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Alternative 2: Above the waterline
•
For maximum convenience it is strongly advised to use a 19mm in-line
non-return valve which will ensure that the pump stays primed in between
usages. The non-return valve should be installed next to the seacock.
•
Run the inlet hose by the most direct route from the inlet seacock via the
non-return valve to the flushing pump inlet tail.
•
Run the outlet hose upwards with 20cm as close as possible from the
discharge elbow to retain water in the bowl after flushing.
•
Connect the outlet hose to the discharge seacock or the holding tank
! Do not apply heat or flame to hoses to fit the hose onto the toilet tail or seacock!
! The discharge elbow of the flushing pump may be rotated 360° to suit your installation. Always slacken the elbownut, adjust the discharge
elbow to the right position and retighten the nut before connecting the hose to it.
! Caution: failure to follow this procedure may result in leaks between the discharge elbow and the pump cylinder.
! Do not connect the toilet to the vessels potable water for its source of supply. To do so can result in contaminati on of potable water supply. If
fresh water is preferred for flushing, provide a separate fresh water tank to supply water to the toilet.
! Do not connect inlet hose to a pressurized water system.
Testing
Refer to the operating instructions and follow the procedures for normal use.
SAFETY
! Ensure that these instructions reach the owner, the skipper or the operator of the craft, as it contains important safety information on
completion of installation:
! CLOSE BOTH SEACOCKS ! see 2.1(open) & 2.2 (closed)
Installation instructions
Safety notices
If the installation of the toilet results in being connected to any through-hull fitting that may possibly be below the waterline whether when the craft is
at rest, underway, heeling, rolling or pitching, you must install the toilet in accordance with the present installation instructions. Failure to follow such
instructions may cause water to flood in, which may result in loss of life.
! Accidental damage
If the toilet is connected to any through-hull fitting and if the toilet or the pipework is damaged, water may flood in, causing the craft to sink with a
consequent possible loss of life. For this reason, if you are making connections between the toilet and any through-hull fitting that may be possibly
situated below the waterline. Full-bore seacocks must be fitted to such hull fittings, to allow them to be shut off. The seacocks must also be positioned
where they are easily accessible to all users of the toilet. If, for any reason, it is not possible to do it, then secondary full-bore marine quality valves must
be fitted to the hoses where they are easily accessible.
! Caution
Use seacocks! Use lever operated, full-bore marine seacocks and valves. The use of screw-down gate valves is not recommended.
! Pipework loosing
All pipework must be fastened both in the gate side and in the remaining ones with a stainless steel hose clamp. Please keep in mind that an eventual
leak might cause the craft to sink, with consequent loss of life. Use hose clamps! Preferably two pieces per connection!
! Bowl rim below the waterline
If the toilet is connected to any through-hull fitting and if the rim of the bowl falls below the waterline, water may flood in, causing the craft to sink,
which may result in loss of life. Therefore, if the rim of the toilet is less than 20cm (8") above the waterline when the craft is at rest, or if there is any
possibility that the rim of the bowl may be below the waterline at any time, a vented loop must be fitted in any pipework connected to a through-hull
fitting, irrespective of whether inlet or outlet.
Use vented loops!
image 2.1
image 1.2
20 cm
8"
image 2.2
4
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