LG | C09AWW-SU0 | LG C09AWW SU0 Owner’s Manual

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LG
LG Room
Air Conditioner
INSTALLATION MANUAL
MODELS: SU/SZ Chassis
IMPORTANT
?
Please read this instruction manual
completely
before
installing the product.
?
?
When the power cord is damaged, replacement should be
performed by authorized personnel only.
Installation work must be
the national
performed in accordance with
wiring standards by authorized personnel
only.
?
Please retain this installation manual for future reference
after
reading it thoroughly.
ENGLISHTAOPFRCDU
Room Air Conditioner Installation Manual
TABLE OF CONTENTS
Installation
Required
Requirements
Safety
Precautions ............................3
Four
type "A"
Parts
screws
&
plastic
anchors
Introduction ........................................7
Connecting
Features ...........................................7
Installation ..........................................8
Installation
cable
Electric drill
Hole
Installation
Pipes:
guide
map
Liquid side ...................1/4"
(Refer to page 11)
parts...............................8
Insulation materials
Installation
Additional drain
map................................9
the best location ...........10
and elevation...........11
Piping length
Fixing
Drilling
installation
plate ..................12
hole in the wall ...............12
a
(Outer
core
drill(ø70mm)
Horizontal meter
Gas side ......................1/2"
Installation tools ...............................8
Selecting
Level gauge
Screw driver
used in this manual..........7
Symbols
Required Tools
diameter
pipe
..............15.5mm)
Flaring
tool set
Specified torque wrenches
1.8kg.m, 4.2kg.m, 5.5kg.m,
6.6kg.m
(different depending on model No.)
Spanner ........................Half
Twotype"B"screws
Aglassofwater
Screw driver
Flaring work ...................................13
Connecting
the
Connecting
the cables ..................20
Checking
Forming
Air
..................14
drainage
..................22
piping.........................23
purging......................................24
Test
running
Hexagonal wrench(4mm)
Gas-leak detector
the
the
piping
Vacuum pump
Gauge
manifold
...................................26
Owner's manual
Thermometer
Remote control holder
2
Room Air Conditioner
union
Safety
Safety
Precautions
To prevent the injury of the
must be followed.
Be
sure
Be
sure
Precautions
to read before
user or
installing
other
people
and property
damage,
the
following
instructions
the air conditioner.
to observe the cautions
specified here as they include important items related to safety.
operation due to ignoring instruction will cause harm or damage. The seriousness is
classified by the following indications.
Incorrect
The
meanings
of the
This
symbol
This
symbol
symbols
indicates the
indicates the
possibility
possibility
used in this manual
are as
Be
Be
sure
sure
of
of death
injury
or
or
serious
damage
injury.
properties only.
to
shown below.
not to do.
to follow the instruction.
Installation
Don't use a power cord, a
socket which is damaged.
Always perform grounding.
?
Otherwise, it may
cause
electrical shock.
?
Otherwise, it may
cause a
plug
fire
or
or a
loose
electrical
shock.
For installation of the
Securely attach the electrical part cover to
panel to the
product, always
or a professional
contact the service center
the indoor unit and the service
installation agency.
?
Otherwise, it may
explosion
or
cause a
injury.
outdoor unit.
fire, electrical shock,
?
If the electrical part cover of the indoor unit and
panel of the outdoor unit are not
the service
attached
securely,
it could result in
a
fire
or
electric shock due to dust, water, etc.
Installation Manual
3
Safety
Precautions
air
Always install
an
breaker and
dedicated
switching
a
Do not
leakage
board.
?Noinstallationmaycausea
?
fire and electrical shock.
keep
a
Otherwise, it may
the failure of
cause a
It will
?
cause a
fire
or
electrical
place that ther
of falling down.
a
?
shock.
not
fire
?
product.
Do not install the
or
installation
conditioner.
Wax
Do not disassemble
an
frame of the outdoor unit is
or
repair the product randomly.
Ensure that
or use
flammable gases or
combustibles near the air
damaged
long time.
It may cause
accident.
due to
injury
use
for
or an
Thinner
product
is
Use caution when
at
unpacking
concern
Otherwise, it may result in
?
personal injury.
and
Sharp edges
injury.
installing.
may
cause
Operation
Do not
appliances.
power cord.
It will
cause an
?
