Service manual
SiENBE12-522A Wiring Diagrams
Appendix 313
2.2 Outdoor Units
2.2.1 Cooling only
3MKS50DVMB, 3MKS50D2VMB
4MKS58DVMB, 4MKS75DVMB, 4MKS90DVMB, 4MKS58D2VMB, 4MKS75D2VMB, 4MKS75D3VMB
4MKS90DAVMB
H5P
1
S2W
H4P H3P
S5W
S52
H2P
S1W
H1P
S2
12
S3W
1
S102
S4W
5
TO INDOOR UNIT
ROOM A
ROOM C
ROOM B
FIELD WIRING
X3M
X4M
X2M
X1M
GRN
30A
FU1
YLW
SA1
V3
Z3C
HE
HL
HN
1
7
S11
GRN
YLW
AC2
AC1
E
S10
S15
V2
7
1
5
1
1
S51
12 1
S101
51
9
V5
MRM20
MRM10
FU2
3.15A
MRB
MRD
MRC/W
S80
CT1
H2
H1
t°
R12T
Z2C
DB1
CN11
5
1
+
-
ORG
L1
ORG
L2
L1R
Z1C
S91
13 1 5
S32
19
S31
M1F
M1C
M
1
3
M
1 CN14
P2
N1
P1
W
V
U
10
TB6
TB4
TB5
P2
N1
P1
1
S72
FU201
3.15A
81
S70
W
V
U
N
1
7
S34
10
Q1L
1
Y1E
S20
M
A
61
Y2E
S21
M
B
61
Y3E
S22
M
C
61
S90
1
S6
6
S71
1
1
81
S92
8
S33
81
10
S93
1
S40
4
9
t° t° t° t° t° t° t° t° t°
(
OUTDOOR
) (
DISCHARGE
)
R3T
(
CONDENSER
)
R2T
R1T
(
ROOM-A
) (
ROOM-C
)
R8T
(
GAS PIPE
)
(
ROOM-B
)
R9T
R10T
(
ROOM-A
) (
ROOM-C
)
R4T
(
LIQUID PIPE
)
(
ROOM-B
)
R5T
R6T
WHT
WHT
WHT
WHT
RED
BLK
BLU
BLU
BLU
BLU
BLU
BLU
BLU
BLU
BLU
BLU
BLU
BLU
RED
BLK
WHT
GRN
YLW
BLU
RED
BLK
BLK
V
W
U
N
YLW
BRN
BLU
RED
YLW
WHT
BLU
ORG
RED
BRN
RED
BRN
BLU
BLK
BLK
BLK
BLK
BLK
BLK
BLK
BLK
BLK
BLK
BLK
BLK
BLK
BLK
WHT
ORG
BRN
BLU
RED
BRN
RED
YLW
BLU
GRY
BLK
BLK
WHT
YLW
ORG
BLU
BRN
RED
WHT
YLW
ORG
BLU
BRN
RED
WHT
YLW
ORG
BLU
BRN
RED
BLU
GRY
BLK
BLK
GRY
BRN
BLK
GRY
YLW
ASSIGNMENTS OF
TERMINALS OF THE COMP.
V
W
U
N
Z1C~Z3C
X1M~X4M
Y1E~Y3E
V2~V5
FU1, FU2. FU201
HE, HL, HN
E, AC1, AC2
H1, H2, L1
L2,
MRM10, MRM20
MRB, MRD
MRC/W
R1T~R12T
S2~S102, CN11, CN14
H1P~H5P
MID1~MID2
: FERRITE CORE
: TERMINAL STRIP
: ELECTRONIC EXPANSION VALVE COIL
: VARISTOR
: FUSE
: CONNECTOR
: MAGNETIC RELAY
: THERMISTOR
: CONNECTOR
: PILOT LAMP
: MOLDED INTER CONNECT DEVICE
L
N
S1W
S2W
S3W
S4W
S5W
SA1
PCB
DB1
M1C
M1F
L1R
Q1L
SPM
CT1
: LIVE
: NEUTRAL
: FORCED OPERATION ON/OFF SW (SW1)
: SELECT SW (SW2)
: WIRING ERROR CHECK SW (SW3)
: PRIORITY ROOM SETTING SW (SW4)
: NIGHT QUIET MODE SETTING SW (SW5)
: SURGE ARRESTER
: PRINTED CIRCUIT BOARD
: DIODE BRIDGE
: COMPRESSOR MOTOR
: FAN MOTOR
: REACTOR
: OVERLOAD PROTECTOR
: SYSTEM POWER MODULE
: CURRENT TRANS
MID1
SPM
MID2
PCB
N
L
3
2
1
3
2
1
3
2
1
L
3
3
3
2
2
2
N
1
1
1
~
~
+
-
+++
4
1
3D038533D
ROOM A
ROOM B
ROOM C
ROOM D
TO INDOOR UNIT
3
3
3
3
2
2
2
2
1
1
1
1
FIELD WIRING
V2~V5
MRC/W
Y1E~Y4E
MRB
,
MRD
S2~S102
X1M~X5M
E
,
AC1
,
AC2
L2
,
HE
,
HL
,
HN
R1T~R12T
H1P~H5P
Z1C~Z3C
MRM10
,
MRM20
H1
,
H2
,
L1
MID1~MID2
FU1
,
FU2
,
FU201
X3M
X4M
X5M
X2M
X1M
L
3
3
3
3
2
2
2
2
N
1
1
1
1
:
:
:
:
:
:
:
:
:
:
:
FUSE
VARISTOR
CONNECTOR
MOLDED INTERCONNECT DEVICE
CONNECTOR
MAGNETIC RELAY
ELECTRONIC EXPANSION VALVE COIL
THERMISTOR
PILOT LAMP
FERRITE CORE
TERMINAL STRIP
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
S3W
S4W
S5W
S2W
L
H2P
N
SPM
PCB
DB1
S1W
L1R
SA1
CT1
M1F
M1C
Q1L
BLU
BLU
S1W
H1P
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
BLU
BLU
OVERLOAD PROTECTOR
REACTOR
LIVE
SURGE ARRESTER
FAN MOTOR
NEUTRAL
FORCED OPERATION ON/OFF SW
(
SW1
)
SYSTEM POWER MODULE
CURRENT TRANSFORMER
COMPRESSOR MOTOR
SELECT SW
(
SW2
)
DIODE BRIDGE
WIRING ERROR CHECK SW
(
SW3
)
NIGHT QUIET MODE SETTING SW
(
SW5
)
PRINTED CIRCUIT BOARD
PRIORITY ROOM SETTING SW
(
SW4
)
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
1
WHT
BLK
ORG
L2
YLW
BLK
Y4E
S23
L1R
Z1C
V
M
D
ORG
BLK
BLU
BLK
P2
W
9
N1
P1
U
W
V
U
BRN
BLK
6
10
(
OUTDOOR
)
RED
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
(
ROOM-D
)
t°
RED
R11T
S33
RED
S34
8
t°
YLW
WHT
RED
BRN
BLU
ORG
BLU
RED
BRN
(
ROOM-A
)
YLW
R4T
1
BLK
(
LIQUID PIPE
)
(
ROOM-B
)
X11A
10
t°
10
R5T
BLU
GRY
(
ROOM-C
)
S93
YLW
t°
BRN
BLU
RED
R6T
1
YLW
GRY
V
(
ROOM-D
)
S40
t°
R7T
1
3
M1F
BLU
M1C
M
M
BLK
4
W
U
t°
Q1L
BLK
9
N
3D034315H