Installation Guide - Agilent Technologies
Contents
1. In he hole removet 2 Pass the end of the extension cable through th oblong hole into the signal board space Use small t lade serewdriver to Instal the krommet in the oblong hole Connect the other Leads and the Signal Board 1 Rase the Md to the upright service position and lock it in place by rising he stop plat and tightening the acr 2 Locate the round hole for the PRT and flament lead If there is a grommet in the hole remove t and instal the one from the kit Pass the Ewo PRT lends and the two ament leads through the grommet nto the Signal board space Plug the signal board into the A D converter board and secure it with he signal board camp 4 Connect the and lament leds to the signal board by pressing the orange tabs and inserting the appropriate wires Polarity doesnot matter but the wires must go to the correct of connector PRT lends have light colored insulation Filament leads have thick black insulation esting rm Candy Detectar 6 Gas Const Double check the PRT and filament connections before proceeding An Incorrect connection can damage the detector when power 1s restored 8 switching valve extension cabe no the signa board 8 stil the detector electronic cover and tighten all three screws 7 Lawer the stp plate on the d cum Pull the forward until the cam follower resta the curved surface of the cam Raise the stop piate behind he cam fo2. Installation Guide Thermal Conductivity Detector on a 6850 GC Accessory G2623A Agilent Technologies en Installing a Thermal Conductivity Detector on a 6850 Gas Chromatograph These instructions are divided into two parts Part 11o prepare the Hlectronle Pressure Control CEPCY module for later Installation nto the Agilent 6850 Gas Chromatograph CGC Part 210 perform the actual Accessory installation into the GC Part 1 Preparation of the TCD EPC module Locate the following item found in your Accessory ennn esito Therma Candy Detectar on 05 Gas Const Some of these assembles contain printed circuit boards standard ESD precautions must be followed us tai control wrist strap supplied Connected to a suitable ground in handling the assembles Tg roma Conc Detector on a arm he losing tola ae required for this assembly Tools Required Pic pen end wrench rr Procedure 1 Prepare suitable clean dry satte work area 2 Piace the detector system assembly such that its EPC module is entered in your work area wich tubes oriented away rom you and ita ribban able extending ta the rit 3 Remove dust capa trom the gas connection Stings 4 Instali the back oover onto the three gas tings making sure the label passes through slot provided Loosely secure the cover using 7 16 neh hex mia ame onto each tin tig Therma a
3. connectar not pass through the rubber grommet in the Hole Use small to push the grommet to the top ofthe the cables now fi through the hae etl Termal oct Detector as Cm mim E TCD Unplug te woe switching valve cable at the connector To the and lament wires press on the orange tabe Pass the disconnected cables through the hole to the top side of the 7 Lower the stop plate on the id cam Pull the forward until the cam follower resta on the curved surface of the Leave the stop piate in de down position Close the esting rm ancy Detectar on 05 Gas Cams Remove the Existing Detector and Flow Manifold 1 On the top of the ld loosen the connector cover plate and remove the he TCD manifold similar but has only one gas connection Trace the ribbon cale from the ow manifold and disconnect t from the harness Remove the three manifold mounting screws 8 Remove the screws holding the detector assembly in place WARNING _ etl Termal oct Detect on Cms FID Remove four mounting screws TOD Remove vo mounting crews LAR the detector and low manifold of the d as a unit The brous insulation material used in the Agent 6850 can cause irritation torte skin eyes and mucous membranes Always wear gloves whe working with the Insulation Ifthe Ins
4. ction of the tubing ithe front cover onto the previously installed back cover securing it loosely using tree screws provided two in the pu fittings side and one nthe PC board ade Make sure the ribbon cable and t connector ext through the siot provided nis Tem Conon Detectar na Cumt Add the TCD Switching Valve extender cable 1 Locate the TCD Switching Valve extender cable and two large grommet 2 Connect the extender cable to the TCD Switching Valve able fom the assembled EPC module making sure connectors lock together 3 Loop the fre end of the combined cable through the grommets to hold them in place This completes module preparation for this Accessory Thema Condy Detectar on 05 Gas Croata Part 2 Installation of the TCD Accessory Tue t contains Temas T reos ri on comit A ett ha done D The TOD assembly iaa factory assembled tested and calibrated unit Disassembly of the unitis not required for installation etl Conc Detect on as Cm rn E Tools Required Oper and wench Safety Information Before continuing read the safety Information on your Agilent 6850 Gas chromatograph User Information CD ROM rm Condy Detectar on 658 Gas Const Prepare for Installatie Before proceeding turn off the oven and any heated zones and let them cool down Tur of all detector gases at thet suppli
