8 | Electrical installation
Installer reference guide
42
FTXF20~42E5V1B + ATXF20~42E5V1B
Daikin room air conditioner
4P519439-19U – 2022.09
10 Shape the wires so that the service cover fits securely, then close the service
cover.
8.2 To connect to an HA system (Wired remote controller, Central
remote controller, wireles adaptor, etc.)
1 Remove the metal plate electrical wiring cover.
2 Attach interface adaptor for wired remote controller (optional) on main PCB
as shown in optional manual.
3 Attach the connection cord to the S21 connector and pull the harness as
shown in the figure.
4 Replace the electrical wiring cover as it was, and pull the harness around, as
shown in the figure.
a HA connector(S21 )
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