System Layout; User Interface; Operation; Operation Range - Daikin FXFN50A2VEB Installation And Operation Manual

5 User interface

4.1

System layout

INFORMATION
The following illustration is an example and might NOT
match your system layout.
b a
f f h
g
j
i
k
l
m
a Main outdoor unit (LRYEN10*)
b Capacity up unit (LRNUN5*)
c Communication box (BRR9B1V1)
d BEV2 unit
e Indoor unit for air conditioning
f Indoor unit for refrigeration (showcase)
g Indoor unit for refrigeration (blower coil)
h Safety valve
i CO control panel
2
j CO detector
2
k CO alarm
2
l CO ventilator
2
m Shut-off valve
INFORMATION
▪ Maximum installation distance between the indoor unit
and the BEV2 unit depends on the length of attached
transmission and power supply cables.
▪ Make sure to install the units so the cables reach both
units terminals.
▪ Maximum installation height difference between the
indoor unit and the BEV2 unit is ≤0.5 m.
Installation and operation manual
8
5
d c
e
j
i
This operation manual offers a non-exhaustive overview of the main
k
functions of the system.
For more information about the user interface, see the operation
manual of the installed user interface.
l
6
m
6.1
Use the system in the following temperature and humidity ranges for
safe and effective operation.
Outdoor unit
Indoor unit
Indoor humidity
6.2
▪ The air flow rate may adjust itself depending on the room
▪ If the main power supply is turned off during operation, operation
▪ Setpoint. Target temperature for the Cooling, Heating, and Auto
▪ Setback. A function that keeps the room temperature in a specific
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.
NOTICE
Do NOT wipe the controller operation panel with benzine,
thinner, chemical dust cloth, etc. The panel may get
discoloured or the coating peeled off. If it is heavily dirty,
soak a cloth in water-diluted neutral detergent, squeeze it
well and wipe the panel clean. Wipe it with another dry
cloth.
NOTICE
NEVER press the button of the user interface with a hard,
pointed object. The user interface may be damaged.
NOTICE
NEVER pull or twist the electric wire of the user interface. It
may cause the unit to malfunction.

Operation

Operation range

Cooling and drying
–5~43°C DB
14~24°C WB
≤80%
(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.

About operation modes

INFORMATION
Depending on the installed system, some operation modes
will not be available.
temperature or the fan may stop immediately. This is not a
malfunction.
will restart automatically after the power turns back on again.
operation modes.
range when the system is turned off (by the user, the schedule
function, or the OFF timer).
Heating
–20~16°C WB
15~27°C DB
(a)
—
FXFN50~112A2VEB
CO₂ Conveni-Pack: indoor unit
3P672850-1A – 2021.07