OPERATION MANUAL
and
System air conditioner
RXQ5P7W1B
RXQ8P7W1B
RXQ10P7W1B
RXQ12P7W1B
RXQ14P7W1BA
RXQ16P7W1BA
RXQ18P7W1BA
RXYQ5P7W1B
RXYQ8P7W1B
RXYQ10P7W1B
RXYQ12P7W1B
RXYQ14P7W1BA
RXYQ16P7W1BA
RXYQ18P7W1BA
RXYQ8P7W1B1
RXYQ10P7W1B1
RXYQ12P7W1B1
RXYQ14P7W1B1A
RXYQ16P7W1B1A
RXYQ18P7W1B1A
RXYSQ4P7V3B
RXYSQ5P7V3B
RXYSQ6P7V3B
RXYSQ4P7Y1B
RXYSQ5P7Y1B
RXYSQ6P7Y1B
1
RXQ
5
RXYSQ RXYQ
5
1
4
1
5
6 44
1
6
5
2
5
4
3
5
4
2
3
1
4.1
2
1
3
2
1
1
2+3
4.1
1
2
2
3
4.2
1
2+3
1
6
12 34
4.2
UNIT NO.
5
1
3+5
2
1
4
5
7
A
8
RXYSQ RXYQ
B
6
4.3
1
2+3
4.3
C
D
7
8
■
■
■
■
■
■
■
■
■
RX(Y)Q5~12P7W1B
RX(Y)Q14~18P7W1BA
RXYQ8~12P7W1B1
RXYQ14~18P7W1B1A
RXYQ8~12P7W1B1
RXYSQ4~6P7V3B
RXYSQ4~6P7Y1B
VRVIII and VRVIII-S system air conditioner
Operation manual
C
ONTENTS
P
age
1. Safety cautions ..........................................................................1
2. Important information regarding the refrigerant used ................2
3. What to do before operation ......................................................2
4. Remote controller.......................................................................2
5. Changeover switch: Name and function of each switch............. 2
6. Operation range.........................................................................3
7. Operation procedure..................................................................3
7.1. Cooling, heating, fan only, and automatic operation ....................3
7.2. Program dry operation .................................................................4
7.3. Adjusting the air flow direction .....................................................4
7.4. Setting the master remote controller............................................4
7.5. Precautions for group control system or two remote controller
control system..............................................................................5
8. Energy saving and optimum operation ......................................5
9. Maintenance ..............................................................................5
9.1. Maintenance after a long stop period........................................... 5
9.2. Maintenance before a long stop period........................................ 5
10. Following symptoms are not air conditioner troubles................. 5
11. Troubleshooting..........................................................................6
12. After-sales service and warranty................................................7
12.1. After-sales service ....................................................................... 7
12.2. Shortening of "maintenance cycle" and "replacement cycle"
needs to be considered in following situations............................. 8
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 the manual,
file it away for future reference.
1. S
AFETY
CAUTIONS
Read the following cautions carefully and use your equipment
properly.
WARNING
Improper handling can lead to such serious consequences
as death, severe injury or damage to the equipment.
NOTE
These instructions will ensure proper use of the
equipment.
Be sure to follow these important safety cautions.
Keep these warning sheets handy so that you can refer to them
if needed.
Also, if this equipment is transferred to a new user, make sure to
hand over this user's manual to the new user.
Warnings
It is not good for your health to expose your body to the air flow
for a long time.
In order to avoid electric shock, fire or injury, or if you detect any
abnormality such as smell of fire, turn off the power supply and
call your dealer for instructions.
Ask your dealer for installation of the air conditioner.
Incomplete installation performed by yourself may result in a
water leakage, electric shock, and fire.
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.
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 fingers, rods or other objects into the air inlet or
outlet. When the fan is rotating at high speed, it will cause injury.
Never let the indoor unit or the remote controller get wet.
It may cause an electric shock or a fire
Never use a flammable spray such as hair spray, lacquer or paint
near the unit.
It may cause a fire.
Never touch the air outlet or the horizontal blades while the
swing flap is in operation.
Fingers may become caught or the unit may break down.
■
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 put any objects into the air inlet or outlet.
Objects touching the fan at high operating speed can be
dangerous.
■
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.
■
Never inspect or service the unit by yourself.
Ask a qualified service person to perform this work.
■
To prevent refrigerant leak, contact your dealer.
When the system is installed and runs in a small room, it is
required to keep the concentration of the refrigerant, if by any
chance coming out, below the limit. Otherwise, oxygen in the
room may be affected, resulting in a serious accident.
■
The refrigerant in the air conditioner is safe and normally does
not leak. If the refrigerant leaks in the room, contact with a fire of
a burner, a heater or a cooker may result in a harmful gas.
Tu rn off any combustible heating devices, ventilate the room,
and contact the dealer where you purchased the unit.
Do not use the air conditioner until a service person confirms
that the portion where the refrigerant leaks is repaired.
■
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 to use only 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.
RX(Y)Q5~18P7W1B(A) + RXYQ8~18P7W1B1(A) + RXYSQ4~6P7V3B +
RXYSQ4~6P7Y1B
VRVIII and VRVIII-S system air conditioner
4PW35770-1B
Operation manual
1
■
■
■
■
■
■
■
■
■
■
■
■
Cautions
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.
In order to avoid injury, do not remove the fan guard of the
outdoor unit.
To avoid oxygen deficiency, ventilate the room sufficiently if
equipment with burner is used together with the air conditioner.
