Fujitsu ARXG45KMLA Service Instruction

¢ Heating operation
Switch the airflow AUTO, and the indoor fan motor will run according to a room temperature, as be-
low.
On the other hand, if switched in HIGH—QUIET, the indoor motor will run at a constant airflow of
HEAT operation modes QUIET, LOW, MED, HIGH as shown in “Fan speed” above.
Airflow change over (Heating: Auto)
When the room
temperature rises
When the room
temperature drops
LOW mode
MED mode
HIGH mode
Tr - Ts ≥ -1°C
-2°C > Tr - Ts
Tr - Ts ≥ -1.5°C
-1.5°C > Tr - Ts ≥ -2.5°C
-2.5°C > Tr - Ts
-1°C > Tr - Ts ≥ -2°C
¢ Cool air prevention control (heating mode)
The maximum value of the indoor fan speed is set as shown below, based on the detected tempera-
ture by the indoor heat exchanger sensor on heating mode.
• Normal operation
Indoor heat exchanger
temperature rises
S-LOW
Indoor heat exchanger
temperature drops
37°C
29°C
32°C
24°C
Setting fan mode
LOW
or setting fan mode*
*: Lower speed is selected.
13 minutes later:
Indoor heat exchanger
temperature rises
Indoor heat exchanger
temperature drops
37°C
29°C
32°C
24°C
Setting fan mode
LOW
or setting fan mode*
*: Lower speed is selected.
LOW
or setting fan mode*
• 10 °C HEAT operation
Indoor heat exchanger
temperature rises
Indoor heat exchanger
temperature drops
37°C
32°C
LOW
AUTO
3-1. Indoor fan control
- (01-12) - 3. Fan control
CONTROL AND FUNCTIONS CONTROL AND FUNCTIONS

Fujitsu ARXG45KMLA Specifications

General

Brand	Fujitsu
Model	ARXG45KMLA
Category	Air Conditioner
Language	English