Powerful Operation; Fresh Air Control; Compressor Preheating - Fujitsu AO G18KATA Series Service Instruction

7-4. POWERFUL operation

The POWERFUL operation starts by pressing POWERFUL button on the remote controller.
The indoor unit and outdoor unit operate at maximum power as shown in the table below.
Compressor frequency
Fan mode
Vertical airflow direction
louver setting
Release condition:
• Cooling/Dry
Room temperature ≤ Setting temperature -0.5°C or Operation time has passed 20 minutes.
• Heating
Room temperature ≥ Setting temperature +0.5°C or Operation time has passed 20 minutes.

7-5. Fresh air control

The fan motor for Fresh Air is operated in synchronization with the indoor fan operation as below.

7-6. Compressor preheating

By preheating the compressor, warm airflow is quickly discharged when the operation is started.
• Triggering condition
– 30 minutes after compressor stopped.
– Outdoor unit heat exchanger temperature (Tn)
When the jumper wire (JM2) is disconnected:
7-4. POWERFUL operation
Cooling
Dry
Heating
Operation
Fan motor
(Indoor unit)
Stop
Operation
Fan motor
(for Fresh Air)
Stop
Tn
-2°C
Tn
5°C
Tn
Off
-4°C
On
Tn
Off
7°C
On
- (04-24) -
Maximum
POWERFUL
3
5
7. Various control