AERMEC FCXI 40 U Manuale d'uso e d'installazione - Pagina 8
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DESCRIPTION OF THE UNIT
MACHINE PURPOSE
The fan coil is a room air treatment terminal unit for both winter and summer operation.
AVAILABLE SIZES
The FCXI_AS fan coils are available in:
5 sizes
with 3-row coil
FCXI 20 AS
FCXI 30 AS
FCXI 40 AS
FCXI 50 AS
FCXI 80 AS
FCXI_AS
: without control panel and with Inverter motor, 3-row
heat exchanger, high cabinet for vertical installation, varnished
with anti-corrosion polyester powder (colour RAL 9002). The
delivery grille and the feet for floor-standing solutions (ZX ac-
cessory) are made of plastic of the colour RAL 7044. Requires
external control panel (accessory).
TECHNICAL DATA AND OPERATING LIMITS
Maximum water inlet temperature
Maximum operating pressure
Room temperature limits Ta
Relative humidity limits in the room R.H.
Minimum flow rate
Maximum flow rate
Power supply
Performance values refer to the following
conditions:
- at the maximum motor speed;
Water temperature
In order to prevent air stratification in the
room, and therefore to achieve improved
mixing, it is advisable not to supply the fan
coil with water at a temperature over 65°C.
Minimum average water temperature
If the fan coil is working in continuous
cooling mode in an environment
where the relative humidity is high,
condensate might form on the air
delivery and on the outside of the
device. This condensate might be
deposited on any objects underneath
and on the floor.
MINIMUM AVERAGE WATER TEMPERATURE
Temperature of the air in the room
with wet bulb °C
The FCXI_U fan coils are available in:
5 sizes
with 3-row coil
FCXI_U
20
30
8 bar
0°C < Ta < 40°C
R.H. < 85%
[l/h]
100
100
[l/h]
750
750
- the total input power is determined by
adding the input power for the unit to
the input power for the accessories con-
The use of water at high temperatures
could cause squeaking due to the
different thermal expansions of the
elements (plastic and metal), this
does not however cause damage to
To avoid condensate on the external
structure of the device while the fan is
functioning, the average temperature
of the water must not be lower than
the limits shown in the table below,
that depend on the thermo-hygrometric
conditions of the air in the room.
The limits mentioned above refer to
operation while the fan is set
to its minimum speed level.
Temperature of the air in the room with dry bulb °C
21
23
15
3
3
17
3
3
19
3
3
21
6
5
23
-
8
FCXI 20 U
FCXI 30 U
FCXI 40 U
FCXI 50 U
FCXI 80 U
: without control panel and with Inverter motor, 3-row
heat exchanger, universal cabinet for vertical fl oor-standing in-
stallation or wall-mounting, varnished with anti-corrosion pol-
yester powder, colour RAL 9002. The air delivery and suction
grilles are made using plastic material in colour RAL 7044.
Requires external control panel (accessory).
FCXI 20U ÷ 54U
40
80°C
150
1100
230 V ( ±10% ) ~ 50 Hz
nected and declared in the correspond-
ing manuals.
the unit if the maximum operating
temperature is not exceeded.
In the event of prolonged fan inactivity
and with cold water passing through
the coil, condensate may form on the
external case of the unit. As a result,
we recommend including the 3-way
valve accessory.
25
27
3
3
3
3
3
3
4
3
7
6
IFCXIUASLJ 1003 - 5383600_01
FCXI 80U ÷ 84U
50
80
150
300
1150
2200
29
31
3
3
3
3
3
3
3
3
5
5
15