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Air Conditioner Service Manual
25
WYT018GLFI19RL, WYT024GLFI19RL, WYT036GLFI19RL
10.3 Connection of ODU PCB
WYT009GLFI19RL, WYT009ALFI19RL, WYT012GLFI19RL, WYT012ALFI19RL
CN7
（ LEV）
CN2
(OHT)
CN1
(OPTOAT)
CN3
(OVT)
CN401
(485-COM)
CN409
For
programmed
CN407
For EEPROM
programmed
P2
(CAN-Blue)
P3
(S-Black)
P1
(ACL-Brown)
P00
P01
P5-1、P8
(VAL)
Electric reactor
PC monitor
P10-3(W)
P10-2(V)
COMP.
（ Blue）
（ White）
（ Red）
To indoor unit
Expansion valve
Suction Temp sensor
Out door coil Temp sensor
Outdoor ambient Temp sensor
COMP. top Temp protection
Exhaust Temp. sensor
CN12
（ ORQ）
P13 (L)
P 14 (L)
P10-1(U)
P9
CN12-2
P11-1、P11-2
(HEAT)
w
u
v
CN12-1
(DC fan motor
feedback)
C
N
L
H
CN410
(OUTFAN)
DRM3
DRM2
DRM1
DRM-COM
CN13
CN11
U405
IPM
DN401
rectifier
Q403 IGBT
D412
Fast recovery
diode
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