5
Reset valve
Depressurization valve
Positioner
Electric box
Depressurization valve. Is used during the air bleeding phase (i.e. at the first system start-up or
after a filter cartridge replacement). This is a blue lever located to the right side of the
watermaker. Its function is to depressurize the system and allow air bleeding. The valve remains
closed during normal working conditions and is opened only during the air bleeding operations.
The lever need only be opened halfway (45°) during air bleeding operations.
Positioner: A stainless steel threaded arm, with a black knob, located on the right side of the
unit. Its function is to reset the unit in start up failure when the unit has been stopped in the exact
centre of a cycle.
Reset valve. It is the small valve located to the rear, right hand corner of the watermaker . It is a
small blue plastic lever. The valve must be closed during normal functioning (lever
perpendicular to the valve). This valve allows resetting in case of a system failure It must be
opened before using the valve positioner.
Computer box. It is a separate component that must be installed outside the watermaker.
To the computer box is connected a smaller grey box containing the electric connections
(computer connections box).
The computer controls the functions of the watermaker automatically. Sited on the computer
box is the by-pass selector switch, this by-passes the electronic controls and allows the system
to be run manually.
Signal pressure switch. It is installed inside the unit, and is connected to the left side on the
main top valve of the ERS. Its function is to check the correct cycling of the ERS. The wires of
the device (5 / +) must be connected inside the computer box.
Active carbons filter (with electro-valve) Its function is remove the chlorine from the fresh
water of the tanks during the automatic washing of the unit. It must be connected to the fresh
water pressurized system of the boat. The electro-valve is piloted directly from the computer
throw the cables 10 and -.
