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1. Pipe Cutting and Flaring
2. Pipe Connection
Use a pipe cutter to cut the pipe and remove burr.
Remove the flare nut from the pipe of the indoor
•
•
unit by removing the flare nut (female side) with a
Trimming tool
spanner while holding down the half union (male
side) with a spanner.
Do not crush the pipe while bending it.
•
Copper pipe
•
Apply refrigerant oil on the connection part. After
carrying out the center alignment and manual
CAUTION
tightening of the flare nut, tighten the flare nut
securely with a torque wrench (spanner).
• Remove burr
If burr is not removed, it may cause leakage.
• Point the side to be trimmed downwards during
Half union
Flare nut
trimming to prevent copper chips from entering the
pipe.
Male side
Wrench
Before flaring, please put on the flare nut.
•
Torque wrench
Die
Die
A
* Tightening torque must be as shown in the table below.
Copper pipe
Outer diameter
f o
p
p i
e
) ø
(
Please use exclusive tool for refrigerant R410.
Small diameter side
6.35 (1/4 " )
13.7~18.6 (140~190)
A (mm) Rigid Flaring Tool
Outer Diameter
12.7 (1/2 " )
Large diameter side
44.1~53.9 (450~550)
(ø)
For R410A tool
For R22 tool
Valve
Small diameter side
6.35 (1/4 " )
19.6~24.5 (200~250)
6.35 (1/4 " )
head
0~0.5
1.0
Large diameter side
12.7 (1/2 " )
29.4~34.3 (300~356)
cap
" )
12.7 (1/2
0~0.5
1.0
Valve core cap
12.3~15.7 (125~160)
CAUTION
• When removing flare nut of the indoor unit, first remove the nut of small diameter side.
Otherwise the nut of big diameter side will fly out.
• Prevent water from entering into the piping when connecting.
• Be sure to tighten the flare nut to the specified torque with a torque wrench.
If the flare nut is overtightened, it may split after sometime and may cause refrigerant leak.
• When using a control valve, make sure that the packing is not deteriorated and avoid excessive tightening
of the handle. Otherwise, gas may leak from the service valve.
3. Remove of Air from the Pipe and Gas Leakage Inspection
From the viewpoint of global environment protection,
• Remove the valve head cap
of the service valve.
air purge type should be vacuum pump method.
• Remove the cap of valve
core and connect the charge
• Fully tighten the "Hi" shuttle of the manifold valve and
1
hose.
completely unscrew the "Lo" shuttle. Run the vacuum
• Connect the vacuum pump
pump. (Adapter is switched on)
adapter to the vacuum pump
2
•
After pumping for about 10-15 minutes, completely
and connect the charge hose
loosen the "Lo" shuttle and switch off the vacuum
Cap of valve core
to the adapter.
pump. (Adapter is switched off)
• Loosen the spindle of the service valve with
Meter showing pressure
Make sure the meter
small diameter by 1/4 turn and tighten the spindle
3
reaches -0.1MPa
Closed
immediately after 5 to 6 seconds.
(-76cmHg) during pumping.
• Remove the charging hose from the service valve.
R410A Manifold valve
When pumping starts, slightly loosen
Valve
the flare nut to check if air sucked in.
Body of service valve
• Unscrew the spindle of both the
Then tighten the flare nut.
service valves in anticlockwise
Cap of
Ball valve
Vacuum pump
valve core
direction to allow the flow of
Charge hose
4
Hexagonal
refrigerant (unscrew halfway).
wrench key
• Tighten the cap of valve head.
Vacuum pump adapter
Check and make sure that there
is no gas leakage.
Please leave the ball valve fully open
at all times.
Ball valve
Terminal marking
Wiring of the Outdoor Unit
A B C
Please remove the side cover and terminal cover for wiring connection.
WARNING
• The connecting cord must be fix with cord band
Otherwise rain water may enter and cause short circuit. Besides, an external
force may apply to the connection part of the connecting cord and could result
in heat and fire.
• The terminal cover and side cover must be installed after work is done.
Cord band
IMPORTANT
CAUTION
Fuse Capacity
• Outdoor supply cords shall not be lighter than polychloroprene sheathed
25A time-delay fuse
flexible cord with code designation 60245 IEC 57.
1. Heat Insulation and Finishing of Piping
• Cover the pipe connection with the auxiliary insulation sheet,
Insulate
Seal with putty
and wrap
wrap the tape without any gap.
Connecting cord
with tape
• If there is gap or over-tightened, it may cause condensation.
