Wiring Diagram - Mitsubishi Electric PKFY Series Technical & Service Manual

5

WIRING DIAGRAM

PKFY-P32VGM, PKFY-P40VGM, PKFY-P50VGM
Symbol
Indoor controller board
I.B
CN32 Connector Remote switch
CN41 HA terminal-A
CN51 Centrally control
CN52 Remote indication
SW2 Switch Capacity code
SW3 Mode selection
SW4 Model selection
ZNR Varistor
X4 Aux.Relay (Fan motor)
FUSE Fuse (6.3A)
F.C Fan phase control
T Transformer
MF
3 2 1
C1
I.B
CNT
(WHT)
FAN1
1 3 5
(WHT)
X4
F.C
X4
CN26
2 1
(RED)
(GRN)
ADDRESS
VANE
CN81
CN6V
6 5 4 3 2 1 8 7 6 5 4
8
MV
A.B
SW5 4
(RED)
220V 240V 3
ADDRESS
CN43
2
SW1
1
ON
(RED)
OFF
ADDRESS
1 2 3 4 5 6 7 8 910
CN82
SW14
SW12 SW11
SWC
0
0 0
CONNEC
1ST
3RD 2ND -TION No.
DIGIT
DIGIT DIGIT
Note
1.At servicing for outdoor unit,always follow the wiring diagram of outdoor unit.
2.Symbol[S] of TB5 is the shield wire connection.
3.Symbols used in wiring diagram above are,
4.The setting of the SW2 dip switches differs in the capacity for the detail,see the table below.
5.Please set the switch SW5 according to the power supply voltare.
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.
OC179B
Name Symbol
Thermistor
TH21
TH22
TH23
MF
C1
MV
TB2
TB5
LEV
CND
(RED)
FUSE
250V
6.3A
(WHT)
REMOTE CENTRALLY
INDICATION CONTROL
CN52 CN51
5 1 5
(RED)
SW2
ADDRESS
CN42 0N
3 2 1 4 3 2 1 0FF
1 2 3 4 5 6
See fig: 1
4
8
7
6
< 1 >
5
Models
4
3
PKFY- ON
OFF
2 P32VGM
1
ON
PKFY-
OFF
P40VGM
■
The black square ( ) indicates a switch position.
:terminal block, :connecter.
Name
Room temperature detection
(0 /15 ,25 /5.4 )
Pipe temperature detection/Liquid
(0 /15 ,25 /5.4 )
Pipe temperature detection/Gas
(0 /15 ,25 /5.4 )
Fan motor (with inner thermostat)
Capacitor (fan motor)
Vane motor
Terminal Power supply
block Transmission
Linear expansion valve
AC220-240V
T
AC18.4V
1 3 1 3
CN3T
(RED)
LED4 LED3 LED1
ZNR
(WHT)
(WHT)
(WHT)
REMOTO
LEV
SWITCH
CN32
CN60
6 5 4 3 2 1
1 1 3
(BLK) (WHT) (RED)
SW3
SW4
GAS LIQUID
0N
CN29 CN21
0FF
2 1 2 1
1 2 3 4 5 6 7 8 910 2 3 4
1
6
TH23 TH22
LEV
SW2 SW3
ON
OFF
1 2 3 4 5 6 1 2 3 4 5 6 7 8 9 10
ON
OFF
1 2 3 4 5 6 1 2 3 4 5 6 7 8 9 10
9
Symbol Name
Circuit board
A.B
SW1 Switch Mode selection
SW5 Voltage selection
SW11 Address setting 1st digit
SW12 Address setting 2nd digit
SW14 Connection No.
SWC Option selector
TO NEXT INDOOR UNIT
TB2
RED
L
BLU
N
GRN/YLW
CN2M
1
(BLU)
BLU
2
POWER SUPPLY
M-NET
BLU
~ 220-240V 50Hz
~ 220V 60Hz
LED2 LED5
TB5
S(SHIELD)
(RED) M2
DRAIN
M1
CN50
1
5 4 3 2 1
HA
CN41
INTAKE
(WHT)
CN20
2 1
4
TH21
Models
SW2
ON ON
PKFY-
OFF OFF
P50VGM
1 2 3 4 5 6 1
PULL BOX
FUSE(15A)
BREAKER(15A)
TO OUTDOOR UNIT
BC CONTROLLER
REMOTE CONTROLLER
DC24-30V
SW3
2 3 4 5 6 7 8 910