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Si12-308
4MXD80BVMA, 4MXD80BVMT, 4MXS68 / 80BVMB
GRN
POWER SUPPLY
Z3C
~ 50Hz 220-240V
GRN
~ 60Hz 220-230V
YLW
X1M
HE
FIELD WIRING
HL
FU1
L
30A
SA1
TO INDOOR UNIT
V3
HN
N
ROOM A
X2M
MID1
1
1
2
2
3
3
ROOM B
X3M
S11
1
1
1
2
2
3
3
ROOM C
X4M
7
1
1
2
2
3
3
ROOM D
X5M
1
1
2
2
3
3
Z1C~Z3C
: FERRITE CORE
X1M~X5M
: TERMINAL STRIP
Y1E~Y4E
: ELECTRONIC EXPANSION VALVE COIL
V2~V5
: VARISTOR
FU1 , FU2. FU201 : FUSE
HE , HL , HN
E , AC1 , AC2
H1 , H2 , L1
L2 ,
: CONNECTOR
MRM10 , MRM20
MRB , MRD
MRC/W
: MAGNETICRELAY
R1T~R12T
: THERMISTOR
S2~S102
: CONNECTOR
H1P~H5P
: PILOT LAMP
3MXD68BVMC
POWER SUPPLY
Z3C
~ 50Hz 220-240V
GRN
~ 60Hz 220-230V
YLW
X1M
HE
FIELD WIRING
HL
FU1
L
30A
SA1
V3
N
HN
TO INDOOR UNIT
ROOM A
X2M
MID1
1
1
2
2
3
3
ROOM B
X3M
S11
1
1
1
2
2
3
3
ROOM C
X4M
7
1
1
2
2
3
3
Z1C~Z3C
:
FERRITE CORE
X1M~X4M
:
TERMINAL STRIP
Y1E~Y3E
:
ELECTRONIC EXPANSION VALVE COIL
V2~V5
:
VARISTOR
FU1 , FU2 , FU201 :
FUSE
HE , HL , HN
E , AC1 , AC2
H1 , H2 , L1
L2 ,
:
CONNECTOR
MRM10 , MRM20
MRB , MRD
MRC/W
:
MAGNETIC RELAY
R1T~R12T
:
THERMISTOR
S2~S102
:
CONNECTOR
H1P~H5P
:
PILOT LAMP
Appendix
YLW
MRM20
E
AC1
MRM10
RED
AC2
BLK
V2
S15
FU2
1
3.15A
V5
5
S10
WHT
1
WHT
WHT
WHT
7
S51
S101
1
12
1
5
1
1
S52
12
1 S102
5
Y1S Y1R
S2
H5P
H4P
H3P
H2P
H1P
S2W
S5W
S1W
S3W
S4W
L
: LIVE
N
: NEUTRAL
S1W : FORCED OPERATION ON/OFF SW ( SW1 )
S2W : FORCED OPERATION MODE SELECT SW ( SW2 )
S3W : WIRING ERROR CHECK SW ( SW3 )
S4W : PRIORITY ROOM SETTING SW ( SW4 )
S5W : NIGHT QUIET MODE SETTING SW ( SW5 )
SA1 : SURGE ARRESTER
Y1R : REVERSING SOLENOID VALVE COIL
Y1S : DEFROST SOLENOID VALVE COIL
PCB : PRINTED CIRCUIT BOARD
DB1 : DIODE BRIDGE
M1C : COMPRESSOR MOTOR
M1F : FAN MOTOR
Q1L : OVERLOAD PROTECTOR
CT1 : CURRENT TRANSFORMER
GRN
YLW
MRM20
E
AC1
MRM10
RED
AC2
BLK
V2
S15
FU2
1
3.15A
V5
5
S10
WHT
1
WHT
WHT
WHT
7
S51
S101
1
12
1
5
1
1
12
1 S102
5
S52
Y1S
S2
H5P
H4P
H3P
H2P
H1P
S2W
S5W
S1W
S3W
S4W
L
:
LIVE
N
:
NEUTRAL
( SW1 )
S1W :
FORCED OPERATION ON/OFF SW ( SW1 )
S2W :
( SW2 )
FORCED OPERATION MODE SELECT SW ( SW2 )
