Wiring Diagrams Si12-308
280 Appendix
2.2 Outdoor Units
2MKD58BVM
3MKS50BVMB
~ 60Hz 220-230V
~ 50Hz 220-240V
ROOM A
ROOM B
TO INDOOR UNIT
3
3
2
2
POWER SUPPLY
1
1
FIELD WIRING
V2~V5 : VARISTOR
MRC/W : MAGNETIC RELAY
MID1~MID2 : MOLDED INTER CONNECT DEVICE
MRB
,
MRD
S2~S102 : CONNECTOR
E
,
AC1
,
AC2
HE
,
HL
,
HN
L2
,
: CONNECTOR
Y1E~Y2E :
ELECTRONIC EXPANSION VALVE COIL
R1T~R12T : THERMISTOR
H1P~H5P : PILOT LAMP
Z1C~Z3C : FERRITE CORE
MRM10
,
MRM20
X1M~X3M : TERMINAL STRIP
H1
,
H2
,
L1
FU1
,
FU2. FU201
: FUSE
X3M
X2M
X1M
L
3
3
2
2
N
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
S2W : SELECT SW
(
SW2
)
S3W : WIRING ERROR CHECK SW
(
SW3
)
S4W : PRIORITY ROOM SETTING SW
(
SW4
)
S5W : NIGHT QUIET MODE SETTING SW
(
SW5
)
L : LIVE
N : NEUTRAL
PCB : PRINTED CIRCUIT BOARD
SPM : SYSTEM POWER MODULE
S1W : FORCED OPERATION ON/OFF SW
(
SW1
)
H2P
SA1 : SURGE ARRESTER
DB1 : DIODE BRIDGE
CT1 : CURRENT TRANSFORMER
M1C : COMPRESSOR MOTOR
M1F : FAN MOTOR
L1R : REACTOR
Q1L : OVERLOAD PROTECTOR
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
MRC W
S80
CT1
9
H2
H1
S91
1
WHT
YLW
BLU
t˚
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
CN11
5
1
+
+
-
ORG
L1
1
1
BLK
BLK
SPM
BLK
TERMINALS OF THE COMP.
ASSIGNMENTS OF
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
t˚
TB4
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
(
GAS PIPE
)
BLK
8
8
RED
t˚
R9T
GRY
1
1
S92
S70
(
ROOM-B
)
BRN
t˚
8
W
V
U
N
1
7
RED
S33
S34
8
YLW
WHT
BRN
BLU
RED
ORG
BLU
RED
BRN
YLW
1
X11A
10
10
3D034318C
BLU
S93
YLW
BRN
BLU
RED
1
GRY
S40
V
1
M1F
M1C
3
M
BLK
M
~
4
W
U
Q1L
BLK
9
N
N
L
TO INDOOR UNIT
~ 60Hz 220-230V
~ 50Hz 220-240V
POWER SUPPLY
ROOM A
ROOM B
ROOM C
FIELD WIRING
3
3
3
2
2
2
1
1
1
V2~V5 : VARISTOR
MRC/W : MAGNETIC RELAY
E
,
AC1
,
AC2
HE
,
HL
,
HN
L2
,
: CONNECTOR
S2~S102
,
CN11
,
CN14
: CONNECTOR
MRB
,
MRD
H1
,
H2
,
L1
Z1C~Z3C : FERRITE CORE
X1M~X4M : TERMINAL STRIP
R1T~R12T : THERMISTOR
H1P~H5P : PILOT LAMP
Y1E~Y3E : ELECTRONIC EXPANSION VALVE COIL
MRM10
,
MRM20
MID1~MID2 : MOLDED INTER CONNECT DEVICE
FU1
,
FU2
,
FU201 : FUSE
X3M
X4M
X2M
X1M
L
3
3
3
2
2
2
N
1
1
1
GRN
30A
FU1
YLW
MID1
SA1
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
H2P
S2W : SELECT SW
(
SW2
)
S3W : WIRING ERROR CHECK SW
(
SW3
)
S4W : PRIORITY ROOM SETTING SW
(
SW4
)
S5W : NIGHT QUIET MODE SETTING SW
(
SW5
)
L : LIVE
N : NEUTRAL
PCB : PRINTED CIRCUIT BOARD
SPM : SYSTEM POWER MODULE
S1W : FORCED OPERATION ON/OFF SW
(
SW1
)
SA1 : SURGE ARRESTER
DB1 : DIODE BRIDGE
CT1 : CURRENT TRANS
M1C : COMPRESSOR MOTOR
Q1L : OVERLOAD PROTECTOR
M1F : FAN MOTOR
L1R : REACTOR
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
MRC
W
S80
CT1
9
H2
H1
S91
1
WHT
YLW
BLU
t˚
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
TERMINALS OF THE COMP.
ASSIGNMENTS OF
BLK
CN14
BLK
ORG
L2
BLK
V
L1R
Z1C
BLK
BLK
W
P2
U
9
N1
P1
W
V
U
BLK
10
(
OUTDOOR
)
S31
N
R3T
1
(
CONDENSER
)
BLU
MID2
TB6
t˚
TB4
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
(
GAS PIPE
)
8
(
ROOM-B
)
RED
t˚
R9T
GRY
1
1
S92
S70
BRN
t˚
8
(
ROOM-C
)
R10T
W
V
U
N
1
7
BRN
t˚
RED
S33
S34
8
YLW
WHT
BLU
RED
ORG
BRN
BLU
RED
BRN
(
ROOM-A
)
YLW
R4T
1
(
LIQUID PIPE
)
BLK
4
1
(
ROOM-B
)
t˚
10
10
R5T
BLU
3D038533A
GRY
YLW
S93
BRN
BLU
RED
t˚
R6T
(
ROOM-C
)
1
YLW
GRY
V
S40
t˚
1
3
M1F
M1C
M
M
BLK
4
W
U
Q1L
BLK
9
N
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