Installation
PRINTED IN MALAYSIA
F616529
ENGLISH
CHECK ITEMS
Is there any gas leakage at flare nut 
connections?
Has the heat insulation been carried out at flare 
nut connection?
Is the connection cable being fixed to terminal 
board firmly?
Is the connection cable being clamped firmly?
Is the drainage ok? 
(Refer to “Check the drainage” section)
Is the earth wire connection properly done?
Is the indoor unit properly hooked to the 
installation plate?
Is the power supply voltage complied with rated 
value?
Is there any abnormal sound?
Is the cooling/heating operation normal?
Is the thermostat operation normal?
Is the remote control’s LCD operation normal?
Is the Air purifying filter installed?
PUSH PUSH
PUSH PUSH
Piping
Piping
Shock absorber
Intake grille
 Do not turn over the unit without it’s shock absorber during pull out the piping.
It may cause intake grille damage.
 Use shock absorber during pull out the piping to protect the intake grille from damage.
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3 4
5
6
1.  Insert the piping sleeve to the hole.
2.  Fix the bushing to the sleeve.
3.  Cut the sleeve until it extrudes about 
19
/32" (15 mm) from the wall.
4.  Finish by sealing the sleeve with putty 
or caulking compound at the fi nal stage.
No. Accessories part Qty.
1
Installation plate
1
2
Installation plate fixing 
screw
5
3
Remote
Control
1
4
Battery
2
5
Remote control
holder
1
No. Accessories part Qty.
6
Remote control holder 
fixing screw
2
7
Drain elbow
1
8
Air purifying filter
1
9
Drain hose adapter
1
F616529
Required tools for Installation Works
INDOOR UNIT
1
2
HOW TO FIX INSTALLATION PLATE
The mounting wall shall be strong and solid enough to prevent it from the vibration.
SELECT THE BEST LOCATION
(Refer to “Select the best location” section)
The center of installation plate should be at more than 1 at right and left of the wall.
The distance from installation plate edge to ceiling should more than 2.
From installation plate left edge to unit’s left side is 3.
From installation plate right edge to unit’s right is 4.
b  :  For left side piping, piping connection for liquid should be about 5 from this line.
  :  For left side piping, piping connection for gas should be about 6 from this line.
1.  Mount the installation plate on the wall with 5 screws or more (at least 5 screws).
(If mounting the unit on the concrete wall, consider using anchor bolts.)
 •
Always mount the installation plate horizontally by aligning the marking-off line with the thread and using 
a level gauge.
2.  Drill the piping plate hole with ø2 
3
/4" (ø70 mm) hole-core drill.
 •
Line according to the left and right side of the installation plate. The meeting point of the extended line is 
the center of the hole. Another method is by putting measuring tape at position as shown in the diagram 
above. The hole center is obtained by measuring the distance namely 5 
1
/16" (128 mm) for left and right 
hole respectively.
 •
Drill the piping hole at either the right or the left and the hole should be slightly slanting to the outdoor side.
INDOOR UNIT INSTALLATION
4
OUTDOOR UNIT
1
SELECT THE BEST LOCATION
(Refer to “Select the best location” section)
 •
After selecting the best location, start installation to Indoor/Outdoor Unit Installation Diagram.
1.  Fix the unit on concrete or rigid frame fi rmly and horizontally with a bolt nut (ø 
13
/32" (ø10 mm)).
2.  When installing at roof, please consider strong wind and earthquake. 
  Please fasten the installation stand fi rmly with bolt or nails.
2
INSTALL THE OUTDOOR UNIT
AB
C
D
Rear view for left piping installation
Drain cap
Drain hose
Adjust the piping 
slightly downwards.
Drain hose
Connection 
cable
 •
How to pull the piping and drain hose out, in case 
of embedded piping
.
PVC tube 
for drain 
hose
Indoor unit
3 
15
/16" (100 mm)
Piping
Cable
Apply putty or 
caulking material 
to seal the wall 
opening.
Connection 
cable
Piping
More than 
18 
1
/
2
" (470 mm)
More than 
37 
13
/
32
" (950 mm)
PVC tube (VP-65) for piping 
and connection cable
PVC tube for drain hose (VP-30)
PVC tube for 
drain hose (VP-20)
More than 27 
9
/16" 
(700 mm)
 •
How to insert the connection cable 
and drain hose in the case of left 
piping.
