Si12-411A Wiring Diagrams
Appendix 279
2.2.2 Heat Pump
3MXD68BVMA, 3MXS52BVMB(8), 3AMXS52BVMB
4MXD80BVMA, 4MXS68/80BVMB9, 4MXS68CVMA
ROOM A
ROOM B
ROOM C
TO INDOOR UNIT
3
3
3
2
2
2
POWER SUPPLY
~50Hz 220-240V
~60Hz 220-230V
1
1
1
FIELD WIRING
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
X3M
X4M
X2M
X1M
L
3
3
3
2
2
2
N
1
1
1
GRN
30A
FU1
YLW
SA1
MID1
V3
Z3C
HE
1
7
HL
S11
HN
GRN
WHT
WHT
WHT
WHT
RED
BLK
YLW
AC2
AC1
H5P
1
E
1
S2W
S10
S15
BLU
V2
BLU
H4P
7
1
5
1
BLU
BLU
H3P
S5W
S51
S52
BLU
BLU
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
L1R : REACTOR
Q1L : OVERLOAD PROTECTOR
CT1 : CURRENT TRANSFORMER
H2P
BLU
BLU
S1W
H1P
BLU
BLU
BLU
12
S2
12
BLU
S3W
1
1
RED
S102
S101
BLK
V5
S4W
WHT
5
5
GRN
MRM20
MRM10
FU2
3.15A
MRB
1
MRD
Y1S
BLU
MRC W
Y1R
BLK
S80
CT1
BLU
9
BLK
H2
H1
S91
1
WHT
YLW
BLU
t°
MID1~MID2 : MOLDED INTER CONNECT DEVICE
SPM : SYSTEM POWER MODULE
YLW
Y1E
S20
R12T
1
M
A
ORG
BLK
Z2C
BLU
3
BRN
6
RED
1
~
WHT
~
DB1
1
BLK
YLW
+
-
Y2E
S21
BLK
M
B
ORG
BLK
BLU
BLK
RED
PCB
BLK
BRN
5
6
BLK
RED
S32
1
CN11
WHT
5
YLW
1
Y3E
S22
+
-
M
C
ORG
ORG
L1
1
1
BLU
BLK
BRN
BLK
6
SPM
RED
BLK
ASSIGNMENTS OF
TERMINALS OF THE COMP.
BLK
CN14
BLK
ORG
L2
BLK
L1R
Z1C
V
BLK
BLK
P2
W
9
N1
P1
U
W
V
U
BLK
10
(
OUTDOOR
)
S31
N
R3T
1
(
CONDENSER
)
BLU
MID2
TB6
TB4
t°
TB5
P2
N1
P1
R2T
S90
GRY
1
1
(
DISCHARGE
)
WHT
t°
+
R1T
S6
ORG
BLK
6
BRN
t°
S71
+
S72
1
BLU
+
(
ROOM-A
)
FU201
3.15A
R8T
1
BLK
8
8
(
ROOM-B
)
RED
t°
R9T
(
GAS PIPE
)
GRY
1
1
S92
S70
(
ROOM-C
)
BRN
t°
8
R10T
W
V
U
N
1
7
BRN
t°
RED
S33
S34
8
YLW
WHT
RED
BRN
ORG
BLU
BLU
BRN
RED
(
ROOM-A
)
YLW
R4T
1
BLK
3D034314G
(
LIQUID PIPE
)
(
ROOM-B
)
X11A
10
t°
10
R5T
BLU
GRY
(
ROOM-C
)
S93
YLW
t°
BRN
BLU
RED
R6T
1
YLW
GRY
V
S40
t°
1
3
M1F
M1C
M
M
BLK
4
W
U
Q1L
BLK
9
N
ROOM A
ROOM B
ROOM C
ROOM D
TO INDOOR UNIT
POWER SUPPLY
~50Hz 220-240V
~60Hz 220-230V
3
3
3
3
2
2
2
2
1
1
1
1
FIELD WIRING
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 : MAGNETIC RELAY
R1T~R12T : THERMISTOR
S2S~102 : CONNECTOR
H1P~H5P : PILOT LAMP
X3M
X4M
X5M
X2M
X1M
L
3
3
3
3
2
2
2
2
N
1
1
1
1
GRN
30A
FU1
YLW
SA1
MID1
V3
Z3C
HE
1
7
HL
S11
HN
GRN
WHT
WHT
WHT
WHT
RED
BLK
YLW
AC2
AC1
H5P
1
E
1
S2W
S10
S15
V2
H4P
7
1
5
1
H3P
S5W
S51
S52
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
L1R : REACTOR
Q1L : OVERLOAD PROTECTOR
CT1 : CURRENT TRANSFORMER
H2P
S1W
H1P
12
S2
12
S3W
1
1
S102
S101
V5
S4W
5
5
MRM20
MRM10
FU2
3.15A
MRB
1
MRD
Y1S
MRC W
Y1R
S80
CT1
9
H2
H1
S91
1
YLW
BLU
t°
MID1~MID2 : MOLDED INTER CONNECT DEVICE
SPM : SYSTEM POWER MODULE
Y1E
S20
R12T
1
M
A
BLK
Z2C
3
6
1
~
~
DB1
1
BLK
+
-
Y2E
S21
BLK
M
B
BLK
BLK
RED
PCB
BLK
5
6
BLK
S32
1
CN11
5
1
Y3E
S22
+
-
M
C
ORG
L1
1
1
BLK
BLK
6
SPM
BLK
ASSIGNMENTS OF
TERMINALS OF THE COMP.
BLK
CN14
1
BLK
ORG
L2
BLK
Y4E
S23
L1R
Z1C
V
M
D
BLK
BLK
P2
W
9
N1
P1
U
W
V
U
BLK
6
10
(
OUTDOOR
)
S31
N
R3T
1
(
CONDENSER
)
MID2
TB6
TB4
t°
TB5
P2
N1
P1
R2T
S90
1
1
(
DISCHARGE
)
WHT
t°
+
R1T
S6
ORG
6
BRN
t°
S71
+
S72
1
BLU
+
(
ROOM-A
)
FU201
3.15A
R8T
1
8
8
(
ROOM-B
)
RED
t°
R9T
(
GAS PIPE
)
1
1
S92
S70
(
ROOM-C
)
BRN
t°
8
R10T
W
V
U
N
1
7
(
ROOM-D
)
t°
RED
R11T
S33
S34
8
t°
YLW
WHT
RED
ORG
BRN
BLU
BLU
BRN
RED
(
ROOM-A
)
YLW
R4T
1
(
LIQUID PIPE
)
(
ROOM-B
)
3D034312F
X11A
10
t°
10
R5T
BLU
(
ROOM-C
)
S93
YLW
t°
BRN
BLU
RED
R6T
1
GRY
V
(
ROOM-D
)
S40
t°
R7T
1
3
M1F
M1C
M
M
BLK
4
W
U
t°
Q1L
BLK
9
N
BLU
BLU
BLU
BLU
BLU
BLU
BLU
BLU
BLU
BLU
BLU
BLU
RED
BLK
WHT
GRN
BLU
BLK
BLU
BLK
WHT
YLW
ORG
BLU
BRN
RED
WHT
YLW
ORG
BLU
BRN
RED
WHT
YLW
ORG
BLU
BRN
RED
WHT
YLW
ORG
BLU
BRN
RED
BLU
GRY
BLK
BLK
GRY
BRN
RED
BLK
GRY
YLW
BLU
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