Mitsubishi Electronics MS-SFD18VC, MS-SD24VC User Manual
SPLIT-TYPE AIR CONDITIONERS
INDOOR UNIT
MS-SFD18VC
MS-SD24VC
OPERATING INSTRUCTIONS For user
• To use this unit correctly and safely, be sure to read this operating
instructions before use.
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English
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• OPERATING INSTRUCTIONS •
CONTENTS
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SAFETY PRECAUTIONS 1
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NAME OF EACH PART 3
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PREPARATION BEFORE OPERATION 3
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SELECTING OPERATION MODES 4
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F AN SPEED AND AIRFLOW DIRECTION ADJUSTMENT 5
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ECONO COOL OPERATION 6
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LONG OPERATION 6
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TIMER OPERATION (ON/OFF TIMER) 6
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CLEANING 7
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WHEN YOU THINK THAT TROUBLE HAS OCCURRED 8
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WHEN THE AIR CONDITIONER IS NOT GOING TO BE USED FOR A LONG TIME 9
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INSTALLATION PLACE AND ELECTRICAL WORK 9
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SPECIFICATIONS 9
SAFETY PRECAUTIONS
• Since rotating parts and parts which could cause an electric shock are used
in this product, be sure to read these “Safety Precautions” before use.
• Since the cautionary items shown here are important for safety, be sure to
observe them.
• After reading this manual, keep it together with the installation manual in a
handy place for easy reference.
Marks and their meanings
WARNING :
CAUTION :
Incorrect handling could cause serious hazard, such as
death, serious injury, etc. with a high probability.
Incorrect handling could cause serious hazard depending
on the conditions.
WARNING
Do not connect the power cord to an intermediate point,
use an extension cord, or connect multiple devices to a
single AC outlet.
• This may cause overheating, fi re, or electric shock.
Make sure the power plug is free of dirt and insert it
securely into the outlet.
• A dirty plug may cause fi re or electric shock.
Do not bundle, pull, or modify the power cord, and do not
apply heat or place heavy objects on it.
• This may cause fi re or electric shock.
Do not turn the breaker OFF/ON or disconnect/connect the
power plug during operation.
• This may create sparks, which can cause fi re.
• After the indoor unit is switched OFF with the remote
controller, make sure to turn the breaker OFF or disconnect
the power plug.
Do not expose your body directly to cool air for a prolonged
length of time.
• This could be detrimental to your health.
The unit should not be installed, relocated, or repaired
by the user.
• An improperly handled air conditioner may cause fi re or
electric shock.
Do not insert your fi nger, a stick, or other objects into the
air inlet or outlet.
• This may cause injury, since the fan inside rotates at high
speeds during operation.
Meanings of symbols used in this manual
: Be sure not to do.
: Be sure to follow the instruction.
: Never insert your fi nger or stick, etc.
: Never step onto the indoor/outdoor unit and do not put anything on
them.
: Danger of electric shock. Be careful.
: Be sure to disconnect the power supply plug from the power outlet.
: Be sure to shut off the power.
In case of an abnormal condition (such as a burning smell),
stop the air conditioner and disconnect the power plug or
turn the breaker OFF.
• A continued operation in the abnormal state may cause a
malfunction, fi re, or electric shock. In this case, consult your
dealer.
When the air conditioner does not cool or heat, there is
a possibility of refrigerant leakage. In this case, consult
your dealer. If a repair involves recharging the unit with
refrigerant, ask the service technician for details.
• The refrigerant used in the air conditioner is safe. Normally,
it does not leak. However, if refrigerant leaks and comes in
contact with a heat source such as a fan heater, kerosene
heater, or cooking stove, it will create a harmful gas.
CAUTION
Do not touch the air inlet or the aluminum fi ns of the
indoor/outdoor unit.
• This may cause injury.
Do not use insecticides or fl ammable sprays on the unit.
• This may cause a fi re or deformation of the unit.
Do not expose pets or houseplants to direct airfl ow.
• This may cause injury to the pets or plants.
Do not place other electric appliances or furniture under
the indoor/outdoor unit.
• Water may drip down from the unit, which may cause damage
or malfunction.
Do not leave the unit on a damaged installation stand.
• The unit may fall and cause injury.
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SAFETY PRECAUTIONS
CAUTION
Do not step on an unstable bench to operate or clean the
unit.
• This may cause injury if you fall down.
Do not pull the power cord.
