Wiring Diagram - Mitsubishi Electric PCFY Series Technical & Service Manual

Split-type, heat pump air conditioners
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5

WIRING DIAGRAM

PCFY-P40VGM-A , PCFY-P63VGM-A , PCFY-P100VGM-A , PCFY-P125VGM-A
Legend
Symbol
Name
Indoor controller board
I.B
Connector
Remote switch
CN32
Centrally control
CN51
Remote indication
CN52
CNP
Drain-up machine
F.C
Fan phase control
FUSE (6.3A)
FUSE
Switch
Capacity code
SW2
Mode selection
SW3
SW4
Model selection
X1
Aux.Relay
Drain-up machine
Fan motor
X4
Varistor
ZNR
INDOOR POWER BOARD
P.B
MF
1
3
5
C1
I.B
FAN
1
3
5
CND
1 3
(WHT)
(RED)
X4
F.C
ZNR
X4
(RED)
(GRN)
ADDRESS
VANE
CN81
CN6V
6 5
4 3 2 1
8 7 6 5 4 3 2 1
6
6 5
4 3 2 1
MV
Note
1. At servicing for outdoor unit, always follow the wiring diagram of outdoor unit.
In case of using MA-Remote controller, please connect to TB15.
2.
(Remote controller wire is non-polar.)
In case of using M-NET, please connect to TB5.(Transmission line is non-polar.)
3.
Symbol [S] of TB5 is the shield wire connection.
4.
5.
Symbols used in wiring diagram above are,
6.
The setting of the SW2 dip switches differs in the capacity.
For the detail, refer to the fig : w1.
7.
Please set the switch SW5 according to the power supply voltage.
Set SW5 to 240V side when the power supply is 230 and 240 volts.
When the power supply is 220 volts, set SW5 to 220V side.
8.
Fasten terminal of the terminal board " TB5" equips lock system.
To remove the fasten terminal, pull it while pressing the protruding portion (locking level)
of the terminal. Connection of the fasten terminal, protruding portion should face upward.
Symbol
Capacitor (fan motor)
C1
Linear expansion valve
LEV
Fan motor (with inner thermo)
MF
MV
Vane motor
TH21
Thermistor
TH22
TH23
TB2
Terminal
block
TB5
TB15
Drain-up machine (OPTION)
DP
Drain sensor (OPTION)
DS
(OPTION)
DP
CNDK
CNP
1 3
1
3
(RED)
(BLU)
FUSE
250V
6.3A
X1
(GRN)
(WHT)
REMOTE
CENTRALLY
X1
INDICATION
CONTROL
CN52
CN51
5
1
5
(RED)
ADDRESS
SW2
SW3
CN42
0N
0FF
4 3 2 1
1
23456
12345678 910
See fig:w1
8
4
: terminal block,
Name
Room temperature detection
(0°C/15t,25°C/5.4t)
Pipe temperature detection / Liquid
(0°c/15t,25°c/5.4t)
Pipe temperature detection / Gas
(0°c/15t,25°c/5.4t)
Power supply
Transmission
MA-remote controller
P.B
AC220v~240V
DC13.1V
(RED)
(WHT)
TRANS
CNSK
CN2S
3
2
2
1
1
CN2D
LED1
(WHT)
(WHT)
(WHT)
HA
DRAIN
CN31
CN41
CN2M
1
4
3 2 1
(BLU)
M-NET
(WHT)
(WHT)
REMOTO
LEV
SWITCH
CN3A
CN60
CN32
(BLU)
1
1
3
6 5 4 3 2 1
(RED)
(WHT)
(BLK)
SW4
LIQUID
INTAKE
GAS
0N
CN21
CN20
CN29
0FF
2 1
2
1
2 1
1
2
3
4
5
6
2
1
2
6 5
4 3 2 1
TH21
TH22
TH23
LEV
<w1>
: connector.
13
Symbol
Address
A.B
Circuit board
Switch
Mode selection
SW1
Voltage selection
SW5
Address setting 1st digit
SW11
SW12
Address setting 2nd digit
SW14
Connection No.
Ceiling height selector
SWA
Option selector
SWC
LED on indoor board for service
Mark
Meaning
Main power supply (Indoor unit:220-240V)
Main power supply
LED1
power on
Power supply for MA-Remote controller
Power supply for
LED2
on
MA-Remote controller
TO NEXT INDOOR UNIT
TB2
RED
L
BLU
N
GRN/YLW
~/N 220-230-240V 50Hz
~/N 220V 60Hz
BLK
1
WHT
2
TB5
BLU
S(SHIELD)
1
M2
TO OUTDOOR UNIT
BLU
2
BC CONTROLLER
M1
REMOTE CONTROLLER
ORN
DC24-30V
1
TB15 1
TO MA-REMOTE
2
ORN
2
CONTROLLER
3
DC8.7-13V
MODELS
LED2
PCFY-P100,P125VGM
(GRN)
VANE
CN6V
1
6 5
4 3 2 1
6
6 5
4 3 2 1
MV
A.B
SW5
SWA
220V
240V
ADDRESS
3
2
SW1
1
ON
OFF
12345678910
SW12 SW11
SWC
0
0
3RD
2ND
1ST
DIGIT
DIGIT
DIGIT
Models
SW2
ON
PCFY-P40VGM
OFF
1
2
3
4
ON
PCFY-P63VGM
OFF
1
2
3
4
ON
PCFY-P100VGM
OFF
1 2 3 4 5 6
ON
PCFY-P125VGM
OFF
1 2 3 4 5 6
Name
Function
lamp is lit
lamp is lit
PULL BOX
FUSE(15A)
BREAKER
(15A)
(WHT)
DRAIN
CN31
3
2
1
I.B
DS
DS(OPTION)
4
(RED)
3
CN43
2
1
8
7
(RED)
ADDRESS
6
CN82
5
SW14
4
0
3
2
CONNECTION
NO.
1
SW3
ON
OFF
5
6
1 2 3 4
5 6
7
8
9
10
5
6
ON
OFF
1
2
3 4 5 6 7 8 9 10

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