Mitsubishi Electric MSZEF42VE2BKIT, MSZEF50VE2BKIT User Manual
SPLIT-TYPE AIR CONDITIONERS
INDOOR UNIT
MSZ-EF22VAW MSZ-EF25VAW MSZ-EF35VAW MSZ-EF42VAW MSZ-EF50VAW
MSZ-EF22VAB MSZ-EF25VAB MSZ-EF35VAB MSZ-EF42VAB MSZ-EF50VAB
MSZ-EF22VAS MSZ-EF25VAS MSZ-EF35VAS MSZ-EF42VAS MSZ-EF50VAS
OPERATING INSTRUCTIONS
• To use this unit correctly and safely, be sure to read these operating instructions before use.
For user
English
● OPERATING INSTRUCTIONS ●
CONTENTS
■ SAFETY PRECAUTIONS 1
■ NAME OF EACH PART 3
■ PREPARATION BEFORE OPERATION 3
■ SELECTING OPERATION MODES 4
■ FAN SPEED AND AIRFLOW DIRECTION ADJUSTMENT 5
■ I-SAVE OPERATION 6
■ ECONO COOL OPERATION 6
■ TIMER OPERATION (ON/OFF TIMER) 6
■ WEEKLY TIMER OPERATION 7
■ CLEANING 8
■ WHEN YOU THINK THAT TROUBLE HAS OCCURRED 9
■ WHEN THE AIR CONDITIONER IS NOT GOING TO BE USED FOR A LONG TIME 10
■ INSTALLATION PLACE AND ELECTRICAL WORK 10
■ SPECIFICATIONS 10
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.
• Be sure to receive a guarantee card from your dealer and check that the
purchased data and shop name, etc. are entered correctly.
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, damage, 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, disassembled,
altered, or repaired by the user.
• An improperly handled air conditioner may cause fi re, electric
shock, injury, or water leakage, etc. Consult your dealer.
• If the power supply cord is damaged, it must be replaced by the
manufacturer or its service agent in order to avoid a hazard.
When installing, relocating, or servicing the unit, make sure
that no substance other than the specifi ed refrigerant (R410A)
enters the refrigerant circuit.
• Any presence of foreign substance such as air can cause abnormal pressure rise and may result in explosion or injury.
• The use of any refrigerant other than that specifi ed for the system
will cause mechanical failure, system malfunction, or unit breakdown. In the worst case, this could lead to a serious impediment
to securing product safety.
This appliance is not intended for use by persons (including
children) with reduced physical, sensory or mental capabilities,
or lack of experience and knowledge, unless they have been
given supervision or instruction concerning use of the appliance by a person responsible for their safety.
Children should be supervised to ensure that they do not play
with the appliance.
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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.
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.
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.
The user should never attempt to wash the inside of the indoor
unit. Should the inside of the unit require cleaning, contact
your dealer.
• Unsuitable detergent may cause damage to plastic material inside
the unit, which may result in water leakage. Should detergent
come in contact with electrical parts or the motor, it will result in
a malfunction, smoke, or fi re.
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.
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 fi re or explosion.
Do not operate the unit for more than 4 hours at high humidity (80% RH or more) and/or with windows or outside
door left open.
• This may cause the water condensation in the air conditioner,
which may drip down, wetting or damaging the furniture.
• The water condensation in the air conditioner may contribute
to growth of fungi, such as mold.
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.
Never put batteries in your mouth for any reason to avoid
accidental ingestion.
• Battery ingestion may cause choking and/or poisoning.
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, contribute to growth of fungi, such as mold, 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.
IMPORTANT
Dirty fi lters cause condensation in the air conditioner which will con-
tribute to the growth of fungi such as mold. It is therefore recommended
to clean air fi lters every 2 weeks.
Before starting the operation, ensure that the horizontal vanes are in the
closed position. If operation starts when the horizontal vanes are in the
open position, they may not return to the correct position.
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 installa-
tion 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
Front panel
Air fi lter
(Nano platinum fi lter)
Air cleaning fi lter
(Electrostatic anti-allergy
enzyme fi lter, option)
Air inlet
Horizontal vane
Air outlet
Heat exchanger
Operation
indicator lamp
Emergency
operation
switch
Remote control
receiving section
Page 4
Operation
display section
Temperature
Page 4
buttons
Operation
select button
Page 4
ECONO COOL
button Page 6
i-save 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.
ON/OFF
(operate/stop) button
FAN speed control
button Page 5
VANE control button Page 5
TIME, TIMER set buttons
Pages 3, 6
Increase time
Decrease time
WEEKLY TIMER
set buttons
Page 7
Outdoor unit
Outdoor units may be different in appearance.
Air inlet (back and side)
Piping
Air outlet
Drainage hose
Drain outlet
Remote controller holder
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
4.
Press RESET
1.
Remove the front lid
Setting current time
1.
Press CLOCK
• Install the remote con-
troller holder in a place
where the signal can be
received by the indoor
unit.
• When the remote con-
troller is not used, place
it in this holder.
RESET button Page 3
CLOCK button Page 3
Lid
Slide the lid down to open
the remote controller. Slide
it down further to get to the
weekly timer buttons.
Only use the remote controller
provided with the unit.
Do not use other remote controllers.
If two or more indoor units are
installed in proximity to one another,
an indoor unit that is not intended
to be operated may respond to the
remote controller.
3.
Press the DAY button
to set the day
2.
Insert AAA
alkaline batteries
3.
Install the front lid
• Make sure the polarity of the batteries is correct.
•
Do not use manganese batteries and leaking 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 instrument.
If the RESET button is not pressed, the remote controller may not operate
correctly.
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2.
4.
Press CLOCK again
• Press CLOCK gently using a thin instrument.
Each press increases/decreases
Press either the TIME button or
the TIMER buttons to set the
time.
the time by 1 minute (10 minutes
when pressed longer)
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