ADC AD-464 service manual Burner Air Switch

Models: AD-464

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h.Burner Air Switch

The dryer uses a burner air switch on its burner components. The differential air pressure is measured by this air switch, which is located next to the burner fan motor. If the combustion air is inadequate, this switch will prevent ignition. The setting of this burner air switch is adjustable, and is preset at the factory.

1)Burner Air Switch Replacement

(a)Discontinue electrical service to the dryer.

(b) Remove the two (2) 1/4" x 1/8" M.P.T. straight brass connectors from the burner fan air switch.

(c) Remove the 5/16-18 x 3/4" tap bolt as well as the 5/16" lock washer.

(d)Mark and identify the wires for correct re- placement on the new burner air switch.

(e)Remove the cord grip from the burner fan

air switch.

(f)To install new burner air switch, reverse Step #e thru Step #b.

(g)Reestablish electrical service to the dryer.

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Page 65
Image 65
ADC AD-464 service manual Burner Air Switch