2.4.2 Reference air set and solenoids option without COe
zero function
When the reference air set and test gas solenoids are included with your
transmitter, use the following procedure to install the pneumatic system
components.
Procedure
1. Install the reference air set according to the instructions in Reference air set
option (only), steps Step 1 through Step 3.
2. Refer to Figure 2-12. 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 gauge in the O
2
low supply line, as shown.
3. Connect the O
2
high gas source to the CAL GAS HI O
2
inlet fitting. Install a
shutoff valve and pressure regulator with gauge 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 gauge 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.
Install Manual
December 2022 00809-0500-4880
46 Emerson.com/Rosemount
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