Daikin | FXDQ12MVJU | Installation manual | Daikin FXDQ12MVJU Installation manual

Daikin FXDQ12MVJU Installation manual
OPERATION MANUAL
SYSTEM Inverter Air Conditioners
MODEL
Ceiling-mounted duct type low static pressure unit
FXDQ07MVJU
FXDQ09MVJU
FXDQ12MVJU
FXDQ18MVJU
FXDQ24MVJU
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 severe 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.
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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.
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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
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 produce toxic gas if it comes in contact with fire such as from a fan heater, stove or cooking
device. Exposure to this gas could cause sever 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.
Do not install the unit in an area where flammable materials are present due to risk of explosion resulting in
serious injury or death.
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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,
especially if it has been used for a long time.
If left in a damaged condition the unit may fall and cause
injury.
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 allow children to play on or around the unit as
they could be injured.
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.
Be sure to establish an earth.
Do not earth the unit to a utility pipe, arrester, or telephone
earth.
Incomplete earth may cause electrical shock, or fire.
A high surge current from lightning or other sources may
cause damage to the air conditioner.
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.
• 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.
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 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.
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.
• 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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Part name and functions
In case of suction from bottom side
Power supply wiring and
ground wire through conduit
Refrigerant piping
Airflow duct
(local procurement)
Connection wire
Drain pipe
Air filter
Remote
controller
Air outlet
(local procurement)
In case of suction from back side
Refrigerant piping
Airflow duct
(local procurement)
Power supply wiring and
ground wire through conduit
Air filter
Drain pipe
Connection wire
Remote controller
Air outlet
(local procurement)
Maintenance
WARNING
• Only a qualified person is allowed to perform maintenance without daily maintenance.
• Before touching any of connection wirings, be sure to
turn off all power supply switches.
• For installation of optional parts, only a qualified person
is allowed to do so.
Be sure to use optional parts specified by our company.
Installation in your own manner may result in water leakage,
electric shock or fire.
CAUTION
• Be sure to stop operation and turn the power switch off
before cleaning the air conditioner.
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Otherwise, an electric shock or injury may result.
No cleaning
during use!
• Do not wash the air conditioner with water.
Doing so may result in an electric shock.
1. Remove the air filter.
Main unit
Force
Attach the filter to the
main unit while pushing
down on the tabs.
Filter
Force
• 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.
• Use a stable stool.
Use extra cautions when cleaning the air conditioner.
In case of bottom side
In case of back side
2. Clean it.
〈Maintenance and inspection〉
• Clean the drain pan periodically. The drain pipes clogged
with dust will cause water leakage.
• For cleaning, consult with your Daikin dealer.
(Before each season when cooling or heating is required,
clean the air conditioner.)
• If the area around the indoor unit is very dusty, use a dustproof cover (local procurement).
〈Cleaning the inside of the indoor unit〉
• It is necessary to clean the inside of the indoor unit periodically.
Since the cleaning requires special technologies, request a
Daikin dealer to clean them.
CAUTION
• Do not wash the air conditioner with hot water of more than
120°F. Doing so may result in discoloration or deformation.
• Never dry the filter by direct firing. Doing so may
result in burning.
• For cleaning local procurements, consult with your
dealer.
(1) Use a vacuum cleaner (A) or wash the air filter (B) to remove
dust and trash.
(A) Remove dust and trash using a vacuum cleaner.
Daily maintenance:
〈Cleaning the air filter〉
Explanation
• Removing the air filter except when cleaning the air conditioner may result in accidents.
• When the
mark is displayed on the remote controller,
please clean the filter.
• When the operating time exceeds the designated time, this
mark will be displayed.
• If using the air conditioner under very dusty environment,
increase the frequency of air filter cleaning.
• When you want to change the setting time until the
mark is displayed, consult with your dealer.
(The default factory setting is 2500 hours.)
• There are the following time, display pattern.
1250, 2500, 5000, 10000
(B) Wash it with water.
When the air filter is very dirty, use a soft brush and neutral
detergent.
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Dewater and dry in the shade.
3. Attach the air filter.
4. Push the “filter sign reset” button on the remote controller.
The display “
” vanishes.
〈Cleaning the air outlet and exterior〉
CAUTION
• Do not use gasoline, benzene, thinner, polishing powder or
liquid insecticide.
Do not use hot water of 120°F or higher, as doing so may
result in discoloration or deformation.
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(1) Clean with dry 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.
If the following phenomenon occurs, contact your dealer.
DANGER
• 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.
Phenomenon
• The safety devices such as fuse, breaker, ground fault interrupter, etc. often operate or operations of the operation
switch are unstable.
Take the following actions before contact.
Turn off the switch.
• If the ON/OFF switch does not properly work;
Take the following actions before contact.
Turn off the main power switch.
Phenomenon
• Water leaks out from the air conditioner.
Take the following actions before contact.
Stop the operation.
Phenomenon
• The “OPERATION lamp”, “INSPECTION display” or “UNIT
No.” is winking and lit, and “MALFUNCTION CODE” is displayed.
OPERATION lamp
UNIT No.
F
INSPECTION
display
L H
INDOOR UNIT No. in
which a malfunction occurs
MALFUNCTION CODE
Take the following actions before contact.
Inform the dealer of the details being displayed on the remote
controller.
5
3PN05140-16W EM05A055
(0601) FS HT
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