OB274-18
7
MS09TW
MU09TW
MODEL WIRING DIAGRAM
MODEL WIRING DIAGRAM
INDOOR UNIT
OUTDOOR UNIT
VLT
2 -
1 +
TB
N
L1
BLK
YLW
RED
POWER
FROM OUTDOOR
UNIT
CONNECTING
WIRES
TO OUTDOOR
UNIT
CONNECTING
WIRE
SUPPLY
115V
1 phase
60Hz
TAB12
LD101T
TO OUTDOOR
UNIT
CONNECTING
WIRES
12V DC
NR11
TRANS
HIC1
MV
POWER MONITOR,
RECEIVER
P.C.BOARD
REMOTE
CONTROLLER
MF
RT11
RT12
SR141
F11
C11
ELECTRONIC CONTROL P.C. BOARD
3
2
2
1
1
5
4
3
2
6
1
1
2
3
5
CN202
3
5
151
CN
CN201
CN211
111
CN
CN
112
121
CN
RED
WHT
BRN
YLW
GRY
BLK
(
)
W
W
A disconnect may be required by local code.
BLK
N
TB1
GRN/YLW
GROUND
POWER SUPPLY
115V
1phase 60Hz
RED
YLW
VLT
FROM INDOOR UNIT
CONNECTING
WIRES 12V DC
52C
WHT
L1
2
N
L1
RED
MC
S
R
C
RED
BLK
FROM INDOOR UNIT
CONNECTING
WIRE
TB2
TO INDOOR UNIT
CONNECTING
WIRES
115V
1 Phase 60Hz
1
3
2
1
MF
COM
NO
52C
C1
C2
RED
BLK
WHT
RED
WHT
WHT
BLK
BLK
–
+
NOTE:1. About the outdoor side electric wiring, refer to the outdoor unit electric wiring diagram for servicing.
2. Use copper conductors only.(For field wiring)
3. Symbols below indicate;
: Terminal block, : Connector
NOTE:1. About the indoor side electric wiring, refer to the indoor unit electric wiring diagram for servicing.
2. Use copper conductors only.(For field wiring)
3. Symbols below indicate;
: Terminal block, : Connector
WIRING DIAGRAM
VANE MOTOR
VARISTOR
ROOM TEMPERATURE THERMISTOR
INDOOR COIL THERMISTOR
SYMBOL
MV
NR11
RT11
RT12
INDOOR FAN CAPACITOR
FUSE (3A)
DC / DC CONVERTER
INDOOR FAN MOTOR (INNER FUSE)
SYMBOL
C11
F11
HIC1
MF
NAME
NAME
NAME
SYMBOL
SR141
TB
SOLID STATE RELAY
TERMINAL BLOCK
SYMBOL
C1
C2
SYMBOL
MC
MF
SYMBOL
TB1,TB2
52C
COMPRESSOR CAPACITOR
OUTDOOR FAN CAPACITOR
COMPRESSOR (INNER PROTECTOR)
OUTDOOR FAN MOTOR (INNER PROTECTOR)
TERMINAL BLOCK
COMPRESSOR CONTACTOR
NAME
NAME
NAME
SG79J021H01
VG79B009H01