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5-2. Indoor printed circuit board
MCC-1402 <compact 4-way cassette type, 1-way cassette (SH) type, ceiling type,
concealed duct standard type, slim duct type>
Microcomputer operation LED
Filter / optional error input
EEPROM
High-ceiling adjustment input
Power supply
Optional power supply
Remote controller
power source LED
Drain pump output
Remote controller jumper
Indoor / outdoor communication
(doubling as central control communication)
Indoor / outdoor communication (backup)
TCI sensor
TC2 sensor
External error input
TCJ sensor
EXCT
DISP
(Used for servicing)
CHK
(Used for servicing)
TA sensor
HA (T10)
Optional output
Fan output
Louver
Float SW
DC fan return
PMV output
DC fan output
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