ECD FCA-22 - Start up; Calibration; Temperature Sensor

FCA‐22InstructionManual
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Page8
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StartUp
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Supplysampleflowtothesystem.Adjustthesampleflowuntil thewaterisoverflowingintothecentra l
overflowtube.Athigherflowratestheexcesswaterwilloverflowdownthedrain.Aminimumflowof
10 gal/min is required to maintain the overflow condition.Verify the sample flow is passing  throug
h
bothflowcellsandreturningtothe drain.TheChlorineSensorrequires1‐1½hoursofpolarizationby
the instrument before accurate measurements can be made. Allow the system to run at least 1 hou r
beforeproceedingtotheChlorineSensorcalibrationbelow.
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Calibration
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TemperatureCalibration
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TheTemperature sensorinside thePHS10sensorwascalibratedat thefactory beforeshipping.Verify
thedisplayedtemperatureagreeswiththeactualtemperature.Ifthevaluedeviatesbymorethan2°C
thenadjusttheTemperatureTrim intheConfiguration&TrimMenutothecorrectvalue.Foradetailed
descriptionse
eTemperatureCalibrationintheC‐22manual.
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TemperatureCalibrationScreenShots
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#1EntertheConfigur e/
TrimMenu
ScrolltotheConfigure
MenuusingtheMENU
SELECTkeyandenterthe
Menubysimultaneously
pressingbothHorizontal
CALIBRATEkeys.
#2Scrollthroughthe
PasswordsScreen
PresstheMENUSELECT
downKeyfourtimesto
thenextscreen.
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#3Scrollthroughthe
RelayAssignScreen
PresstheMENUSELECT
downKeyfourtimesto
thenextscreen.
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#4Choose°C/°F&temp
cal
SelecttheMenuby
Simultaneouslypressing
bothHorizontal
CALIBRATEkeys.
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#5ChoosetheTrim°C
Menu
SelecttheMenuby
Simultaneouslypressing
bothHorizontal
CALIBRATEkeys.
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#6AdjusttheTrimto
calibrate
thereading
Usingthevertical
CALIBRATEkeysadjust
thetrimtochangethe
Displayedtemperature
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