Printed circuit board connector wiring diagram
11  Domestic air conditioner 
6. Printed circuit board connector wiring diagram
Connectors       
PCB(1) (Control PCB) For 18k 
1) CN9   Connector for fan motor
2) CN6   Connector for heat exchanger thermistor and Room temperature thermistor
3) CN5’ Connector for UP&DOWN STEP motor
4) CN11
CN11’ Connector for RIGHT&LEFT STEP motor
5) CN21
white line CN17(black line)    Connector for indoor terminal N and    L 
6) CN7    Connector for display board
7) CON2
CON3    Connector for ion generator
8) CN23 (red line)    Connector for communicate between the indoor board and the outdoor board
9) CN36 Connector for long-range control 
10) CN34 Connector for wifi Module   
11) CON1   Connector for fresh air 
12) CN2 Connector for wired controller 
13) CN51   Connector for room card 
Note: Other designations 
PCB(1)    (Indoor Control PCB) 
1) CN14    Connector for Forced operation ON / OFF switch
2) FUSE1    Fuse 3.15A/250VAC
OFF ON
1 A B
2 N-RC RC
3 ON ON OFF OFF
4 ON OFF ON OFF
PCB 35 33 26 23
AS50TDMHRA-C
J1 OFF OFF ON ON
J2 OFF ON OFF ON
DISPLAY SERIES 325/498 324 387/1045 317
UNIT MODEL
AS50TDMHRA-C