2.5.6 Reference Air Set, Solenoids, and Blowback Option with
COe Zero Function
Figure 2-14 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 2-13 except instrument air is used as the Hi O
2
test gas. Refer to Section 3
for details of this function.
2.5.7 Reference Air Set and Blowback Panels
An optional blowback panel is shown in Figure 2-10. Piping arrangement for blowback panel
without autocalibration without COe Zero Function is shown in Figure 2-15. Piping
arrangement for blowback panel with autocalibration without COe Zero Function is shown in
Figure 2-16. Piping arrangement for blowback panel with autocalibration with COe Zero
Function is shown in Figure 2-17.
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