Daikin 4MXM80A2V1B User Manual

9 | Electrical installation
Installer reference guide
52
2MXM-A, 3MXM-A, 4MXM-A, 5MXM-A
R32 Split series
4P600463-5E – 2021.12
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.
AC
DC
DC
S20 S21 S22 S23
S92
S93
S40
S80
S70
U W V
DC-
FU2
S90
S24
AL2 AL1
e
f
g
h
a
b
c
d
DC(-)
FU2
a AL1, AL2 - solenoid valve lead wire connector*
b S20~24 - electronic expansion valve coil lead wire connector (room A, B, C, D, E)*
c S40 – thermal overload relay lead wire and high pressure switch connector*
d Multimeter (DC voltage range)
e S90~93 – thermistor lead wire connector
f S70 - fan motor lead wire connector
g S80 - 4-way valve lead wire connector
h Compressor lead wire connector
*May differ depending on the model.
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

Daikin 4MXM80A2V1B Specifications

General

Brand	Daikin
Model	4MXM80A2V1B
Category	Air Conditioner
Language	English