2. Shut off the calibration gases at the cylinders and instrument air.
3. Disconnect the calibration gas and instrument air lines from the transmitter.
4. While facing the transmitter and looking at the Rosemount
™
label, remove screw
(18), cover lock (19), and captive washer (20) that secures the cover (17) on the left
side of the housing (11). Remove the cover to expose the terminal block (15).
5. Remove all signal and power wiring to the probe.
6. Remove insulation to access the mounting bolts.
7. Unbolt the transmitter from the stack and take it to a clean work area.
8. Allow the unit to cool to a comfortable working temperature.
4.4
Replace probe
Refer to
if you are using integral electronics or
electronics. The numbers in the steps below correspond to the numbers of the items in
those figures.
Procedure
1. Bolt the transmitter to the stack and install the insulation.
2. Connect all signal and power leads at the probe.
for detailed wiring instructions.
3. Install left side cover (17) and ensure it is tight. Secure the cover using captive
washer (20), cover lock (19), and screw (18).
4. Connect the calibration gas and instrument air lines to the probe.
5. Turn on the calibration gases at the cylinders and turn on instrument air.
6. Restore power to the system.
Start up and operate transmitter with membrane keypad
or
7. When the probe has reached operating temperature, calibrate it per
or
Note
Recalibrate whenever you replace electronic cards or the sensing cell.
4.5
Replace terminal block
WARNING
Opening the electronics housing will cause the loss of all hazardous permits. Opening the
electronics housing in hazardous areas may cause an explosion resulting in loss of
property, severe personal injury, or death.
You may need to get a hot work permit from your company safety officer before opening
the electronics housing.
Reference Manual
Maintenance and service
00809-0100-4880
October 2019
Rosemount Oxymitter DR
55
Summary of Contents for Rosemount Oxymitter DR
Page 4: ...4 ...
Page 52: ...Startup and operate Reference Manual October 2019 00809 0100 4880 52 Emerson com Rosemount ...
Page 72: ...Troubleshoot Reference Manual October 2019 00809 0100 4880 72 Emerson com Rosemount ...
Page 74: ...Return material Reference Manual October 2019 00809 0100 4880 74 Emerson com Rosemount ...
Page 84: ...Replacement parts Reference Manual October 2019 00809 0100 4880 84 Emerson com Rosemount ...