ARIA EC-AGU-0909-E Page 3
Main components
Fan motor
The ARIA EC unit is equipped with a centrifugal forward curved single scroll fan with
double inlet. The fan (s) will respectively produce a nominal airflow at 40 Pa static
pressure from 400 m
3
/h (size 10) to 900 m
3
/h (size 40).
The electronically commutated (EC) motor is supplied by 230-1-50 current and 0-10V
control command for rotation speed variation from 0 to 100%.
Water coil
The right position of the coil provides a maximum heat exchanger surface for a minimum of space, thus giving to
ARIA EC range a very interesting ration height/performance.
Available for 2 pipe or 4 pipe applications, the finned block is common offering an increased heat exchanger surface
area.
The aluminium fins are mechanically bonded to 3/8‘’ diameter copper tubes. The inlet and outlet connections are
each provided with a 1/2‘’ G internal diameter threaded nut to facilitate the connection of the flat seal valve
connection. The purge screws are accessible from the outside and opened with a tool.
Following configurations avec available:
• 2 pipes/Change over and 2 pipes/electric heater or
• 4 pipes
2 T 4 T
Size 10
2 R or 3 R
2 R + 1
3 R + 1
Size 20 – 30 – 40
4 R 4 R + 1
Condensate drain tray
The condensate drain tray in aluminium is cast solid and common to the coil
and the valves outside the unit, thus avoiding any risk of possible escapes.
The external part is isolated on its lower part with foam PE thickness 3 mm,
to prevent of any risk of condensation. The tube of evacuation of external
diameter 16 mm makes it possible either to connect piping directly or to
connect a pump with condensate available in option.
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