
Regalia Oxygen Concentrator (cont.)
J0744a
Hepa Filter, J0744D5:
1. Power off the concentrator and unplug the power cord.
2. Remove 4 screws from back of the unit, located on the
edges, and 1 screw from within the handle.
3. Remove the paneling to expose the back side of the unit.
4. Locate the filter on the right side of the unit, when viewed
from the back. (pictured)
5. Using gentle traction, remove the hosing from both sides
of the filter.
6. Replace the new filter and paneling by reversing steps 1-5.
Instructions for Discontinued Models
Nidek Nuvo Lite 5L - J0744EMA
Cabinet Air Filter, J0744EMD2:
1. Power off the concentrator.
2. Remove the filter from the back of the concentrator.
3. Wash filter with water and a mild detergent. Rinse
thoroughly and towel dry. Allow to air dry completely
before reinserting.
4. Reinsert the clean filter. Ensure the filter edges are
under the tabs. Clean the filter once weekly or more
frequently in high dust environments. Replace if
damaged. Do not operate concentrator without filter
in place.
Compressor Filter (Air Intake Filter), J0744EMD1:
1. Power off concentrator and unplug the power cord.
2. Remove the cabinet air filter to locate the inlet air
filter.
3. Remove the filter from the unit and replace with a
new filter. This filter should be changed every 2 years
or more often depending on the environment.
4. Reinstall the cabinet air filter.
Hepa Filter (Final Product Filter), J0744D5:
1. Power off the concentrator and unplug the power cord.
2. Remove the upper cabinet back by unscrewing 5
screws, two at the top near the handle and three near
the bottom of the upper section. Locate the final
product filter.
3. Observe the position of the filter (flow direction)
before removal.
4. Separate the silicone tubing from both sides of the
filter.
5. Install the new filter with the inlet side in the same
position as before. Push the tubing together so that it
overlaps the barbs of the final product filter
connections.
6. Reinstall the upper cabinet back. This filter should
only be replaced if it restricts oxygen flow.
Nuvo 10 - J0744AN
Cassette Filter (Inlet Air Filter), J0744AND1:
1. Power off the concentrator and unplug the power cord.
2. Remove the rear cabinet access panel by unscrewing two
screws near the base (one on each side) and two inset
screws at the top just under the handle.
3. Locate the intake filter. Remove and replace with new
filter.
4. Replace access panel. This filter should be replaced
annually, or more often depending on the environment.
Foam Filter (Cabinet Air Filter), J0744AND2:
1. Power off the concentrator. Locate and remove the filter
on the back of the unit.
2. Wash the dirty filter with water and mild detergent.
3. Rinse thoroughly and squeeze out excess water.
4. Allow filter to dry completely before reinstalling. Do not
allow concentrator to run without filter in place. Clean
filter weekly or more often depending on environment.
Replace if damaged.
Hepa Filter (Final Product Filter), J0744D5:
1. Power off the concentrator and unplug the power cord.
2. Remove the rear cabinet access panel by unscrewing two
screws near the base (one on each side) and two inset
screws at the top just under the handle.
3. Locate the final product filter and observe the flow
direction of the filter before removal.
4. Separate the silicone tubing from both sides of the filter.
5. Install the new filter with the inlet side in the same
position as before. Push the tubing together so that is
overlaps the barbs of the final product filter connections.
6. Reinstall the cabinet back. This filter only needs replaced
if it restricts oxygen flow.