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Split
System
Condensers
Installation
Instructions
J
Locating
The
Outdoor
Unit:
Check
local
codes
covering
zoning,
noise,
platforms.
if
practical,
avoid
locating
next
to
fresh
air
intakes,
vent
or
bedroom
windows.
Noise
may
carry
into
the
openings
and
disturb
people
inside.
Placement
of
the
unit
should
be
in
a
well
drained
area
or
unit
must
be
supported
high
enough
so
runoff
will
not
enter
the
unit.
Do
not
locate
where
heat,
lint
or
exhaust
fumes
will
be
dis-
charged
on
unit
(as
from
dryer
vents).
Clearances:
Roof
top
installations
are
acceptable
providing
the
roof
will
support
the
unit
and
provisions
are
made
for
water
drain-
age
and
the
noise
or
vibration
through
the
structure.
Do
not
install
the
unit
in
a
recessed
or
confined
area
where
recirculation
of
discharge
air
may
occur.
Heat
Pumps
Only:
The
top
surface
of
platform
must
be
above average
winter
snow
levels
to
prevent
coil
blockage.
Nominal
operating
clearances,
where
practical,
are
48
inches
(120
cm)
above
unit
for
discharge
air
and
18
inches
(40cm)
around
coil
for
intake
air
on
three
sides.
Clearance
on
one
side
(normally
between
unit
and
structure)
may
be
reduced
to
6
inches
(15cm).
Nominal
clearances
are
based
from
a
solid
parallel
object,
wall,
roof
overhang,
etc.
Do
Not
install
under
roof
overhangs
without
guttering.
A
minimum
vertical
clearance
of
48”
is
required
to
overhang.
The
clearance
may
be
reduced
from
a
single
object
with
a
small
surface
area,
such
as
the
end
of
a
wall,
outside
cor-
ner
of
a
wall,
fence
section
or
a
post,
etc.
As
a
general
rule
the
width
of
the
object
should
equal
the
minimum
clearance
from
the
unit.
For
example,
a
4
inch
(10cm)
fence
post
could
be
4
inches
(10cm)
from
the
unit.
Unit
Support:
Inside
corner
locations
on
single
story
structures
require
evaluation.
Large
overhanging
soffits
may
cause
air
recir-
culation
in
a
corner
area
even
though
recommended
clear-
ances
are
maintained.
As
a
guide
locate
the
unit
far
enough
out
so
that half
of
the
discharge
grille
is
out
from
under
the
soffit.
Two
or
more
units
may
be
spaced
with
18
inches
(45cm)
between
units.
A
service
clearance
of
24
inches
(60cm)
is
desirable
from
control
box
end
or
side.
Control
box
and
corner
panel
be-
low
it
can
be
loosened
and
moved
out
to
the
side
to
facili-
tate
servicing.
Internal
components
can
be
accessed
through
control
box
corner
or
top
only.
The
unit
must
be
level,
and
supported
above
grade
by
beams,
platform
or
a
pad.
Platform
or
pad
can
be
of
open
or
solid
construction
but
should
be
of
permanent
materials
such
as
concrete,
bricks,
blocks,
steel
or
pressure
treated
timbers
approved
for
ground
contact.
Refer
to
Unit
Clear-
ances
to
help
determine
size
of
supports
etc. Soil
condi-
tions
should
be
considered
so
the
platform
or
pad
does
not
shift
or
settle
excessively
and
leave
the
unit
only
partially
supported.
CAUTION
Inadequate
support
could
cause
excessive
vibration
and
noise
or
binding
and
stress
on
refrigerant
lines
resulting
in
equipment
failure.
To
minimize
vibration
or
noise
transmission,
it
is
recom-
mended
that
supports
not
be
in
contact
with
the
building
structure.
However,
slabs
on
grade constructions
with
an
extended
pad
are
normally
acceptable.
A.
Ground
Level
Installation:
if
beams
or
an
open
platform
are
used
for
support
it
is
rec-
ommended
that
the
soil
be
treated
or
area
be
graveled
to
retard
the
growth
of
grasses
and
weeds.
B.
Roof
Top
Installation:
This
type
of
installation
is
not
recommended
on
wood
frame
structures
where
low
noise
levels
are
required.
Supporting
structure
or
platform
for
the
unit
must
be
level.
If
installation
is
on
a
flat
roof
the
unit
should
be
4
inches
(10cm.)
above
roof
level.
Four
by
four
posts
placed
over
a
load
bearing
wall
make
a
suitable
mounting
platform.
If
possible,
place
the
unit
over
one
or
more
load
bearing
walls.
If
there
are
several
units,
mount
them
on
platforms
that
are
self-supporting
and
span
load
bearing
walls.
These
suggestions
are
to
minimize
noise
and
vibration
transmission
through
the
structure.
If
the
structure
is
a
home
or
apartment,
avoid
(if
practical)
locating
the
unit
over
bedrooms
or
study.
NOTE:
When
condensing
unit
is
to
be
installed
on
a
bonded
guaranteed
roof,
a
release
must
be
obtained
from
the
building
owner
to
free
the
installer
from
all
liabilities.
[3]
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