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2.6 - SELECTION OF POSITION FOR OUTSIDE UNIT
To obtain the best operating performance and prevent faults or hazardous conditions, the position of outdoor
unit installation must meet the following requirements:
a. It should be protected from direct sunlight (fig. 11).
b. It should be protected from atmospheric agents (rain, snow) and from direct gusts of strong wind (fig. 11).
c. It should also be protected from any copious downflow of water (gutter drains or watering cans)
(fig. 12).
d. It should stand on a solid surface able to withstand its weight (fig. 12).
e. The outside unit must be installed perfectly level (check with a bubble level).
Note:
If the outdoor unit must be installed on the wall or roof, it is necessary to use the relevant kit (optional)
For assembly, follow the relative instructions, attached to the kit packaging, scrupulously.
f. The unit must not be in a position that obstructs the passage of persons or animals.
g. The unit should not be installed downwind of chimneys discharging burnt gas or subject to emissions of
fumes, oily or corrosive gasses.
h. It should be possible to discharge the condensation produced.
i. Take the air conditioner weight into account and select a place where noise and vibration will not be an
issue.
l. Select a place so that the warm air and noise from the air conditioner do not disturb neighbors.
m. Zones with probable accumulation of snow (figure 13).
Position the outdoor unit on a raised surface (wall), with height above the foreseeable maximum amount
of snowfall, since:
• if the appliance does not have a heat pump, when the snow melts, water may infiltrate inside the unit
and cause damage to the electric components.
• if the appliance has a heat pump, the accumulation of snow prevents the regular circulation of the air
and makes condensate drainage difficult.
n. Positioning the unit on a floor area (terrace, land, roof, etc.) in areas that are difficult to access.
The support base must have good drainage of the water and prevent the possible accumulation of dirt
under the unit, (e.g. dry leaves - figure 13).
In this case, make a raised area of 10÷15 cm onto which the unit can be fixed using foundation studs.
No interventions are required when positioned on a balcony, since there is already enough slope for the
regular run-off of the water and sufficient protection from the accumulation of dirt.
o. Positioning the unit on a rigid metal base (brackets, metal profile supports, etc.).
In this case, the unit must always be fastened to the support base via vibration dampers (figure 14) with
dimensions and capacity suitable for the weight of the machine (on request).
Furthermore, the base must have appropriate rigidity to prevent the amplification of vibrations due to
regular operation.
p. Make sure that there is the minimum space around the outdoor unit necessary to guarantee correct
operation and the cleaning and maintenance interventions, as indicated in figure X3.
2.6.1 - Heat pump appliances.
• During operation in heating mode, condensate is produced in the outdoor unit due to defrosting, which
must be able to run-off freely to prevent stagnation.
• When positioned on a flat surface, a draining channel must be created around the unit that goes directly
into the rainwater collection well of the water network (figure 15).
• In the case of installation on a balcony or terrace, it must be possible to position a recipient under the
unit, possibly in galvanised sheet or stainless steel (preferable), with drain pipe that flows directly into the
gutter.
EN - 21
ARYAL S1 E
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