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4
WIRING DIAGRAM
MODELS : PKFY-20VAM, PKFY-25VAM
Legend
Symbol
Name
M.B
Indoor controller board
CN32
Remote switch connector
CN41
HA terminal — A connector
CN51
Centrally control connector
CN52
Remote indication connector
SW2
Capacity cord switch
SW3
Function selector
Room temperature thermistor
TH21
(0°C / 15kΩ, 25°C / 5.4kΩ)
Liquid pipe thermistor
TH22
(0°C / 15kΩ, 25°C / 5.4kΩ)
RED
PNK
BLU
MV
ORN
YEL
BRN
RED
BLU
LEV
ORN
YEL
WHT
A.B
SW5
4
(RED)
220V
240V
ADDRESS
CN43
SW1
1
ON
8
(RED)
OFF
ADDRESS
1
3 2
5 4
7 6
9 8
10
CN82
SW14
SW12
SW11
0
0
0
1
3RD
2ND
1ST
CONNECTION
DIGIT
DIGIT
DIGIT
NO.
See fig: 1
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, / : terminal block,
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 accordng to the power supply voltage.
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.
MODELS
SW2
ON
PKFY-20VAM
OFF
1 2 3 4
Symbol
Gas pipe thermistor
TH23
(0°C / 15kΩ, 25°C / 5.4kΩ)
P.B
Indoor power board
ZNR
Varistor
FUSE
Fuse (6.3A)
F.C
Fan phase control
T
Transformer
MF
Fan motor
C1
Fan motor capacitor
.
MV
Vane motor
LEV
Linear expansion valve
5
6
1 2 3
1 2 3 4
1
6
1
5
CN32
CN60
CN5V
HA
REMOTE
LEV
(BLU)
CN41
SWITCH
(WHT)
(WHT)
(WHT)
1
5
1
5
4
1
4
CN51
CN52
REMOTE
CENTRALLY
CN42
8
INDICATION
CONTROL
ADDRESS
(WHT)
(WHT)
(RED)
LED4 LED3 LED2 LED1
M.B
MODELS
PKFY-25VAM
Name
TH23
TH22
TH21
MF
1 2 3
1
2
1
2
CN33
CN29
CN21
REVOLUTION
GAS
LIQUID
(GRN)
(BLK)
(WHT)
8
1
2
1
1
CN20
CN81
ADDRESS
INTAKE
5
(RED)
(RED)
1
1
5
CN53-M
POWER BOARD
1
3
CN35-M
POWER BOARD
[
: connector,
<
1>
SW2
ON
OFF
1 2 3 4
Symbol
TB2
Power supply terminal block
TB5
Transmission terminal block
A.B
Address board
SW1 <A.B> Mode selector
SW5 <A.B> Voltage selector
SW11 <A.B> 1st digit address setting
SW12 <A.B> 2nd digit address setting
SW14 <A.B> Connection No. setting
TB5
S(SHIELD)
T O OUTDOOR UNIT
M2
BC CONTROLLER
M1
REMOTE CONTROLLER
DC24-30V
1
2
1
2
5
1 3
F AN1
CND
(GRN)
(RED)
CN2M
M-NET
3
(BLU)
C1
CN35-P
MICON
FUSE
LED5
BOARD
ZNR
250V
6.3A
F.C
CN53-P
MICON
BOARD
AC220-240V
T
AC18.4V
P.B
: direct wire connection.
Name
T O NEXT
INDOOR UNIT
TB2
L
PULL
N
BOX
GRN/YEL
FUSE
(15A)
BREAKER
(15A)
POWER SUPPLY
~/N 220-240VA@50Hz
BG79N652H01
7
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