– 40 –
5-3. Indoor Print Circuit Board
5-3-1. Compact 4-way Cassette Type / Concealed Duct Type / Ceiling Type
<MCC-1402>
DC fan output
DC fan return
Float SW
Louver
(Used only for Compact 4-way Cassette Type, Ceiling Type)
Fan output
Optional output
TC sensor
HA (T10)
CHK
DISP
TA sensor Remote controller inter-unit wire
EXCT
Used for
servicing
TCJ sensor
Drain pump output
Remote controller
power supply LED
Optional
power supply
Indoor/Outdoor
inter-unit cable
Filter/Option error input EEPROM Connection interface
Microcomputer operation LED