7. Connect the ground lead to the ground stud. Secure the connection with
two nuts. Attach a separate ground lead (G wire) from the ground stud to
the G terminal on the power input terminal block.
8. Install the cover on the electronics housing.
9. Restore power to the system. Allow the transmitter to reach normal
operating temperature before installing it in a hot process stack.
10. Bolt the transmitter to the stack and install insulation.
Refer to Figure 10-2 and make sure all test gas lines and electrical
connections are complete.
11. Turn on the test gases at the cylinders and open the instrument air supply
valve.
10.2.2 Rosemount OCX8800 with remote electronics
Remove sensor housing
Procedure
1. Turn off power to the system.
2. Shut off the test gases at the cylinders and close the instrument air valve.
3. Disconnect the calibration gas, reference air, eductor air, and dilution air
lines from the sensor housing, Figure 10-3.
Manual Maintenance and service
00809-0500-4880 December 2022
Rosemount OCX8800A 241
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