20
INDOOR UNIT
TB
TAB12
3
3
REMOTE
CONTROLLER
RECEIVER
P.C.BOARD
DISPLAY
P.C.BOARD
102
CN
101
CN
RED
BLU
MV2
GRN/YL
W
FROM OUTDOOR
UNIT
CONNECTING
12V
CN201
3
2
1
BRN
L
N
3
230V~
F11
ELECTRONIC CONTROL P.C. BOARD
NR11
CN211
CN
111
RT11
RT12
15
MV2
CN
151
CN112
1
2
3
4
RT13
MV1
TRANS
HIC1
C11
121
CN
1
3
4
SR141
3
MF
RED
WHT
BRN
YLW
GRY
BLK
SYMBOL
SR141
TB
SYMBOL
MV2
NR11
RT11
RT12
RT13
SYMBOL
C11
F11
HIC1
MF
MV1
NAME
NAME
NAME
INDOOR FAN CAPACITOR
FUSE(3.15A)
DC/DC CONVERTER
INDOOR FAN MOTOR(INNER PROTECTOR)
VANE MOTOR(HORIZONTAL)
VANE MOTOR(VERTICAL)
VARISTOR
ROOM TEMPERATURE THERMISTOR
INDOOR COIL THERMISTOR (MAIN)
INDOOR COIL THERMISTOR (SUB)
SOLID STATE RELAY
TERMINAL BLOCK
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
MSZ-G20SV -
MODEL WIRING DIAGRAM
E1
SG79J610H01
OUTDOOR UNIT
F912(3.15A) R64A
230V
12V
FUSE(20A)
4
RED
YLW
YL
W
RED
BLU
ORN
7
C62
C61
DS61
DS62
L
CN901
TAB4
CN851
CN601
LDE
TAB1
TAB2
CT61
R64B
X64
X61
X62
RED
GRN
BLU
BLK
BLU
BLK
GROUND
L
3
N
L
N
TO INDOOR
UNIT
CONNECTING
TB1
POWER
SUPPLY
~/N
230V~
50Hz
CIRCUIT
GRN/YLW
BREAKER
BLK
TB2
YLW
F91
1(1A)
PE
BLK
WHT
RED
RED
WHT
BLK
MC
U
W
V
T
AB62
R62
CN61
21S4
CN911
CN912
MF61
6
CN663
CN664
SSR61
C65
T
AB65
T
AB61
U V W
CT62
T801 FUSE(1A)
IPM
R61
GRN/YLW
PE
TO INDOOR
UNIT
GROUND
BLK
BLU
NOISE FILTER
P.C.BOARD
3 2 1
7654321
7 6 5 4
1
2
3
3
2
1
4
1
2
3
1
2
3
4
5
6
RT62
3
4
CN771
LEV
RT67
RT61
5
6
1
2
1
2
ELECTRONIC CONTROL
P.C. BOARD
– +
– +
+
+
–
–
R.V. coil
heating ON
cooling OFF
SYMBOL
RT67
SSR61
T801
TB1
TB2
X61
X62
X64
21S4
SYMBOL
F912
IPM
L
R64A, R64B
R61, R62
LEV
MC
MF61
RT61
RT62
SYMBOL
C61
C62
C65
CN61
CT61
CT62
DS61, DS62
FUSE
FUSE
F911
NAME
NAME
NAME
POWER-FACTOR CAPACITOR
SMOOTHING CAPACITOR
OUTDOOR FAN CAPACITOR
CONNECTOR
CURRENT TRANSFORMER
CURRENT TRANSFORMER
DIODE STACK
FUSE(20A)
FUSE(1A)
FUSE(1A)
FUSE(3.15A)
INTELLIGENT POWER MODULE
REACTOR
CURRENT-LIMITING RESISTOR
CURRENT-DETECTING RESISTOR
EXPANSION VALVE COIL
COMPRESSOR
OUTDOOR FAN MOTOR
DISCHARGE TEMPERATURE THERMISTOR
DEFROST THERMISTOR
FIN TEMPERATURE THERMISTOR
SOLENOID COIL RELAY
TRANSFORMER
TERMINAL BLOCK
TERMINAL BLOCK
OUTDOOR FAN RELAY
OUTDOOR FAN RELAY
RELAY
R.V. COIL
MUZ-G20SV -
MODEL WIRING DIAGRAM
E1
SG79J612H01
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
OB245 --1qxp 02.10.22 4:08 PM Page 20