EVAC reserves the right to make alterations to this specification without prior notice.
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EVAC
Commercial Marine Equipment
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VA
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ACUUM
CUUM
CUUM
CUUM
CUUM T
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TOILET
OILET
OILET
OILET
OILET
OPERATION AND MAINTENANCE
Date:
Doc.
04 Aug 2008
3:01021C
5979301
EVAC 90, SQUATTING TOILET
Control tubing key
Operation
The squatting toilet is flushed by pressing a push button. The pneumatic push button is connected to the control
mechanism with a control hose, which transports the air pulse from the push button to control mechanism. The air
pulse starts the flushing cycle and connects vacuum to the water valve and a discharge valve.
The water valve opens and lets rinsing water into the squatting bowl through a hose nipple. After a short delay, the
vacuum acts in discharge valve housing and forces the rubber diaphragm in discharge valve to open, thus connecting
the squatting bowl to vacuum sewer. The contents of bowl are forced into the vacuum sewer by a pressure difference
between the bowl and vacuum sewer.
The flushing cycle in the control mechanism starts the closing cycle. Athmospheric air pulse enters the discharge
valve, which closes. After a short delay, athmospheric air pulse reaches water valve, which closes and lets a certain
level of water at the bottom in the bowl.
After the flushing cycle has stopped, the push button and system will be ready for next flush.
Pneumatic push button
Water valve
Water supply connection
Control mechanism
Squatting pan
Hose nipple
Mini-check valve
Discharge valve
