Fujitsu General AOHG07KMCC, Service Manual

Page: 126 / 155

7-6. 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 Maximum
Fan mode POWERFUL
Vertical airflow direction
louver setting
Cooling
3
Dry
Heating
6
Release condition:
• Cooling/Dry
Room temperature ≤ Setting temperature -0.5°C or Operation time has passed 20 minutes.
• Heating
Room temperature ≥ Setting tempe0.5°C or Operation time has passed 20 minutes.
7-7. Fresh air control
The fan motor for Fresh Air is operated in synchronization with the indoor fan operation as below.
Operation
Stop
Operation
Stop
Fan motor
(Indoor unit)
Fan motor
(for Fresh Air)
7-8. 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)
-4°C
Off
On
Tn
Tn
-2°C
When the jumper wire (JM2) is disconnected:
5°C
Off
On
Tn
Tn
7°C
7-6. POWERFUL operation
- (04-28) -
7. Various control
CONTROL AND FUNCTIONS CONTROL AND FUNCTIONS