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Instruction Manual
IM-106-880C, OI
September 2009
9-5
Hazardous Area OCX 8800
OCX with
Remote Electronics
Remove Sensor Housing
1. Turn off power to the system.
2. Shut off the test gasses 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 9-3.
Figure 9-3. OCX with
Remote Electronics
37390044
Heater
Power Cable
Low O Test Gas
2
High O Test Gas
2
CO Test Gas
Instrument Air
(Reference Gas)
Test Gas
Reference Air
Dilution Air
Eductor Air
Instrument Air
Duct
Stack
AC Power
Input
Signal Cable
Sensor
Housing
Electronics
Housing
Signal
Outputs