8 | Operation
Installer and user reference guide
31
FDA125A5VEB
Split system air conditioners
4P495031-1B – 2022.10
▪ The air flow rate may adjust itself depending on the room temperature or the fan
may stop immediately. This is not a malfunction.
▪ If the main power supply is turned off during operation, operation will restart
automatically after the power turns back on again.
▪ Setpoint. Target temperature for the Cooling, Heating, and Auto operation
modes.
▪ Setback. A function that keeps the room temperature in a specific range when
the system is turned off (by the user, the schedule function, or the OFF timer).
8.2.1 Basic operation modes
The indoor unit can operate in various operation modes.
Icon Operation mode
Cooling. In this mode, cooling will be activated as required by the
setpoint, or by Setback operation.
Heating. In this mode, heating will be activated as required by
the setpoint, or by Setback operation.
Fan only. In this mode, air circulates without heating or cooling.
Auto. In Auto mode, the indoor unit automatically switches
between heating and cooling mode, as required by the setpoint.
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:
8.3 To operate the system
INFORMATION
For setting of the operation mode or other settings, see the reference guide or
operation manual of the user interface.
To Next Page
Loading...
