Daikin VRV RXYQ96AATJ Series User manual

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OPERATION MANUAL
MODEL
RXYQ72AATJ*
RXYQ96AATJ*
RXYQ120AATJ*
RXYQ144AATJ*
RXYQ168AATJ*
RXYQ192AATJ*
RXYQ216AATJ*
RXYQ240AATJ*
RXYQ264AATJ*
RXYQ288AATJ*
RXYQ312AATJ*
RXYQ336AATJ*
RXYQ360AATJ*
RXYQ384AATJ*
RXYQ408AATJ*
RXYQ432AATJ*
RXYQ456AATJ*
RXYQ480AATJ*
RXYQ72AAYD*
RXYQ96AAYD*
RXYQ120AAYD*
RXYQ144AAYD*
RXYQ168AAYD*
RXYQ192AAYD*
RXYQ216AAYD*
RXYQ240AAYD*
RXYQ264AAYD*
RXYQ288AAYD*
RXYQ312AAYD*
RXYQ336AAYD*
RXYQ360AAYD*
RXYQ384AAYD*
RXYQ408AAYD*
RXYQ432AAYD*
RXYQ456AAYD*
RXYQ480AAYD*
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.
VRV System air conditioner
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Read these Safety Considerations for Operations carefully
before installing air conditioning equipment. After completing
the installation, 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 such as smoke or re could result in
severe injury or death. Turn off the power and contact
your dealer immediately.
•Refrigerant gas may produce toxic gas if it comes in
contact with re, such as 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 deciency which could lead to an asphyxiation
hazard resulting in serious injury or death. Be sure to
ventilate the room sufciently 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 can not play with them.
Children playing with plastic bags face the danger of
death by suffocation.
WARNING
•Contact your dealer for repair and maintenance.
Improper repair and maintenance may result in water
leakage, electric shock, and re. Only use accessories
made by Daikin that are specically designed for use
with the equipment and have them installed by a
professional.
•Contact your dealer to move and reinstall the air
conditioner. Incomplete installation may result in water
leakage, electric shock, and re.
•Never let the indoor unit or the remote controller get
wet. Water can cause an electric shock or a re.
•Never use ammable spray such as hair spray,
lacquer, or paint near the unit. Flammable spray may
cause a re.
•When a fuse blows out, never replace it with one of
incorrect ampere ratings or different wires.
•Never inspect or service the unit by yourself. Contact
a qualied 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 can cause 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 may
cause 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 cause
injury.
•Placing a ower vase or other containers with water or
other liquids on the unit could cause a shock or re if
a spill occurs.
•Do not touch the air outlet or horizontal blades while
the swing ap is in operation because ngers could
get caught and injured.
•Never touch the internal parts of the controller. Do not
remove the control box cover because some parts
inside are dangerous to touch. To check and adjust
internal parts, contact your dealer.
•Be sure to ground the unit.
Do not ground the unit to an utility pipe, arrester, or
telephone ground. Incomplete grounding may cause
electric shock, or re. A high surge current from
lightning or other sources may cause damage to the
air conditioner.
•This equipment can be installed with a Ground-Fault
Circuit Breaker (GFCI). Although this is a recognized
measure for additional protection, with the grounding
system in North America, a dedicated GFCI is not
necessary.
Safety Considerations
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CAUTION
•Do not use the air conditioner 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 as they may
be damaged 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 may result.
•Do not wash the air conditioner with excessive water.
An electric shock or re may result.
•Avoid placing the controller in a spot splashed with
water. Water entering the controller may cause an
electric shock or damage the internal electronic parts.
•Do not operate the air conditioner when using a room
fumigation type of insecticide. Failure to observe this
could cause 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 may
occur.
•This appliance is not intended for use by persons
(including children) with reduced physical, sensory or
mental capabilities, or lack of experience and
knowledge, unless they have been given supervision
or instruction concerning use of the appliance by a
person responsible for their safety.
