Thermo Scientific TRACE 1600 Hardware Manual page 200

4
Performing Detectors Routine Maintenance
Maintaining a Nitrogen Phosphorous Detector (NPD)
168 TRACE 1600/1610 Hardware Manual
Figure 135. Reconnect Source Assemble Cable
15. Close the module flap cover.
16. Plug in the signal cable into its contact on the detector module. See
Figure 136. Reconnect Signal Cable
17. Plug the power cable to the AC input connector of the NPD Thermionic Source Power
Module and to the wall outlet. The LED marked On blinks green.
If other external modules are present, plug the power cable to the AC Input connector of
each module, and to the wall outlet.
18. Power on the GC.
a. Plug the power cable to the AC Input connector into the back of the GC and to the
wall outlet.
b. Flip up the power switch (breaker) to the position I.
19. Set the make-up gas on.
20. Switch on the thermionic source. Hydrogen and air are automatically opened.
The LED marked On of the NPD Thermionic Source Power Module becomes solid
green.
21. With all gases on, heat the detector to 150 °C and hold for about 15 minutes. Increase the
temperature to 250 °C and hold for 15 minutes.
Figure 136.
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