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Agilent Technologies

Agilent G3440-68011 Micro Electron 

Capture (µECD) 3rd Detector

For the Agilent 7890B Gas Chromatograph
Installation Instructions

Parts Supplied

1/8-inch

Table 1

Parts supplied 

Description

Quantity

Part number

Electron Capture Detector (µECD)

1

G2397-65506

µECD 3rd detector box assembly

1

G3440-60011

µECD board (included with µECD Module)

1

G3433-61020

µECD Caution label

1

19233-90730

3rd µECD supply tube weldment 200 mm

1

G3433-81000

Third detector EPC communication cable

1

G3432-60505

Third detector heated zone cable

1

G3432-60506

Third detector PCA frame assembly

1

G3430-00122

Frame 3rd EPC

1

G3430-00062

Third detector adaptor plate

1

G3497-00001

Solenoid valve bracket

1

G1580-00070

AUX Zone/VLV box cable

1

G1530-60660

MSD HTD Zone

1

G1530-60790

Nutwarmer cup assembly

1

19234-60700

Nutwarmer insulation

3

19234-60715

Scr-Mach M4X0.7 25 mm

2

0515-2712

M4 x 12 mm screws

11

0515-2496

Nameplate (attached to detector)

1

7120-1454

1/8-inch nut & ferrule set brass swagelok

1

5181-7481

Bulkhead fitting retainer, 316 SST

1

0100-0137

1/8-inch bulkhead union

1

0100-0133

M 4 captive screw

2

1390-1023

Содержание G3440-68011

Страница 1: ...d detector EPC communication cable 1 G3432 60505 Third detector heated zone cable 1 G3432 60506 Third detector PCA frame assembly 1 G3430 00122 Frame 3rd EPC 1 G3430 00062 Third detector adaptor plate 1 G3497 00001 Solenoid valve bracket 1 G1580 00070 AUX Zone VLV box cable 1 G1530 60660 MSD HTD Zone 1 G1530 60790 Nutwarmer cup assembly 1 19234 60700 Nutwarmer insulation 3 19234 60715 Scr Mach M4X...

Страница 2: ...2 Installation Instructions Agilent G3440 68011 Micro Electron Capture µECD 3rd Detector Parts Identification Figure 1 µECD Parts identification µECD EPC module µECD board µECD Caution label µECD module ...

Страница 3: ... cables Figure 3 Pneumatic parts Detector PCA frame assembly Third detector adapter plate Third detector EPC frame Third detector EPC communication cable Grommet MSD heated zone cable Third detector heated zone cable 3rd µECD supply tube weldment 200 mm Bulkhead fitting retainer Not used discard Bulkhead union ...

Страница 4: ...re µECD 3rd Detector Figure 4 Solenoid valve bracket and aux zone valve box cable Tools Required T 20 Torx driver Flat screwdriver 7 16 inch and 1 2 inch Open end wrench Phillips head screwdriver ESD wrist strap Aux zone valve box cable connector Solenoid valve bracket ...

Страница 5: ...d lift the cover off WARNING Refer to the Safety Manual that came with your Agilent 7890B Gas Chromatograph for hazards that may exist when maintaining your instrument WARNING All versions of µECD cells contain radioactive material Exposure to radioactive material is hazardous to human health Under no circumstances should an µECD cell be disassembled as this is in violation of the General License ...

Страница 6: ...top back cover by loosening the four screws Slide the top back cover to the left until free gently tilting out the lower end of the cover as needed for removal 11 Remove the GC left side cover by loosening the top screw sliding the panel towards the back and lifting off the cover 12 Put on an ESD wrist strap and attach the ground to the GC sheet metal frame for electrostatic protection Install the...

Страница 7: ...in the first A1 or last A2 position Record its position for use during configuration 7 Route the MSD heated zone cable long across the top of the GC oven Pass it under any detector gas lines and through the channels to the right side of the instrument See Figure 7 Figure 7 Route the MSD heater cable across the GC oven top view from front of GC 8 On the left side of the oven top unfasten the gromme...

Страница 8: ...0 on page 10 11 Connect the EPC5 female connector of the third detector communications cable to the matching EPC5 connector on the main communications harness The EPC5 connector is typically located in EPC bay 5 See Figure 9 on page 9 You may need to lift any PCM or Aux EPC module to access EPC5 on the main harness 12 Connect the Aux Det1 female connector of the third detector communications cable...

Страница 9: ... back and through the slot near the inlet fan then behind the inlet fan and down the left side of the GC See Figure 9 and Figure 10 Figure 10 Route the third detector EPC communications cable EPC5 connector located in bay 5 Route cable between inlet fan and EPC chassis split vent trap area Route cable along back edge of EPC chassis Aux Det1 connection Route cable along side of EPC bays Grommet MSD...

Страница 10: ... 11 Figure 11 Remove sheetmetal knockout 2 Remove the circular insulation plug and any excess insulation Use a flat bladed screwdriver to create a 1 4 inch hole through the oven insulation and into the oven See Figure 12 Figure 12 Prepare mounting hole for the µECD 3 Install the 3rd detector adaptor plate to the side of the GC using four 12 mm M4 screws See Figure 13 Hole for 3rd µECD installation...

Страница 11: ...ox assembly and remove the cover Set the cover and screws aside and keep them for later use See Figure 14 Figure 14 Remove the two screws from the side cover 5 Align the third detector box assembly frame against the side of the GC so that the mounting holes align as shown below Install two M4 x 25 mm screws at the top and use four M4 x 12 mm screws for the bottom Be sure you can access the third d...

