SECTION 8—PE VALVE
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SECTION 8—PE VALVE
NOTE: Refer to Recycling Information following local governing ordinances and recycling plans
regarding disposal of the concentrator or components.
Replacing PE Valve
DANGER
To prevent electrical shock, ALWAYS disconnect concentrator from electrical
outlet before servicing.
1. Turn power Off (O) and unplug the unit.
2. Remove cabinet. Refer to Removing Cabinet on page 25.
3. Remove spade connectors from PE valve assembly.
4. Remove two tie-wraps that secure the sieve bed tubing to each side of the PE valve
assembly.
5. Remove PE valve assembly from tubing.
CAUTION
If PE valve is not to be installed IMMEDIATELY, plug the sieve bed fitting to prevent
sieve bed contamination.
NOTE: To ensure proper orientation, the “Out” port barb should face to the right side of the sieve
bed when viewing the back of the unit.
6. Install new PE Valve assembly IMMEDIATELY, by reversing STEPS 3-5.
7. Connect sieve bd tubing to each side of PE valve.
8. Secure sieve bed tubing with new tie wraps.
9. Connect spade connectors to PE valve assembly.
NOTE: After replacing PE valve, autotuning of the concentrator will be necessary. Refer to
10. Run unit and inspect for leaks. Refer to Leak Test on page 71.
11. If no leaks detected, turn power Off (O) and unplug the unit.
12. Reinstall cabinet. Refer to Removing Cabinet on page 25.
