5 User interface
Installation and operation manual
8
FXSN50~112A2VEB
CO
₂
Conveni-Pack: indoor unit
4P602815-1C – 2020.05
a
b
b
c
a
Outdoor unit
b
Indoor unit
c
User interface
CAUTION
Do NOT insert fingers, rods or other objects into the air
inlet or outlet. When the fan is rotating at high speed, it will
cause injury.
5
User interface
CAUTION
▪ NEVER touch the internal parts of the controller.
▪ Do NOT remove the front panel. Some parts inside are
dangerous to touch and appliance problems may
happen. For checking and adjusting the internal parts,
contact your dealer.
This operation manual offers a non-exhaustive overview of the main
functions of the system.
For more information about the user interface, see the operation
manual of the installed user interface.
6
Operation
6.1
Operation range
Use the system in the following temperature and humidity ranges for
safe and effective operation.
Cooling and drying
Heating
Outdoor unit
–5~43°C DB
–20~16°C WB
Indoor unit
14~24°C WB
15~27°C DB
Indoor humidity
≤80%
(a)
—
(a)
To avoid condensation and water dripping out of the unit. If the
temperature or the humidity is beyond these conditions, safety
devices may be put in action and the air conditioner may not
operate.
6.2
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).
6.2.1
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.
Dry.
In this mode, the air humidity will be lowered with
a minimal temperature decrease.
The temperature and fan speed are controlled
automatically and cannot be controlled by the
controller.
Dry operation will not function if the room temperature
is too low.
Auto.
In Auto mode, the indoor unit automatically
switches between heating and cooling mode, as
required by the setpoint.
6.2.2
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:
In order to protect the system, cold air may come
from the indoor unit when the defrost operation
starts on the outdoor unit side.
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:
6.3
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.
