LG LRNN386TDA0 Owner’s Manual
website
e-mail
http://www.lgservice.com
http://www.lgeservice.com/techsup.html
System
LG
Outdoor
INSTALLATION
MODELS:
LRUN
Unit
MANUAL
Series
IMPORTANT
?
Please
installing
?
Installation
the
national
only.
?
Please
after
reading
read
this
the
product.
work
wiring
retain this
it
thoroughly.
installation
must
be
standards
installation
manual
performed
authorized
by
manual
completely
in
accordance
personnel
for
future
before
with
reference
LRUN
Series
Outdoor
Unit
Installation
Manual
TABLE
OF
CONTENTS
Safety
Installation
Outdoor
Select
Precautions.........................3
Units
the
Best
Process
Information
Location
.....................10
..........11
.............18
Installation
Lifting
Installation
method
Refrigerant
Electrical
Test
Run
Wiring...........................60
........................................84
Space
....................................24
piping
........................19
..............................23
installation
....31
2
Outdoor
Unit
Safety
Precautions
Safety
To
prevent
be
followed.
Incorrect
classified
Meaningsofsymbols
Installation
injury
operation
by
Precautions
to
the
user
or
due
to
the
following
usedinthis
This
This
indications.
symbol
symbol
other
ignoring
indicates
indicates
manual
are
and
the
the
as
Be
people
instruction
property
will
possibility
cause
damage,
harm
of
death
the
or
damage.
or
following
serious
instructions
The
seriousness
injury.
possibilityofinjuryordamagetoproperties
shown
sure
Be
below.
to
sure
follow
not
to
the
instruction.
do.
must
is
only.
Have
all
electric
electrician
Engineering
Regulations"
this
manual
?
If
the
power
electric
shock
Always
?
There
work
and
ground
is
risk
work
according
Standard"
and
the
and
always
source
is
performed
fire
may
the
of
fire
done
to
"Electric
and
instructions
use
a
licensed
by
Facility
"Interior
a
special
Wire
given
circuit.
capacityisinadequate
improperly,
result.
electric
product.
or
electric
shock.
Ask
the
dealer
install
in
or
?
Improper
water
Always
?
Improper
electric
the
leakage,
intstalladedicated
wiring
shock.
or
an
authorized
air
conditioner.
installationbythe
electric
or
shock,
installation
user
or
circuit
may
technician
result
may
fire.
and
breaker.
cause
fire
to
in
or
Installation
Manual
3
Safety
For
always
Service
Precautions
re-installationofthe
contact
Center.
a
dealer
installed
or
an
product,
Authorized
Do
not
by
yourself
install,
(customer).
remove,
or
re-install
the
unit
?
There
is
injury.
Do
not
combustibles
?
There
is
Prepare
and
earthquakes
specified
?
Improper
and
ple
risk
of
store
or
near
risk
of
for
typhoons
place.
installation
in
result
electric
fire,
use
flammable
the
air
fireorfailure
Gasolin
and
and
install
cause
may
injury.
shock,
explosion,
gas
conditioner.
of
product.
other
strong
the
unitatthe
the
unit
?
or
There
is
risk
of
fire,
electric
shock,
explosion,
or
injury.
or
winds
to
top-
Use
the
?
There
Do
installation
?
It
may
is
not
cause
correctly
risk
of
fire
install
the
stand.
injury,
rated
breaker
or
electric
product
accident,
on
shock.
a
defective
or
damage
or
fuse.
to
the
product.
When
er
to
another
differnet
specified
?
If
a
differnet
original
malfunction
4
installing
and
site,
refrigerant
on
the
unit.
refrigerant
refrigerant,
and
the
Outdoor
moving
do
not
charge
from
or
airismixed
the
refrigerant
unit
may
Unit
the
air
the
refrigerant
cycle
be
gamaged.
condition-
it
with
with
may
a
the
Do
not
the
protection
?
If
the
pressure
protection
forcibly,
those
specified
fire
used,
result.
reconstruct
devices.
switch,
deviceisshorted
or
or
other
parts
by
explosion
LGE
ot
change
thermal
than
may
are
switch,
and
the
settings
or
operated
of
other
Safety
Precautions
Ventilate
when
?
If
It
may
the
gas
cause
air
refrigerant
?
Consult
ed.
gen
Should
in
the
the
before
goes
operating
out.
explosion,
conditioner
concentration
dealer
the
refrigerant
room
could
fire,
is
installed
from
regarding
leak
result.
air
conditioner
and
burn.
exceeding
the
appropriate
and
in
cause
a
small
the
room,
the
safety
measures
safety
Securely
the
panel.
?
If
the
or
water
electric
measures
limit
to
prevent
limittobe
install
cover
may
shock
when
exceeded,
and
must
the
panel
enter
may
be
the
refrigerant
the
safety
cover
are
the
outdoor
result.
taken
limit
harzards
of
control
installed
unit
to
prevent
leaks.
from
due
box
securely,
and
fire
the
exceed-
being
to
lack
of
and
dust
or
oxy-
Operation
Do
not
cord.
?
There
injury.
Be
cautious
product.
?
There
damage.
damage
is
risk
is
risk
of
that
of
or
fire,
water
fire,
use
an
electric
could
electric
unspecified
shock,
shock,
explosion,
not
enter
or
product
power
the
Useadedicated
or
?
