Mitsubishi Heavy Industries SRR25ZM-S User manual

USER’S MANUAL
AIR-CONDITIONER
RJJ012A001
SRR25ZM-S
SRR35ZM-S
SRR50ZM-S
SRR60ZM-S
AIR-CONDITIONING & REFRIGERATION DIVISION
3-1, Asahi, Nishibiwajima-cho, Kiyosu, Aichi, 452-8561, Japan
http://www.mhi.co.jp
MITSUBISHI HEAVY INDUSTRIES AIR-CONDITIONING EUROPE, LTD.
7 Roundwood Avenue, Stockley Park, Uxbridge, Middlesex, UB11 1AX, United Kingdom
Tel : [phone]
Fax: [phone]
http://www.mhiae.com
MITSUBISHI HEAVY INDUSTRIES AIR-CONDITIONERS AUSTRALIA, PTY. LTD.
9C Commercial Road Kingsgrove NSW 2208 PO BOX 318 Kingsgrove NSW 1480
Tel : [phone]
Fax: [phone]
http://www.mhiaa.com.au
ORIGINAL INSTRUCTIONS
MANUEL DE L’UTILISATEUR
CLIMATISEUR
ANWENDERHANDBUCH
KLIMAGERA
¨T
ISTRUZIONI PER L’USO
CONDIZIONATORE D’ARIA
MANUAL DEL PROPIETARIO
ACONDICIONADOR DE AIRE
GEBRUIKERSHANDLEIDING
AIRCONDITIONING
MANUAL DO UTILIZADOR
APARELHO DE AR CONDICIONADO
РУКОВОДСТВО ПО ЭКСПЛУАТАЦИИ
КОНДИЦИОНЕР ВОЗДУХА
KULLANIM KILAVUZU
ENGLISH
DEUTSCH
ITALIANO
ESPAN
˜OL
NEDERLANDS
PORTUGUÊS
РУССКИЙ
TÜRKÇE
FRANÇAIS
ΟΔΗΓΙΕΣ ΧΡΗΣΗΣ
ΚΛΙΜΑΤΙΣΤΙΚΟ
ΕΛΛΗΝΙΚΑ
This air-conditioner complies with EMC Directive 2004/108/EC,
LV Directive 2006/95/EC.
Ce climatiseur est conforme à la Directive EMC:2004/108/EC, LV
Directive 2006/95/EC.
Dieses Kimagerät erfüllt die EMC Direktiven 2004/108/EC, LV
Direktiven 2006/95/EC.
Questo condizionatore d’aria è conforme alla Direttiva EMC:
2004/108/EC, LV Direttiva 2006/95/EC.
Deze airconditioner voldoet aan EMC Directive 2004/108/EC, LV
Directive 2006/95/EC.
Este acondicionador de aire cumple con la directiva EMC:
2004/108/EC, LV Directiva 2006/95/EC.
Este aparelho de ar condicionado está em conformidade com a
Directiva EMC 2004/108/EC e a Directiva LV 2006/95/EC.
Αυτό το κλιματιστικό είναι σύμφωνο με τις προδιαγραφές της
Οδηγίας EMC 2004/108/EK και της Οδηγίας LV 2006/95/EK.
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– 1 –
Thank you for purchasing a MITSUBISHI HEAVY INDUSTRIES, LTD. Air-Conditioner. To
get the best long-lasting performance, please read and follow this User’s Manual carefully
before using your air-conditioner. After reading, please store the Manual in a safe place
and refer to it for operational questions or in the event of any irregularities.
This air-conditioner is intended for domestic use.
Do not vent R410A into the atmosphere: R410A is a fluorinated greenhouse gas, cov-
ered by the Kyoto Protocol with a Global Warming Potential (GWP) = 1975.
ENGLISH
Your Air Conditioning product may be marked with this symbol. It means that
waste electrical and electronic equipment (WEEE as in directive 2012/19/
EU) should not be mixed with general household waste. Air-conditioners
should be treated at an authorized treatment facility for re-use, recycling
and recovery and not be disposed of in the municipal waste stream. Please
contact the installer or local authority for more information.
This symbol printed in the batteries attached to your Air Conditioning
product is information for end-users according to the EU directive 2006/66/
EC article 20 annex II.
Batteries, at their end-of-life, should be disposed of separately from general
household waste. If a chemical symbol is printed beneath the symbol
shown above, this chemical symbol means that the batteries contain a
heavy metal at a certain concentration. This will be indicated as follows:
Hg:mercury(0.0005%) , Cd:cadmium(0.002%) , Pb:lead(0.004%)
Please, dispose of batteries correctly at your local community waste
collection or the recycling center.
The emission sound pressure level from each Indoor and Outdoor unit is under 70 dB(A).
