OPERATION MANUAL
Aurora Series
System air conditioner
MODEL
RELQ72TATJU
RELQ96TATJU
RELQ120TATJU
RELQ144TATJU
RELQ192TATJU
RELQ240TATJU
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.
Regarding the operation procedures of the remote controller,
refer to the manual included to the corresponding remote controller.
RELQ72TAYDU
RELQ96TAYDU
RELQ120TAYDU
RELQ144TAYDU
RELQ192TAYDU
RELQ240TAYDU
RELQ72TAYCU
RELQ96TAYCU
RELQ120TAYCU
RELQ144TAYCU
RELQ192TAYCU
RELQ240TAYCU
English
Français
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3P477778-2A
Safety Considerations
Read these Safety Considerations for Operations carefully
before installing air conditioner or heat pump. Make sure that
the unit operates properly during the startup operation.
Instruct the customer on how to operate and maintain the unit.
Inform customers that they should store this Operation
Manual with the Installation Manual for future reference.
Meanings 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 used to alert against
unsafe practices.
NOTE .................Indicates situations that may result in
equipment or property-damage
accidents only.
DANGER
• Do not install the unit in an area where ammable
materials are present due to risk of explosion resulting
in serious injury or death.
• Any abnormalities in the operation of the air
conditioner or heat pump such as smoke or re will
result in severe injury or death. Turn off the power and
contact your dealer immediately.
• Refrigerant gas may produce toxic gas if it comes into
contact with re, such as from a fan, heater, stove, or
cooking device. Exposure to this gas will result in
severe injury or death.
• For refrigerant leakage, consult your dealer.
Refrigerant gas is heavier than air and replaces
oxygen. A massive leak will result in oxygen depletion,
especially in basements, and an asphyxiation hazard
will result leading to serious injury or death.
• If equipment utilizing a burner is used in the same
room as the air conditioner or heat pump, there is the
danger of oxygen deciency which could lead to an
asphyxiation hazard resulting in serious injury or
death. Be sure to ventilate the room sufciently to
avoid this hazard.
• Safely dispose all packing and transportation
materials in accordance with federal/state/local laws
or ordinances. Packing materials such as nails and
other metal or wood parts, including plastic packing
materials used for transportation may cause injuries
or death by suffocation.
WARNING
• Contact your dealer for repair and maintenance.
Improper repair and maintenance could result in water
leakage, electric shock, and re. Only use accessories
made by Daikin that are specically designed for use
with the equipment and have them installed by a
professional.
• Contact your dealer to move and reinstall the air
conditioner or heat pump. Incomplete installation
could result in water leakage, electric shock, and re.
• Never let the indoor unit or the remote controller get
wet. Water could result in an electric shock or a re.
• Never use ammable spray such as hair spray,
lacquer, or paint near the unit. Flammable spray could
result in a re.
• When a fuse blows out, never replace it with one of
incorrect ampere ratings or different wires. Always
replace any blown fuse with a fuse of the same
specication.
• Never remove the fan guard of the unit. A fan rotating
at high speed without the fan guard is very dangerous
and could result in injury.
• Never inspect or service the unit by yourself. Contact
a qualied service person to perform this work.
• Turn off all electrical power before doing any
maintenance to avoid the risk of serious electric
shock; never sprinkle or spill water or liquids on the
unit.
• Do not touch the switch with wet ngers.
Touching a switch with wet ngers could result in
electric shock.
• Do not allow children to play on or around the unit to
prevent injury.
• The heat exchanger ns are sharp enough to cut. To
avoid injury wear gloves or cover the ns while
working around them.
• Do not put a nger or other objects into the air inlet or
air outlet. The fan is rotating at high speed and could
result in injury.
• Check the unit foundation for damage on a continuous
basis, especially if it has been in use for a long time. If
left in a damaged condition the unit may fall and could
result in injury.
• Placing a ower vase or other containers with water or
other liquids on the unit could result in a shock or re
if a spill occurs.
• Do not touch the air outlet or horizontal blades while
the swing ap is in operation could result in ngers
getting caught and injured.
• Never touch the internal parts of the controller. Do not
remove the front panel because some parts inside are
dangerous to touch. To check and adjust internal
parts, contact your dealer.
• Be sure to establish a ground.
Do not ground the unit to a utility pipe, arrester, or
telephone ground. Incomplete grounding may cause
electrical shock, or re. A high surge current from
lightning or other sources may cause damage to the
air conditioner.
i
3P477778-2A English
• Although this is a recognized measure for additional
protection, with the grounding system in North
America, a dedicated GFCI may not be necessary.
CAUTION
• Do not use the air conditioner or heat pump for any
other purposes other than comfort cooling or heating.
Do not use the unit for cooling precision instruments,
food, plants, animals or works of art.
•
Do not place items under the indoor unit it could result
in damage by condensates that may form if the humidity
is above 80% or if the drain outlet gets blocked.
• Before cleaning, stop the operation of the unit by
turning the power off or by pulling the supply cord out
from its receptacle. Otherwise, an electric shock and
injury could result.