•Children should be supervised to ensure that they do
not play with the appliance.
•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
could make the plastics parts break and cause water
leakage or electric shock.
• Do not touch the air inlet or aluminum n of the air
conditioner as they can cut and cause 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
can cause the unit to malfunction, and cause 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 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 that produce open ames in
places that are exposed to the airow of the unit or
under the indoor unit. It may cause 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 fail to
display the data.
•Do not wipe the controller operation panel with
benzene, thinner, chemical dust cloth, etc. The panel
may get 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 in a sufciently ventilated
area and 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 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 sufciently withstand the weight of
the air conditioner yet can 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 increase
the operating sound of the outdoor unit.
•Consult your dealer if the air conditioner 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 is in the cooling
mode, the drainpipe may be clogged with dust or dirt
and water leakage from the indoor unit may occur.
Stop operating the air conditioner and contact your
dealer.
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Safety Considerations
[Place of Installation]
•Make sure that the air conditioner is located in a
sufciently 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 sufciently 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.
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VRV System
air conditioner
Operation
Manual
RXYQ72AATJ*
RXYQ96AATJ*
RXYQ120AATJ*
RXYQ144AATJ*
RXYQ168AATJ*
RXYQ192AATJ*
RXYQ216AATJ*
RXYQ240AATJ*
RXYQ264AATJ*
RXYQ288AATJ*
RXYQ312AATJ*
RXYQ336AATJ*
RXYQ360AATJ*
RXYQ384AATJ*
RXYQ408AATJ*
RXYQ432AATJ*
RXYQ456AATJ*
RXYQ480AATJ*
RXYQ72AAYD*
RXYQ96AAYD*
RXYQ120AAYD*
RXYQ144AAYD*
RXYQ168AAYD*
RXYQ192AAYD*
RXYQ216AAYD*
RXYQ240AAYD*
RXYQ264AAYD*
RXYQ288AAYD*
RXYQ312AAYD*
RXYQ336AAYD*
RXYQ360AAYD*
RXYQ384AAYD*
RXYQ408AAYD*
RXYQ432AAYD*
RXYQ456AAYD*
RXYQ480AAYD*
Contents
Safety Considerations ........................................................... i
Specications ....................................................................... 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 Issues Do Not Mean System Malfunction............. 9
Trouble Shooting................................................................. 11
After-Sales Service and Warranty ...................................... 12
The original instructions are written in English.
All other languages are translations of the original
instructions.
1
English
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Specications
This table shows the specications of the single module.
For the specications of the multi module system, refer to the specications of each single module that constitutes the system.
Model name RXYQ72AATJ * RXYQ96AATJ * RXYQ120AATJ * RXYQ144AATJ * RXYQ168AATJ *
Power supply
Phase — 3~ 3~ 3~ 3~ 3~
Frequency Hz 60 60 60 60 60
Voltage V 208/230 208/230 208/230 208/230 208/230
Nominal cooling Maximum capacity Btu/h 72,000 96,000 120,000 144,000 168,000
