11.17 water and waste Flashcards
what 3 subsystems is water and waste divided into
potable water, toilet system, water waste
what is used to pressurise the potable water system
water tank pressurisation system
what does the potable water system do
stores, delivers, monitors, controls potable water
how is potable water transported
using pressure
where is the pressure relief valve located in the potable water system
between the pressure switch and storage tanks
what is potable water transported through
supply lines and valves
where is servicing of the potable water system done from
water service panel
whats the function of the quantity control unit
automatically stops water once refilling is complete
what does the header do in the lavatory
distributes water to the toilets
what does the mixer valve do in the lavatory
mix hot/cold water
how is the faucet assembly controlled in the lavatory
infrared or mechanically
how many lenses does an infrared faucet have
2
what are the 2 types of toilet waste systems
flush motor, vacuum system
what is the usual toilet flush time
8-12 seconds
what type of motor is the flush motor
high power 3 phased motor