There
Do
hands.
?
There
not
is
touch
is
risk
risk
of
of
fire
the
fire,
outlet
or
power
electric
for
this
electrical
switch
shock,
appliance.
shock.
with
wet
explosion,
or
injury.
Installation
Manual
5
Safety
Precautions
When
the
submerged),
Center.
?
There
Take
on
?
This
or
is
care
fall
could
damage.
product
risk
of
to
ensure
onto
result
contact
fire
the
in
is
soaked
an
Authorized
or
electric
that
nobody
outdoor
personal
(flooded
shock.
unit.
injury
could
and
or
Service
step
product
Be
cautious
when
?
It
may
Do
not
ing
filter,
?
There
product
not
installing.
cause
open
injury.
the
operation.
if
the
unit
is
risk
of
failure.
to
touch
inlet
grill
not
(Do
is
so
equipped.)
physical
the
of
touch
injury,
sharp
the
product
the
electrostatic
electric
edges
shock,
dur-
or
Installation
Always
after
installation
?
Low
refrigerant
product.
Keep
?
To
avoid
check
level
vibration
even
for
gas
(refrigerant)
or
repairofproduct.
levels
may
when
or
water
installing
90˚
cause
failure
the
leakage.
leakage
of
product.
Do
not
install
hot
air
from
the
neighborhoods.
?
It
Do
may
?
If
unit,
may
the
not
cause
install
leak.
gas
an
the
the
outdoor
a
problem
the
leaks
and
explosion
product
for
unit
where
accumulates
result.
may
where
unit
your
Gasolin
the
noise
could
damage
neighbors.
combustible
around
or
gas
the
6
Outdoor
Unit
Safety
Precautions
Use
power
carrying
?
Cables
and
heat,
the
Keep
exchanger
?
It
can
cause
Also
the
of
capacity.
cables
capacity
that
are
cause
unit
is
the
gamaged
too
a
away
very
injury,
of
sufficient
and
small
fire.
from
sharp.
fin
may
rating.
may
children.
such
as
result
current
leak,
generate
The
cutting
in
degradation
heat
the
finger.
Do
not
use
the
product
such
as
preserving
is
a
consumer
refrigeration
?
There
When
munication
surfficient
?
The
is
risk
installting
inverter
high-frequency
munication
er
to
operate
other
hand,
air
system.
of
damage
the
station,
protection
equipment,
medical
equipment
erroneously,
the
air
conditioner
equipmentbycreating
treatment
or
image
for
special
foods,
works
conditioner,
or
loss
of
in
unit
or
against
a
similar
private
hospital,
place,
noise.
power
equipment,
cause
may
or
fail
to
may
noise
that
disturbs
broadcasting.
purposes,
of
art,
not
a
precision
property.
generator,
or
radio
the
air
condition-
operate.
affect
etc.
com-
provide
com-
On
the
such
medical
It
Do
?
It
could
may
not
install
cause
cause
the
product
corrosion
product
where
on
the
malfunction
will
it
product.
or
inefficient
be
exposed
Corrosion,
operation.
to
sea
wind
particularly
on
(salt
the
spray)
condenser
directly.
and
evaporator
Installation
Manual
fins,
7
Safety
Operation
Precautions
Do
not
use
environments.
?
Oil,
steam,
reduce
the
damage
Make
outside
the
?
the
terminals.
Inadequate
erate
heat
the
air
sulfuric
performance
its
parts.
connections
forceofthe
connection
and
cause
conditioner
of
etc.
the
smoke,
securely
cable
and
a
fire.
in
special
can
significantly
air
conditioner
so
is
not
applied
fastening
that
may
the
to
gen-
Do
not
block
?
It
or
Be
orate
?
If
fall
failure,
may
the
cause
sure
with
base
with
and
the
failure
the
installation
age.
collapses,
it,
causing
personal
inletoroutlet.
of
appliance
area
does
the
air
conditioner
property
damage,
injury.
or
accident.
not
deteri-
could
product
Install
installation
?
A
bad
connection
Be
very
?
?
?
Only
than
Some
bands
Do
one
20
products
for
not
gers.
?
When
transporting
positions
points
so
and
careful
person
kg.
a
touch
on
that
insulate
manual.
about
should
use
means
the
heat
the
unit
it
cannot
the
drain
may
cause
water
product
not
carry
PP
bands
of
transportation.
dor
exchanger
the
Outdoor
base.
Also
slip
sideways.
hose
to
ensure
leakage.
transportation.
the
product
packaging.
It
is
fins.
Doing
Unit,
suspending
support
if
Do
dangerous.
so
the
Outdoor
that
it
weighs
not
may
itatthe
water
use
cut
your
Unit at
is
drained
more
PP
any
fin-
specified
four
away
properly
based
on
the
8
Outdoor
Unit
Safely
?
Packing
wooden
?
Tear
so
that
play
not
torn
risk
Do
not
during
?
It
can
dispose
materials,
parts,
and
apart
children
with
a
plastic
apart,
of
suffocation.
touch
and
cause
may
throw
they
any
after
a
burn
of
will
the
packing
such
as
mails
cause
stabsorother
away
plastic
not
bag
face
of
with
play
which
the
the
refrigerant
operation.
or
frostbite.
materials.
and
other
packaging
them.Ifchildren
was
metal
injuries.
bags
piping
or
Turn
on
starting
temperature
?