5. es hen um of the mala power switch and unplug the power cond 1 Open the A If a column is installed disconnect it at the detector end Remove the nut warmer insulation and capillary adapter presen Close the d 2 Tarn all gases at thelr sources Disconnect the carrier and detector gna tubing rom the back panel of the Instrument etl Termal Cnty Detector on as Cem pos Disco 1 Trace the detector enter senso cable to the wiring harness near the Injection port cooling fan 2 Disconnect the cable Raise the Lid to the Service Position 1 Open Locate the counterbalance eam in the left rear corer under the ld Loosen te serew on the right aide of the cam allows de stop plate to drop down esito Therma ancy Detectar on 5 Gas Cams 2 Rabe the ld unt it is stopped by the safety cable 3 the stop plate and tighten the serew to lock the in the upright service position WARNING he wats heavy Always lock the ld when it is in the service potion nis Conon Dto 81 Os Remove the Detector Electronics Cover 3 and remove the detector electronics cover esto Thom ancy Detectar 05 Gas Cams plug the signal board from the A D converter board Disconnect the wiring rom th signal board FID Disconnect the ribbon cabe Unplug the ignitor cable Pass both Cables through the hal to the top side o thelid cable
6. llower and Ughten the screw Close thet 9 Instali the op cover ishing Up 1 M not already present make an external connection between the carrier gas supply and the Reference Makeup gas tng onthe ack af he instrument Install the capillary adapter if used Restore the column connection Restore carrier gas to the instrument Restore power Apply your normal operating pressures Leak check the manifold back panel and column fittings pape 52 Agilent Technologies an ci Pte SA
7. ncy Detectar on 5 Gas Const Install the TCD Swiching Valve cable Locate the TCD Switching Valve extending from the EPC module And tie a knot n strain relief approximately 30 35 mm 12 T4 n rom the connector Locate the supplied amali black grommet it vertically on one side and fitit around the cable wires such that he grommet ia located between the connectar and your tied iat Instali the grommet and cable into the hole provided in the cover A smali fat biade or almar tol may be useful in properly Seating the grommet into ts hole netting Conti Prepare the module cable 1 Beorient the module such that the ribbon cae is upwards and gas are to the let 2 Fold the cable fest to the left and gently crease the PC board to maintain the direction Then fold the cable back on ef to the right sod make etie crease such that the second fada ust inside the just installed tack cover rm ancy Detectar on 5 Gas 3 Next fold and gently crease the cable back on oe again but at an angie such that now extends at 9O degrees away fom you in the direction of tubing rom the module mc Detector on emo correct done the cable and t folds will be entirely within the body fe module and the Tree end of the cabe and t connector extend from the module in the dire
8. ulation 1a Raky erumbiy wear protective eyewear and a respirator T Remove any insulation that may be in the hole under the detector Install the Thermal Conductivity Detector and Flow Manifold 1 Piace the bottom insulation in the detector hole Align the flat ades parallel to the sides of the ld 2 Slide the senl insulation onto the bottom af the detector Align itto Cover the detectar bottom esito Tr ancy Detectar on 5 Gas Const Secure the detector assembly to the d with two screws 5 Secure the mao to the 114 with three screws amp Plug the manifold ribbon cable into its connector under the connector cover Install the two connector cover plates 8 Connect the gas supply labeled M to the center fiting on the fow anita mc Denton as umts The gas labelled Hi plumbed to the hydrogen supply Be sure to plug hs ine to prevent accidental release of hydrogen Into the Instrument 9 The Aand H gas Ines are not used with the TC detector If they are not iready plugged plug them with the bras plugs and push them dows nto the space under the manifold ft ngs Avoid kinking the tubing Connect tho Heater Sensor Cable Connect the detector heater sensor cabe to the wiring harness near the injection port cooling fan Instali the Switching Valve Extension Cable and Grommet 1 Locate the oblong hole for the switching valve extension cable I there isa grommet
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