DAIKIN FXMQ30MVJU, FXMQ36MVJU, FXMQ48MVJU, FXQ12MVJU, FXQ18MVJU OPERATION MANUAL
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SYSTEM Inverter Air Conditioners
MODELS
Ceiling-mounted Duct type
FXMQ30MVJU
FXMQ36MVJU
FXMQ48MVJU
Ceiling-mounted Built-in type
FXSQ12MVJU FXSQ30MVJU
FXSQ18MVJU FXSQ36MVJU
FXSQ24MVJU FXSQ48MVJU
OPERATION MANUAL
Read these instructions carefully before installation.
Keep this manual in a handy place for future reference.
This manual should be left with the equipment owner.
SAFETY CONSIDERATIONS
Please read these “SAFETY CONSIDERATIONS” carefully
before installing air conditioning equipment and be sure to
install it correctly. After completing the installation, make sure
that the unit operates properly during the start-up operation.
Please instruct the customer on how to operate the unit and
keep it maintained.
Also, inform customers that they should store this operation
manual along with the installation manual for future reference.
This air conditioner comes under the term “appliances not
accessible to the general public”.
Meaning of warning, caution and note symbols.
WARNING...........Indication a potentially hazardous sit-
uation which, if not avoided, could
result in death or serious injury.
CAUTION ............Indication a potentially hazardous sit-
uation which, if not avoided, may
result in minor or moderate injury. It
may also be sued to alert against
unsafe practices.
NOTE ..................Indication situation that may result in
equipment or property-damage-only
accidents.
Keep these warning sheets handy so that you can refer
to them if needed.
Also, if this equipment is transferred to a new user, make sure
to hand over this operation manual to the new user.
WARNING
• It is not good for your health to expose your body to
the air flow for a long time.
• In order to avoid electric shock, fire or injury, or if you
detect any abnormality such as smell of fire, turn off
power and call your dealer for instructions.
• Ask your dealer for installation of the air conditioner.
Incomplete installation performed by yourself may result in
a water leakage, electric shock, and fire.
• Ask your dealer for improvement, repair, and maintenance.
Incomplete improvement, repair, and maintenance may
result in a water leakage, electric shock, and fire.
• The refrigerant in the air conditioner is safe and normally does not leak. If the refrigerant leaks inside the
room, the contact with a fire of a burner, a heater or a
cooker may result in a harmful gas.
Do not use the air conditioner until when a service person
confirms to finish repairing the portion where the refrigerant leaks.
• For refrigerant leakage, consult your dealer.
When the air conditioner is to be installed in a small room,
it is necessary to take proper measures so that the amount
of any leaked refrigerant does not exceed the limiting concentration even when it leaks. If the refrigerant leaks
exceeding the level of limiting concentration, an oxygen
deficiency accident may happen.
• Improper installation or attachment of equipment or
accessories could result in electric shock, short-circuit, leaks, fire or other damage to the equipment. Be
sure only to use accessories made by Daikin which
are specifically designed for use with the equipment
and have them installed by a professional.
• Ask your dealer to move and reinstall the air conditioner.
Incomplete installation may result in a water leakage, electric shock, and fire.
• Never let the indoor unit or the remote controller get
wet.
It may cause an electric shock or a fire.
• Never use flammable spray such as hair spray, lacquer or paint near the unit.
It may cause a fire.
• Never replace a fuse with that of wrong ampere ratings or other wires when a fuse blows out.
Use of wire or copper wire may cause the unit to break
down or cause a fire.
• Never remove the fan guard of the unit.
A fan rotating at high speed without the fan guard is very
dangerous.
• Never inspect or service the unit by yourself.
Ask a qualified service person to perform this work.
• To prevent refrigerant leak, contact your dealer.
When the system is installed and run in a small room, it is
required to keep the concentration of the refrigerant, if by
and chance coming out, bellow the limit. Otherwise, oxygen in the room may be affected, resulting in a serious
accident.
• Cut off all electric waves before maintenance.
• To avoid the risk of serious electrical shock, never
aprinkle or spill water or liquids on the unit.
• Do not install the air conditioner at any place where
flammable gas may leak out.
If the gas leaks out and stays around the air conditioner, a
fire may break out.
• Do not touch the switch with wet fingers.
Touching a switch with wet fingers can cause electric
shock.
CAUTION
• Do not use the air conditioner for other purposes.
In order to avoid any quality deterioration, do not use the
unit for cooling precision instruments, food, plants, animals or works of art.
• To avoid oxygen deficiency, ventilate the room sufficiently if equipment with burner is used together with
the air conditioner.
• After a long use, check the unit stand and fitting for
damage.
If they are left in a damaged condition, the unit may fall and
result in injury.
• Do not allow a child to mount on the unit or avoid placing any object on it.
Falling or tumbling may result in injury.
• Do not let children play on and around the unit.
If they touch the unit carelessly, it may result in injury.
• Do not place a flower vase and anything containing
water.
Water may enter the unit, causing an electric shock or fire.
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• Never touch the internal parts of the controller.
Do not remove the front panel. Some parts inside are dangerous to touch, and a machine trouble may happen. For
checking and adjusting the internal parts, contact your
dealer.
• Avoid placing the controller in a spot splashed with
water.
Water coming inside the machine may cause an electric
leak or may damage the internal electronic parts.
• Do not operate the air conditioner when using a room
fumigation - type insecticide.
Failure to observe could cause the chemicals to become
deposited in the unit, which could endanger the health of
those who are hypersensitive to chemicals.
• Do not put a finger, a rod or other objects into the air
inlet or outlet. As the fan is rotating at high speed, it
will cause injury.
• Do not touch the heat exchanger fins.
Improper handling may result in injury.
• Safely dispose of the packing materials.
Packing materials, such as nails and other metal or
wooden parts, may cause stabs or other injuries.
Tear apart and throw away plastic packaging bags so that
children will not play with them. If children play with a plastic bag which was not torn apart, they face the risk of suffocation.
• Do not turn off the power immediately after stopping
operation.
Always wait at least five minutes before turning off the
power. Otherwise, water leakage and trouble may occur.
• The appliance is not intended for use by young children or infirm persons without supervision.
• The remote controller should be installed in such
away that children cannot play with it.
• Dismantling of the unit, treatment of the refrigerant,
oil and eventual other parts, should be done in accordance with the relevant local and national regulations.
• Do not dry the filter by exposing it to direct sunlight or
warming it using fire, etc. Doing so can result in the
deformation of the filter.
NOTE
• Never touch the air outlet or the horizontal blades
while the swing flap is in operation.
Fingers may become caught or the unit may break down.
• Never press the button of the remote controller with a
hard, pointed object.
The remote controller may be damaged.
• Never pull or twist the electric wire of the remote
controller.
It may cause the unit to malfunction.
• Do not place appliances which produce open fire in
places exposed to the air flow from the unit or under
the indoor unit. It may cause incomplete combustion
or deformation of the unit due to the heat.
• Arrange the drain hose to ensure smooth drainage.
Incomplete drainage may cause wetting of the building, furniture etc.
• Do not place the controller exposed to direct sunlight.
The LCD display may get discolored, failing to display the
data.
• Do not wipe the controller operation panel with benzine, thinner, chemical dustcloth, etc.
The panel may get discolored or the coating peeled off. If
it is heavily dirty, soak a cloth in water-diluted neutral
detergent, squeeze it well and wipe the panel clean. And
wipe it with another dry cloth.
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