Page 1
Installation
Installation warnings:
1. Carefully read the installation manual before beginning.
2. Follow each step as shown.
3. Observe all local, state, and national electrical codes and by qualified,
licensed, authorized personnel only.
4. Pay attention to danger and safety notices
Choosing the installation site
Precautions for Installation
Installation at the following sites may cause problems. If you must inevitably install
the unit at one of these sites, please consult your local distributor beforehand:
1. Sites with machine oil.
2. Sites with a high concentration of salinity, such as coastal areas.
3. Sites with sulfuric gas, such as hot water springs.
4. Sites with high frequency equipment, such as wireless equipment, welding
machines and medical installations.
5. Sites with flammable gases or volatile material.
6. Sites with special environmental conditions.
7. Laundry rooms.
Indoor Unit
1. The unit must be installed at a site
that does not obstruct the flow of
air.
2. The site must support the weight of
the indoor unit.
3. The site must be easily accessible
for maintenance and replacement
of the air filter.
4. The site must allow for the
necessary space around the indoor
unit, as shown in the sideward
figure.
5. There should be at least 3 feet (1
meter) between the unit and radio
or television devices. It is ideal
that the unit be installed at the
center.
6. It must be far from fire, smoke or
flammable gases.
7. The indoor unit must be at least 8.2
ft(2.5 meters) from the ground.
8. The site must allow for the easy
removal of the connector pipe and
drain hose.
9. The unit must be installed at a site
protected from direct sunlight.
More
than 6"
More
than
6"
More
than
More
than
8 .2'
6"
Choosing the installation site
06
Page 2
Outdoor Unit
1. The outdoor unit must be
installed at a convenient site
that is not exposed to strong
winds. The site should be dry
and well ventilated.
2. The site must support the weight
of the outdoor unit and allow
for vertical installation.
3. There must not be the possibility
of increased noise and vibration
at the site.
4. The unit must be installed at a
site where the noise produced
by its operation and air
discharge does not disturb the
neighbors or animals.
5. The site cannot have any
leakage of flammable gases.
6. The site must provide enough
space around the unit, as shown
in the figure.
7. Children must not be able to
access the installation site.
More
than 1'
More
than 6.6'
More
than 1.65'
More
than 1'
More
than 1.65'
Choosing the installation site
07
Page 3
Parts list
NUMBER
1
2
3
4
5
6
7
8
PART NAME
Installation plate
Drain Joint
Self-tapping scr
ew A #7 X 1"
Remote controller
Connecting
pipe
assembly
Liquid side
Gas side
Ø3/8"
Ø1/2"
Ø5/8"
capacity
Drainage
Plug
capacity
Remote Controller holder
Self-tapping screw B #4 X 3/8"
capacity < 18000 Btu's
capacity > 24000 Btu’
Ø1/4"
(capacity < 12000 Btu's)
(capacity < 18000 Btu's)
(capacity > 24000 Btu’s)
= 18000 Btu's
'
= 21500 Btu
s
QTY.
1
1
5
s
10
1
1
3
2
1
2
Indoor unit
4
8
7
6
2
1
3
Outdoor unit
Parts list
08
Page 4
4
8
Indoor unit
More than 6"
7
More than 6"
Air filter
More than 1'
A
1
3
6
More than 6"
5
More than 1.65'
More
than 1.65'
Parts list
09
6
B
More than 6.6'
2
Attention
1. This illustration is for explanation purposes only.
2. Copper tubes must be insulated independently
C
Outdoor
unit
Page 5
Indoor unit installation
Installation plates and dimensions
Indoor unit outline
6" or more
from the wall
Refrigerant pipe
hole (right) Ø 2.56"
Indoor unit outline
6" or more
from the wall
Refrigerant pipe
hole (right) Ø 2.56"
6" or more fr
the ceiling
4.21"
3.39"
om
Installation plate
3.39"
6" or more
from the wall
B
4.21"
Refrigerant pipe
hole (right) Ø 2.56"
A
<
12000 Btu's
(A:33.31" B:10.83")
6" or more fr
the ceiling
om
Installation plate
A
6" or more
from the wall
B
Refrigerant pipe
hole (right) Ø 2.56"
5.31''
7.91''
1.58''
1.58''
=18000 Btu's
(A:36.97" B:11.73")
Indoor unit installation
10
Page 6
6" or more fr
the ceiling
Indoor unit outline
6" or more
from the wall
B
Refrigerant pipe
hole (right) Ø 2.56"
1.97''
3.94'' 4.88''
=21500 Btu's
Fixing the Installation Plate
1. Install the installation plate
horizontally over the structural
parts on the wall using the spaces
indicated on the plate, as shown
in the figures above.
