Haier SYJS-0308 Service Manual page 38

***AU482FIAHA
CN21
CN19 CN22
SW06
LD1 LD2 LD3 SW07
SW05 SW04
SW01 SW02
Weak-electric Control Board
SW
orange white grey yellow orange
red red
red
black
grey blue yellow red
condenser
mid-part
sensor
electronic electronic
red
expansion valve 2 expansion valve 1
CT
white
POWER FILTER BASE BOARD
white
black
yellow/green
C1
connect with indoor
power
communication line
DO NOT CONNECT
WITH
STRONG-ELECTRICITY
NOTE:the functions of select switches in the figure refer to the
operation manual.
CN20
red
black
red
black white white
suction discharging defrosting
ambient low-pressure
high-pressure
sensor sensor sensor
sensor sensor
sensor
earthing
black
black yellow/green
white
white
black
power module
Strong-electric
Control Board
RL4
fuse
black
P
pressure
white
switch
unload
electromagnetic
valve
white
white
A2
A1
AC contactor
5 6 black
3 4
white
white
black
1 2
red
red
PTC
red white black
compressor
filter
capacitor
RL3
RL2
RL1
capacitor
RL6 RL5
motor A
motor B
black red
four-way heater
valve
red
red
electrolytic
+
electrolytic
capacitor
+
capacitor - resistance
-
black
red
electrolytic +
capacitor
-
black black
+ red
-
+ -
reactor
diode
-
+
half-wave rectifier
capacitor
black
red