8 | Electrical installation
Installer reference guide
43
FTXP20~35N5V1B + ATXP20~35N5V1B
Split system air conditioners
4P519439-20U – 2022.09
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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