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Air Conditioner Service Manual
26
WYT018GLFI19RL, WYT024GLFI19RL, WYT036GLFI19RL
10.4 Current flow
CN7
（ LEV）
CN2
(OHT)
CN1
(OPTOAT)
CN3
(OVT)
CN401
(485-COM )
CN409
For
programmed
CN407
For EEPROM
programmed
C
N
H
L
CN410
(OUTFAN)
P2
(ACN)
P3
(S)
P1
(ACL)
P00
P01
P5-1、P8
(VAL)
Electric reactor
PC monitor
P10-1(U)
P10-2(V)
COMP.
（Red）
（White）
（Blue）
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)
P14(L)
P10-3(W)
P9
(DCFAN)
CN11
(HEAT)
DRM1
DRM-COM
DRM2
DRM3
CN13
U603
IPM
Q403 IGBT
DN401
rectifier
D412
Fast recovery
diode
Indoor unit outdoor unit
Power supply
compressor
Indoor unit PCB
Outdoor unit
PCB
Live
Neutral
Ground
live
Neutral
Communicaon wire
Ground
U
V
W
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