Nominal heating Maximum capacity Btu/h 81,000 108,000 135,000 162,000 189,000
Dimensions H×W×D inch
(mm)
65-3/8 × 36-5/8 × 30-1/8
(1660 × 930 × 765)
65-3/8 x 48-13/16 x 30-1/8
(1660 x 1240 x 765)
Mass Ibs. (kg) 496 (225) 683 (310) 683 (310) 750 (340) 750 (340)
Refrigerant
Type — R410A R410A R410A R410A R410A
Charge Ibs. (kg) 15.2 (6.9) 24.9 (11.3) 25.4 (11.5) 25.8 (11.7) 25.8 (11.7)
Maximum allowable pressure psig (MPa) 580 (4.0) 580 (4.0) 580 (4.0) 580 (4.0) 580 (4.0)
Model name RXYQ192AATJ * RXYQ216AATJ * RXYQ240AATJ *
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 192,000 216,000 240,000
Nominal heating Maximum capacity Btu/h 216,000 243,000 270,000
Dimensions H×W×D inch
(mm)
65-3/8 x 68-7/8 x 30-1/8
(1660 x 1750 x 765)
Mass Ibs. (kg) 904 (410) 904 (410) 904 (410)
Refrigerant
Type — R410A R410A R410A
Charge Ibs. (kg) 25.8 (11.7) 25.8 (11.7) 25.8 (11.7)
Maximum allowable pressure psig (MPa) 580 (4.0) 580 (4.0) 580 (4.0)
Model name RXYQ72AAYD * RXYQ96AAYD * RXYQ120AAYD * RXYQ144AAYD * RXYQ168AAYD *
Power supply
Phase — 3~ 3~ 3~ 3~ 3~
Frequency Hz 60 60 60 60 60
Voltage V 460 460 460 460 460
Nominal cooling Maximum capacity Btu/h 72,000 96,000 120,000 144,000 168,000
Nominal heating Maximum capacity Btu/h 81,000 108,000 135,000 162,000 189,000
Dimensions H×W×D inch
(mm)
65-3/8 × 36-5/8 × 30-1/8
(1660 × 930 × 765)
65-3/8 x 48-13/16 x 30-1/8
(1660 x 1240 x 765)
Mass Ibs. (kg) 507 (230) 694 (315) 694 (315) 761 (345) 761 (345)
Refrigerant
Type — R410A R410A R410A R410A R410A
Charge Ibs. (kg) 15.2 (6.9) 24.9 (11.3) 25.4 (11.5) 25.8 (11.7) 25.8 (11.7)
Maximum allowable pressure psig (MPa) 580 (4.0) 580 (4.0) 580 (4.0) 580 (4.0) 580 (4.0)
Model name RXYQ192AAYD * RXYQ216AAYD * RXYQ240AAYD *
Power supply
Phase — 3~ 3~ 3~
Frequency Hz 60 60 60
Voltage V 460 460 460
Nominal cooling Maximum capacity Btu/h 192,000 216,000 240,000
Nominal heating Maximum capacity Btu/h 216,000 243,000 270,000
Dimensions H×W×D inch
(mm)
65-3/8 x 68-7/8 x 30-1/8
(1660 x 1750 x 765)
Mass Ibs. (kg) 915 (415) 915 (415) 915 (415)
Refrigerant
Type — R410A R410A R410A
Charge Ibs. (kg) 25.8 (11.7) 25.8 (11.7) 25.8 (11.7)
Maximum allowable pressure psig (MPa) 580 (4.0) 580 (4.0) 580 (4.0)
2English
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What to do before Operation
This operation manual is for the following system with standard control. Before initiating operation, contact your local dealer for
the operation that corresponds to your system type.
If your installation has a customized control system, ask your local dealer for the operation that corresponds to your system.
7
6
RXYQ series 1. Outdoor unit
2. Indoor unit
3. Remote controller
4. Inlet air
5. Outlet air
6. Cool/Heat selector
7. Refrigerant piping
Operation Range
COOLING HEATING
Outdoor temperature 23 to 110°FDB
(–5 to 43°CDB)
–13 to 60°FWB
(–25 to 16°CWB)
Indoor temperature 57 to 77°FWB
(14 to 25°CWB)
59 to 80°FDB
(15 to 27°CDB)
Indoor humidity 80% —
Note
• Cooling operation:
If the air conditioner is operated continuously while the indoor temperature is 70°FDB (21°CDB) or below and the humidity is 80% or
over, the interiors of the indoor units may cause icing and water leakage may result.
• Heating operation:
The air conditioner may stop operating for the protection of the machine if the outdoor temperature is 70°FDB (21°CDB) or over.