Starting
the
main
damage
turned
Do
panels
?
Rotating,
not
on
operate
and
injuries.
the
power
at
operation.(In
5°C
below)
operation
power
to
internal
during
guards
hot,
immediately
switch
parts.
the
operational
the
air
removed.
or
high-voltage
Safety
least2hours
case
of
outdoor
after
can
result
the
Keep
season.
conditioner
parts
Precautions
before
turning
in
severe
power
with
can
cause
on
switch
the
Do
not
directly
switch
?
Waitatleast
off
the
after
main
Otherwise
water
leakage
problems.
Use
firm
a
maintaining
?
Be
careful
turn
off
stopping
more
than5minutes
the
or
avoid
result
other
air
switch.
conditioner.
personal
power
it
may
stoolorladder
and
the
main
operation.
in
when
injury.
power
before
turning
cleaning
in
done
indoor
alsobedone
Unit
board(PCB).
objects
the
air
parts
condition
and
outdoour
through
conditioner
that
could
of
in
the
in.
should
power
the
hands
and
injury.
Auto-addressing
connecting
units.
Auto-addressing
case
of
changing
or
Do
the
is
?
There
cause
not
insert
air
inletoroutlet
plugged
are
personal
sharp
be
of
all
should
Indoor
or
other
while
moving
Installation
Manual
9
Installation
Installation
of
of
and
Duct
division
contract
insert
of
indoor
piping
pipe
work
drawings
work
work
work
Determination
Preparation
Sleeve
Installation
Refrigerant
Drain
unit
work
Process
Indicate
clearly
Make
relationship
control
(Prepare
Take
account
of
drain
piping
Check
model
sure
the
fitting
attention
Special
cleanness
Adjust
Make
and
to
downward
sure
airflowissufficient
who
istobe
between
circuit
of
gradient
name
to
is
made
to
dryness,
tightness
gradient
responsible
outdoor,
diagram)
make
correctly
for
indoor,
switch
settings
remote
controller,
Outdoor
unit
Installationofoutdoor
And
option
foundation
connections
work
unit
clear.
The
foundation
Avoid
short
sufficient
circuits
space
must
is
be
and
allowed
level
ensure
for
service
Heat
(connection
Additional
Automatic
Test
tight
work
work
and
drive
test
drying
insulation
Electrical
circuits
All
Vacuum
chargeofrefrigerant
Fit
facing
panels
of
addressing
run
indoor
adjustment
circuits)
unit
Make
sure
no
final
vacuum
sure
each
gaps
materials
core
cable
check
pump
correctly
there
indoor
the
insulating
Multiple
be
used.(suitable
be
selected)
In
the
The
Recharge
Make
Refertoautomatic
Run
are
left
are
must
not
cable
should
for
24hours
used
must
as
calculatedinthis
are
no
gaps
addressing
unit
in
turn
where
joined
at
3MPa(30.0
have
left
flowchart
to
make
kg/cm2)
a
capacityofreaching
manual.
and
between
the
facing
sure
the
pipe
there
record
materials
work
must
at
has
be
least
the
amount
usedonthe
been
no
drop
5mmHg,
fitted
in
pressure.
3hours
of
additive
ceiling
correctly
refrigerant
Transfer
The
may
10
to
above
be
customer
varied
list
with
explanation
indicates
where
the
local
Outdoor
the
Explain
orderinwhich
conditions
Unit
use
of
warrants
the
the
system
individual
such
as
clearlyaspossible
work
change.
to
customer
your
operations
and
are
make
sure
normally
all
relevant
carried
documentationisin
out
but
this
order
order
Select
the
Best
Location
Select
Select
?
No
direct
?
No
possibilityofannoying
?
No
exposition
?
With
strength
?
Note
?
With
space
Because
of
combustible
?
Avoid
?
Do
not
?
Installation
is
-5°C
?
Itisrecommended
the
Outdoor
?
If
installation
-
Make
-
Fit
a
space
that
unit
use
or
the
snow
for
thermal
drain
for
of
the
installation
unit
restriction
lower
Unit.
site
foundation
protection
the
installing
radiation
to
strong
which
bears
flows
out
air
passage
possibility
is
gas
expected.
in
under
on
to
fence
is
area
Best
Outdoor
the
wind
weight
of unit
of
a
place
any
special
Outdoor
of
as
highaspossible.
hood.
from
neighbors
when
and
service
fire,
round
heavy
Unit,
other
of unit
do
where
environment
Unit
the
snowfall,
Location
which
heat
sources
noise
by
heating
work
not
install
acidic
when
cooling
Outdoor
then
will
meet
from
shown
solution
below
unittothe
where
operationisperformed
Unitinorder
the
following
the
unit
and
oil,
following
space
spray
steam
to
prevent
directions
conditions:
where
(sulfur)
and
sulfuric
generation,
are
often
gas
when
any
person
should
be
inflow,
used.
exist.
the
or
observed.
stagnation,
outdoor
animal
air
temperature
from
and
accessing
leak
18
Outdoor
Unit
Installation
Space
Installation
Individual
Basic
A
account,
A
B
C
D
E
space
250
900
Top
Front
Rear
ofatleast
a
mm
mm
discharge
inlet
inlet
Installation
space
space
or
or
(openinprinciple)
required
250
of
about
more
more
(Control
(openinprinciple)
(openinprinciple)
Rear
Side
mm
900
boxisof
Space
is
necessary
mm
a
open/close
should
A
at
be
method
the
back
provided,
)
D
for
inlet
the
air.