• This may cause a portion of the core wire to break, which may
cause overheating or fi re.
Do not charge or disassemble the batteries, and do not throw
them into a fi re.
• This may cause the batteries to leak, or cause a fire or
explosion.
Do not operate the unit for a long time at high humidity (80%
RH or more), such as with a door or window left open.
• The water condensation in the air conditioner may drip down,
wetting or damaging the furniture.
Do not use the unit for special purposes, such as storing
food, raising animals, growing plants, or preserving precision
devices or art objects.
• This may cause deterioration of quality, or harm to animals and
plants.
Do not expose combustion appliances to direct airfl ow.
• This may cause incomplete combustion.
Before cleaning the unit, switch it OFF and disconnect the
power plug or turn the breaker OFF.
• This may cause injury, since the fan inside rotates at high
speeds during operation.
When the unit will be unused for a long time, disconnect the
power plug or turn the breaker OFF.
• The unit may accumulate dirt, which may cause overheating
or fi re.
Replace all batteries of the remote controller with new ones
of the same type.
• Using an old battery together with a new one may cause overheating, leakage, or explosion.
If the battery fl uid comes in contact with your skin or clothes,
wash them thoroughly with clean water.
• If the battery fl uid comes in contact with your eyes, wash them
thoroughly with clean water and immediately seek medical
attention.
Ensure that the area is well-ventilated when the unit is
operated together with a combustion appliance.
• Inadequate ventilation may cause oxygen starvation.
Turn the breaker OFF when you hear thunder and there is a
possibility of a lightning strike.
• The unit may be damaged if lightning strikes.
After the air conditioner is used for several seasons, perform
inspection and maintenance in addition to normal cleaning.
• Dirt or dust in the unit may create an unpleasant odor or clog
the drain passage, and cause water to leak from the indoor
unit. Consult your dealer for inspection and maintenance, which
require specialized knowledge and skills.
Do not operate switches with wet hands.
• This may cause electric shock.
Do not clean the air conditioner with water or place an object
that contains water, such as a fl ower vase, on it.
• This may cause fi re or electric shock.
Do not step on or place any object on the outdoor unit.
• This may cause injury if you or the object falls down.
For installation
WARNING
Consult your dealer for installing the air conditioner.
• It should not be installed by the user since installation requires
specialized knowledge and skills. An improperly installed air
conditioner may cause water leakage, fi re, or electric shock.
Provide a dedicated power supply for the air conditioner.
• A non-dedicated power supply may cause overheating or
fi re.
Do not install the unit where fl ammable gas could leak.
• If gas leaks and accumulates around the outdoor unit, it may
cause an explosion.
Earth the unit correctly.
• Do not connect the earth wire to a gas pipe, water pipe, lightning
rod, or a telephone ground wire. Improper earthing may cause
electric shock.
CAUTION
Install an earth leakage breaker depending on the installation
location of the air conditioner (such as highly humid areas).
• If an earth leakage breaker is not installed, it may cause electric
shock.
Ensure that the drain water is properly drained.
• If the drain passage is improper, water may drip down from the
indoor/outdoor unit, wetting and damaging the furniture.
In case of an abnormal condition
Immediately stop operating the air conditioner and consult your dealer.
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• OPERATING INSTRUCTIONS •
NAME OF EACH PART
Indoor unit Remote controller
Air cleaning fi lter
(Anti-Allergy Enzyme Filter)
Air fi lter
(Catechin air fi lter)
Air outlet
Vertical vane
Horizontal vane
Outdoor unit
Display section
Air inlet (back and side)
Piping
Drainage hose
Front panel
Air inlet
Emergency
operation
Page 4
switch
Operation indicator
lamp
Remote control
receiving section
Operation display
section
ON/OFF
(operate/stop)
button
FAN speed
control button
Page 5
Operation
select button
Page 4
ECONO
COOL
button
Page 6
VANE
control button
Page 5
LONG
button
Page 6
Signal transmitting
section
Distance of signal :
About 6 m
Beep(s) is (are) heard
from the indoor unit when
the signal is received.
Temperature buttons
Page 4
Off-timer button Page 6
On-timer button Page 6
WIDE VANE button
Page 5
TIME set buttons Pages 3, 6
Increase time
Decrease time
CLOCK button Page 3
RESET button Page 3
Lid
Slide down to open
Remote controller
holder
Air outlet
Drain outlet
Appearance of the outdoor unit may differ from some models.
