Indoor/Outdoor inter-unit cable
Power transformer output
Louver
Drain pump
output
Network adapter
power supply
Power transformer input (AC11V,14V,20V)
Microcomputer operation LED
Fan output
EXCT
TA sensor
Float SW
TCsensor
TCJ sensor
CHK
Outside error input
Remote controller
power LED
HA
Optional output
Remote controller
inter-unit cable
DISP