Wiring Diagram - Mitsubishi Electric MXZ-4C36NAHZ Technical & Service Manual

Split-type, heat pump air conditioners
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6

WIRING DIAGRAM

6-1. OUTDOOR UNIT
MXZ-4C36NAHZ
SYMBOL
TB1
Terminal Block 〈Power Supply〉
TB1B
Terminal Block 〈Branch Box〉
TB3
Terminal Block
〈Branch box/Outdoor Transmission Line〉
TB7
Terminal Block
〈Centralized Control Transmission Line〉
FUSE1,FUSE2 Fuse 〈T20AL250V〉
MC
Motor For Compressor
MF1,MF2
Fan Motor
21S4
Solenoid Valve〈Four-Way Valve〉
63H
High Pressure Switch
63HS
High Pressure Sensor
63LS
Low Pressure Sensor
SV1
Solenoid Valve〈Bypass Valve〉
SV2
Solenoid Valve〈Switching Valve〉
BH
Base heater
TH2
Thermistor〈Hic Pipe〉
Thermistor〈Outdoor Liquid Pipe〉
TH3
Thermistor〈Compressor〉
TH4
MULTI. B.
MF1
1
MS
3∼
MF2
1
MS
3∼
2
52C
1
3
(BLK)
TB3
RED
M1
M2
RED
S
TO BRANCH BOX
CONNECTING WIRES
DC 30V(Non-polar)
TB7
YLW
M1
M2
YLW
S
FOR CENTRALIZED
CONTROL
DC 30V(Non-polar)
TB1B
B1
B2
TO BRANCH BOX
POWER SUPPLY
∼208 / 230V 60Hz
OCH573E
MXZ-5C42NAHZ
NAME
SYMBOL
TH6
Thermistor〈Suction Pipe〉
TH7
Thermistor〈Ambient〉
TH8
Thermistor〈Heat Sink〉
LEV-A,LEV-B Electronic Expansion Valve
DCL
Reactor
P.B.
Power Circuit Board
U/V/W
Connection Terminal〈U/V/W-Phase〉
LI
Connection Terminal〈L-Phase〉
Connection Terminal〈N-Phase〉
NI
DCL1,DCL2
Connection Terminal〈Reactor〉
Power Module
IGBT
EI,E2,E3,E4
Connection Terminal〈Ground〉
MULTI.B.
Controller Circuit Board
SW1
Switch〈Display Selection〉
SW2
Switch〈Function Selection〉
SW3
Switch〈Test Run〉
SW4
Switch〈Model Selection〉
SW5
Switch〈Function Selection〉
SW6
Switch〈Function Selection〉
63H
TH7 TH6 TH3 TH4
TH2
63LS
63HS
t゜
t゜
t゜
t゜
t゜
1
3
1
4
1 2
2
1
1
2
CNF1
63HS
TH7/6
TH3
TH4
TH2
7
(WHT)
(WHT)
(RED)
(WHT)
(WHT)
(BLK)
CNF2
1
3
1
3
7
(WHT)
63LS
63H
(BLU)
(YLW)
CN2
1
(RED)
1
TRANS
3
CNDC
7
(PNK)
F1
F2
21S4
SV2
3
SV1
3
1
1
3
1
3
1
SS
1
2
(GRN)
(BLU)
(GRY)
(WHT)
(RED)
21S4
SV2
SV1
BH
2
7
2
1 2
1
7
CN2
CN4
(RED)
(WHT)
2
N2
+
P2
2
TH8
t゜
DCL2 DCL1
W
V
U
FUSE1
FUSE2
DCL
V
U
W
MS
3∼
MC
TB1
RED
L1
BLU
L2
GRN/YLW
GR
MXZ-8C48NAHZ
NAME
SYMBOL
SW7
SW8
SW9
SWU1
SWU2
CNS1
CNS2
SS
CN3D
CN3S
CN3N
CN51
LED1,LED2
LED3
F1,F2
X501∼505
M-NET P.B.
TB1
LEV-A
LEV-B
M
M
CN3D
CN3S
CN3N
SWU2 SWU1 SW9
(WHT)
(RED)
(BLU)
1
3 1
3 1
3
1
5
1
5
CNLVA
CNLVB
CN52C
(WHT)
(RED)
(RED)
1
5
1
3
CN51
(WHT)
3
7
CN4
(WHT)
2
1
2
CNS1
CNS2
LED3
CN41
CN40
(RED)
(YLW)
(WHT)
(WHT)
CNAC
2 1 2 1
4
1
4
1
2
2
M-NET P.B.
3
CN52C
3
1
(RED)
52C
2
52C
CNDC
(PNK) 3
1
IGBT
-
+
E 4
E I
N I
L I
※1 MODEL SELECTION
The black square( )indicates a switch position.
MODELS
MXZ-4C36NAHZ
MXZ-5C42NAHZ
MXZ-8C48NAHZ
NAME
Switch〈Function Selection〉
Switch〈Model Selection〉
Switch〈Function Selection〉
Switch〈Unit Address Selection, 1st digit〉
Switch〈Unit Address Selection, 2nd digit〉
Connector〈Branch box/Outdoor Transmission Line〉
Connector〈Centralized Control Transmission Line〉
Connector〈Base heater〉
Connector〈Connection For Option〉
Connector〈Connection For Option〉
Connector〈Connection For Option〉
Connector〈Connection For Option〉
LED〈Operation Inspection Display〉
LED〈Power Supply to Main Microcomputer〉
Fuse〈T6,3AL250V〉
Relay
M-NET Power Circuit Board
ConnectionTerminal〈Ground〉
is the switch position.
SW5
SW6
※1
※1
SW1
SW8
SW2
※1
SW4
SW3
SW7
LED1
LED2
CN102
(WHT)
4
1
4
1
4
CN2
(WHT)
BLK
TB1
CN1
(WHT)
5 3
1
2
P. B.
BLK
1
2
3
BLK
1
2
3
SW2
SW4
SW8
ON
ON
ON
OFF
OFF
OFF
5 6
1 2 3 4 5 6
1 2
ON
ON
ON
OFF
OFF
OFF
5 6
1 2 3 4 5 6
1 2
ON
ON
ON
OFF
OFF
OFF
5 6
1 2 3 4 5 6
1 2

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