Refrigerating
• Please wrap the pipe and power cord together with vinyl
pipe
tape as shown in the figure of the installation of indoor and
Drain hose
Do not cut the drain
outdoor units on page 2.
Bush for pipe
hose in the middle
• To enhance the heat insulation and to prevent water
condensation, please cover the outdoor part of the drain
When using an exit
hose and pipe with insulation sheet.
cover, do not attach a
• When using an exit cover, do not attach a bush for pipe.
bush for pipe.
• When an exit cover is not used, seal the gap of the hole
Putty
on the wall, bush and pipe completely with putty. If an exit
cover is used, seal the gap of the hole on the wall and pipe
CAUTION
completely with putty. In the case of embedded piping,
• Completely seal any gap with putty
seal the gap of the pipe completely with putty. Incomplete
High humidity air inside the wall or the outdoor may
sealing could cause entering of high humidity air into the
go in to the room and could result in dripping of dew.
wall or indoor unit, which could result in dripping of dew. It
It could also cause smell or odor present outdoor and
could also cause smell or odor present outdoor and inside
inside the wall spreading into the room.
the wall spreading into the room.
2. Affixing the Remote Controller and Installing the Anti-mold Wasabi Cassette
• The remote controller may be affixed to a wall or pillar with the remote controller mounting screw.
• When operating the air conditioning with the remote controller attached, please make sure that the signal is received by
the air conditioning. Furthermore,
fluorescent lighting may affect the reception of the signal, therefore, please make sure
by turning on the fluorescent lighting even during the day.
• Lighting fixtures with electronic starters may shorten the reception distance and may even interfere with the signal being
received.
• Install the
anti-mold wasabi cassette.
Installation methods
(Refer to page 8 of the Operation Manual)
Wall surface
Noise may occur if the anti-mold wasabi
cassette is not installed properly.
Screws fixing
Anti-mold wasabi
the remote
cassette
controller
Works to be done when transferring or removing air
Gas Leakage Inspection
conditioner
Please use gas leakage detector
to check if leakage occurs at
From the viewpoint of global environment protection,
connection of Flare nut as
refrigerant should be recovered (pumped down) when the
air conditioner is transferred or removed.
shown on the right.
Perform force-cooling operation (refer to "Force-cooling
If gas leakage occurs, further
operation" on page 12) for about 5 minutes as a preliminary
tighten the connection to stop
operation.
leakage. (Be sure to use R410A
Tighten the spindle of the service valve at small diameter
detector.)
side in clockwise direction.
Continue the force-cooling operation for another 1-2
minutes, and then tighten the spindle of the service valve
at large diameter side in clockwise direction.
Stop the force-cooling operation.
Female side
Procedures of Wiring
Detail of Cutting the Connecting Cord
• Indoor unit
Indoor unit
Outdoor unit
70mm
Torque N•m
10mm
k (
f g
c •
m
)
AC 220V
A
1ø 50Hz
Strip
wires
B
A
B
C
A
B
C
Connecting
Connecting cord
cord
• Outdoor unit
160mm
10mm
A
ø2.0
B
WARNING
•
If the supply cord is damaged, it must be replaced by a special cord (Maker's service parts) available from the manufacturer
or its service agent.
•
The naked part of the wire core should be 10mm fix it to the terminal tightly. Then try to pull the individual wire to check if the
contact is tight. Improper insertion may burn the terminal.
•
Be sure to use only wire specified for the use of air-conditioner.
•
Be sure to use only power cables approved form the authorities in your country. For example in Germany: Cable type: NYM
2
3×2.5mm
. (Fuse = 16A time delay)
•
Please refer to the manual for wire connection, the wiring technique should meet the standard of the electrical
installation.
•
Leave some space in the connecting cord for maintenance purpose and be sure to secure it with the cord band.
•
Secure the connecting cord along the coated part of the wire using the cord band. Do not exert pressure on the wire as this
Valve head cap
for the service
may cause overheating or fire.
valve at small
•
There is a AC voltege of 220V between the A and B terminals. Therefore, before servicing, be sure to remove the plug from
diameter side
the AC outlet.
Valve head
Wiring of the Indoor Unit
cap for the
service valve
Remove the front panel. (Refer to "Removing and
Bring the connecting cord
at large
diameter side
from the rear surface to the
Attaching the Front Panel" on page 13)
front surface through the
Remove the terminal cover and screw, hold the upper
part when removing.
cable guide.
The connecting cord should
Screw
be fix with the terminal.
Tightening torque reference
Terminal cover
value:
1.2~1.6N•m (12~16kgf•cm)
Lower cover
Excessive tightening may
damage the terminal.
