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3. Operation
3.2. First start-up procedure
The first start-up procedure should be followed when starting a new plant for the first time or
when restarting after laying up.
Preliminary checks:
Check that the reset valve is closed (lever orthogonal to the body valve) and the positioner
unscrewed.
Check that 5 micron filter cartridge is installed in the cartridge holder, and screwed on
tightly.
Check that the seacock and the waste water drain valves are open.
Check that the valve on the active carbon filter is opened.
Check that the vessel's pressure water pump is on.
Check that the vessel's fresh water tanks have enough water in them to perform the first
washing operation.
Start-up procedure:
1.
Open the depressurization valve at approx. 45° (halfway).
2.
Push for 20- 30 sec the red push-button located on the CA filter in order to purge the air from
the filter.
3.
Leave both selectors PUMP1 PUMP2 and AUT WASHING not selected (vertical lever).
4.
Push the push button MAN WASH. Now the electrovalve opens, filling with fresh water the
water inlet hose. After 20 seconds the red light STOP will flash. Recognize this alarm
pushing the push button STOP. Repeat this step again.
5.
Connect the by-pass, by turning the switch clockwise (the START push-button green pilot
light comes on).
6.
Start the first pump acting on the PUMP1 selector. After approx. 2 minutes start PUMP 2
and turn off PUMP 1. Leave PUMP 2 on for approx. 2 minutes and then start again also
PUMP 1, for further 2-3 minutes. Turn both pumps off.
7.
Disconnect the by-pass by turning the selector anticlockwise (the START push-button green
pilot light turns off).Close the depressurization valve (vertical position of the blue lever).
8.
Activate AUT WASHING and both pumps, and then push START. The system starts going
under pressure and the fresh water production begins.
9.
Verify that there are no water leaks in the hose connections. In such case, fasten the hose clamps
further. Stop the system pushing STOP. The machine will not stop immediately, but will
perform before an automatic washing.
Warning: the electronic computer is equipped with a minimum voltage block calibrated at about
10,8 volt (12 VDC systems) and at 21,8 volt (24 VDC systems).
This protection is necessary to avoid potential battery damage and interference with the
functioning of other equipment ie: Navigation aids.
When starting the watermaker there is a short surge of power greater than the normal
consumption of the unit. If the vessel's batteries are low the computer may shut down the unit
disabling the unit under electronic control.
This can be confirmed by looking at the LED on computer, inside the Computer Box. In normal
conditions this LED is green. If the shutdown is due to insufficient voltage, the LED turns red for
a few seconds. In this case check the battery voltage.
In this case (low voltage) the watermaker can also be switched on, in manual mode, by turning
on the by-pass, or in electronic mode by starting one pump at a time (turn selector PUMP 1,
press START, after few minutes turn selector PUMP 2).
