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Whirlpool WFCH Installation Instructions Manual page 6

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12. Remove the manifold cover (2 screws), and burner access
cover (6 screws). Do not remove the screws located in the 2
clearance holes. The rubber grommet remains on the burner
tube.
1
2
1. Burner access plate
2. Clearance holes
3. Rollout switch
13. Remove the burner locking tab (2 screws).
NOTE: The flange is located toward the inside.
1
2
1. Burner locking tab
2. Locking tab flange
14. On the new component side of the furnace, remove the
following: rear blower compartment panel, rear burner access
cover (do not remove the 2 screws located in the clearance
holes), flue cover, the limit control access opening cover, the
plug closing the opening for the blower wires, and plastic
condensate drain plug (using a ¹⁄₂ in. hex-head wrench).
1
2
3
1. Rear blower compartment panel
2. Flue cover
3. Condensate drain plug
6
2
3
4
5
4
4. Manifold plate screws
5. Manifold plate
4
5
4. Limit control access cover
5. Rear blower access cover
15. Remove the 2 screws securing the burner locking tab behind
the burner access cover.
NOTE: The flange is located toward the inside.
16. On the original component side of the furnace, remove the
burner assembly (gas valve and burner piping) by lifting the
assembly from the engagement screws and then pull the
assembly straight out of the burner box.
1. Burner locking tab
2. Manifold support brackets
17. Remove the 4 screws holding the manifold to the burner
assembly. (If the furnace will be converted to L.P. gas, the
orifice conversion should be performed at this point). See
"Accessories" section for Propane Conversion Kit
information.
1
2
3
1. Manifold
2. Burner
18. Hold the gas control valve with an adjustable wrench. Use a
pipe wrench to tighten the manifold clockwise ¹⁄₂ revolution
(180°), so the vertical axis of the gas control valve is
perpendicular (90°) to the burner orifices.
19. Flip the manifold so the gas valve is located on the opposite
end. Then install the manifold and gas valve to the burner
assembly, using the 4 screws removed earlier, making sure
the burner orifices seat in the burners.
20. Connect igniter wires and flame sense wire, then slide the
burner assembly into the burner box on the opposite side of
the furnace, making sure that the assembly engages onto the
alignment screws.
NOTE: Ensure the wires are not damaged during assembly or
pinched after assembly.
1
2
4
3. Gas control valve
4. Screws

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