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Instruction Manual
IM-106-880C, OI
September 2009
Hazardous Area OCX 8800
2-16
4. Connect the CO high gas to the CAL GAS HI COe inlet fitting. Install a
shutoff valve and pressure regulator with gage in the CO high supply
line.
5. Connect the CAL GAS outlet fitting of the electronics housing to the inlet
port of the CAL GAS flow meter. Install an air line between the flow
meter outlet port and the CAL GAS inlet fitting on the sensor housing.
Reference Air Set and Solenoids Option with COe Zero Function
Figure 2-11 shows the piping arrangement for the Hazardous Area OCX 8800
with autocalibration when the COe Zero Function is used. The arrangement is
similar to Figure 2-10 except instrument air is used as the Hi O
2
test gas.
Refer to Section 3 for details of this function.
Figure 2-11. Pneumatic Installation, OCX with Reference Air Set, Solenoids and Autocalibration, with
COe Zero Function