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!
WARNING
Read the follow SAFETY PRECAUTIONS carefully before installation.
Electrical work must be installed by a licensed electrician. Be sure to use the correct rating and
main circuit for the model to be installed.
Incorrect installation due to ignoring of the instruction will cause harm or damage, and the seri-
ousness is classified by the following indications.
This symbol indicates the possibility of death or serious injury.
The items to be followed are classified by the symbols:
Symbol will background white denotes item that is PROHIBITED from doing.
!
CAUTION
This symbol indicates the possibility of injury or damage to property.
WARNING
!
1) Engage dealer or specialist for installation. If installation done by the user is defective, it will cause water
leakage, electrical shock fire.
2) Install according to this installation instructions strictly. If installation is defective, it will cause water
leakage, electrical shock fire.
3) Use the attached accessories parts and specified parts for installation. otherwise, it will cause the set to fall,
water leakage, electrical shock fire.
4) Install at a strong and firm location which is able to withstand the set s weight. If the strength is not enough
or installation is not properly done, the set will drop and cause injury.
,
5) For electrical work, follow the local national wiring standard, regulation and this installation instructions. An
independent circuit and single outlet must be used. If electrical circuit capacity is not enough or defect found
in electrical work, it will cause electrical shock fire.
6) Use the specified cable and connect tightly and clamp the cable so that no external force will be acted on
the terminal. If connection or fixing is not perfect, it will cause heat-up or fire at the connection.
7) Wiring routing must be properly arranged so that control board cover is fixed properly. If control board cover
is not fixed perfectly, it will cause heat-up at connection point of terminal, fire or electrical shock.
8) When carrying out piping connection, take care not to let air substances other than the specified
refrigerant go into refrigeration cycle. Otherwise, it will cause lower capacity, abnormal high pressure
in the refrigeration cycle, explosion and injury.
9) Do not modify the length of the power supply cord or use of extension cord, and do not share the
single outlet with other electrical appliances. Otherwise, it will cause fire or electrical shock.
!
CAUTION
1) This equipment must be earthed and installed with earth leakage current breaker. It may cause electrical
shock if grounding is not perfect.
2) Do not install the unit at place where leakage of flammable gas may occur. In case gas leaks and
accumulates at surrounding of the unit, it may cause fire.
3) Carry out drainage piping as mentioned in installation instructions. If drainage is not perfect, water
may enter the room and damage the furniture.
SAFETY PRECAUTIONS
4
Accessories
INSTALLATION INSTRUCTIONS
Note: Except the above parts provided, the other parts needed during
installation you must purchase.
This illustration is for explanation purposes only.
Copper lines must be insulated independently
Fig.3
Ensure that the space around the left and
right of the indoor unit is more than 12cm.
The indoor unit should be installed allowing
a minimum clearance of 15cm from the
ceiling.
Use a stud finder to locate studs to prevent
unnecessary damage to the wall.
A minimum pipe run of 3 metres is required
to minimise vibration & excessive noise.
The indoor unit should be installed on the
wall at a height of 2.3 metres or more from
the floor .
Two of the A, B and C directions should be
free from obstructions.
CAUTION
12cm a
bove
12cm abo
ve
15cm above
1
2
3
.
1
2
3
4
5
6
7
1
1
1
8
8
1
Parts you must
purchase
(The minimum pipe
wall-thickness
of 0.7mm is required. )
6.35
12.7
8
2
Self-tapping Screw B ST2.9X10
Remote controller
Installation Plate
Name of Accessories
Self-tapping Screw A ST3.9X25
Seal(see page 8 for details)
Drain Joint(see page 8 for details)
Connecting
pipe
Assembly
Liquid side
Clip Anchor
Number
Qty
Gas side
9
Remote controller holder
1
Loop the
connective
cable.
