P
CB
Dia
g
ra
m
and
Parts
L
ist
S
a
m
s
u
n
g
El
e
c
troni
c
s
5
-
3
5
ERV Plu
s
(c
o
n
t.
)
①
#1:
P
OWE
R
(L
)
#
2
:
P
OWE
R
(
N
)
②
#1 : G
ND
③
#1:
D
E
MP
E
R
AC(L
)
#
2
:
D
E
MP
E
R
AC(
N
)
④
#1:
D
C
3
10V
#
3
: G
ND
#4 :
D
C1
5
V
#
5
: FA
N
R
PM
#6 :
R
PM
FEE
D
BACK
⑤
#1:
D
C
3
10V
#
3
: G
ND
#4 :
D
C1
5
V
#
5
: FA
N
R
PM
#6 :
R
PM
FEE
D
BACK
⑥
#1: I
NN
E
R
D
E
MP
E
R
AC(L
)
#
2
: I
NN
E
R
D
E
MP
E
R
AC(
N
)
⑦
#1: HU
M
I
D
AC(L
)
#
2
: HU
M
I
D
AC(
N
)
⑧
#1: FUSE CHECK SIG
N
AL
#
2
: G
ND
⑨
#1: CO
M
1(F1
)
#
2
: CO
M
1(F
2
)
#
3
: V1(
D
C1
2
V
)
#4: V
2
(G
ND
)
#
5
: CO
M2
(F
3
)
#6: CO
M2
(F4
)
⑩
#1: G
ND
#
3
:
D
C
5
V
#4: EE
P
R
O
M
_SELECT
#
5
: EE
P
R
O
M
_SO
#6: EE
P
R
O
M
_SI
#7: EE
P
R
O
M
_CLK
⑪
⑫
⑬
#1 : HU
M
I
D
STEAT
si
g
na
l
#
2
: G
ND
⑭
#1 : EXT CO
N
T
R
OL
si
g
na
l
#
2
: G
ND
⑮
#1 : CO
ND
SE
N
SO
R
#
2
: G
ND
#
3
: EVA I
N
SE
N
SO
R
#4 : G
ND
#
5
: EVA OUT SE
N
SO
R
#6 : G
ND
⑯
#1 : IN SIDE SENSOR
#2 : GND
#3 : OUT SIDE SENSOR
#4 : GND
⑰
#1 :
D
C 1
2
V
#
2
: CO
2
SE
N
SO
R
#
3
: G
ND
⑱
#1
~
#4: EEV
si
g
na
l
#
5
:
D
C1
2
V
#6 :
D
C1
2
V
⑲
#1: G
ND
#
2
: G
ND
#
3
: S
P
I
P
OWE
R
OUT
P
UT(
D
C1
2
V
)
⑳
#1: FLOAT SWITCH signal
#2: GND
㉑
#1 :
D
A
MP
E
R
SWITCH
si
g
na
l
#
3
: G
ND
㉒
#1 : HOO
D
si
g
na
l
#
2
: G
ND
TB_POWER-AC POWER
CN102-GND
TB_DAMPER
CN73-BLDC MOTER1
CN74-BLDC MOTER2
CN72-INNER DAMPER
CN71-HUMID
CN140-FUSE CHECK
TB_COM-COMMUNICATION
CN201-EEPROM
CN311-2WIRED REMOCON
CN301-DOWNLOAD
HUMID_STATE-HUMID STATE
TB_EXT1-EXT CONTROL
CN42- COND,EVA_IN/OUT
SENSOR
CN41-IN/OUT_SIDE SENSOR
CN43-CO2 SENSOR
CN62-EEV
CN801-SPI
CN51-FLOAT SWITCH
CN52-DAMPER SWITCH
TB_HOOD-HOOD