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Instruction Manual
IM-106-880C, OI
September 2009
2-19
Hazardous Area OCX 8800
Figure 2-13. Pneumatic Installation, OCX with Reference Air Set, Solenoids, Blowback and Autocalibration,
with COe Zero Function
Reference Air Set, Solenoids, and Blowback Option
with COe Zero Function
Figure 2-13 shows the piping arrangement for the Hazardous Area OCX 8800
with the blowback and autocalibration options when COe Zero Function is
used. The arrangement is similar to Figure 2-12 except instrument air is used
as the Hi O
2
test gas. Refer to Section 3 for details of this function.