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Maintenance and service
December 2022
2. Shut off the test gases at the cylinders and shut off the instrument air.
3. Disconnect the test gas and instrument air lines from the electronics
238
housing as shown in
Figure
Figure 10-1: Rosemount OCX8800 with Integral Electronics
A. Adapter plate
B. Signal outputs (twisted pairs)
C. AC power input
D. Instrument air (reference gas)
E. High O
test gas
2
F. Low O
test gas
2
G. CO test gas
H. Electronics housing
I. Sensor housing
J. Duct
K. Stack
WARNING
Explosion hazard!
Failure to allow adequate time for all internal electrical charges to dissipate
can result in serious injury or death.
Before removing the cover from the sensor or electronics housing, allow at
least 45 minutes to pass after disconnecting power.
10-1.
Manual
00809-0500-4880
Emerson.com/Rosemount
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