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Electrical installation
Installer reference guide
49
3AMXF-A9, 3AMXF-A9, 3AMXM-N9
R32 Split series
4P600463-1F – 2022.05
AC
DC
DC
S20
S
21
S
22
S
23
S92
S93
S40
S80
S7
0
U
W
V
D
C
-
FU2
S9
0
S2
4
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.
WARNING
▪
All wiring MUST be performed by an authorised electrician and MUST comply
with the applicable legislation.
▪
Make electrical connections to the fixed wiring.
▪
All components procured on-site and all electrical construction MUST comply
with the applicable legislation.
WARNING
ALWAYS use multicore cable for power supply cables.
INFORMATION
Also read the precautions and requirements in the
7].
INFORMATION