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5880751_01
INFORMATION REGARDING INSTALLATION
ATTENTION: make sure that the
power supply has been disconnected
before carrying out any operations.
ATTENTION: before carrying out
any operations, put on appropriate
personal protective equipment.
ATTENTION: The unit must be
installed in compliance with national
regulations.
AT T E N T I O N : t h e e l e c t r i c
connections, installation of the fan
coils and their accessories must only
be performed by technicians who
have the technical-professional
r e q u i s i t e s f o r i n s t a l l a t i o n ,
transformation, extension and
maintenance of the systems and who
can verify these functions in terms of
safety and functionality.
ATTENTION: Install a device, master
switch or electric plug that allows the
unit’s power supply to be completely
disconnected.
ATTENTION: Refer to all the
documentation before starting the
installation.
Follow the indications below to install the
equipment correctly.
The completion of all operations,
according to specific requirements, is left
to the experience of the installer.
The water, condensate drainage and
electrical circuit ducts must be provided
for.
The fan coil must be installed in a position
that allows the air to be distributed
throughout the room and there are no
obstacles (curtains or objects) along the
passage of the air from the flow vents.
The fan coil must be installed in a position
that facilitates routine maintenance
(cleaning of the filter) and special
maintenance,
as well as access to
the air relief valve on the frame side
(connections side).
Do not install the unit in rooms where
flammable gases or acid or alkaline
substances are present that can
permanently damage the copper-
aluminium heat exchangers or internal
plastic components.
• Do not install the unit in workshops
or kitchens, where oil vapours mixed
with the treated air can deposit on the
heat exchanger coils, reducing their
performance, or on the internal parts
of the unit, thus damaging the plastic
components.
The VES_I unit is set up for connections
with air ducts.
VES_I fan coils are equipped with 5-speed
motors; it is possible to select the
3 operating speeds by modifying the
connections in the electric box of the
motor. The fan coils are provided with
standard speed connections. Refer to
the wiring diagram before changing the
motor connections.
• If the valve is installed, the water
minimum temperature probe can be
installed in two positions:
- in its seat in the coil;
- on the flow pipe upstream of the valve.
Refer to the thermostat manual before
choosing the position of the water
minimum temperature probe, according
to the preferred controlled logic. The
internal dip-switch settings of the
thermostat may need changing.
ATTENTION:
After completing the
installation check the operation of the
condensate drain system, the seal of the
hydraulic fittings, the insulation of ducts
and pipelines. Then run an operating
test.
DANGER!
Only qualified maintenance
personnel can access it.
Proceed as follows to install the unit:
- For wall installation, keep a minimum
distance of 160 mm from the floor.
- For ducted installation connect the
channels to the unit. Refer to the
drawing containing dimensional data.
The flow is provided with fitting flange.
- For wall or ceiling installation, use
expansion plugs (not supplied), make
sure that the unit is installed horizontally.
- For ceiling installation, use four M8
threaded rods to support the frame.
Fasten the unit to 4 threaded bars
using 8 nuts, 4 of which must be self-
locking. Use the nuts to adjust the height
and make sure the unit is installed
horizontally.
- ATTENTION: The fan coil must be
installed perfectly horizontal, otherwise
proper condensate water drainage
cannot be guaranteed.
- Make the hydraulic connections as
described in the relative chapter.
- Make the connection of the condensate
drain as indicated in the relative
chapter. The fan coils, which will run
only in heating mode, do not require
condensate drain.
- Make the electrical connections as
indicated in the relative chapter and as
indicated in the electrical diagrams.
- Connect and install the accessories.
- Power up the fan coil and check the
operation of the components and of all
the functions.
INSTALLING THE UNIT
160
mm
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