3
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Name and Function of Each Switch and Display
Cool/Heat Selector
• When the Cool/Heat selector remote controller is installed, the remote controller connected to the indoor unit cannot be used
to switch between cooling and heating operation.
<Cool/Heat selector> 1. Fan only/air conditioning selector switch
• Set the switch to “ ” for fan only operation or to “ ” for heating or cooling
operation.
2. COOL/HEAT changeover switch
• Set the switch to “ ” for cooling operation or to “ ” for heating operation.
Remote controller
• For more information, see the operation manual that came with the remote controller.
Operation Procedure
• Operation procedure varies according to the combination of outdoor unit and remote controller. Read the chapter “What to do
before Operation”.
• Do not turn it off during the air conditioning season for starting operation smoothly.
• If the main power supply is turned off during operation, operation will restart automatically after the power turns back on again.
Cool/Heat Selector
Cooling, Heating and Fan only operation
• Select operation mode with the Cool/Heat selector as follows:
Cooling operation Heating operation Fan only operation
• Press On/Off button on the remote controller.
The operation lamp lights up and the system starts operation.
• The system can now be controlled from the remote controller.
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Dry Mode
Preparation
• For equipment protection purposes, apply power to the outdoor units at least 6 hours
before starting the operation of the system.
• The dry mode may not be selected if the remote controller is master controlled and the
system is not already in the cooling mode of operation (see the following section).
• In case of changing the operation mode by the Cool/Heat selector, set it to cooling
operation mode.
• The system can now be controlled from the remote controller.
Cool/Heat Mode Selection Availability
• “Cool”, “Heat” and “Auto” are all only available for selection on the COOL/HEAT changeover master indoor unit. The following
table indicates the available operating modes of the other indoor units on the system based upon the selected mode of the
master indoor unit.
When the master indoor
unit is set to
The other indoor units in the system can be set to
Cool Dry Heat Fan
Cool mode
Dry mode
Heat mode
Fan mode
Auto mode (Cooling operation)
Auto mode (Heating operation)
Precautions for Selecting the COOL/HEAT Changeover Master Indoor Unit
• The COOL/HEAT changeover master must be set for a single indoor unit in the following applications.
(2-Pipe Heat Pump System)
Indoor units
A number of indoor units are
connected to a single outdoor unit.
Set any one of the indoor units as
the COOL/HEAT changeover master.
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Maintenance
Reset Filter Indicator
Operation
1 Cool
Time to clean filter
Set to
Cool
74F
• When it is time to clean or replace the lter, one of the following messages will appear
on the bottom of the basic screen.
“Time to clean lter”
“Time to clean lter & element”
“Time to clean element”
• Wash, clean, or replace the lter or element.
For details, refer to the Operation Manual came with the indoor unit.
2 •
Reset the lter indicator when the lter or element is cleaned or replaced.
• Press Menu/OK button.
The main menu screen will appear.
3
Setting
Main Menu
Reset Filter Indicator
Air Flow Direction
Ventilation
Schedule
Off Timer
Celsius / Fahrenheit
1/2
Cool
Set to
Cool
74F
• Press buttons to select Reset Filter Indicator on the main menu
screen and press Menu/OK button.
• The message shown in illustration 1 will disappear from the basic screen
when the lter sign is reset.
Maintaining the Unit and LCD Display
• Wipe the LCD and surface of the remote controller with a dry cloth when they become dirty.
• If the dirt on the surface cannot be removed, soak the cloth in neutral detergent diluted with water, squeeze the cloth tightly,
and clean the surface. Wipe the surface with a dry cloth.
Note
• Do not use any paint thinner, organic solvent, or strong acid.
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Reference Information
Error Code Display
Contact your local dealer in the following cases
Operation
1 Cool
Set to
Cool
74F
Error : Press Menu button
• If an error occurs, either one of the following items will ash in the basic screen.
“Error: Press Menu button”
* The operation lamp will ash.
“Warning: Press Menu button”
* The operation lamp will not ash.