Taking
same
C
as
servicing,
at
the
E
front.
Front
etc.
from
the
rear
Rear
Side
A
Front
Side
B
Control Box
Rear
Side
Side
into
Rear
Side
A
B
Control Box
A
When
A
900
(Control
B
250
C
150
Wall
exceed
If
the
than
uct
by
Front
inlet
air
mmormore
boxisof
mmormore
mm
from
the
CAUTION
height(H)
height
wall
heightishigher
the
whole
add
(h),
C
Side
enters
a
wall
must
of
from
open/close
not
the
product.
method)
heightofprod-
(h)to(A),
Rear
(B).
Side
B
Control Box
and
left
sides
of
right
A
B
C
unit
Bh
Front
Side
Rear
Side
B
C
Front
H
C
Side
C
A
Rear
Side
Rear
Side
C
Front
Side
B
B
Control Box
B
C
A
C
Front
Side
Front
A
Side
Installation
A
Manual
19
Installation
When
unitissurrounded
A
900
mmormore
B
250
mmormore
Space
(Control
boxisof
walls
by
a
open/close
method
)
A
B
C
When
45°
200
250
B
B
there
or
more
mmormore
mmormore
B
B
A
isanobstruction
B
A
above
B
B
B
A
B
B
B
B
A
the
unit
A
B
D
E
F
1000
Air
250
mmormore
outlet
guide
mmormore
C
(Procured
A
B
at
the
site)
A
B
C
D
E
C
F
A
B
C
20
Outdoor
Unit
Installation
Space
Collective
Space
the
A
B
C
(Must
900mm
250
required
space
be
or
mm
Front Side
/
between
Continuous
for
collective
each
installation
block
as
installation
and
shown
below
continuous
considering
installation:When
passage
for
installing
air
and
open)
more
or
more
Rear Side Front Side
Front Side
boxisof
(control
Rear Side Front Side
Rear Side
a
open/close
Rear Side Front Side
Front Side
method)
Rear
Side
Rear Side Front Side
Rear Side
Rear Side
Rear
Side
Front
Side
Rear
Side
Front
Side
Rear
Side
several
people.
Rear
Side
Front
Side
Rear
Side
units,
Rear
Side
Front
Side
Rear
Side
leave
Front Side
Front Side
Rear Side
Rear Side
Front Side
Front Side
Front Side
Rear Side
Front Side
Front Side
Rear Side
Rear Side
Front Side
Front Side
Rear Side
Rear Side
Rear Side
Front Side
Front Side
Rear Side
Rear Side
Rear
Side
Rear Side
Rear
Side
Front
Side
Front
Side
Rear
Side
Front
Side
Rear
Side
Front
Side
Rear
Front
Side
Rear
Side
Front
Side
Side
Front
Side
Rear
Side
Front
Side
Rear
Side
Front Side
Rear Side
Front Side
Rear Side
Front
Side
Front
Side
Front
Side
Installation
Front
Side
Manual
21
Lifting
Method
Season
?
Sufficient
well.
?
Get
?
Installasuction
door
?
Install
insideofthe
fall
?
Install
average
air
suction
?
Where
operation.
1.
TheHof
product.
2.
Don't
wind
measures
for
ready
temperature
the
outdoor
and
then
the
Outdoor
snowfall)
holeofthe
snow
frame
(If
install
and
cautions
are
seasonal
and
discharge
of
less
so
Indoor
Unit
attach
the
Unitatthe
at
the
accumulated
height
widthofthe
the
suction
in
required
wind
or
than
10°C.
thatitdoes
be
may
hood
to
area
with
Outdoor
on
must
be
frameiswider
hole
and
winter
at
a
snow
in
snow
ductsothat
not
directly
frozen
prevent
installation
higher
much
Unit
is
clogged
the
upper
more
discharge
area
or
severe
even
touch
the
in
or
rain
with
air
winter
snow
because
effectofsnowfall.
console
snowfall
since
duetosnowfall.
of
the
part
than2times
than
thatofthe
Outdoor
the
holeofthe
other
area.
does
the
suction
by
the
insideofthe
snowfall
product,
Outdoor
cold
not
suction
holeofthe
50cm
Unit
snow
Unit
area
enter
holeatthe
than
by
and
facing
in
wintersothat
into
Outdoor
the
expected
Indoor
more
than
its
width
may
accumulate)
to
when
shall
the
area
Unit
10cm,
seasonal
the
with
Unit
may
not
product
product
much
is
clogged
average
be
always
exceed
wind.
can
snowfall
frozen
remove
be
operates
snow
due
because
the
widthofthe
operated
at
out-
since
the
to
snow-
(annual
the
snow
for
22
Outdoor
Unit
Lifting
Method
Lifting
?
When
carrying
the
front
and
?
Always
?
Attach
lift
the
rear.
the
ropes
the
unit
to
method
unit
suspended,
with
ropes
the
unit
attached
at
an
pass
at
angle
the
ropes
four
points
of 40°orless.
under
so
that
the
impact
unit
and
is
use
not
the
applied
two
suspension
to
the
unit.
points
each
at
Be
CAUTION
very
?
