Publicité
Les langues disponibles
Les langues disponibles
choice of the installer. Slope towards the chosen side, then close the un-
used side with the cap and place the pipette on the side of the chosen
drain.
Before switching the unit on, check that it is installed in such a way as
to guarantee the required inclination for proper condensate drainage.
B
WARNING: Do not use thick pipes or pipes whose characteristics
(i.e. corrugated conduits) may impede the condensate flow.
WARNING: tighten the hydraulic connections making sure to block
B
the manifold with the appropriate wrench to prevent damage to the
heat exchanger.
WARNING: The openable side doors must be fixed with screw, due
B
to lack of controls onboard the fan coil.
B
WARNING: For fan coils equipped with auxiliary electric heating el-
ement, ensure that any combustible material is at least 30 cm away
from the electric heating element.
B
WARNING:
In normal operation, particularly with the fan at minimum speed
and ambient air with high relative humidity, condensation may form
on the air outlet and on some external parts of the unit.
To avoid such issues while always remaining within the operating
limits envisaged for the unit, it is necessary to limit the inlet tem-
perature of the water inside the heat exchanger. In particular, the
difference between the air dew point (T
temperature (T
) must NOT exceed 14 °C, according to the follow-
W
ing relationship: TW>TA,DP-14 °C
Example: in the case of ambient air at 25 ° C with 75% relative hu-
midity, the dew point temperature is about 20 ° C and therefore the
inlet temperature of the water in the battery must be greater then:
Ū 20-14 = 6 °C in order to avoid condensation on a fancoil equipped
with a valve.
Ū 20-12 = 8 °C If the valve kit accessory can not be installed.
21
40
5
50
5
Relative Humidity
60
5
%
70
5
80
5
90
6
21
40
6
50
6
Relative Humidity
60
6
%
70
6
80
6
90
8
In the event the indoor unit is stopped for a prolonged period, with the
fan stopped and circulation of cold water in the heat exchanger, conden-
sation may also form on the unit's exterior. In this case it is advisable to
install the 3-way (or 2-way) valve accessory in order to stop the flow of
water in the coil when the fan is stopped.
During wintertime periods of quiescence, drain water from the system,
to prevent ice from forming. If anti-freeze solutions are used, check for
their freezing point using the table below.
Freezing
% Glycol by weight
temperature (°C)
0
10
20
30
40
18
FWZ / FWR / FWS
,D
) and the inlet water
A
P
Fan coil with valve
Air temperature dry bulb (°C)
23
25
27
29
5
5
5
5
5
5
5
5
5
5
5
7
5
6
8
9
6
8
10
12
8
10
12
14
Fan coil without valve
Air temperature dry bulb (°C)
23
25
27
29
6
6
6
6
6
6
6
6
6
6
7
9
6
8
10
11
8
10
12
12
10
12
14
14
Capacity
Pressure drop
adjustment
adjustment
0
1,00
-4
0,97
-10
0,92
-16
0,87
-24
0,82
Electrical connections
Make the electrical connections with the power supply disconnect-
ed, in accordance with current safety regulations, and following the
base wiring diagram from p. 70 and pertinent legend p. 18.
NOTE: the electrical wiring must always be positioned on the oppo-
site side of the plumbing connections.
Check that the mains electricity supply is compatible with the voltage
shown on the unit rating plate.
The electrical connections indicated must be made by the installer.
For each fan coil a switch (IL) should be mounted on the power supply,
with opening contacts at a distance of at least 3 mm and a suitable pro-
tection fuse (F).
Characteristic of inverter control
The requested curve set point can be carried out at the factory (and
amended on site if necessary) by setting the dip switches, as in the dia-
gram below:
31
33
5
5
6
8
9
11
N°
Maxiumum speed
11
13
1
1550 rpm
14
16
2
1450 rpm
16
18
3
1350 rpm
4
1250 rpm
5
1150 rpm
6
1050 rpm
31
33
7
950 rpm
6
6
8
850 rpm
8
10
11
13
13
15
16
18
18
20
Note: the maximum speed (1550 rpm) isn't usually used.
1,00
General wiring diagrams legend
1,05
Ū IL: Circuit breaker (not supplied)
1,10
Ū F: Safety fuse (non supplied)
Ū CN: Fast on/screw terminal board
1,15
Ū MVI: Fan motor + built-in inverter
1,20
Ū EMC FILTER: EMI/RFI noise filter
DIP 1
DIP 2
DIP 3
OFF
OFF
OFF
ON
OFF
OFF
OFF
ON
OFF
ON
ON
OFF
OFF
OFF
ON
ON
OFF
ON
OFF
ON
ON
ON
ON
ON
DIP 4
-
-
-
-
-
-
-
-
Publicité
