Guidelines When Connecting The Electrical Wiring - Daikin RXF50D5V1B Installer's Reference Manual

9.1.2 Guidelines when connecting the electrical wiring

RXF50~71D5V1B
R32 split series
4P519439-15Q – 2021.10
DANGER: RISK OF ELECTROCUTION
Disconnect the power supply for more than 10 minutes, and measure the voltage at
the terminals of main circuit capacitors or electrical components before servicing.
The voltage MUST be less than 50 V DC before you can touch electrical components.
For the location of the terminals, see the wiring diagram.
f
e
d
c
b
a Multimeter (DC voltage range)
b S80 – reversing solenoid valve lead wire
c S20 – electronic expansion valve lead wire
d S40 – thermal overload relay lead wire
e S90 – thermistor lead wire
f LED
g S70 – fan motor lead wire
Keep the following in mind:
▪ If stranded conductor wires are used, 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.
b a
a Stranded conductor wire
b Round crimp-style terminal
▪ Use the following methods for installing wires:
Wire type
Single-core wire
g
DC P1+
DC N1-
a
Installation method
c b
A A´
a
a Curled single-core wire
b Screw
c Flat washer
9 Electrical installation
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AA´
c
a
Installer reference guide
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