Contents
Safety precautions..........................................2
Name of each part and its function.................6
Remote control handling.................................8
Operation failure with the remote control........8
Temporary run operation ................................8
Installing two air-conditioners in the same room ....9
Child Lock.......................................................9
Operation and display section for remote control ....10
Current time setting .....................................11
AUTO mode operation..................................11
Temperature adjustment during AUTO.........12
FAN SPEED .................................................12
Airflow direction adjustment..........................12
COOL/HEAT/DRY/FAN mode operation ......13
Air-conditioner operable temperature setting ...13
Characteristics of HEAT mode operation .....13
SLEEP TIMER operation..............................14
OFF-TIMER operation..................................14
ON-TIMER operation....................................15
SLEEP TIMER + ON-TIMER operation........15
ON-TIMER + OFF-TIMER operation ............16
WEEKLY TIMER operation...........................17
HIGH POWER/ECONOMY operation ..........21
NIGHT SETBACK operation.........................22
SILENT operation.........................................22
SELF CLEAN operation................................23
Auto restart function .....................................23
Tips for effective operation ...........................23
Maintenance.................................................24
Proper installation.........................................25
Troubleshooting............................................25
Notice ...........................................................26
Contact your dealer ......................................27
About the Multiple Air-conditioner.................27
Self diagnosis function..................................28
DRED (For Australia)....................................29
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– 2 –
Safety precautions
• Before starting to use the system, please read these “Safety precautions” carefully to ensure
proper operation of the system.
• When you have read this instruction manual, please keep it safely. If someone else takes over
as operator, make sure that the manual is also passed on to the new operator.
WARNING
Improper handling could lead to drastic results like death,
serious injury, etc.
CAUTION
Might pose a serious problem, depending on the
circumstances.
Please observe these precautions with great care, since they are essential to your safety.
• Symbols which appear frequently in the text have the following meaning:
Strictly prohibited Observe instructions
with great care Provide proper earthing
❚INSTALLATION PRECAUTIONS
WARNING
• The system is for domestic and residential use.
If used in severe environments, such as an engineering workplace, the equipment
may function poorly.
• The system must be installed by your dealer or a qualified professional.
It is not advisable to install the system by yourself, as faulty handling may cause
leakage of water, electric shock or fire.
CAUTION
• Do not install it where flammable gas may leak.
Gas leaks may cause fire.
• Depending on the place of installation,
an earth leakage breaker may be
necessary.
If you do not install an earth leakage
breaker, you may get an electric shock.
• Make sure to install the drain hose
properly so that all the water is
drained out.
Improper installation may lead to
water drop in the room resulting in wet
furniture.
• Make sure that the system has been properly earthed.
Earth cables should never be connected to a gas pipe, water pipe, lightning conductor
or telephone earth cable. Improper installation of the earth cable may produce an
electric shock.
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– 3 –
❚Safety precautions
❚OPERATION PRECAUTIONS
WARNING
• Children shall not play with the
appliance.
• Do not expose yourself to the cooling
air for a long period.
This could affect your physical condition
and cause health problems.
• Cleaning and user maintenance shall
not be made by children without
supervision.
• Do not insert anything into the air inlet.
This may cause injury, as the internal fan
rotates at high speed.
• This appliance can be used by children aged from 8 years and above and people
with reduced physical, sensory or mental capabilities or lack of experience and
knowledge, if they have been given supervision or instruction concerning use of
the appliance in a safe way and understand the hazards involved.
• Store the remote control out of reach of infants.
Failure to observe this may result in the batteries being swallowed or other accidents.
CAUTION
• Only use approved fuses.
Use of steel or copper wire instead of an
approved fuse is strictly prohibited, as it
may cause a breakdown or fire.
• Do not handle the switches with wet
hands.
This may cause an electric shock.
• Do not swing from the indoor unit.
If the indoor unit falls down,you may get
injured.
• Do not place a flammable insecticide
or paint spray near the blower, nor
spray it directly on the system.
This may result in a fire.
• You should not expose any
combustion appliance directly to the
air stream of the air-conditioner.
The appliance may then work
inadequately.
• Do not wash the air-conditioner with
water.
This could cause an electric shock.
Using a high pressure washer may cause
damage to the aluminum fins, resulting in
performance decrement.
• Do not use for preservation of food,
plants or animals, precision devices or
works of art.
The system is only intended for use in
ordinary domestic rooms. Any other use
of the system may damage the quality of
food, etc.
• Do not place anything containing
water, like vases, on top of the unit.
Water entering the unit could damage the
insulation and therefore cause an electric
shock.
• Do not install the system where the
airflow direction is aimed directly at
plants or animals.
This will damage their health.
• Do not sit on the outdoor unit nor put
anything on it.
If the unit falls down or things drop off it,
people could get hurt.
• After a long period of use, check the
unit’s support structure from time to
time.
If you do not repair any damage right
away, the unit may fall down and cause
personal injury.
