AH-A129E
AU-A129E
8
Pin Terminal Input
No. Name
Output
Function
33 P27
IN
MODEL 4
34 P26
IN
MODEL 3
35 P25
IN
MODEL 2
36 P24
IN
MODEL 1
37 P23
IN
SWITCH AUX.
38 P22
IN
SWITCH TEST RUN
39 P21
IN
–
40 P20
IN
POWER ON
41 KI
IN
WIRELESS SIGNAL
42 P17
OUT
LED OPERATION
43 P16
OUT
LED TIMER
44 P15
OUT
–
45 P14
OUT
–
46 P13
OUT
(VALVE COIL)
47 P12
OUT
(OUT DOOR FAN)
48 P11
OUT
RY1
49 P10
OUT
SSR
50 P07
OUT
LOUVER MOTOR
51 P06
OUT
LOUVER MOTOR
52 P05
OUT
LOUVER MOTOR
53 P04
OUT
LOUVER MOTOR
54 P03
OUT
–
55 P02
OUT
–
56 P01
OUT
–
57 P00
OUT
–
58 GND
IN
0V
59 VDD
IN
5V
60 VR
IN
5V
61 P57
IN
(CURRENT LEVEL)
62 P56
IN
TH1
63 P55
IN
TH2
64 P54
IN
MODEL A
Microcomputer (IC1)
The microcomputer is a CMOS, one chip, 8-bit microcomputer.
Microcomputer port allocation is as follows.
Pin Terminal Input
No. Name
Output
Function
1
P53
IN
MODEL B
2
P52
IN
FAN H
3
P51
IN
FAN M
4
P50
IN
FAN L
5
P33
IN
WIRELESS
6
P32
IN
PREHEAT
7
P31
IN
PRM PLUSE
8
P30
IN
SWEAT
9
AGND
IN
0V
10 CK2
IN
OSILLATION
11 CK1
IN
OSILLATION
12 RESET IN
RESET
13 F
OUT
BUZZER
14 R46
IN
DEICE A
15 R45
IN
DEICE B
16 R44
IN
COMP. OFF WIDTH
17 R43
IN
DEHUM. FAN OFF
18 R42
IN
TEST 1
19 R41
IN
–
20 R40
IN
–
21 KH
IN
PRM SIGNAL
22 P66
IN
–
23 P65
IN
–
24 P64
IN
–
25 P63
IN
AC CLOCK
26 GND
IN
0V
27 P62
IN
–
28 P61
OUT
EEPROM CLOCK
29 P60
IN
EEPROM DATA
30 OSC
IN
–
31 OSC
OUT
–
32 TEST
IN
–
MICROCOMPUTER CONTROL SYSTEM
