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HEATER
PACKAGES
Factory
approved,
field
installed,
UL
listed
heater
packages
are
available
from
the
equipment
supplier.
See
unit
rating
plate
for
a
list
of
factory
approved
heaters.
POSITION
UNIT
Unit
can
stand
or
lie
on
floor,
or
hang
from
ceiling
or
wall.
Allow
space
for
wiring, piping,
and
servicing
unit.
CAUTION
A
PROPERTY
DAMAGE
HAZARD
Failure
to
follow
this
caution
may
result
in
proper-
ty
damage
A
field
fabricated
auxiliary
drain
pan,
with
a
sepa-
rate
drain
is
REQUIRED
for
all
installations
over
a
finished
living
space
or
in
any
area
that
may
be
damaged
by
overflow
from
a
restricted
main
drain
pan.
In
some
localities,
local
codes
require
an
aux-
iliary
drain
pan
for
ANY
horizontal
installation.
Heaters
that
are
not
factory
approved
could
cause
damage
which
would
not
be
covered
under
the
equipment
warranty.
A.
UPFLOW
INSTALLATION
If
return
air
is
to
be
ducted
through
a
floor,
set
unit
on
floor
over
opening
and
use
1/8
to
1/4
inch thick
(3 to
6
mm
thick)
fireproof
resilient
gasket
between
duct,
unit,
and
floor.
Side
return
is
a
field
option
on
slope
coil
models.
Cut
opening
per
dimensions
shown
in
Figure3.
A
field-supplied
bottom
closure
is
required.
PRIMARY
DRAIN
Figure
3
Upflow
Installation
POWER
ENTRY
FIELD
SUPPLIED
OPTIONS
1
SUPPLY
DUCT
LOW
VOLT
ENTRY
OPTIONS
FRONT
SERVICE
CLEARANCE
‘
SLOPE
COIL
UNITS
18
—
48
models
=
21”
(533
mm)
—
|
°
60
model
=
24”
(610
mm)
Na
x
MODEL
SIZE
18
12"
(305mm)
‘A-COIL
UNITS
24
12"
(305mm)
30
17"
(432mm)
UPFLOW/DOWNFLOW~—
"
7
SECONDARY
DRAIN
1%
36
17"
(432mm)
\
,
|
UPFLOW/DOWNFLOW
|
Li
Lor
|
caeomm)
PRIMARY
DRAIN
°
pH
NL
“iI
FIELD
MODIFIED
| |
A
SIDERETURN
1
ow
ou.
LOCATION
FOR
1 |
2
SLOPE
COIL
(4mm)
UNITS
ONLY
UPFLOW/DOWNFLOW
|
J
SECONDARY
DRAIN
|
4
as
y
UPFLOW/DOWNFLOW
Ps
FIELD
SUPPLIED
RETURN PLENUM
496
01
5501
01
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