
Overview
Overview Overview
Overview
ThepurposeoftheXPPressureTrakistoshutdown
thesprayerifabnormalpressureconditionsare
detectedinordertopreventsprayingmaterialthatis
notmixedonratio.
TwopressuretransducersreadtheAandBuid
pressuresintheoutletmanifoldandsendthe
readingsbacktotheXPPressureTrak.
TheXPPressureTrakmonitorsthedifference
betweentheAandBuidpressures,alertingthe
userwhenanimbalanceisdetected.Animbalance
maybeduetoaplug,leak,orrunningoutofuid.
Whenanimbalanceisdetected,theelectricsolenoid
disablestheairmotor,analarmisdisplayedon
thescreen,andtheLEDonthefrontofthedisplay
ashes.Formoreerrorcodeinformationsee
Alarms,Deviations,andAdvisories,page14.
Thefollowingalarmscanoccur:
•DifferentialPressure(B>A)
•DifferentialPressure(A>B)
•PressureAHigh
•PressureBHigh
•ElectricSolenoidDisconnected
•PressureADisconnected
•PressureBDisconnected
•LowBattery
•BlownFuse
Operating Operating
OperatingWindow Window
Window
Below Below
BelowMinimum Minimum
MinimumSpray Spray
SprayPressure Pressure
Pressure
Theairmotorisallowedtoautomaticallyoperatein
CirculationModeanytimetheuidpressuresare
belowtheminimumspraypressure.Thisallowsfor
loadingthesystemandcirculatingtheuidswithout
alarmsorshutdowns.
Above Above
AboveMinimum Minimum
MinimumSpray Spray
SprayPressure Pressure
Pressure
WhentheXPPressureTrakdetectstheuid
pressuresabovetheminimumspraypressurefor
30seconds,andthepressuresarebalancedwithin
thepre-setlimits,itwillautomaticallystartpressure
monitoring.IftheXPPressureTrakdoesnotsee
balancedpressureswithin30secondsofgoing
abovetheminimumspraypressure,itwilldetectthe
faultanddisabletheairmotor.Thedefaultminimum
spraypressureis2000psi(14MPa,138bar).Enter
SetupModetochangetheminimumspraypressure
asnecessary(seeSetupModeDetails,page22).
Maximum Maximum
MaximumSpray Spray
SprayPressure Pressure
Pressure
TheXPPressureTrakwillalarmandshutdownif
itdetectseitherAorBuidpressuresabovethe
maximumworkingpressure(seetablebelow).Enter
SetupModetoreducethemaximumallowable
pressuresetpoint(seeSetupModeDetails,page22).
Model Model
ModelMaximum Maximum
MaximumWorking Working
WorkingPressure Pressure
Pressure
17C807
17C808
7250psi(500Bar,50MPa)
17N9367500psi(520Bar,52MPa)
4
3A3320D