C
A
60cm
abov
e
6
0
cm ab
o
ve
30cm
above
Air Filter
Air Filter
Air Outlet
30cm abov
e
Wrapping tape
B
200cm
abov
e
Additional drain pipe
Mounting screw B
ST2.9x10-C-H
Remote controller
holder
8
9
Remote Controller
7
ADJUST
AUTO
COOL
DRY
HEAT
HEALTH
HIGH
MED
LOW
MODE
FAN SPEED
SWING
TIMER ON
SLEEP
ON/OFF
TIMER OFF
AUTO
CLEAN
RESET LOCK
SET TEMPERATURE( C)
FOLLOW
ME
LED
DISPLAY
CLEAR
AIR
TURBO
6
INSTALLATION INSTRUCTIONS
1. For the left-hand and right-hand piping, remove the pipe cover from the side panel.
Explain to clients that the pipe cover must be kept as it may be used when relocate the
air conditioner to any other place.
2. For the rear-right-hand and rear-left-hand piping, install the piping as shown. Bend the
connective pipe to be laid at 43mm height or less from the wall.
3. Fix the end of the connective pipe. (Refer to Tightening Connection in REFRIGERANT
PIPING CONNECTION)
Connective pipe
Indoor unit outline
Connective pipe
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3
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.
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.
Fig.10
4. Indoor unit installation
Fig.8
Fig.9
3. Connective Pipe and Drainage Installation
1. Run the drain hose sloping downward. Do not install the drain hose as illustrated below.
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.
Drainage
Fig.7
Do not block water flow by a rise.
Do not put the end of
drain hose into water.
Pipe holder
Pipe Cover
(right)
Pipe Cover (left)
Right piping
Left piping
Right back piping
Left back piping
Upper Hook
Lower Hook
Cushioning
material
7
INSTALLATION INSTRUCTIONS
5. Piping and wrapping
Bundle the tubing, connecting cable, and
drain hose with tape securely,
evenly as shown in Fig.11.
Because the condensed water from rear
of the indoor unit is gathered in ponding
box and is piped out of room. Do not put
anything else in the box.
Indoor unit
Connective
pipe
Pipe room
Ponding box
Wrapping belt
Connective
cable
Drain hose
Fig.11
Connect the indoor unit first, then the outdoor unit.
Do not allow the piping to let out from the back of the indoor unit.
Be careful not to let the drain hose slack.
Heat insulated both of the auxiliary piping.
Be sure that the drain hose is located at the lowest side of the bundle. Locating
at the upper side can cause drain pan to overflow inside the unit.
Never intercross nor intertwist the power wire with any other wiring.
Run the drain hose sloped downward to drain out the condensed water smoothly.
CAUTION
Install the outdoor unit on a rigid base to prevent increasing noise level and vibration.
Determine the air outlet direction where the discharged air is not blocked.
In the case that the installation place is exposed to strong wind such as a seaside,
make sure the fan operating properly by putting the unit lengthwise along the wall
or using a dust or shield plates.
Specially in windy area, install the unit to prevent the admission of wind.
If need suspending installation, 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 actions to reinforce, damping supporting should
be taken. The connection between bracket and
wall, bracket and the air conditioner should be
firm, stable and reliable.
Be sure there is no obstacle which block
radiating air.
Strong
wind
Fig.12
Outdoor unit installation
Outdoor installation precaution
8
REFRIGERANT PIPE CONNECTION
Settlement of outdoor unit
Anchor the outdoor unit with
a bolt and nut 10 or 8 tightly
and horizontally on a concrete
or rigid mount.
Fit the seal into the drain elbow, then insert
the drain joint into the base pan hole of
outdoor unit, rotate 90 to securely assemble
them. Connecting the drain joint with an
extension drain hose (Locally purchased),
in case of the water draining off the outdoor unit
during the heating mode.
Drain joint installation
Seal
Drain joint
Base pan hole of
outdoor unit
Seal
Drain pipe
Fig.14
Refrigerant pipe connection
Oblique
90 C
Roughness
Burr
Main cause for refrigerant leakage
is due to defect in the flaring work.