( SW3 )
WIRING ERROR CHECK SW ( SW3 )
S3W :
( SW4 )
S4W :
PRIORITY ROOM SETTING SW ( SW4 )
( SW5 )
S5W :
NIGHT QUIET MODE SETTING SW ( SW5 )
SA1 :
SURGE ARRESTER
Y1R :
REVERSING SOLENOID VALVE COIL
Y1S :
DEFROST SOLENOID VALVE COIL
PCB :
PRINTED CIRCUIT BOARD
DB1 :
DIODE BRIDGE
M1C :
COMPRESSOR MOTOR
M1F :
FAN MOTOR
L1R :
REACTOR
Q1L :
OVERLOAD PROTECTOR
ORG
L1
DB1
Z2C
H1
+
+
YLW
RED
~
CT1
H2
-
~
-
BLU
BLK
CN11
1
R12T
1
5
t˚
S91
S32
1
3
1
5
1
S80
PCB
A
B
C
S20
S21
S22
9
1
6
1
6
1
6
M
M
M
Y1E
Y2E
Y3E
MID1~MID2 : MOLDED INTER CONNECT DEVICE
SPM
: SYSTEM POWER MODULE
ORG
L1
DB1
Z2C
H1
+
+
YLW
~
RED
CT1
H2
-
~
-
BLU
BLK
CN11
1
R12T
1
5
t˚
S91
S32
1
3
1
5
1
PCB
S80
A
B
C
S20
S21
S22
9
1
6
1
6
1
M
M
M
Y1R
Y1E
Y2E
Y3E
CT1
:
MID1~MID2 :
SPM
:
BLK:
ORG:
BLU:
RED:
BRN:
WHT:
GRN:
YLW:
GRY:
Wiring Diagrams
FU201
7
MID2
L1R
3.15A
Z1C
S70
ORG
P1
+
+
+
L2
P1
1
N1
N1
P2
P2
TB6
W
W
SPM
TB5
V
V
TB4
U
U
N
CN14
S72
S34
10
1
8
1
S31
9
1
8
1
S71
S33
1
8
S6
D
S90
S92
S23
1
6
1
6
1
8
t˚
t˚
t˚
t˚
t˚
t˚
M
R3T
R2T
R1T
R8T
R9T
R10T
R11T
Y4E
( OUTDOOR )
( DISCHARGE )
( ROOM-A )
( ROOM-C )
( CONDENSER )
( ROOM-B )
( ROOM-D )
( GAS PIPE )
ASSIGNMENTS OF
TERMINALS OF THE COMP.
U
V
N
W
FU201
7
L1R
MID2
3.15A
S70
Z1C
ORG
P1
+
+
+
P1
L2
1
N1
N1
P2
P2
TB6
W
W
SPM
TB5
V
V
TB4
U
U
N
CN14
S72
10
1
8
1
S31
9
1
8
1
S71
1
8
S6
S90
S92
6
1
6
1
t˚
t˚
t˚
t˚
t˚
t˚
R3T
R2T
R1T
R8T
R9T
R10T
( OUTDOOR )
( DISCHARGE ) ( ROOM-A )
( ROOM-C )
( CONDENSER )
( ROOM-B )
CURRENT TRANSFORMER
( GAS PIPE )
MOLDED INTER CONNECT DEVICE
SYSTEM POWER MODULE
ASSIGNMENTS OF
TERMINALS OF THE COMP.
U
V
N
W
RED
M1F
M
~
1
BLU
BRN
ORG
WHT
M1C
X11A
U
BLU
RED
V
M
N
YLW
YLW
~
3
RED
BLU
W
BRN
BRN
Q1L
10
10
1
4
S40
S93
1
9
t˚
t˚
t˚
t˚
t˚
R4T
R5T
R6T
R7T
( ROOM-A )
( ROOM-C )
( ROOM-B )
( ROOM-D )
( LIQUID PIPE )
3D034312C
RED
M1F
M
BLU
1
BRN
ORG
WHT
M1C
X11A
U
BLU
RED
V
M
N
YLW
YLW
3
RED
BLU
W
BRN
BRN
Q1L
S34
10
10
1
4
S33
S40
S93
8
1
9
t˚
t˚
t˚
R4T
R5T
R6T
( ROOM-A )
( ROOM-C )
( ROOM-B )
( LIQUID PIPE )
3D034311C
283
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