Functions and control
11                   Domestic air conditioner 
6.Printed circuit board connector wiring diagram 
Connectors 
PCB(1) (Control PCB) For    AS18TD2HRA 
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,CN10    Connector for L&R STEP motor 
5) CN21    Connector for power N wire     
6) CN52    Connector for power L   
7) CN7    Connector for display board 
         8) C0N2,C0N3  Connector for ions generator 
                  9) CN23    Connector for communicate between the indoor board and the outdoor board 
10) CN36    Connector for long-range control 
11) CN34    Connector for Net Module 
12) CN51    Connector for room card 
13) CON1    Connector for Fresh air 
 Note: Other designations 
PCB(1)  (Indoor Control PCB) 
1) SW1    Connector for Forced operation ON / OFF switch 
2) SW2    1 Select remote code A or B, 2 Select room card able or disable⩖3,4 Select 23ʙ26ʙ33 and 
35 , 
         3) RV1  Varistor0 
4) FUSE1  Fuse 3.15A/250VAC