Do not share the outlet with
other
or a
electric shock
?
fire due to heat
use
the
modify or extend the
randomly.
power cord
Otherwise, it may
or
Do not
damaged
cause a
fire
?
electrical shock.
Otherwise, it may
or
cause a
fire
electrical shock.
generation.
Take
care so
Unplug the unit if strange
sounds, smell, or smoke
that the power
cord may not be
pulled
during operation.
?
Otherwise, it may
or
4
cause a
electrical shock.
Room Air Conditioner
comes
fire
?
Keep the
flames away.
from it.
Otherwise, it may
electrical shock
cause
or a
fire.
?
Otherwise, it may
cause a
fire.
Safety
Take the power
plug out if
necessary, holding the head
of the plug and do not touch
Do not
near
the power cord
heating tools.
Do not open the suction
inlet of the indoor/outdoor
use
the
Precautions
unit
during operation.
it with wet hands.
?Otherwise,itmaycauseafire
or
?Otherwise,itmaycauseafire
electrical shock.
?
and electrical shock.
Do not allow water to
Hold the
run
when
into electrical parts.
plug by the
taking it out.
Otherwise, it may electrical
shock and failure.
head
Never touch the metal
of the unit when
parts
removing
the filter.
?Otherwise,itmaycausethe
failure of machine
or
?
electrical
It may cause electric shock
and damage.
?
They
sharp
injury.
are
cause
and may
shock.
Do not
do not
?
It may
unit or
step on the indoor/outdoor unit and
put anything on it.
cause an
falling
injury through dropping
of the
Do not
?
down.
Otherwise, it may
shock.
cause a
a
heavy object
on
the power
Otherwise, it may
cause a
fire
or
electrical
shock.
Take
Whentheproductissubmergedintowater,
always contact the service center.
?
place
cord.
fire
or
electrical
care so
that children may not step
on
the outdoor unit.
?
Otherwise, children may be seriously injured
due to
falling
down.
Installation Manual
5
Safety
Precautions
Installation
Install the drain hose to
can
be
securely
Otherwise, it may
?
ensure
that drain
Install the
done.
cause
product
so
that the noise
wind from the outdoor unit may not
any damage to the neighbors.
water
leakage.
?
Otherwise, it may
cause
dispute
or
hot
cause
with the
neighbors.
Always inspect gas leakage after the
installation and repair of product.
Otherwise, it may
?
cause
the failure of
product.
Keep
?
level
parallel
Otherwise, it may
in
installing the product.
cause
vibration
or
water
leakage.
Operation
Avoid excessive
cooling
and
Use
perform
ventilation sometimes.
Otherwise, it may do harm
?
a
soft cloth to clean. Do not
thinner,
to your health.
?
or a
use
wax,
strong detergent.
The appearance of the air conditioner may
deteriorate, change color, or develop surface
flaws.
Wax
Do not
appliance for special purposes
preserving animals vegetables,
precision machine, or art articles.
such
?
Do not
use an
as
Otherwise, it may damage your properties.
or
?
Room Air Conditioner
around the flow inlet
outlet.
Otherwise, it may
or an
6
place obstacles
Thinner
accident.
cause
the failure of
appliance
Introduction
Introduction
Symbols
used in this Manual
This
symbol
alerts you to the risk of electric shock.
This
symbol
alerts you to hazards that may
cause
harm to the
air conditioner.
NOTICE
This
symbol
indicates
special
notes.
Features
Air Inlet
NANO Plasma Filter
Air Filter
Air
Discharge
Front Panel
Power Cord
Signal Receptor
Power button
Air Intake Vents
Air Intake Vents
Connecting
Wires
Connecting
Wires
Air Outlet Vents
Piping
Piping
Drain Hose
Drain Hose
Base Plate
Air Outlet Vents
Base Plate
Installation Manual
7
Installation
Installation
Read
carefully,
and then follow step
by step.
Installation Parts
Installation
Type
"B"
plate
Type
"A"
screw
and
plastic anchor
Remote control holder
screw
Installation Tools
Figure
Name
Figure
Screw driver
Ohmmeter
Electric drill
Hexagonal wrench
Measuring tape,
Hole
core
Knife
drill
Spanner
Torque wrench
8
Room Air Conditioner
Name
Ammeter
Gas-leak detector
Thermometer,
Horizontal meter
Flaring
tool set
Installation
NOTICE
Installation
Map
parts you should purchase.