• Do not wash the air conditioner or heat pump with
excessive water. An electric shock or re could result.
• Avoid placing the controller in a spot splashed with
water. Water entering the controller could result in an
electric shock or damage the internal electronic parts.
• Do not operate the air conditioner or heat pump when
using a room fumigation type of insecticide. Failure to
observe this could result in the chemicals to be
deposited in the unit and can endanger the health of
those who are hypersensitive to chemicals.
• Do not turn off the power immediately after stopping
operation. Always wait for at least ve minutes before
turning off the power. Otherwise, water leakage could
result.
• The appliance is not intended for use by young
children or inrm persons without supervision.
• The remote controller should be kept away from
children so they cannot play with it.
• Consult with the installation contractor for cleaning.
• Incorrect cleaning of the inside of the air conditioner
or heat pump could result in the plastics parts break
resulting in water leakage or electric shock.
• Do not touch the air inlet or aluminum n of the air
conditioner or heat pump as they can cut and could
result in injury.
• Do not place objects in direct proximity of the outdoor
unit. Do not let leaves and other debris accumulate
around the unit. Leaves are a hotbed for small animals
which can enter the unit. Once inside the unit, animals
result in the unit malfunctioning, and could result in
smoke or re when they make contact with electrical
parts.
NOTE
• Never press the button of the remote controller with a
hard, pointed object. The remote controller result in
damage.
• Never pull or twist the electric wire of the remote
controller. It may result in the unit malfunctioning.
• Do not place appliances that produce open ames in
places that are exposed to the air ow of the unit or
under the indoor unit. It may result in incomplete
combustion or deformation of the unit due to the heat.
• Do not expose the controller to direct sunlight. The
LCD display can become discolored and may result in
fail to display the data.
• Do not wipe the controller operation panel with
benzene, thinner, chemical dust cloth, etc. The result
may be that the panel becomes discolored or the
coating can peel off. If it is heavily dirty, soak a cloth in
water-diluted neutral detergent, squeeze it well and
wipe the panel clean. Then wipe it with another dry
cloth.
• Dismantling of the unit, disposal of the refrigerant, oil,
and additional parts, should be done in accordance
with the relevant local, state, and national regulations.
• Operate the air conditioner or heat pump in a
sufciently ventilated area and not surrounded by
obstacles. Do not use the air conditioner or heat pump
in the following places.
a. Places with a mist of mineral oil, such as cutting oil.
b. Locations such as coastal areas where there is a lot
of salt in the air.
c. Locations such as hot springs where there is a lot
of sulfur in the air.
d. Locations such as factories where the power
voltage varies a lot.
e. In cars, boats, and other vehicles.
f. Locations such as kitchens where oil may splatter
or where there is steam in the air.
g. Locations where equipment produces
electromagnetic waves.
h. Places with an acid or alkaline mist.
i. Places where fallen leaves can accumulate or where
weeds can grow.
• Take snow protection measures. Contact your dealer
for the details of snow protection measures, such as
the use of a snow protection hood.
• Do not attempt to do electrical work or grounding work
unless you are licensed to do so. Consult with your
dealer for electrical work and grounding work.
• Pay Attention to Operating Sound. Be sure to use the
following places:
a. Places that can sufciently withstand the weight of
the air conditioner or heat pump yet can suppress
the operating sound and vibration.
b. Places where warm air from the air outlet of the
outdoor unit or the operating sound of the outdoor
unit does not annoy neighbors.
• Make sure that there are no obstacles close to the
outdoor unit. Obstacles close to the outdoor unit may
drop the performance of the outdoor unit or increase
the operating sound of the outdoor unit.
• Consult your dealer if the air conditioner or heat pump
in operation generates unusual noise.
• Make sure that the drainpipe is installed properly to
drain water. If no water is discharged from the
drainpipe while the air conditioner or heat pump is in
the cooling mode, the result may be that the drainpipe
becomes clogged with dust or dirt and water leakage
from the indoor unit may occur. Stop operating the air
conditioner or heat pump and contact your dealer.
3P477778-2A English
ii
Safety Considerations
[Place of Installation]
• Make sure that the air conditioner is located in a
sufciently ventilated place not surrounded by
obstacles.
• Do not use the air conditioner in the following places.
a. Places with a mist of mineral oil, such as cutting oil.
b. Locations such as coastal areas where there is a lot of
salt in the air.
c. Locations such as hot springs resorts where there is a
lot of sulfur in the air.
d. Locations such as factories where the power voltage
varies a lot.
e. In cars, boats, and other vehicles.
f. Locations such as kitchens where oil may splatter or
there is steam in the air.
g. Locations where equipment that produces
electromagnetic waves is found.
h. Places with an acid or alkaline mist.
i. Places where fallen leaves are accumulated or weeds
grow close together.
• Take snow protection measures.
Contact your local dealer for the details of snow protection
measures, such as the use of a snow protection hood.
[Electrical Work]
• Do not attempt to conduct electrical work or
grounding work unless you are licensed to do so.
Consult with your local dealer for electrical work and
grounding work.