Use the remote controller provided with the unit only.
Do not use other remote controllers.
PREPARATION BEFORE OPERATION
Before operation: Insert the power supply plug into the power outlet and/or turn the breaker on.
Installing the remote controller batteries Setting current time
4.
Press RESET
1.
Remove the front lid
1.
ER
S
E
T
C
L
O
KC
2.
Insert AAA
alkaline batteries
3.
Install the front lid
• Make sure the polarity of the batteries is correct.
•
Do not use manganese batteries. The remote controller could malfunction.
• Do not use rechargeable batteries.
• Replace all batteries with new ones of the same type.
• Batteries can be used for approximately 1 year. However, batteries with
expired shelf lives last shorter.
• Press RESET gently using a thin stick.
If the RESET button is not pressed, the remote controller may not operate correctly.
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Press CLOCK
RES
ET
3.
Press CLOCK again
• Press CLOCK gently using a thin stick.
• Install the remote controller holder to a place where
the signal can be received
by the indoor unit.
2.
Press the TIME buttons to set the
time
Each press increases/decreases
the time by 1 minute (10 minutes
when pressed longer)
SELECTING OPERATION MODES
I FEEL mode
The unit selects the operation mode according to the room temperature
when I FEEL is selected. When the room temperature is higher than 25°C,
COOL is selected (set temperature: 24°C). When the room temperature is
lower than 25°C, DRY is selected. However, when operation is stopped and
then started within 2 hours, the mode which has been selected previously
is operated.
Note:
During COOL operation, the set temperature may not be changed when
the room temperature is more than 2°C higher than the set temperature.
In this case, please wait until the room temperature drops to within 2°C of
the set temperature.
COOL mode
Enjoy cool air at your desired temperature.
DRY mode
Dehumidify your room. The room may be cooled slightly.
Temperature cannot be set during DRY mode.
FAN mode
Circulate the air in your room.
1
Press
2
Press to select operation mode. Each press
to start the operation.
changes mode in the following order:
(I FEEL)
(COOL)
(DRY)
(FAN)
3
Press or to set the temperature.
Each press raises or lowers the temperature by 1°C.
Press to stop the operation.
• The same setting is selected the next time by simply pressing .
Operation indicator lamp
The operation indicator lamp shows the operation state of the unit.
Indication Operation state Room temperature
The unit is operating to reach the set
temperature
The room temperature is approaching
the set temperature
Lighted Not lighted
About 2°C or more away
from set temperature
About 1 to 2°C from set
temperature
Emergency operation
When the remote controller cannot be used...
Emergency operation can be activated by pressing the emergency operation
switch (E.O.SW) on the indoor unit.
Each time the E.O.SW is pressed, the operation changes in
the following order:
Operation indicator lamp
Emergency COOL
Stop
Note:
The fi rst 30 minutes of operation is test run. Temperature
control does not work, and fan speed is set to High.
Set temperature : 24°C
Fan speed : Medium
Horizontal vane : Auto
Auto restart function
If a power failure occurs or the main power is turned off during operation, “Auto
restart function” automatically starts operation in the same mode as the one set
with the remote controller just before the shutoff of the main power. When
timer is set, timer setting is cancelled and the unit starts operation when power
is resumed.
If you do not want to use this function, please consult the service
representative because the setting of the unit needs to be changed.
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• OPERATING INSTRUCTIONS •
FAN SPEED AND AIRFLOW DIRECTION ADJUSTMENT
Vertical airflow direction
(AUTO)
The vane is set to the most effi cient airfl ow direction. COOL/DRY:horizontal
position. FAN:downward position.
(Manual)
For efficient air conditioning, select upper position for COOL/DRY. During
COOL/DRY, when the vane is set to position (4) or (5), the vane automatically moves to horizontal position after 1 hour to prevent water dripping.
(Swing)
The vane moves up and down intermittently.
Press to select fan speed. Each press changes
fan speed in the following order:
(AUTO) (Low) (Med.) (High)
• Two short beeps are heard from the indoor unit when set to AUTO.
Press to select airfl ow direction. Each press
changes airfl ow direction in the following order:
(AUTO) (1) (2) (3) (4) (5) (SWING)
• Two short beeps are heard from the indoor unit when set to AUTO.
Press to select horizontal airfl ow direction. Each
press changes airfl ow direction in the following order:
(
SWING
)
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