Replacing The Transformer - Invacare Perfecto2 IRC5PO2AW Service Manual

6. Secure new P. C. board in place with existing mounting screws.
7. Reinstall control panel. Refer to 6.10.1 Removing Control Panel, page 29 and reverse ALL steps.
8. Run concentrator to ensure unit operates to specifications.
9. After replacing P. C. board, autotuning may be necessary. Refer to 7.1 Autotuning, page 40.
10. Check for leaks at pressure sensor tubing on product tank cap. Refer to 8.1 Leak Test, page 41.
11. Reinstall cabinet. Refer to 6.1 Removing Cabinet, page 17 and reverse all steps.

6.13 Replacing the Transformer

DANGER!
Risk of Death, Injury, or Damage
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 6.1 Removing Cabinet, page 17.
3. Remove control panel. Refer to 6.10.1 Removing Control Panel, page 29.
4. Locate the transformer A located on the sound box.
5. Label all wires before disconnecting for proper re-connections.
Remove the two mounting screws B that secure the transformer to the soundbox.
6.
7. Note orientation of transformer on soundbox before removing for proper reinstallation.
8. Remove the existing transformer and discard.
9. Install new transformer in orientation noted in STEP 7.
10. Connect all wires as noted from STEP 4.
11. Reinstall control panel. Refer to 6.10.1 Removing Control Panel, page 29 and reverse ALL steps.
12. Reinstall cabinet. Refer to 6.1 Removing Cabinet, page 17 and reverse all steps.
1154245-F-02
Service
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