Agilent Installation Guide Split/Splitless Capillary Inlet
Contents
1. Installation Guide Split Splitless Capillary Inlet Accessory 19251A EE Agilent Technologies Agilent Technologies 2000 All Rights Reserved Reproduction adaptation or translation without permission is prohibited except as allowed under the copyright laws Part number 19251 90117 First Edition DEC 2000 Replaces Part No 19251 90110 Operating and Service Manual HP is a registered trademark of Hewlett Packard Co Printed in USA Safety Information The Agilent Technologies Split Splitless Capillary Inlet meets the following IEC International Electrotechnical Commission classifications Safety Class 1 Transient Overvoltage Category Il and Pollution Degree 2 This unit has been designed and tested in accordance with recognized safety standards and designed for use indoors If the instrument is used in a manner not specified by the manufacturer the protection provided by the instrument may be impaired Whenever the safety protection of the Agilent 19251 has been compromised disconnect the unit from all power sources and secure the unit against unintended operation Refer servicing to qualified service personnel Substituting parts or performing any unauthorized modification to the instrument may result in a safety hazard Disconnect the AC power cord before removing covers The customer should not attempt to replace the battery or fuses in this instrument Safety Symbols Warnings in the manual2. main circuit board Heater and sensor wires must be connected to matching heated zones INJ A sensor on P7 and INJ A heater on J9 or INJ B sensor on P7 and INJ B heater on J9 Connect the heater and sensor leads to the instrument main circuit board as follows Installing the Split Splitless Capillary Inlet Accessory 19251A Installing the Inlet 9 Agilent 4890 Series and 5890 SERIES II Connect the sensor leads white to P7 Connect the heater leads red to J9 Connect the purge valve leads orange red to P8 polarity in this case does not matter 4890 Series and 5890 SERIES II Main Circuit Board Sensors Position 7 amp 8 Inj A position Position 9 amp 10 Inj B position Position 3 amp 4 Purge A Position 5 amp 6 Purge B 000000 000000 1 Orange and red Heaters 1 J omora z a Ate IN Bd amp wires tft Nt 4 ee Re eee pc 5 1 Jasa beers li DETA 14 Position 5 amp 6 Inj A position Position 3 amp 4 Inj B position Installing the Split Splitless Capillary Inlet Accessory 19251A Installing the Inlet 10 Agilent 5890A Connect the sensor leads white to J7 Connect the heater leads red to J9 Connect the purge valve leads orange red to J8 polarity in this case does not matter 5890A MainCircuit Board FCoocoo ap Motor 783 ven Flap Motor 984 ven Flap Motor 11812 Orange and Red alU JC Heaters I lom a2 IIHT 5 364 JINI A 586 Det Bas Det
3. or on the instrument must be observed during all phases of operation service and repair of this instrument Failure to comply with these precautions violates safety standards of design and the intended use of the instrument Agilent Technologies assumes no liability for the customer s failure to comply with these requirements WARNING A warning calls attention to a condition or possible situation that could cause injury to the user CAUTION A caution calls attention to a condition or possible situation that could damage or destroy the product or the user s work Sound Emission Certification for Federal Republic of Germany Sound pressure Lp lt 68 dB A During normal operation At the operator position According to ISO 7779 Type Test Schallemission Schalldruckpegel LP lt 68 dB A Am Arbeitsplatz Normaler Betrieb Nach DIN 45635 T 19 Typpriifung Agilent Technologies Inc 2850 Centerville Road Wilmington DE 19808 1610 USA Installing the Split Splitless Capillary Inlet Accessory 19251A WARNING Hydrogen H3 is flammable and an explosion hazard when confined in an enclosed space for example the oven In ANY application using H turn off the supply at its source before working on the instrument Caution The insulation on the GC is made of refractory ceramic fibers Ventilate your work area Wear long sleeves gloves safety glasses and a disposable dust mist respirator Dispose of insulation in a sea
4. A 980 SIG SOS Soe Installing the Split Splitless Capillary Inlet Accessory 19251A Restore the GC to Operation 11 Install the lower insulation cup and insulation over the inlet inside the oven Secure the cup using two M4 screws provided Restore the GC to Operation For additional information on the steps below see the Agilent 4890 GC Operating Manual 1 Install the column 2 Restore carrier gas flow and leak test the new connections 3 Ifthe system is leak free reinstall the panels and covers Reconnect the instrument power cord and restore power fee Agilent Technologies Printed on recycled paper This product is recyclable Agilent Technologies Inc Printed in USA Dec 2000 19251 90117 90
