8 | Electrical installation
Installer reference guide
39
FTXF20~42E5V1B + ATXF20~42E5V1B
Daikin room air conditioner
4P519439-19U – 2022.09
WARNING
Do NOT connect the power supply to the indoor unit. This could result in electrical
shock or fire.
WARNING
▪ Do NOT use locally purchased electrical parts inside the product.
▪ Do NOT branch the power supply for the drain pump, etc. from the terminal
block. This could result in electrical shock or fire.
WARNING
Keep the interconnection wiring away from copper pipes without thermal insulation
as such pipes will be very hot.
INFORMATION
Also read the precautions and requirements in the following chapters:
▪ General safety precautions
▪ Preparation
8.1.3 Guidelines when connecting the electrical wiring
Keep the following in mind:
NOTICE
We recommend using solid (single-core) wires. If stranded wires are used, twist the
conductor to consolidate the end or twist the conductor to consolidate the end in
combination with the usage of a round crimp-style terminal on the end of the
conductor.
To prepare stranded conductor wire for installation
Method 1: Twisting conductor
1 Strip insulation (20 mm) from the wires.
2 Twist the end of the conductor to create a "solid-like" connection.
Method 2: Using round crimp-style terminal
1 Strip insulation from wires and twist the end of each wire.
2 Install a round crimp-style terminal on the end of the wire. Place the round
crimp-style terminal on the wire up to the covered part and fasten the
terminal with the appropriate tool.
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