Do
?
PP
are
?
Do
?
Tear
bag
?
When
support
careful
not
have
bands
are
dangerous.
not
touch
plastic
suffocate
may
carrying
may
to
carry
one
only
used
to
heat
exchanger
packaging
childrentodeath.
in
Outdoor
make
Outdoor
40°
A
B
Rope
product.
person
pack
bag
Unit,
or
less
suspension
carry
some
fins
and
scrap
be
Unit
unstable,
par
product
products.
with
your
itsothat
sure
to
if
it
is
more
Do
not
bare
hands.
children
support
resulting
than
use
them
Otherwise
cannot
itatfour
in
a
fallofit.
WARNING
20
kg.
as a
play
points.
mean
for
you
may
with
Carrying
transportation
a
cut
get
it.
Otherwise
in
and
lifting
because
in
your
plastic
with
they
hands.
packaging
3-point
Installation
Manual
23
Installation
Installation
Location
Individual
700
900
Example
of
installation
of
collective
anchor
700
installation
bolt
10
700
900
900
383
10
900
900
383
10
900
383
900
Installation
10
383
foot
900
(Location
10
383
900
of
anchor
10
383
10
900
900
383
10
900
383
bolt)
24
Outdoor
Unit
Installation
Foundation
?
Fix
the
unit
?
Use
the
H-beam
?
Noise
and
part
depending
shall
be
more
tightly
support
vibration
on
than
for
Installation
with
boltsasshown
as
occur
may
installation
200mm).
G
a
base
status.
Ensure
A
installation
B
Obtain
C
The
D
Outdoor
anti-vibration
E
Pipe
H-Beam
F
G
Concrete
from
below
support
the
Thus,
that
and
corner
unit
and
wiring
support
base
so
that
floororwall
use
the
corner
be
bent.
may
use
the
M10
was
not
properly
the
(Insert
be
done
may
space
support
will
unit
since
anti-vibration
can
anchor
cushion
inawide
case
be
bolt.
mounted.
pad
of
securely
piping
part
(in
not
fall
down
due
to
vibrationistransferred
materials
mounted.
between
outdoor
(cushion
Otherwise,
unit
and
area)
and
wiring
on
the
floor
earthquake
through
pad)
fully
the
support
base
support
surface)
or
the
(The
for
to
ensure
gust.
installation
base
that
pad
WARNING
?
Be
sure
lack
Any
?
Have
installation
deficiency
?
Especially
water
making
?
Don't
using
flown
a
use
the
to
of
may
take
base
a
drain
install
strength
cause
care
out
from
support.
tube
path.
unit
work
or
pipe
in
a
place
cause
may
in
order
unittofall
for
support
the
Outdoor
for
Water
Rear
to
to
water
drain
strong
enough
unittofall
protect
down,
resulting
strength
Unit
during
in
drain
be
may
down,
against
of
the
operation)
the
base
done
withstand
resulting
a
strong
in
floor
pan
due
to
a
personal
surface,
freezing
and
and
its
in
a
wind
water
paths
perform
weight.
personal
and
injury.
drain
of
ofatube
injury.
earthquake.
processing
the
pipe
water
or
Side Side Side
drain
pipe.
Any
and
wiring
processing
Water
Drain
Path
installation
(processing
when
by
of
Installation
Manual
25
Appendix
Preparation
Main
cause
of
Cut
1)
2)
3)
the
Use
the
accessory
locally.
Measure
Outdoor
Cut
Cut
Burrs
the
the
Unit.
pipes
cable
removal
Completely
of
pipe/tube.
Put
the
endofthe
tion
as
you
in
the
drop
Putting
Remove
Units,
removal.
(Not possible
flare
than
pipes
the
remove
remove
tubing.
nut
put
of
Piping
is
gas
leakage
and
piping
distance
a
1.5m
nuts
to
between
little
longer
longer
all
burrs
copper
burrsinordertoavoidtolet
on
attachedtoindoor
them
on
themonafter
put
defect
the
cable.
kitorthe
the
than
measured
than
the
from
tube/pipe
pipe/tube
in
pipes
indoor
pipe
the
cut
to
downward
and
having
flaring
flaring
purchased
and
the
distance.
length.
cross
section
burrs
Outdoor
completed
work)
work.
direc-
burr
Carry
out
correct
Copper
tube
flaring
Point
down
Copper
workinthe
90°
Slanted
Pipe
Flare
tube
following
Uneven
Reamer
nut
procedure.
Rough
4)
Flaring
Carry
Indoor
[kW(Btu/h]
~4.0(13,600)
~9.0(30,700)
~15.0(51,200)
Exception)
Wide
Art
Liquid
pipe(3/8")
hold
Firmly
dimensioninthe
Check
5)
Compare
If
flareisnotedtobe
and
do
work
out
Unit
flaring
gas
1/2"
5/8"
3/4"
work
using
Pipe
Cool(4.0kW(13,600
in
the
tube
table
flared
above.
work
copper
defective,
work
flaring
again.
