Daikin FCQ100PV4A, FCQ15PV4A, FCQ140PV4A, FCQ125PV4A Operation Manual
OPERATION MANUAL
SPLIT SYSTEM Air Conditioners
MODELS
Ceiling mounted cassette type (Multi flow model)
FCQ100PV4A
FCQ125PV4A
FCQ140PV4A
Thank you for purchasing this Daikin air conditioner.
Carefully read this operation manual before using the air conditioner. It will tell you how
to use the unit properly and help you if any trouble occurs. This manual explains about
the indoor unit only. Use it along with the operation manual for the outdoor unit. After
reading the manual, file it away for future reference.
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CONTENTS
ILLUSTRATIONS.................................................................3
WHAT TO DO BEFORE OPERATION................................4
SAFETY CONSIDERATIONS .............................................4
OPERATION RANGE..........................................................5
INSTALLATION SITE ..........................................................6
NAME AND FUNCTION OF EACH SWITCH AND
DISPLAY ON THE REMOTE CONTROLLER.....................6
OPERATION PROCEDURE................................................7
OPTIMUM OPERATION......................................................8
MAINTENANCE (FOR SERVICE PERSONNEL)................9
NOT MALFUNCTION OF THE AIR CONDITIONER.........10
TROUBLE SHOOTING......................................................11
WHAT TO DO BEFORE OPERATION
This operation manual is for the following system with standard control. Before initiating operation, contact your dealer
for the operation that corresponds to your system.
Outdoor unit
SAFETY CONSIDERATIONS
We recommend that you read this instruction manual carefully before use to gain full advantage of the function of the air
conditioner, and to avoid malfunction due to mishandling.
This air conditioner comes under the term “appliances not
accessible to the general public”.
• The precautions described below are WARNING and
CAUTION. These are very important precautions concerning safety. Be sure to observe all of them without
fail.
WAR NING ....... These are the matters with possibilities
leading to serious consequences such
as death or serious injury due to erroneous handling.
CAUTION ........ These are the matters with possibilities
leading to injury or material damage
due to erroneous handling including
probabilities leading to serious consequences in some cases.
• After reading, keep this manual at a place where any
user can read at any time. Furthermore, make certain
that this operation manual is handed to a new user
when he takes over the operation.
Unit with remote
controller
NOTE
• If the unit you purchased is controlled by a wireless remote
controller, also refer to the wireless remote controller’s
operation manual.
If your installation has a customized control system, ask your
dealer for the operation that corresponds to your system.
TWO REMOTE CONTROLLERS CONTROL
SYSTEM
Confirm the following if your unit is the following control system type.
• Two remote controllers control system
Two remote controllers control one indoor unit.
The unit is individually operated.
NOTE
• Contact your dealer in case of two remote controllers control system.
Names and functions of parts
Refer to figure 2 on page 3
a Indoor unit
b Outdoor unit
c Remote controller
d Inlet air
e Discharge air
f Air outlet
g Air flow flap (at air outlet)
h Refrigerant pipe, connection electric wire
i Drain pipe
Air inlet
j
The built-in air filter removes dust and dirt.
Drain pumping out device (built-in)
k
Condensate removed from the room during cooling.
Ground wire
l
Wire to ground from the outdoor unit to prevent electrical shocks.
WARNING
Avoid exposure of your body directly to the cold air
for a long time, or avoid excessive exposure of your
body to the cold air.
Otherwise, your physical condition may be deteriorated
and/or your health may be ruined.
When the air conditioner is in abnormal conditions
(smell of something burning, etc), turn off power, and
contact the dealer where you purchased the air conditioner.
Continued operation under such circumstances may
result in a failure, electric shock, and fire.
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.
Do not insert your finger, a stick, etc., into the air
inlet, outlet, and fan blades.
A fan in high-speed running may result in injury.
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.
For installation of separately sold component parts,
ask a specialist.
Be sure to use the separately sold component parts designated by our company.
Incomplete installation performed by yourself may result in
a water leakage, electric shock, and fire.
Ask your dealer to move and reinstall the air conditioner.
Incomplete installation may result in a water leakage, electric shock, and fire.
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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.
Do not use any fuse with improper capacity.
The use of a piece of wire and whatnot may result in a failure and fire.
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.
The appliance is not intended for use by young children or infirm persons without supervision.
Young children should be supervised to ensure that
they do not play with the appliance.
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.
CAUTION
Do not use the air conditioner for other purposes.
Do not use the air conditioner for a special application such
as the storage of foods, animals and plants, precision
machines, and art objects as otherwise the deterioration of
quality may result.
Do not remove the air outlet of the outdoor unit.
The fan may get exposed and result in injury.
When the air conditioner is used in combination with
burners or heaters, perform sufficient ventilation.
Insufficient ventilation may result in an oxygen deficiency
accident.
Check and make sure that foundation blocks are not
damaged after a long use.
If they are left in a damaged condition, the unit may fall and
result in injury.
Neither place a flammable spray bottle near the air
conditioner nor perform spraying.
Doing so may result in a fire.
To clean the air conditioner, stop operation, and
unplug the power cord from the outlet.
Otherwise, an electric shock and injury may result.
Do not operate the air conditioner with a wet hand.
An electric shock may result.
Do not place items which might be damaged by
moisture under the indoor unit which may be damaged by water.
Condensation may form if the humidity is above 80%, if the
drain outlet gets blocked or the filter is polluted.
Do not place a burner or heater at a place directly
exposed to the wind from the air conditioner.
Incomplete combustion of the burner or heater may result.
Do not allow a child to mount on the outdoor unit or
avoid placing any object on it.
Falling or tumbling may result in injury.
Do not expose animals and plants directly to the
wind.
Adverse influence to animals and plants may result.
Do not wash the air conditioner with water.
Electric shock or fire may result.
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.
Execute complete drain piping for perfect drainage.
Incomplete piping may result in a water leakage.
OPERATION RANGE
If the temperature or the humidity is beyond the following conditions, safety devices may work and the air conditioner may
not operate, or sometimes, water may drop from the indoor
unit.
Cooling
INDOOR
TEMPERATURE HUMIDITY
DB 21 to 32 °C
WB 14 to 25 °C
Heating
INDOOR
TEMPERATURE
DB 15 to 27 °C
**–20~–15°CWB: Range for operation
–15~15.5°CWB: Range for continuous operation
DB: Dry bulb temperature WB: Wet bulb temperature
The setting temperature range of the remote controller is
16°C to 32°C.
Tips for saving energy
• Be careful not to cool (heat) the room too much.
Keeping the temperature setting at a moderate level
helps save energy.
• Cover windows with a blind or a curtain.
Blocking sunlight and air from outdoors increases the
cooling (heating) effect.
80% or below
(Long time operation in a
humidity over 80% may
cause condensation on
the unit and dripping.)
TEMPERATURE
DB –20 to 21 °C**
WB
Recommended temperature setting
For cooling 26 to 28 °C
For heating 20 to 24 °C
OUTDOOR
TEMPERATURE
DB –5 to 46 °C
OUTDOOR
–20 to 15.5 °C
**
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