Air
filter
Installation
Sleeve
plate
Bushing-Sleeve
Putty(Gum Type Sealer)
Bend the
on
pipe
the wall
as
as closely
possible,
but be careful that it
doesn't break.
Vinyl tape (Wide)
To carry out the drainage
test, remove the air filters
?
and pour water into the heat
Saddle
exchanger.
Apply after carrying
drainage test.
?
Gas side
Liquid
out
piping
piping
side
Additional drain
a
(Optional Part)
(Optional Part)
pipe
Vinyl tape (Narrow)
Connecting cable
(Optional Part)
Installation Manual
9
Installation
Select the best Location
Indoor unit
1. Do not have any heat
2. Select
a
place
or
steam
where there
near
are no
the unit.
obstacles
in front of the unit.
3. Make
sure
that condensation
drainage
4. Do not install
near a
(or right)
of the unit is
a
more
50cm. The unit should be installed
10cm from
6. Use
the wall,
on
More than 10cm
doorway.
5. Ensure that the interval between
possible
5cm
routed away.
conveniently
the left
More than
be
can
allowing
a
wall and
More than
5cm
than
as
high
More than 2.3m
as
minimum of
ceiling.
stud finder to locate studs to prevent
unnecessary damage to the wall.
a
CAUTION: Install the indoor unit
floor is
more
on
the wall where the
height
from the
than 2 meters.
Outdoor unit
1. If
an
awning is built over the unit to prevent
sunlight or rain exposure, make sure
direct
that heat radiation from the condenser is not
restricted.
More than 60cm
2. Ensure that the space around the back and
sides is more than 10cm. The front of the unit
should have
3. Do not
of the
more
place
warm
More than 10cm
than 70cm of space.
animals and
plants
in the
path
air.
More
More than 70cm
4. Take the
weight
of the air conditioner into
account and select
vibration
5. Select
a
are
a
place
where noise and
minimum.
place
where the
warm
air and noise
from the air conditioner do not disturb
neighbors.
10
More than 10cm
Room Air Conditioner
than 60cm
Installation
Piping Length
and Elevation
Pipe
Size
Standard
Additional
Capacity
(Btu/h)
GAS
LIQUID
Length (m)
9k
3/8"
1/4"
4or5
7
15
20
12k
1/2"
1/4"
4or5
7
15
20
Max.
Elevation B
Max.
A
(m)
(m)
Length
Refrigerant (g/m)
Indoor unit
Outdoor unit
Outdoor unit
A
B
A
Outdoor unit
Indoor unit
Oil
B
trap
A
Indoor unit
B
If
CAUTION:
allowance
Capacity
length is
is based
on
on
standard
the basis of
length
reliability.
piping length
is
more
than 5m
and maximum
Oil trap should be installed every 5~7meters.
Installation Manual
11
Installation
Fixing
Installation Plate
The wall you select should be strong and solid
enough to prevent vibration
Installation Plate
1. Mount the installation
type "A"
concrete
screws.
wall,
If
use
plate on the wall with
mounting the unit on a
anchor bolts.
Mount the installation
plate horizontally by
aligningthecenterlineusingalevel.
?
Type
"A"
screw
2. Measure the wall and mark the centerline. It
is also
important
caution
concerning
plate-routing
of the wiring to power outlets is through the
walls typically. Drilling the hole through the
wall for piping connections must be done
safely.
to
use
the location of the installation
(SU)
C
Installation
D
plate
B
A
Ø70mm
Distance
CHASSIS
(Grade)
92
(9k~12k)
?
rear
piping
Right
rear
Ø70mm
piping
ABCD
SU
Drill
Left
(mm)
a
44
67
44
Hole in the Wall
Drill the
piping hole with a ø70mm hole core
piping hole at either the right or
with the hole slightly slanted to the
WALL
drill. Drill the
the left
Indoor
Outdoor
outdoor side.
5-7m
12
Room Air Conditioner
(3/16"~5 )
Installation
Work
Flaring
Main
cause
for gas
leakage
is due to defect in
flaring
work.
Carry
flaring
out correct
work in the
following procedure.
Cut the
and the cable.
pipes
1. Use the
piping kit accessory
purchased locally.
or
the
pipes
2. Measure the distance between the indoor and
Copper
pipe
Slanted
90°
Uneven
Rough
the outdoor unit.
