Fujitsu Inverter Halcyon AOU12RL, Service Instruction

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15. MANUAL AUTO OPERATION (Indoor unit body operation)
If MANUAL AUTO Button is set, the operation is controlled as shown in Table 12.
If the remote control is lost or battery power dissipated, this function will work without the remote control.
OPERATION MODE Auto changeover
FAN CONT. MODE Auto
TIMER MODE Continuous
SETTING TEMP. 75 °F( 24 ° C)
SETTING LOUVER Standard
SWING OFF
When the outdoor heat exchanger temperature is lower than 54°F(12°C) and the heating operation
has been stopped for 30 minutes, power is applied to the compressor and the compressor is heated.
(By heating the compressor, warm air is quickly discharged when operation is started.)
When operation was started, and when the outdoor temperature rises to 57 °F(14°C) or greater,
preheating is ended.
ASU9RL
ASU12RL
780rpm 43Hz
780rpm 39Hz
(Table 12)
(No timer setting available)
17. COMPRESSOR PREHEATING
18. COIL DRY OPERATION CONTROL
The coil-dry operation functions by pressing COIL DRY button on the remote controller.
The coil-dry operation is consisted of Fan operation 50 minutes, Heating operation 3 minutes,
and Fan operates for 30 minutes at last before ending the air conditioner operation.
(Table 13 : COIL-DRY Operating Functions)
Indoor Fan Speed
Compressor
Frequency Louver
Position Main Unit
Indication
COIL-DRY : ON
Other indication : OFF
05-13
Forced cooling operation
Cooling
16. FORCED COOLING OPERATION
Forced cooling operation is started when pressing MANUAL AUTO button for 10 seconds or more.
During the forced cooling operation, it operates regardless of room temperature sensor.
Operation LED and timer LED blink during the forced cooling operation. They blink for 1 second ON
and 1 second OFF on both operation LED and timer LED (same as test operation).
Forced cooling operation is released after 60 minutes of starting operation.
The FORCED COOLING OPERATION will start as shown in Table12.
Hi
Horizontal
OFF
Room Temp is not controlled
Manual auto operation
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