31
WIRING DIAGRAM
8
MXZ-2A40VA
MXZ-2A52VA
C N 9 3 1
CN792
CN791
12
CN662
CN663
2
1
5
4
3
2
1
CN661
6
LEV A
LEV B
66
RT64
RT65
RT62
RT61
RT68
3
2
1
CN932
MF
F901
T801
IC801
C63C
C63B
C63A
F801
IPM
R62
R61
P
N
U
V
W
CT781
3
2
1
LDW
LDV
LDU
CN61
BLK
WHT
RED
TR821
CT761
DB61
DB65
R831
MC
U
W
V
BLK
WHT
RED
INVERTER P.C. BOARD
LD70
LD69
BLK
3
4
L64
BLK
P
N
W
V
U
IC932
CN933
CN937
CN935
CN934
TAB4
6
7
5
CT61
NR6
F64
R64A
R64B
21S4
1
2
SSR61
CN912
X64
NF
POWER P.C. BOARD
F61
TAB1
TAB2
LDE
L
N
PE
S3
S2
S1
L65
1
2
3
4
3
2
1
5
CN602
CN601
CN938
INTERFACE P.C. BOARD
TB1
TB2
POWER SUPPLY
~
/
N
230V 50Hz
TO INDOOR
UNIT No.A
CONNECTING
12-24V
230V
~
CIRCUIT BREAKER
TO INDOOR
UNIT No.B
CONNECTING
230V
~
S1
S2
12-24V
TB3
S3
ORN
BLK
BLU
RED
BLU
BLK
BLK
BLU
BLK
BLU
BLK
GRN
/YLW
GRN
DISPLAY P.C. BOARD
LED2
SW1
CN936
LED1
BLU
7
++
+
: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 wiring
NOTES:
SYMBOL
NAME
SYMBOL
NAME
CT61,CT761,CT781
C63A,C63B,C63C
DB61,DB65
NF
F61
F64,F801,F901
IC801
IPM,IC932
L64,L65
MC
MF
NR64
RT61
RT62
RT64
RT65
RT68
COMPRESSOR
OUTDOOR FAN MOTOR
VARISTOR
DEFROST THERMISTOR
DISCHARGE TEMPERATOR THERMISTOR
FIN TEMPERATOR THERMISTOR
AMBIENT TEMPERATOR THERMISTOR
OUTDOOR HEAT EXCHANGER
TEMPERATURE THERMISTOR
NAME
SYMBOL
R61,R62,R831
R64A,R64B
TB1,TB2,TB3
TR821
T801
X64
21S4
LEV A,LEV B
SSR61
CURRENT-DETECTING RESISTOR
RESISTOR
TERMINAL BLOCK
SWITCHING POWER TRANSISTOR
SWITCHING TRANS
RELAY
R.V. COIL
EXPANSION VALVE
SOLENOID COIL RELAY
CURRENT TRANSFORMER
SMOOTHING CAPACITOR
DIODE MODULE
NOISE FILTER
FUSE (T20AL250V)
FUSE
(T3.15AL250V)
INTELLIGENT POWER DEVICE
INTELLIGENT POWER MODULE
REACTOR
OB377--2.qxp 05.12.14 3:13 PM Page 31