Service manual
23
7
Wiring Diagrams
Outdoor Units
Inverter Unit (10HP, 8HP)
MM-A0280HT, MM-A0224HT
TK2
RED
RED
WHI
BLU
BLU
BLK
BLK
CN515
(BLU)
3
1
3
1
CN402
CN403
CN401
CN400
(WHI)
(BLU)
WHI
BLK
GRY
ON
1 2 3 4
SW06
ON
1 2 3 4
SW07
SW04
SW05
SW03 SW02 SW01
ON
1 2
SW08
ON
1 2
SW09
D716 D717 D715D714
6 5 4 3 2 1
6 5 4 3 2 1
6 4 3 2 1
CN311
CN312
CN313
CN314
BLU
BLU
BLU
BLU
BLU
BLU
BLU
BLU
(BLU)
(BLK)
(BLU)
(BLK)
BLU
BLU
PMV
1
PMV
2
PMV
3
CN300
CN301
CN302
D801
D802
RED
BLU
ORG
YEL
WHI
RED
BLU
ORG
YEL
WHI
GRY
RED
BLU
ORG
YEL
WHI
(WHI)
(WHI)
(RED)
Interface Control PC Board
MCC
-
1343
-
03
CN602
(WHI)
CN601
(BLU)
BLU
52C2
FL1
FL2
RED
RED
R
E
D
R
E
D
RED
REDREDRED
WHI
WHI
BLK
BLK
GRY
GRY
CN01
CN02
CN03
CN04
CN17
CN18
CN19
CN20
GRY
(WHI) (BLU)
RED
WHI
BLK
GRY
MCC
-
1366
-
01
L1
L2
L3
N
RED
WHI
BLK
GRY
RED
WHI
BLK
(D.O.L.)
(RED)
ORG
ORG
RED
WHI
(WHI)
WHI
PNK
49C2
GRY
GRY
YEL
BLK
BLK
(RED)
63H2
RED
ORG
GRY
BRN
BLK
PUR
BRN
CN307
CN308
(WHI)
(BLK)
CN304
(RED)
(BLU)
CN316
CN317
AH
ORG
ORG
BLK
RED
(WHI)
BLU
BLU
1 1
3 3
7 7
5 5
1 1
3 3
1 1
3 3
5 5
7 7
SV3A
SV2
SV3C
SV3B
GRY
4 2 1
4 2 1
1 1
3 3
1 1
3 3
FM
BLK
RC
N T1 T2 T3 E
N L1 L2 L3 E
6 4 3 2 1
6 4 3 2 1
6 4 3 2 1
R
S
U
V
51C 52C1
U
V
W
GRY
GRY
GRY
GRY
CN604
(WHI)
12
12
BLK
TK3
TD1
TS1
TE
TD2
BLK
BLK
BLK
BLK
BLK
BLK
BLK
BLK
BLK
3 1
3 1
3 1
3 1
CN502
CN505
CN504
CN503
(BLU)
(WHI)
(RED)
(WHI)
(GRN)
3 1
CN600
(WHI)
3 1
CN501
CN500
CN100
CN516
TK1
CN507
(RED)
(BLU)
(WHI)
(BLK)
RED
BLK
BLK
BLK
WHI
3
1
3
1
3
1
3
1
49C1
ORG
BLK
BLK
YEL
BLU
BLU
WHI
WHI
(WHI)
WHI
WHI
WHI
WHI
BLU
BLU
BLU
CN11
CN08
CN09
PO5
PO4
CN07
(WHI)
T03
CN10
PINK
RED
BLU
WHI
BLK
12345
12345
CN501
(BLK)
11
T02
CN01
CN02
CN03
CN14
CN15
CN16
CN04
CN06
(BLU)
(BLK)
RED
GRY
RED
BLU
BLK
RED
WHI
11
11
33
33
33
D406
MCC
-
1342
-
01
FL3
21
21
21
21
4
3
1
4
3
1
RED
BLK
WHI
4
3
2
4
3
2
1 1
3 3
1 1
3 3
1 3
1 3
1 3
1 3
5 3 1
5 3 1
5 3 1
5 3 1
5 3 1
5 3 1
5 3 1
5 3 1
5 3 1
5 3 1
5 3 1
5 3 1
5 3 1
5 3 1
5 3 1
5 3 1
1 2 3 4
20SF
3 1
3 1
3 1
3 1
CM2
SV42
21
21
21
21
CN22
CN23
(WHI)
ORG
BLK
6 5 4 3 2 1
6 5 4 3 2 1
CM1
RED
WHI
BLK
63H1
BLK
BLK
(BLK)
ORG
BLK
ORG
P
Q
P
Q
X
Y
X
Y
P
Q
12
12
12
12
Symbol Part Name
CM 1, 2 Compressor
FM Fan motor
52C
1, 2 Electromagnetic contactor
for compressor
49C 1, 2 Inner overload relay
51C Overload relay
PMV 1, 2, 3 Electronic flow control valve
63H 1, 2 High pressure switch
RC Running capacitor
SV Two-way valve
20SF Four-way valve
Tr Transformer
AH Accumulator heater
Temperature sensor
Ferrite Core
FL
1, 2, 3
Fuse (20 AMP)
42, 2
3A, 3B, 3C
TD1, 2 TE
TK1, 2, 3 TS
MCC-1342-01
MCC-1366-01
RC
L1 L2 L3
N
FL1
FL2
FL3
52C2
51C2
52C1
X YP Q
MCC-1343-03
Power Supply
Electolytic
Capacitor
Posistor
Parts Layout
Filter Board
Posistor
Pressure
Sensor
PD
Pressure
Sensor
PS
Reactor
Reactor
Electrolytic
Capacitor
Tr
(Inverter)
IPDU Board
Isolator
1. The dashed line indicates wiring on the site.
2. and indicates terminal blocks and the
numbers within them are terminal numbers.
3. indicates a printed circuit board.
Power Supply
50H
z
3N~380/415V