Ground - Mitsubishi Electric MXZ-4C36NAHZ Technical & Service Manual

Split-type, heat pump air conditioners
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MXZ-8C48NA
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〉
TH2
Thermistor〈Hic Pipe〉
TH3
Thermistor〈Outdoor Liquid Pipe〉
TH4
Thermistor〈Compressor〉
TH6
Thermistor〈Suction Pipe〉
MULTI. B.
MF1
1
7
(WHT)
MS
3∼
MF2
1
7
(WHT)
MS
3∼
1
2
3
CNDC
(PNK)
52C
1
3
1
(BLK)
21S4
TB3
2
RED
M1
M2
RED
S
TO BRANCH BOX
CONNECTING WIRES
DC 30V(Non-polar)
TB7
2
YLW
M1
M2
YLW
S
FOR CENTRALIZED
CONTROL
DC 30V(Non-polar)
TB1B
FUSE1
B1
FUSE2
B2
TO BRANCH BOX
POWER SUPPLY
∼ 208 / 230V 60Hz
OCH573E
NAME
SYMBOL
TH7
TH8
LEV-A,LEV-B Electronic Expansion Valve
DCL
P.B.
U/V/W
LI
NI
DCL1,DCL2
IGBT
EI,E2,E3,E4
MULTI.B.
SW1
SW2
SW3
SW4
SW5
SW6
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
(WHT)
(RED)
(WHT)
(WHT)
(BLK)
CNF2
1
3
1
3
63LS
63H
(BLU)
(YLW)
CN2
1
(RED)
TRANS
7
F1
F2
21S4
SV2
SV1
3
1
3
1
3
1
3
1
2
SS
(BLU)
(GRN)
(GRY)
(WHT)
(RED)
SV1
2
7
2
1 2
1
7
CN2
CN4
(RED)
(WHT)
N2
+
P2
TH8
t゜
DCL2 DCL1
W
V
U
DCL
V
U
W
MS
3∼
MC
TB1
RED
L1
BLU
L2
GRN/YLW
GR
NAME
SYMBOL
SW7
Thermistor〈Ambient〉
Thermistor〈Heat Sink〉
SW8
SW9
Reactor
SWU1
Power Circuit Board
SWU2
Connection Terminal〈U/V/W-Phase〉
CNS1
Connection Terminal〈L-Phase〉
CNS2
Connection Terminal〈N-Phase〉
SS
CN3D
Connection Terminal〈Reactor〉
Power Module
CN3S
Connection Terminal〈Ground〉
CN3N
Controller Circuit Board
CN51
Switch〈Display Selection〉
LED1,LED2
Switch〈Function Selection〉
LED3
Switch〈Test Run〉
F1,F2
Switch〈Model Selection〉
X501∼505
M-NET P.B.
Switch〈Function Selection〉
Switch〈Function Selection〉
TB1
LEV-A
LEV-B
M
M
CN3D
CN3S
CN3N
SWU2 SWU1 SW9
(WHT)
(RED)
(BLU)
1
1
1
3 1
3 1
3
5
5
CNLVA
CNLVB
CN52C
(WHT)
(RED)
(RED)
1
3
1
5
CN51
3
(WHT)
7
CN4
(WHT)
2
1
2
CNS1
CNS2
CN41
CN40
LED3
(RED)
(YLW)
(WHT)
(WHT)
2 1 2 1
CNAC
4
1
4
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
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〈Connection For Option〉
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
SW4
SW3
SW7
※1
LED1
LED2
CN102
(WHT)
1
4
1
4
1
4
CN2
(WHT)
BLK
TB1
CN1
(WHT)
1
5 3
2
P. B.
BLK
1
2
3
BLK
1
2
3
L I
※1 MODEL SELECTION
The black square( )indicates a switch position.
MODELS
SW2
SW4
SW8
ON
ON
ON
MXZ-8C48NA
OFF
OFF
OFF
5 6
1 2 3 4 5 6
1 2

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