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Instruction Manual
IM-106-880, Rev 1.0
January 2007
6-3
OCX 8800
4. Remove the cover from the sensor housing to expose the sensor
housing terminal blocks, Figure 6-2.
5. Disconnect the signal cable from the O
2
and T/C terminal blocks, and
from the CO and CJC terminal blocks.
6. Disconnect the heater power cable from the HTR terminal blocks.
7. If moving the sensor housing to another work site, disconnect and
remove the power and signal cables from the sensor housing.
8. Remove insulation to access the mounting bolts. Unbolt the sensor
housing from the stack and take it to a clean work area.
9. Allow the sensor housing to cool to a comfortable working temperature.
Figure 6-2. Sensor
Housing Terminals
3
7390028
BLU
ORG
YEL
RED
BLK
WHT
BLK
YEL
RED
BLU
WHT
BLK
BLK
GRN
BLK
BLK
BLK
ORG
WHT
RED
BLK
BRN
To
Ground
Screw
GRN
SENSOR HOUSING
Signal Cable
Heater Power Cable
T/C O2
T/C CO
T/C SB
EXC
CJC
CO REF
CO ACT
+
-
+
-
+
-
+
-
+
-
+
-
+
EXC
-
O2
HTR SB
2
2
1
-
+
HTR 02
2
1
HTR CO
1
NOTE: Wire colors shown are for cables
supplied by Emerson Process
Management.