Service manual

31
MODEL MXZ-A18WV-
E1
OUTDOOR UNIT
F912
NF NOISE FILTER
NR63
CN912
YLW
BLK
45
RESISTORR64A
F912 FUSE(3.15A)
LEV(A) EXPANSION VALVE A,COIL
R64BR64A
TB2 TERMINAL BLOCK
TB1 TERMINAL BLOCK
PE
SG79J614H02
ORN
CN61
IPM
CN601CN602
ELECTRONIC
CONTROL
P.C.BOARD
NOISE
FILTER
P.C.BOARD
LDE
TB1
TB2
CIRCUIT
BREAKER
N
L
N
3
N
3
GRN
BLK
BLU
RED
BLU
GRN/YLW
BLU
BLK
ORN
BLU
BRN BRN WHT
RED
BLK
BLK
BLK RED
WHT
RED
WHT
BLK
:Terminal block :Connector
3.Symbols below indicate.
2.Use copper conductors only(for field wiring).
diagram for servicing.
refer to the indoor unit electric wiring
1.About the indoor side electric wiringNOTES
FAN MOTOR RELAY
TRANSFORMER
RT63
RT65 FIN TEMP.THERMISTOR
EVAPORATOR TEMP.THERMISTOR
RT61
RT62 DEFROST TEMP.THERMISTOR
DISCHARGE TEMP.THERMISTOR
SYMBOL
RT68
SSR61
T801
X61
X62
X64
MC
MF
21S4
REVERSING VALVE SOLENOID COIL
FAN MOTOR
COMPRESSOR
RELAY
FAN MOTOR RELAY
SOLENOID COIL RELAY
NAME
HIGH-PRESSURE PROTECT THERMISTOR
SYMBOL
L
L63
LEV(B)
NR63
R62
R64B
RT6A
RT6B GAS PIPE TEMP.B THERMISTOR
GAS PIPE TEMP.A THERMISTOR
RESISTOR
RESISTOR
VARISTOR
EXPANSION VALVE B,COIL
NORMAL MODE CHOKE COIL
NAME
REACTOR
CURRENT TRANSFORMER
SMOOTHING CAPACITOR
SMOOTHING CAPACITOR
IPM POWER TRANSISTOR MODULE
F911 FUSE(1A)
F801 FUSE(1A)
F61 FUSE(20A)
DS62 DIODE MODULE
DS61 DIODE MODULE
CT761
CT61 CURRENT TRANSFORMER
C65 FAN MOTOR CAPACITOR
C63
C62
C61 SMOOTHING CAPACITOR
ACTIVE FILTER MODULEAFM
NAME
SYMBOL
RT65 RT6A RT6B RT62 RT61 RT63 RT68
WV
U
P
N
AFM
X62
X61
T801
C63 C62 C61
DS62
DS61
TAB67
TAB65
TAB66
F801
L
L63
TAB64
TAB62
TAB61 TAB63
CN771CN772
CN662CN661CN663
CN911
TAB4
3
TAB2
TAB1
F61
CT761
C65
R62
X64
CT61
F911
NF
SSR61
CN851 CN901
W
V
U
6
6
7
3131
123 56781234341212
2113
MC
LEV
(B)
LEV
(A)
21S4
MF
POWER
SUPPLY
~/N
230V
50Hz
TO INDOOR
UNIT No.B
CONNECTING
12V
TO INDOOR
UNIT No.A
CONNECTING
12V
OB307A2.qxp 03.2.19 4:02 PM Page 31