Fujitsu ARYG72LHTA Service Instruction page 89

Automatic airfloe adjustment
NOTE
Be sure to conduct this setting before any other operation. If the motor is warm or the
heat exchanger is wet, false and detection may lead to incorrect adjustments.
Check if the electrical wirings and duct installations are complete.
If there is a damper installed in the system, make sure the damper is open.
Check if the air filter(optional) is attached.
If there are several inlet, outlet ports, make sure the airflow rates of each port match the
designed airflow rate by adjusting the throttles.
Automatic airflow adjustment is possible by the following procedures.
1) Change Function 26 to "Automatic airflow adjustment (32)".
2) Run the air conditioner on Fan mode (High).
* For instructions on how to operate the air conditioner, refer to the operation manual
of the remote controller.
Automatic During airflow ajustment, the mode will be fixed at Fan mode(High).
When this function is active, do not operate the Outdoor unit.
3) The air conditioner will run for about 1 to 8 min. then stop automatically.
* Do not change the throttles of the inlet and outlet ports during operation.
When used in a Group control system, the setting will take about 10 min.
4) Turn the air conditioner off and on again.
5) Check the setting value of Function 26 and take note of the setting value in the
following chart.
* If the setting value has not changed, repeat the procedure from step 1.
Setting the Room temperature control for indoor unit sensor
Depending on the installed environment, correction of the room temperature sensor may be required.
Select the appropriate control setting according to the installed environment.
The temperature correction values show the difference from the Standard setting "00"
(manufacturer's recommended value).
Setting Description
Standard setting
No correcion 00°C
More
Cooling
Less
Heating
Less
Cooling
More
Heating
Function Number
-0.5°C
-1.0°C
-1.5°C
-2.0°C
-2.5°C
-3.0°C
30
-3.5°C
(For
-4.0°C
cooling)
+0.5°C
+1.0°C
+1.5°C
+2.0°C
+2.5°C
+3.0°C
+3.5°C
+4.0°C
03-02
( Factory setting)
Setting Value
00
01
02
03
04
05
06
07
31
08
(For
09
heating)
10
11
12
13
14
15
16
17