Rosemount CT4215, Справочное руководство

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7. Once the mirrors have been cleaned, check the pulse amplitude on the HMI and
ensure it is > 0.4 V, resetting any alarms.
8. Replace the black cell lid, red cell cover, and clamps.
9. Switch on the BLOWER ISOLATOR and press the Purge button for a few short bursts.
10. Clsoe the upper enclosure and reset any alarms.
7.3 Air filter
The air filter is located externally at the rear of the upper enclosure and prevents dust and
debris from reaching the cell. Emerson
™
recommends inspecting the filter at monthly
intervals. The steps below show how to access the air filter for inspection or changing.
1.
Isolate the blower so that there is no air flow through the filter and cell.
2. Using circlip pliers, remove the circlip from the end of the filter housing, Figure 7-4 .
Removing the Circlip from the Filter Housing Figure 7-4:
3. Remove the end fitting from the filter housing, taking care not to damage the O-ring
or the filter housing in the process,
Figure 7-5 .
Maintenance
Reference Manual 35