Operating Instructions OXY5500 Gas Analyzer
76 Endress+Hauser
7. Tilt the electro-optical module forward and lift away from the DIN rail.
8. Remove the ground cable from the module.
Using the Philips screwdriver, remove the screw and cable. Refer to Figure 79.
Figure 79. Removing the ground cable
9. Remove the electro-optical module from the enclosure and set aside.
8.5.3 Replacing the electro-optical module
1. Connect the ground cable to the replacement module.
2. Position the electro-optical module above the DIN rail and snap down into place.
3. Re-wire the terminal blocks as shown in Figure 73 or Figure 74.
4. Re-connect the probe.
5. Re-connect the ribbon cable to the keypad.
6. Close the analyzer enclosure door.
8.6 Installing/replacing the pressure sensor
The pressure sensor is optional on the OXY5500 analyzer. Use this procedure to install or replace the pressure
sensor.
Refer to the procedure called Installing the pressure sensor → and Spare parts → for the pressure sensor kit part
number to install this option.
8.6.1 Required tools
• Flathead screwdriver (standard size and mini)
• 9/16 in. open-ended wrench
• Adjustable wrench
• 10 in. crescent wrench
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