• Press Menu/OK button.
Operation
lamp
2
Error code A1
Contact Info
0123-456-7890
Indoor Model ---/000
Outdoor Model ---/000
• The Error code will ash and the service contact and model name or code
may appear.
• Notify your local dealer of the Error code and model name or code.
Precautions for Group Control System or Two Remote Controllers Control System
This system provides two other control systems beside individual control (one remote controller controls one indoor unit) system.
Conrm which type of your unit is the following system.
• Group control system
One remote controller controls up to 16 indoor units. All indoor units are equally set.
• Two remote controllers control system
Two remote controllers control one indoor unit (in case of group control system, one group of indoor units). The unit is
individually operated.
Note
• Contact your local dealer in case of changing the combination or setting of group control and two remote controller control systems.
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Optimum Operation
Observe the following precautions to ensure the system operates properly.
• Prevent direct sunlight from entering a room during cooling operation by using curtains or blinds.
• Do not leave doors and windows open. If the doors and windows remain open, air will ow out of your room causing a
decrease in the cooling or heating effect.
• Do not use other heating devices directly beneath the indoor unit.
If you do, they might get deformed by the heat.
• Never place objects near the air inlet or the air outlet of the unit. It may cause deterioration in the effect or stop the operation.
• Adjust the room temperature properly for a comfortable environment. Avoid excessive heating or cooling.
• Ventilate often.
To avoid oxygen deciency, ensure that the room is adequately ventilated if equipment such as a burner is used together with
the air conditioner.
•
Keep the indoor unit and remote controller at least 3.5ft. (1m) away from televisions, radios, stereos, and other similar equipment.
Failing to do so may cause static or distorted pictures.
• Turn off the main power supply switch to the unit when the unit is not used for longer periods of time. If the switch is on, it uses
electricity. Before restarting the unit, turn on the main power supply switch 6 hours before operation to ensure smooth running.
(Refer to the chapter “Maintenance” in the indoor unit manual.)
• Fully use the function of air ow direction adjust.
Cold air gathers on the oor, and warm air gathers in the ceiling.
Set the air ow direction parallel during cooling or dry operation, and set it downwards during heating operation.
Do not let the air blow directly to a person.
• It takes time for the room temperature to reach the set temperature.
We recommend starting the operation in advance using schedule operation.
Seasonal Maintenance
Caution
• Do not touch the air inlets or aluminum ns of the outside or indoor units.
Touching them may result in injury.
• Do not wash the outside or indoor units with water.
An electric shock or re may result.
• Watch your steps at the time of air lter cleaning etc.
If the scaffold is unstable, you may fall or topple down, thus causing injury.
• Be sure to stop the operation, and turn the breaker off before cleaning.
This may cause electric shock and injury.
• Consult with the dealer for cleaning the interior of the indoor units.
Incorrect cleaning may damage the plastic parts and cause failures, such as water leakage, and an electric shock may result.
At the beginning of the season
Check
• Are the indoor and outdoor unit intake and outlet vents blocked?
Remove anything that might be blocking them.
Clean the exterior.
• See the Operation Manual came with the indoor unit for details on how to clean it.
Turn the power on.
• When the power comes on, the characters in the remote controller display appear.
(To protect the unit, turn the power on at least 6 hours before operating it. This makes operation smoother.)
At the end of the season
On a clear day, use fan operation for around half a day to thoroughly dry out the interior of the unit.
• This step is performed to prevent build up of mold and other harmful organisms.
Turn off the power.
• When the power is shut off, the characters in the remote controller display disappear.
• If the power is on, the unit consumes up to several dozen Watts of power.
Turn off the power to conserve energy.
Clean the exterior.
• See the Operation Manual came with the indoor unit for details on how to clean it.
Please refer to the Maintenance and service check list available on Daikin City or contact your Daikin representative for the latest
document.
