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4
–INSTALLATION
COD.
30Z12/24.B.2021
EN
THE PRESENT MANUAL BELONGS TO -
Schenker Italia
- ALL RIGHTS RESERVED
22
Pre-existing
seacock
adapting
(alternatively)
As alternative, it is possible to use a Tee fitting into a
pre-existent water inlet as long as the following
conditions are satisfied:
•
3/4
’’ minimum size
.
•
The fitting must be located both low and central
in the hull and not forward of the keel.
•
No air can be introduced into the system from
other use ie: salt water taps in galley.
•
Must always be under the water surface even
when the vessel is well heeled over.
•
Must be far from WC discharge.
CAUTION
Do not use the pre-existing water inlet of
the cooling system dedicated to the
motor.
Size 3/4
”
INSTALLATION NOTES
•
Allow a minimum 3/4
”BSP on-off ball valve on the water intake.
•
The hose connections, especially if under the seawater level, must be secured with double hose clamps.
•
An easily inspected mesh type filter will be required close to the water intake. The filter has to be of 50 Mesh.
It is possible to use filters from existing outlets.
•
The seawater intake must be at least 3/4
” size.
INSTALLATION NOTES
The strainer has to be connected close to the through-hull, and must be easily accessible for
inspection.
4.3.3
Fresh water connection for flushing
Fresh water
connection for
flushing
It is necessary to use a tee fitting downstream the
fresh water pressure pump of the boat.
The following conditions must be respected:
•
The flow of the fresh water pump must be
min 6 lit/min at 1 bar.
•
Flushing must always be performed with
the fresh water pump ON.
Fresh water pump of the boat:
Min. flow rate 6 lit/min. at 1 bar.
4.3.4
Brine discharge
Discharge
connection
The discharge connection (back to the sea) has
to be possibly above the sea level. Minimum size
½’’ BSP
Minimum size
½’’BSP
It is possible to use a tee fitting on existing
discharge hoses (ie: tap discharges) provided
that there are no returns of dirty water back to the
watermaker.