EN FR
9FCZ_USPAF 1122 - 4696583_00
UNIT INSTALLATION
ELECTRICAL CONNECTIONS
CAUTION: check that the power supply is disconnected
before performing operations on the unit.
CAUTION: wiring connections installation of the fancoil and
relevant accessories should be performed by a technician
who has the necessary technical and professional expertise
to install, modify, extend and maintain plants and who is
able to check the plants for the purposes of safety and cor-
rect operation.
The fancoil should be installed in such a way as to facilitate rou-
tine (filter cleaning) and special maintenance operations, as well
as access to the air breather valve on the side of the unit frame
(connector side).
To install the unit, proceed as follows:
- In the case of floor-mounted units on bases, refer to the instruc-
tions supplied with the accessory.
- Use expansion plugs to secure the unit to the wall or ceiling,
(not supplied) (chapter "drawings - fig.2/fig.3")
To install hanging units with the AMPZ brackets, proceed as fol-
lows:
- fit the 4 brackets (chapter "drawings - fig.4") to the sides of
the unit (a); insert the upper tab in the slot, then secure the lower
part to the contact block by means of the screws supplied;
- secure the flanges to the ceiling by means of expansion plugs
(not supplied); for the positions between the flanges and the
contact block, see the dimensional data.
- Make hydraulic connections (chapter "drawings - fig.6")
Refer to the dimensional data for the position and diameter of
the hydraulic connectors.
Insulate water lines adequately or fit the condensate drainage
tray (available as an accessory) to prevent dripping during cool-
ing applications.
For a correct tightening of the hydraulic fittings during the
installation it is necessary to use 10 teflon turns and a maximum
torque of 14 Nm (chapter "drawings - fig.5")
In case of horizontal installation, fit the condensate discharge
pipe (supplied separately) following the indications shown in
picture 10. The connection between pipe and drip tray must be
sealed with silicone(chapter "drawings - fig.7") .
The condensate drainage system should be of an adequate size
and be positioned to favour runoff (min. 1% slope). If condensate
is discharged into the sewage system, install a siphon to prevent
return of unpleasant odour into the room.
- Make the electrical connections as shown in the wiring dia-
grams.
- Remount the front pannel, connect the ambient sensor (if pre-
sent).
- CAUTION: Keep separate electrical connections from water con-
nections.
Water connections and drain should be on the side opposite of
the electrical connections.
CAUTION: make sure that electrical power to the machine
has been turned off before making electrical connections.
CAUTION: wiring operations and installation of the fancoil
and relative accessories should be performed by specialised
personnel only.
CONNECTION CABLE SPECIFICATIONS
Use H05V-K or N07V-K type with 300/500 V insulation piped or
ducted.
All cables must be piped or ducted until they are not placed
inside the fan coil.
The cables coming out of the pipe/duct must not be subjected
to stretch or twist. They must be protected from weather condi-
tions.
Stranded wires may only be used in connection with termi-
nating sleeves. It must be ensured that all individual wires
are correctly inserted in the sleeve.
All wiring diagrams are constantly updated. Please refer to
the ones supplied with the unit.
To protect fan coils against short circuits, always fit the
power cable to the units with 2A 120V (IG) thermo-magnetic
all-pole switches with a minimum contact gap of 3 mm /
0,118 in .
We recommend using differential devices suitable for inter-
vening for currents of different type:
sinusoidal AC and pulsating DC currents suddenly
applied or slowly rising.
sinusoidal AC with frequency up to 1000 hz.
The assembling place must be chosen so that the max. and min.
room temperature limit is respected 0÷45°C/ 0÷113°F (<85%
U.R.).
The control panel may not be fitted on a metal wall unless this is
permanently connected to a grounded outlet.
The control panels consist simply of electric circuits connected
to the mains voltage of 220V; all the inputs for the sensors and
controls must therefore be correspondingly insulated for this
voltage.
Some control panels are fitted with a room temperature probe
and/or a water temperature probe. In addition, it is possible to
connect an external contact to the internal control board (EX),
allowing the remote control of the fan coil; consult the recapitu-
latory table and the manuals of the individual panels to select
the most suitable model.
The minimum water temperature probe makes it possible to
stop the ventilation automatically if the temperature of the input
water to the coil falls below 39°C - 102,2°F.
In installations with a three-way valve, the minimum water tem-
perature probe must be relocated from its standard mounting in
the coil to the delivery hose upstream of the valve.
When relocating the water temperature probe, the standard
probe must be replaced with an accessory SW3 probe, fitted
with a cable of suitable length.
CAUTION: given that it is powered to 220 VAC, the probe has
double insulation.
Multifunction electronic thermostats are supplied ready to oper-
ate in standard configuration, though can be adjusted to the
specific operating requirements by means of the internal dip-
switches.
Customised functions vary between models; for this reason, con-
sult the relative manuals.
The connections are made by the manufacturer as shown in the
picture (chapter "drawings - fig.7") .
WARNING: check whether the installation has been carried
out correctly. Follow the checking procedures indicated in
the manuals of the control panels.
