•
Forced thermostat off function
Rotary SW on External
Input and Output PCB
External input
Input signal
Command
2
B
C
External Input and Output PCB
CN313
Off → On
Thermostat off
On → Off
Normal operation
On
Off
On
Off
Compressor
Room temp.
Set temp.
Input
¢
Control output function
•
Operation/Stop status
Rotary SW on External
Input and Output PCB
External output
Output
signal
Command
1
B
C
D
External Input and Output PCB
CN310
Off → On
Operation
On → Off
Stop
The output is low when the unit is stopped.
Operation
Stop
On
Off
CN310
Indoor unit
•
Error status
Rotary SW on External
Input and Output PCB
External output
Output
signal
Command
1
C
External Input and Output PCB
CN311
Off → On
Error
On → Off
Normal
D
CN312
Off → On
Error
On → Off
Normal
The output is ON when an error is generated for the indoor unit.
Error
Normal
On
Off
CN311―312
Indoor unit
- 27 -
8-4. Details of function
8. External input and output
WALL MOUNTED
ASUH09-12LPAS
WALL MOUNTED
ASUH09-12LPAS