Cable
45°
Drain 
hose
Piping
Drain hose 
from main unit
(For right piping, follow the same 
procedure)
Sleeve for piping hole
Drain hose
Piping
Connection 
cable
More than 37 
13
/32" 
(950 mm)
CUTTING AND FLARING THE PIPING
1.  Please cut using pipe cutter and then remove the burrs.
2.  Remove the burrs by using reamer. If burrs are not removed, gas leakage may be 
caused. Turn the piping end down to avoid the metal powder entering the pipe.
3.  Please make fl are after inserting the fl are nut onto the copper pipes.
TO DRILL A HOLE IN THE WALL AND 
INSTALL A SLEEVE OF PIPING
19
/32" (15 mm)
Putty or caulking compound
ø2 
3
/4" (ø70 mm) 
through hole
Indoor
Outdoor
Sleeve for
tube 
assembly
Approx. 
7
/32" - 
9
/32" 
(5-7 mm)
Bushing for tube 
assembly
Wall
CONNECT THE CABLE TO THE INDOOR 
UNIT
5
1.  The inside and outside connection cable can be connected 
without removing the front grille. 
2.  Unscrew the conduit cover and fi x the conduit connector to 
conduit cover with lock nut, then secure it against chassis.
3.  Connection cable between indoor unit and outdoor unit should 
be UL listed or CSA approved 4 conductor wires minimum 
AWG16 in accordance with local electric codes.
 •
Ensure the colour of wires of outdoor unit and terminal number 
are the same as the indoor's repectively.
 •
Earth lead wire shall be Yellow/Green (Y/G) in colour and 
shall be longer than other lead wires as shown in the fi gure 
for electrical safety in case of slipping.
Holder
3
Please follow the steps below to take out front grille if necessary such as when servicing.
1.  Set the vertical airfl ow direction louvers to the horizontal position.
2.  Slide down the 2 caps on the front grille as shown in the illustration at right, and 
then remove the 2 mounting screws.
3.  Pull the lower section of the front grille towards you to remove the front grille.
The below operations will be performed by pressing the “AUTO” switch.
1.  AUTO OPERATION MODE
  The Auto operation will be activated immediately once the Auto Switch is pressed 
and released before 5 sec..
2.  TEST RUN OPERATION (FOR PUMP DOWN/SERVICING PURPOSE)
  The Test Run operation will be activated if the Auto Switch is pressed continuously 
for more than 5 sec. to below 8 sec..
  A “pep” sound will occur at the fi fth sec., in order to identify the starting of Test Run 
operation.
3. HEATING TRIAL OPERATION
  Press the “AUTO” switch continuously for more than 8 sec. to below 11 sec. and release when a “pep 
pep” sound is occured at eight sec. (However, a “pep” sound is heard at fi fth sec..) then press Remote 
controller “A/C Reset” button once. Remote controller signal will activate operation force heating mode.
4.  REMOTE CONTROLLER RECEIVING SOUND ON/OFF
  The ON/OFF of Remote controller receiving sound can be changed by the following steps: 
  a) Press “AUTO” switch continuously for more than 16 sec. to below 21 sec..
    A “pep”, “pep”, “pep”, “pep” sound will occur at the sixteenth sec.. 
  b) Press the “A/C Reset” button once. Remote controller signal will activate the Remote controller 
sound setting mode.
  c)  Press the “AUTO” switch once to select Remote controller receiving sound ON/OFF. A “pep” sound 
indicates receiving sound ON, and a “pep” sound indicates receiving sound OFF.
DISPOSAL OF OUTDOOR UNIT DRAIN WATER
 •
If a drain elbow is used, the unit should be placed on a 
stand which is taller than 1
3
/16" (30 mm).
 •
If the unit is used in an area where temperature falls 
below 32°F (0°C) for 2 or 3 days in succession, it is 
recommended not to use a drain elbow, for the drain 
water freezes and the fan will not rotate.
CHECK THE DRAINAGE
 •
Open front panel and remove air fi lters.
(Drainage checking can be carried out without removing the 
front grille.)
 •
Pour a glass of water into the drain tray-styrofoam.
 •
Ensure that water fl ows out from drain hose of the indoor unit.
Hose
Install the hose at an angle so that the water smoothly fl ows out.
Drain elbow 
7
EVALUATION OF THE PERFORMANCE
 •
Operate the unit at cooling/heating operation mode for 
fi fteen minutes or more.
