PDX Series
PDX SERVICE PROCEDURE XII
Flue Baffle
Inspection and replacement
Remove blower to gain access to
flue baffle
Disconnect vent system from exhaust adapter.
Step 1. Position gas control power switch to the “OFF” position and unplug blower from wall outlet.
Step 2. Disconnect vent system from exhaust adapter on top of blower.
Step 3. Disconnect intake air piping.
Step 4. Unplug cord sets from blower. (see photo 31).
Step 5. Remove the three blower mounting screws (¼" nut driver) (see photo 31).
Step 6. Remove blower with gasket from water heater.
Step 7. Remove flue baffle from Heater (see photo 33).
Step 8. Inspect baffle for deterioration, missing restrictors.
Clean any scale or debris build up. Replace with new baffle as necessary.
31 | Blower Mounting |
| |
| Screws |
Blower
Cord Sets
32
Step 9. Reinstall baffle into flue tube. Be sure baffle hanger tabs are inserted into notch location at the top of the flue tube (see photos 34 & 35).
Remove support
bracket
Step 10. Check Burner to insure no scale has accumulated during this operation. See burner cleaning procedure on page 15.
Step 11. Reinstall blower on water heater. Connect vent system and cords set to blower. Plug water heater into wall outlet.
Step 12. To resume operation follow the lighting instruction
located on the lighting instruction label or the lighting instruction located in the installation and operation
manual.
33
Flue Baffle
34 | 35 |
Baffle shown
installed in flue
tube notch.
Flue tube
notch
Page 33
33
