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This unit can be located at ground floor level or on flat roofs.
At ground floor level, the unit must be on a solid, level foun-
dation that will not shift or settle. To reduce the possibility
of sound transmission, the foundation slab should not be in
contact with or be an integral part of the building foundation.
Care should be taken to ensure the unit is installed away
from noise sensitive locations such as bedrooms, windows
and outdoor living areas. Ensure the foundation is sufficient
to support the unit. A concrete slab raised above ground level
provides a suitable base.
C
C
o
old
limate
utdoor
When installing the unit in a place frequently exposed to
snow, pay special attention to the following:
• Install the outdoor unit on a stand (field supply), so that
the bottom frame is more than 19 3/4 in. (500 mm) higher
than the expected snow fall to prevent it from being
covered by snow.
• Attach a snow hood (field supply) and a snow vizor (field
supply).
• Avoid installation at the place where a snowdrift is
generated.
• Further, perform the following countermeasures, since
there is risk that the drain water produced at the defrost
operation freezes.
• An optional drain pan heater is available when the unit is
installed in a climate where the drain may freeze.
• It is highly recommended to use drain pan heater in areas
where the outside air temperature drops below 32°F
(0°C) for more than 12 hours continuously.
• In high humidity areas or heavy snow areas, it is
recommended to attach a drain pan heater to prevent ice
build-up from the bottom frame.
• Do not use a concentrated drain pipe. (If so there is a risk
of freezing.) Only utilize the existing holes for drainage.
• In high humidity areas or heavy snow areas, it is strongly
recommended to install the unit high enough off of the
ground to prevent ice built-up from the ground or to
prevent burying in snow.
• Remove the rear inlet grille to prevent snow from
accumulating on the rear fins.
u
o
l
nit
peration
oCation
W
hen operating the outdoor unit in
a loW outdoor ambient temperature
be sure to folloW the instructions
.
described beloW
• t
o prevent exposure to Wind
the outdoor unit With its suction
.
side facing the Wall
• n
ever install the outdoor unit at a
site Where the suction side may be
exposed directly to Wind
• t
o prevent exposure to Wind
recommended to install a baffle
plate on the air discharge side of
.
the outdoor unit
• i
n heavy snoWfall areas
installation site Where the snoW
.
Will not affect the unit
r
i
ooftop
nstallations
If it is necessary to install this unit on a roof structure, ensure
the roof structure can support the weight and that proper
consideration is given to the weather-tight integrity of the roof.
Since the unit can vibrate during operation, sound vibration
transmission should be considered when installing the unit.
Vibration absorbing pads or springs can be installed between
the outdoor unit legs or frame and the roof mounting assembly
to reduce noise vibration.
e
n
leCtriCal
oise
The unit should be well grounded so that potential effects of
electrical noise from the inverter to surrounding equipment
can be minimized.
When selecting an installation location, keep sufficient dis-
tance from the outdoor unit and wiring to radios, personal
computers, stereos, fluorescent lamp, etc., as shown in the
following figure.
Also keep communication wiring 2" away from high voltage
power cable to avoid communication error due to noise.
Indoor unit
Thermostat
2" or more
Radio, TV
unit: inch
Placement to Minimize Electronic Noise
9
ASXS6S̲3P679063-2D̲ALL̲220729.pdf
CAUTION
• Construct a large
,
canopy.
• Construct a pedestal.
,
install
.
,
it is
Install the unit high
enough off the ground
to prevent burying in
snow.
,
select an
Circuit
Breaker
High voltage
power cable
Communication
wiring
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