Cable Connections Through Return Air Duct (Cont)

TM 5-4120-393-14

WARNING

Be sure input power is disconnected before doing any work inside the air

conditioner cabinet. Voltages used can kill.

a. Remove Grilles. Using screwdriver, remove twenty four screws (1) and flat washers (2). Remove both

conditioned air intake grilles. Be careful not to damage grille gaskets. Since they cannot be reinstalled with this

application, store them in a safe place.

b. Return Air Duct Electrical Connector Location and Identification. The electrical power and control

connectors located in the return air section are identified as J24 (power) and J26 (control).

c. Input Power Cable. If input power cable is to be connected through the return air duct:

(1) Using screwdriver loosen three captive screws (1). Tip top of lower front panel (2) away from unit and lift

panel up and away from unit. Be careful not to damage panel gaskets.

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