Mitsubishi Electric MXZ-18NV Service Manual page 14

REDR
X64
GRN/YLW
POWER SUPPLY
~/N 220-240V 50Hz
TB2
L BLK
N BLU
CIRCUIT BRAKER
TB3
INDOOR
N
BLU
(A) 12VDC
RED
UNIT
3
INDOOR
N
BLU
(B) 12VDC
ORN
UNIT
3
INDOOR
N
BLU
(C) 12VDC
YLW
UNIT
3
INDOOR
N
BLU
(D) 12VDC
BEN
UNIT
3
SYMBOL
C61 POWER FACTOR CAPACITOR
C62,63 SMOOTHING CAPACITOR
C65 OUTDOOR FAN CAPACITOR
CH CRANKCASE HEATER
CT61,62 CURRENT TRANSFORMER
DS61 DIODE MODULE
DS62 DIODE STACK
F801 FUSE (1A)
F911 FUSE (1A)
L REACTOR
L61 COMMON MODE CHOKE COIL
LEV A~D EXPANSION VALVE
R RESISTOR
RT61 DISCHARGE TEMPERATURE THERMISTOR
RT62 DEFROST TEMPERATURE THERMISTOR
RT63 FIN TEMPERATURE THERMISTOR
RT64 EVAPORATION TEMPERATURE THERMISTOR
NOTE:1. "- - - - " denotes the wiring at the site.
2 " "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.
14
MODELS MXZ-32NV-
DS61
C61
RED ORN
+
+
WHT
BLK
-
-
YLW
BLK
TB4
CT
61
4 6 BLK
X64
0 1
L61
LD62
LD61
F911
LDE
1 2
CN913
CN720
CN901 CN902 1 2
GRN/YLW
6 4
21S4
CN851 CN852 ELECTRONIC CONTROL P.C. BOARD
CN791 CN792 CN793 CN794
1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6
LEV A LEV B LEV C LEV D
NAME
INDOOR AND OUTDOOR ELECTRICAL WIRING CONNECTION FIGURE
OUTDOOR UNIT
Indoor/outdoor connecting wire
3
D UNIT
N
3
C UNIT
N
3
B UNIT
N
3
A UNIT
N
N
L
MXZ-32NV-
E1
DS62
C63 C62
L
A RED
+ +
ORN
K
-
WHT
YLW
NOISE FILTER
P.C.BOARD
2
C65
CN912
3 4 1 2
1 2 3 4 5 6
21S2
MF61
CH
CN722 CN663 CN662
1 2 3 4 1 2 1 2 3 4 5 6 7 8
63H1 63L RT63 RT66 RT68 RT62
RT67 RT69
SYMBOL
RT65 SUCTION TEMPERATURE THERMISTOR
RT66,67 GUS PIPE TEMPERATURE THERMISTOR
RT68,69 GUS PIPE TEMPERATURE THERMISTOR
MC COMPRESSOR
MF61 OUTDOOR FAN MOTOR (INNER FUSE)
SSR61,62 SOLENOID COIL RELAY
SSR63 CRANKCASE HEATER RELAY
T801 TRANSFORMER
TB2,3,4 TERMINAL BLOCK
X61,62,63 FAN MOTOR RELAY
X64,65 RELAY
X66,67 RELAY
21S2 SOLENOID COIL
21S4 R.V. COIL
63H1 HIGH PRESSURE SWITCH
63H2 HIGH PRESSURE SWITCH
63L LOW PRESSURE SWITCH
INDOOR UNIT
D UNIT
Make all connections
C UNIT
as shown below.
B UNIT
Terminal block
3
2
GROUND
N
L
POWER SUPPLY
~/N 220-240V 50Hz
Power supply cord
A UNIT
E2
RED
YLW
-
V
MC
U W
T801 TAB64
TAB65
CT62
TAB66
I.P.M P.C. BOARD
YLW
CN661
YLW
1 2 3 4 5 6 7 8
RT64
RT61 RT65
NAME
BRN
GRY
BLK
BLK
63H2
ORN
ORN
RELAY
P.C. BOARD
1.Slide the sleeve.
2.Pull the wire while
pushing the locking
lever.