Wiring Diagram - Mitsubishi Electric PKFY-P20VAM-A Technical & Service Manual

5

WIRING DIAGRAM

PKFY-P20VAM-A
PKFY-P25VAM-A
Legend
Symbol Name
M.B Indoor controller board
CN32 Connector Remote switch
HA terminal-A
CN41
CN51 Centrally control
Remote indication
CN52
SW2 Switch Capacity code
Mode selection
SW3
TH21 Thermistor Room temperature,detection
(0:/15T,25:/5.4T)
TH22 Pipe temperature,detection/liquid
(0:/15T,25:/5.4T)
LEV
A.B
SW5
4
(RED)
220V 240V
3
ADDRESS
2
SW1 CN43
1
ON
(RED)
OFF
8
ADDRESS
1 2 3 4 5 6 7 8 910
7
CN82
6
SW14 5
SW12 SW11
4
0
0 0
3
2
1
3RD 2ND 1ST CONNECTION
DIGIT DIGIT DIGIT NO.
See fig: w1
Note
1.
At servicing for outdoor unit, always follow the wiring diagram of outdoor unit.
2. In case of connecting MA-remote controller, please connect MA remote controller cable in an accessorie
to the connector . (Remote controller wire is non-polar.)
1 2
3. In case of using M-NET, please connect to TB5.(Transmission line is non-polar.)
Symbols used in wiring diagram above are,
4.
The setting of the SW2 dip switches differs in the capacity. For the detail,refer to the fig: w1.
5.
6. 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.
LED on indoor board for service
Mark Meaning
LED1 Main power supply
Power supply for
LED2
MA-Remote controller
Symbol
TH23
P.B
ZNR
FUSE
F.C
MF
C1
MV
LEV
6
BRN
5
RED
4
BLU
3
1
6
ORN
2
2
YLW
1
3
WHT
5 4
5
1 2 3 4 5 6 1 2 3 4 5 1 2 3
CN60 CN5V
HA
LEV
(BLU)
CN41
(WHT)
(WHT)
4
1 2 3 4 5 1 2 3 4 5
CN51 CN52
1 2 3
CENTRALLY REMOTE
CN42
8
INDICATION
CONTROL
ADDRESS
(WHT) (GRN)
(RED)
M.B
: terminal block,
Function
Main power supply(Indoor unit:220-230-240V)
power on lamp is lit
Power supply for MA-Remote controller
on lamp is lit
Name
Thermistor Pipe temperature,detection/Gas
(0:/15T,25:/5.4T)
Indoor power board
Varistor
Fuse (6.3A)
Fan phase control
Fan motor
Capacitor(fan motor)
Vane motor
Linear expansion valve
TH23 TH22 TH21
RED
PNK
BLU
MV
ORN
YLW
4 1 2 3 1 2 3 1 2 1 2
CN32 CN34 CN29 CN21
REMOTE (GRN) GAS LIQUID
(BLK) (WHT)
SWITCH
(WHT)
4
1 2 3 4 5 6 7 8
1 3 1 2
CN81
CN20
CN3A
ADDRESS
INTAKE
(BLU)
(RED)
(RED)
LED2
CN53M
POWER BOARD 1 2 3 4 5
(RED)
CN35M
POWER BOARD 1 2 3
(BLU)
: connecter.
Models
ON
PKFY-P20VAM
OFF
10
Symbol
TB2 Terminal
TB5 block
Circuit board
A.B
SW1<A.B> Switch
SW5<A.B>
SW11<A.B>
SW12<A.B>
SW14<A.B>
TO OUTDOOR UNIT
TO MA-REMOTE
BC CONTROLLER
CONTROLLER
M-NET REMOTE CONTROLLER
DC8.7-13V
DC24-30V
M1M2
TB5
1 2
MF
FAN
1 2
1 4 6
(RED)
(GRN)
CN2M
M-NET
(BLU)
1 2 3
CN35P
C1
MICON
BOARD
(BLU)
ZNR
5
CN53P F.C
4
MICON
3
BOARD
2
(RED)
1
LED1
P.B
<w1>
SW2 Models SW2
ON
PKFY-P25VAM
OFF
1 2 3 4 1 2
Name
Power supply
Transmission
Address board
Mode selection
Voltage selection
Address setting 1st digit
Address setting 2nd digit
Connection No.
TO NEXT
INDOOR UNIT
TB2
L
PULL
N
BOX
FUSE
(15A)
BREAKER
(15A)
CND
1 3
POWER SUPPLY
~/N 220-230-240V 50Hz
~/N 220V 60Hz
FUSE
250V
6.3A
3 4