Detector Installation; Detector Operation; Figure 2-5: Feedthrough Tube - ABB PGC5000 Service Instruction

Loosen the 3 flange screws around the feedthrough tube.

Figure 2-5: Feedthrough tube

Unscrew the flange nut and remove the detector by pulling the detector to the inside of the
oven. The wires coming from the feedthrough tube are potted so they will need to be fed
through the opening to the inside of the oven.
2.2

Detector installation

To install the detector, perform the following steps:
WARNING – Bodily injury. High voltage present. Make sure that power to the PGC5000 has
been disconnected before accessing the electronics compartment.
1. Remove power prior to installing the detector.
Perform the steps in section 2.1, above, in reverse order.
After reassembly, check for leaks.
2.3

Detector operation

This section details the steps to initialize operation of the detector.
IMPORTANT NOTE: Allow the oven to heat up and stabilize with flows enabled before setting the
correct flow.
1. Set flows by measuring the flow at the cell vent tube. Refer to the data pack for correct flows.
The detector should automatically light when power is applied. To verify, remove the front
cover of the detector and with low light you should be able to see the plasma glow a soft blue.
a. To remove the cover, take the 16 screws out of the housing.
b. Very gently pull the cover straight away from the body of the cell. Pay close attention not to
rub any of the detector components while removing the cover. Be sure to observe the
orientation of the cover and reinstall it in the same manner. Ensure the flame-proof or
explosion-proof surfaces of the cover or the body of the detector are not damaged. Reinstall
the DBDID detector cover and insert the 16 screws and tighten them to 16 in.-lb, using ABB
Tool TL1000/TL1002. There is a small cutout inside of the cover that will need to go back on
in the same orientation.
There is no need to push the DBDID ignite switch to light the plasma because when power and utilities
are added, the plasma will automatically light.
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