Midea V6-i Series Service Manual



30‐
3
Figu
r

3
2HP
r
e5‐4.2:30‐32
H
N_out
RA
CN4
N_out
RB
CN4
CN10
CN10
Red(Black)
B
l
u
e
White
Red(Black)
H
Pwiringdiag
r
CN5
P_out
CN3
N
_
i
n
CN1
P_in
U
V
w
CN4
S7
CN6
CN7 CN11
L1
L2
L3
CN5
P_out
CN3
N
_
i
n
CN1
P_in
U
V
w
CN4
S7
CN6
CN7 CN11
L1
L2
L3
ON
ON
k
c
k
L8
L8
Red
Black B
l
u
e
C
o
m
p
r
e
s
s
o
r
b
d
A
Red(Black)
Red
White
B
l
u
e
C
o
m
p
r
e
s
s
o
r
Red
White B
l
u
e
Red(Black)
Red
Black
B
l
u
e
XT1
RB RA
Main board
AC filter board
Up layer
Comm. board
CN2
CN2
Black Blue
t
e core
t
e core
r
am 

U
V W
CN8(CN9)
IC17
COMP A
U
V W
IC17
COMP B
CN12 CN13 CN14
CN12 CN13 CN14
1
2
1
2
Black
Blac
Bla
c
d
r
i
v
e
b
o
a
r
d
A
Red
Black
B
l
u
e
d
r
i
v
e
b
o
a
r
d
B
Red
Black
B
l
u
e
BR1
BR2
DC fan drive board A
DC fan drive board B
Down layer
PCBA Layout
Brown
CN8(CN9)
Ferri
t
Ferri
t
TP1-PRO TP2-PRO
L-PRO
L3
’
L1
’
L2
’
L3
’
N
’
CN30
Red White Blue
Red White Blue
Black
FAN B
FAN A
(Left)
(Right)
FAN A/B EEVA/EEVB/EEVC BR1/BR2
COMP A/COMP B
DC Fan Electronic expansion valve Inverter compressor A/B
CODE NAME
Single-phase Bridge Rectifier
L-PRO
CN19
H-PRO
CN18
DSP1 DSP2
CN17
H-YL1T7C1
OKUPMENU DOWN
ENC3
S12
IN_NUM
TF1
T7C1
CN4
T7C2
CN5 CN8
T6A
C
T
T7C2
CN1
T4 T3
CN3
TF2
CN3_1
TF2
CN15
T6A
T4 T3
ENC2 POWER
L3
CN12
L1
L2
L3
N
CN9
CN10
CN11
CN30
H-YL1
1
ON
2
3
ENC1 NUM_ S
A
C
filt
e
r
boa
r
d
CN50
CN3
FAN A
N
P
DC fan drive
+
-~
~
BR1
CN31(CN32)
Red
Red
B
l
u
e
B
l
u
e
Black
Ferrite core
N=1
ST1 H-PRO/L-PRO H-YL1 RA/RB IC17 SV2/SV4-SV9 HEATA/HEATB
4-way valve Reactance Current sensor High/Low pressure ON/OFF switch High pressure sensor Crankcase heater Solenoid valve
L8
Current sensor
CN100
N8_1
T
6B
CN7
EE
V
CN27
O-FAN
CN26
O-C
CN20
O-O
EEVA
T6B
CN25
N
CN1
CN51
L1
L2
L3
CN2 CN3 CN4
Ceboad
Main board
FAN B
1
ON
2 34
C
N
1
(
C
N
4
)
SW1
w
CN41
DC
fan
drive
board A
+
-~
~
BR2
CN32(CN31)
B
l
u
e
B
l
u
e
Black
CN61
T3 T4 T7C1/T7C2 TF1/TF2
Plate heat exchanger cooling refrigerant inlet/outlet temperature sensor
Main exchanger pipe temperature sensor
T6A/T6B
Outdoor ambient temperature sensor Discharge temperature sensor Inverter-module heatsink temperature sensor
P
(
+
)
N
(
-
)
CN28
O-D
CN8
4
CN4
5
CN67
_
CN66
_
CN85
CN83
CN46
CN44
CN43
CN47
CN67
CN66
0
V
A
CN72
EEVC
EEVC
CN71
EEVB
EEVB
ST1 SV4 SV5 SV7 SV8A SV9
SV6 SV8BHEATB
HEATBHEATA
HEATA
CN30
CN82
N-ON
CN41
SV2
Red
Black
White
B
l
u
e
Red
Black
White
B
l
u
e
Black
Black Black Black
Comm. board
CN4
CN6
capacity setting
ENC2 B
30HP
C
32HP
ENC2
POWER
CN3
N
P
1
ON
2 34
C
N
1
(
C
N
4
)
SW1
H-PRO
Yell o
w
DC fan drive board B
Brown-1 Blue-1 Brown-2 Blue-2
XT1 TP1/TP2-PRO
Terminal block Discharge temperature ON/OFF switch
CN22 CN21
()
()
 V6‐i
V
ST1
4
5
_
1
_
1
SV4 SV5 SV7 SV8A SV9
SV6
SV8B
HEATA
HEATA
HEATB
HEATB
ABC
XT1
N
SV2
Power in
Attention
：
ENC2 is factory setting
，
do not change at will
；
ENC1 is available in multi outdoor unit system
CN4
CN6
To kilowatt- hour
To centrali- zed
controller
To indoor units communi-
cation
To outdoor units comm-
unication bus
Reserved
XT1
Outdoor unit address setting
ENC1 0
Master unit (Factory setting)
12
ENC1
NUM_S
Slave unit 1
Slave unit 2
RF50/6
0

ENC1
is
available
in
multi
outdoor
unit
system
.
The dotted frame section is use by some models.
This connection diagram is for reference only. Please refer to the actual product.
meter
controller
cation
bus
unication
bus
0
Hz 
67
Part5‐ ElectricalComponentsandWiringDiagrams

Midea V6-i Series Specifications

General

Brand	Midea
Model	V6-i Series
Category	Air Conditioner
Language	English