 •
Measure the temperature of the intake and discharge air.
 •
Ensure the difference between the intake temperature 
and the discharge is more than 46.4°F (8°C) during 
Cooling operation or more than 57.2°F (14°C) during 
Heating operation.
Discharge air
1  Philips screw driver
2 Level gauge
3  Electric drill, hole core drill (ø2 
3
/4" (ø70 mm))
4  Hexagonal wrench (
5
/32" (ø4 mm))
5 Spanner
6 Pipe cutter
7 Reamer
8 Knife
9  Gas leak detector
10 Measuring tape
11 Thermometer
12 Megameter
13 Multimeter
14 Torque wrench
13.3 Ibf.ft (18 N•m (1.8 kgf•m))
31.0 Ibf.ft (42 N•m (4.3 kgf•m))
40.6 Ibf.ft (55 N•m (5.6 kgf•m))
47.9 Ibf.ft (65 N•m (6.6 kgf•m))
73.8 Ibf.ft (100 N•m (10.2 kgf•m))
15 Vacuum pump
16 Digital Micron Gauge
Wall
Wall
Wall
Installation plate 1
2 screw
More than 1
More than 1
Measuring 
Tape
Indoor unit
9 
17
/
32
"
(241.5 mm)
5 
1
/
16
"
(128 mm)
5 
1
/
16
" (128 mm)
5 
1
/
16
" 
(128 mm)
marking
Guide 
surface
Connection cable
About 
2 
3
/
4
" - 3
 5
/
32
"
(70-80 mm)
Connection 
cable
Gas side 
piping
Liquid side 
piping
Drain hose
Drain
tray-
styrofoam
Cover for the 
bottom piping
Tape it with piping in a 
position as mentioned in 
Fig. below.
Cover for 
the right 
piping
Piping
Drain hose
Cover for 
the left 
piping
Cover for the 
bottom piping
Cover for the 
bottom piping
Tape it with 
piping in a position as 
mentioned in 
Fig. below.
Piping
Drain 
hose
Cover 
for the 
left 
piping
1. Press the lower left and right side 
of the unit against the installation 
plate until hooks engage with their 
slot (sound click).
Installation 
plate
Unit’s 
hook
Cover for piping
In case the cover is cut, keep the 
cover at the rear of chassis as 
shown in the illustration for future 
reinstallation. 
(Left and 2 bottom covers for piping.)
How to keep the cover
6
1.  Please carry out insulation at pipe connection portion as mentioned in Indoor/Outdoor Unit Installation 
Diagram. Please wrap the insulated piping end to prevent water from going inside the piping.
2.  If drain hose or connecting piping is in the room (where dew may form), please increase the insulation by 
using POLY-E FOAM with thickness 1/4" (6 mm) or above.
PIPING INSULATION
Hook the indoor unit onto the 
upper portion of installation 
plate. (Engage the indoor unit 
with the upper edge of the 
installation plate). Ensure the 
hooks are properly seated 
on the installation plate by 
moving it in left and right.
Drain hose
Sleeve for 
piping hole
Indoor unit
Hooks at 
installation 
plate
Piping
1.  Open the front panel.
2.  Remove the air fi lters.
3.  Put the Air purifying fi lter into place as shown in illustration at right.
3
CONNECT THE PIPING
Please make fl are after inserting fl are nut (locate at joint 
portion of tube assembly) onto the copper pipe. (In case 
of using long piping)
Connect the piping
 Align the center of piping and suffi ciently tighten the 
fl are nut with fi ngers.
 Further tighten the fl are nut with torque wrench in 
specifi ed torque as stated in the table.
Decide piping length and then cut by using pipe cutter. 
Remove burrs from cut edge. 
Make fl are after inserting the fl are nut (locate at valve) onto 
the copper pipe. 
Align center of piping to valve and then tighten with torque 
wrench to the specifi ed torque as stated in the table. 
CONNECT THE CABLE TO THE OUTDOOR 
UNIT
5
1. Remove Top panel.
2.  Remove Control Board Cover (Resin and Metal).
3. Remove Plugs.
4.  Fix the conduit connectors to the knockout holes 
with lock-nuts, then secure them against the side 
panel.
5.  All wires pass through conduits.
6.  Connection cable between indoor lunit and outdoor 
unit should be UL listed or CSA approved 4 
conductor wires minimum AWG16 in accordance 
with local electric codes.
