Wiring Diagram - Mitsubishi Electric PKFY Series Technical & Service Manual

5

WIRING DIAGRAM

PKFY-P20VAM-A
PKFY-P25VAM-A
Legend
Symbol Name
M.B Indoor controller board
Remote switch
CN32 Connector
CN41 HA terminal-A
CN51 Centrally control
Remote indication
CN52
SW2 Switch Capacity code
SW3 Mode selection
TH21 Thermistor Room temperature,detection
(0:/15T,25:/5.4T)
TH22 Pipe temperature,detection/liquid
(0:/15T,25:/5.4T)
BRN
RED
LEV
BLU
ORN
YLW
WHT
A.B
SW5
4
4
(RED)
220V 240V
3
ADDRESS
2
SW1
CN43
1
8
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
Main power supply(Indoor unit:220-230-240V)
LED1 Main power supply
power on
Power supply for Power supply for MA-Remote controller
LED2
MA-Remote controller
on
All manuals and user guides at all-guides.com
Symbol
TH23 Thermistor
P.B Indoor power board
ZNR Varistor
FUSE Fuse (6.3A)
F.C Fan phase control
MF Fan motor
C1 Capacitor(fan motor)
MV Vane motor
LEV Linear expansion valve
6
5
4
RED
3
1
6
PNK
2
2
BLU
1
3 MV
ORN
5 4
YLW
5
1 2 3 1 2 3
1 2 3 4 5 6 1 2 3 4 5 1 2 3 4
CN32 CN34 CN29
CN60 CN5V
HA
REMOTE (GRN)
LEV (BLU)
CN41
SWITCH
(WHT)
(WHT)
(WHT)
1 2 3 4 5 1 2 3 4 5
CN51 CN52
1 2 3 4 1 2 3 4 5
CENTRALLY REMOTE
CN42 CN81
CONTROL INDICATION
ADDRESS ADDRESS
(WHT) (GRN)
(RED) (RED)
LED2
CN53M
POWER BOARD
(RED)
POWER BOARD
M.B
: terminal block,
Function
lamp is lit
lamp is lit
Name Symbol
Pipe temperature,detection/Gas TB2
(0:/15T,25:/5.4T)
TB5
A.B
SW1<A.B>
SW5<A.B>
SW11<A.B>
SW12<A.B>
SW14<A.B>
TO MA-REMOTE
CONTROLLER
TH23 TH22 TH21
DC8.7-13V
M1M2
1 2
MF
1 2 1 2
CN21
LIQUID
GAS
(BLK) (WHT)
1 2
CN2M
M-NET
(BLU)
6 7 8 1 2 3
1 3 1 2
CN35P
CN20
CN3A
MICON
INTAKE
(BLU)
BOARD
(RED)
(BLU)
5
CN53P
4
MICON
3
BOARD
2
(RED)
1
1 2 3 4 5
CN35M LED1
1 2 3
(BLU)
P.B
: connecter.
Models SW2 Models
ON
PKFY-P20VAM PKFY-P25VAM
OFF
1 2 3 4
10
Name
Terminal Power supply
Transmission
block
Circuit board Address board
Switch Mode selection
Voltage selection
Address setting 1st digit
Address setting 2nd digit
Connection No.
TO NEXT
TO OUTDOOR UNIT
INDOOR UNIT
BC CONTROLLER
M-NET REMOTE CONTROLLER
DC24-30V TB2
L
PULL
N
BOX
TB5
FUSE
(15A)
BREAKER
(15A)
CND
FAN
1 3
1 4 6
POWER SUPPLY
(RED)
(GRN)
~/N 220-230-240V 50Hz
~/N 220V 60Hz
C1
FUSE
250V
ZNR
6.3A
F.C
<w1>
SW2
ON
OFF
1 2 3 4