8 | Operation
Installer and user reference guide
31
FAA71+100BUV1B
Split system air conditioner
4P654517-1 – 2021.03
8.2.2 Special heating operation modes
Operation Description
Defrost To prevent a loss of heating capacity
due to frost accumulation in the
outdoor unit, the system will
automatically switch to defrost
operation.
During defrost operation, the indoor
unit fan will stop operation, and the
following icon will appear on the home
screen:
The system will resume normal
operation after approximately 6 to 8
minutes.
Hot start During hot start, the indoor unit fan will
stop operation, and the following icon
will appear on the home screen:
8.2.3 Airflow direction
When. Adjust the airflow direction as desired.
What. The system directs the airflow differently, depending on the user selection.
CAUTION
▪ ALWAYS use a user interface to adjust the angle of the flap. When the flap is
swinging and you move it forcibly by hand, the mechanism will break.
▪ Be careful when adjusting the louvers. Inside the air outlet, a fan is rotating at
high speed.
1 Vertical airflow
The following vertical airflow directions can be set by the user interface:
Direction Screen
Fixed position. The indoor unit blows
air in 1 of 5 fixed positions.
Swing. The indoor unit alternates
between the 5 positions.
Note: Recommended position of the horizontal blades (flaps) varies according to
the operation mode.
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