Emerson Rosemount OCX 8800, Инструкция по эксплуатации

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Instruction Manual
IM-106-880C, OI
Section 2:
Installation
April 2017
Reference Air Set and Solenoids Option without COe Zero
Function
33
2.5.2 Reference Air Set and Solenoids Option without COe Zero
Function
When the reference air set and test gas solenoids are included with your
Hazardous Area OCX 8800, use the following procedure to install the pneumatic system
components.
1. Install the reference air set according to the instructions in Reference Air Set Option, steps 1 through 3.
2. Refer to Figure 2-11 . Connect the O
2
low gas source to the CAL GAS LO O
2
inlet fitting on the
electronics housing. Install a shutoff valve and pressure regulator with gage in the O
2
low supply line, as
shown.
3. Connect the O
2
high gas source to the CAL GAS HI O2 inlet fitting. Install a shutoff valve and pressure
regulator with gage in the O
2
high supply line.
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.
2.5.3 Reference Air Set and Solenoids Option with COe Zero
Function
Figure 2-12 shows the piping arrangement for the Hazardous Area OCX 8800 with
autocalibra- tion when the COe Zero Function is used. The arrangement is similar to Figure 2-
11 except instrument air is used as the Hi O
2
test gas. Refer to Section 3 for details of this
function.