SRITN12 - page 65

410 RACKMOUNT GC CHASSIS
Orientation
FrontControlPanel
Detector control switches are located at the bottom of each detector
control zone. These are used to switch various detector parameters
ON/OFF,suchasPID lamp,FID ignitor,TCDcurrent,orFPDPMTvolts.
Liquid or gas injection port
for26gaugesyringeneedle
The410 front panel has15control zones.Eachcontrol zonehas threeblackpushbuttonsandoneLED
STATUS indicator,arranged incolumnsacross thefrontcontrolpanel. The410has threegaspressure(EPC)
controlzones,sevendetectorparametercontrolzones(FIDignitor,PIDlampcurrent,etc),andfivetemperature
controlzones.Eachcontrolzoneisadjustedbyatrimpot,locatedonthefrontedgeofthetoppanel(immediately
behindthefrontcontolpanel).Toadjustthelocalsetpoint,pressthatbuttonandturnthetrimpotwhileobserving
theLEDdisplayuntilthedesiredsetpointappears.Ensurethatthe
DISPLAYSELECT
switchison“
ALLBUTTONS
(in theupposition).
LOCALSETPOINT
TOTALSETPOINT
STATUSLED
ACTUAL
The START/RUN button with ready-light
lights up when the GC electronics are
warmed up and ready to perform a run.
Userscanstartarunbypressing thisbutton.
If yourGChasabuilt-in
aircompressor, it’sON/
OFFswitchwillbehere.
Thisswitchactivates the
polishing filterbake-out
cycle: the carrier gas
polishing filter isheated
for5minutes toeliminate
contaminants.
The thermo-couple out
of range alarm LED
indicates when any
heated zone is reading
less than5ormore than
400degreesCentigrade.
When the alarm is
activated, allACpower
to the heaters is shut
OFF by de-energizing
themainpower relay.
The bright LED digital display window shows
columnoven temperature,detector temperatures,
gaspressures,anddetectorparameterssucha
FID ignitor volts, PID lamp current, FPD PMT
voltage,etc.Thedisplayselectorswitchandzone
push buttons allow the user to choose which
information isdisplayed in thewindow.
The display selector
switch letsyouchoose
between constant
display of the column
oven temperature
(downposition)and the
display of any zone
SETPOINTorACTUAL
when the specific
buttonon the frontpanel
ispushed (upposition).
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