Wiring Diagram - Mitsubishi Electric PKFY-P15VBM-ER3 Technical & Service Manual

6

WIRING DIAGRAM

PKFY-P20VBM-E
Legend
Symbol
Name
I.B Indoor controller board
CN32 Connector Remote switch
Centrally control
CN51
Remote indication
CN52
SW2 Capacity code
Switch
SW3 Mode selection
P.B Indoor power board
ZNR Varistor
FUSE Fuse (6.3A 250V)
F.C
Fan phase control
Capacitor (fan motor)
C1
MF Fan motor
BRN
RED
M
BLU
ORN
LEV
YLW
W.B
WHT
9
SW1 SW2
CNB
BZ
RU
LED1 LED2
A.B
SW5
4
(RED)
220V 240V
ADDRESS
CN43
1
SW1
ON
8
OFF (RED)
1 2 3 4 5 6 7 8 9 1 0
ADDRESS
CN82
SW12 SW11
SW14
0 0 0
1
10ths 1s
BRANDH
DIGIT DIGIT
No.
See fig :*1
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 accessory
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.)
4. Symbols used in wiring diagram above are,
5. The setting of the SW2 dip switches differs in the capacity. For the detail, refer to the fig :*1.
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
LED1
Power supply for
LED2
MA-Remote controller
■
The black square ( ) indicates a switch position. <*1>
MODELS SW2
ON
P20
OFF
1 2 3 4
OCH418E
PKFY-P25VBM-E
Symbol
Vane motor
MV
Linear expansion valve
LEV
TB2
Terminal
block
TB5
Thermistor
TH21
TH22
TH23
A.B Address board
Switch
SW1
6
1
RED
WHT(PNK)
6
BLU
1
ORN
5
5
YLW
9
1 6 1 5 1
CN60 CN5V CN90
LEV VANE WIRELESS
(WHT) (BLU) (WHT)
1 5 1 5
CN51 CN52
1 4 1
4
CN42
ADDRESS
ADDRESS
8
(RED)
SW3 SW2
ON
3 1
OFF
CN32
12345678910 1234
I.B
: terminal block,
Function
Main power supply (indoor unit:220-240V)
power on lamp is lit
Power supply for MA-Remote controller
on lamp is lit
MODELS
ON
P25
OFF
Symbol
Name
Power supply
Transmission
Room temp.detection
W.B
(0:/15k",25:/5.4k")
Pipe temp.detection/liquid
(0:/15k",25:/5.4k")
Pipe temp.detection/Gas
(0:/15k",25:/5.4k")
Mode selection
TO MA-REMOTE
CONTROLLER
TH23 TH22 TH21
DC8.7-13V
M
1 2
MV
t° t° t°
M
1~
MF
9 1 2 1 2
CN29 CN21
GAS LIQUID
(BLK) (WHT)
8
CN81
1 3
1 3 1 2
CN35P
CN3A CN20
(RED)
(BLU)
MA- INTAKE
REMOCON (RED)
(BLU)
5
1 4
CN53P
CN41
(RED)
1
3 1 5 1
LED1
LED2
CN35M CN53M
(BLU) (RED)
P.B
: connector
SW2
1 2 3 4
15
Name
SW5 Switch Voltage selection
SW11 Address setting 1s digit
Address setting 10ths digit
SW12
Connection No.
SW14
Wireless remote controller board
RU Receving unit
BZ Buzzer
LED1 LED (Operation indicator: Green)
LED2 LED (Preparation for heating: Orange)
SW1 Emergency operation (Heat)
SW2 Emergency operation (Cool)
TO OUTDOOR UNIT
BC CONTROLLER
M-NET REMOTE CONTROLLER
DC24-30V
TB2
M1 M2 TB5
L
N
FAN
BREAKER
(GRN)
1 2 1 4 6 CND 1 3
CN2M (RED)
M-NET
(BLU)
~/N 220-240V 50Hz
C1
~/N 220V 60Hz
FUSE
250V
ZNR
6.3A
F.C
U
TO NEXT
INDOOR UNIT
PULL
BOX
FUSE
(16A)
(16A)
POWER SUPPLY