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
X
S
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
CN
35
CN
37
CN
29
CN1
+15V
ST1
RD
BK
RD
WH
BU
BK
YE
GN
YE
BN
CN22
CN28
CN17
CN25
CN34
COMP(INV)
P
N
RD
BU
GN
YE
GN YE BN
WH
BU
WH
RD
BK
BU
RD
RD
RD
OR
BK
L2
N
N
N
CN41
CN36
C
N2
3
CN
31
L2'
L1'
L3'
BK
IC22
CN1
CN2
BD-3
N1'
U V W
ENC1
ENC2
BU
BU
BU
BU
BN
BN
YE
YE
HE
AT
1
I
+
RD
BK
BU
4
5
1
2
3
CN7
CN1
9
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
CN
5
CN4
CN5
CN6
HE
AT
GR
EXV_A
CN
27
CHECK COOL
NUM_S
POWER
NET_ADDRESS
CN1
CN2
PTC*2
KM(B)
T
T
RD
WH
BK
CT2
GR
GR
FAN 1
FAN2
GR
N
BK
Y
/G
GND_1
GND_2
CN39
XT2
XT3
EXV_B
BU
CN3
T7
(WH)
CN4
T7
(WH)
L-YL1
X
S
3
XP3
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 i nlet 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
Electronic expansion val ve
Middle terminal
Middle termi nal
Water o
emp.sensor
utl et t
Curr 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 protection
Comm. error between 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 decrease or increase
High_pressure sensor error
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 error
TSC1 water outlet temp.sensor 1 error
TSC2 water out let 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 ENC 4
S10=00,ENC4 setting the qtyto be 1-15
.
S10=01,ENC4 setting the q to be 16-31
ty.
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
B U
B lue
B K
B lack
B N
B rown
GN
Green
OR
Orange
GR
Gray
Y E
Yell ow
Y /G
Yell ow /Green
COLOUR LEGEND
CN3 CN2 CN1
Qty.of main unit increase
Current protection board
DCCT1
I
+
Qty.setting o f indoor uni t
202095190760
YE YE
BU
BU BU
1
3
5
BN BN
BU
BU
BU
BU
BU
BK