Wiring Diagram - Mitsubishi Electric M Series Service Manual

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WIRING DIAGRAM

MVZ-A12, 18, 24, 30, 36AA7
1
(BLUE) SW1
CN3C
3
SW2
CN90
OFF
1
SWE
2
ON
3
SW5
4
5
6
7
8
9
(BLACK)
LED3 CN2C
(GREEN)
CNF
CN44 CN4F
(RED)
1
CN20
1
2
2
3 1
3
4 2
4
1 2 3 4 5 6 7 8 9
CN1
LED1
BZ1
RU
SW1 SW2
W.B.
t˚ t˚ t˚
OPTIONAL PARTS
TH2 TH5 TH1
SYMBOL EXPLANATION
SYMBOL NAME SYMBOL
INDOOR CONTROLLER BOARD I.B.
I.B.
CONNECTOR (HEATER CONTROL 1ST)
CN24-1
CN24-2 CONNECTOR (HEATER CONTROL 2ND)
CN25 CONNECTOR (HUMIDITY OUTPUT)
CN2A CONNECTOR (0-10V ANALOG INPUT)
P.B.
CN2C CONNECTOR (ERV OUTPUT)
CONNECTOR (LOSSNAY)
CN2L
CONNECTOR (REMOTE SWITCH)
CN32
CONNECTOR (HA TERMINAL-A)
CN41
CONNECTOR (CENTRALLY CONTROL)
CN51
CN90 CONNECTOR (WIRELESS)
CN105 CONNECTOR (RADIO FREQUENCY INTERFACE)
CNER CONNECTOR (ERV INPUT)
CNF CONNECTOR (HUMIDITY INPUT)
LED1 LED(POWER SUPPLY)
LED(REMOTE CONTROLLER SUPPLY)
LED2
LED(TRANSMISSION INDOOR-OUTDOOR)
LED3
SYMBOL NAME
INDOOR CONTROLLER BOARD
I.B.
CONNECTOR (HEATER CONTROL 1ST)
CN24-1
CONNECTOR (HEATER CONTROL 2ND)
CN24-2
CONNECTOR (HUMIDITY OUTPUT)
CN25
CONNECTOR (0-10V ANALOG INPUT)
CN2A
CONNECTOR (ERV OUTPUT)
CN2C
CONNECTOR (LOSSNAY)
CN2L
CONNECTOR (REMOTE SWITCH)
CN32
CONNECTOR (HA TERMINAL-A)
CN41
CONNECTOR (CENTRALLY CONTROL)
CN51
CONNECTOR (WIRELESS)
CN90
CONNECTOR (RADIO FREQUENCY INTERFACE)
CN105
CONNECTOR (ERV INPUT)
CNER
CONNECTOR (HUMIDITY INPUT)
CNF
LED(POWER SUPPLY)
LED1
LED(REMOTE CONTROLLER SUPPLY)
LED2
LED(TRANSMISSION INDOOR-OUTDOOR)
LED3
I.B.
5
CN32
4
(RED)
3
CN105
2
1
LED2
(BLACK)
CN2A
CN41
(RED)
CN25
(BLUE) 2
CNER
1
CN22
(BLUE)
CN51
CN24-2
(BLUE)
CNXB2
LED1
CNXA2
(YELLOW) (RED) 1
CN2L 2 1
CN24-1 CNXC2
3 2
4 1 3
5 2 4
NAME SYMBOL
INDOOR CONTROLLER BOARD OPTIONAL PARTS
SWITCH (FOR MODEL SELECTION) W.B.
SW1
SWITCH (FOR CAPACITY CODE)
SW2
SWITCH (FOR MODE SELECTION)
SW5
SWE CONNECTOR (EMERGENCY OPERATION)
POWER SUPPLY BOARD
FUSE AC250V 6.3A
F01
VARISTOR
ZNR01,02 R.B.
ARRESTOR
DSA
X10 AUX.RELAY
TH1
INTAKE AIR TEMP. THERMISTOR
TH2 .
PIPE TEMP THERMISTOR/LIQUID
TH5 COND . /EVA . TEMP . THERMISTOR
TERMINAL BLOCK
TB4
(INDOOR/OUTDOOR CONNECTING LINE)
TERMINAL BLOCK
TB15
(REMOTE CONTROLLER TRANSMISSION LINE)
RFI RADIO FREQUENCY INTERFACE FOR RF THERMOSTAT
SYMBOL
I.B. INDOOR CONTROLLER BOARD
SWITCH (FOR MODEL SELECTION)
SW1
SWITCH (FOR CAPACITY CODE)
SW2
SWITCH (FOR MODE SELECTION)
SW5
CONNECTOR (EMERGENCY OPERATION)
SWE
P.B. POWER SUPPLY BOARD
FUSE AC250V 6.3A
F01
VARISTOR
ZNR01,02
ARRESTOR
DSA
X10 AUX.RELAY
TH1 INTAKE AIR TEMP. THERMISTOR
TH2 .
