Hitachi RAS-13EX9G User manual

SPLIT TYPE
INDOOR UNIT/OUTDOOR UNIT
MODEL
RAS-13EX9G / RAC-13EX9G
RAS-18EX9G / RAC-18EX9G
Instruction Manual Page 1~40
To obtain the best performance and ensure years of trouble free use, please read this instruction manual
completely.
Arahan Pengendalian Muka surat 41~80
Untuk mendapatkan prestasi yang tinggi dan mengelakkan masalah untuk jangka masa yang lama, sila
baca arahan ini sepenuhnya.
RAC-13EX9G
OUTDOOR UNIT INDOOR UNIT
RAS-13EX9G
RAS-18EX9G
RAC-18EX9G
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WARNING
SAFETY PRECAUTION
• Please read the “Safety Precaution” carefully before operating the unit to ensure correct usage of the unit.
• Pay special attention to signs of “ Warning” and “ Caution”. The “Warning” section contains matters
which, if not observed strictly, may cause death or serious injury. The “Caution” section contains matters
which may result in serious consequences if not observed properly. Please observe all instructions
strictly to ensure safety.
• The signs indicate the following meanings.
Make sure to connect earth line. This sign in the figure indicates prohibition.
Indicates the instructions that must be followed.
• Please keep this manual after reading.
PRECAUTIONS DURING INSTALLATION
WARNING
CAUTION
• Do not reconstruct the unit.
Water leakage, fault, short circuit or fire may occur if you reconstruct the
unit by yourself.
• Please ask your sales agent or qualified technician for the installation of your unit.
Water leakage, short circuit or fire may occur if you install the unit by yourself.
• Please use earth line.
Do not place the earth line near water or gas pipes, lightning-conductor, or
the earth line of telephone. Improper installation of earth line may cause
electric shock.
• A circuit breaker should be installed depending on the mounting site of
the unit. Without a circuit breaker, the danger of electric shock exists.
• Do not install the unit near location where there is flammable gas.
The outdoor unit may catch fire if flammable gas leaks around it.
• Please ensure smooth flow of water when installing the drain hose.
PRECAUTIONS DURING SHIFTING OR MAINTENANCE
• Should abnormal situation arise (like burning smell), please stop operating
the unit and turn off the circuit breaker. Contact your agent. Fault, short
circuit or fire may occur if you continue to operate the unit under abnormal
situation.
• Please contact your agent for maintenance.
Improper self maintenance may cause electric shock and fire.
• Please contact your agent if you need to remove and reinstall the unit.
Electric shock or fire may occur if you remove and reinstall the unit yourself improperly.
PRECAUTIONS DURING OPERATION
W
A
R
N
I
N
G
• Avoid an extended period of direct air flow for your health.
• Do not put objects like thin rods into the panel of blower and suction side because
the high-speed fan inside may cause danger.
• Do not use any conductor as fuse wire, this could cause fatal accident.
• During thunder storm, please stop operating the unit and turn off the circuit breaker.
“OFF”
“OFF”
– 2–
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• The product shall be operated under the manufacturer specification and not for
any other intended use.
• Do not attempt to operate the unit with wet hands. This could cause fatal accident.
• When operating the unit with burning equipment, regularly ventilate the room to
avoid oxygen insufficiency.
• Do not direct the cool air coming out from the air-conditioner panel to face
household heating apparatus as this may affect the working of apparatus such
as the electric kettle, oven etc.
• Please ensure that outdoor mounting frame is always stable, firm and without
defect. If not, the outdoor unit may collapse and cause danger.
• Do not splash or direct water to the body of the unit when cleaning it as this may
cause short circuit.
• Do not use any aerosol or hair sprays near the indoor unit. This chemical can
adhere on heat exchanger fin and blocked the evaporation water flow to drain
pan. The water will drop on tangential fan and cause water splashing out from
indoor unit.
• Please switch off the unit and turn off the circuit breaker during cleaning, the high-
speed fan inside the unit may cause danger.
