Mitsubishi MSZ-EF22VGW, MSZ-EF25VGW, MSZ-EF35VGW, MSZ-EF42VGW, MSZ-EF50VGW OPERATING INSTRUCTIONS
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SPLIT-TYPE AIR CONDITIONERS
INDOOR UNIT
MSZ-EF22VGW MSZ-EF25VGW MSZ-EF35VGW MSZ-EF42VGW MSZ-EF50VGW
MSZ-EF22VGB MSZ-EF25VGB MSZ-EF35VGB MSZ-EF42VGB MSZ-EF50VGB
MSZ-EF22VGS MSZ-EF25VGS MSZ-EF35VGS MSZ-EF42VGS MSZ-EF50VGS
MSZ-EF22VGKW MSZ-EF25VGKW MSZ-EF35VGKW MSZ-EF42VGKW MSZ-EF50VGKW
MSZ-EF22VGKB MSZ-EF25VGKB MSZ-EF35VGKB MSZ-EF42VGKB MSZ-EF50VGKB
MSZ-EF22VGKS MSZ-EF25VGKS MSZ-EF35VGKS MSZ-EF42VGKS MSZ-EF50VGKS
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 4
■ PREPARATION BEFORE OPERATION 5
■ SELECTING OPERATION MODES 6
■ FAN SPEED AND AIRFLOW DIRECTION ADJUSTMENT 7
■ I-SAVE OPERATION 8
■ ECONO COOL OPERATION 8
■ TIMER OPERATION (ON/OFF TIMER) 8
■ WEEKLY TIMER OPERATION 9
■ EMERGENCY OPERATION 10
■ AUTO RESTART FUNCTION 10
■ CLEANING 11
■ Wi-Fi INTERFACE SETTING UP (VGK
■ WHEN YOU THINK THAT TROUBLE HAS OCCURRED 15
■ WHEN THE AIR CONDITIONER IS NOT GOING TO BE USED FOR A LONG TIME 16
■ INSTALLATION PLACE AND ELECTRICAL WORK 16
■ SPECIFICATIONS 17
TYPE ONLY) 12
SAFETY PRECAUTIONS
Meanings of symbols displayed on indoor unit and/or outdoor unit
WARNING
(Risk of fi re)
Read the OPERATING INSTRUCTIONS carefully before operation.
Service personnel are required to carefully read the OPERATING INSTRUCTIONS and INSTALLATION MANUAL before operation.
Further information is available in the OPERATING INSTRUCTIONS, INSTALLATION MANUAL, and the like.
• 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 date 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.
This unit uses a fl ammable refrigerant.
If refrigerant leaks and comes in contact with fi re or heating part, it will create harmful gas and there is risk of fi re.
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.
: Risk of fi re.
: Never touch with wet hand.
: Never splash water on the unit.
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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 manu-
facturer 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 (R32) 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.
SAFETY PRECAUTIONS
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.
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. If any refrigerant leakage is found, stop operations
and ventilate the room well and consult your dealer immediately. If a
repair involves recharging the unit with refrigerant, ask the service
technician for details.
• The refrigerant used in the air conditioner is not harmful. Normally, it
does not leak. However, if refrigerant leaks and comes in contact with
fi re or heating part of such a fan heater, kerosene heater, or cooking
stove, it will create harmful gas and there is risk of fi re.
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.
• The appliance shall be stored in a room without continuously operating
ignition sources (for example: open fl ames, an operating gas appliance
or an operating electric heater).
• Be aware that refrigerants may not contain an odour.
• Do not use means to accelerate the defrosting process or to clean the
appliance, other than those recommended by the manufacturer.
• Do not pierce or burn.
This appliance is intended to be used by expert or trained users in
shops, in light industry and on farms, or for commercial use by lay
persons.
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.
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 contribute 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 posi-
tion. If operation starts when the horizontal vanes are in the open position, they may
not return to the correct position.
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● OPERATING INSTRUCTIONS ●
SAFETY PRECAUTIONS
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 earth 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.
For Wi-Fi interface
WARNING
(Improper handling may have serious consequences, including serious
injury or death.)