• Use a dedicated circuit for the air conditioner.
[Pay Attention to Operating Sound]
• Be sure to use the following places.
a. Places that can sufciently withstand the weight of the
air conditioner and suppress the operating sound and
vibration of the air conditioner.
b. Places where warm air from the air outlet of the outdoor
unit or the operating sound of the outdoor unit does not
annoy neighbors.
• Make sure that there are no obstacles close to the
outdoor unit.
Obstacles close to the outdoor unit may drop the
performance of the outdoor unit or an increase in the
operating sound of the outdoor unit.
• Consult your local dealer if the air conditioner in
operation generates unusual noise.
[Drainage through Drainpipe]
• Make sure that the drainpipe is installed properly to
drain water.
If no water is discharged from the drainpipe while the air
conditioner is cooling operation, the drainpipe may be
clogged with dust or dirt and water leakage from the indoor
units may result.
Stop operating the air conditioner and consult your local
dealer.
iii
3P477778-2A English
RELQ72TATJU
RELQ96TATJU
RELQ120TATJU
RELQ144TATJU
RELQ192TATJU
RELQ240TATJU
RELQ72TAYDU
RELQ96TAYDU
RELQ120TAYDU
RELQ144TAYDU
RELQ192TAYDU
RELQ240TAYDU
RELQ72TAYCU
RELQ96TAYCU
RELQ120TAYCU
RELQ144TAYCU
RELQ192TAYCU
RELQ240TAYCU
Contents
Safety Considerations ................................................[i] [ii] [iii]
Specications ....................................................................... 2
What to do before Operation ................................................ 3
Operation Range .................................................................. 3
Name and Function of Each Switch and Display .................. 4
Operation Procedure ............................................................ 4
Maintenance ......................................................................... 6
Reference Information .......................................................... 7
Optimum Operation .............................................................. 8
Seasonal Maintenance ......................................................... 8
Following Symptoms are not Air Conditioner Troubles ......... 9
Trouble Shooting ................................................................. 11
After-Sales Service and Warranty ...................................... 12
VRV Aurora Series
System air conditioner
Operation Manual
The original instructions are written in English. All other
languages are translations of the original instructions.
3P477778-2A English
1
Specications
This table shows the specications of the single module.
For the specications of the multi module system, refer to the specications of each single module that constitutes the system.
Model name RELQ72TATJU RELQ96TATJU RELQ120TATJU
Power supply
Phase — 3~ 3~ 3~
Frequency Hz 60 60 60
Voltage V 208/230 208/230 208/230
Nominal cooling Maximum capacity Btu/h 72,000 96,000 120,000
Nominal heating Maximum capacity Btu/h 81,000 108,000 135,000
Dimensions H×W×D inch (mm) 66-11/16 (1694) × 48-7/8 (1242) × 30-3/16 (767)
Mass Ibs. (kg) 727 (330) 793 (360) 793 (360)
Refrigerant
Type — R410A R410A R410A
Charge Ibs. (kg) 25.8 (11.7) 25.8 (11.7) 25.8 (11.7)
Design pressure
High side psig (MPa) 478 (3.3) 478 (3.3) 478 (3.3)
Low side psig (MPa) 320 (2.21) 320 (2.21) 320 (2.21)
Model name RELQ72TAYDU RELQ96TAYDU RELQ120TAYDU
Power supply
Phase — 3~ 3~ 3~
Frequency Hz 60 60 60
Voltage V 460 460 460
Nominal cooling Maximum capacity Btu/h 72,000 96,000 120,000
Nominal heating Maximum capacity Btu/h 81,000 108,000 135,000
Dimensions H×W×D inch (mm) 66-11/16 (1694) × 48-7/8 (1242) × 30-3/16 (767)
Mass Ibs. (kg) 727 (330) 793 (360) 793 (360)
Refrigerant
Type — R410A R410A R410A
Charge Ibs. (kg) 25.8 (11.7) 25.8 (11.7) 25.8 (11.7)
Design pressure
High side psig (MPa) 478 (3.3) 478 (3.3) 478 (3.3)
Low side psig (MPa) 320 (2.21) 320 (2.21) 320 (2.21)
Model name RELQ72TAYCU RELQ96TAYCU RELQ120TAYCU
Power supply
Phase — 3~ 3~ 3~
Frequency Hz 60 60 60
Voltage V 575 575 575
Nominal cooling Maximum capacity Btu/h 72,000 96,000 120,000
Nominal heating Maximum capacity Btu/h 81,000 108,000 135,000
Dimensions H×W×D inch (mm) 66-11/16 (1694) × 48-7/8 (1242) × 30-3/16 (767)
Mass Ibs. (kg) 727 (330) 793 (360) 793 (360)
Refrigerant
Type — R410A R410A R410A
Charge Ibs. (kg) 25.8 (11.7) 25.8 (11.7) 25.8 (11.7)
Design pressure
High side psig (MPa) 478 (3.3) 478 (3.3) 478 (3.3)
Low side psig (MPa) 320 (2.21) 320 (2.21) 320 (2.21)
2
3P477778-2A English
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