Страница 12: ...cable through the third detector box assembly frame as shown in Figure 15 Install the supplied grommet in the frame 7 Install the third detector heated zone cable with grommet into the box assembly frame as shown in Figure 16 Install the connector into its slot in the frame Third detector heated zone cable installs here Third detector communications cable and grommet Third detector heated zone cab...

Страница 13: ...face board onto the detector PCA frame assembly Slide the board along the frame so that all hooks in the frame engage the slots in the board then secure the board to the frame using the thumbscrew Note that there are three sets of hooks on each side of the board All hooks must be engaged for the board to be installed securely See Figure 17 Figure 17 Hooks and thumbscrew Hooks Tighten thumbscrew ...

Страница 14: ...ture µECD 3rd Detector 2 Install the third EPC frame onto the EPC module Remove the two T 20 Torx screws place the frame onto the EPC module as shown in Figure 18 and secure using the same two screws Figure 18 Assemble the third EPC frame to the EPC module Torx screws ...

Страница 15: ...r captive screws using a T20 screw driver and finish tightening the screws with the T20 torque driver Figure 19 Figure 19 Install the 4 captive screws 4 Install the detector PCA frame and interface board assembly into the third detector box assembly frame using the two captive screws See Figure 20 Figure 20 3rd detector box assembly 3rd µECD installed Screws ...

Страница 16: ...the μECD Logic PCA as shown in Figure 21 Figure 21 Plug the electrometer ribbon into the µECD logic PCA 6 Connect the heater sensor form the μECD to the third detector heated zone cable as shown in Figure 22 Figure 22 Heater sensor plugged into third detector heated zone cable Electrometer Heater sensor 3rd detector heated zone cable ...

Страница 17: ... P5 using the third detector EPC communication cable as shown in Figure 23 Figure 23 Connect the EPC5 connector 8 Connect the Aux Det1 connector from the third detector the μECD logic board as shown in Figure 24 Figure 24 Connect the Aux Det1 connector to the µECD logic board 3rd detector EPC communication cable EPC5 connector Aux Det1 ...

Страница 18: ...sert the bulkhead union threaded stud through the back of the frame and the bulkhead fitting retainer Use the hex nut and 1 2 inch wrench to secure in place M4 x 12 mm long screw Bulkhead retainer WARNING The effluent gas stream from the detector must be vented to a fume hood to prevent possible contamination of the laboratory with radioactive material USA Owners Detector venting must be in confor...

Страница 19: ...as shown in Figure 25 Figure 25 Complete EPC tubing connections 6 Install the swagelok nut back ferrule and front ferrule from the bulkhead union onto the 3rd μECD gas supply tube as shown below and gently bend the tubing as needed into the shape shown in figure Figure 25 and Figure 26 The tubing should have bends with a radius 1 cm and should not extend out from the EPC module beyond the box asse...

Страница 20: ...e 27 8 Route the μECD vent tube out the back of the 3rd detector box assembly See Figure 27 Figure 27 Install µECD vent tube 9 Route the gas tubing so that it does not interfere with any other parts inside the box frame Use gentle bends with a large radius Do not kink or pinch the tubing 10 Secure the μECD serial tag to the 3rd detector box assembly using a tie wrap as shown in Figure 28 Tubing Fr...

Страница 21: ...Agilent G3440 68011 Micro Electron Capture µECD 3rd Detector Installation Instructions 21 Figure 28 µECD serial tag Figure 29 Installation is complete µECD serial tag ...

Страница 22: ...tor box and secure with M4 flathead screws using the T20 torque driver See Figure 30 2 Place the μECD caution label on the 3rd detector box cover See Figure 30 Figure 30 Slide the cover back on and attach the µECD caution label 3 Place an μECD nameplate on the back of the 3rd detector box assembly next to the vent tube as shown in Figure 31 Figure 31 µECD nameplate µECD caution label µECD nameplat...

Страница 23: ...nto the nutwarmer cup and align the cut of the insulation with the slot of the cup See Figure 32 Figure 32 Insert insulation pieces into the nutwarmer cup 2 Install the nutwarmer cup into the nutwarmer cup assembly and install over the mug adapter on the μECD inside the oven See Figure 33 Figure 33 Install nutwarmer cup over the mug adapter inside the oven ...

Страница 24: ...and press Enter Select Aux 1 if you attached the MSD heated zone cable to plug A1 or select Aux 2 if you used plug A2 9 Press Enter A caution message will appear instructing you to reboot 10 Reboot the GC a Press Options b Scroll to Communications and press Enter c Scroll to Reboot the GC and press On Yes twice to reboot the GC and have the changes take effect 11 Configure the detector gas type Pr...

Страница 25: ...ng using the provided 1 8 inch nuts and ferrules 14 Turn on gas pressures and leak check all fittings In general set the source gas pressure to 410 kPa 60 psi Correct any leaks 15 Reinstall the side cover onto the third detector box assembly 16 Check the μECD paperwork to make sure it is safely complete See Figure 34 Figure 34 µECD paperwork ...

Страница 26: ...ncidental or consequential damages in connection with the fur nishing use or performance of this document or of any information contained herein Should Agilent and the user have a separate written agreement with warranty terms covering the material in this document that conflict with these terms the warranty terms in the separate agreement shall control Agilent Technologies Inc 2018 Printed in USA...

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