Operation Manual_FXHQ_MVJU
OPERATION MANUAL
SYSTEM Inverter Air Conditioners
MODEL
Ceiling Suspended type
FXHQ12MVJU
FXHQ24MVJU
FXHQ36MVJU
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”.
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Meaning of danger, warning, caution and note symbols.
DANGER ................Indicates an imminently hazardous
situation which, if not avoided, will
result in death or serious injury.
WARNING ..............Indicates a potentially hazardous situation which, if not avoided, could result
in death or serious injury.
CAUTION ................Indicates a potentially hazardous situation which, if not avoided, may result in
minor or moderate injury. It may also be
sued to alert against unsafe practices.
NOTE......................Indicates 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.
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DANGER
Do not install the unit in an area where flammable materials are present due to risk of explosion resulting in
serious injury or death.
Any abnormalities in the operation of the air conditioner
such as smoke or fire could result in severe injury or death.
Turn off the power and contact your dealer immediately for
instructions.
Refrigerant gas may product toxic gas if it comes in contact with fire such a from a fan, heater, stove, or cooking
device. Exposure to this gas could cause severe injury
or death.
For refrigerant leakage, consult your dealer.
Refrigerant gas is heavier than air and replaces oxygen. A
massive leak could lead to oxygen depletion, especially in
basements, and an asphyxiation hazard could occur leading
to serious injury or death.
If equipment utilizing a burner is used in the same room
as the air conditioner, there is the danger of oxygen deficiency which could lead to an asphyxiation hazard
resulting in serious injury or death.
Be sure to ventilate the room sufficiently to avoid this hazard.
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. Children playing with plastic
bags face the danger of death by suffocation.
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WARNING
It is not good for your health to expose your body to the
air flow for a long time.
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.
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.
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.
Operating the air conditioner with wet hands could
result in a shock hazard.
Check the unit stand for damage on a continuous basis.
If left in a damaged condition the unit may fall and cause injury.
Do not allow children to play on or around the unit as
they could be injured.
Placing a flower vase or other containers with water or
other liquids on the unit could result in a shock hazard or
fire if a spill occurs.
Do not put a finger or other objects into the air inlet or air
outlet.
The fan is rotating at high speed and will cause injury.
The heat exchanger fins are sharp enough to cut.
To avoid injury wear gloves or cover the fins while working
around them.
Do not touch the air outlet or the horizontal flaps while
the swing flap is in operation as fingers may get caught
and injured.
Be sure to install an earth leakage breaker.
Failure to install an earth leakage breaker may result in electric shocks, or fire.
Never touch the internal parts of the controller.
Do not remove the front panel because some parts inside are
dangerous to touch. In addition, some parts may be damaged.
For checking and adjusting internal parts, contact your dealer.
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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.
Do not place items under the indoor unit which may be
damaged by water.
Condensation may form if the humidity is above 80%, or if the
drain outlet gets blocked.
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 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.
Consult with installation contractor for cleaning the
inside of the air conditioner.
Wrong cleaning may make the plastics parts broken or cause
failure of water leakage or electric shock.
Do not touch the air inlet or aluminium fin of the air conditioner.
Otherwise, injury may be caused.
Do not place objects in direct proximity of the outdoor
unit and do not let leaves and other debris accumulate
around the unit.
Leaves are a hotbed for small animals which can enter the
unit. Once in the unit, such animals can cause malfunctions,
smoke or fire when making contact with electrical parts.
• 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 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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b
a
j
j
c
d
i
i
g
h
f
e
Fig. 1
Knob
Tab
Hook
Fig. 2
Fig. 3
Clip
Fig. 4
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NAME OF PARTS
Refer to Fig. 1 on page 4
a. Air outlet
b. Air flow flap (at air outlet)
c. Drain pipe
d. Refrigerant pipe
Connection electric wire
e. Ground wire
Wire from the unit into the ground to prevent electric
shock.
f. Remote controller
g. Suction grille (Air inlet)
h. Air filter (inside suction grille)
i. Inlet air
j. Discharge air
MAINTENANCE (FOR SERVICE PERSONNEL)
IMPORTANT!