Connect the connecting cord
and fix with cord band.
Cap of valve
Remove the lower cover.
head
Hook onto the claw at the
Cap of valve
lower part of the terminal
head
cover and fix with screw.
Terminal cover
About Address Selector Switch
This is utilized to avoid the interference of remote controller signals when two indoor units
are installed in the same room. The Address Selector Switch is on the outside of the remote
controller battery cover. (Factory setting is set to "A")
• Setting the address (to avoid interference)
Only one of the two indoor units has to be set (turn off the power to the other indoor unit).
Place a battery in the remote controller and press the reset switch. (Refer to page 11 of
the Operation Manual)
While pointing the remote controller transmitter/receiver at the indoor unit, move the
switch of the Address Selector Switch to "B".
The channel is set when the unit beeps, confirming it has received the signal.
• After changing the address, please confirm the unit's operation with the remote controller.
If the unit does not operate, return the switch to "A" and set the switch again.
3. Remove the Protection Sheet
• Remove the protection sheet on the display panel.
Auxiliary
insulation sheet
About 90mm
Putty
4. Power Source and Operation Test
Power source
Force-cooling operation
• When the temporary switch of the indoor unit is pressed for
WARNING
more than 5 seconds, the force-cooling operation starts.
Use this mode when performing the failure diagnosis or
• Never modify or extend the power cord.
collecting refrigerant into the outdoor unit.
• Keep additional length for the power cord and do not
• The Timer lamp flashes when force-cooling is in operation.
render the plug under external force as this may cause
• Press the temporary switch again or use the remote controller
poor contact.
to stop the force-cooling operation once this operation is
•
Do not fix the power cord with U-shape nail.
completed.
• The power cable easily generates heat. Do not bring
the cable together with a wire or vinyl tie.
Temporary switch
CAUTION
(Force-cooling operation starts when the
switch is pressed for more than 5 seconds.
• Use a new power outlet.
Press the switch again and use the remote
Old power outlet may cause insufficient electrical contact,
controller to stop the operation.)
which could result in unforeseen accident.
• Connect and disconnect the power plug a few times
to ensure smooth plug-in before completely insert the
power plug into the power outlet.
Operation test
• Do not operate the unit for more than 5 minutes while
• Please ensure that the air conditioner is in normal operating
the spindle of the service valve is closed.
condition during the operation test.
• Explain to your customer about the proper operation procedures
as described in the operation manual.
• If the indoor unit won't operate, check the cable for correct
connection.
Removing and Attaching the Front Panel
• Be sure to hold the front panel with both hands to detach and attach it.
Please refer to the operation manual on how to open and close the front panel.
Removing
Move
Move
Move
Arm
70mm
Green + Yellow
(ground)
10mm
C
Strip
wires
10mm
Connecting cord
Push the end of the right-side arm outward to release the tab.
45mm
Move the left-side arm outward to release the left tab,
160mm
Strip
10mm
and then pull the panel towards you.
C
wires
Attaching
Green +
Yellow
20mm
100mm
Insert
Insert
Insert
Arm
Step
Refrigerating
pipe
Insert the shaft of the left arm along the step on the unit into the hole.
Securely insert the shaft of the right arm along the step on the
Cable
unit into the hole.
guide
Make sure that the front panel is securely attached, and then close
the front panel.
Drain hose
Connecting
cord
Connecting
CAUTION
cord
When being installed or removed, the panel is likely to slide off.
When lifting to open the panel, do not apply too much force. Otherwise,
Cord band
the panel may come off or malfunction may be caused.
CAUTION
•
Before trial running of the air conditioner, be sure to check the following steps 1 and 2, and then operate it
in the cooling-heating room.
Address
Address
Verifying installation of the terminal block and the front panel
Switch
Check whether the terminal block
To close the front panel, press its right and left sides first and
cover has been installed.
then the center until it clicks into place.
Address selector switch
Fixing screws
the terminal block
Verifying cleaning of the filter mesh
Display panel
Before turning on the power of the air conditioner, make sure that the filters (2 pieces at the top and 2 pieces in
front) have been installed properly and locked.
When the power of the air conditioner turns on, the "Filter Cleaning Operation" starts automatically.
The
clean indicator is lit during the filter cleaning operation.
Unlike the coventional type of air conditioner, this air conditioner has no
grille at its top surface, It is because this air conditioner is equipped with the
cleaning unit, and to prevent the top surface from getting dirty easily.
Do not touch the cleaning unit during
the filter cleaning operation.
Cleaning Unit
Doing so could result in injury or
failure of the appliance.