• Turn off the circuit breaker if the unit is not to be operated for a long period.
• Do not climb on the outdoor unit or put objects on it.
• Do not water container (like vase) on the indoor unit to avoid water dripping onto
the unit. Dripping water will damage the insulator inside the unit and causes short-
circuit.
• Do not place plants directly under the air flow as it is bad for the plants.
• When operating the unit with the door and windows opened, (the room humidity is always
above 80%) and with the air deflector facing down or moving automatically for a long period of
time, water will condense on the air deflector and drips down occasionally. This will wet your
furniture. Therefore, do not operate under such condition for a long time.
• If the amount of heat in the room is above the cooling or heating capability of the unit (for
example: more people entering the room, using heating equipments and etc.), the preset room
temperature cannot be achieved.
PRECAUTIONS DURING OPERATION
C
A
U
T
I
O
N
“OFF”
“OFF”
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NAMES AND FUNCTIONS OF EACH PART
DRAIN PIPE
Condensed water drain to outside.
CONNECTING CORD
AIR INLET (BACK)
AIR OUTLET
MODEL NAME AND DIMENSIONS
INDOOR UNIT
OUTDOOR UNIT
DRAIN PIPE
Condensed water drain to outside.
CONNECTING CORD
AIR INLET (BACK)
AIR OUTLET
RAC-18EX9G
RAC-13EX9G
MODEL WIDTH (mm) HEIGHT (mm) DEPTH (mm)
RAS-13EX9G / RAS-18EX9G
RAC-13EX9G
RAC-18EX9G
870
700
850
298
570
800
223
210
298
Fresh Air In Exhaust Fan (Internal)
This operates during the fresh air in, exhaust,
2-way exchange and Nano-titanium air
purifying operation.
Nano-Titanium Air Purifying Unit (Internal)
This traps cigarette smoke, pollen, etc.
(Refer page 29)
Pre-Filter (Internal)
To prevent dust from coming into
the indoor unit.
(Refer page 29)
Air Outlet
Horizontal Deflector/
Vertical Deflector (Internal)
Front Panel
(Refer to pages 29, 33)
Fresh Air Window
This blows air from outside into the room
while the fresh air in is operating.
This blows air in the room during 2-way
exchange and Nano-titanium air purifying
operation.
Display (Refer page 5)
Signal Receiver
Receive the
signal from the
remote controller.
Power Plug
Top Grill
(Refer page 34)
Movable Panel
This panel opens during the operation
and closes when operation stop.
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INDOOR UNIT INDICATORS
OPEN THE FRONT PANEL
● AIR MONITOR LAMP (yellow)
This lamp lights when the air monitor is set.
● FILTER LAMP (green)
● SUPER COOL LAMP (yellow)
● TWO WAY AIR EXCHANGE LAMP (green)
This lamp lights when the fresh air in and exhaust
are operating.
● OPERATION LAMP (yellow)
This lamp lights during operation.
● TIMER LAMP (orange)
This lamp lights when the timer is working.
■Turn off the device before opening the front panel.
Open the Front Panel
Hold both sides of the front panel and lift
up. Do not hold the movable panel when
opening and closing the front panel.
Front panel
Movable panel
Hold both sides of the front panel and lift
up.
Nano Titanium
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NAMES AND FUNCTIONS OF EACH PART
DUCT FILTER
INDOOR UNIT CONTROL PANEL
■Operate after opening the front panel. (How to open the front panel, refer to page 5.)
Temporary Switch
If the remote controller does not work due to battery
failure, press this switch to start and stop operation.
• This temporary operation will be at the most recent
setting mode. (The unit will immediately go into
automatic operation once power is switched on.)
✩If the power stays on and the unit is not operated, power is slightly consumed in the control circuit.
The power is saved by turning off the circuit breaker.
CAUTION
Turn off the circuit breaker or pull
out the power plug if the unit is not
in use for a long period.