2. In the case of tiled, concrete or
similar walls, create 0.2"
diameter holes. Place anchorage
supports for the appropriate
assembly screws.
3. Fix the installation plate to the
A type screws.wall with eight
4. At all times securing to the wall
studs is recommended.
om
Installation plate
A
(A:39.69" B:12.40")
Attention
Fit the Installation Plate and drill holes
in the wall according to the wall
structure and corresponding mounting
points on the installation plate
(Dimensions are in “mm” unless
otherwise stated).
Installation plate
6" or more
from the wall
1.97''
Refrigerant pipe
hole (right) Ø 2.56"
Drilling the Hole
1. Determine the position of the
hole for the pipes using the
installation plate and drill the
pipe hole so that it is tilted slightly
downward.
2. Always use a pipe cover with an
opening when drilling.
Indoor unit installation
11
Indoor unit
Wall
Outdoor unit
0.2"-0.28"
Page 7
Connective pipe and drainage installation
Connective pipe
1. For the left-hand and right-hand
piping, remove the pipe cover from
the side panel.
must be kept as it may
when relocating
The pipe cover
be used
the air
conditioner
to any other place.
2. For the rear-right-hand and rear-lefthand piping, install the piping as
shown in the sideward figure. Bend
the connective pipe to
be laid at
a height of 1.69" or less from
the wall.
Fix the end of the
connective pipe.
Drainage
1. Run the drain hose sloping
downward. Do not install the drain
hose as illustrated sideward.
2. When connecting extension drain
hose, insulate the connecting part
of extension drain hose with a
shield pipe, do not let the drain
hose slack.
Pipe cover
(right)
Right piping
Indoor unit
outline
Pipe
holder
Rear right
piping
Connective
pipe
Do not block
water flow
by a rise.
Do not put the end
of drain hose into water.
Pipe cover
(left)
Left piping
Rear left
piping
1.69"
Do not block
water flow
by a rise.
Fastening the Indoor Unit
1. Pass the piping through the hole in
the wall.
2. Put the upper claw at the back of
the indoor unit on the upper hook of
the installation plate, move the
indoor unit from side to side to see
that it is securely hooked.
Upper hook
Lower hook
Indoor unit installation
12
Page 8
3. Piping can easily be made by
lifting the indoor unit with a
cushioning material between the
indoor unit and the wall. Get it
out after finish piping.
4. Push the lower part of the indoor
unit up on the wall, Then move
the indoor unit from side to side,
up and down to check if it is
hooked securely.
Cushioning
material
Piping and wrapping
1. Bundle the tubing, connecting
cable, and drain hose with tape
securely and evenly as shown
in the sideward figure.
2. Because the condensed water
from rear of the indoor unit is
gathered in ponding box and is
piped out of room, do not put
Indoor unit
Cable
connection
Drain hose
Ponding
box
Pipe room
Connective
pipe
Wrapping
belt
anything else in the box.
Attention
1. Connect the indoor unit first, then the outdoor unit.
2. Do not allow the piping to let out from the back of the indoor unit.
3. Be careful not to let the drain hose slack.
4. Both of the auxiliary piping should be heat insulation.
5. Be sure that the drain hose is located at the lowest side of the bundle. Locating
at the upper side may cause drain pan to overflow inside the unit.
6. Never intercross nor intertwist the power wire with any other wiring.
7. Run the drain hose sloped downward to drain out the condensed water
smoothly.
Indoor unit installation
13
Page 9
Outdoor unit installation
1. Install the outdoor part of the unit
on a rigid surface to avoid excess
noise and vibration.
2. Direct the air vent toward an area
without obstacles.
3. Install the unit at the site where it is
exposed
especially in areas where it is
frequently windy.
4. If the installation site is exposed to
heavy winds, such as in coastal
areas, place the unit along the
widest part of the wall or use
protective plates.
5. If suspended installation is needed,
purchase kit No.EA140S from your
local or servicer. The installation
bracket should accord with technique
requirement in the installation
bracket diagram. The installation
wall should be solid brick, concrete
or the same intensity construction,
or action to reinforce, damping
supporting should be taken.
The connection between bracket
and wall, bracket and the air
conditioner should be firm,
stable and reliable.
6. Be sure there is no obstacle which
blocks radiating air, including
schrubs or bushes.
to as little wind as possible,
Strong wind
Outdoor unit installation
14
Page 10
Settlement of outdoor unit
Anchor the outdoor unit tightly and
horizontally on a concrete or rigid
mount with a bolt and nut 0.39" or
0.32" diameter (Purchased separately).
