Replacing The Air Purifier Inlet Filter; Replacing The Air Conditioner Filter Mesh - ABB ACF-NT Operator's Manual

Replacing the Air Purifier Inlet Filter

When is inlet filter
replacement needed?
Replacing the
Air Purifier Inlet Filter

Replacing the Air Conditioner Filter Mesh

When is filter mesh
replacement needed?
Replacing the
Air Conditioner
Filter Mesh
30
Decreasing flow at the FTIR purge gas flow meter is an indication of inlet filter
clogging. A preventive change every 6 months during regular system maintenance
is recommended.
CAUTION!
The air purifier is pressurized (5 to 7 bar)!
Step Action
1 Disconnect power supply and close the shut-off cocks down- and up-
stream (-J07) of the air purifier.
2 Depressurize the filter by slowly unscrewing the filter housing collar.
3 Unscrew the filter housing collar and lower the filter bowl. Remove the
filter element retainer disc at the base of the cartridge.
4 Replace the exhausted cartridge (Part No 0999755; set of 3) and
re-assemble the filter.
The cooling capacity of the air conditioner depends upon the cleanness of the
filter mesh. It should be replaced if it begins to turn dark.
Step Action
1 Remove the grid which holds the filter mesh in place.
2 Change the filter mesh (Part No 0999765).
3 Re-assemble the grid.
Operator's Manual ACF-NT, ACF-NT V0309 42/23-572 EN Rev. 5