Installation guide
Table
1
—
Accessory
Usage
REQUIRED
FOR
ACCESSORY
LOW-AMBIENT
COOLING
REQUIRED
FOR
LONG
LINE
Bee
PLICATIONS
APPLICATIONS
APPLICATIONS*
(Within
2
miles/3.22
km)
(Below
55°F/12.8°C)
Compressor
Start
Assist
Kit
No
Yes
No
Yes Yes
Crankease
Heater
(standard
on
some
units)
(standard
on
some
units)
No
Evaporator
Freeze
Protection
Standard
with
Infinity
Control
No No
Liquid-Line
Solenoid
Valve
No No No
Low-Ambient
Control
Standard
with
Infinity
Control
No No
Puron
alla
cation
Port
Hard-
vest
Yest
vest
Support
Feet
Recommended
No
Recommended
Winter
Start
Control
Standard
with
Infinity
Control
No No
*
For
tubing
set
lengths
between
80
and
200
ft.
(24.38
and
60.96
m)
horizontal
or
35
ft.
(10.7
m)
vertical
differential
(total
equivalent
length),
refer
to
the
Long
Line
Guideline—Air
Conditioners
and
Heat
Pumps
using
Puron®
Refrigerant.
T
Required
on
all
indoor
units.
Standard
on
all
new
Puron
refrigerant
fan
coils
and
furnace
coils.
Make
Piping
Connections
&
WARNING
PERSONAL
INJURY
AND
ENVIRONMENTAL
HAZARD
Failure
to
follow
this
warning
could
result
in
personal
injury
or
death.
Relieve
pressure
and
recover
ail
refrigerant
before
system
repair
or
final
unit
disposal.
Use
all
service
ports
and
open
all
flow-control
devices,
including
solenoid
valves.
Federal regulations
require
that
you
do
not
vent
refrigerant
to
the
atmosphere.
Recover
during
system
repair
or
final
unit
disposal.
&
CAUTION
UNIT
DAMAGE
HAZARD
Failure
to
follow
this
caution
may
result
in
equipment
damage
or
improper
operation.
If
ANY
refrigerant
tubing
is
buried,
provide
a
6-in
(152.4
mm)
vertical
rise
at
service
valve.
Refrigerant
tubing
lengths
up
to
36-in
(914.4
mm)
may
be
buried
without
further
special
consideration.
Do
not
bury
lines
more
than
36-in.
(914.4
mm).
Outdoor
units
may
be
connected
to
indoor
section
using
accessory
tubing
package
or
field-supplied
refrigerant
grade
tubing
of
correct
size
and
condition.
Rated
tubing
diameters
shown
in
Table
2
are
recommended
up
to
80
ft.
(24.38
m).
See
Product
Data
for
acceptable
alternate
vapor
diameters
and
associated
capacity
losses.
For
tubing
requirements
beyond
80
ft.
(24.38
m),
substantial
capacity
and
performance
losses
can
occur.
Following
the
recommendations
in
the
Residential
Piping
and
Longline
Guideline
will
reduce
these
losses.
Refer
to
Table
2
for
field
tubing
diameters.
Refer
to
Table
1
for
accessory
requirements.
There
are
no
buried-line
applications
greater
than
36-in.
(914.4
mm)
allowed.
If
refrigerant tubes
or
indoor
coil
are
exposed
to
atmosphere,
they
must
be
evacuated
to
500
microns
to
eliminate
contamination
and
moisture
in
the
system.
Outdoor
Unit
Connected
to
Factory
Approved
Indoor
Unit
Outdoor
unit
contains
correct
system
refrigerant
charge
for
operation
with
factory
approved
AHRI
rated
indoor
unit
when
connected
by
15
ft.
(4.57
m)
of
field-supplied
or
factory-accessory
tubing, and
factory
supplied
filter
drier.
Check
refrigerant
charge
for
maximum
efficiency.
NOTE:
If
the
indoor
furnace
coil
width
is
more
than
the
furnace
casing width,
refer
to
the
indoor
coil
Installation
Instructions
for
transition
requirements.
CUANDO:
UNIT
OPERATION
AND
SAFETY
HAZARD
Failure
to
follow
this
warning
could
result
in
personal
injury
or
equipment
damage.
Puron®
refrigerant
systems
operate
at
higher
pressures
than
standard
R-22
systems.
Do
not
use
R-22
service
equipment
or
components
on
Puron®
refrigerant
equipment.
Refrigerant
Tubing
Connection
Outdoor
Connect
vapor
and
liquid
tubes
to
fittings
on
vapor
and
liquid
service
valves
(see
Table
2.)
Use
refrigerant
grade
tubing.
Sweat
Connection
7
IN
CAUTION
UNIT
DAMAGE
HAZARD
Failure
to
follow
this
caution
may
result
in
equipment
damage
or
improper
operation.
Service
valves
must
be
wrapped
in
a
heat-sinking
material
such
as
a
wet
cloth
while
brazing.
Use
refrigeration
grade
tubing.
Service
valves
are
closed
from
factory
and
ready
for
brazing.
After
wrapping
service
valve
with
a
wet
cloth,
braze
sweat
connections
using
industry
accepted
methods
and
materials.
Consult
local
code
requirements.
Refrigerant
tubing
and
indoor
coil
are
now
ready
for
leak
testing.
This
check should
include
all
field
and
factory
joints.
Table
2
—
Refrigerant
Connections
and
Recommended
Liquid
and
Vapor
Tube
Diameters
(In.)
LIQUID
RATED
VAPOR*
Connection
.
UNTSE
|
kMax
Tube
|
Sgmmection
ee
Diameter
724
3/8 3/4 3/4
124
3/8 7/8 7/8
736,
136
3/8 7/8 7/8
748,
148
3/8 7/8
1-1/8
760,
160
3/8 7/8
1-1/8
*
Units
are
rated
with 25
ft.
(7.6
m)
of
lineset.
See
Product
Data
sheet
for
performance
data
when
using
different
size
and
length
linesets.
Notes:
1.
Do
not
apply
capillary
tube
or
fixed
orifice
indoor
coils
to
these
units.
2.
For
Tubing
Set
lengths
between
80
and
200
ft.
(24.38
and
60.96
m)
horizontal
or
35
ft.
(10.7
m)
vertical
differential
250
ft.
(76.2
m)
Total
Equivalent
Length),
refer
to
the
Residential
Piping
and
Longline
Guide
line—
Air
Conditioners
and
Heat
Pumps
using
Puron
refrigerant.
-
fia]
z
4
Li
to]
ey,
=
ma
z
4
Li
i]