Fujitsu AUUH18LUAS Service Manual page 207

¢ Indoor unit fan operation status
External Input and
Function
Output PCB
setting
Rotary switch
60-10
— 2, 3, 7, 8, B, D
—
Output signal
On
Off
3-5. Details of control output function
External output
— Output of indoor unit
External Input and
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
Ex OUT 2, 3
Off
- (05-25) -
Output signal
Off On
CN47
On Off
Off On
Ex OUT 2
On Off
Off On
Ex OUT 3
On Off
Condition
3. External input and output (for indoor unit)
Status
Fan run
Fan stop
Fan run
Fan stop
Fan run
Fan stop