Functions and control
Domestic air conditioner
Wiring diagrams
14
THE CAPACITOR RETAINS HIGH VOLTAGE EVEN AFTER THE PLUG-OFF. FOR YOUR
●
SAFETY, BE SURE TO WAIT AT LEAST 5 MINUTES.AFTER PLUG OFF AND USE A
TESTER TO CONFIRM THE VOLTAGE BETWEEN CONNECTOR CN25 AND CN28(ON MAIN
PCB BOARD) IS LESS THAN DC 10V BEFORE START SERVICING OR LED2
EXTINGUISHED.
Note:The dotted parts are optional.
The @1 and the @2 cannot exist at the time,
but must keep one of them.
B: Black W: White
R: Red Y/G: Yellow/Green
BR: Brown OR: Orange
BL: Blue GR:Gray
DON'T TOUCH CAPACITOR, EVEN AFTER PLUG-OFF ( DANGER OF ELECTRIC SHOCK)!
COMPRESSOR
OUTDOOR UNIT WIRING DIAGRAM
M
AC-N OUT
●
ELECTRIC
EXPANSION
WARNING
●
CAUTION
AC-N OUT
AC-L OUT
A
M
B
IE
N
T T
E
M
P
.SE
N
S
O
R
TE
M
P
.S
E
N
S
O
R
C
O
M
P
.T
E
M
P
.SE
N
S
O
R
TE
M
P
.S
E
N
S
O
R
TE
M
P
.S
E
N
S
O
R
D
E
FR
O
ST
@1
D
E
FR
O
ST
C
O
M
P
.T
E
M
P
.SE
N
S
O
R
@2
A
M
B
IE
N
T
BL
OR
CN3 CN1
CN4
CN2
AC-N
REACTOR
GR
LI
AC-L
GR
L0
MOUDLE PCB
CN5 CN6 CN7
W
U
B
V
W
R
CN8 CN9BL
CN10
P
N
CN11
B
S(V)
R(U)
C(W)
CN1
AC-N
FUSE1
N
OUTDOOR PCB
TEMP.SENSOR
SUCTION
CS
CN18
HW
CN19
TC
CN17
HW
CN17
TC CS
CN24
MODULE COM
MODULE POWER
CN23
BL
B
BL(OR W)
BR(OR B)
AC FAN
MOTOR
CN43
AC FAN
M
~
CN47
XQ
VALVE
M
VALVE A
CN15
CN10
AC-L OUT
T25A 250VAC
CN9
CAP
CN25
CN28
P
CAP
AC-L CN2
1(
N
)
●
PE
Y/G
CN50
4-WAY VALVE
DC FAN
MOTOR
M
CN22
CN3
CN11
DRED LINE
BL(OR W)
BR(OR B)
BL(OR W)
N
CN6
CN7
CN36
COMB
COMA
R
3(
C
)
1
2
Y
/G
TO
IN
D
O
O
R
U
N
IT
0010534175A
BL(OR W)
BR(OR B)
2(
L)
Y/G
P
O
W
ER
Summary of Contents for 1U71SABFRA
Page 11: ...Pinping diagrams Domestic air conditioner 4 Pinping diagrams Filter Filter ...
Page 12: ...Operation range Domestic air conditioner 5 Operation range 10 0 20 16 32 10 20 15 10 ...
Page 43: ...Seivice diagnosis Domestic air conditioner 41 ...
Page 44: ...Seivice diagnosis Domestic air conditioner 42 ...
Page 45: ...Seivice diagnosis Domestic air conditioner 43 ...
Page 56: ...Circuit diagrams Domestic air conditioner 54 ...