This appliance can be used by children aged from 8 years and above
and persons 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.
Children shall not play with the appliance. Cleaning and user maintenance shall not be made by children without supervision.
Do not use the Wi-Fi interface nearby the medical electrical equipment
or people who have a medical device such as a cardiac pacemaker
or an implantable cardioverter-defi brillator.
• It can cause an accident due to malfunctions of the medical equipment
or device.
Do not install the Wi-Fi interface nearby the automatic control devices
such as automatic doors or fi re alarms.
• It can cause accidents due to malfunctions.
Do not touch the Wi-Fi interface with wet hands.
• It can cause damage to the device, electric shock, or fi re.
Do not splash water on the Wi-Fi interface or use it in a bathroom.
• It can cause damage to the device, electric shock, or fi re.
When the Wi-Fi interface is dropped, or the holder or cable is damaged, disconnect the power supply plug or turn the breaker OFF.
• It may cause fi re or electric shock. In this case, consult your dealer.
•
This device complies with all Australia and New zealand
regulrements for EMC and electrical safety.
CAUTION
(Improper handling may have consequences, including injury or damage
to building.)
Do not step on unstable stepstool to set up or clean the Wi-Fi interface.
• It may cause injury if you fall down.
Do not use the Wi-Fi interface nearby other wireless devices, microwaves, cordless phones, or facsimiles.
• It can cause malfunctions.
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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
)
Outdoor unit
Operation
indicator lamp
Remote control
receiving section
Air inlet (back and side)
Refrigerant piping
Drainage hose
Wi-Fi interface
Page 12
Emergency
operation
switch
Page 10
Battery replacement indicator
Operation
display section
Temperature
Page 6
buttons
Operation
select button
Page 6
ECONO COOL
button Page 8
i-save button
Page 8
Page 5
Signal transmitting
section
Distance of signal :
About 6 m
Beep(s) is (are) heard
from the indoor unit
when the signal is
received.
OFF/ON
(stop/operate) button
FAN speed control
button Page 7
VANE control
button Page 7
TIME, TIMER set buttons
Page 5, 8
forward button
backward button
TIMER, WEEKLY TIMER
set buttons
RESET button Page 5
CLOCK button Page 5
Lid
Slide the lid down to open
the remote controller. Slide
it down further to get to the
weekly timer buttons.
Page 5, 9
Air outlet
Drain outlet
Outdoor units may be diff erent in appearance.
Remote controller holder
• Install the remote
controller holder in a
place where the signal
can be received by the
indoor unit.
• When the remote
controller is not used,
place it in this holder.
Only use the remote controller provided
with the unit.
Do not use other remote controllers.
If 2 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.
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● OPERATING INSTRUCTIONS ●
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.
2.
Insert the negative
pole of AAA
alkaline batteries fi rst.
3.
Install the front lid.
Note:
• 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.
• The battery replacement indicator lights up when the battery is running low.
In about 7 days after the indicator starts lights up, the remote controller stops
working.
• 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.
1.
Press CLOCK.
4.
Press CLOCK again.
Note:
• Press CLOCK gently using a thin instrument.
Note:
How to set remote controller exclusively for a particular indoor unit
A maximum of 4 indoor units with wireless remote controllers can be used in
a room.
To operate the indoor units individually with each remote controller, assign a
number to each remote controller according to the number of the indoor unit.
This setting can be set only when all the following conditions are met:
• The remote controller is powered OFF.
(1) Hold down
pairing mode.
(2) Press
Each press of
2 → 3 → 4.
(3) Press
After you turn the breaker ON, the remote controller that fi rst sends a signal
to an indoor unit will be regarded as the remote controller for the indoor unit.
Once they are set, the indoor unit will only receive the signal from the as-
signed remote controller afterwards.
button on the remote controller for 2 seconds to enter the
button again and assign a number to each remote controller.
button advances the number in the following order: 1 →
button to complete the pairing setting.
3.
Press the DAY button
to set the day.
2.
Press either the TIME button or
the TIMER buttons to set the
time.
Each press changes the clock
1 minute forward/backward (10
minutes when pressed longer).
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