Liquid
1/4"
3/8"
3/8"
Btu/h):
a
bar(or
with
flaring
gas
0.5~0.8
0.8~1.0
1.0~1.3
Gas
die)
figure
cut
toolasshown
"A"
liquid
0~0.5
0.5~0.8
0.5~0.8
pipe(5/8"),
as
indicated
below.
off
the
flared
below.
section
Smooth
Even
all
Bar
length
round
Copper
all
round
"A"
pipe
Clamp
Inside
Inclined
Bar
handle
is
shining
without
=
Improper
Surface
damaged
Red
scratches.
flaring
Cracked
Handle
arrow
Yoke
Cone
mark
=
Uneven
thickness
26
Outdoor
Unit
Appendix
Piping
1.
Form
three
2.
After
them
3.
Connect
4.
After
nection.
Use
Pipe
Ø6.35mm
Ø9.52mm
Ø12.7mm
Ø15.88mm
Ø19.05mm
the
times.
deforming
firmly
completing
CAUTION
two
wrenches
size
Connection
piping
(This
with
wrenches.
to
pipe
according
will
result
the
piping,
the
service
the
piping
and
tighten
Flare
to
its
routing.
in
hardening
centers
align
valveorball
connection,
with
nut
fastening
1.8kg.m
4.0kg.m
5.5kg.m
6.6kg.m
6.6kg.m
the
valve
be
regular
torque
Avoid
of
sure
torque.
bending
pipe.)
the
which
to
and
union
fitting
is
located
checkifthere
bending
of
the
below
is
back
Indoor
the
gas
the
Unit
Outdoor
leakage
same
and
Unit.
in
piping
the
indoor
point
piping,
and
Union
more
and
outdoor
than
tighten
con-
Installation
Manual
27
Appendix
HEAT
1.
Use
the
120°C).
2.
Precautions
This
"KS
Standard
that
there
for
a
temperature:
to
fall.Inthis
according
?
Heat
glass
?
Stick
?
In
additiontothe
piping)
INSULATION
heat
air
conditioner
long
insulation
wool
glass
and
is
time
to
in
not
the
with
wool
insulation
high
humidity
has
Conditions
any
in
high
more
than
add
case,
following
materialtobe
thickness
on
normal
drain
piping,
material
been
default.
humid
23°C),
heat
all
air
for
circumstance:
tested
with
Mist"
However,
atmosphere
water
insulation
procedure:
prepared...
10to20mm.
conditioners
heat
insulation
add
further
the
refrigerant
according
and
confirmed
if
it
is
(dew
drops
material
that
(thickness:
10mm
to
operated
point
are
liable
Adiabatic
are
to
30mm
piping
the
located
which
Indoor
in
more
thickness
has
Unit
ceiling
than
8mm)
an
excellent
atmosphere.
for
material.
heat-resistance
refrigerant
piping
(over
Fastening
(accessory)
Refrigerant
Thermal
(accessory)
(gas
piping:
band
piping
insulator
thick
28
Outdoor
Unit
Appendix
Drain
1.
Drain
2)
-
The
1)
-
The
Suspension
of
1/100
Spacing
The
3)
Pipe
pipe
gradient
drain
pipe
drain
pipe
Indoor
of
Rigid
lengthofpipe
Unit
bolts
is
maintained.(PVC
supports
Class
PVC
Work
must
should
should
pipe
and
be
fitted
beasshort
be used
for
horizontal
laid
horizontally
support
at
a
pipe
Nominal
gradient
as
possible
to
support
should
piping
25~40mm
should
ofatleast
not
diameter
be
long
be
kept
and
stretches
bent)
a
1/100.
free
minimum.
from
airlocks.
of
drain
Spacing
1.0m
Gradient
(1cm/
in
pipe
or
less
order
1m)
to
ensure
ofatleast1/
that
a
100
gradient
2.
Drain
Fit
1)
Rig
Provide
2)
3)
Rig
any
trap
Indoor
the
the
drain
one
trap
Indoor
Unit
trap
to
trap
allow
Unit
whose
as
per
shown
unit.
for
drain
Indoor
A
future
pipe
in
the
Unit
single
changing.
connection
drawing
for
trap
is
subjectedtonegative
below
converging
units
will
Indoor
H
H
prove
Unit
pressure,
H:
ineffective.
withadrain
50mm
or
Plug
trap.
more
Plug
Installation
Manual
29
Appendix
3.
Grouped
1)
2)
The
to
4.
Use
If
A
any
Itisstandard
combination
The
pipe
minimum.
WARNING
difference
the
common
of
an
the
drain
flexible
undue
drain
work
should
work
of
drain
auxiliary
made
pan
drain
hose
strain
piping
practice
be
should
elevation
to
of
permits
being
to
make
as
largeaspossible.
be
prevent
drain
as
kept
Face
downward
of
more
reverse
hose(flexible)
polystyrene
the
drain
placed
on
short
piping
foam
the
connections
as
than
150mm
flow.
is
socket
drain
possible
used
and
pan.
to
must
then
drain
the
and
an
pipe
main
pipe
the
number
Face
foreign
Vent
be
provided
auxiliary
to
be
from
of
the
matter
pipe
when
drain
connected
above.