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– 4 –
❚Safety precautions
CAUTION
• Do not touch the aluminum fins on the
air heat exchanger.
It may result in injury.
• Do not place household electrical
appliances or household items under
neath the indoor or outdoor units.
Condensation falling from the unit may
stain objects and cause accidents or
electrical shock.
• Do not operate the system without the
air filter.
It can cause malfunction of the system
due to clogging of the heat exchanger
and to locking of drain pump.
• Do not shut off the power source
immediately after stopping the
operation.
Wait at least 5 minutes, otherwise there
is a risk of water leakage or breakdown.
• Do not control the system with main
power switch.
It can cause fire or water leakage. In
addition, the fan can start unexpectedly,
which can cause personal injury.
• Do not pour liquid into this unit and
do not put water container on this
unit.
Water entering the unit could damage the
insulation and therefore cause an electric
shock.
• If you operate the system together
with a combustion appliance, you
must regularly ventilate the indoor air.
Insufficient ventilation may cause
accidents due to oxygen deficiency.
• During the operation or maintenance,
do not use an unstable footrest.
It may lead to injuries resulting from
falling.
• Before cleaning or maintenance, make
sure to stop operation and cut off the
power.
The fan inside rotates at high speeds.
• Do not place objects near the outdoor
unit or allow leaves to gather around
the unit.
If there are objects or leaves around the
outdoor unit, small animals may enter
unit and contact electrical parts and may
cause a break-down, smoke or fire.
• Contact your dealer to clean inside the
indoor unit and filter maintenance, do
not attempt to do by yourself.
The use of a non-approved detergent or
improper washing method may damage
the unit’s plastic components and cause
leaks. Damage, smoke, or fire may also
happen if the detergent comes in contact
with electrical parts or the unit’s motor.
• Stop the unit and turn off the power if
you hear thunder or there is a danger
of lightning.
It may damage the unit.
• If the power cord becomes damaged,
contact your dealer or a qualified
engineer.
If it is not replaced, it may cause a
breakdown or fire.
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– 5 –
❚Safety precautions
❚PRECAUTIONS FOR RELOCATION OR REPAIRS
WARNING
• Do not perform any repairs or modifications by yourself. Consult the dealer if
the unit requires repair.
If you repair or modify the unit, it can cause water leaks, electric shocks or fire.
• Consult your dealer for repairs.
Wrong repairs could cause an electric
shock, fire, etc.
• In case the air-conditioner is relocated
elsewhere, contact your dealer or a
professional fitter.
Faulty installation may cause water
leakage, electric shock, fire, etc.
• If you notice anything abnormal (smell
of burning, etc.), stop the system, turn
off the power source and consult your
dealer.
Continued use of the system in
abnormal circumstances may result in
malfunctioning, electric shock, fire, etc.
• If the air-conditioner fails to cool
or warm the room, it may have a
refrigerant leakage. Contact your
dealer.
If refrigerant needs to be added,
check with your dealer for proper
instructions.
If the refrigerant comes in contact with
the bare skin, it may cause cold injury.
If the refrigerant gas is inhaled
excessively, it may cause deterioration
of nerve function like dizziness and
headache, or deterioration of heart
function like irregular heartbeat and heart
palpitation temporarily. If refrigerant
unexpectedly leaks from the unit onto
a fan heater, stove, hotplate or other
heat source, harmful gases could be
generated.
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– 6 –
INDOOR UNIT
Accessories
OUTDOOR UNIT
Air outlet
Air inlet
(On side & rear surface)
Outdoor unit fan
Heat exchanger
Wireless remote control
Page 10
Drain hose
Drains water from the indoor unit.
Air inlet
Air outlet
Air blows out of here.
Air filter
Removes dust or dirt from the inlet air.
Page 24
Refrigerant piping connection
and electric wire
Unit display section
(Remote control signal receiver)
Name of each part and its function
Wireless remote control Wireless remote
control holder
Battery × 2
(R03 (AAA, Micro))
Wood screw × 2
(for remote control holder mounting)
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– 7 –
Unit display section
Name of each part and its function
RUN (HOT KEEP) light (green)
•Illuminates during operation.
•
Blinks when airflow stops due to the ‘HOT
KEEP’
and ‘ CLEAN operation ’.
ECONO light (orange)
Illuminates during ECONOMY operation.
TIMER light (yellow)
Illuminates during TIMER operation.
HI POWER light (green)
Illuminates during HIGH POWER operation.
Unit ON/OFF button
This button can be used for turning on/
off the unit when a remote control is not
available.
Page 8
Remote control signal receiver
ON
OFF
1.5 sec.
0.5 sec.
HOT KEEP
3 sec.
1 sec.
