Lennox GCM07N User Manual

20
7. Schematic diagram and wiring diagram
7.1 Schematic diagram
1 2 3 4 5 6 7 8
A
B
C
D
87654321
D
C
B
A
X1
4M
R7
1M
A0
1
A1
2
A2
3
GND
4
SDA
5
SCL
6
WC
7
VCC
8
IC2 2 4C04
+5V
C2 104
R39
10K
R38
10K
SDA
SDA
SCL
SCL
C5
104
+5V
R4 12K
1
2
3
IC5 KIA70 42
RST
RST
BUZ1
BUZZER1
R5
1K
+12V
BUZ
BUZ
E4
10uF/16V
R8
8.1K/1%
C6
104
R10 2 K
D6
IN4148
D5
IN4148
+5V
1
2
CN2
T1_room
T1_room
T1_room
E5
10uF/16V
R9
8.1K/1%
C7
104
R11 2K
D8
IN4148
D7
IN4148
+5V
1
2
CN3
T2_I.pipe
T2_I.pipe
T2_I.pipe
CT1
0057 h
D10
1N4148
R14
1.4K/1%
R6
1K/1%
R13
16KE6
10uF/16V
D9
1N4148
R12 2 K
C8
104
+5V
Current
Curren t
Q2
9014
D11 1N4148
R15
12K
D12 1N4148
C9
104
ZERO
R16 12K
B
R17
12K
A
E7
10uF/16V
C10
102
R19 1 50
+5V
R18 10K
+5V
R20 1K
ZERO
C11
104
REC
REC
R215.1K
D13
IN4148
C12
103
+5V
1
2
3
CN4
FAN_BACK
+12V
FANSP_FEEDBACK
FANSP_FEEDBACK
REC
V
GND
REC1
RECEIVER_V
R2
8.06 K
R3
5.1K
+5V
C14
1.2u F/450V
IC6 PC817
T1T2
G
TR1
BT131
L2
?
C15
333
R242K
+12V-a
R26
1K
E9
470u F/25V
R28
11K/2W
Z1
12V
D15
IN4007
R29
11K/2W
L1
N
R25 5 1/1W
FAN_IN '
FAN_IN
IN1
1
IN2
2
IN3
3
IN4
4
IN5
5
IN6
6
IN7
7
VSS
8
VDD
9
OUT7
10
OUT6
11
OUT5
12
OUT4
13
OUT3
14
OUT2
15
OUT1
16
IC7
UJN2003
STEP_I2
STEP_I1
STEP_I3
STEP_I4
STEP_I2
STEP_I1
STEP_I3
STEP_I4
+12V-a
C19
104
1
2
3
4
5
CN12
SWING
FAN_IN '
FAN_IN
BUZ '
BUZ '
COMP
COMP
COMP '
COMP '
R33
2K
Q5
9014
RY3
RELAY-SPST
+12V-a
D22
IN4148
R34
2K
Q6
9014
RY4
RELAY-SPST
+12V-a
D23
IN4148
R35
2K
Q7
9014
RY5
RELAY-SPST
+12V-a
D24
IN4148
C20
333
R36
51/1W
VALVE
VALVE
FAN_OUT
FAN_OUT
O2
O2
RY6
COMP
+12V-a
L(POWER_IN PORT)
LOAD_COMP
FUSE1
3.15 A/250V
L1
L1
FRESH
LOAD_VALVE
LOAD_FAN OUT
LOAD_HEAT L
1
CN11
N
1
CN10
O2_L
1
2
CN13
ZR1
10D471K
C23
0.1u F/275VAC
1
2
CN15
TRANS_IN
t
PTC
82RM
      
Dsa
1
Dsb
2
Q0
3
Q1
4
Q2
5
Q3
6
GND
7
CP
8
MR
9
Q4
10
Q5
11
Q6
12
Q7
13
Vcc
14
IC8
74HC164
+5V
+5V
COM1
COM2
COM3
SEG3
SEG4
R60
10K
R59
10K
+5V
C24
104
SEG3
SEG4
Q8
9012
Q9
9012
Q10
9012
R44
330
R45 3 30
R46 3 30
R47 3 30
R48 3 30
R49 3 30
R54 3 30
R55 3 30
R41
2K
R42
2K
R43
2K
LED6

LED7

LED8

+5V
a
b
c
d
e f
g h
com1 com2
DIS1
WT4021BG
COM1 COM2 COM3
LED9

1
2
3
4
5
CN6
FAN_IN
+12V-a
COM1
COM2
COM3
SEG3
SEG4
SCL
SDA
T1
T2
CURRENT
TC_SELECT
STEP_I1
STEP_I2
STEP_I3
STEP_I4
FAN_IN
BUZ
COMP
VALVE
FAN_OUT
ZERO
FANSP
REC
O2
FRESH
RST
X2
X1
C25
104
+5V
P01
6
P02
7
P03
8
P04
9
VSS1
10
P05
11
P50
12
P51
13
VDD0
2
P25
3
P52
14
P53
15
AVDD
16
AVREF
17
AN0
18
P10
25
P11
26
P30
27
P31
28
P32
29
P33
30
P20
31
VDD1
32
P21
33
P22
34
P23
35
P26
4
P00
5
VSS0
1
P24
36
VppIC
37
XT2
38
XT1
39
RESET
40
X2
41
X1
42
AN1
19
AN2
20
AN3
21
AVSS
24
AN5
23
AN4
22
IC4 UPD789166
+5V
C26
104
JR5 10K
JR4
2K
+5V
  
1.JR1=2K        JR1     
2.                              
JR2          JR3        
3.             
JR4          JR5            
4.JR6            JR7           
C16
102
C17
102
R1
10K
R56 1 0K R57 1 0K R58 10K
+5V +5V
JR6
10K
JR7
10K
TC_SELECT
TC_SELECT
1
2
3
CN5
COM
+5V
R62
10K
LED5

R61 2K
SW1
JR1 2K
JR3 10K
JR2
10K
   
C1
104
Vin
1
GND
2
Vout
3
IC3 7 805 +5V
E3
470uF/16V
E1
2200u F/25V
C4
104
D4
D3
D2
D1
Vin
1
GND
2
Vout
3
IC1 7 812 +12V-a
E2
1000 uF/16V
C3
104
A
B
IN4007*4
C23
104
E10
2200u F/25V
D19
D18
D17
D16
Vin
1
GND
2
Vout
3
IC10 7812 +12V-b
E11
1000u F/16V
C24
104
C
D
IN4007*4
1
2
3
4
CN1
TRANS
GNDB
       
FRESH
R61
2K
Q11
9014
R62
1K
IC9
PC817
SW2
+12V-a +12V-b
R63
5.1K
Q12
9014
GNDB
+12V-b 1
2
CN16
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4205-4207
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V1.02004.02.18
       
            SchemeFor UPD78F9177
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Lennox GCM07N Specifications

General

Brand	Lennox
Model	GCM07N
Category	Air Conditioner
Language	English