Wiring Diagram - Mitsubishi Electric MXZ-2C20NA2 Service Manual

7

WIRING DIAGRAM

MXZ-2C20NA2
IC501
MC
U U
BK
BK
WH V
MS WH
3~ V
RD RD W
W
CNMC
OUTDOOR
POWER P.C.
BOARD
CN171
1
RT64
2
t°
MS
MF
3~
1
LED3
1
LED2
LED1
CNTH1
1
t° ° t
RT61 RT62
SYMBOL NAME SYMBOL
CB1~3 SMOOTHING CAPACITOR IC401, 402
D1 DIODE IC411
F1 FUSE (T6.3AL250V) IC501
F2 FUSE (T6.3AL250V) IC801
F711 L
FUSE (T3.15AL250V)
LED1~3
HPS HIGH PRESSURE SWITCH
[Connection between reactor and outdoor power P.C. board]
* There are 2 types of reactors, which may have a number display.
Even if there is a number display, please wire as shown in the figure below.
Connect to TAB3
Connect to TAB5
OBH702N
L
WH
WH
RD
TAB6 TAB5 TAB4
IC411
IC402
+ + +
CB3 CB2 CB1
CNDC CN151
1 3 1
5
1
7 1 3
CNDC
CNF1 CN702
T801
IC801
CN741
OUTDOOR CONTROL P.C. BOARD
5
(BU)
CN797
1 6
CNTH2
8 1 2
5
M
t° ° t
RT68 RT65
LEV R
NAME SYMBOL
DIODE BRIDGE LEV A, B, R
EXPANSION VALVE COIL
MC COMPRESSOR
POWER FACTOR CONTROLLER
MF FAN MOTOR
POWER MODULE
PTC1, 2 CIRCUIT PROTECTION
POWER DEVICE
RT61 DEFROST THERMISTOR
REACTOR
RT62
LED DISCHARGE TEMP. THERMISTOR
RD
X52C
TAB3
IC401
PTC1
PTC2
D1
X65
CN152 CNAC2
7 1 2 1 3
7 1 2 1 3
CN701 CNAC
F711
(RD) (WH)
CN792 CN791
X712
1 5 1 5
CN712
1 2
5 5
M M
21S4
LEV B LEV A
NAME SYMBOL NAME
RT64 FIN TEMP. THERMISTOR
RT65 AMBIENT TEMP. THERMISTOR
OUTDOOR HEAT EXCHANGER
RT68
TEMPERATURE THERMISTOR
T801 TRANSFORMER
TB1~3 TERMINAL BLOCK
Connect to TAB6
Connect to TAB4
39
TAB1
TAB2
GNYN
F2 F1
BK
1
BU
3
CNAC1
TBE4 TBE2 TBE1
3
CN611
WH
1
X714
5
RD
BU
CN601
BK
CN714 CN63H
1 2 1 3
1
HPS
SYMBOL NAME
X52C RELAY
X65 RELAY
RELAY
X712
RELAY
X714
REVERSING VALVE
21S4
SOLENOID COIL
CIRCUIT
TB1 BREAKER
BK
L1
BU
POWER SUPPLY
L2
208/230V
GR
AC 60Hz
TB3
WH
S3
BU 12-24V
TO INDOOR
S2
208/230V~
UNIT No.B
BK
S1
TB2
RD
S3
BU 12-24V
TO INDOOR
S2
BK
208/230V~ UNIT No.A
S1
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
: Connector
NOTES:
1.À propos du câblage électrique
de côté intérieur se référer
à l'unité intérieure câblage
schéma électrique pour
l'entretien.
2.Utiliser des conducteurs
en cuivre (Pour le câblage).
3.Symbole ci-dessous indique.
:Bornier
:Connecteur