Daikin FDQ16PY1, FDQ20PY1, FDQ16PYL, FDQ20PYL Operation manuals
MODELS
• Duct Connection type
FDQ16PY1
FDQ20PY1
FDQ16PYL
FDQ20PYL
OPERATION MANUAL
Air Conditioner
English
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.
After reading this manual, file it away for future
reference.
CONTENTS
NAME AND FUNCTIONS OF REMOTE CONTROLLER ..................................... 1
NAME AND FUNCTION OF PARTS .....................................................................3
SAFETY PRECAUTIONS .....................................................................................4
INSTALLATION ..................................................................................................... 7
OPERATION PROCEDURE ................................................................................. 8
IN CASE OF MULTI-UNIT OPERATION .............................................................12
USEFUL INFORMATION FOR OPTIMUM OPERATION .................................... 13
TROUBLE SHOOTING ....................................................................................... 14
MAINTENANCE................................................................................................... 17
AFTER-SALES SERVICE AND WARRANTY...................................................... 19
The operation manual attached to the outdoor unit provides
information on the multi-connection of indoor units.
Refer to this operation manual in the case of connecting a
pair of units of this FDQ-type model.
NAME AND FUNCTIONS OF REMOTE CONTROLLER
• The illustrations in this operating manual correspond to the remote controller format BRC1C type.
Operation Mode Display
Indicates the current mode of
operation as shown below:
Fan operation
Cooling operation
Heating operation
Inspection/
Test Operation Display
Press the Inspection/Test
Operation button (during
maintenance), then one of
the two displays will appear.
• Do not use this function at
ordinary times.
Programmed Time Display
Indicates the time set by the
timer.
Set Temperature Display
Indicates the set temperature.
Defrosting/Hot Start Display
See page 9.
Operation Lamp (Red)
This lamp remains lit while the
unit is running.
ON/OFF Button
Press the button once to start
the unit.
Press it again to stop the unit.
Under Centralized
Control Display
Indicates the unit is
under centralized
control.
Non-Function Display
• When the operation button
is pressed, sometimes
“NOT AVAILABLE” will be
displayed continuously for
several seconds if a certain
function is not available
with the indoor unit.
• When several units are
running simultaneously,
“NOT AVAILABLE” will be
displayed only when a
certain function is not
available with all indoor
units. As long as one unit
has this function, “NOT
AVAILABLE” will not be
displayed.
English
CAUTION
• Do not drag or twist the wire connecting the remote
controller, otherwise a fault may result.
• Do not touch any button of the remote controller with a
sharp object; doing so may damage the remote controller
or cause a fault.
NOTE
• The above illustration is intended for the explanation of the
display and therefore differs from the actual display during
operation.
DISPLAY
1
PROGRAMMING TIME BUTTON
Use this button to preset time on
the timer.
TIMER MODE START/STOP
BUTTON
See pages 10-11.
Use this button when the unit is
connected to the total heat
exchanger unit, etc. For details,
see the operation manual of the
total heat exchanger unit.
OPERATION MODE SELECTOR
Press this button to select your desired
operation mode.
TIMER ON/OFF BUTTON
See pages 10-11.
INSPECTION/TEST OPERATION BUTTON
(FOR MAINTENANCE)
Press this button to carry out inspection/test
operation.
• Don’t press this button at ordinary times.
• The above figure shows the operation panel when the
cover is open.
TEMPERATURE SETTING BUTTON
Use this button to set temperature.
NOTE
OPERATION PANEL
2
English
NAME AND FUNCTION OF PARTS
• Duct Connection type indoor unit
Indoor unit
Refrigerant pipe
Connecting wire
Drain pipe
To special circuit
breaker for fan
motor
Remote controller
See pages 1, 2
Earth wire
This wire leads the electricity of the indoor and outdoor units to
the earth to prevent an electric shock in case of current leakage.
English
3
SAFETY PRECAUTIONS
To gain full advantage of the air conditioner’s functions and to avoid malfunction due to mishandling, we recommend that you read this
instruction manual carefully before use.
This air conditioner is classified under “appliances not accessible to the general public”.
• The precautions described herein are classified as WARNING and CAUTION. They both contain important information
regarding safety. Be sure to observe all precautions without fail.
WARNING
CAUTION
• After reading, keep this manual in a convenient place so that you can refer to it whenever necessary. If the equipment is
transferred to a new user, be sure also to hand over the manual.
: Failure to follow these instructions properly may result in personal injury or loss of life.
Failure to observe these instructions properly may result in property damage or personal injury, which
:
may be serious depending on the circumstances.
WARNING
• Be aware that prolonged, direct exposure to cool or
warm air from the air conditioner, or to air that is too
cool or too warm can be harmful to your physical condition and health.
• When the air conditioner is malfunctioning (giving off a
burning odour, etc.) turn off power to the unit and contact your local dealer.
Continued operation under such circumstances may result in
a failure, electric shocks or fire hazards.
• Consult your local dealer about installation work.
Doing the work yourself may result in water leakage, electric
shocks or fire hazards.