3. Cut the
pipes
a
little
longer
than measured
distance.
4. Cut the cable 1.5m
longer
than the
pipe length.
Burrs removal
1.
Completely remove all
section of pipe/tube.
burrs from the cut
2. Put the end of the copper
downward direction
tube/pipe
in
Pipe
cross
Reamer
a
Point down
you remove burrs in
order to avoid dropping burrs into the tubing.
Putting
?
as
nut on
Flare nut
Remove flare nuts attached to indoor and
outdoor unit, then put them
completed burr removal.
(not possible
Flaring
to
put them
on
pipe/tube having
Copper tube
on
after
flaring work)
work
1.
Firmly hold copper pipe in
showninthetablebelow.
2.
Carry
out
flaring
a
die in the dimension
work with the
Outside diameter
Handle
flaring
tool.
Bar
"A"
Bar
Yoke
A
mm
inch
Ø6.35
1/4
0~0.5
Ø9.52
3/8
0~0.5
Ø12.7
1/2
0~0.5
Ø15.88
5/8
0~1.0
Ø19.05
3/4
1.0~1.3
mm
Cone
Copper pipe
Clamp
handle
Red
arrow
mark
Installation Manual
13
Installation
Check
1.
the flared work with the
Compare
2. If
figure by.
Smooth all round
Inside is
flared section is defective, cut it off and
do flaring work again.
a
shiny
=
Inclined
the
Improper flaring
Surface
damaged
Even length
all round
Connecting
without scratches
=
Cracked Uneven
thickness
Piping
Indoor
1.
Prepare
the indoor unit's
piping
and drain hose for installation
through
the wall.
2. Remove the
illustration
plastic tubing retainer(see the
by) and pull the tubing and drain
hose away from chassis.
3.
Replace the plastic tubing
original position.(Optional)
For
right rear piping
1. Route the indoor
the direction of
2. Insert the
tubing and
right.
?
the drain hose in
rear
cable into the indoor unit
connecting
from the outdoor unit
?
holder in the
through
the
piping
hole.
Drain hose
Do not connect the cable to the indoor unit.
Make
a
small
loop
with the cable for easy
connection later.
3.
Tape the tubing, drain hose, and the
connecting cable. Be sure that the drain
hose
is located at the lowest side of the bundle.
Locating
at the uper side
can cause
drain pan
to overflow inside the unit.
CAUTION: If the drain hose is routed
inside the room, insulate the hose with
insulation material* so that dripping
an
"sweating"(condensation) will not
damage furniture or floors.
*Foamed polyethylene or equivalent is
from
recommended.
14
Room Air Conditioner
Tape
Connecting
pipe
Drain hose
Connecting
cable
Installation
4. Indoor unit installation
Hook the indoor unit onto the upper portion of
plate.(Engage the two hooks
the installation
of the
rear
Connecting
cable
top of the indoor unit with the
upper edge of the installation plate.) Ensure
that the hooks are properly seated on the
installation
it left and
plate by moving
Drain hose
right.
Press the lower left and
against
right sides of the unit
plate until the hooks
slots(clicking sound).
the installation
engage into their
indoor unit and
Connecting the piping to the
pipe.
drain hose to drain
1.
2.
Align the center
tighten the flare
Tighten
of the
pipes
by
hand.
nut
the flare nut with
a
and
mm
inch
Torque
kg.m
Ø6.35
1/4
1.8
Ø9.52
3/8
4.2
Ø12.7
1/2
5.5
extending
Indoor unit
tubing
Flare nut
Pipes
wrench.
Outside diameter
3. When
sufficiently
wrench
Open-end
(fixed)
Flare nut
Wrench
Indoor unit
Connection
pipe
tubing
the drain hose at the indoor
unit, install the drain pipe.
Drain
pipe
Indoor unit drain hose
Adhesive
Vinyl tape(narrow)
the insulation material around the
Wrap
connecting portion.
1.
Overlap
Plastic bands
the connection
material. Bind them
so
2.
insulation
pipe
material and the indoor unit
pipe
with
together
that there may be
no
Insulation material
insulation
vinyl tape
gap.