• THIS AIR CONDITIONER COMES UNDER THE TERM
“APPLIANCES NOT ACCESSIBLE TO THE GENERAL
PUBLIC”.
• ONLY A QUALIFIED SERVICE PERSON IS ALLOWED TO
PERFORM MAINTENANCE.
• BEFORE OBTAINING ACCESS TO TERMINAL DEVICES,
ALL POWER SUPPLY CIRCUITS MUST BE INTERRUPTED.
• DO NOT USE WATER OR AIR OF 120°F OR HIGHER FOR
CLEANING AIR FILTERS AND OUTSIDE PANELS.
HOW TO CLEAN THE AIR FILTER
Clean the air filter when the display shows “
” (TIME TO
CLEAN AIR FILTER).
Increase the frequency of cleaning if the unit is installed in a
room where the air is extremely contaminated.
If the dirt becomes impossible to clean, change the air filter. (Air
filter for exchange is optional.)
1. Open the suction grille.
Slide knobs (×2) simultaneously as shown and then pull
them downward. (Do the same procedure for closing.)
(Refer to Fig. 2)
2. Remove the air filters.
Push the 2 tabs up, and remove slowly lower the air filter.
(Refer to Fig. 3)
3. Clean the air filter.
Use vacuum cleaner A) or wash the air filter with water B).
A) Using a vacuum cleaner (Do not use
air of 120°F or higher.)
B) Washing with water
When the air filter is very dirty, use
soft brush and neutral detergent.
(Do not use water of 120°F or higher.)
Remove water and dry in the shade.
6. Press the FILTER SIGN RESET BUTTON on the remote
controller.
The display “
” (TIME TO CLEAN AIR FILTER) vanishes.
NOTE
• Do not remove the air filter except when cleaning.
• Unnecessary handling may damage the filter.
• Do not use water or air of 120°F or higher for cleaning air filters and outside panels.
HOW TO CLEAN AIR OUTLET AND OUTSIDE PANELS
• Clean with soft cloth.
• When it is difficult to remove stains, use water or neutral
detergent.
WARNING
• Do not let the indoor unit get wet as it may cause an electric
shock or fire.
NOTE
• Do not use gasoline, benzene, thinner, polishing powder, liquid
insecticide. It may cause discoloring or warping.
• Do not scrub firmly when washing the blade with water.
• The surface sealing may peel off.
• Do not use water or air of 120°F or higher for cleaning air filters and outside panels.
HOW TO CLEAN THE SUCTION GRILLE
1. Open the suction grille.
Refer to “HOW TO CLEAN THE AIR FILTER”.
(Refer to Fig. 2)
2. Remove the air filter.
Refer to “HOW TO CLEAN THE AIR FILTER”.
(Refer to Fig. 3)
3. Detach the suction grille.
Pull the clips (×2) on the back of the suction grille forward.
(Refer to Fig. 4)
4. Clean the suction grille.
Wash with a soft bristle brush and neutral
detergent or water, and dry throughly.
NOTE
• When badly soiled, spray with a typical kitchen cleanser and let
sit for about 10 minutes. Then, wash with water.
• Do not wash the suction grille with hot water of more than
120°F, as doing so may result in discoloration and/or deformation.
5. Fix the air filter
Refer to “HOW TO CLEAN THE AIR FILTER ”.
6. Attach the suction grille by the method opposite to
removing.
7. Shut the suction grille by the method opposite to opening.
4. Fix the air filter
Set the tab of the air filter to the hook of the suction grille,
and fix the air filter. (By the method opposite to removing.)
5. Shut the suction grille by the method opposite to opening.
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MEMO
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3PN02401-9X EM04A048A
(0510) FS
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