A746802
: 4-way Cassette Type Indoor Unit Control Board
EEPROM
A746803
: Duct Type Indoor Unit Control Board
5
EEPROM
A747711 : Ceiling Type (T2 type) Indoor Unit Control Board
EEPROM
OPTION
TEST Pin
OPTION
TEST Pin
OPTION
TEST Pin
CHK Pin
RC
CHK Pin
RC
CHK Pin
RC
5-12