CVP09FX
4 – 1
CVP09FX
Service Manual
CHAPTER 4.
EXPLANATION OF CIRCUIT AND OPERATION
[1] ELECTRONIC CONTROL CIRCUIT DIAGRAM
50V
50V
50V
50V
50V
50V
50V
50V
(JP68)
BCN3
2
1
21
C18
25V 47µ
ALARM
SW2
IC3
7805
IN
8µ
F
60µ
F
2
50V
PA031
3A
125V
WHITE
BLACK
6
5
(C15)
0.01µ
275V
C15
8
7
4
5
IC8
7
6
8
0.1µ
1234
CN80
R11
1K
R13
R12
6.8K
1K
R10
CN7
11
SSR1
CLUSTER
R28
R26
R24
R22
R20
R29
R27
R25
R23
R21
3
6.8K
(NOTE)
D5
C4
AC115V
60Hz
RY1
TR1
:
SWITCH
FLOAT
)
(
1
2
4
5
1
2
4
5
(UPPER)
RES.
No.enclosed
b
y
rectangleare
CHIP
P
ARTS.
3
(BLACK)
G
N
JP10
FUSE1
(WHITE)
C41
35V1000µ
+
IC2
7812
0.1µ
50V
OUT
IN
C17
35V1000µ
C16
+
CN8
JP9
C20
C19
TR1
275V
0.1µ
NR1
SA1
NR2
OUT
+
0.1µ
10V
100µ
+
D1
~
4
50V
9
GND
3
5V
12V
UNLESS
OTHERWISE
SPECIFIED,
POWER
O
F
RESISTOR
IS
1
/
4W.
:T
E
S
TP
O
IN
T
MOTOR
LOUVER
DRAIN
NC
B
A
2
1
CN12
SW1
4
3
2
1
CN13
(
SWITCH
DRAIN
FLOAT
PUMP
CONTROL
)
P43
P42
P41
P40
P37
P36
P35
P34
UI1
UO1
P31
P00
P01
P02
P03
P04
P05
P06
P07
P10
P11
P12
P13
P14
P15
P16
P17
P20
P22
P23
P24
P25
P26
P27
X1
X0
MD1
MD0
RST
P64
P63
P62
P61
P60
AVR
P57
P56
P55
P54
P53
P52
P51
P50
MD2
9
IC1
(PATTERN
SIDE)
0.1µ
Vss
AVss
AVcc
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
51
50
49
NC
P30
64
63
62
61
60
59
58
57
56
55
54
53
52
P44
P46
P45
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
Vcc
20
21
22
23
24
25
26
27
28
29
30
31
32
P21
GND
UI1
UO1
4
3
2
1
5V
(CN99)
16V
0.01µ
0.01µ
0.01µ
16V
16V
JP5
JP4
JP3
JP2
MB89538
BZ1
8
3
2
1
Q6
8
9
IC6
275V
1
3
0.01µ
0.1µ
3
1
2
0.1µ
1
3
2
THERMAL
PROTECTOR
FAN
3
5
1
275V
1W
100
0.033µ
275V
SSR2
0.01µ
MOTOR
C10
C11
C12
C13
IC
HOLE
HOLE
IC
CN4
Q4
MOTOR
0.01µ
275V
0.033µ
1W
275V
CN3
1
5
3
FAN
PROTECTOR
THERMAL
2
3
1
0.1µ
2
1
3
0.1µ
DRAIN
PUMP
CN2
C14
0.033µ
275V
100
1W
22K
22K
16V
0.01µ
2
1
20K
Q1
SSR3
SSR4
16V
0.01µ
0.01µ
16V
16V
0.01µ
C5
C6
C7
C8
C9
C21
JP1
C26
C27
C28
C29
C35
C36
C37
470
RY1
1.8K
470
470
470
SSR1
R3
R6
R7
R8
R9
R32
R33
R34
R35
R36
C34
16V
0.01µ
C33
0.01µ
16V
OSC1
8MHz
8
JP11
1/
2W
1W
1W
1/
2W
SSR4
SSR2
SSR3
10µ
16V
+
+
16V
10µ
+
10µ
16V
C38
100µ
10V
+
C42
C39
C40
R51
R53
4.431kW(25ºC)
6
5
4
3
1
2
CN14
CN5
CN6
JP12
JP13
JP14
JP15
JP16
6.8KF
C22
4
3
2
1
R16
R15
R14
3.3K
3.3K
3.3K
16V
0.01µ
C25
50V
1000p
C24
(INDOOR)
(OUTDOOR)
IC5
IC7
R1
1W
100
L1
L2
100
R2
BROWN
GRAY
YELLOW
BROWN
YELLOW
GRAY
Q5
R4
2K
2W
2K
2W
R5
50V
0.1µ
C23
C32
C31
C30
0.1µ
1µ
50V
+
3
1
0.1µ
IC4
R52
10KF
6.8KF
10kW(25ºC)
ROOM
TMP.
4.431kW(25ºC)
OUTDOOR
INDOOR
PIPE
TMP.
PIPE
TMEP.
NC
NC
NC
C1
RUNNING
CAPACITOR
10K
R48
R49
10K
10K
R50
R46
10K
240K
R54
240K
R55
DISPLAY
&
RECEIVER
BOARD
UNIT
1.3K
R505
LED504
R501
2.7K
820
R502
LED502
LED501
C501
+
10V 47µ
5
4
2
1
3
7
6
5
4
3
2
1
0.1µ
C502 50V
SW501
IC501
1
2
3
4
3
1
2
4
5
680
R47
10K
R44
R59
R61
TIMER
TURBO
OPERATION
R60
BCN503
CLUSTER
PLASMA
BL
GR
LED503
BCN1
CN501
CN502
R64
47
1W
47
1W
CN9
LOUVER
MOTOR
3
R63
2.7K
2
3
Q9
3.3K
R39
BCN2
R42
3.3K
R41
22K
10K
R45
10K
R43
3
3
2
1
BCN701
PI701
N
L
2
1
COMPRESSOR
BLACK
BLUE
C3
250V
CAPACITOR
FAN
MOTOR
FAN
MOTOR
CAPACITOR
C2
250V
6µ
F
BLACKBLACK
BLUE
JP7
JP6
(LOWER)
5
4
2
1
5
4
2
1
1
2
3
4
3
4
1
2
(
SWITCH
DRAIN
FLOAT
ALARM
)
R701
1/
2W470
C
D
RED
BLACK
BLUE
BLUE
BLACK
RED
TH3
TH1
TH2
POWER
SUPPLY
PLUG
USA
D7
47
1W
47
1W
NONE
NONE
NONE
NONE
NONE
13K
15K
15K
15K
15K
13K
15K
1
3K
13K
13K
OUTDOOR
FAN
S
PEED
L
INDOOR
FAN
SPEED
M
H
FAN
SPEED
INDOOR
INDOOR
FAN
SPEED
FAN
S
PEED
INDOOR
TURBO
R29
R28
R27
R26
R25
R24
R23
R22
R21
R20
B
SELECT
MODEL
A
SELECT
MODEL
JP7
LESS
RESTART
AUTO
TEST
SWEAT
WIRE
ON
PWR
DEF.
SYMBOL
JP2
JP3
JP4
JP1
JP6
JP5
NONE
(XA)
(XA)
(XH)
(XA)
(XA)
(VH)
(XH)
(VH)
(VH)
(WHITE)
(XH)
(WHITE)
(XH)
(BLACK)
(PH)
(PH)
(PH)
(XH)
(BLACK)