Carry out correct flaring work
using the following procedure:
A: Cut the pipes and the cable.
1. Use the piping kit accessory or pipes
purchased locally.
2. Measure the distance between the indoor and the outdoor unit.
3. Cut the pipes a little longer than the measured distance.
4. Cut the cable 1.5m longer than the pipe length.
1. Flaring work
Fig.15
5
60
mm
3
3
5
m
m
Air inlet
Air outlet
Air inlet
Fig.13
B: Burr removal
1. Completely remove all burrs from the cut
cross section of pipe/tube.
2. 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.
Pipe
Reamer
Point down
Fig.16
9
ELECTRICAL WORK
Bar
Copper pipe
Clamp handle
Red arrow mark
Cone
Yoke
Handle
Bar
"A"
C: Putting nut on
Remove flare nuts attached to indoor and
outdoor unit, then put them on pipe/tube
having completed burr removal.(not possible
to put them on after flaring work)
Flare nut
Copper tube
Fig.17
Fig.18
D: Flaring work
Firmly hold copper pipe in a die in the
dimension shown in the table below.
Caution
Align the center of the pipes..
Sufficiently tighten the flare
nut with fingers, and then tighten
it with a spanner and torque wrench
as shown.
Tightening Connection
Excessive torque can break nut
depending on installation conditions.
Outer
diam.
Tightening
torque(N.cm)
Additional tightening
torque(N.cm)
6.35
1570
(160kgf.cm)
1960
(200kgf.cm)
4900
(500kgf.cm)
5390
(550kgf.cm)
12.7
Outer diam.
(mm)
A(mm)
Max.
Min.
6.35 1.3
0.7
12.7
1.8
1.0
Fig.19
Indoor unit tubing Flare nut Pipings
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 creepage 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.
7. An individual branch circuit and single receptacle used only for this air conditioner must be
available. See the following table for suggested wire sizes and fuse specifications:
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.
12.7
1.8
1.0
Electrical work
10
Power supply
Input Rated Amp
(Switch/Fuse)
Power Cord Size
20A
2
2.0mm
220-240V~ 50Hz
or
220-230V~60Hz
NOTE: The supply voltage must be consistent with the rate voltage of the air conditioner.
ELECTRICAL WORK
Connect the cable to the indoor unit
1. Indoor/Outdoor connection cable should be H07RN-F type.
2. Lift the indoor unit panel up and remove the screw, then remove the window cover.
3. Connect cables according to their marks to terminals.
4. Wrap those cables not connected with terminals with insulation tapes, so
that they will not touch any electrical components.
1
0
mm
10
m
m
4
0
m
m
40
m
m
Cooling only
type.
Cooling & heating
type.
Code wire
Or
10m
m
4
0mm
Cooling & heating
type.
Terminal block of indoor unit
To outdoor unit
To outdoor unit
Cord clamp
1 2(N) 3 4
1 2(N) 3 4
Or
1 2(N) 3 4
To outdoor unit
Fig.20
Panel
Window cover
NOTE:
This indoor unit is especially designed to used as either MULTI models or MONO
models. Perform the following procedures to modify the indoor unit from MONO
model to MULTI model.(Fig.21 & 22)
1. Lift the indoor unit panel up, then remove the Electric control cover by loosen the screw
(See Fig.20).
2. You will find a Slide Switch, printed with MONO and MULTI words beside(Fig.21).
3. Rip off the white paper above the Slide Switch and move it to the MULTI position(see Fig. 22).
4. Reinstall the Electric control cover, close the panel.And the indoor unit can be used as
MULTI models.
MONO
MONO
MULTI
Rip off the
white paper
MONO
MONO
MULTI
MONO models MULTI models
Fig.21
Fig.22
NOTE: Before performing any electrical work, turn off the main power to the system.
Air and moisture in the refrigerant system have undesirable effects as indicated below:
Pressure in the system rises.
Operating current rises.