Nano-Titanium Disinfecting/
Deodorizing/Dust Collecting
Fresh Air In Filter
This disinfects, deodorizes and
eliminates dust from the air
ventilated from the outside.
(Refer to pages 29, 32)
Fresh Air in Filter
This traps dirt and dust particles
in the air ventilated from the
outside. (Refer to pages 29, 32)
Two Way Air Exchange
Selection Switch
Select one of the following:
“Prohibit Two Way Air
Exchange”, “Only Exhaust”,
and “Operate Two Way Air
Exchange”.
Dirt Sensor
The Dirt Sensor detects
cigarette smoke etc. (Refer
page 18)
TEMPORARY
SWITCH
FORCE
COOL
PUSH AND HOLD THE SWITCH FOR 3 SEC
TO START THE FORCE COOL OPERATION.
FOR SERVICE MAN USE ONLY
Front Panel
Force Cool (For service man use only)
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Signal Emitting Window / Transmission Sign
Point this window toward the indoor unit when
controlling it. The transmission sign blinks when a
signal is sent.
Display
This indicates the room temperature selected, current time,
timer and intensity of circulation selected.
START / STOP Button
Press this button to start operation. Press it again to
stop operation.
SLEEP Button
Use this button to set the sleep timer.
SUPER COOLING Button
Press this button to start super cooling mode.
SILENT Button
Press this button to start silent mode.
FAN Button
Use this button to increase and decrease fan
speed.
TEMPERATURE Button
Use this button to raise or lower the temperature setting.
(Keep pressing and the value will change more quickly.)
EXHAUST Button
FRESH AIR IN Button
AUTOMATIC TWO WAY AIR EXCHANGE Button
Press this button to set the automatic two way air
exchange mode.
NAMES AND FUNCTIONS OF REMOTE CONTROL
REMOTE CONTROL : This controls the operation of the indoor unit. The range of control is
about 7 meters. If indoor lighting is controlled electronically, the range of control may be
shorter. Before fixing it, make sure the indoor unit can be controlled from the remote controller.
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NAMES AND FUNCTIONS OF REMOTE CONTROL
FUNCTION Selector
Use this button to select the operating mode. Every
time you press this button, the mode will change from
AUTO →COOL →DEHUMIDIFY →
CIRCULATION →FAN cyclically.
AIR PURIFIER Button
Press this button to start the air purifier mode.
TWIN AIR FLOW Button
Use this button to allow two different air flows circulate
in every corner of room efficiently.
PARALLEL WING Button
Use this button to control angle of the vertical air
deflector to parallel.
AUTO SWING Button
Controls the angle of the horizontal air defelctor.
FILTER Button
Press this button when you have cleaned the filter.
About 100 hour after this, the FILTER lamp will light to
indicate that it is the time to clean the filter.
TIMER Control
Use these buttons to set the timer.
RESERVE Button
Time setting reservation.
CANCEL Button
Cancel time reservation.
TIME Button
Use this button to set and check the time.
RESET Button
Press this button after the batteries are replaced or
when some irregular operation is found.
OFF-TIMER Button
Select the turn OFF time.
ON-TIMER Button
Select the turn ON time.
• Do not put the remote controller in the following places.
• Under direct sunlight.
• In the vicinity of a heater.
• Handle the remote controller carefully. Do not drop it on the floor, and protect it from water.
• Once the outdoor unit stops, it will not restart for about 3 minutes (unless you turn the power
switch off and on or unplug the power cord and plug it in again). This is to protect the device and
does not indicate a failure.
• If you press the FUNCTION selector button during operation, the device may stop for about 3
minutes for protection.
Precautions for Use
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Increase
decrease
MANUAL OPERATION
Press the to select the Operating Mode.
Either (AUTO), (COOL), (DEHUMIDIFY),
(CIRCULATION), (FAN).
1
To set the Fan Speed.
Press (FAN SPEED) button to select AUTO, HI,
MED, LOW and select.
Fan speed display turns off after approximately 10
seconds if the operation does not start.
Press the to set the Room
Temperature.