Indoor
vent
Units
pipe
from
The
mouth
penetrating
bonding
hose(flexible)
without
down
pipe
per
group
downward
he
the
individual
is
also
difficulty
and
from
kept
to
keep
system
essential
prevents
to
the
a
drain
Important
-
The
drain
-
The
drain
-
The
drain
been
connected
functioning
-
All
connections
-
Insulate
300mm
Metal
or
Clamp
less
Hanger
1~1.5m
Hanger
1/50~1/100
Bracket
slope
Interval
450mm or less
700mm or less
Indoor
drain
Indoor
Unitisinstalled
pan
with
Unit.
of
condensation
and
the
PVC
drain
pipe)
points
should
pipe
pipeisthermally
mechanism
up
some
correctly.
should
auxiliary
drain
Auxiliary
Heat
Insulation
beatleast
insulated
should
water
be
hose
be
should
secure.(Special
thermal
by
(connection
equal
to
fitted
be
Flexible
drain
Hose
pipe
part)
in
sizetothatofthe
before
care
the
the
to
the
is
prevent
added
insulation
formation
needed
band.
WARNING
Don't
use
Hose
as
leakage)
flow.
inside
and
when
pump
the
an
prevent
the
the
check
flexible
elbow
(water
reverse
pipe.
electricity
to
see
drain
has
thatitis
30
Outdoor
Unit
Refrigerant
piping
installation
Refrigerant
The
method
the
Outdoor
WARNING
Always
flame.Ifthe
breaks
unventilated
piping
Cautions
of
Unit
use
down
has
connection
and
flare
extreme
refrigerant
and
generates
room.
been
completed.
in
consistsofflare
connections
care
to
comes
gas
Always
pipe
conduct
connection/valve
piping
for
the
prevent
a
the
in
contact
poisonous
an
installation
connections
liquid
refrigerant
with
which
gas
inspection
at
piping.
gas
the
can
for
the
Indoor
Note
that
from
(R22)
flame
from
cause
gas
leakage
operation
Cut
cutter
(Don't
Units,
the
any
gas
after
both
to
cut
the
suit
flange
branched
the
leakage
source,
poisoning.
installation
and
pipe
the
length
the
length
connections
sections
while
such
Never
the
valve
of
less
than
using
as
weld
of
with
70mm)
for
are
brazed.
a
gas
the
refrigerant
a
the
fire
in
piping
or
stove,
an
of
it
After
Open
the
valve
WARNING
completing
Pipe
joint
passing
Flare
with
a
Cap:
tion,
cap:
Service
the
reattach
service
Liquid
Gas
Elbow
nitrogen
nut:
both
ends.
refrigerator.
Remove
always
25Nm
port:
service
cups
cap:
pipe
pipe
joint:
status
when
both
the
areina
straight
work,
securely
(auxiliary
Loose
reattach
through
or
Coat
caps
parts):
tighten
the
flare
and
operate
caps
Securely
the
flare
(tightening
(250kg-cm)ormore).
Make
the
refrigerant
port
14Nm
Elbow
for
after
additional
filling
completing
(140kg-cm)ormore).
welding
(Non-acid
pipe
line.
tighten
service
connection
work
and
both
service
perform welding
valve
port.
nut
by
using
part
etc.
valve,
After
torque
pipe
empty
refrigerant.
(tightening
weldinginwelding)
the
with
of
valve
and
Always
ports
wrench
oil
opera-
use
torque
by
for
and
of
Ball
so
caps
Valve(Liquid
that
gas
Pipe)
does
not
leak.
Elbow
Ball
Valve(Gas
Installation
Pipe)
Manual
31
Refrigerant
piping
installation
Connection
Sub
Outdoor
Unit
1.
For
the
High/Low
elbows
using
2.
For
cutting
within
the
3.
For
leakage
4.
Continue
5.
Open
vacuum
side
2
Outdoor
provided
the
pipe,
Otherwise,
pipe.
inspection
bar
with
of
High/Low
pressure
connect
of
work
after
the
hex
Main
Outdoor
Units
common
the
the
the
the
wrench.
Unit
High/Low
product
work
vacuum
pipe,
may
part,
pressure
connect
pressure
not
operate
pressurize
degree
reachesto0.5Torr
both
Main
common
due
nitrogen
common
Outdoor
pipe
to
sludge
gas
Sub2
Outdoor
Unit
after
by
2.94Mpa
Unit
and
removing
within
pipe
Sub1
Outdoor
Unit
3
Outdoor
Sub
(1,
2)
burrs,
the
pipe.
(30kgf/cm2).
Main
Outdoor
Outdoor
dusts
Unit
Units
and
Unittothe
foreign
materials
pipe
by
Connect
installing
For
part.
out.
WARNING
After
installing
(Wire
may
the
pipebyusing
pipe
in
the
installing
the
be
damaged
the
the
pipe
pipe,
the
front,
in
clog
due
Low
install
side,
the
to
Pressure
the
only pipe
install
the
pipe
entering
connection
knock
whole
excavation
of
rats,
out
of
pipe
animals,
elbow. For
hole
knock
inletofthe
etc).
front
panel
and
the
Knock
Transmission
Power
Pipe
side
out
Cable
Hole
panel
Line
Hole
Hole
32
Outdoor
Unit
Refrigerant
piping
installation
Connection
2
Outdoor
Connection
After
cuttingtolength
cut
(Don't
than
3
Connection
After
(Don't
less
Ø
the
70mm)
Sub
Outdoor
Pipe
Ø
28.58
(9/8
Branch
Outdoor
cuttingtolength
cut
the
than
70mm)
Sub2+Sub1
Unit
Connection
28.58(9/8
inch)
Units
pipe
Gas
Pipe
Units
of
Sub1
Unit
pipe
Outdoor
Pipe
inch)
of
for
less
Gas
of
of
Liquid(Gas)
of
Gas
Weld
elbow
flowing
nitrogen.
