Midea V4 Plus User Manual

MCAC-VTSM-2016-04 R410A DC Inverter VRF V4 Plus W Series 50Hz
Specification & Performance 21
5. Electric wiring
5.1 Wiring diagram for 8,10,12HP
SW1
SW2
CN21
X S 6 XP6
X S 7 XP7
TRANS1
XS 5
XP5
Filter board,three phase
Inverter module
L3
L1
P N
U V W
RD
BK
BU
E2 E1
RD
BK
CN16
CN24 CN26
L_PRO
H_PRO
CN6
CN9
CN8
TSC1
TSC2
WH
DSP1
R1 R2
RD
YE
(BK)
C4
A
XT1
Three phase power
B
N
C
XS4
XP4
FAN
F1
ST1
SV6
SV4 SV3
SV2
HEAT
SV2
SV3
SV4
SV6
BU
N N N N N
~
~
~
Y/G
Z4C N=1
Z5C
N=3
TRAN S2
CN35 CN37
CN29
CN1
+15V
ST1
RD
BK
RD
WH BU BK
YE
GN
YE
BN
CN22
CN28 CN17
CN25
CN34
COMP(INV)
PN
RD
BU
GN
YE
GN YE BN
WH
BU
WH
RD
BK
BU
RD
RD
RD
OR
BK
L2
N NN
CN41
CN36
CN23
CN31
L2'
L1'
L3'
BK
IC22
CN1CN2
BD-3
N1'
U
V
W
ENC1
ENC2
BUBUBUBU
BN
BN
YE
YE
HEAT1
I+
RD
BK
BU
4
5
12
3
CN7
CN19
BK
JP1
ENC3
CT1
BU
WH
L-3
CN 18
H-YL1
P
N
Filter board
H1 H2 E
K1 K2 E O A E
X Y E P Q E
CN5
CN4 CN5
CN6
HEAT
GR
EXV_A
CN27
CHECK COOL
NUM_S
POWER
NET_ADDRESS
CN1 CN2
PTC*2
KM(B)
T
T
RD
WH
BK
CT2
GR
GR
FAN1 FAN2
GR
N
BK
Y /G
GND_1
GND_2
CN39
XT2
XT3
EXV_B
BU
CN3
T7
(WH)
CN4
T7
(WH)
L-YL1
XS 3XP3
TSJ
CN10
T5
CN11
YE
A1
A2
2
4
GN
RD
WH
BU
BU
WH
RD
N'
BK
BN
BK
BK
BN
6
Y/G
BN
BN
RD
BK
OR
YE
RD
YE
RD
RD
BK BK
BU
BK
Mid-terminal base
To main units
central monitor
To kilowatthour
meter
To main units
central monitor
To main units
communication bus
To main units
communication bus
To water flow switch(Never apply
line voltage to digtal input !!)
Pump control signal
(To contactor coil)
Main Control Board
TRANS1 TRANS2、
TSJ
INV(HEAT,HEAT )1
T5
T7
BD-3
E1,E2,C4
L-3
PTC
PTC resi stor
SV1-SV7
R1,R2
Resistor
CT1,CT2,IC22,DCCT1
H-YL1,L-YL1
High/Low pressure sensor
COMP I NV（）
TSC1,TSC2
Water inlet temp.sensor
H-PRO
XT1-XT3
XP1-XP7
XS1-XS7
FAN1,FAN2
KM(B)
ST1
Cooling fan of control box
L-PRO
Name
EXV_ A E XV _B，
Code
Inverter compressor
Main 4-way valve
Contactor
Terminal
Low pressure ON/OFF switch
High pressure ON/OFF switch
Electr onic expansion val ve
Middle terminal
Middle t erminal
Wa ter o emp.sensorutlet t
Cur r ent i nd uctor
Power transformer
3-phase bridge rectifier
Reactor
Sol enoid val ve
Crankcase heater
Fi lter capaci tor
Discharge Temp.sensor
Temp.sensor of inverter module
E1
E8
E9
P1
P2
P3
C6
DSP1 display content
P4
P6
E0
P0
H3
H2
H0
C7
H7
H8
H4
H1
E2
H5
H6
C1
C2
C3
High or Low water outlet temp.
C4
C5
C0
C8
d0
F0
Main unit Comm.error
Phase protection
Comm.error with indoor unit
Main unit address error
Power protec tion
Comm. error bet ween DSP and main chip
Comm. error between 0537 and main chip
Qty.of main unit decrease
3 times of P6 protection in 60 minutes
3 times of P2 protection in 60 minutes
3 times of P4 protection in 100 minutes
Qty.of indoor unit de crease or increase
High_pressure sensor err or
Inverter compressor top temp.protection
High pressure protection
Low pressure protection
Compressor current protection
High discharge Temp. Protection
Inverter module protection
TSJ water inlet temp.sensor er ror
TSC1 water outlet temp.sensor 1 error
TSC2 water outlet temp.sensor 2 error
Low_pressure sensor error
Hi gh or Low water inlet temp.
Low vol tage protection
High temp.of inverter modul e
Oil ret urning
3 times of C4 protection in 60 minutes
Water flow switch open faul t
S 10
ENC4
S10=00,ENC4 setting the qtyto be 1-15.
S10=01,ENC4 setting the q to be 16-31ty.
S10=10,ENC4 setting the qty.to be 32-47
S10=10,ENC4 setting the qty.to be 48-63
ENC1
Master Unit
0
1 2
ENC2
8P 10P 12P
0 1 2
CAPACITY SETTING
ADDRESS SETTING
Slave Unit 1
Slave Unit 2
(THE SETTING OF ENC2 IS NOT ALLOWED TO
ALTER DISCRETIONARILY.)
RD R ed
WH
White
BU
B lue
BK
B lack
BN
B row n
GN
Green
OR
Orange
GR
Gray
YE
Yell ow
Y /G
Yell ow /Green
COLOUR LEGEND
CN3 CN2 CN1
Qty.of main unit increase
Current protection board
DCCT1
I+
Qt y. sett ing o f indoor uni t
202095190760
YE YE
BUBU BU
1
3
5
BN BN
BU
BU
BU
BU BU
BK

Midea V4 Plus Specifications

General

Brand	Midea
Model	V4 Plus
Category	Heat Pump
Language	English