-
151
-
Printed circuit board
Sub printed circuit board
Position of compressor terminals
BK
W
RD
U
WH
V
T
o indoor unit
Po
wer wires
Signal wire
1
3
2
1Phase
220-240V 50Hz/220V 60Hz
P
o
wer sour
ce
TB
RD
WH
TB
OR
GR
BR
Y/GN
Y/GN
Y/GN
RD
RD
BK
BK
BK
BL
BL
BR
BR
OR
WH
Y
OR
BL
BR
RD
Y
WH
BL
WH
BK
BK
BK
BK
BK
WH
Y
BL
Outdoor swith board
Compressor motor
CM
Connector( mark)
CNA
~
Z
Fuse
F
FMo
F
an motor(outdoor unit)
LED1
Indication lamp(Red)
CH
Crankcase heater
Mark
Color marks
Color
BK
BR
GR
RD
Black
BL
Blue
Bro
wn
Gray
OR
Orange
Red
WH
White
Y
Y/GN
Y
ello
w/Green
Y
ello
w
P
ar
ts name
Mark
Meaning of marks
Tho-A
Tho-D
Tho-R
TB
T
erminal block( mark)
SW5-1
Defrost control switch
SW5-2
Sno
w pre
v
ented f
an control switch
SW5-4
T
est run switch(Cooling/Heating)
SW5-3
Operate test run switch
SW9
T
est run switch
SM
Expansion v
alv
e(for EEV)
Thermistor(dischar
ge temp.)
Tho-IPM
Thermistor(Po
wer transister temp.)
Thermistor(outdoor H.EX. temp.)
Thermistor(ambient air temp.)
P
ar
ts name
Mark
20S
Solenoid v
alv
e for 4 w
ay v
alv
e
N
F5(20A)
L
T25
T26
T22
T21
T24
CNR
CH
CM
FMo
Inductor
20S
CNS
CNI1
10
2/N
3
1
M
SM
5
2
14
3
CNV1
6
T4
T2
Tho-A
Tho-IPM
Tho-R
Tho-D
CNM
T1
T5
CNTR
2
1
2
13
UV
W
MS
3~
M
4
6
CNQ1
5
46
6
CNQ
1
2
3
LED1
CNI3
CNI2
T30
T28
T27
CNL
SW9
SW5
3
2
ON
14
t˚
t˚
t˚
t˚
()
(2) Outdoor
unit
Models FDCA151HENR,201HENR,251HENR