7.  Wire connection to the power supply (208/230V 
60Hz) through circuit breaker.
 •
Connect the UL listed or CSA approved wires  
minimum AWG14 to the terminal board, and 
connect the other end of the wires to ELCB / GFCI.
8.  Connect the power supply cord and connection 
cable between indoor unit and outdoor unit 
according to the diagram below.
9.  Secure the wire onto the control board with the 
holder (clamper).
10. After completing wiring connections, reattach the 
control board cover (Metal and Resin) and the top 
panel to the original position with the    
screws.
11. For wire stripping and connection requirement, refer 
to instruction 5 of indoor unit.
 •
Earth lead wire shall be Yellow/Green (Y/G) in colour and 
should be longer than other lead wires as shown in the 
fi gure for electrical safety in case of slipping.
More than 
2
Air purifying fi lter 8
Air fi lter
1 
31
/32" 
(50 mm) 
or more
2
9
/
16
" 
(65 mm) 
or more
8 ft (2.4 m) 
or more
(Left and right are identical)
Floor / Grade level
 
Vinyl tape
•  This illustration is for 
  explanation purposes only.
  The indoor unit will actually face 
  a different way.
3 
15
/
16
"
(100 mm) 
or more
39 
3
/
8
" 
(1000 mm)
or more
3 
15
/
16
"
(100 mm) 
or more
11 
13
/
16
"
(300 mm) 
or more
It is advisable to 
avoid more than 2 
blockage directions. 
For better ventilation 
& multiple-outdoor 
installation, please 
consult authorized 
dealer/specialist.
Installation plate 1
Sleeve (
)
Bushing-Sleeve (
)
Bend the pipe as 
closely on the wall as 
possible, but be careful 
that it doesn’t break.
Saddle (
)
Conduit 
(Power supply cord (
))
Control Board cover
Remote control holder fi xing screws
 6
Remote 
control
 3
Additional drain hose (
)
Gas side piping (
)
Conduit 
(Connection cable)
Putty (
) 
(Gum Type Sealer) 
Installation parts you 
should purchase ()
Vinyl tape (wide) ()
• Apply after carrying 
out a drainage test.
• To carry out the 
drainage test, 
remove the air fi lters 
and pour water into 
the heat exchanger.
Liquid side piping (
)
Piping direction Do not bend up 
drain hose
(Front side)
Right 
Rear
Right 
bottom
Left 
Rear
Left bottom
Left
Chassis
Conduit 
Connector
Conduit 
Cover
Lock Nut
Rear Side of Indoor Unit
Holder
Power 
supply 
cord
Indoor & 
outdoor 
connection 
cable 
Terminal 
Board
Earth wire 
longer 
than other 
AC wires 
for safety 
reasons
Earth wire 
longer 
than other 
AC wires 
for safety 
reasons
Control Board
Metal Cover
Top Panel
Power 
Supply 
Wires
Lock Nuts
Knockout 
Holes
Plugs
Side Panel
Connectors
Control Board 
Cover (Resin)
1. To cut
When properly fl ared, the internal surface of the 
fl are will evenly shine and be of even thickness. 
Since the fl are part comes into contact with the 
connections, carefully check the fl are fi nish.
Improper fl aring 
Inclined Surface
damaged
Cracked Uneven
thickness
3. To fl are
Bar
Handle
Core
Yo k e
Clamp handle
Bar
0 – 
1
/32" 
(0-0.5 mm)
Copper 
pipe
Reamer
2. To remove burrs
Point down
Pipe
Red arrow mark
Torque 
wrench
Spanner 
or Wrench
Pressure test to system to 400 PSIG with dry nitrogen, in stages. Thoroughly leak check the system.
If the pressure holds, release the nitrogen and proceed to section 4.
WHEN INSTALLING AN AIR CONDITIONER, BE SURE TO EVACUATE THE AIR INSIDE THE INDOOR 
UNIT AND PIPES in the following procedure.
1.  Connect a charging hose with a push pin to the Low side of a charging set and the service port of the 
3-way valve.
2.  Connect the micron gauge between vacuum pump and service port of outdoor units.
3.  Turn on the power switch of the vacuum pump and make sure that connect digital micron gauge and 
to pull down to a value of 500 microns.
4.  To make sure micron gauge a value 500 microns and close the low side valve of the charging set and 
turn off the vacuum pump.