Remote control’s temperature
setting range is 16 ~ 32°C.
Room Temperature display turns
off after approximately 10
seconds if the operation does
not start.
Press the (START/STOP) button to Start the
Operation.
Operation starts with a beep.
“Operation” lamp on the indoor unit turns on.
Press the (START/STOP) button again to stop the
operation.
From next time, the operation which has been set by
the above steps 1-3 will be available just by pressing
the START/STOP button.
One of the mode lights up.
This part lights up.
START
STOP
2
3
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– 10 –
AUTOMATIC OPERATION
The device will automatically determine the mode of operation COOL, or Dehumidify, depending on
the initial room temperature. The selected mode of operation will not change when the room
temperature varies. Set the current timer before start operation.
Press the FUNCTION selector so that the display
indicates the (AUTO) mode of operation.
Press the (START/STOP) button.
Operation starts with a beep.
Press the button again to stop operation.
■As the settings are stored in memory in the remote
controller, you only have to press the (START/STOP)
button next time.
1
START
STOP
• The selected mode of operation will not change during the operation even though the room
temperature change.
CONDITION OF AUTOMATIC OPERATION
You can raise or lower the temperature setting as
necessary by maximum of 3°C.
Press the temperature button and the
temperature setting will change by
1°C each time.
•
“” is displayed when the temperature higher than
the automatically set room temperature by 1°C is set.
• “” is displayed when the temperature lower than the
automatically set room temperature by 1°C is set.
To change the fan speed.
Press the (AUTO) button.
• Select “AUTO”, “LOW” or “SILENT”.
2
INITIAL ROOM
TEMPERATURE (APPROX.) FUNCTION TEMPERATURE
SETTING FAN SPEED
HIGH at start, LOW after the
preset temperature is reached.
27°CCoolOver 27°C
Dehumidfy22°C - 26°C Same as
room temperature LOW
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COOLING OPERATION
Press the FUNCTION selector so that the display
indicates (COOL).
Use the device for cooling when the outdoor temperature is 21-42°C.
If humidity is very high (over 80%) indoors, some dew may form on the air outlet grille of the indoor
unit.
Set the desired FAN SPEED with the (FAN SPEED)
button (the display indicates the setting).
(AUTO) : The FAN SPEED is HI at first and
varies to MED automatically when
the preset temperature has been
reached.
(HI) : Economical as the room will
become cool quickly.
(MED) : Quiet.
(LOW) : More quiet.
(SILENT) : Silent.
Press the (START/STOP) button. Cooling operation
starts with a beep. Press the button again to stop
operation. The cooling function does not start if the
temperature setting is higher than the current room
temperature (even though the (OPERATION) lamp
lights).
The cooling function will start as soon as you set the
temperature below the current room temperature.
■As the settings are stored in memory in the remote
controller, you only have to press the (START/STOP)
button next time.
1
2
Set the desired room temperature with the
TEMPERATURE button (the display indicates the
setting).
The range of 25-28°C is recommended as
the room temperature for cooling. If the
temperature setting is 27°C, the room
temperature will be controlled at around
27°C.
The temperature setting and the actual room
temperature may vary somewhat depending on
conditions.
3
START
STOP
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DEHUMIDIFYING OPERATION
Use the device for dehumidifying when the room temperature is over 16°C. When it is under 15°C,
the dehumidifying function will not work.
Press the FUNCTION selector so that the display
indicates (DEHUMIDIFY).
Set the desired room temperature with
TEMPERATURE button (the display indicates the
setting).
The range of 20-26°C is recommended as the
room temperature for dehumidifying.
Press the (START/STOP) button. Dehumidifying
operation starts with a beep. Press the button again to
stop operation.
When the room temperature is higher than the temperature setting: The device will dehumidify the
room, reducing the room temperature to the preset level. When the room temperature is lower than
the temperature setting: Dehumidifying will be performed at the temperature setting slightly lower
than the current room temperature, regardless of the temperature setting. The function will stop
(the indoor unit will stop emitting air) as soon as the room temperature becomes lower than the
setting temperature.
