52 | Maintenance
2588787_B_EN_2005_US_OM
US
8.4.6
Replacing the Air Intake Filter
1
2
Figure 22 -
Air Intake Filter Replacement
1.
Air intake port
2.
Filter
The air intake filter should be replaced regularly to minimize the intake of airborne contaminants.
To replace the air intake filter:
1.
(Recommended) Shut down the humidifier as described in
"Shutting Down the Unit" on page 37
. If the
humidifier is not turned off, the air drawn into the humidifier will be unfiltered and it is possible that the
humidifier will become contaminated.
2.
Pull the air intake filter down from the humidifier, then replace the air intake filter.
8.4.7
Replacing Fuses
Only a qualified service technician authorized by the customer should replace the internal fuse.
Replace the internal fuse in the control cabinet as follows. Refer to
1.
Shut down the unit as described in
"Shutting Down the Unit" on page 37
2.
Remove the door panel on the control cabinet and swing the front panel open.
3.
Replace the fuse with a 10 A slow-acting fuse.
4.
Close the front panel and install the door panel. Ensure the panels are fastened securely.
5.
Remove the lock and tag from the external disconnect switch and restore power to the humidifier.
Summary of Contents for US 13
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