Emerson Rosemount CT5100, Reference Manual

Page: 152 / 179

Figure 12-15: Removing the Top Cover
A. Locking mechanism
B. Top cover
C. Notches
2. Lift the top cover a short distance upwards and then forwards to disengage the
right-angled notches (C) on the top cover from the mating lugs on the chassis
beneath.
3. Lift the top cover clear of the analyzer.
4. Examine the top cover for signs of physical damage.
5. Inspect all wiring positions/cables runs to ensure nothing can get trapped/nipped
when the cover is refitted; use cable ties if required.
6. Carefully lift the top cover into position.
7. Re-engage the right-angled notches (C) on the top cover from the mating lugs on
the chassis beneath.
8. Refer to Figure 12-15 . Rotate the two locking mechanisms (A) clockwise to lock the
front of the top cover (B) in position.
12.19 Replacing the PT100 gas temperature sensor
Note
Approval for the PT100 temperature sensor as a simple device:
To permit connection of a suitable temperature sensor, the following intrinsically safe (IS)
parameters have been declared for the connections emerging from the purged enclosure.
Repair and replacement Reference Manual
October 2019 00809-0100-4512
152 Rosemount CT5100(Ex)