Wrap the area which accommodates the
piping housing section with vinyl tape.
rear
Connection
Indoor unit
pipe
Wrap
Vinyl tape (wide)
Connecting cable
with
pipe
vinyl tape
Pipe
Vinyl tape(narrow)
3. Bundle the
wrapping
cover
piping
where
housing
and drain hose
them with
they
vinyl tape
fit into the
for
rear
together by
enough to
piping
Wrap
with
vinyl tape
Pipe
section.
Vinyl tape(wide)
Drain hose
Installation Manual
15
Installation
For left
rear
piping
1. Route the indoor
tubing and the drain
therequiredpipingholeposition.
hose to
1
2
2. Insert the
piping, drain hose, and the
connecting cable into the piping hole.
3. Insert the
?
?
Connecting
cable
cable into the indoor unit.
connecting
Drain
Don't connect the cable to the indoor unit.
Make
a
small
loop
pipe
with the cable for easy
connection later.
4.
Tape
the drain hose and the
connecting
cables.
5. Indoor unit installation
?
the indoor unit from the hooks at the
Hang
Indoor unit
top of the installation plate.
?
Spacer
Insert the spacer etc. between the indoor
unit and the installation plate and separate
Installation
the bottom of the indoor unit from the wall.
plate
8cm
Connecting the piping
to the indoor unit and
the drain hose to drain
1.
2.
Align the center
tighten the flare
Tighten
of the
pipe.
pipes
by
hand.
nut
the flare nut with
a
Outside diameter
mm
inch
and
sufficiently
Indoor unit
Pipes
Open-end wrench (fixed)
Torque
kg.m
1/4
1.8
Ø9.52
3/8
4.2
Ø12.7
1/2
5.5
Flare nut
Wrench
Indoor unit
extending
Flare nut
wrench.
Ø6.35
3. When
tubing
Connection
pipe
tubing
the drain hose at the indoor
unit, install the drain pipe.
Drain hose
Indoor unit drain hose
Adhesive Vinyl
16
Room Air Conditioner
tape (narrow)
Installation
Wrap the insulation material around the
connecting portion.
1. Overlap the connection pipe heat insulation
and the indoor unit pipe heat insulation
material. Bind them together with vinyl tape
so
2.
that there may be
no
Plastic bands
Insulation material
gap.
Wrap the area which accommodates the
piping housing section with vinyl tape.
rear
Indoor
unit piping
Connection
pipe
Vinyl tape
(wide)
Wrap
with
vinyl tape
Pipe
Vinyl tape(narrow)
Connecting
3. Bundle the
piping
and drain hose
together by
them with cloth tape over the range
within which they fit into the rear piping
wrapping
housing
cable
Pipe
Drain hose
Vinyl tape(narrow)
section.
Wrap with
vinyl tape(wide)
Reroute the
pipings
and the drain hose
the back of the chassis.
across
Piping for
through
piping hole
passage
Set the
pipings
and the drain hose to the
back of the chassis with the
?
Hook the
tubing
holder.
tubing holder to tap on
the bottom of tubing holder
edge
push
engaged at the
chassis and
to be
of
bottom of chassis.
Tubing
Indoor unit installation
holder
1. Remove the spacer.
2. Ensure that the hooks
the installation
are properly seated
plate by moving it left and
on
right.
3. Press the lower left and
right sides of the unit
against the installation plate until the hooks
engage into their slots(clicking sound).
Connecting
cable
Drain hose
Installation Manual
17
Installation
CAUTION: Installation Information
For left
Good
?
Press
Bad
?
piping.
case
on
the upper side of
clamp
and unfold the
tubing
to downward
slowly.
case
Following bending type
18
Follow the instruction below.
from
Room Air Conditioner
right
to left may
cause
damage
to the
tubing.
Installation
Outdoor
Align the center
tighten the flare
Finally, tighten
of the
nut
pipings
by
and
sufficiently
hand.
the flare nut with torque wrench
until the wrench clicks.
?
When
tightening
wrench,
ensure
follows the
Outdoor unit
the flare nut with torque
the direction for
arrow on
tightening
Liquid side piping
(Smaller diameter)
the wrench.
Gas side
Outside diameter
mm
inch
Torque
kg.m
Ø6.35
1/4
1.8
Ø9.52
3/8
4.2
Ø12.7
1/2
5.5
Ø15.88
5/8
6.6
Ø19.05
3/4
6.6
piping
(Bigger
diameter)
Torque wrench
Installation Manual
19
Installation
the Cables
Connecting
Indoor
Connect the cable to the indoor unit
individually according
by connecting
the wires to the terminals
to the outdoor unit connection.
outdoor unit and the terminal No.
are
the
same as
(Ensure
on
the control board
that the color of the wires of the
those of the indoor
unit.)