$
Air inlet
Air
inlet
%
Air outlet
Outdoor unit dimension ft(WxHxD)
[[
[[
[[
Aft) B( ft)
1'
Condensate drainage of outdoor unit
(no for cooling only)
The condensate and defrosting water formd during heating
in the outdoor unit can be properly discharged by drainage
pipe .
Installation method:Insert the drain connection into one of the
Ø
25 holes of the chassis and then connect drainage pipe with
drain nozzle. Insert drainage plugs into the other holes
(Only for 12000Btu's).
<
12000 Btu's
%WXV
'
Drain
connection
15
Outdoor unit installation
Chassis
Drain
connection
Chassis
Drainage
Plug
Page 11
Refrigerant piping connection
Unit comes with 16.4' tubing bundle. It is not recommended to cut. If too long,
loop for excess.
Note: Keep original bend so not kinking of the tube occurs.
Flaring work
Main cause for refrigerant leakage is
due to defect in the flaring work.
Carry out correct flaring work using the
following procedure:
1. Cut the pipes and the cable.
A) Use the piping kit accessory or
pipes purchased locally.
B) Measure the distance between the
indoor and the outdoor unit.
C) Cut the pipes a little longer than the
measured distance.
D) Cut the cable 4.9ft longer than the
pipe length.
2. Burr removal
A) Completely remove all burrs from
the cut cross section of pipe/tube.
B) Put the end of the copper
tube/pipe in a downward direction
as you remove burrs in order to
avoid dropping burrs into the
tubing.
3. Put nut on.
Remove flare nuts attached to
indoor and outdoor unit, then put
them on pipe/tube having
completed burr removal.(It is not
possible to put them on after flaring
work)
Pipe
Correct
Point
down
Cooper tube
Wrong
Oblique Roughness Burr
Pipe
Reamer
Flare nut
Refrigerant piping connection
16
Page 12
4. Flaring work.
Firmly hold copper pipe in a
die in the dimension shown in
the table below.
Bar
Copper
pipe
Max.
0.051
0.063
0.071
0.095
A (inch)
Min.
0.028
0.039
0.039
0.087
OUTER
DIAMETER (inch)
1/4
3/8
1/2
5/8
Connection Adjustment
1. Align the pipes to be connected.
2. Screw the flare nut with your
fingers, and then tighten it with
a spanner and torque wrench,
as shown in the following figure.
Indoor unit
tubing
Flare
nut
Pipings
Handle
Yoke
Red arrow mark
Clamp
handle
Caution: Excessive twisting may
break the nut, depending on the
installation conditions.
OUTER TIGHTENING
DIAMETER (inch)
1/4
3/8
1/2
5/8
Refrigerant piping connection
17
ADDITIONAL TIGHTENING
TORQUETORQUE (lbf.in)
139 174
260 304
434 477
651 694
(lbf.in)
Page 13
Electrical work
Electric safety regulations for the initial Installation
1. If there is serious safety problem
about the power supply, the
technicians should refuse to install
the air conditioner and explain to the
client until the problem is solved.
2. Power voltage should be in the
range of 90%~110%of rated
voltage.
3. The circuit protector and main
power switch with a 1.5 times
capacity of Max. Current of the unit
should be installed in power circuit.
4. Ensure the air conditioner is
grounded well.
5. According to the attached
Electrical Connection Diagram
located on the panel of the
outdoor unit to connect the wire.
6. All wiring must comply with local
and national electrical codes and
be installed by qualified and
skilled electricians.
7. An individual branch circuit
used only for this air conditioner
must be available. See the
following table for suggested wire
sizes and fuse specifications:
CAPACITY
<
9000 Btu's
9000 Btu's < capacity < 12000 Btu’s
> 12000 Btu's
Note: The supply voltage must be consistent with the rate voltage of the air conditioner.
POWER SUPPLY
115V~/ 60Hz
115V~/ 60Hz
208/230V~/ 60Hz
INPUT RATED AMP
Switch / Fuse
25A/25A
25A/25A
25A/25A
AWG WIRE
SIZE
1
2
12
12
Electrical work
18
Page 14
Connect the cable to the indoor unit
Terminal block of indoor unit
Cable
1. The inside and outside connecting
cable can be connected without
removing the front grille.
2. Connecting cable between indoor
unit and outdoor unit shall be
approved polychloroprene
sheathed flexible cord, type
designation 16AWG or heavier
cord.
