Daikin 2MXM40A2V1B - Guidelines when connecting the electrical wiring

9 | Electrical installation
Installer reference guide
49
2MXM40+50A
R32 Split series
4P600463-4E – 2021.12
ACDC
DC
-
+
efghij
a
b
k
c
d
l
a DB1 diode bridge
b S90 thermistor lead wire
c LED A
d S40 thermal overload relay lead wire
e S20 (white) room A electronic expansion valve coil
f S21 (red) room B electronic expansion valve coil
g S80 (white) 4-way valve lead wire connector
h S70 fan motor lead wire
i S99 heating lock
j S91 (red) liquid thermistor lead wire
k S92 (white)gas thermistor lead wire
l Multimeter (DC voltage range)
9.1.2 Guidelines when connecting the electrical wiring
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 Installation method
Single-core wire
c b
c
aa
A
AA´
A´
a Curled single-core wire
b Screw
c Flat washer