Fujitsu AB Series A18LATN User Manual

4. HEATING OPERATION
Switch the airflow [AUTO], and the indoor fan motor will run according to a room temperature,
as shown in Figure 7.
On the other hand, if switched in [HIGH] [QU], the indoor motor will run at a constant airflow
of [HEAT] operation modes QU, LOW, MED, HIGH, as shown in Table 5.
5. COOL AIR PREVENTION CONTROL (Heating mode)
6. DRY OPERATION
Refer to the Figure 4.
During the dry mode operation, the fan speed setting can not be changed.
05-06
42°C
30°C
34°C
Indoor heat exchanger
temperature
Indoor heat exchanger
temperature
When the compressor operates, the maximum value of the indoor fan speed is set as shown in Figure 8,
based on the detected temperature by the indoor heat exchanger sensor on heating mode.
When the compressor does not operate, the indoor fan motor operates [S-Lo] mode.
( Fig.7 : Airflow change - over ( Heating : AUTO ) )
( Fig.8 : Cool Air Prevention Control )
< [Hi] setting >
Hi
Me+
Lo
Cool air
prevention
39°C
37°C
37°C
32°C
24°C
39°C
32°C
Indoor heat exchanger
temperature
Indoor heat exchanger
temperature
< The other of [Hi] setting >
S-Lo
Lo (Qu)
Cool air
prevention
37°C
30°C
34°C
24°C
Setting
FAN mode
S-Lo
[ AB*A18/24LATN : Cool air prevention 500rpm, S-Lo 300rpm ]
[ AB*A36/45LATN : Cool air prevention 500rpm, S-Lo 250rpm ]
TR-Ts > - 1.5 degC
=
- 2.5 degC > TR-Ts
- 1.5 degC > TR-Ts > - 2.5 degC
=
TR-Ts > - 1 degC
=
- 2 degC > TR-Ts
- 1 degC > TR-Ts > - 2 degC
=
When the room
temperature rises
When the room
temperature drops
TR : Room temperature
Ts : Setting temperature
LOW mode
MED mode
HIGH mode

Fujitsu AB Series A18LATN Specifications

General

Brand	Fujitsu
Model	AB Series A18LATN
Category	Air Conditioner
Language	English