R410a DC Inverter 60Hz Carrier service manual
28 Specification & Performance
Wiring diagram for 12~16HP
SW1 SW2
CN29
ENC1
Main Unit
Auxiliary
0 1 2 3
XS6 X P 6
XS7 X P 7
XS5 X P 5
Main control board
Filter Board B
Inverter module A
P N
U V W
Red Black
CN24
CN26 CN25
L_PRO
H_PRO
CN10 CN27
CN1
T7C2 T3 T4
White
DSP1
L1
XT2
220V 3~ 60Hz
L2 L3
CN11
T7C1
XS4X P 4
SV1SV2SV3SV4SV5SV6
ENC2
8HP 10HP 12HP 14HP
0 1 2 3
CAPACITY SETTING
16HP
4
（ ）THE SETTING OF ENC2 IS NOT ALLOWED TO ALTER DISCRETIONARILY.
CN12
CN19
+15V
EXVB
ST1
Red White Blue
CN30
COMP(INV)
PN
Blue
Red
CN18
Yellow
CN13
U
V
W
ENC1 ENC2
4
5
CN20CN21
123
CN3
CN1
P
N
CN3
CN1
FAN CONTROL PANEL A
FANB
CN4
FANA
CN4
P
N
CN16
CN43
Black
ENC4
CT1
EXVA
CHECK
COOL
NUM_S
POWER
NET_ADDRESS
L3L1
Yellow/Green
L2
CT2
L3’L1’L2’
L3L1 L2
L3’
L1’
L2’
CN44 CN43
CN45
4
5
123
L-3
2T1 6T3
A1
A2
DC Filter Board B
N P
N P
P N
U V W
CN1
+15V
COMP(INV1)
PN
CN1
CN2
U
V
W
CN17
PTC-IN
L-1
A1
A2
N
P
N
P
PTC-IN
CN39
白
红
CN3 2
H-YL1
L-YL1
CN6
CN14
CN6
1L1 5L3
1L1
2T1
6T3
5L3
Red
DSP2
KM(B)
KM(A)
CN46
TRANS1、TRANS2
H-PRO
XT1 XT2、
T3
XP4-XP7
XS4-XS7
FANA、FANB
COMP（INV）、
KM(A、B)
ST1
HEAT 、INV
HEAT
INV1
Inverter compressor
DC fan
Main 4-way valve
Contactor
Crankcase heater
Terminal
Condenser pipe Temp.sensor
Middle terminal
T4
Outdoor Temp.sensor
T7C1、T7C2
Discharge Temp.sensor
of inverter compressor
L-PRO
Low pressure ON/OFF switch
CODE
NAME
3-phase bridge rectifier
L-1、L-2 L-3、 Reactor
SV1-SV6 Solenoid valve
EXVA、EXVB
CT1、CT2、
IC16、IC17
H-YL1
High pressure sensor
COMP（INV1）
L-YL1 Low pressure sensor
BD-B
BD-A
IC16
I
IC17
I
CN4 CN5
CN6
H1 H2 EK1 K2 E O A EX Y E P Q E
Blue
Inverter module B
Elctronic expansion valve
FAN CONTROL PANEL B
Filter Board A
DC Filter Board A
NETWORK SETTING
Unit 1
Auxiliary
Unit 2
Auxiliary
Unit 3
Tooutdoorunits
centralmonitor
Tokilowatthour
meter
Toindoorunits
centralmonitor
Toindoorunits
communicationbus
Tooutdoorunits
communicationbus
Middle terminal
Current inductor
Power transformer
Note:x reprsents for a system,1-A system,2-B system
High pressure ON/OFF switch
CN1
Brown Brown Brown
Red
Red
Red
Black
Red
Red
Red
White
Red
Black
Black
Brown
Blue
Brown
Blue
White
Yellow
Red
Red
Red
Black
Blue
Re d
Red
Red
Black
Black
Blue
Red
Brown
Brown
Green
Blue
Blue Red BlackBlue
Blue
Blue
Blue
Blue
Blue
Blue
Bl ue
Yellow/Green
Yellow/Green Yellow/Green
Yellow/Green
L-2
CN47 CN49 CN51 CN55
CN48
CN50 CN52
Br own
Brown
Brown
Brown
White
Red RedWhite WhiteBlue Blue
Red Red
Black
Blue
Brown
Brown
Blue
Blue
Red
Black
Blue
Brown
Yellow
Blue
Brown
Blue
Green
CN38
C
N
4
1
C
N
4
0
C
N
4
2
E4
E8
P1
P2
xP3
dF
DSP1 and DSP2 display content
P4
P5
xP6
E0 Outdoor unit COMM.Error
H3
H2
xH0
d0
P9
H7
H8
xH4
H1
E2 COMM.Error with indoor unit
yHd
H5
H6
E5
T3 or T4 Temp.sensor error
Voltage protecation
Outdoor unit address error
Oil returning
Defrosting
DC fan protection
Inverter module protection
High condenser Temp.Protection
Discharge Temp.Protection
Compressor current protection
Low pressure protection
High pressure protection
COMM.Error between DSP and main chip
COMM.Error between 0537 and main chip
QTY.Of outdoor unit decreases error
QTY.Of outdoor unit increases error
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 units decreases error
High pressure sensor error
Auxiliary unit error（y
）1Hd stands for auxiliary unit1 error
=1,2,3.e.g,
H9 3 times of P9 protection in 60 minutes
(INV gas)
(INV1 gas)
Brown
Blue
Blue
Brown
XT1
L10
CN8
Tsrq
E7
Discharge Temp.sensor error
CN36 CN35
202095190945
CN60
CN61
CN63
CN62
CN64
CN60CN61
CN62 CN63
CN64
L N
PL
C7
The Temp.of inverter module protection
3 times of PL protection in 100 minutes
Blue
Brown
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