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06
WaTER SySTEmS
USE OF THE HOLDING TANKS
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The tanks are accessed via the floors of the port and starboard
passageways.
Monitor the levels in the black water tanks using the touch screen in
the cupboard on the side of the chart table.
Managing tank levels:
An audible alarm with date capture button warns the user of a high
level in one of the tanks.
The level control panel (connected to a separate gauge system) lets
you identify which tank to drain.
The black water tanks are drained by two electric pumps.
Make sure the drain valves of the tank are closed in order to avoid any
inadvertent discharge (the valve is closed when the handle is perpen-
dicular to the hose).
Each tank has a drain redundancy system.
- Either 2 pumps connected to the same tank, (configuration 1 tank
per float)
- Or 1 pump for each tank, with a by-pass system (configuration 2
tanks per float).
Draining the tanks:
- Switch on the On-board 12 V circuit and open the tank's drain valves
(accessed via the floors in the passageways).
- In an authorised area, press the switches located on the electrical
panel on the side of the chart table.
Never leave the pumps to idle.
WaRNING
In some harbours or countries, wastewater disposal is forbidden. you will
then have to use the waste tank.
Use the suction systems in marinas to empty your holding tank.
In order to respect environment, do not discharge your holding tanks near
the shore.
When you reach a port with an organic waste suction system:
- Fit the suction hose into the tank via the corresponding deck hole
(see locations on the diagram on the previous page).
- Start the pump of the suction system.
CLEANING THE BLACK WATER TANKS
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The risk of generating unpleasant odours increases when sewage re-
mains in the tank for long periods of time.
- Empty the tanks regularly and as soon as possible without waiting
for them to fill.
- Each time you drain the a tank, fill it with approx. 5 litres of fresh
water and add an appropriate detergent additive (available from ship
chandlers).
The simplest solution is to add some bicarbonate of soda that cleans
and disinfects at the same time.
Before wintering, rinse the tank well with fresh water, filling it via the
"WASTE" deck hole, and then drain it completely.
DISINFECTION
- Disinfect the tank once a year by filling it with a bleach solution (ratio
1 : 1000).
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