1 - 193
4. ELECTRICAL WIRING DIAGRAMS
YKB/YLM 2nd
PFFY
MEE15K022
Switch (for voltage selection)
Aux.relay
POWER SUPPL
Y
~ 220-240V 50, 60Hz
BREAKER(15A)
FUSE(15A)
PULL
BOX
T
O NEXT
INDOOR UNIT
Switch (connection No.set)
Switch (10ths digit address set)
Thermistor (piping temp.detection/gas)
Thermistor (piping temp.detection/liquid)
Switch (for mode selection)
T
O OUTDOOR UNIT
BC CONTROLLER
ME REMOTE
CONTROLLER
Switch (for model selection)
Switch (for capacity code)
Switch (for mode selection)
SW5 (A.B)
X04~06
Surge absorber board
S.B
T
ransmission terminal bed
TB5
T
ransmission terminal bed
TB15
Power source terminal bed
TB2
Switch (1s digit address set)
Thermistor (inlet temp.detection)
Address board
Indoor controller board
Capacitor (for MF)
Fan motor
NAME
SYMBOL
Electronic linear expan. valve
T
ransformer
Fuse
AC250V 6.3A
F
NAME
SYMBOL
SYMBOL
EXPLANA
TION
SW4 (I.B)
SW14 (A.B)
TH23
SW3 (I.B)
SW2 (I.B)
SW1 (A.B)
SW12 (A.B)
SW1
1 (A.B)
TH22
TH21
LEV
T
F
A.B
I.B
C
MF
C
TB5 (TRANSMISSION
TERMINAL
BED)
TB2
1
2
3
4
5
6
7
8
0
8
7
6
5
4
3
2
1
0
9
1
2
3
4
5
6
7
8
9
0
9
A
B
C
D
E
F
PE
(White)
(White)
MODEL. P20/P25 ONL
Y
(Black)
(White)
(Red)
(White)
(Red)
(Black)
6
5
SW5
CN62
CN82
AC250V
6.3A
F
( )
S.B
DSA1
CN1
1
3
ZNR1
1
2
3
4
5
6
1
2
3
4
5
6
2
1
3
1
2
1
3
1
T
2
ZNR
F
X06
X05
X04
4
1
3
2
4
1
3
7
TH21
SW4
CN42
4
3
2
1
4
3
2
1
7
8
TH23
2
1
2
1
CN29
SW1
1
(1s digit)
SW12
(10ths digit)
8
7
1
2
3
4
5
6
SW14
(Connection No.)
A.B
CN3T
3
1
M2
S(SHIELD)
M1
SW1
SW2
SW3
TH22
MF
LEV
N
L
6
5
1
4
3
1
1
3
2
2
2
5
3
3
1
1
1
6
5
4
3
2
1
CN81
CN20
CN21
CN60
CNT
CND
FA
N
3
CN2M
I.B
1
2
CN31
T
O MA
REMOTE
CONTROLLER
TB15 (TRANSMISSION
TERMINAL
BED)
1
2
CN3A
1
3
INSIDE SECTION OF CONTROL
BOX
REMOTE
SWITCH
CN32
CENTRALL
Y
CONTROL
CN51
REMOTE
INDICA
TION
CN52
PFFY-P20, 25, 32, 40, 50, 63VLEM-E, VLRM-E