ON
OFF
CLEAN operation
Ceiling concealed (side flow) type
Ceiling concealed (downward flow) type
Air outlet (Local arrangements part)
Remote control signal receiver
Air inlet grill
(Local arrangements part)
Remote control signal receiver
Air outlet (Local arrangements part)
Air inlet grill
(Local arrangements part)
Representative installation examples
Operation mode
invalid
ON
OFF
0.5 sec.
0.5 sec.
•Buzzer sound for remote control
When preset temperature 24°C, automatic operation and automatic airflow are selected, the buzzer sound (PIPI) is produced.
When turning off the air-conditioner by pressing ON/OFF button (except CLEAN mode), the buzzer sound (PI) is produced.
This function is useful for operating the air-conditioner in the darkness.
NOTE
Preset temperature
Air flow setting
Page 23
Page 27
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– 8 –
Remote control handling
Replacing the batteries
The following cases show exhausted batteries. Replace old batteries with new ones.
•Receiving beep is not emitted when a signal is transmitted.
•Display fades away.
NOTE
•Do not use old and new batteries together.
•Remove the batteries when the remote control is not used for a long period.
•The recommended effective period of a battery conforming to JIS or IEC
should be 6 to 12 months with normal use. If used longer, or when an
unspecified battery is used, liquid may leak from the battery, causing the
remote control to malfunction.
•The recommendable effective period is printed on the battery. This may be
shorter due to manufacturering time to the unit. However, the battery may
still be in working order after expiry of its nominal life.
Pull out the cover and take
out old batteries.
Insert new batteries.
R03 (AAA, Micro) x2
Close the cover.
■When the display shows any abnormal condition, Press the ACL switch with the
tip of a ballpoint pen.
1
2
3
Pay attention to
the and
marks
Press the ACL switch with
the tip of a ballpoint pen.
4
Using the remote control holder
The remote control can be attached to a wall or pillar
by using a remote control holder. Before installing the
remote control, check that the air-conditioner receives
the signals properly.
For installing or removing the remote control, move it up
or down in the holder.
Warning note for remote control handling
•Are the batteries running down?
“Replacing the batteries” above.
Replace the batteries with new ones and retry the operation.
Operation failure with the remote control
•If the operation fails, operate the unit
with temporary operation function.
Contact your dealer to have the remote
control checked.
Below
Strictly prohibited
•Do not drop the remote control.
Handle with care.
•Do not go near high temperature
places, such as an electric carpet
or a stove.
•Do not place heavy objects on the
remote control, or step on it.
•Do not put any obstructing
obstacles between the remote
control and the unit display
section.
•Do not spill any liquid on the
remote control.
•Do not leave the remote control
exposed to direct sunlight or other
strong lighting.
Temporary run operation
•The unit ON/OFF button on the unit display section operates ON/OFF temporarily when the remote control is not used.
•OPERATION MODE : AUTO
•FAN SPEED : AUTO
•Operation starts by pressing the unit ON/OFF button; it stops if you press
the button again.
•Do not hold the Unit ON/OFF button down for more than 5 seconds.
(Holding it down longer than 5 seconds sets the automatic cooling used during servicing or when relocating the air-conditioner.)
NOTE
Page 11
Operation program
Unit ON/OFF button
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– 9 –
Installing two air-conditioners in the same room
■When two air-conditioners are installed in the same room, use this setting when the two air-conditioners are not operated with one remote
control. Set the remote control and indoor unit.
Pull out the cover and take out bat-
teries.
Disconnect the switching line next to
the battery with wire cutters.
Setting the remote control
1
2
Disconnect
Insert batteries.
Close the cover.
3
Turn off the power source, and turn it on after 1 minute.
Point the remote control that was set according to the
procedure described on the left side at the unit display
section and send a signal by pressing the ACL switch
on the remote control.
Check that the reception buzzer sound “pip” is emitted
from the indoor unit.
At completion of the setting, the indoor unit emits a buzzer sound
“pip”. (If no reception tone is emitted, start the setting from the begin-
ning again.)
Setting an indoor unit
1
2
3
Since the signal is sent in
about 6 seconds after the
ACL switch is pressed,
point the remote control at
the unit display section for
some time.
Child Lock
■This function locks the remote control operation to prevent an operation error.
1Press the SET button for 3 seconds or longer.
is displayed. While Child Lock is set, only the ON/OFF button can be oper-
ated.
Releasing procedure
Turn off the light by pressing the SET button for 3 seconds or longer.
•While Child Lock is set, the settings of temperature and fan speed cannot
be changed. To change the settings, reset Child Lock.
NOTE
Reception
pip
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– 10 –
Transmission procedure
When each button on the remote control is pressed – with the remote control pointing towards the unit
display section, a signal is transmitted.
When the air-conditioner receives the signal correctly, it will beep.
OPERATION MODE select button
Each time the button is pressed, the
mode changes.
Page 11,13
•The above illustration shows all controls, but in
practice only the relevant parts are shown.