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Following Issues Do Not Mean System Malfunction
The system does not operate
• The air conditioner does not start immediately when restarting or changing the operation mode.
If the operation lamp lights, the system is in normal condition.
To prevent overloading of the compressor motor, the air conditioner starts 5 minutes after it is turned ON again in case it was turned OFF just
before.
• If “
CENTRAL
CONTROL ” is displayed on the remote controller and pressing the operation button causes the display to blink for a few
seconds.
This indicates that the central device is controlling the unit.
The blinking display indicates that the remote control cannot be used.
• The system does not start immediately after the power supply is turned on.
Wait 10 minutes until the micro computer is prepared for operation.
It stops sometimes
• The remote controller display reads “U4” or “U5” and the unit stops but then restarts after a few minutes.
This is because the remote control is intercepted by noise from electrical appliances other than the air conditioner, and this prevents
communication between the units, causing them to stop.
Operation automatically restarts when the noise goes away.
Cool/heat cannot be changed over
• When the display shows “
MASTER
CONTROLLED ”.
It shows that this is a sub remote controller.
• When the Cool/Heat selector switch is installed and the display shows “
MASTER
CONTROLLED ”.
This is because COOL/HEAT changeover is controlled by the Cool/Heat selector. Ask your local dealer where the Cool/Heat selector is installed.
Fan operation is possible, but cooling and heating do not work
• Immediately after the power is turned on.
The micro computer is getting ready to operate. Wait 10 minutes.
The fan speed does not correspond to the setting
• The fan speed does not change even if the fan speed control button is pressed.
During heating operation, when the room temperature reaches the set temperature, the outdoor unit goes off and the indoor unit changes to
whisper the fan speed.
This is to prevent cold air blowing directly on occupants of the room.
The fan speed will not change even if the button is pressed, when another indoor unit is in heating operation.
The fan direction does not correspond to the setting
• The fan direction does not correspond to the remote control display.
The fan direction does not swing.
This is because the unit is being controlled by the micro computer.
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Following Issues Do Not Mean System Malfunction
White mist comes out of the unit
Indoor unit
• When humidity is high during cooling operation.
If the interior of indoor unit is extremely contaminated, the temperature distribution inside a room becomes uneven. It is necessary to clean the
interior of the indoor unit. Ask your local dealer for details on cleaning the unit. This operation requires a qualied service person.
• Immediately after the cooling operation stops and if the room temperature and humidity are low.
This is because warm refrigerant gas ows back into the indoor unit and generates steam.
Outdoor unit
• When the system is changed over to heating operation after defrost operation.
Moisture generated by defrost becomes steam and is exhausted.
Noise of air conditioners
Indoor unit
• An electric starting sound is heard immediately after the power supply is turned on.
The electronic expansion valve inside an indoor unit starts working and makes the noise. Its volume will reduce in about 1 minute.
• A continuous low hissing sound like owing water is heard when the system is in cooling operation or at a stop.
When the drain pump (an optional accessory) is in operation, this noise is heard.
• A squeaking sound is heard when the system stops after heating operation.
Expansion and contraction of plastic parts caused by temperature change make this noise.
• A low sound like dripping water is heard while the indoor unit is stopped.
When the other indoor unit is in operation, this noise is heard. In order to prevent oil and refrigerant from remaining in the system, a small amount
of refrigerant is kept owing.
Outdoor unit
• When the tone of operating noise changes.
This noise is caused by the change of frequency.
Indoor unit, outdoor unit
• A continuous low hissing sound is heard when the system is in cooling or defrost operation.
This is the sound of refrigerant gas owing through both indoor and outdoor units.
• A hissing sound which is heard at the start or immediately after stopping operation or defrost operation.
This is the noise of refrigerant caused by ow stop or ow change.
Dust comes out of the unit
• When the unit is used after stopping for a long time.
This is because dust has gotten into the unit.
The units can give off odors
• During operation.
The unit can absorb the smell of rooms, furniture, cigarettes, etc., and then emit it again.