5. ary Inlet Accessory 19251A Installing the Inlet 3 Install the inlet from the top of the oven Secure the inlet with two M4 screws 4 Remove the flow control label plate in the injection port A or B location The plate is glued in place and is removed by pushing it firmly through openings in the back of the flow panel to get it started then pull it free 5 Place the provided self adhesive split splitless flow plate in the space where flow control components for the inlet are to be installed Caution Avoid sharp bends in the tubing A tight bend radius may crimp the tubing 6 There are two threaded studs on the back of the main flow panel for installing the inlet flow module Place the flow module assembly on the WARNING Installing the Split Splitless Capillary Inlet Accessory 19251A Installing the Inlet studs securing it with a M4 hex nut on each stud Use a 7 mm nut driver to tighten the nuts Split Splitless Capillary Flow module Ce N x amp Carrier gas inlet fitting Hydrogen H is flammable and an explosion hazard when confined in an enclosed space for example the oven In ANY application using H turn off the supply at its source before working on the instrument T Using 1 8 inch OD copper tubing connect the carrier gas supply tube to the carrier gas inlet fitting Route the heater and sensor leads through the instrument rear plastic tray to the
6. ecuring it to the instrument T 10 Installing the Split Splitless Capillary Inlet Accessory 19251A Preparing the Instrument Remove the two screws securing the left side panel along its bottom edge Left side panel Slide the left side panel towards the rear of the instrument and lift Remove the electronics carrier top cover by grasping it at the rear and lifting upwards until its catch releases then pull it towards the rear of the instrument Remove the right side panel by removing four screws two each along its top and bottom edges Installing the Split Splitless Capillary Inlet Accessory 19251A Preparing the Instrument 11 Remove the back cover of the instrument by removing four screws and sliding the cover off the rear of the instrument LLL UL LL LL LL MUNIN UHIN WU ZAM Screws Caution Installing the Split Splitless Capillary Inlet Accessory 19251A Installing the Inlet Installing the Inlet The insulation on the GC is made of refractory ceramic fibers RCF Ventilate your work area Wear long sleeves gloves safety glasses and a disposable dust mist respirator Dispose of insulation in a sealed plastic bag 1 If present remove the cover plate from the inlet mounting location Remove enough insulation to allow the injection port to fit 2 Plug the opening at the inlet bottom to prevent contamination Installing the Split Splitless Capill
7. led plastic bag Preparing the Instrument WARNING Hazardous voltages are present in the instrument whenever the power cord is connected Avoid a potentially dangerous shock hazard by disconnecting the power cord before working on the instrument 1 Set the main power line switch to the off position Red 0 visible Ww Buu ON Copyright 2000 Agilent Technologies Printed in USA Dec 2000 Agilent Part No 19251 90117 Installing the Split Splitless Capillary Inlet Accessory 19251A Preparing the Instrument Disconnect the power cable from its receptacle Allow time for the oven and heated zones to cool When the heated zones are cool turn off all gas supplies at the source ome bf Remove the injection port cover by grasping its back edge and lifting it upward If an autosampler is installed the injection port cover will not be present Injection port cover Top cover Press here to free cover 1 4 inch screw and washer 6 If an autosampler is installed on the instrument it will be necessary to remove it and its mounting bracket to allow removal of the left side cover a Remove the autosampler tray from its mounting bracket by simultaneously lifting and turning the two tray locks that hold it in position then sliding the tray away from the instrument b Lift the autosampler tray from its mounting bracket and set it aside c Remove the autosampler bracket by removing the six screws s
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Agilent Installation Guide Split/Splitless Capillary Inlet