ON/OFF (luminous) button
Press to start operation, press again
to stop.
TEMPERATURE button
This button sets the room temperature.
AIR FLOW (UP/DOWN) button
This button changes the air flow (up/
down) direction.
This button is not used.
(Air flow direction adjustment can not be
performed.)
Page 12
TIME SET UP switch
This switch is for setting the time.
Page 11
SLEEP button
This button selects SLEEP operation.
Page 14
Display in OFF status
The current time, day of the week, and present OPERATING MODE are displayed while the air-conditioner is turned off.
CLEAN switch
This switch selects the CLEAN
operation.
Page 23
ON TIMER button
This button selects ON TIMER operation.
Page 15
TIMER button
This buttions is used for setting the
current time and timer function.
ACL switch
Switch for resetting microcomputer.
Page 8
PROGRAM button
This button sets WEEKLY TIMER.
Page 17
HI/ECO button
This button changes the HIGH POWER/
ECONOMY operation.
Page 21
SILENT button
This buttion changes the SILENT
operation.
Page 22
OFF TIMER button
This button selects OFF TIMER
operation.
Page 14
WEEKLY button
This button switches the WEEKLY
TIMER to ON/OFF.
Page 17
FAN SPEED button
Each time the button is pressed, the fan
speed changes.
Page 12
NIGHT SETBACK button
This button sets NIGHT SETBACK
operation.
Page 22
SET/Child Lock button
Use this button to set the timer and
Child Lock.
Page 9
CANCEL button
This button cancels the ON timer, OFF
timer, and SLEEP operation.
Transmission section
[View with the cover opened]
Operation and display section for remote control
Reception
pip
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AUTO mode operation
■ Automatically selects the operation mode (COOL, HEAT, DRY) depending on the room temperature when switched on.
•If you do not want the AUTO mode program, change to
COOL, HEAT, DRY or FAN instead of AUTO.
Page 13
•Airflow direction adjustment procedure.
Page 12
AUTO mode can be
operated by simply
pressing the ON/OFF
button.
To stop: Press the ON/OFF button.
Press the MODE button.
The mode changes whenever the button is pressed.
Set to .
Press the ON/OFF button.
1
2
NOTE
•In case air is not blowing out
during the operation.
Page 26
Current time setting
■When inserting the batteries, the current time is automatically set to time setting mode. Mon and 13:00 are displayed as the current time.
Set a correct day of the week and a time.
NOTE
2
Example: Set to Sat 10:30.
Press the TIME SET UP switch.
Press with the tip of a ballpoint pen, etc.
The day of the week display blinks, enabling the setting of a day of the week.
Press the “ or (TIMER)” button.
(Set to Sat)
Press the SET button.
The day of the week display changes from blinking to steady lighting, com-
pleting the setting of a day of the week, and the time display blinks.
Make sure to press the button within 60 seconds from the last operation in
step 2, otherwise the day of the week is not set.
Press the “ or (TIMER)” button.
(Set to 10:30)
Press the SET button.
The time display changes from blinking to steady lighting and the setting is
complete.
Make sure to press the button within 60 seconds from the last operation in
step 4, otherwise the time is not set.
•The timer operation works based on the time clock, so please
set it correctly.
•The remote control data is reset when the present time is set.
1
3
4
5
•When the battery of the remote control is replaced or the ACL
switch is pressed, the remote control is set to the initial state.
Since the WEEKLY TIMER program is not set in the initial state,
set the program according to the setting procedure.
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– 12 –
AUTO HiMeLoULo
Temperature adjustment during AUTO
■Air temperature adjustment is possible even during automatic operation. There are 6 levels of adjustment possible with the button or
the button.During automatic operation, 24°C is preset both for heating and cooling.
1Press the“ or (TEMP)” button.
■Each time the button is pressed, the switch over occurs in the following order
–6 →–5 →............ –1 →±0 →+1 ............ +6.
When +6 is indicated, even if the button is pressed, the indicator does not change.
■Each time the button is pressed, the switch over occurs in the following order
+6 →+5 →............ +1 →±0 →–1 ............ –6.
When –6 is indicated, even if the button is pressed, the indicator does not change.
When it is a little cold
Press the button.
When it is a little hot
Press the button.
FAN SPEED
■You can choose the fan speed of your air-conditioner without dry mode.
Remote Control display
-6 -5 -4 -3 -2 -1 +0 +1 +2 +3 +4 +5 +6
18 19 20 21 22 23 24 25 26 27 28 29 30
Setting
temp.(°
C )
Press the FAN SPEED button.
Each time the button is pressed, the fan speed changes.
1
•When FAN SPEED is changed from Hi to Lo or ULo, the sound of
refrigerant flowing may be heard.
