Wiring Diagram - Mitsubishi Electric MXZ-18TV Service Manual

8

WIRING DIAGRAM

OUTDOOR UNIT
TO INDOOR
TB2
UNIT No.A
CONNECTING
3
12V
N
TO INDOOR
3
UNIT No.B
N
CONNECTING
12V
TB1
POWER
SUPPLY
L
~/N
N
230V~
50Hz
PE
CIRCUIT
GROUND
BREAKER
GRN
LDE
CN911
6 5 4 3 2 1
SYMBOL
C61 POWER-FACTOR CAPACITOR
C62 SMOOTHING CAPACITOR
C65 FAN MOTOR CAPACITOR
CT61 CURRENT TRANSFORMER
CT62 CURRENT TRANSFORMER
DS61,DS62 DIODE MODULE
FUSE FUSE(20A)
FUSE FUSE(1A)
F911 FUSE(1A)
IPM POWER TRANSISTOR MODULE
L REACTOR
NOTES:
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
MODELS MXZ-18TV-
RED
BLU
ORN
BLU
FUSE(20A)
BLK BLK
TAB1
BLU TAB2 X64
GRN/YLW
NOISE FILTER
P.C.BOARD
C65
CN912
4 3 2 1
MF61 21S4
NAME SYMBOL
R64
R61,R62
LEV A
LEV B
21S4
MC
MF61
RT61
RT62
RT63
RT65
:Connector
E1
BLU
R64
4
ORN
TAB4
CT61
3 2 1 3 2
CN602 CN601
ELECTRONIC CONTROL
P.C. BOARD
CN772 CN771
6
LEV B LEV A
NAME
RESISTOR
RESISTOR
EXPANSION VALVE A,COIL
EXPANSION VALVE B,COIL
REVERSING VALVE SOLENOID COIL
COMPRESSOR
FAN MOTOR
DISCHARGE TEMP. THERMISTOR
DEFROST TEMP. THERMISTOR
EVAPORATOR TEMP. THERMISTOR
GAS PIPE TEMP. A THERMISTOR
7
C61
YLW YLW
BLK
DS61
DS62
L
7
1 7 6 5 4 3 2 1
CN851
FUSE(1A)
T801
CN664 CN663
2 1 6 5 4 3 2 1
6
RT67 RT63 RT61 RT62
SYMBOL NAME
RT66 GAS PIPE TEMP. B THERMISTOR
RT67 FIN TEMP. THERMISTOR
SSR61 SOLENOID COIL RELAY
T801 TRANSFORMER
TB1 TERMINAL BLOCK
TB2 TERMINAL BLOCK
X61 FAN MOTOR RELAY
X62 FAN MOTOR RELAY
X64 RELAY
CN61 CONNECTOR
C62
V
U
MC
W
1 2 3
U V W
IPM
CN661
4 3 2 1
RT66 RT65
SG79J191H01