12.4. Indoor Electronic Controllers Removal Procedures

1. The Electronic Controller, a Signal Receiver and an Indicator (Fig. 3) can be seen by the below steps:

• Open the Intake Grille and remove the screw at the front of the Front Grille. (Fig. 1).

• Remove the 3 caps and 3 screws at the bottom of the Front Grille. (Fig. 1)

• Remove the Front Grille by releasing the 3 hooks at the top of the Front Grille. (Fig. 1)

•Unhook the tabs at the Control Board to remove the Control Board Cover. (Fig. 2)

2.To remove the Main Electronic Controller:

•Release the 2 Particular Piece. (Fig. 3)

•Release the CN-REC/DISP connectors. (Fig. 4)

•Release the CN-TH connector. (Fig. 4)

•Release the CN-MAIN connector. (Fig. 4)

•Release the CN-STM1 connector. (Fig. 4)

•Release the CN-STM2 connector. (Fig. 4)

•Release the hooks that hold the Electronic Controller. (Fig. 3)

3.To remove the Power Electronic Controller:

•Release the CN-001 connector. (Fig. 4)

•Release the CN-002 connector. (Fig. 4)

Fig. 1

Fig. 2

Fig. 3

Fig. 4

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