5.  Disconnect the vacuum pump house from the service port of the 3-way valve.
6.  Tighten the service port caps of the 3-way valve at a torque of 13.3 Ibf.ft (18 N•m) with a torque 
wrench.
7.  Remove the valve caps of both of the 2-way valve and 3-way valve. Position both of the valves to 
“Open” using a hexagonal wrench (5/32" (4 mm)).
8.  Mount valve caps onto the 2-way valve and the 3-way valve.
 •
 Be sure to check for gas leakage.
4
 •
If micron gauge value does not descend 500 microns, take the following measures:
- If the leak stops when the piping connections are tightened further, continue working from step 
3
.
- If the leak does not stop when the connections are retightened, repair location of leak.
- Do not release refrigerant during piping work for installation and reinstallation. 
- Be careful with the liquid refrigerant, it may cause frostbite.
Gas side
Liquid side
Outdoor unit
Two-way valve
Three-way valve
Indoor unit
Vacuum 
pump
Close
Close
Hall Union
Flare Nut
(Auxiliary pipe)
(Connection pipe)
Applicable to 
Liquid and Gas side of
CS-E9RKUAW
Liquid side of
CS-E12RKUAW 
Torque Wrench for Flare Nut
Wrench
(Adjustable Wrench)
Male side Female side
Hall Union
Flare Nut
Pipe Size 
Reducer
Packing
Torque Wrench for Flare 
Nut and Pipe Size Reducer
Wrench
(Adjustable Wrench)
Applicable to
Gas side of
CS-E12RKUAW
(Connection pipe)
(Auxiliary pipe)
Female side
Male side
Decide piping length and then cut by using pipe cutter. Remove burrs from cut edge. 
Make fl are after inserting the fl are nut (locate at valve) onto the copper pipe. 
Align center of piping to valve and then tighten with torque wrench to the specifi ed torque as stated in the table. 
 •
Pipe size reducer (CZ-MA1P) for outdoor Multi connection 
CS-E12RKUAW
 •
Read the following “SAFETY PRECAUTIONS” carefully before installation.
 •
Electrical work must be installed by a licensed electrician. Be sure to use the correct rating of the power plug and main circuit for the model to be installed.
 •
The caution items stated here must be followed because these important contents are related to safety. The meaning of each indication used is as below.
Incorrect installation due to ignoring of the instruction will cause harm or damage, and the seriousness is classifi ed by the following indications.
The items to be followed are classifi ed by the symbols:
 •
Carry out test running to confi rm that no abnormality occurs after the installation. Then, explain to user the operation, care and maintenance as stated in 
instructions. Please remind the customer to keep the operating instructions for future reference.
SAFETY PRECAUTIONS
WARNING
This indication shows the possibility of causing death or serious injury.
CAUTION
This indication shows the possibility of causing injury or damage to properties only.
Symbol with white background denotes item that is PROHIBITED.
Symbol with dark background denotes item that must be carried out.
WARNING
Do not install outdoor unit near handrail of veranda. When installing air-conditioner unit on veranda of a high rise building, child may climb up to outdoor unit 
and cross over the handrail causing an accident.
Do not use unspecifi ed cord, modifi ed cord, joint cord or extension cord for power supply cord. Do not share the single outlet with other electrical appliances. 
Poor contact, poor insulation or over current will cause electrical shock or fi re.
Do not tie up the power supply cord into a bundle by band. Abnormal temperature rise on power supply cord may happen.
Do not insert your fi ngers or other objects into the unit, high speed rotating fan may cause injury.
Do not sit or step on the unit, you may fall down accidentally.
Keep plastic bag (packaging material) away from small children, it may cling to nose and mouth and prevent breathing.
When installing or relocating air conditioner, do not let any substance other than the specifi ed refrigerant, eg. air etc mix into refrigeration cycle (piping). Mixing 
of air etc will cause abnormal high pressure in refrigeration cycle and result in explosion, injury etc.
Do not add or replace refrigerant other than specifi ed type. It may cause product damage, burst and injury etc.
 •
For R410A model, use piping, fl are nut and tools which is specifi ed for R410A refrigerant. Using of existing (R22) piping, fl are nut and tools may cause 
abnormally high pressure in the refrigerant cycle (piping), and possibly result in explosion and injury.
 •
Thickness or copper pipes used with R410A must be more than 
1
/32" (0.8 mm). Never use copper pipes thinner than 
1
/32" (0.8 mm).
