Service Manual
Integra E-Z Oxygen Concentrators
Chart SeQual Technologies Inc. Page 20 of 34 P/N 2917
If the compressor has been running for any length of time, the
compressor surfaces (especially the metal ones) will be hot and can
cause burns. Wear protective gloves as required.
5.7.5. If the noise does not go away or increases, gently press on the left end of the compressor.
5.7.6. If the noise persists, check for loose hardware. Refer to the Compressor Installation section.
5.7.7. If the noise goes away while pressing on one of the compressor ends, the heat exchanger coil
will need to be reshaped. If the noise decreased while pressing on the right end, the coil needs
to be closed slightly. If the noise decreased while pressing on the left end it will need to be
opened slightly.
WARNING:
Do not perform this with bare hands and a unit, which has been
running for any period of time. The heat exchanger becomes very
hot and can cause bad burns to hands. Wear protective gloves as
required.
5.7.8. Open or close the coils by gently manipulating with thumbs and fingers. The spacing between
the coils should be even. Ensure that none of the coils contact each other. Ensure that the air
hose running through the center frame does not touch the sides of the opening.
5.7.9. If the noise occurs after the compressor has been removed from the unit and or rebuilt the
vibration isolation springs may be forcing the compressor out of its natural position. To remedy
this issue look at one end of the compressor and see if it is leaning toward or away from center
frame. Rotate the springs to bring the compressor into a neutral position. This will need to be
done for all four springs as well as in conjunction with the reshaping the heat exchanger.
NOTE:
A noise free installation requires the compressor to sit on the four
springs in a neutral position without any external force pushing it out
of position.
5.8. Trouble Shooting Guide for Integra E-Z units
Table 1: Concentrator is not Running
Unit won’t start
Flow Indicator Blank
Back Light Off
Power cord not plugged into wall outlet.
Check condition of power cord.
Plug in power cord.
Internal Fuse blown.
Check condition of power cord.
Service required.
Audible Alarm
Blinking Red Light
Flow Indicator Blank
Back Light Off
Power cord pulled from wall outlet. Plug in power cord.
Power outage.
Push On/Off Button to turn off
unit.
Push On/Off Button to restart unit
when power comes back on.
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