DEHUMIDIFYING FUNCTION
1
3
START
STOP
■ As the settings are stored in memory in the remote
controller, you only have to press the (START/STOP)
button next time.
2
Press the button to select Low and Silent.
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Press the (START/STOP) button. Circulating
operation starts with a beep.
Press the button again to stop operation.
AIR CIRCULATION OPERATION
Press the FUNCTION selector so that the display
indicates (CIRCULATE).
Press the (FAN SPEED) button and select the
desired FAN SPEED (the display indicates your
choice).
1
2
START
STOP
You can use the device simply as an air circulator. Use this function to dry the interior of the indoor
unit.
Press the temperature control button to set to the
desired temperature.
3
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You can use the device simply as an air circulator. Use this function to dry the interior of the indoor
unit.
Press the FUNCTION selector so that the display
indicates (FAN).
Press the (START/STOP) button. Fan operation
starts with a beep.
Press the button again to stop operation.
FAN OPERATION
Press the (FAN SPEED) button.
1
2
START
STOP
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SUPER COOLING
Press the button.
• Operate start with a signal received sound “beep”.
• Unit will be forced operation in (COOL) with SUPER
HI fan speed for 20 minutes. Indicator appear during
this period while temperature and fan speed setting
display remain unchanged. (Super cooling lamp at indoor
unit is ON).
• After 20 minutes, indicator on remote controller disappear
and unit will be in (COOL) mode. Temperature and
fan speed will change to previous setting. (Super cooling
lamp at indoor unit is OFF).
• Air blow sound will be slightly high due to forced
operation.
CANCELLATION of SUPER COOLING Operation
Cancel Condition Operation mode after cancel
Press or OFF timer time is up Stop operation
Key press DEHUMIDIFYING operation
Press or
Press or
Press or
Normal COOLING operation
Press or
Press or
20 minutes time is up
(1) OFF TIME setting : OFF timer will be a priority over the
SUPER COOLING operation time.
(2) ON TIME setting : SUPER COOLING operation will be
a priority over the ON timer operation
time.
NOTE
1
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SILENT MODE
Press the button.
• Operate start with a signal received sound “beep”.
• Unit will be forced operation in (COOL) with SILENT fan
speed, regardless of previous setting.
CANCELLATION of SILENT Operation
Under SUPER SILENT operation and quiet environment, phenomena like flowing noise of
refrigerant in the refrigerating cycle may occur, but this is normal for the operation.
NOTE
Cancel Condition Operation mode after cancel
Press button.
OFF timer time is up Stop operation
Sleeping timer time is up.
Press SUPER COOL button. SUPER COOL operation
Press button. Existing operation mode
1
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EXHAUST OPERATION
Press the button.
• The device beeps when it has
received the signal and the exhaust
operation starts. By pressing the
button, the display changes as on
the right.
• The OPERATION and the "Air
Exchange Operation" lamps on the
indoor unit indicators turns on.
• Although the ventilated air is
deodorized by the Nano-Titanium
Disinfecting/Deodorizing/Dust
Collecting Fresh Air In Filter, the
odor of the ventilated air may enter
the room according to the
environment where the filter is
utilized. If there is concern regarding
any odors, please stop the device.
1
Press the (START/STOP) button.
Press the button until Exhaust on the remote controller turns
off.
FRESH AIR IN OPERATION
Press the button.
• The device beeps when it has
received the signal and the
exhaust operation starts. By
pressing the button, the display
changes as on the right.
• The OPERATION and the "Air
Exchange Operation" lamps on the
indoor unit indicators turns on.
• Although the ventilated air is deodorized by the Nano-Titanium
Disinfecting/Deodorizing/Dust Collecting Fresh Air In Filter, the
odor of the ventilated air may enter the room according to the
environment where the filter is utilized. If there is concern
regarding any odors, please stop the device.
1
STOP
Press the (START/STOP) button.
Press the button until Exhaust on the remote controller turns
off.