NOTE
Operation capacity by your choice FAN SPEED
Set automatically by microcomputer AUTO
Silent operation ULo
Energy-saving operation Lo
Standard operation Me
Powerful operation with high capacity Hi
Airflow direction adjustment
Adjusting up/down air flow direction
■Air flow direction adjustment can not be performed, although a display will be
changed if “AIR FLOW” button is pushed.
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COOL/HEAT/DRY/FAN mode operation
Press the MODE button.
Set to a required mode.
(Cool), (Heat), (Dry), (Fan)
Press the ON/OFF button.
Press the TEMP button.
Press or button for the preferred temperature.
Recommendation
4
3
To stop: Press the ON/OFF button.
•In case air is not blown out, when starting the heating
operation.
•The operation mode can also be set or changed when the
air-conditioner is not in operation.
NOTE
2
1
Air-conditioner operable temperature setting
■Use within the following operational range. Operating outside of this range may result in the protection devices being activated,
preventing the unit from working.
Cooling operation Heating operation
Outside temperature
Approximately -15 to 46 °C Approximately -15 to 24 °C
Inside temperature Approximately 18 to 32 °C Approximately 10 to 30 °C
Inside humidity Below approximately 80%
The long-term use of the unit with a humidity level
exceeding 80% may result in condensation forming
on the surface of the indoor unit, leading to water
drops.
Characteristics of HEAT mode operation
Mechanism and capacity of HEAT mode operation
■Mechanism
•The unit draws heat from the cold outside air, transfers it to indoors and heats the room. As a characteristic of heat pump system, the
heating capacity reduces when the outside air temperature gets colder.
•It may take some time to supply hot air after turning on the air-conditioner.
•If the outside temperature becomes extremely low, it would be better to use an additional source of heating.
Defrosting
If the outside temperature becomes low and humidity is high, the heat exchanger in the outdoor unit may frost over, which prevents efficient
heating.
If this happens, the automatic defrost function is activated and during defrosting the heating operation stops for 5 to 15 minutes
during defrosting.
•Both indoor and outdoor fans stop and the RUN light blinks slowly (1.5 sec. ON, 0.5 sec. OFF) during defrosting.
•The outdoor unit may give off some steam during defrosting. This is to help the defrosting process and is not a defect.
•The HEAT operation resumes as soon as defrosting has been completed.
Press the FAN SPEED button
Set the fan speed as preferred.
A fan speed cannot be set under Dry operation.
Page 26
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■If it is pressed while the unit is off
SLEEP TIMER operation starts with the previous operation settings, and the air-
conditioner is turned off after the set time lapses.
■If it is pressed while the unit is running
The air-conditioner is turned off after the set time lapses.
Every time the button is pressed, the display changes as follows:
Example:You prefer it to stop after 7 hours.
Set to
The timer light (yellow) is on.
•The unit stops after the set time lapses.
SLEEP TIMER operation
■The unit will stop automatically after the set time lapses.
The set temperature is automatically adjusted according to the lapse time in order to avoid too much cooling or heating. Page 16
Press the SLEEP button.
1
How to cancel
Press the CANCEL button to turn off the SLEEP
display.
Changing of set time
Set a new time by pressing SLEEP button.
•Cannot be set at the same time with OFF-TIMER.
NOTE
OFF-TIMER operation
■The unit stops automatically when the set time comes.
With the air-conditioner turned off, start the operation from Step 1. With the air-conditioner running, start from Step 2.
Example:You prefer it to stop 22:30.
Press the ON/OFF button.
Press the OFF-TIMER button.
OFF-TIMER display is blinking.
Press the “ or (TIMER)” button.
Every time the button is pressed, the display is switched in the order of:
0:00 0:10 0:20
...
(Units of ten minutes) 1:00 1:10
Every time the button is pressed, the display is switched in the order of:
0:00 23:50 23:40
...
(Units of ten minutes) 23:00 22:50
Set at 22:30.
3
1
4Press the SET button.
The display changes from blinking to steady lighting and the setting is
complete.
The timer light (yellow) is on.
2
How to cancel
Press the CANCEL button to turn off the timer
display.
•The unit stops at the end of the set period of time.
•Make sure to press the button within 60 seconds from the last operation
in step 3, otherwise the setting is not completed.
•The current time is not displayed during OFF-TIMER operation.
•Different from SLEEP TIMER operation, automatic set temperature ad-
justment is not done during OFF-TIMER operation.
Changing of set time
Set a new time by using the OFF-TIMER button.
NOTE
No display
(canceled)
... (Units of one hour)
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1
2
How to cancel
Press the CANCEL button to turn off the timer
display.
Example: When the preferred room temperature is required at 8:00.
Press the ON-TIMER button.
ON-TIMER display is blinking.
3
SLEEP TIMER + ON-TIMER operation
■Combined timer operation of SLEEP TIMER and ON-TIMER.
Example: When it is required to stop after 3 hours and then start operation at 8:00, near the
set temperature.
