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MAIN COMPONENTS
1 Air delivery
2 Heat exchange coil
3 Water connections
4 Air vents on the coil
5 Condensate drain
FCXI 40 P
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DESCRIPTION
System types
The fan coils are designed for systems
with 2 and 4 pipes, in the versions:
- 3R and 4R: without valve;
- 3R and 4R: with water valve (VCF);
- 3R: with hot water coil (BV) and 2 val-
ves (VCF).
Ventilation
Variable speed ventilation can be com-
manded either manually or automatical-
ly from the control panel.
HEAT EXCHANGE COIL
Coil with copper pipe and aluminium
fins blocked by means of the mechanical
expansion of the pipes. The collectors
are fitted with female connections and
air vents in the upper part of the coil.
FILTERING SECTION
Filter of G2 filtering class.
Easily removable and made from rege-
nerable materials. May be cleaned by
washing.
FANS
This consists of double suction cen-
trifugal fans with lengthways blades
to obtain a high air flow with a low
number of revs. The fans are connect-
ed directly to the "brushless" electric
motor cushioned with elastic supports.
BRUSHLESS ELECTRIC MOTOR WITH
INVERTER CONTROL
The "brushless electric motor with
IFCXIPLJ 1203 - 5383900_04
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6 Tray
7 Air filter (suction)
8 Fan
9 Electric motor with Inverter device
10 Front closure panel
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Hall sensors" and the control system
used in the AERMEC FCXI fan coils
is a combination of sophisticated
technologies in the field of mechanics
and electronics entirely developed
within the industrial group.
This is a permanent magnet motor
with low starting current and easy
speed adjustment. Not affected by
electromagnetic interference. The
fact that it is brushless allows lower
friction and less wear. With the
special inverter device, it is possible
to control the speed and torque of the
rotor continuously, just by means of
the stator currents.
The electric motor
is cushioned with elastic supports
and the steel shaft is mounted on
bushings
and resistance to salt fog
is tested in accordance with ASTM
B117/64.
The "brushless electric motor
with Hall sensors" used in AERMEC
FCXI modulating fan coils has huge
advantages over conventional AC
motors and hybrid inverter motors
(without Hall sensor) normally used on
other modulating fan coils:
- Reduced wear and tear
- The possibility to regulate the rotation
speed in a precise, continuous manner
(0-100%)
- Higher energy yields
- Longer life and greater reliability
- Low magnetic noise
- Continuous monitoring of the rotor
11 Filter clip
12 Electrical wiring
13 Load-bearing structure
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position implies greater efficiency, and
guaranteed and controlled starting
- Guaranteed minimum speed 90 rpm
(for thermodynamic reasons, this limit
was raised to 200 rpm).
LOAD-BEARING STRUCTURE
Made of galvanised sheet iron of a sui-
table thickness. There are holes on the
back for fixing the device to the wall.
The fan unit is closed at the front with
a metal panel. Every device is equip-
ped with condensate collection trays (for
both vertical and horizontal installation).
CONDENSATE DRAIN
Every device is equipped with condensa-
te collection trays, with a connection for
draining the condensate produced by the
unit in cooling mode.
WATER CONNECTIONS
The connections, located on the left
hand side, are female. The coil may also
be rotated.
Delivery and suction couplings
The FCXI_P fan coils are compatible
with all the accessories already available
for the fan coils of the FCX_P range.
CONTROL PANEL
Use a control panel with thermostat and
ventilation speed control, with 0-10V
outputs. Refer to the manual of the
accessory for installation.
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