8
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Operation
Installer and user reference guide
27
FXDA10~63A2VEB
VRV system air conditioner
4P599621-1A – 2020.10
8 Operation
8.1 Operation range
INFORMATION
For the operation limits see the technical data of the connected outdoor unit.
8.2 About operation modes
INFORMATION
Depending on the installed system, some operation modes will not be available.
▪
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.
