11.17 Water/ Waste Flashcards
The portable water is stored in water tanks, what are they made from?
Glass fibre reinforced plastic
Where are the portable water tanks located?
In the pressurised underfloor area of fuselage
The temperature adjustment knob allows what temperature of warm water?
From 26 degrees to 43 degrees
In each lavatory there is a faucet assembly, what does this do?
Gives a flow of hot or cold water/ mixture
How do we isolate the water supply if there is a leakage?
Manual shut off valve
What provides hot water to the water basin?
The water heater
When does the pressure relief valve open automatically?
When the pressure in the heater increases to more than 140psi
The portable water system needs pressurisation, where is this supplied from?
Bleed air from pneumatic system
How do you prevent dirty air supply entering the portable water system?
Air filter in both supply lines
How is the servicing in the portable water system done?
From a water service panel
How does the quantity detection work?
Controlled by quantity control unit
What two sub systems does the water disposal system have?
. Waste water system
. Toilet waste system
How many central waste tanks does a vacuum toilet system have?
2 or more
In cargo compartment area
In a vacuum toilet system how long does the motor operates flush valve open for?
4 seconds and the waste goes to the tank
What does the anti - solienoid valve do?
Is a check valve that prevents back flow of water from the water into the portable water system
