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MSH-18NV -
E3
MUH-18NV -
E3
MODEL WIRING DIAGRAM
MODEL WIRING DIAGRAM
INDOOR UNIT
OUTDOOR UNIT
CIRCUIT BREAKER
N
2
12VDC
L
50Hz
CORD
POWER
SUPPLY
~/N 220-240V
F11
NR11
TRANS
HIC1
12VDC
220-240V~
DSAR
BRN
GRN/YLW
LD1
DISPLAY
P.C.BOARD
RECEIVER
P.C.BOARD
33
101
102
CN CN
1
TO OUTDOOR
UNIT
CONNECTING
N
BLU
GRN/YLW
MV
151
CN
5
BLU
3
BLU
ELECTRONIC CONTROL P.C BOARD
REMOTE
CONTROLLER
3
BLU
BLU
RED
2
1
F12
2
WHT
BRN
BRN
L
3
TB
CN201
CN211
121
CN
112
CN
3
4
RT11
BRN
YLW
RED
GRY
WHT
BLK
RT12
52C
IC141
C11
1
2
4
MF
FOR MULTI SYSTEM
TO OUTDOOR
UNIT
CONNECTING
3
111
CN
❈
❈
❈
❈
❈
❈
SYMBOL
TB
DSAR
HIC1
SYMBOL
NR11
RT11
RT12
IC141
52C
SYMBOL
C11
F12
F11
MF
MV
NAME
NAME NAME
INDOOR FAN CAPACITOR
FUSE(93:)
FUSE(3.15A)
INDOOR FAN MOTOR
VANE MOTOR
VARISTOR
ROOM TEMPERATURE THERMISTOR
INDOOR COIL THERMISTOR
HYBRID IC
CONTACTOR
TERMINAL BLOCK
SURGE ABSORBER
DC/DC CONVERTER
CN720
52C
1
X62
21S4
CN721
MF
SR61
MC
WHT
WHT
WHT
VLT
VLT
COM
52C
TAB21
DSAR
ORN
WHT
WHT
RED
RED
RED
WHT
BLU
BLU
RED
BLK
CN730
C65
DEICER P.C.BOARD
RT61
F61
IC881
X62
CN711
BLK
TRANS
TAB20
BLK
R
C
C1
TO
INDOOR UNIT
CONNECTING
GRN/YLW
12VDC
TB
220-240V~
N
2
3
4
1
4
3
2
1
BLK
BLK
CN661
NO
NR61
S
3
2
❈
❈
❈
❈
❈
SYMBOL
X62
21S4
52C
IC881
SYMBOL
MF
NR61
RT61
SR61
TB
SYMBOL
C1
C65
DSAR
F61
MC
NAME
NAME NAME
COMPRESSOR CAPACITOR
OUTDOOR FAN MOTOR CAPACITOR
SURGE ABSORBER
FUSE(2A)
COMPRESSOR<INNER THERMOSTAT>
OUTDOOR FAN MOTOR
VARISTOR
DEFROST THERMISTOR
SOLID STATE RELAY
TERMINAL BLOCK
REVERSING VALVE COIL RELAY
REVERSING VALVE COIL
CONTACTOR
DC/DC CONVERTER
NOTE:1. For the outdoor 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. Use copper conductors only.(For field wiring)
2. Since the indoor and outdoor unit connecting wires have polarity, connect them according to the numbers.
3. Symbols below indicate.
: Terminal block, : Connector
4. “❈”show the terminals with a lock mechanism, so they cannot be removed when you pull
the lead wire.
Be sure to pull the wire by pushing the locking lever(projected part) of the terminal with a finger.
1.Slide the sleeve.
2.Pull the wire while
pushing the locking
lever.
OB207t-1qxp 25/9/97 8:52 PM Page 23