 •
It is desirable that the amount of residual oil is less than 0.0008 oz/ft (40 mg/10 m).
Engage authorized dealer or specialist for installation. If installation done by the user is incorrect, it will cause water leakage, electrical shock or fi re. 
Install according to this installation instructions strictly. If installation is defective, it will cause water leakage, electrical shock or fi re.
Use the attached accessories parts and specifi ed parts for installation. Otherwise, it will cause the set to fall, water leakage, fi re or electrical shock.
Install at a strong and fi rm 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.
For installation work, follow all electrical, building, plumbing, local codes, regulations and these installation instructions. If electrical circuit capacity is not 
enough or a defect is found in electrical work, it will cause electrical shock or fi re.
Do not use spliced wires for indoor / outdoor connection cable. Use the specifi ed indoor / outdoor connection cable, refer to instruction 5 INDOOR/OUTDOOR 
UNIT ELECTRICAL WIRING and connect tightly for indoor/outdoor connection. Clamp the cable so that no external force will have impact on the terminal. If 
connection or fi xing is not perfect, it will cause heat-up or fi re at the connection.
Wire routing must be properly arranged so that control board cover is fi xed properly. If control board cover is not fi xed perfectly, it will cause fi re or electrical 
shock.
This equipment must installed with an Earth Leakage Circuit Breaker (ELCB) or Ground Fault Current Interrupter (GFCI) or Appliance Leakage Current 
Interrupter (ALCI) that has been certifi ed by an NRTL Certifi ed Testing Agency and that is suitable for the voltages and amperages involved. Otherwise, if may 
cause electrical shock and fi re in case of equipment breakdown.
During installation, install the refrigerant piping properly before running the compressor. Operation of compressor without fi xing refrigeration piping and valves 
at opened condition will cause suck-in of air, abnormal high pressure in refrigeration cycle and result in explosion, injury etc.
During pump down operation, stop the compressor before removing the refrigeration piping. Removal of refrigeration piping while compressor is operating and 
valves are opened will cause suck-in of air, abnormal high pressure in refrigeration cycle and result in explosion, injury etc.
Tighten the fl are nut with torque wrench according to specifi ed method. If the fl are nut is over-tightened, after a long period, the fl are may break and cause 
refrigerant gas leakage.
After completion of installation, confi rm there is no leakage of refrigerant gas. It may generate toxic gas when the refrigerant comes into contact with fi re.
Ventilate if there is refrigerant gas leakage during operation. It may cause toxic gas when the refrigerant comes into contact with fi re.
This equipment must be properly earthed. Earth line must not be connected to gas pipe, water pipe, earth of lightning rod and telephone. Otherwise, it may 
cause electrical shock in case of equipment breakdown or insulation breakdown.
CAUTION
Do not install the unit at place where leakage of fl ammable gas may occur. In case gas leaks and accumulates at surrounding of the unit, it may cause fi re.
Do not release refrigerant during piping work for installation, re-installation and during repairing a refrigeration parts. Take care of the liquid refrigerant, it may 
cause frostbite.
Do not install this appliance in a laundry room or other location where water may drip from the ceiling, etc.
Do not touch the sharp aluminium fi n, sharp parts may cause injury.
Carry out drainage piping as mentioned in installation instructions. If drainage is not perfect, water may enter the room and damage the furniture.
Select an installation location which is easy for maintenance.
Power supply connection to the room air conditioner.
Power supply cord shall be UL listed or CSA approved 3 conductor with minimum AWG14 wires.
Power supply point should be in an easily accessible place for power disconnection in case of emergency.
In some countries, permanent connection of this air conditioner to the power supply is prohibited. 
Fix power supply connection to a circuit breaker for permanent connection.
Use NRTL approved fuse or circuit breaker (rating refers to name plate) for permanent connection.
Installation work.
It may take two people to carry out the installation work.
Example: For E9RKUAW
If the unit is installed at 32.8 ft (10 m) distance, the quantity of additional refrigerant 
should be 1.64 oz (50 g) .... (32.8 - 24.6) ft x 0.2 oz/ft = 1.64 oz. ((10 - 7.5) m x 
20 g/m = 50 g).
INDOOR UNIT
OUTDOOR UNIT
Do not install the unit in excessive oil fume area such as kitchen, workshop 
and etc.
There should not be any heat source or steam near the unit.
There should not be any obstacles blocking the air circulation.
A place where air circulation in the room is good.
