Fujitsu ASBH31KMTA Design & Technical Manual page 27

¢ Indoor unit fan operation status
External Input and
Function
Output PCB
setting
Rotary switch
60-10
—
—
Output signal
On
Off
8-5. Details of control output function
C Output of indoor unit
External Input and
2, B, D
Output PCB
External Input and
1
Output PCB
The indoor unit fan is operating.
The fan is stopped or during cold air prevention.
During thermostat off when in dry mode operation.
Fan run
Indoor unit
Fan stop
On
CN47
Off
On
CN311, 312
Off
External output
CN47
CN311
CN312
Condition
- 23 -
Output signal Status
Off → On Fan run
On → Off Fan stop
Off → On Fan run
On → Off Fan stop
Off → On Fan run
On → Off Fan stop
8. External input and output