYSTEM FEATURES OPTIONS AND ACCESSORIES 6 FLOW DIAGRAM 7 9 INSTALLATION INSTRUCTIONS 10 INSTALLATION INSTRUCTIONS OPTIONS 11 13 SYSTEM OPERATION...

Page 2: ...st products on the market The purpose of this manual is to allow you to become familiar with each component of your new ECH2O Tec Watermaker By understanding the function importance and normal operati...

Page 3: ...rated performance is tested at 26 C 80 F water temperature and 33g NaCl ltr RO MEMBRANE TYPE Standard size high rejection TFC Polyamide thin film composite spiral wound single pass reverse osmosis ele...

Page 4: ...gh pressure gauge 1 Product flow meter 25 50 100gph 1 Diverter 3 way valve 1 Breaker 10amp or 2 Breakers 10 amp with optional boost pump 6 1 Hardener pH neutralizer kit with mineral element and 2pcs 3...

Page 5: ...al cartridge stainless steel bracket 8 screws shut off valve 2 x 5 8 hose barb connectors 10ft 1 2 braided hose 4 x 1 2 hose clamps Low pressure gauge The low pressure gauge indicates when the pre fil...

Page 6: ...ermakers DATE 31 05 06 REV 3 1 DRWN MS BOOST PUMP FRESH WATER FLUSH FILTER FILTER STRAINER FILTER PUMP FILTER 5 20 PSI PSI FLOW REJECT WATER REJECT WATER OUTLET CLEANING STORAGE SOLUTION INTAKE R O ME...

Page 7: ...ld only do the electrical installation Connect the wire of the magnetic clutch to the system switch on the control panel Supply 12V DC to the switch This wire needs to be protected by a 10A fuse When...

Page 8: ...h storage valve is supplied connect the 3 4 hose fitting on the tee to the bottom intake fitting of the high pressure pump INSTALL ALL PLUMBING TO ELIMINATE ANY AIR POCKETS IN THE SYSTEM CAUTION USE A...

Page 9: ...your water tanks into the R O membrane and does not require a new fitting in your tank When using a spigot as the taste test station be sure you have no shut off valves in the product water line A han...

Page 10: ...plied nylon nipple to the standard filter housing and reconnect the reinforced vinyl hose The 5micron cartridge has to be installed as the second filter in flow direction 5MICRON PRE FILTER HOUSING WI...

Page 11: ...Switch on the boost pump optional and the electro magnetic clutch 7 Flush the air out of the system Check the brine discharge at the output location Caution Never allow any leaks in your hose or tube...

Page 12: ...ow rate of your vessel s fresh water system pump 6 Close the seawater intake valve MEMBRANE STORAGE PROCEDURE If you intend to store your watermaker for more than 7 days growth of microorganism will d...

Page 13: ...bel CAUTION Do not mix different cleaning chemicals together Do not use different cleaning chemicals together at the same time Mix the cleaning chemicals separately and use them separately Note All cl...

Page 14: ...applicable When brushes are worn out High pressure pump Change crankcase oil Change packing seals and O rings Initial change after 50 hrs Every 200 operating hours or 6 months Every 5000 hrs or 2 year...

Page 15: ...s inner wall and remove it in one fast pull 6 Inspect the end plug for hairline cracks or damages on the O rings and O ring grooves 7 Pull the membrane on the product pipe out of the pressure vessel o...

Page 16: ...recommended lubricant SAE 90 gear box oil non detergent Check inlet lines for restrictions and or proper size Check strainer and filter s Inability to build up pressure Discharge valve chamber has ai...

Page 17: ......

Page 18: ...16B and copper gasket 16D and clean the old Locktite from the plunger bolt 16C and plunger base 16A Replace the plunger with the new one and Locktite the plunger bolt and torque to 120 inch pounds NOT...

Page 19: ...s 12A and 12B if they were removed from the crankshaft Be certain the bearings are pressed all the way onto the shaft and completely into the crankcase Replace radial shaft seal 11 bearing cover with...

Page 20: ...s Service Center The purchaser must pay any transportation or labor expenses incurred in removing and returning the product A return authorization must be obtained before any part or component is ship...

Page 21: ...nger of the Reverse Osmosis Membrane Element s fouling or drying out Therefore we can ship your system without the Membrane s This allows you to install the system at the appropriate time in your sche...

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