Fujitsu AOUH12LPAS1 - Page 32

• Indoor unit fan operation status
Rotary SW on External
Input and Output PCB
External output
Output
signal
Command
1
External Input and Output PCB
CN312
Off → On Fan run
On → Off Fan stop
2
B
D
CN311
Off → On Fan run
On → Off Fan stop
Output signal Condition
On
The indoor unit fan is operating.
Low → High
Off The fan is stopped or during cold air prevention.
High → Low During thermostat off when in dry mode operation.
Fan run
Fan stop
On
Off
CN311―312
Indoor unit
•
External heater output
Rotary SW on External
Input and Output PCB
External output
Output
signal
Command
2
B
C
External Input and Output PCB CN312
Off → On Heater on
On → Off Heater off
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8-4. Details of function 8. External input and output
WALL MOUNTED ASUH09-12LPAS WALL MOUNTED ASUH09-12LPAS