The outdoor unit fan does not rotate
• During operation.
The speed of the fan is controlled in order to optimize product operation.
The compressor or fan in the outdoor unit does not stop
• This is to prevent oil and refrigerant from remaining in the compressor. The unit will stop after 5 to 10 minutes.
The inside of outdoor unit is warm even when the unit has stopped
• This is because the crankcase heater is warming the compressor so that the compressor can start smoothly.
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Hot air is emitted even though the unit is stopped
• Hot air can be felt when the unit is stopped.
Several different indoor units are being run on the same system, so if another unit is running, some refrigerant will still ow through the unit.
Does not cool very well
• Dry operation.
Dry operation is designed to lower the room temperature as little as possible.
Refer to page5.
Trouble Shooting
If one of the following malfunctions occur, take the measures shown below and contact your local dealer.
Warning
• Stop operation and shut off the power if anything unusual occurs (burning smells, etc.)
Leaving the unit running under such circumstances may cause breakage, electrical shock, or re.
Contact your local dealer.
• If a safety device such as a fuse or a breaker frequently actuates;
Measure : Do not turn on the main power switch.
• If the ON/OFF switch does not properly work;
Measure : Turn off the main power switch.
• If water leaks from unit;
Measure : Stop the operation.
• The operation mode selector button does not work well.
Turn off the power.
If the system does not properly operate except for the above mentioned cases and none of the above mentioned
malfunctions is evident, investigate the system according to the following procedures.
If it is impossible to x the problem after checking all the above items, contact your local dealer.
Let them know the symptoms, system name, and model name.
1. If the system does not operate at all;
• Check for power failure.
Wait until power is restored. If power failure occurs during operation, the system automatically restarts immediately after the
power supply is recovered.
• Check if fuse has blown;
Turn off the power supply.
• Check if the breaker is blown.
Turn the power on with the breaker switch in the OFF position.
Do not turn the power on with the breaker switch in the Trip position.
(Contact your local dealer.)
2. If the system stops soon after starting the operation;
• Check if air inlet or outlet of outside or indoor unit is blocked by obstacles.
Remove any obstacle and make it well-ventilated.
• Check if the remote controller display shows “Time to clean lter & element”;
Refer to the Operation Manual of the indoor unit. And clean the air lter or element.
3. The system operates but cooling or heating is insufcient;
• Check if air inlet or outlet of outside or indoor unit is blocked by obstacles.
Remove any obstacle and make it well-ventilated.
• Check if the remote controller display shows “Time to clean lter & element”;
Refer to the Operation Manual of the indoor unit. And clean the air lter or element.
• Check the temperature setting.
Refer to “Operation Procedure”.
Breaker
ON
OFF
Switch
Trip position
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Trouble Shooting
• Check the fan speed setting on your remote controller.
Refer to “Operation Procedure”.
• Check for open doors or windows.
Shut doors and windows to prevent wind from coming in.
• Check if there are too many occupants in the room during cooling operation.
• Check if the heat source of the room is excessive during cooling operation.
• Check if direct sunlight enters the room during cooling operation.
Use curtains or blinds.
• Check if the air ow angle is not proper.
Refer to “Operation Procedure”.
After-Sales Service and Warranty
After-sale Service
Danger
• Refrigerant gas may produce a toxic gas if it comes in contact with re such as from a fan, heater, stove or cooking device.
Exposure to this gas could cause severe injury or death.
Warning
• Do not disassemble, modify or repair the unit.
This may cause water leakage, electric shock or re.
Contact your local dealer.
• Do not remove or reinstall the unit by yourself.
Incorrect installation may cause water leakage, electrical shock or re.
Contact your local dealer.
• When asking your local dealer to repair, inform related staff of the details as follows:
• Model name and product No. of air conditioner
• Shipping date and installation date
• Malfunction:
Inform the staff of the defective details. (Malfunction code being displayed on the remote controller.)