A place where drainage can be easily done.
A place where noise prevention is taken into consideration.
Do not install the unit near the door way.
Ensure the spaces indicated by arrows from the wall, ceiling, fence or other 
obstacles.
Recommended installation height for indoor unit shall be at least 8 ft (2.4 m).
If an awning is built over the unit to prevent direct sunlight or rain, be careful that 
heat radiation from the condenser is not obstructed.
There should not be any animal or plant which could be affected by hot air 
discharged.
Keep the spaces indicated by arrows from wall, ceiling, fence or other obstacles.
Do not place any obstacles which may cause a short circuit of the discharged air.
If piping length is over the [piping length for additional gas], additional refrigerant 
should be added as shown in the table.
Recommended installation height for outdoor unit should be above the seasonal 
snow level.
Attached accessories
Applicable piping kit
Piping size
Gas Liquid
CZ-3F5, 7BP 3/8" (9.52 mm) 1/4" (6.35 mm)
CZ-4F5, 7, 10BP 1/2" (12.7 mm) 1/4" (6.35 mm)
CZ-52F5, 7, 10BP 5/8" (15.88 mm) 1/4" (6.35 mm)
SELECT THE BEST LOCATION
Model
Capacity 
(Btu/h)
Piping size
Std.
Length 
Max. 
Elevation
Min. 
Piping
Length
Max. 
Piping 
Length
Additional 
Refrigerant
Piping
Length
for add.
gas
Gas
Liquid
E9RKUAW 9000
3/8"
(9.52 mm)
1/4"
(6.35 mm)
24.6 ft
(7.5 m)
49.2 ft
(15 m)
9.8 ft
(3 m)
65.6 ft
(20 m)
0.2 oz/ft
(20 g/m)
24.6 ft
(7.5 m)
E12RKUAW 11500
1/2"
(12.7 mm)
Indoor/Outdoor Unit Installation Diagram
Insulation of piping connections
Attaching the remote control holder to the wall
 • Carry out insulation after 
checking for gas leaks and 
secure with vinyl tape.
Remote control holder
 5
 WARNING
This equipment must be properly earthed.
Model
Dimension
123 456
E9RKUAW, 
E12RKUAW
or
19 
9
/32" 
(490 mm)
3 
7
/32" 
(82 mm)
17 
9
/32" 
(439 mm)
17" 
(432 mm)
1 
11
/16" 
(43 mm)
3 
3
/4" 
(95 mm)
 CAUTION
When the wall is hollow, please be sure 
to use the sleeve for tube assembly to 
prevent dangers caused by mice biting 
the connection cable.
Replace the drain hose
Indoor and 
outdoor 
connection 
cable
Terminal 
Board
Earth wire 
longer than 
others 
AC wires 
for safety 
reason
1. FOR THE RIGHT REAR 
PIPING
Step-1
Pull out the Indoor 
piping
Step-2 Install the Indoor Unit
Step-3 Secure the Indoor Unit
Step-4
Insert the connection 
cable
2. FOR THE RIGHT BOTTOM 
PIPING
Step-1
Pull out the Indoor 
piping
Step-2 Install the Indoor Unit
Step-3
Insert the connection 
cable
Step-4 Secure the Indoor Unit
3. FOR THE EMBEDDED 
PIPING
Step-1 Replace the drain hose
Step-2
Bend the embedded 
piping
 • Use a spring bender or equivalent 
to bend the piping so that the 
piping is not crushed.
Step-3
Pull the connection 
cable into Indoor Unit
 • The inside and outside connection 
cable can be connected without 
removing the front grille.
Step-4
Cut and fl are the 
embedded piping
 • When determining the dimensions 
of the piping, slide the unit all the 
way to the left on the installation 
plate.
 • Refer to the section “Cutting and 
fl aring the piping”.
Step-5 Install the Indoor Unit
Step-6 Connect the piping
 • Please refer to “Connecting the 
piping” column in outdoor unit 
section. (Below steps are done 
after connecting the outdoor piping 
and gas-leakage confi rmation.)
Step-7
Insulate and fi nish the 
piping
 • Please refer to “Insulation of piping 
connection” column as mentioned 
in indoor/outdoor unit installation.
Step-8 Secure the Indoor Unit
Right Rear piping
Right and Right Bottom piping
Install the indoor unit
Secure the Indoor Unit
To take out the unit, 
push the 
 marking at 
the bottom unit, and pull 
it slightly towards you to 
disengage the hooks from 
the unit.
