ACXA73-3129* : 4-Way Cassette Type (Type U3) Indoor Unit Control Board
TEST Pin
ACXA73-3440* : Middle Static Pressure Duct Type (Type F3) Indoor Unit Control Board
5
TEST Pin
CHK Pin
RC
DISP Pin
CHK Pin
RC
EEPROM
DISP Pin
EEPROM
OPTION
OPTION
5-2-1-17