CAUTION:
?
The above circuit
?
The earth wire should be
diagram is subject to change without notice.
longer than the common wires.
refer
to
the
circuit diagram behind the panel front
installing,
?
When
of the
indoor unit.
?
Connect the wires
?
Connect the wires
CAUTION: If
not
a
firmly so that they may not be pulled out easily.
according to color codes, referring to the wiring diagram.
power plug is
a circuit
Main power
source
used, provide
breaker between power source
as shown by.
Air
and the unit
Conditioner
Circuit Breaker
Use
or
a
circuit breake
time
delay
fuse.
CAUTION: The power cord connected to the "A" unit should be selected
to the following specifications(Type "B" approved by HAR or
according
SAA).
(mm2)
Grade
NORMAL CROSS
-SECTIONAL AREA
Unit(A)
Cable
Type(B)
7k~9k
12k
1.0
1.5
18k
2.5
Indoor
Indoor
Indoor
H05VV-F
H05VV-F
H05VV-F
The power connecting cable connecting the indoor and outdoor unit
should be selected according to the following specifications (Type "B"
approved by
HAR
or
SAA).
(mm2)
NORMAL
CROSS
7k~9K
12k
AREA
1.0
1.5
2.5
Cable Type(B)
H07RN-F
H07RN-F
H07RN-F
-SECTIONAL
20
Room Air Conditioner
Grade
18k
Installation
Outdoor
1. Remove the control
loosening
the
cover
from the unit
Connect the wires to the terminals
control board
by
Outdoor Unit
screw.
on
the
Terminal block
individually.
2. Secure the cable onto the control board with
Over 5mm
thecordclamp.
3. Refix the control
with the
4. Use
a
cover
to the
original position
screw.
circuit breaker
recognized
20A(14k)
between the power source and the unit.
A disconnecting device to adequately
disconnect all
Connecting
cable
Connecting
cable
lines must be fitted.
supply
Cover control
Grade
Circuit
Breaker
7k~14k
18k
(A)
15
20
CAUTION:
According to the confirmation
wiring as follows.
of the above conditions,
prepare the
1. Never fail to have an individual power circuit
the method of
wiring,
be
guided by the
specifically for the air conditioner. As for
diagram posted on the inside of control
circuit
cover.
2. The
which fasten the
in the
casing of electrical fittings are liable to come
subjected during the course of
Check
them
and
make
sure
that they are all tightly fastened. (If they
transportation.
are loose, it could cause burn-out of the wires.)
screw
wiring
loose from vibrations to which the unit is
3.
of power
Specification
source.
4.Confirmthatelectricalcapacityissufficient.
5.Seetothatthestartingvoltageismaintainedatmorethan90percentoftherated
voltage marked on the name plate.
6. Confirm that the cable thickness is as specified in the power source specification.
(Particularly note the relation between cable length and thickness.
7. Always install an earth leakage circuit breaker in a wet or moist area.
8. The
?
would be caused
following
Vibration of
a
by voltage drop.
magnetic switch, which will damage the
contact
point,
fuse
breaking,
disturbance of
the normal function of the overload.
9. The
means
wiring
for disconnection from
and have
an
air gap contact
power supply shall be incorporated in the fixed
separation of at least 3mm in each active(phase)
a
conductors.
Installation Manual
21
Installation
Checking
To check the
1. Pour
a
glass
the
Drainage
drainage.
of water
the evaporator.
on
Connecting
area
drain hose
2. Ensure the water flows
through
the drain
hose of the indoor unit without any
and goes out the drain exit.
leakage
Leakage
checking
Drain pan
Drain
hose
Leakage
checking
Drain
piping
1. The drain hose should
point
downward for
Downward
easy drain flow.
2. Do not make drain
piping
like the
following.
Accumulated
Do not raise
drain water
Tip of drain hose
dipped in water
Air
22
Water
Water
leakage
leakage
Room Air Conditioner
slope
Waving
Water
leakage
Ditch
Less than
50mm gap
Installation
Forming
the
Piping
Form the
piping by wrapping the
connecting portion of the indoor
with insulation material and
with two kinds of
?
unit
secure
vinyl tapes.
it
Seal small
around
openings
pipings with a
gum type sealer.
