1. The Electronic Controller, a Signal Receiver and an
Indicator (Fig. 3) can be seen by the below steps:
• 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 Electronic Controllers:
• Release the 2 Particular Piece. (Fig. 3)
• Release the earth wire screw. (Fig. 3)
• Release the screw holder terminal board. (Fig. 3)
• Release the CN-DISP connector. (Fig. 3)
• Release the CN-TH connector. (Fig. 4)
• Release the CN-ION connector. (Fig. 4)
• Release the CN-SONIC 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
and pull out the Electronic Controller. (Fig. 4)
• Release the CN-FM connector. (Fig. 4)
• Release the AC01 (white) connector. (Fig. 4)
• Release the two RY-PWR connector. (Fig. 4)
Fig. 1
Fig. 2
Fig. 3
Fig. 4
12 Servicing Information
Caution:
• Pb free solder has a higher melting point than standard solder; Typically the melting point is 50 - 70°F (30 - 40°C) higher. Please use
a high temperature soldering iron. In case of the soldering iron with temperature control, please set it to 700 ± 20°F (370 ± 10°C).
• Pb free solder will tend to splash when heated too high (about 1100° F/600°C).
12.1. Indoor Electronic Controllers Removal Procedures
64
CS-A18DKD CU-A18DKD / CS-A24DKD CU-A24DKD
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