• Name, address, telephone number
• Repair after the warranty term is expired
Contact your local dealer.
• Minimum storage period of important parts
Even after a certain type of air conditioner is discontinued, we have the related important parts in stock for 9 years at least.
The important parts indicate parts essential to operate the air conditioner.
• Recommendations for maintenance and inspection
Since dust collects after using the unit for several years, the performance will be deteriorated to some extent.
Disassembling and cleaning inside require technical expertise, so we recommend entering a maintenance and inspection
contract (at a cost) separate from regular maintenance.
• Recommended inspection and maintenance cycles
[Note: The maintenance cycle is not the same as the warranty period.]
Table 1 assumes the following usage conditions.
1. Normal use without frequent starting and stopping of the machine.
(Although it varies with the model, we recommend not starting and stopping the machine more than 6 times/hour for
normal use.)
2. Operation of the product is assumed to be 10 hours/day and 2,500 hours/year.
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• Table 1 “Inspection Cycle” and “Maintenance Cycle” Lists
Name of Main Part Inspection Cycle Maintenance Cycle*1
Compressor
1 year
20,000 hours
Electric motor (fan, damper, etc.) 20,000 hours
Printed circuit boards 25,000 hours
Heat exchanger 5 years
Sensor (thermistor, etc.) 5 years
Remote controller and switches 25,000 hours
Drain pan 8 years
Expansion valve 20,000 hours
Electromagnetic valve 20,000 hours
FAN Outside : 10 years
Indoor : 13 years
Note
This table indicates main parts.
See the maintenance and inspection contract for details.
*1
The maintenance cycle durations are for appropriate budgetary maintenance planning.
The maintenance cycle indicates the recommended length of time before the need for maintenance work may arise due to
normal wear and tear for a system under normal use that has undergone recommended inspection and regular maintenance.
Contact your local dealer for detailed estimate and inspection/service planning.
Shortening of “maintenance cycle” and “replacement cycle” needs to be considered in the following cases.
1. When used in hot, humid locations or locations where temperature and humidity uctuate greatly.
2. When used in locations where power uctuation (voltage, frequency, wave distortion, etc.) is high.
(Cannot be used if it is outside the allowable range.)
3. When installed and used in locations where bumps and vibrations are frequent.
4. When used in bad locations where dust, salt, harmful gas or oil mist such as sulfurous acid and hydrogen sulde may be
present in the air.
5. When used in locations where the machine is started and stopped frequently or operation time is long. (Example: 24 hour
air-conditioning)
Recommended replacement cycle of wear-out parts
[The cycle is not the same as the warranty period.]
• Table 2 “Replacement Cycle” Lists
Name of Main Part Inspection Cycle Replacement Cycle*1
Air lter
1 year
5 years
High efciency lter
(Optional accessory) 1 year
Fuse 10 years
Crankcase heater 8 years
Note
This table indicates main parts.
See the maintenance and inspection contract for details.
*1
The replacement cycle durations are for appropriate budgetary replacement planning.
The replacement cycle indicates the recommended length of time before the need for replacement work may arise due to normal wear and tear
for a system under normal use that has undergone recommended inspection and regular replacement.
Contact your local dealer for detailed estimate and inspection/service planning.
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After-Sales Service and Warranty
Moving and discarding the unit
This unit uses chlorouorocarbon.
Contact your local dealer for discarding this unit since it is required by law to collect, transport and discard the refrigerant in accordance with
“chlorouorocarbon collection and destruction” law.
Where to call
For after-sales service, etc., consult with your local dealer.
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3P657315-2D EM22A038 [2212] SP
Daikin Texas Technology Park,
19001 Kermier Road,
Waller, TX, 77484, U.S.A.
00_CV_VRV06_HP_OM.indd 200_CV_VRV06_HP_OM.indd 2 2022/12/14 18:28:512022/12/14 18:28:51