MODEL 1000 SEP 2005
INTERNAL MODEM FOR GC CONTROLLER
D-1
APPENDIX D
INTERNAL MODEM FOR GC CONTROLLER
This Appendix provides additional information for installing the Internal Modem for the GC
Controller. (See drawing BE-20767 in Addendum 2 of this manual).
To install the Internal Modem for the GC Controller, follow these steps:
(1) Halt any ongoing analysis runs.
(2) Disconnect AC power from the GC Controller.
SERIOUS PERSONAL INJURY OR DEATH POSSIBLE
Before opening the door to the upper purged enclosure of the Model 1000, make certain
the power supply switch is OFF and the AC power cord is disconnected.
Failure to observe all safety precautions could result in serious injury or death.
(3) Remove the cover from the GC Controller housing to expose the GC Controller's Terminal
Board for Field Wiring.
(4) Loosen the six screws that secure the GC Controller's Terminal Board for Field Wiring.
Then unplug the Terminal Board from its connections at the back, top of the board.
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