Taping
If you want to connect an additional drain
hose, the end of the drain outlet should be
routed above the
hose
ground.
appropriately.
Drain hose
Secure the drain
Pipings
In
cases
Connecting
where the outdoor unit is
cable
installed below the indoor unit
perform
1.
the
following.
Tape the piping, drain hose
cablefromdowntoup.
and
connecting
tapped piping along
using saddle or equivalent.
the exterior
2. Secure the
wall
In
cases
1.
Tape
the
is required to prevent water
entering into electrical parts.
Seal a small opening
around the pipings
with gum type sealer.
the
following.
piping
and
connecting
cable from
down to up.
2. Secure the
wall. Form
the
from
where the Outdoor unit is
installed above the Indoor unit
perform
Trap
Trap
taped piping along
a
trap
to
prevent
the exterior
water
entering
room.
3. Fix the
piping
equivalent.
onto the wall
by
saddle
or
Trap
Installation Manual
23
Installation
Air
Air
Purging
purging
The air and moisture
remaining
1. Pressure in the
2.
3.
4.
in the
refrigerant system
have undesirable effects
as
indicated below.
system rises.
Operating current rises.
Cooling(or heating) efficiency drops.
Moisture in the refrigerant circuit may
freeze and block
capillary tubing.
5. Water may lead to corrosion of
parts in the refrigeration system.
Therefore, after evacuating the system, take a leak test for the piping and tubing between the
indoor and outdoor unit.
Air
1.
?
purging
with
vacuum
pump
Preparation
Check that each
tube(both liquid and gas side tubes) between the indoor and outdoor units have been
wiring for the test run has been completed. Remove the service valve caps
from both the gas and the liquid side on the outdoor unit. Note that both the liquid and the gas side
service valves on the outdoor unit are kept closed at this stage.
properly
connected and all
2. Leak test
?
Connect the manifold
charge
valve(with
CAUTION: Be
available,
sure
use a
valve must
?
pressure
gauges)
and
dry nitrogen
gas
cylinder to
this service port with
hoses.
always
Pressurize the system to
valve when the gauge
to use a manifold valve for air
purging.
If it is not
stop valve for this purpose. The "Hi" knob of the manifold
be
kept
close.
than 150 P.S.I.G. with dry nitrogen gas and close the
reached 150 P.S.I.G. Next, test for leaks with liquid soap.
no more
reading
cylinder
CAUTION: To avoid
nitrogen entering the refrigerant system in a liquid state, the
higher than its bottom when you pressurize the system.
cylinder is used in a vertical standing position.
top of the cylinder
Usually, the
1. Do
a
leak test of all
tubing(both
joints of the
outdoor)
liquid side
indoor and
and both gas and
service valves.
Bubbles indicate
wipe
must be
a
Manifold valve
Indoor unit
Pressure
leak. Be
off the soap with
a
sure
gauge
to
clean
cloth.
Outdoor unit
2. After the
system is found
nitrogen
pressure by loosening the charge
hose connector at the nitrogen
cylinder. When the system pressure
is reduced to normal, disconnect
24
cylinder.
Room Air Conditioner
hose
to be free
of leaks, relieve the
the hose from the
Charge
Nitrogen gas
cylinder(in vertical
standing position)
Lo
Hi
Installation
water method
Soap
1. Remove the caps from the
2. Remove the
service-port
3. To open the
2-way
counterclockwise
2-way and 3-way valves.
Liquid
side
cap from the 3-way valve.
valve turn the valve stem
approximately 90°,
wait for about
2~3sec, and close it.
4.
soap water or a liquid neutral detergent
the indoor unit connection or outdoor unit
Apply
a
Gas side
on
connections
by a soft brush to check for leakage
connecting points of the piping.
If bubbles come out, the pipes have leakage
2-way valve
(Open)
of
the
5.
3-way valve
(Close)
Evacuation
1. Connect the
Hexagonal
charge
wrench
Cap
hose end described in the
preceding steps to the vacuum pump
evacuate the tubing and indoor unit.
to
Confirm the "Lo" knob of the manifold valve is
open. Then, run the vacuum pump.
The operation time for evacuation varies with
Indoor unit
tubing length and capacity of the pump. The
following table shows the time required for
evacuation.
