Manual Auto Operation (Indoor Unit Body Operation); Compressor Preheating; Coil Dry Opeartion Control - Fujitsu AS*A09LKC Service Instructions Manual

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.
(Table 12)
OPERATION MODE
FAN CONT. MODE
TIMER MODE
SETTING TEMP.
SETTING LOUVER
SWING
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.

17. COMPRESSOR PREHEATING

When the outdoor heat exchanger temperature is lower than 5°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 7°C or greater,
preheating is ended.
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)
AS*A09LKC
AS*A12LKC
Manual auto operation
Auto changeover
Auto
(No timer setting available)
Continuous
24°C
Standard
OFF
Indoor Fan Speed
780rpm
780rpm
Forced cooling operation
Cooling
Hi
-
Room Temp is not controlled
Horizontal
OFF
Compressor Louver
Position
Frequency
43Hz
39Hz
01-13