Toshiba RAV-SM304MUT-E Service Manual page 41

Indoor P.C. Board Optional Connector Specifications (MCC-1402)
Function
Option output
Outside error input
CHK
Operation check
DISP display mode
EXCT demand
AMP Air Conditioning
Connector Pin
Specifications
No. No.
CN60 1 DC12V (COM)
2 Defrost output
3 Thermo. ON output
4 Cooling output
5 Heating output
6 Fan output
CN80 1 DC12V (COM)
2 DC12V (COM)
3 Outside error input
CN71 1 Check mode input
2 0V
CN72 1 Display mode input
2 0V
CN73 1 Demand input
2 0V
ON during defrost operation of outdoor unit
ON during Real thermo-ON (Comp ON)
ON when operation mode is in cooling system
(COOL, DRY, COOL in AUTO cooling/heating)
ON when operation mode is in heating system
(HEAT, HEAT in AUTO cooling/heating)
ON during indoor fan ON
(Air purifier is used/Interlock cable)
(When continued for 1 minute)
Check code "L30" is output and forced operation stops.
Used for operation check of indoor unit.
(Communication with outdoor unit or remote controller
is not performed, but the specified operation such as
indoor fan "H" or drain pump ON is output.)
Display mode enables indoor unit and remote controller
to communicate. (When power is turned on)
Forced thermo-OFF operation in indoor unit
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Remarks