Ø
28.58
(9/8
inch)
Connection
between
pipe
Outdoor
Gas
Pipe
Ø
28.58
(9/8
inch)
pipe
while
Weld
flowing
Main
Gas
Main
Gas
Pipe
Ø
38.1(11/4
Outdoor
elbow
nitrogen.
Outdoor
Pipe
Outdoor
while
pipe
inch)
Units:
ARBL202C
Sub
Liquid
Ø
12.7(1/2
After
(Don't
less
Connection
Outdoor
Pipe
inch)
cuttingtolength
cut
the
than
70mm)
Sub2+Main
Unit
Ø
Outdoor
Connection
38.1(11/4
Ø
Sub1
Unit
pipe
Pipe
inch)
of
12.7(1/2
Outdoor
Gas
of
Liquid
inch)
Pipe
Ø
28.58
(9/8
pipe
Main
H/P
Main
inch)
Outdoor
Pipe
Pipe
Weld
elbow
flowing
Main
Gas
Ø
19.05
(3/4
inch)
while
nitrogen.
Outdoor
Pipe
Branch
Connection
Sub2+Sub1Outdoor
Connection
Ø
12.7(1/2inch)Ø12.7(1/2inch)
Branch
Pipe
Pipe
Pipe
for
Connection
of
for
Connection
Liquid
Unit
CAUTION
Both
the
High/Low
pressure
between
pipe
Main
between
Pipe
common
Ø
38.1(11/4
Outdoor
Outdoor
inch)
Units:
Ø
19.05(3/4
Units:
pipe
ARBL202C
ARBL202C
and
inch)
the
Branch
Sub1+Main
Unit
Connection
Ø19.05(3/4
Branch
H/P
pipe
Pipe
Pipe
shall
for
Outdoor
Pipe
inch)
for
be
Connection
Ø
12.7(1/2inch)
Connection
insulated
Main
Pipe
between
Main
between
by
Installation
Ø
44.5(13/4
Outdoor
Pipe
Ø22.2(7/8
Outdoor
insulation
Units:
Units:
material.
Manual
inch)
ARBL302C
inch)
ARBL302C
33
Refrigerant
piping
installation
Areas
1.
Use
?
2.
Commercially
dry
3.
Use
4.
Reduce
possible.
5.
Always
6.Ifthe
7.
8.Asecond
of
caution
the
following
Material:
inert
ARBL052S ARBL102S
ARBL052L
the
Always
high/low
Failuretodo
Seamless
gas.
care
to
the
use
diameters
connecting
observe
pressures,
branch
available
prevent
number
the
branch
ARBL102G
of
section
the
so
can
materials
ARBL102L
cannot
phosphorous
piping
water
dust,
of
bending
piping
Y
branch
the
branch
and
restrictions
and
piping
in
result
be
for
refrigeration
deoxidized
often
or
other
portions
set
shown
ARBL202S
ARBL202L
ARBL202M
piping
then
use
on
the
diameter).
equipment
made
afteraheader.
contains
contaminants
as
below,
of
the
an
adapter
refrigerant
failure
piping.
copper
dust
and
much
as
which
ARBL302S
ARBL302L
designated
for
piping
or
a
(These
pipe
other
materials.
from
entering
possible,
are
sold
refrigerant
connecting
(such
decline
in
are
piping
bending
blowitclean
during
and
Always
the
make
separately.
Header
4
branch
ARBL054 ARBL057
ARBL104 ARBL107
piping
different
as
rated
heating/cooling
shown
by
differs,
diameters
length,
.)
7
branch
the
performance.
radius
use
a
to
difference
with
installation.
as
big
10
ARBL1010
ARBL2010
cuttertocut
pipe
connect
the
between
a
as
branch
piping.
To
Outdoor
A
B
Capped
9.
The
always
of
additional
10.
Never
formance.
11.
Never
12.
Always
mance,
13.
When
closed
has
completed.
14.
Always
used,
A
Unit
Piping
V
Multi
properly
perform
use
insulate
water
connecting
(the
been
use
it
could
Series
will
stop
charge
refrigerant
a
pump
the
at
due
unit.
both
down.
refrigeranttoperform
the
piping
properly.
from
drops
factory
connected,
a
non-oxidizing
cause
the
condensation
refrigerant
setting)
and
a
refrigerant
brazing
cloggingordamage
to
an
abnormality
When
locations.
This
an
Insufficient
piping,
do
not
leakage
material
servicing,
will
not
air
purge.
and
other
make
operate
test
for
to
the
like
always
only
Always
insulation
such
sure
it
until
has
brazing
compressor
A
excessive
damage
problems.
the
service
the
been
or
check
the
the
evacuate
will
result
valvesofthe
refrigerant
performed
the
parts.
unit.
insufficient
notes
compressor
using
in
a
piping
and
If
a
non-oxidizing
refrigerant.
concerning
but
a
vacuum
Outdoor
for
the
evacuation
in
decline
the
At
such
length
and
pipe
also
deteriorate
pump.
heating/cooling
Unit
is
completely
outdoor
process
brazing
and
material
Indoor
a
time,
amount
the
perfor-
has
is
B
per-
Units
been
not
34
Outdoor
Unit
Loading...