Insert the connection cable
(This can be used for left rear piping and bottom piping also.)
Model A B C D
E9RKUA, E12RKUA
22 
7
/16"
(570 mm)
4 
1
/8"
(105 mm)
23
/32" 
(18.5 mm)
12 
19
/32"
(320 mm)
 WARNING
This equipment must be properly earthed.
Connecting The Piping to Indoor
Connecting The Piping to Outdoor
Connecting The Piping to Outdoor Multi
Gas Leak Checking
Do not over tighten, overtightening may cause gas leakage.
Piping size Torque
1/4" (6.35 mm) 13.3 Ibf.ft [18 N•m (1.8 kgf•m)]
3/8" (9.52 mm) 31.0 Ibf.ft [42 N•m (4.3 kgf•m)]
1/2" (12.7 mm) 40.6 Ibf.ft [55 N•m (5.6 kgf•m)]
5/8" (15.88 mm) 47.9 Ibf.ft [65 N•m (6.6 kgf•m)]
3/4" (19.05 mm) 73.8 Ibf.ft [100 N•m (10.2 kgf•m)]
EVACUATION OF THE EQUIPMENT
HOW TO TAKE OUT FRONT GRILLE
INSTALLATION OF AIR 
PURIFYING FILTER
AUTO SWITCH OPERATION
When reinstalling the front grille, fi rst set 
the vertical airfl ow direction louver to the 
horizontal position and then carry out 
above steps 2 - 3 in the reverse order.
 •
IMPORTANT
This product has been designed and manufactured to meet ENERGY STAR
®
 criteria for energy efficiency when matched with appropriate coil components. However, 
proper refrigerant charge and proper air flow are critical to achive rated capacity and efficiency. Installation of this product should follow the manufacturer’s 
refrigerant charging and air flow instructions. Failure to confirm proper charge and airflow may reduce energy efficiency and shorten equipment life.
9 
17
/
32
"
(241.5 mm)
Indoor unit 
drain hose
3/4" (20 mm) nominal PVC pipe
- Install incline downward more than 1°
- Apply PVC glue at the join.
Drain hose adapter 
9
Close join by Vinyl Tape ( )
 •
Join indoor drain hose to 3/4" 
(20 mm) nominal PVC pipe size 
by using drain hose adapter 
9
when necessary.
Drain hose adapter 
9 usage
Remarks :
Make sure indoor unit drain hose 
& 3/4" (20 mm) nominal PVC pipe 
are fully inserted to drain hose 
adapter 
9.
Outdoor Unit
1
2
3
1
2
L1
L2
3
Terminal Terminal
Indoor Unit
Disconnect 
Switch
Field supply
Grounding wire
Grounding wire min AWG16
* Ensure all connecting wire 
between indoor unit and 
outdoor unit and power supply 
cord are installed in individual 
conduit.
Power Supply 
Single Phase 
208/230V 60Hz 
min AWG14
208/230V min AWG16
208/230V min AWG16
208/230V min AWG16
Terminals on the indoor unit 1 2 3
Colour of wires (connection cable)
Terminals on the outdoor unit 1 2 3
For best strength of 
INDOOR unit installation, 
it is highly recommended 
to locate “
” at 5 position 
as shown. 
WARNING
RISK OF FIRE
JOINING OF WIRES 
MAY CAUSE 
OVERHEATING 
AND FIRE.
OR
OR
OR
Wire stripping
No loose strand 
when inserted
WIRE STRIPPING, 
CONNECTING 
REQUIREMENT
Conductor 
fully inserted
Conductor 
over inserted
Conductor not 
fully inserted
ACCEPT PROHIBITED PROHIBITED
Use complete wire without joining.
Use approved socket and plug with earth pin.
 Wire connection in this area must follow to 
national wiring rules.
Do not joint wires
13/32" ± 1/16"
(10±1 mm)
Indoor/outdoor 
connection 
terminal board
7
/32" (5 mm) 
or more
(gap between wires)
Cap
Screw
(Move the vane 
to upward)
Vane
Cap
Vane
Front grille
ECO SENSOR
 •
Do not hit or violently press the sensor. 
This can lead to damage and malfunction.
 •
Do not place large objects near the sensor and keep heating units 
or humidifi ers of the sensor’s detection area. 
This may lead to sensor malfunction.
ECO SENSOR