PIPE TEMP THERMISTOR/LIQUID
. .
TH5 COND /EVA TEMP
TERMINAL BLOCK
TB4
(INDOOR/OUTDOOR CONNECTING LINE)
TERMINAL BLOCK
TB15
(REMOTE CONTROLLER TRANSMISSION LINE)
RFI RADIO FREQUENCY INTERFACE FOR RF THERMOSTAT
RFI
INSIDE SECTION OF CONTROL BOX
P.B.
(RED)
1 3 5 CND
DSA
F01
U
ZNR01
ZNR02
U
DC280-340V
X10
RECTIFIER CIRCUIT
(BLUE)
CNXC1 CNXA1 CNMF
CNXB1
1 2 3 4 5 1 2 1 2 3 4 7 6 5 4 1
MS
3~
FAN MOTOR
Note1.Since the outdoor side electric wiring may change be sure
NAME
IR WIRELESS REMOTE CONTROLLER BOARD
RU RECEIVING UNIT
BZ1 BUZZER
LED1 LED(RUN INDICATOR)
SW1 SWITCH(HEATING ON/OFF)
SWITCH(COOLING ON/OFF)
SW2
WIRED REMOTE CONTROLLER BOARD
TERMINAL BLOCK
TB6
(REMOTE CONTROLLER TRANSMISSION LINE)
NAME SYMBOL
OPTIONAL PARTS
W.B.
RU
BZ1
LED1
SW1
SW2
R.B.
TB6
.
THERMISTOR
17
TRANSMISSION
WIRES DC 12V
TB15
TB6
1
1
2
2
R.B.
REMOTE CONTROLLER
TB4
S1
OPTIONAL PARTS
S2
TO OUTDOOR UNIT
S3
SWITCH
MODEL MODEL SWITCH
ON ON ON
ON ON ON
MVZ-A12AA4
MVZ-A12AA7
1 2 3 4 5 1 2 3 4 5 1 2 3 4 5 6 8 7
1 2 3 4 5 1 2 3 4 5 1 2 3 4 5 6 8
ON ON ON
ON ON ON
MVZ-A18AA4
MVZ-A18AA4 MVZ-A18AA7
1 2 3 4 5 1 2 3 4 5 1 2 3 4 5 6 8 7
1 2 3 4 5 1 2 3 4 5 1 2 3 4 5 6 8
ON ON ON
ON ON ON
MVZ-A24AA4
MVZ-A24AA4 MVZ-A24AA7
1 2 3 4 5 1 2 3 4 5 1 2 3 4 5 6 8 7
1 2 3 4 5 1 2 3 4 5 1 2 3 4 5 6 8
ON ON ON ON ON ON
MVZ-A30AA4
MVZ-A30AA4 MVZ-A30AA7
1 2 1 3 2 4 3 5 4 5 1 2 1 3 2 4 3 5 4 5 1 2 1 3 2 4 3 5 4 6 8 5 7 6 8
ON ON ON ON ON ON
MVZ-A36AA4
MVZ-A36AA7 MVZ-A36AA4
1 2 1 3 2 4 3 5 4 5 1 2 3 4 5 1 2 3 4 5 1 2 1 3 2 4 3 5 4 6 8 5 7 6 8
to check the outdoor unit electric wiring for servicing.
2.Indoor and outdoor connecting wires are made with
polarities,make wiring matching terminal numbers
(S1,S2,S3).
3.Symbols used in wiring diagram above are as follows.
:CONNECTOR
:TERMINAL
(HEAVY DOTTED LINE):FIELD WIRING
(THIN DOTTED LINE):OPTIONAL PARTS
4.Use copper supply wire.
UTILISER DES FILS D'ALIMENTATION EN CUIVRE.
NAME
IR WIRELESS REMOTE CONTROLLER BOARD
RECEIVING UNIT
BUZZER
LED(RUN INDICATOR)
SWITCH(HEATING ON/OFF)
SWITCH(COOLING ON/OFF)
WIRED REMOTE CONTROLLER BOARD
TERMINAL BLOCK
(REMOTE CONTROLLER TRANSMISSION LINE)
© 2016 Mitsubishi Electric US, Inc.
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