1SLEEP TIMER setting
Set by the procedures on page 14.
Set to
2ON-TIMER operation setting
Set by the above procedure mentioned in ON-TIMER.
Set to
The setting of the lighting of the timer light (yellow) of this unit is complete.
•After the SLEEP TIMER set time has elapsed, the operation stops, and it starts from
5 to 60 minutes before the ON-TIMER’s set time.
•The timer light is turned off when ON-TIMER set time comes.
Changing of set time
Set a new time by using the SLEEP or ON-TIMER button.
How to cancel
Press the CANCEL button to turn off the timer display.
Press the “ or (TIMER)” button.
Every time the button is pressed, the display is switched in the order of:
0:00 0:10 0:20
...
(Units of ten minutes) 1:00 1:10
Every time the button is pressed, the display is switched in the order of:
0:00 23:50 23:40
...
(Units of ten minutes) 23:00 22:50
Set at 8:00.
Press the SET button.
The display changes from blinking to steady lighting and the setting is
complete.
The timer light (yellow) is on.
The operation stops if it is set during operation.
Changing of set time
Set a new time by using the ON-TIMER button.
ON-TIMER operation
■ Operation starts 5 to 60 minutes before the set time so that the room temperature reaches the optimum temperature at the set time. Page 16
ON-TIMER operation can be set regardless of whether the air-conditioner is running or not.
•Operation starts 5 to 60 minutes before the set time.
•The timer light (yellow) goes out at the set time.
•Make sure to press the button within 60 seconds from the last operation
in step 2, otherwise the setting is not completed.
•The current time is not displayed during ON-TIMER operation.
•If the ON/OFF button is pressed after setting the ON-TIMER, the setting
will be canceled.
NOTE
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ON-TIMER + OFF-TIMER operation
■The timer operations of the combination of ON and OFF-TIMER.
Example: Present time is 21:00. The air-conditioner running.
When it is prefered to stop at 22:30, and then start operation at 8:00, near the set
temperature.
1OFF-TIMER operation setting
Set by the procedures on page 14. Set to
2ON-TIMER operation setting
Set by the procedures on page 15. Set to
Timer light (yellow) on the unit display section will light when the setting is
completed.
■The set time will be displayed on the remote control. The display will change
depending on the operational status.
Comfort Start-up
In ON-TIMER operation, the unit starts the operation a little earlier, so
that the room can approach optimum temperature at ON time. This is so
called “Comfort start-up”.
•Mechanism
The room temperature is
checked 60 minutes before
the ON time. Depending on
the temperature at that time,
the operation starts 5 to 60
minutes before the timer is at
ON.
•The function is available for
both COOL and HEAT opera-
tion mode (including AUTO). It
does not work for DRY mode.
SLEEP TIMER
In COOL operation
(Stop) Operation starts
▼
Check the room
temp. 60 mins.
before.
Set time
▼
When SLEEP TIMER is selected, the set temperature is automatically
adjusted after a while, ensuring that the room is not too cold during cool-
ing or too warm during heating.
•During cooling : The preset temperature is lowered by 1°C at the start
of SLEEP operation (when the timer is set). After that, the temperature
goes up by 1°C every an hour to become 1°C higher than the present
temperature.
•During heating: The preset temperature is lowered by 1°C at the start
of SLEEP operation (when the timer is set). After that the temperature
becomes 3°C lower in an hour and 6°C lower in two hours than the
present temperature.
(Operation)
Set temperature
First the air-conditioner starts running with ON-TIMER.
After the air-conditioner stops running with OFF-TIMER.
First the air-conditioner stops running with OFF-TIMER.
After the air-conditioner starts running with ON-TIMER.
How to cancel
Press the CANCEL or ON/OFF button to turn off the timer display.
Changing of set time
Set a new time by using the OFF-TIMER or ON-TIMER button.
•The air-conditioner stopping.
•The air-conditioner running.
•Timer operation can be set only for next 24 hours.
NOTE
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COOL 27°C
COOL 27°C
COOL 28°C
COOL 28°C COOL 26°C COOL 27°C
COOL 28°C
COOL 28°C
COOL 28°C
COOL 28°C
COOL 26°C COOL 25°C
AUTO 27°C
WEEKLY TIMER operation
■Up to 4 programs with timer operation (ON-TIMER / OFF-TIMER) are available for each day of the week. Max 28 programs per week are
available. Once this has been set, the timer operation will be repeated at the same programs every week unless the WEEKLY TIMER is
canceled.
WEEKLY TIMER ON/OFF setting
■Switch the WEEKLY TIMER to ON/OFF by using the WEEKLY button.
1Press the WEEKLY button.
The WEEKLY TIMER becomes effective.
Every time the WEEKLY button is pressed, the display is switched in the
order of:
No display
(WEEKLY TIMER on) (WEEKLY TIMER off)
When the WEEKLY TIMER is set to ON, the timer light (yellow) of the unit
display section is on.
