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PDX Series
PDX SERVICE PROCEDURE XII
Flue Baffle
Inspection and replacement
| Remove blower to gain access to |
| Disconnect vent | |||
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| system from exhaust | ||||
flue baffle | ||||||
adapter. | ||||||
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Step 1. |
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Position gas control power switch to the “OFF” position and | ||||||
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| unplug blower from wall outlet. |
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Step 2. | Disconnect vent system from exhaust adapter on top of blower. | |||||
Step 3. | Disconnect intake air piping. |
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Step 4. | Unplug cord sets from blower. (see photo 34). |
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Step 5. | Remove the three blower mounting screws | Blower | ||||
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| (¼" nut driver) (see photo 34). | ||||
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| Cord Sets | ||||
Step 6. | Remove blower with gasket from water heater. | 35 | ||||
Step 7. | Remove flue baffle from Heater (see photo 36). |
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Step 8. | Inspect baffle for deterioration, missing restrictors. |
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| Clean any scale or debris build up. Replace with new baffle as | ||||
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| necessary. |
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Step 9. | Reinstall baffle into flue tube. Be sure baffle |
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| hanger tabs are inserted into notch location at the |
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| top of the flue tube (see photos 36 & 37). | Remove support | |||
Step 10. |
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| bracket | ||
Check Burner to insure no scale has accumulated during this | ||||||
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| operation. See burner cleaning procedure on page 15. |
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Step 11. | Reinstall blower on water heater. Connect vent |
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| system and cords set to blower. Plug water heater |
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| into wall outlet. |
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Step 12. | To resume operation follow the lighting instruction |
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| located on the lighting instruction label or the lighting instruction | ||||
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| located in the installation and operation |
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| manual. |
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36 |
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| Flue Baffle |
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| 37 |
| 38 |
Blower Mounting
Screws
Baffle shown
installed in flue
tube notch.
Flue tube
notch
Page 34
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