3. Lift the indoor unit panel up,
remove the electrical box cover by
loosening the screw.
4. Ensure the colour of wires of
outdoor unit and the terminal Nos.
are the same to the indoors
respectively.
5. Wrap those cables not connected
with terminals with insulation
tapes, so that they will not touch
any electrical components. Secure
the cable onto the control board
with the cord clamp.
Electrical box
cover
0.39"
Electrical work
19
C
Code wire
1.57"
N(1) 2 3
To Outdoor Unit
Page 15
Connect the cable to the outdoor unit
Terminal block of outdoor unit
Cable
Remove the electrical control
board cover from the outdoor unit
by loosening the screw.
2. Connect the connective cables to
the terminals as identified with
their respective matched numbers
on the terminal block of indoor
and outdoor units. The connective
cable to power supply shall be
approved polychloroprene
sheathed flexible cord, type
designation
12AWG
or heavier cord.
3. Secure the cable onto the control
board with the cord clamp.
4. To prevent the ingress of water,
form a loop of the connective
cable as illustrated in the
installation diagram of indoor and
outdoor units.
5. Insulate unused cords (conductors)
with PVC -tape. P rocess them so
they could not touch any electrical
or metal parts.
&RYHU
6FUHZ
0.39"
Code wire
1.57"
N(1) 2 3 L N
To indoor unit To power supply
Electrical work
20
Page 16
Caution
After the confirmation of the above conditions, prepare the wiring as follows:
1. Never fail to have an individual power circuit specifically for the air
conditioner. As for the method of wiring, be guided by the circuit diagram
posted on the inside of control cover.
2. The screws which fasten the wiring in the casing of electrical fittings are
liable to come loose from vibrations to which the unit is subjected during
the course of transportation. Check them and make sure that they are all
tightly fastened. (If they are loose, it could cause burn-out of the wires.)
3. Specification of power source.
4. Confirm that electrical capacity is sufficient.
5. See to that the starting voltage is maintained at more than 90 percent of
the rated voltage marked on the name plate.
6. Confirm that the cable thickness is as specified in the power source
specification.
7. Always install an earth leakage circuit breaker in a wet or moist area.
8. The following would be caused by voltage drop: vibration of a magnetic
switch, which will damage the contact point, fuse breaking, disturbance of
the normal function of the overload protector.
9. The means for disconnection from a power supply shall be incorporated
in the fixed wiring and have an air gap contact separation of at least 1/8 inch
in each active (phase) conductors.
Air purging
Air and moisture in the refrigeration system have undesirable effects as indicated
below:
1. Pressure in the system rises.
2. Operating current rises.
3. Cooling or heating(only for
models with heating function)
efficiency drops.
4. Moisture in the refrigerant circuit
may freeze and block capillary
tubing.
Electrical work and air purging
21
5. Water may lead to corrosion of
parts in the refrigeration system.
Therefore, the indoor unit and tubing
between the indoor and outdoor unit
must apply leakage test and be evacuated
to remove any noncondensables and
moisture from the system.
Page 17
Air purging with vacuum pump
2
1. Check that each tube(both liquid and gas side tubes) between the indoor and
outdoor units have been properly connected and all 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.
2. When relocating the unit to another place, perform evacuation using vacuum
pump.
3. Pipe length and refrigerant amount:
Connective
pipe length
Less than 25'
25'~98.4'
Use vacuum pump.
'
Use vacuum pump.25'~65.6
Use vacuum pump.
Air
purging
R410a: 0.705ozs (Pipe length-25')
R410a: 1.058ozs (Pipe length-25')
Additional amount of
refrigerant to be charged
R410a: 1.058ozs (Pipe length-25')
<
( 12000Btu's)
(=18000Btu's)
(=21500Btu's)
Caution in handling the packed valve integrated in the outlets of
outdoor unit.
1. Operation of opening packed valve: Open the valve stem until it hits against
the stopper. Do not try to open it further.
2. Operation of closing packed valve: Securely tighten the valve stem with a special
tool. Then securely tighten the valve stem cap with a spanner or the like. Refer to
for valve stem cap tightening torque tightening torque table in page 17
Note: There is a charging port integrated in the low side outlet, but not in the
high side outlet. The low side outlet is shown in the sketch map below.
Flare nut
A
B
Packed valve
Refrigerant
Indoor unitOutdoor unit
Gas
C
D
Half union
Valve body
Cap
Charge port
Valve stem
Stopper
Air purging
2
Page 18
When using the vacuum pump
For method of using a manifold valve, refer to its operation manual.