When the battery of the remote control is replaced or the ACL switch is
pressed, the remote control is set to the initial state. Since the WEEKLY
TIMER program is not set in the initial state, set the program according to the
setting procedure.
•The WEEKLY TIMER is switched to ON/OFF regardless of
whether the air-conditioner is running or not.
•The ON-TIMER operation of the WEEKLY TIMER is effective
regardless of whether the air-conditioner is running or not.
When the ON-TIMER setting time is reached, the remote
control operates according to the contents that are set. The
remote control display is also switched to the operation
contents that are set. The setting can be changed from the
remote control after ON-TIMER operation of the WEEKLY
TIMER.
The following contents can be set by the ON-TIMER.
Operation mode, fan speed, temperature, ECONOMY, NIGHT
SETBACK, SILENT.
Comfort start-up is not performed for WEEKLY TIMER ON-
TIMER operation.
NOTE
•OFF-TIMER operation of the WEEKLY TIMER is effective only
when the air-conditioner is running. When the time set by the
OFF-TIMER is reached, the air-conditioner stops.
•When multiple program numbers are set for the current day
(day of the week), the operation is performed from the earliest
time that is set.
•When various timers (ON-TIMER, OFF-TIMER, and SLEEP
TIMER) are operating, the WEEKLY TIMER does not operate
even if the time set in the ON-TIMER or OFF-TIMER is
reached. The WEEKLY TIMER becomes effective after
various timers are terminated.
•The ON-TIMER or OFF-TIMER of the same time in the same
day of the week cannot be set.
•In case of the WEEKLY TIMER being not sent in the remote
control, the TIMER light is not on even if the WEEKLY button
is pressed and is displayed on the remote control.
: WEEKLY TIMER setting
: MANUAL setting
Sample (At cooling season)
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Setting mode <Individual setting>
6Press the ON-TIMER or OFF-TIMER button.
ON-TIMER or OFF-TIMER is determined and time display blinks.
ON-TIMER is selected OFF-TIMER is selected
Press the SET button.
When no set contents (ON-TIMER or OFF-TIMER) are
available, both the and timers blink.
When set contents (ON-TIMER or OFF-TIMER) are available,
either one of or is lit.
5
4Press the “ or (TIMER)” button.
Select a program number.
Every time the button is pressed, the display is switched in the
order of:
Every time the button is pressed, the display is switched in
the order of:
3Press the SET button.
The day of the week is determined and the program number
blinks.
Press the PROGRAM button.
and current day of the week blink.
Press the “ or (TIMER)” button.
Select a day of the week to be reserved.
Every time the button is pressed, the display is switched in
the order of:
Mon Tue Wed
...
Sun Display of all of the days of
the week
Every time the button is pressed, the display is switched in
the order of:
Mon Sun
...
Sat
Display of all of the days of
the week
Tue
1
Set after setting the current day of the week and the time.
2
P1 P2 P3 P4
P1 P4 P3 P2
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Press the PROGRAM button or SET button.
When the PROGRAM button is pressed, the setting is sent to the air-conditioner.
Since it takes 3 seconds for transmission, point the remote control at the unit display section
during the period.
When the setting is received, a buzzer sound (pip, pip, pip) is emitted.
When the SET button is pressed, the setting continues from Step 2.
Press the SET button.
The time is determined and and blink.
Set required operation contents.
When ON-TIMER is selected, operation mode and fan speed can be changed and the
ECONO, SILENT or NIGHT SETBACK operation can be set.
Press the “ or (TIMER)” button.
Set a time.
Every time the button is pressed, the display is switched in the
order of:
0:00 0:10 0:20
...
(Units of ten minutes) 1:00 1:10
Every time the button is pressed, the display is switched in
the order of:
0:00 23:50 23:40
...
(Units of ten minutes) 23:00 22:50
When ON-TIMER is selected, go to Step 8.
When OFF-TIMER is selected, go to Step 9.
Setting mode <Collective setting>
■Set the same operation contents to the same program number of all the days of the week. In Step 2 above, select “all of the days of the
week”. When the contents that were individually set exist in the same program number, the contents are overwritten.
•If no operation is performed for 60 seconds in setting mode, the setting changes that have been made until then become invalid and
the setting mode terminates. Subsequently, and all the program numbers (P1, P2, P3 and P4) blink for 10 seconds.
(This blinking can not be observed if setting mode gets terminated while setting only one program.)
•At the end of the setting mode, point the remote control at the unit display section and press the PROGRAM button. In this case,
check that the air-conditioner emits a reception buzzer sound three times (pip, pip, pip). If the buzzer sound is not emitted, set the
mode to the setting mode again by pressing the PROGRAM button and check that the buzzer sound is emitted.
NOTE
9
8
7
10
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