COMAC ARJ21-700 - Potable Drinking Water Interface

ARJ21-SVV19-13120-00
RampServicingOperation
Instruction
3.Potabledrinkingwaterinterface.
A.Potabledrinkingwaterpanel
(1)Potabledrinkingwaterservicepanelislocatedinthemiddlefuselage,1.93mmeanheight
fromground.
(2)Watertankcapacity:83L.
(3)Maximumllingwaterpressure:3.45bar(50psi)
(4)Eightpositions:
(a)FLIGHTREADY
(b)FILLFULL
(c)FILL3/4
(d)FILL1/2
(e)FILL1/4
(f)PIPEDRAIN
(g)TANKDRAIN
(h)LAMPTEST
(5)Fiveindicatorlightsare:
(a)1/4indicator(TurntheknobtoFILL1/4position.Whenthepotablewatertankislled
to1/4position,theindicatorlightcomesontonotifythegroundcrewofthecompletion
oflling1/4water)
(b)1/2indicator(indicatingthat1/2waterislledandtheprincipleisthesameasthatof
1/4indicator)
(c)3/4indicator(indicatingthat3/4waterislledandtheprincipleisthesameasthatof
1/4indicator)
(d)FULLindicator(indicatingthatwaterislledandtheprincipleisthesameasthatof1/4
indicator)
(e)FAULTindicatorlight(FAULTannunciatorcomesonwhenthesystemhasafault)
B.Potablewatervehicle
(1)PotablewatervehicleshouldcomplywithRDS11-16(ISO/DIS17775)standard.
ARJ21-A-13-12-00-03A-030A-A
Issue001,2023-01-29
Applicableto:ALL
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