2000 MS Hardware Maintenance
50
Chemical Ionization Options
3800 GC
If you are installing the MCI Module on a 3400 or 3600 GC, skip to the installation
instructions following this section.
1. The Multiple CI solenoid cable plugs into the External Events on the 3800
GC.
2. Remove the GC left side, top cover, and the detector cover.
3. Locate the External Events connector J42.
4. Connect the "A" wires to "1", the "B" wires to "2", and the "C" wires to "3". Hold
each wire in the connector, and turn the screw clockwise to lock the wire into
place.
5. The 3800 GC must have the External Events configured, or the Workstation
software will not be able to activate them.
6. On the GC front panel, press the SETUP button.
7. Press 2 to EDIT Instrument Setup.
8. Press 5 to Edit the Valves.
9. The cursor should be on Valve type number 1. Press the DECR key until "Event
A" is displayed. Press the down arrow cursor key.
10. The cursor should be on Valve type number 2. Press the DECR key until "Event
B" is displayed. Press the down arrow cursor key.
11. The cursor should be on Valve type number 3. Press the DECR key until "Event
C" is displayed. Press the down arrow cursor key.
12. Press the blue key below the display menu box entitled "Save and Exit".
3400/3600 GC
C B
A
1
. Connect the wires as shown to pins 1 and 2 on the Rectifier PWA 03-930346-00.
2
. Connect the wires as shown to pins 3 and 4 on the Rectifier PWA.
3
. Connect the wires as shown to pins 5 and 6 on the Rectifier PWA.
4
. Turn off the GC.
WARNING:
SHOCK HAZARD
Dangerous Voltages Exposed When High Voltage Cover is Removed. Unplug
Power Cord. No operator serviceable parts under cover. Refer any questions
to high voltage cover to qualified service personnel.