WeatherTRAK ET Pro3 Getting Started Manual - Learning Station Flow
WeatherTRAK Flow Reference Guide
©2013HydroPointDataSystems,Inc.Allrightsreserved.WTETP3FRG0513
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Set Leak Detect Threshold and Delay
The controller will continuously monitor for leaks when irrigation
isoffandduringscheduledirrigationwithlongsoakperiodswhen
noirrigationisactuallyoperating.Thecontrollerwillsimplypostan
alertofaleak,butthecontrollerwillnottakefurtheraction.Usethe
“ExtendedLeak”featuretoisolatethemainlinewhennormallyopen
mastervalvesareinuse.
Presstheplusorminusbuttontoincreaseordecreasethefactoryde-
faultvalueof15GPM.PresstherightarrowbuttontoselecttheDelay
Period.Thisvaluecanbechangedbypressingtheplusorminusbut-
ton.Presstherightarrowtomovetothenextscreen.
Set Extended Leak Delay
This feature is exclusive to irrigation systems that incorporate nor-
mallyopenmastervalveswherealeakisdetected.Correctiveaction
isneededtopreventwaterwastageorpropertydamagefromsatu-
ratedsoilfromacontinuousleak.
IfaleakpersistsbeyondtheLeakDetectdelayperiodandthenbe-
yondtheExtendedLeakDelayperiod,thecontrollerwillimmediately
postanExtendedLeakAlertandcloseanormallyopenmastervalve.
Anexampleofhowthisworksmightbewhenawindowwashercon-
nectsintoaquickcouplerontheirrigationmaintofillbucketsofwa-
terinordertowashwindows.Fillingthebucketsinitiallymaycause
aLeakDetectAlert.IfthewaterisleftonbeyondtheExtendedLeak
delaytimeperiod,thecontrollerwilltakecorrectiveaction.
TheExtendedLeakalertallowsnormalirrigationtooccurassched-
uled.Ifthewindowwashercorrectstheconditionbyturningthewa-
teroff,thecontrollerwillautomaticallyclearthealertafterthenext
irrigationcycle.
While remaining in the“Leak Detect” screen press the right arrow
buttontothefieldfollowing“+”toselecttheExtendedLeakDetect
DelayPeriod.Thisvaluecanbechangedfrom“Off”toaselectedvalue
bypressingtheplusorminusbutton.Therangeis1-240minutesin
one-minuteincrements.Presstherightarrowbuttontomovetothe
nextscreen.
Set Station High Flow Offset %
Thestationhighflowthresholdvaluecanbesetusingapercentage
thatappliesgloballyforallstations.Thepercentagerangesfrom5%
to80%aboveeachstation’s“LearnedFlow”or“AssignedStationFlow”
(ASF)value.Thepercentagevaluecanbesetin5%increments.
Press the plus or minus button to increase or decrease the station
highflowoffset%.Presstherightarrowbuttontomovetothenext
screen.
Note:TheStationHighFlowOffsetisusedinthefollowing
“StationFlow”submenu.Thissubmenuletstheuserconfigure
eachstationwitha“learnedflow”valueusingtheoffset,orwith
aspecificuser-definedthresholdGPM.
View Station Flow
Inthissubmenuthecontrollerwilldisplaya“learnedflow”valueor
“AssignedStationFlow”(ASF)foreachstation.Thisvaluecanbe(a)
avaluemeasuredduringlearning,or(b)auser-definedvalue.Ifthe
stationscreendisplays“Unk”,thevalueisnotlearnedoruser-defined,
andis“unknown.”
Use the arrow buttons and plus and minus buttons to navigate as
follows:Ifthe“AssignedStationFlow”istobeedited,presstheplus
or minus buttons to set a user-defined value. If a value has been
“learned”andtheASFisnotcurrentlythe“learned”value,thiswillbe
indicatedonthethirddisplayline.The“learned”valuecanbesetby
pressingthe*button.
PresstherightarrowbuttontoselectStationHighFlowThreshold
(SHFT).Thisvaluecanbesetto(a)theASFvalueplustheOffsetset
previously,or(b)auser-definedvalue.Presstheplusorminusbutton
tosetauser-definedvalue.IftheASFvalueisnot“Unk”,pressingthe
*buttonsetsSHFTtotheASFplusoffsetvalue.Presstherightarrow
buttontomovetothenextstation.
Learning Station Flow
Select Stations to Learn Flow
ThissubmenuletstheuserselectstationsonwhichtoLearnFlow.
Thefactorydefaultis“NoLearnStations.”Learningeachstation’sflow
rateisrequiredforthecontrollertooperate,storeandthencompare
foraccurateflowmonitoring.Oneormorestationscanbeselected.
Pressingthe*buttonwillalternatebetweenselectingallstationsand
selectingnostations.
Note: Ifastation’sflowratehasbeenpreviouslylearned,the
controllerwillonlydisplaythemostrecentlylearnedvalue.
Theglobalstationoffsetpercentageisappliedtothisvalue.
ToselectastationtoLearnFlow,presstheSELECTbuttontoviewthe
first8stations.Presstheplusorminusbuttontochangethevalue
underthecorrespondingstationnumberof“—“to“LF”forLearnFlow.
Presstherightarrowbuttontomovetothenextstation.Repeatthis
processasoftenasneeded.Presstherightorleftarrowbuttontothe
end(ineitherdirection)toexitthesubmenu.
Set Delay Before Learning
Thisdelaytimecorrespondstohowlongthecontrollerwillallowflow
tostabilizebeforerecordingastation’slearnedflowvalue.Another
waytothinkaboutthisisselectingthestationsrun-time.Thisisa
globalsettingappliedtoallstationsthatarelearning.Ifsomesta-
tionsrequirealongerdelayperiodtoensureaccuraterecording,they
willneedtobelearnedseparatelywithalongerdelayperiod.Allow-
ingtoolittletimeforlearningcouldleadtofalseHighStationFlow
Alerts.
Therangeofthedelayperiodis3-10minutesin1-minuteincrements
andthefactorydefaultvalueis3minutes.