Cooling or heating efficiency drops.
Moisture in the refrigerant circuit may freeze and block capillary tubing.
Water may lead to corrosion of parts in the refrigeration system.
Therefore, the indoor unit and tubing between the indoor and outdoor unit must be
leak tested and evacuated to remove any noncondensables and moisture from the
system.
Air purging with vacuum pump
Preparation
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.
Pipe length and refrigerant amount:
Connective
pipe length
Less than 5m
5 10m
Liquid side: 6.35
(Pipe length-5)x30g
Air purging
method
Use vacuum
pump.
Use vacuum
pump.
Additional amount of refrigerant to be charged
~
AIR PURGING
Air purging
12
When relocate the unit to another place, perform evacuation using vacuum pump.
Make sure the refrigerant added into the air conditioner is liquid form in any case.
(Not applicable to the units with R22 )
Open the valve stem until it hits against the stopper. Do not try to open it further.
Securely tighten the valve stem cap with aspanner or the like.
Valve stem cap tightening torque (See Tightening torque table in previous page ).
Outdoor
unit
Indoor
unit
Refrigerant
Flare nut
Stopper
Cap
Valve body
Packed valve
Half union
Gas side
Liquid side
A
C
D
B
Valve stem
Fig.24
Fig.25
Caution in handling the packed valve
When Using the Vacuum Pump
(For method of using a manifold valve, refer to its operation manual.)
1. Completely tighten the flare nuts, A, B, C, D, connect the manifold valve charge
hose to a charge port of the low-pressure valve on the gas pipe side.
2. Connect the charge hose connection to the vacuum pump.
3. Fully open the handle Lo of the manifold valve.
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 that the air is entering
(Operation noise of the vacuum pump changes and a compound meter indicates
0 instead of minus)
5. After the evacuation is complete, fully close the
handle Lo of the manifold valve and stop the
operation of the vacuum pump.
Make evacuation for 15 minutes or more and
check that the compound meter indicates
-76cmHg (-1x10 Pa).
o
6. Turn the stem of the packed valve B about 45
counterclockwise for 6~7 seconds after the gas
coming out, then tighten the flare nut again. Make
sure the pressure display in the pressure indicator
is a little higher than the atmosphere pressure.
7. Remove the charge hose from the Low pressure charge hose.
8. Fully open the packed valve stems B and A.
9. Securely tighten the cap of the packed valve.
Manifold valve
Compound meter
-76cmHg
Handle Lo
Handle Hi
Charge hose
Charge hose
Vacuum pump
Pressure gauge
Low pressure valve
Fig.26
5
13
AIR PURGING
Perform the electric safe 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 electroprobe
and multimeter to perform the electrical leakage check. Turn off the unit immediately if
leakage happens. Check and find out the solution ways till the unit operate properly.
A: Lo packed valve B: Hi packed valve
C and D are ends of indoor unit connection.
CAUTION
Indoor unit
check point
D
B
C
A
Outdoor unit
check point
Cover
Fig.27
Electrical safety check
Gas leak check
1. 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 th piping. If bubbles
come out, the pipes have leakage.
2.
Leak detector
Use the leak detector to check for leakage.
Test running
Safety and leakage check
14
TEST RUNNING
1. Check that all tubing and wiring have been properly connected.
2. Check that the gas and liquid side service valves are fully open.
Manual control
Button
AUTO/
COOL
Perform test running after completing gas leak and electrical safety check.
The test running time should last more than 30 minutes.
1. Hold the panel sides and push it upward, then lift the panel up to an angle which
remains fixed. Do not lift the panel any further when it stops with a click sound.
2. Press the manual control button twice until the operating indicator lights up, the unit
will operate on Forced Cool mode.
3. Check if all the functions works well during test running. Especially check whether
the drainage of indoor unit is smooth or not.
4. Press the manual switch button again after finishing the test running. The operating
indicator turns dark and the unit stops operating.
CS399-I
2200019443
3

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