AirSep AS-A, Instruction Manual

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AirSep
®
Corporation
AS-A—AS-P Series Instruction Manual 7-5
7) If you are replacing a coalescing filter element, remove and discard the black
gasket where the top of the filter element connects to the filter housing.
8) If you are replacing a coalescing filter element, make sure a black gasket is
attached to the top of the new element.
9) Taking care not to touch the filter portion of the new filter element, screw it
into the position from which the old filter was removed.
10) Reconnect the drain tubing to the bottom of the bowl.
11) Re-install the filter bowl, making sure the bowl locks firmly into place.
12) Slowly open fully the manual inlet valve and manual filter outlet valve.
13) Turn on the feed air at the air compressor or air header.
14) Re-install the front cover of the enclosure.
15) Connect the oxygen generator to the power supply.
16) Set the ON/OFF switch on the control panel to
ON
to operate the oxygen
generator.
7.6 Depressurizing the Oxygen Generator
The oxygen generator operates with pressurized air and
oxygen. To perform maintenance on the unit safely, fully
depressurize the oxygen generator components as described
in the procedure in this section.
1) Shut down the oxygen generator and disconnect the power supply. (See
Section 6.3, Shutdown.)
2) Remove the front cover of the enclosure. (See Section 7.3, Removing the
Front Cover of the Enclosure.) (Not Available on AS-D+ – AS-P Models)
3) Fully close the manual filter outlet valve on AS-A – AS-D models or manual
feed# 2 valve (V-2) and the manual product valve (V-3) on AS-D+-AS-P
models.
4) Re-install the front cover of the enclosure, if applicable.
5) Connect the oxygen generator to the power supply.
6) Set the ON/OFF switch to
ON
and set the AUTO/MAN switch to
MAN
.
7) Allow the unit to operate until gas no longer exhausts from the muffler and
both the FEED AIR and CYCLE PRESSURE gauges indicate zero pressure.