Required
If
time for evacuation when 30
pump is used
If
tubing length is less
than 10m (33 ft)
10 min.
15 min.
vacuum
vacuum
tubing length is longer
than 10m (33 ft)
or more
2. When the desired
gal/h
Outdoor unit
or more
is reached, close the
"Lo" knob of the manifold valve and stop the
vacuum
pump.
Finishing
1. With
the
job
service valve wrench, turn the valve stem
of liquid side valve counter-clockwise to fully
a
open the valve.
2. Turn the valve stem of gas side valve counterclockwise to fully open the valve.
charge hose connected to the gas
side service port slightly to release the pressure,
then remove the hose.
Manifold valve
Pressure
Lo
Hi
gauge
3. Loosen the
4.
Replace
the flare nut and its bonnet
on
Close
Open
the gas
side service port and fasten the flare nut
securely with an adjustable wrench. This
process is very important to prevent
from the system.
5.
leakage
Replace the valve caps at both gas and liquid
side service valves and fasten them tight.
This
completes
air
purging
The air conditioner is
now
with
a vacuum
ready
to test
Vacuum pump
pump.
run.
Installation Manual
25
Installation
Test
Running
1. Check that all
and
tubing
2. Check that the gas and
are
properly
connected.
side service valves
liquid
are
fully
open.
remote controller
Prepare
1. Remove the
battery
according
to the
2. Insert
new
and
of
(--)
wiring
cover
arrow
batteries
battery
3. Reattach the
making
are
sure
installed
by pushing
cover
it
by pulling
direction.
that the
(+)
correctly.
it back into
position.
NOTICE
?
?
Use 2
AAA(1.5volt) batteries.
rechargeable batteries.
Do not
use
Remove the batteries from the remote
controller if the system is not used for
time.
a
long
Settlement of outdoor unit
1. Anchor the outdoor unit with
2.
a
bolt and
Bolt
nut(ø10mm) tightly and horizontally on a
concrete or rigid mount.
When installing on the wall, roof or rooftop,
anchor the mounting base securely with a
nail or wire assuming the influence of wind
and earthquake.
Tubing
3. If the vibration of the unit is transmitted to the
hose,
secure
the unit with
an
connection
anti-vibration
rubber.
Evaluation of the
Operate
performance
the unit for 15~20minutes, then check
the system
Intake temperature
refrigerant charge:
1. Measure the pressure of the gas side service
valve.
2. Measure the
discharge
Discharge
air
temperature of the intake and
of air.
3. Ensure the difference between the intake
temperature and the discharge is
more
than
Discharge
8°C
4. For
temperature
reference; the gas side pressure of
optimum
condition is
The air conditioner is
26
below.(Cooling)
as
now
ready
Room Air Conditioner
for
use.
Refrigerant
Outside ambient
TEMP.
R-22
35°C(95°F)
4~5kg/cm2G(56.8~71.0P.S.I.G.)
R-410A
35°C(95°F)
8.5~9.5kg/cm2G(120~135P.S.I.G.)
The pressure of the gas side
service valve.
Installation
If the actual pressure is higher than shown, the system is most likely over-charged, and
charge should be removed. If the actual pressure are lower than shown, the system is
NOTICE
most
likely undercharged,
and
charge
should be added.
PUMP DOWN
This is
Pump
performed
Down
means
when the unit is relocated
all
collecting
CAUTION: Be
sure
refrigerant
to
or
the
refrigerant circuit
is serviced.
into the outdoor unit without the loss of
perform Pump
Down
procedure
refrigerant.
in the
cooling
mode.
Pump
Down Procedure
1. Connect
2.
a
low-pressure
Open the gas
refrigerant.
3. Close the
4. Turn
on
gauge manifold hose to the
side service valve
liquid
side service
the unit's
operating
halfway
valve(all
the
charge port
on
the gas side service valve.
and purge the air in the manifold hose
using
the
way).
switch and start the
cooling operation.
5. When the
low-pressure gauge reading becomes 1 to 0.5kg/cm2 G(14.2 to 7.1 P.S.I.G.), fully close
the gas side valve and then quickly turn off the unit. Now Pump Down procedure is completed,
and all refrigerant is collected into the outdoor unit.
Installation Manual
27
Memo
28
Room Air Conditioner
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