Toshiba RAV-SP1100UT-E Service Manual page 37

7-4. Indoor P.C. Board Optional Connector Specifications
Connector
Function
No.
Option output CN60
Outside error CN80
input
Filter option CN70
error
CHK
CN71
Operation check
DISP display
CN72
mode
CN73
EXCT demand
Pin
Specifications
No.
1 DC12V (COM)
2 Defrost output
3 Thermo. ON output
4 Cooling output
5 Heating output
6 Fan output
1 DC12V (COM)
2 DC12V (COM)
3 Outside error input
1 Filter/Option/Humidifier
setup input
2 0V
1 Check mode input
2 0V
1 Display mode input
2 0V
1 Demand input
2 0V
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Remarks
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.
Option error input is controlled. (Protective operation
for device attached to outside is displayed.)
* Setting of option error input is performed from
remote controller. (DN=2A)
Used for operation check of indoor unit. (Communica-
tion 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 control-
ler to communicate. (When power is turned on)
Forced thermo-OFF operation in indoor unit