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Instruction Manual
IM-106-880C, OI
September 2009
Hazardous Area OCX 8800
2-22
Figure 2-16. Pneumatic Installation, Blowback Panel with Autocalibration without COe Zero Function
Check Valve
Sensor
Housing
Dilution Air In
Reference Air In
CAL Gas In
2-Stage
Regulators
CO
HI O
2
LO O
2
Instrument Air
Instrument
Air to
Electronics
Blowback
Control Air
Instrument
Air Supply
CAL Gas
In
Instrument
Air Out
Dilution
Air Out
Eductor Air In
CAL Gas
Out
Blowback
Air Out
Electronics
Housing
Actuating Air
39930004
CAL Gas
Out