• Contact professional personnel about attachment of
accessories and be sure to use only accessories specified by the manufacturer.
If a defect results from your own workmanship, it may result
in water leaks, electric shock or fire.
• Consult your local dealer regarding relocation and reinstallation of the air conditioner.
Improper installation work may result in leakage, electric
shocks or fire hazards.
• Be sure to use fuses with the correct ampere reading.
Do not use improper fuses, copper or other wires as a substitute, as this may result in electric shock, fire, injury or damage to the unit.
• Consult your local dealer regarding modification, repair
and maintenance of the air conditioner.
Improper workmanship may result in water leakage, electric
shocks or fire hazards.
• Do not place objects, including rods, your fingers, etc.,
in the air inlet or outlet.
Injury may result due to contact with the air conditioner’s
highspeed fan blades.
• Beware of fire in case of refrigerant leakage.
If the air conditioner is not operating correctly, i.e. not generating cool or warm air, refrigerant leakage could be the
cause.
Consult your dealer for assistance.
The refrigerant within the air conditioner is safe and normally
does not leak.
However, in the event of a leakage, contact with a naked
burner, heater or cooker may result in generation of noxious
gas.
Do not longer use the air conditioner until a qualified service
person confirms that the leakage has been repaired.
• Consult your local dealer regarding what to do in case of
refrigerant leakage.
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 concentration
limit in the event of a leakage. Otherwise, this may lead to an
accident due to oxygen depletion.
• Be sure to earth the unit.
Do not earth the unit to a utility pipe, lightning conductor or
telephone earth lead. Imperfect earthing may result in electric shocks 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.
• Consult the dealer if the air conditioner submerges
owing to a natural disaster, such as a flood or typhoon.
Do not operate the air conditioner in that case, or otherwise
a malfunction, electric shock, or fire may result.
• Do not start or stop operating the air conditioner with
the power supply breaker turned ON or OFF.
Otherwise, fire or water leakage may result. Furthermore,
the fan will rotate abruptly if power failure compensation is
enabled, which may result in inlury.
4
English
WARNING
• Do not use the product in the atmosphere contaminated
with oil vapor, such as cooking oil or machine oil vapor.
Oil vapor may cause crack damage, electric shocks, or fire.
• Do not use the product in places with excessive oily
smoke, such as cooking rooms, or in places with flammable gas, corrosive gas, or metal dust.
Using the product in such places may cause fire or product
failures.
CAUTION
• Do not use the air conditioner for purposes other than
those for which it is intended.
Do not use the air conditioner for cooling precision instruments, food, plants, animals or works of art as this may
adversely affect the performance, quality and/or longevity of
the object concerned.
• Do not remove the outdoor unit’s fan guard.
The guard protects against the unit’s high speed fan, which
may cause injury.
• Do not use flammable materials (e.g., hairspray or insecticide) near the product.
Do not clean the product with organic solvents such as
paint thinner.
The use of organic solvents may cause crack damage to the
product, electric shocks, or fire.
• Be sure to use a dedicated power supply for the air conditioner.
The use of any other power supply may cause heat generation, fire, or product failures.
• 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 block air inlets nor outlets.
Impaired air flow may result in insufficient performance or
trouble.
• Do not place objects that are susceptible to moisture
directly beneath the indoor or outdoor units.
Under certain conditions, condensation on the main unit or
refrigerant pipes, air filter dirt or drain blockage may cause
dripping, resulting in fouling or failure of the object concerned.
• To avoid oxygen depletion, ensure that the room is adequately ventilated if equipment such as a burner is used
together with the air conditioner.
• After prolonged use, check the unit stand and its
mounts for damage.
If left in a damaged condition, the unit may fall and cause
injury.
• Do not place flammable sprays or operate spray containers near the unit as this may result in fire.
• Before cleaning, be sure to stop unit operation, turn the
breaker off or remove the power cord.
Otherwise, an electric shock and injury may result.
• To avoid electric shocks, do not operate with wet hands. • The appliance is not intended for use by unattended
• Be sure that children, plants or animals are not exposed
directly to airflow from the unit, as adverse effects may
ensue.
• Do not wash the air conditioner with water, as this may
result in electric shocks or fire.
• Do not install the air conditioner at any place where
there is a danger of flammable gas leakage.
In the event of a gas leakage, build-up of gas near the air
conditioner may result in fire hazards.
• Do not put flammable containers, such as spray cans,
within 1 m from the blow-off mouth.
The containers may explode because the warm air output of
the indoor or outdoor unit will affect them.
• Arrange the drain hose to ensure smooth drainage.
Imperfect drainage may cause wetting.
young children or infirm persons.
Impairment of bodily functions and harm to health may result.
• Do not place appliances that produce naked flames in
places exposed to the air flow from the unit as this may
impair combustion of the burner.
• Do not place heaters directly below the unit, as resulting
heat can cause deformation.
English
• Children should be supervised to ensure that they do
not play with the unit or its remote controller.
Accidental operation by a child may result in impairment of
bodily functions and harm health.
• Do not let children play on or around the outdoor unit.
If they touch the unit carelessly, injury may be caused.
5
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