Fujitsu B24LDC, Service Instruction

Page: 27 / 91

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. 24 C
SETTING LOUVER Standard
SWING OFF
When the outdoor heat exchanger temperature is lower than temperature 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 temperature or greater,
preheating is ended.
AS*B24LDC
AS*B24LDC
980rpm
27Hz
(Table 12)
(No timer setting available)
16. COMPRESSOR PREHEATING
(Table 13 : Preheating Operation / Release Temperature)
Temperature Temperature
5 C
17. COIL DRY AND CLEAN OPERATION CONTROL
The coil-dry and clean operation functions by pressing COIL DRY button on the remote controller.
The coil-dry operation is consisted of 3 cycles of [Fan operation 3 minutes / Heating operation
2 minutes], and Fan operates for 3 minutes at last before ending the air conditioner operation.
(It takes 18 minutes to complete the coil-dry operation.)
It continues from coil-dry operation, it turns on electricity to Air clean unit, sterilization is
performed for 15 minutes.
Indoor unit fan motor operation under coil-clean operation : The cycle of 480rpm Fixation
5 sec ON / 1 min OFF is repeated.
(It takes 33 minutes to complete the air cleaning operation.)
(Table 12 : COIL-DRY AND CLEAN Operation Functions)
Indoor Fan Speed Compressor
Frequency
Louver Position Main Unit
Indication
Operating indication : ON
Other indication : OFF
05-14
Vertical Horizontal
3
7 C
coil-dry coil-clean
270rpm