Midea V6 Series User Manual

V6
66
Midea V6 Series Service Manual
4
W
8-2
8
Figu
r
VRF 50
H
W
iring Dia
8
HP
r
e5‐4.1:8‐28H
P
N out
RA
Nout
RB
CN10
CN10
Red(Black)
B
l
u
e
White
Red(Black)
H
z 
grams
P
wiringdiagra
CN5
P_out
CN3
N
_
i
n
CN1
P_in
N
_
out
U
V
w
CN4
S7
CN6
CN7 CN11
L1
L2
L3
CN5
P_out
CN3
N
_
i
n
CN1
P_in
N
_
out
U
V
w
CN4
S7
CN10
CN6
CN7 CN11
L1
L2
L3
CN10
ON
ON
k
c
k
L8
L8
Red
Black
B
l
u
e
C
o
m
p
r
e
s
s
o
r
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
R
A
RB
Main board
AC filter board
Up layer
Comm. board
CN2
CN2
Black Blue
m
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
k
Bla
c
B
l
u
e
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
B
lu
e
R
A
RB
BR1
BR2
C
o
m
p
r
e
s
s
o
r
d
r
i
v
e
b
o
a
r
d
B
C
o
m
p
r
e
s
s
o
r
d
r
i
v
e
b
o
a
r
d
A
DC fan drive board A
DC fan drive board B
Down layer
PCBA Layout
Brown
CN8(CN9)
+
-~
~
BR1
TP1-PRO TP2-PRO
L-PRO
L3
’
L1
’
L2
’
L3
’
N
’
FAN A
CN30
Red White Blue
Red White Blue
Black
Red B
l
u
e
FAN A/B
H
-
PRO/L
-
PRO
EEVA/EEVB/EEVC HEATA/HEATB BR1/BR2
COMP A/COMP B
DC Fan Hi
g
h/Low
p
ressure ON/OFF switch
Electronic expansion valve Crankcase heater Inverter compressor A/B
CODE NAME
Single-phase Bridge Rectifier
H-PRO
L-PRO
CN19
H-PRO
CN18
DSP1 DSP2
CN17
H-YL1T7C1
OKUPMENU DOW N
ENC3
S12
IN_NUM
TF1
T7C1
CN4
T7C2
CN5 CN8
T6A
C
N
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
CN3
N
P
CN30
H-YL1
CN31(CN32)
1
ON
2 3
+~
BR2
CN32(CN31)
ENC1 NUM_ S
(Left)
AC filter board
Red B
l
u
e
B
l
u
e
Black
DC fan drive
board
A
ST1
HPRO/LPRO
T3 H-YL1 RA/RB IC17 SV2/SV4-SV9
Main exchanger pipe temperature
se
n
so
r
4-way valve Reactance Current sensor
gp
High pressure sensor Solenoid valve
L8
Current sensor
CN100
N
8_1
T
6B
CN7
0
EEV
A
CN27
O-FAN
CN26
O-C
CN20
O-O
EEVA
T6B
CN25
N
CN5
CN51
L1
L2 L3
CN6 CN7 CN8
1
ON
2 34
C
N
1
(
C
N
4
)
-~
SW1
B
l
u
e
Black
board
A
Main board
XT1
TP1/TP2-PRO T4 T7C1/T7C2 TF1/TF2
Plate heat exchanger cooling refrigerant inlet/outlet temperature sensor
se so
T6A/T6B
T
erminal block
Outdoor ambient temperature sensor Discharge temperature ON/OFF switch Discharge temperature sensor Inverter-module heatsink temperature sensor
CN21(CN22)
CN28
O-D
FAN B
CN84
CN45
CN67_1
CN66_1
CN85
CN83
CN46
CN44
CN43
CN47
CN67
CN66
0
A
CN72
EEVC
EEVC
CN71
EEVB
EEVB
ST1 SV4 SV5 SV7 SV8A SV9
SV6 SV8BHEATB
HEATBHEATA
HEATA
CN30
CN82
N-ON
CN41
SV2
(Right)
Red
Black
White
B
l
u
e
Red
Black
White
B
l
u
e
Black
Black Black Black
CN4
CN6
Comm. board
capacity setting
ENC2
1
8HP
2
10HP
3
12HP
4
14HP
5
16HP
6
18HP
capacity setting
ENC2
7
22HP
8
24HP
9
26HP
A
28HP
0
20HP
ENC2
POWER
XT1
T
erminal
block
CN3
N
P
ST1 SV4 SV5 SV7 SV8A SV9
SV6
SV8B
HEATA
HEATA
H EAT B
H EAT B
ABC
XT1
N
SV2
1
ON
2 34
C
N
1
(
C
N
4
)
SW1
DC fan drive board B
Power in
Attention
：
ENC2 is factory setting
，
do not change at will
；
ENC1 is available in multi outdoor unit s
y
stem.
CN4
CN6
To kilowatt- hour
meter
To centrali- zed controller
To indoor units communi- cation
To outdoor units comm- unication bus
Reserved
Outdoor unit address setting
ENC1 0
Master unit (Factory setting)
12
ENC1
NUM_S
Slave unit 1
Slave unit 2

y
The dotted frame section is use by some models.
This connection diagram is for reference only. Please refer to the actual product.
meter
bus


Midea V6 Series Specifications

General

Brand	Midea
Model	V6 Series
Category	Air Conditioner
Language	English