Fujitsu ARXG22KMLB Design & Technical Manual page 195

 Control output function
• Operation/Stop status
Mode Function setting
0
0
The output is low when the unit is stopped.
• Error status
Mode Function setting
9
0
The output is ON when an error is generated for the indoor unit.
11-5. Floor type
60-00
Output of indoor unit
60-00
Operation
Indoor unit
Stop
High
CN15
Low
On
CN20
Off
60-09
Output of indoor unit
60-00
Error
Indoor unit
Normal
High
CN15
Low
On
CN21
Off
- 187 -
External output
CN15
CN20
External output
CN15
CN21
Output
Command
signal
Low → High Operation
High → Low Stop
Off → On Operation
On → Off Stop
Output
Command
signal
Low → High Error
High → Low Normal
Off → On Error
On → Off Normal
11. External input and output