Front Panel
Filter Lock
• Make sure that the top filters have
On twice/Off
been locked. Lock the filters if
for 2
they are not locked. (The filters
may come off during the operation
if they are not locked.)
• Filter cleaning operation check will take approximately 5 minutes for the cleaning unit to make one cycle of back and forth
movement. Make sure that the cleaning unit is actually working by a visual inspection from the top of the indoor unit.
CAUTION
• Close the front panel properly.
• If the "ON/OFF" button on the remote control is pressed during the operation check, the operation check is stopped
before its completion. Wait until the operation check is completed without pressing any button on the remote controller.
• If the filters are not installed properly, "Filter Cleaning Operation" is found abnormal and the
The filters may come off during operation if they are not installed properly.
• If the
clean indicator blinks during the "Filter Cleaning Operation" means that the operation is stopped before its
completion due to an abnormal condition.
In this case, refer to "Check the Operation of the Filter Cleaning Unit" and "Troubleshooting" of the operation manual and
take appropriate actions.
How to remove the panel frame
Remove the front panel and the storage box.
Screw
Screw
storage
box
Screw cover
Terminal block cover
front panel
Screw
Arm
Unscrew screws of the terminal block cover,
and remove the terminal block.
Remove the screw cover below the panel frame,
and unscrew the 7 screws from the panel frame.
Insert
Insert
Insert
Insert the screw driver into the hole on the right
upper part of the panel frame, and loosen the jaw.
Arm
Step
Hold the panel frame and pull it along the direction
indicated by the arrow to remove it.
How to check Micro Mesh Stainless Filter installation
• Remove the front panel and check if the filter locks (2 pcs) are tripped or slant.
• If the filters are not inserted properly, refer to following "Installing the Micro Mesh Stainless Filters".
• Please perform "Filter cleaning operation check" again after reinstalled the filters.
Installing the Micro Mesh Stainless Filters
Neck
front panel
Keep the filter mesh facing up, and align the filter with
the top face of the indoor unit, and then slide and push
it in. (The shape of the left and right filters are the same.)
Settings of [Dynamic Wind Deflection]
When the indoor unit is installed in a corner, please set it by following the procedure below to achieve the maximum effect:
•
Cleaning indicator
Left-corner installation
Right-corner installation
To verify cleaning of the
After the cleaning action is
Less than
filter mesh, send wind
acknowledged, if the cleaning
1 m
when upper and lower wind
diagnosis indicator blinks (4"
Indoor unit
boards are closed. The
on/1" off), it indicates abnor-
cleaning indicator lights up.
mality in cleaning operation of
Walls
the filter mesh. In this case,
refer to the Operating
Instructions for a solution.
Keep holding it
Hold it for more than
5 seconds
•
•
The setting completes when the
The setting completes when the
machine beeps.
machine beeps.
On
Off
•
When the air guide mode is set to
•
When the air guide mode is set to
evasion, the air is sent to all areas
evasion, the air is sent to all areas
except the left side.
except the right side.
•
When the room and installing location change, please set the remote controller again.
clean indicator blinks.
Attaching the Front Cover
Make sure that the dew receiving pan and the cleaning unit
are securely attached.
After attaching the left and right sides of the front cover onto
Screw
the unit, ensure that the top tabs (2 places) have been fixed
Terminal block cover
on.
Fix on the top tabs (2 places)
Tighten the 7 screws in the panel.
Install the terminal block cover, and tighten the screws.
Install the screw cover.
Screw
Screw
Terminal block cover
front panel
Terminal block cover
Screw cover
Screw
Install the storage box and the panel.
H-LINK
[For details on part numbers of optional accessories,
refer to the catalogue.]
To connect to H-LINK, purchase a RAC adaptor separately.
• When connecting wires, be sure to open the electric
box cover.
•
Connect the socket of RAC adaptor to CN7.
•
Reattach the electric box cover.
•
For details on the RAC adaptor, refer to its user manual.
•
Please take care when connecting the optional adaptor
to prevent the edge of the circuit board from cutting the
lead wire.
•
Remove and install the front cover by referring to this
Instruction Manual.
CN7
CN7
Filter mesh buckle
Slide the buckles of the filter mesh leftwards to lock
the filter mesh. (Each in both sides)
Central installation
Remote controller (with
the upper cover opened)
Less than
More than
More than
1 m
1 m
1 m
Indoor unit
Indoor unit
Walls
Walls
Keep holding it
This is the factory default setting.
Hold it for more than
5 seconds
Keep holding it
Hold it for more than
5 seconds
The setting completes when the
machine beeps.
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