Aqua-Base ESW Serie Manuel De L'utilisateur page 23

4 – INSTALLATION OF WATERMAKER
4.1 – PREPARATION
The hull fitting and the hull valve (V0) are supplied and installed by the shipyard.
The seawater feed hull fitting (EdM) should be placed as low as possible below the water line, in an area always immersed whatever the
boat's navigation speed may be.
The hull valve (V0) should be placed on the seawater supply pipes (internal 20 diameter Embedded steel spirale reinforcement), as close as
possible to the hull fitting.
The reject hull fitting (R) should be placed above the water line.
NOTE: It is recommended to connect the seawater suction line of the reverse osmosis unit to a dedicated line without any function other than
the power supply of the R/O unit in order to avoid inadvertent dewatering related to other equipment.
 See the inbord installation in appendix
4.2 – PLACING THE UNIT
 The Hydraulic amplifier and membrane: The main module should be bolted onto a rigid surface. The main module can be
installed in either vertical or horizontal position.
 Seawater intake (Minimal Ø ¾"): The through-hull must fit to the size of the hoses, as specified in the installation diagram. The
through-hull must be installed as deep as possible, towards the middle of the boat. Extra care must be used if the Watermaker is
operated while the boat is moving because of the risk of running dry or having the pump cavitating.
 The sea strainer: The sea strainer should be near to the hull valve and imperatively fully charged with seawater (if installed
horizontally: position bowl down).
 The 5µ filter: The filter should be installed using the provided support, vertically against a wall. If necessary, they can be slightly
tilted.
 The auxiliary tank: This auxiliary tank (bucket) is used for rinsing, cleaning and preservation operation. See "Watermaker
shutdown".
 The low pressure pump (LP): The Low Pressure pump (LP) should be installed between the sea strainer and the 5µ filter and
below the water line (at least 200mm) to avoid any trapped air. If this instruction is not followed, we cannot guarantee the good
operation of the unit.
 The vaccum switch: Connect the red hose (4x6) vaccum switch (VS28) at the input of the low pressure pump (use the 5m hose
supplied by SLCE). Electrically connect the vaccum switch (see below).
4.3 – ELECTRICAL CONNECTION
- The AQUA-BASE unit is equipped with a circuit breaker ensuring its protection and security. This doesn't ensure the
protection of your installation, which should be equipped with devices conforming to the current legislation.
- No other equipment should be electrically fed from the AQUA-BASE UNIT box.
- Check beforehand that the unit voltage corresponds with the network.
ESW301
2 x 6mm²
12VCC
20A maxi
ESW601
2 x 10mm²
12VCC
50A maxi
ESW901
2 x 10mm²
12VCC
50A maxi
 See electric drawing in appendix
Warning:
A decrease of wire section or an increase of length create a loss of voltage in the terminals of the electric motor, and a decrease in
the performance of the system (contact your dealer if necessary).
Connecting the vaccum switch
Connect the wires (12/13) from the electrical box to the vaccum switch: NC contact 
For this open the vaccum switch cover and connect the two wires 12 and 13.
Max length
10m cable
or 20m wire (return)
4m cable
or 8m wire (return)
4m cable
or 8m wire (return)
U:\Affaires\Aqua-Base\ESW\09- Manuels Utilisateur\DOC UTILISATEUR ESW FRUKES 2023-06-Y3.doc
ESW302
2 x 6mm²
24VCC
20A maxi
ESW602
2 x 10mm²
24VCC
30A maxi
ESW902
2 x 10mm²
24VCC
30A maxi
Max length
10m cable
or 20m wire (return)
10m cable
or 20m wire (return)
10m cable
or 20m wire (return)
FR/UK/ES Page 23/52
VERSION 2023-06-Y3