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INSTALLATION INSTRUCTIONS (BELT DRIVEN) 

 
HIGH PRESSURE PUMP

  

 
To minimize vibration, it is best to build brackets on the motor itself, similar to alternator brackets.  Use 
cardboard to construct a pattern first before making these brackets. 

 

The high-pressure pump has a 

maximum RPM of 1750. 

The recommended working RPM is 1450.

  

Minimum RPM for ECHO Tec. watermaker models: 

  200 - 500: 

  900 RPM 

 

  600 - 900: 

1050 RPM 

 

1200 - 1500: 

1225 RPM 

 

The high-pressure pump can run on lower RPM.  This will decrease the specified production only.   

 

Position the high-pressure pump horizontal with the dipstick up. The pump can turn in either direction. 

 

Ensure  proper  pulley  diameter  on  your  engine.  The  electro  magnetic  clutch  has  a  pulley  diameter  of 

7”/177mm

 

To determine the proper motor pulley size, use the formula below as a guideline. 

 

PUMP PULLEY DIAMETER

 7”/177mm  X 

RPM PUMP 

= MOTOR PULLEY DIAMETER 

RPM MOTOR 

 

CAUTION:    RE-TIGHTEN  ALL  FASTENERS  AFTER  50  HOURS  OF  OPERATION  AND 
CHECK  FREQUENTLY  FOR  BELT  TENSION  AND  CHAFING  OF  HIGH-PRESSURE 
HOSES.   

 

A professional electrician should 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 the batteries minus are connected to the main engine, an additional –wire is not necessary. 
Please seek professional advice when the main engine is isolated from the battery. 

 

Fill the pump with 7.5 oz. / 0.22 ltr. Of  SAE 90 non-detergent, non-toxic crankcase oil. 

 

MEMBRANE HOUSING

  

 

Mount  the  high-pressure  membrane  housing(s)  with  the  provided  brackets  vertical  (with  the  flow 
upwards) or horizontal in a convenient location away from the heat of the engine as close as possible to 
the high pressure pump. 

 

The  membrane  is  sealed  within  its  housing  by  plugs  at  both  ends.    Inside  is  a  small  amount  of 
preservative to keep the membrane moist and prevent bacterial growth.   

 

The efficiency of the preservative, under best conditions, is approximately one year.  

  

When  all  other  components  and  hoses/tubes  are  completely  assembled,  remove  the  caps  on  the  high-
pressure fittings and the sealed tube from the product water outlet on the membrane housing/s and then 
finish making all final hose/tube connections.  This will insure that the membrane is kept moist. 
  

Summary of Contents for Watermakers 1200-BML-3

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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