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R410a DC Inverter 60Hz
Carrier service manual
28
Specification & Performance
Wiring diagram for 12~16HP
SW1
SW2
CN29
ENC1
Main UnitAuxiliary
0
1
2
3
X
S
6
X
P
6
X
S
7
X
P
7
X
S
5
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
W
hi
t
e
DSP1
L1
XT2
220V 3~ 60Hz
L2
L3
CN11
T7C1
X
S
4
X
P
4
SV1
SV2
SV3
SV4
SV5
SV6
ENC2
8HP
10HP
12HP
14HP
0
1
2
3
CAPACITY SETTING
16HP
4
(
)
THE SETTING OF ENC2 IS NOT ALLOWED TO ALTER DISCRETIONARILY.
CN
12
CN
19
+15V
EXVB
ST1
Red
White
Blue
CN30
COMP(INV)
P
N
Bl
ue
Re
d
CN18
Y
el
l
ow
CN
13
U
V
W
ENC1
ENC2
4
5
CN20
CN21
1
2
3
CN
3
CN1
P
N
CN
3
CN1
FAN CONTROL PANEL A
FANB
CN4
FANA
CN4
P
N
CN
16
CN
4
3
B
la
c
k
ENC4
CT1
EXVA
CHECK
COOL
NUM_S POWER
NET_ADDRESS
L3
L1
Yellow/Green
L2
CT2
L3’
L1’L2’
L3
L1
L2
L3’
L1’L2’
CN
44
CN
43
CN45
4
5
1
2
3
L-3
2T1
6T3
A1
A2
DC Filter Board B
N
P
N
P
P
N
U V
W
CN
1
+15V
COMP(INV1)
P
N
CN
1
C
N2
U
V
W
CN17
PTC-IN
L-1
A1
A2
N
P
N
P
PTC-IN
CN
39
白
红
CN
3
2
H-YL1
L-YL1
CN
6
CN
14
CN
6
1L1
5L3
1
L1
2T
1
6T
3
5L
3
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 E
K1 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
CN
1
Brown Brown Brown
Red
Red
Red
Black
Red
Red
Red
White
Red
Black
Black
Brown
Blue
Brown
Blue
White
Y
el
l
ow
R
ed
R
ed
Re
d
Bl
ac
k
Bl
ue
Re
d
Re
d
Re
d
Bl
ac
k
Bl
ac
k
Bl
ue
Re
d
Br
ow
n
B
ro
wn
Gr
ee
n
Bl
ue
Blue
Red Black Blue
B
lu
e
B
lu
e
B
lu
e
B
lu
e
B
lu
e
Bl
ue
Bl
ue
Yellow/Green
Yellow/Green
Yellow/Green
Yellow/Green
L-2
CN47
CN49
CN51
CN55
CN48
CN50
CN52
Br
ow
n
Br
ow
n
Br
ow
n
Br
ow
n
White
Red
Red
White
White
Blue
Blue
Red
Red
Black
Blue
Brown
Brown
Blue
Blue
Red
Black
Blue
Brown
Yellow
Bl
ue
B
ro
w
n
B
lu
e
Gr
e
en
CN38
CN41
CN40
CN42
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
(I
N
V
g
as
)
(I
NV
1
g
as
)
Br
ow
n
B
lu
e
Bl
ue
Brown
XT1
L10
CN8
Tsrq
E7
Discharge Temp.sensor error
CN36
CN35
202095190945
CN60
CN61
CN63
CN62
CN64
CN60
CN61
CN62
CN63
CN64
L
N
PL
C7
The Temp.of inverter module protection
3 times of PL protection in 100 minutes
Blue
Brown