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MCC-1403 <1-way Cassette (YH) Type, Floor Standing Type, Concealed Duct High Static
Pressure Type, Floor Standing Concealed Type, Floor Standing Cabinet Type, Fresh Air
Intake Type>
AC fan output
Float SW
HA(T10)
Optional output
DISP
CHK
TC2 sensor
TA sensor
TCJ sensor
EXCT
Louver
Power supply
Power supply transformer (secondary side)
(AC 11, 14, 20V)
EEPROM
Indoor/outdoor communication
TCI sensor
PMV output
Used for
servicing
* Short plug inserted in
concealed duct
External error
input
Filter/optional error input
Power supply
transformer
(primary side)
Indoor/outdoor communication
(backup)
Remote
controller power
source LED
Remote controller
jumper
(doubling as central
control communication)
Drain pump
output
Optional
power supply
Microcomputer
operation LED
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