STOP
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AUTOMATIC TWO WAY EXCHANGE OPERATION
• By configuring the Automatic Two Way Air Exchange, the “Dirt Sensor” detects the dust in the
room’s air. If the air is dirty, the air conditioning automatically operates the blower and exhaust
and when the air becomes clean, the Fresh Air In is operated.
• When the prohibit Two Way Air Exchange is selected with the Two Way Air Exchange Selection
Switch (Refer page 6), please do not configure the Automatic Two Way Air Exchange. Aside
from , the remote controller is not able to configure any other settings.
• If Fresh Air In or Exhaust is operated using the button during Automatic Two Way Air
Exchange Set, Fresh Air In or Exhaust Operation perform in the priority.
CANCEL
• Fresh Air In operation may not perform in Automatic Two Way Air Exchange Operation when
the air inside the room is dirty.
In this case, please operate Exhaust operation manually by pressing the (Two Way Air
Exchange) button or open the windows for ventilation.
CAUTION
Press the button.
• The device beeps when it has received the signal and
the on the remote controller turns on.
• The “TWO WAY AIR EXCHANGE” lamp on the indoor
unit indicators turns on.
To cancel, press the button again.
• The on the remote controller turns off.
• The “TWO WAY AIR EXCHANGE” lamp on the indoor unit
indicators turns off.
1
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• Press “ ” button. Remote controller sends signal,
“twin air flow” will be displayed, twin air flow with same
temperature (room air) will be blown from the fresh air
outlet by air- exchanger fan operation.
• When the air-cond operation is off, although “twin air
flow” is set in remote controller, twin air flow fan for
indoor unit will not function.
• During air-cond and air exchanger operation, select twin
air flow, air exchanger operation will be cancelled to
operate the twin air flow operation.
• Air exchanger fan’s noise level is higher than the air-
cond unit, even though the air-cond fan in “HI” fan speed.
So the noise level differential between HI, MED, LOW
speed will disappear.
• When the sleep timer is set, twin air flow operation will
be cancelled temporary.
Press the button until TWIN AIR FLOW on the remote
control turns off.
TWIN AIR FLOW OPERATION
STOP
• When using simultaneously with cooling operation, it
will direct the air flow from air-cond to upper part of
the room, to make the user feel cool.
1
Room temperature air flow
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AIR PURIFIER OPERATION
AIR EXCHANGER NOTES
Ventilation
• When the air temperature outside the room exceeds 30°C or drops below 3°C, the ventilation does
not operate to prevent dew condensation on the air exchanger fan and hose and to save energy.
• If the difference in temperature between the inside and outside of the room exceeds 7°C, the fresh
air in does not operate to prevent dew condensation on the air exchanger fan and hose, while
cooling.
• If the room humidity is more than 70%, the intake fresh air will not operate.
•When the above mentioned operations have stopped, the “Air Exchanger” lamp in the display
of the indoor unit blinks (10 seconds on / 1 second off).
Exhaust
• When the temperature inside the room exceeds 43°C, the exhaust does not operate to protect the
exhaust fan from damage.
•When the above mentioned operation has stopped, the “Air Exchanger” lamp in the display
of the indoor device blinks (10 seconds on / 1 second off).
The air purifier is operated by pressing the “ ” (AIR
PURIFIER) button.
• The device beeps when it has received the signal and
then the air purifier starts.
• The OPERATION lamp on the indoor unit indicators
turn on.
• The fan speed can be changed as desired. Either HI,
MED, LOW or SILENT can be selected.
The power of the air purifier is increased by increasing
the speed of the air conditioner’s fan, by pressing the
“” (AIR PURIFER) button while the COOL or
DEHUMIDIFY operates.
(Depending on the operation conditions, there is a case
that the fan speed does not increase.)
Press the (START/STOP) to stop operation.
Press the “ ” (AIR PURIFER) button again to
cancel the air purifier operation.
(During COOL or DEHUMIDIFY operation)
1
STOP
CANCEL
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