1. Completely tighten the flare nuts at
Indoor unit
connection point A, B, C and D.
Connect valve core removal tool to
the charging port, then connect
Outdoor unit
vacuum hose to valve core tool.
Open the schrader valve.
Note: The schrader valve is inside
the charging port.
2. Connect the other charge hose of
manifold valve to the vacuum pump.
3. Fully open the handle Lo of the
manifold valve.
Manifold valve
-76cm/Hg
4. Operate the vacuum pump to
evacuate. After starting evacuation,
slightly loose the flare nut of the
Lo valve on the gas pipe side and
check if the air is entering (Operation
noise of the vacuum pump changes
Handle Lo
Handle Hi
Charge hose
and a compound meter indicates
0 instead of minus), then tighten
the flare nut. The procedure verifies
if there are blocks inside the tubes.
5. Make evacuation for 15 minutes
or more and check that the
compound meter indicates
-7.6 x 10 μmHg (-1x10 Pa).
55
After the evacuation is completed,
fully close the handle Lo of the
manifold valve and stop the
operation of the vacuum pump.
6. Turn the stem of the packed
valve B about 45
o
counterclockwise for 6~7
seconds after the gas comes
out, then tighten the flare nut
Vacuum pump
display in the pressure indicator is
a little higher than the atmosphere
pressure. This procedure verifies if
the refrigerant goes through the
tubes correctly.
7. Close the schrader valve, then
remove the valve core tool.
Replace the charging port cap.
8. Fully open the packed valve
stems B and A.
9. Securely tighten the cap of the
packed valve.
again. Make sure the pressure
Charge
hose
Air purging
23
Page 19
Electrical safety
4
Perform the electric safety check after completing installation:
1. Insulated resistance: The insulated resistance must be more than 2M .
2. Grounding work: After finishing grounding work, measure the grounding
resistance by visual detection and grounding resistance tester. Make sure the
grounding resistance is less than 4 .
3. Electrical leakage check (performing during test running): During test operation
after finishing installation, the serviceman can use the electric probe and
multimeter to perform the electrical leakage check. Turn off the unit
immediately if electrical leakage happens. Check and find out the solution
ways till the unit operates properly.
Gas leak check
Soap water method
Apply a soap water or a liquid neutral
detergent on the indoor unit
connection or outdoor unit connections
by a soft brush to check for leakage of
the connecting points of the piping. If
bubbles come out, the pipes have
leakage point.
Leak detector
Use the leak detector to check for
leakage.
Caution
A: Lo packed valve, B: Hi packed valve
C and D are ends of indoor unit
connection.
Electrical safety and gas leak check
indoor unit
check point
Cover
Outdoor unit
check point
2
Page 20
Test running
o
Perform test operation after completing gas leak check at the flare nut
connections and electrical safety check.
1. Connect the power, press the ON/OFF button on the remote controller to
turn the unit on.
2. Use the MODE button to select COOL, HEAT(Only for models with heating
function), AUTO and FAN to check if all the functions work well.
cannot be controlled by the remote controller to run in cooling mode,
manual operation can be taken. Manual operation is used only when the
remote controller is disable or maintenance necessary.
F), the unit 3. When the ambient temperature is too low(lower than 63
Test running
25
Auto/OFF
Manual control button
Page 21
Preparing the device for operation
6
1. Contact a specialist to install the device.
2. Guarantee that the unit is appropriately fastened and complies with all of
the aforementioned safety norms.
3. Before operating the air conditioner, ensure that the air filter is installed
correctly.
4. If the unit has been out of use for a long period of time, it is recommended
that the air filter be cleaned before use. During continuous use, clean the air
filter every two weeks.
5. This air conditioner was designed for use under the following conditions:
MODE
Cool
Temperature Temperature Temperature
Indoor Indoor Outdoor Indoor Outdoor
61°F~86°F 41°F~115°F 61°F~86°F 61°F~86°F 41°F~115°F5°F~86°F
* 23°F~115°F, for the models with low temperature cooling system
only for models with heating function
*
Outdoor*
Heat
*
Dehumidifier
Attention
If air conditioner is used outside of the above conditions, certain safety protection
features may come into operation and cause the unit to function abnormally.
Room relative humidity should be less than 80%. If the air conditioner operates in
excess of this figure, the surface of the air conditioner may attract condensation.
Please set the horizontal louver to its maximum angle (vertically to the floor), and
set HIGH fan mode.
Optimum performance will be achieved within these operating temperature.
Preparing the device for operation
2
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