AXP1620 Installation and Use (6806800E23E
)
AXP1620 Operations
Cleaning the Air Filter
76
4.8
Cleaning the Air Filter
To ensure the AXP1620 shelf operates properly, routine filter maintenance is required as
discussed in
Air Filter Maintenance
. Maintenance includes cleaning, replacing, and properly
storing the air filters.
Filter cleaning frequency depends on the environment the system is subjected to. The shelf
filter requires routine cleaning to ensure effective filtration and airflow. To prevent air
contamination from polluting the air filter and possibly obstructing the air intake of the system,
the air filter should be replaced according to the schedule you have established based on your
Central Office Environment as discussed in
Air Filter Maintenance
.
Remove and inspect the filter for tears or damage before cleaning it. If the filter is torn or
damaged, discard the filter and replace it with a new one. Refer to
Replacing the Fan Filter
on
page 116
if you need help.
If the filter is undamaged, proceed to clean it. There are several methods for cleaning the air
filter.
1.
Vacuum clean. A few passes of a vacuum cleaner can remove accumulated dust and
dirt.
2.
Oil-free compressor air. Point the compressed air nozzle in the opposite direction of
the filter’s operating airflow (blow from the filter’s exhaust side toward the intake
side).
3.
Cold water rinse. Collected dirt is washed away using a standard hose nozzle
with plain water. Ensure the filter is completely dry before returning to service.
4.
Immersion in warm soapy water. Dip the filter in a solution of warm water and mild
detergent. Then rinse the filter in clear water and let stand until completely dry before
returning to service.
4.8.1
Storing the Filter
The ideal storage condition for the air filter is a cool, dry, dark environment. High temperature,
humidity, and ultraviolet light adversely affect the filter media (foam). Foam also degrades when
exposed to solvents and sulfates, such as engine exhaust.
Before returning a filter to service, visually inspect it for tears or rips that may have
occurred during cleaning. Do not reinstall a torn filter as it will be ineffective in
trapping particulates and will interrupt air flow distribution. You may order
replacement fan filters (part number RAF1620) by contacting your Emerson sales
representative.
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