After a long use, check the unit stand and fitting for damage.
If damaged, the unit may fall and result in injury.
Do not place a flammable spray bottle near the air conditioner
and do not use sprays.
Doing so may result in a fire.
Before cleaning, be sure to stop the operation, turn the breaker
off or pull out the supply cord.
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.
Condensation may form if the humidity is above 80%, if the drain
outlet is blocked or the filter is polluted.
Do not place appliances which produce open fire in places
exposed to the air flow from the unit or under the indoor unit. It
may cause incomplete combustion or deformation of the unit
due to the heat.
Do not allow anyone to mount on the outdoor unit or avoid
placing any object on it.
Falling or tumbling may result in injury.
Never expose little children, plants or animals directly to the air
flow.
Adverse influence to little children, 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.
■
In order to avoid electric shock or fire, make sure that an earth
leak detector is installed.
■
Be sure the air conditioner is electrically earthed.
In order to avoid electric shock, make sure that the unit is
grounded and that the earth wire is not connected to gas or
water pipe, lightning conductor or telephone earth wire.
■
Arrange the drain hose to ensure smooth drainage. Incomplete
drainage may cause wetting of the building, furniture etc.
■
Do not let children play on and around the outdoor unit.
If they touch the unit carelessly, it may result in injury.
■
Do not place a flower vase or anything containing water on the
unit.
Water may enter the unit, causing an electric shock or fire.
■
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.
■
Never touch the internal parts of the controller.
Do not remove the front panel. Some parts inside are dangerous
to touch, and a machine trouble may happen. For checking and
adjusting the internal parts, contact your dealer.
■
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.
1
2
❏
❏
■
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 touch the heat exchanger fins.
These fins are sharp and could result in cutting injuries.
■
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.
2. I
This product contains fluorinated greenhouse gases covered by the
Kyoto Protocol.
Refrigerant type: R410A
GWP
(1)
Periodical inspections for refrigerant leaks may be required
depending on European or local legislation. Please contact your local
dealer for more information.
3. W
This operation manual is for the following systems with standard
control. Before initiating operation, contact your dealer for the
operation that corresponds to your system type and mark.
If your installation has a customized control system, ask your dealer
for the operation that corresponds to your system.
Outdoor units (See figure 1)
Names and functions of parts (See figure 1)
(figure 1 shows systems with changeover remote control switches.)
4. R
Refer to the operation manual of the remote controller.
5. C
MPORTANT
THE
REFRIGERANT
(1)
value: 1975
GWP = global warming potential
HAT
Cooling only RXQ series
Heat pumps RXYQ series
Heat pumps RXYSQ series
Outdoor unit
Indoor unit
Remote controller
Inlet air
Outlet air
Cool/heat changeover remote control switch
EMOTE
HANGEOVER
FUNCTION
FAN ONLY/AIR CONDITIONING SELECTOR SWITCH
Set the switch to for fan only operation or to for heating or
cooling operation.
COOL/HEAT CHANGEOVER SWITCH
Set the switch to for cooling or to for heating operation.
INFORMATION
TO
DO
BEFORE
CONTROLLER
SWITCH
OF
EACH
USED
OPERATION
Cool/heat
changeover remote
control switch
yes ❏ no
yes ❏ no
: N
AME
SWITCH
REGARDING
Operation modes
AND
(See figure 2)
1
2
3
4
5
6
Operation manual
2
RX(Y)Q5~18P7W1B(A) + RXYQ8~18P7W1B1(A) + RXYSQ4~6P7V3B +
VRVIII and VRVIII-S system air conditioner
RXYSQ4~6P7Y1B
4PW35770-1B
3
■
■
■
6. O
PERATION
RANGE
Operation range
Use the system in the following temperature and humidity ranges for
safe and effective operation.
RXQ5~18
RXYQ5~18
Outdoor
temperature
Indoor
temperature
Indoor
humidity
7. O
–5~43°C DB –20~21°C DB –5~46°C DB
21~32°C DB 15~27°C DB 21~32°C DB 15~27°C DB
14~25°C WB 14~25°C WB
(*) Range for operation: –20~–15°C WB. Range for continuous operation:
–15~15.5°C WB.
(†) to avoid condensation and water dripping out the unit.
If the temperature or the humidity is beyond these conditions, safety devices may
work and the air conditioner may not operate.
PERATION
RXYQ5~18 RXYSQ4~6
–20~24°C DB
–20~15.5°C WB –20~15.5°C WB
(†)
≤80%
PROCEDURE
≤80%
(†)
(*)
Operation procedure varies according to the combination of
outdoor unit and remote controller. Read "3. What to do before
operation" on page 2.
To protect the unit, turn on the main power switch 6 hours before
operation.
If the main power supply is turned off during operation, operation
will restart automatically after the power turns back on again.
7.1. Cooling, heating, fan only, and automatic
operation
■ Changeover cannot be made with a remote controller whose
display shows (change-over under centralized control).
■ When the display (change-over under centralized control)
flashes, refer to "7.4. Setting the master remote controller" on
page 4.
■ RXQ series let you select fan only and cooling operation.
■ The fan may keep on running for about 1 minute after the
heating operation stops.
■ The air flow rate may adjust itself depending on the room
temperature or the fan may stop immediately. This is not a
malfunction.
(See figure 3 and figure 4.1)
For systems with cool/heat changeover remote control switch
1 Select operation mode with the cool/heat changeover remote
control switch as follows:
Cooling operation (figure 4.1)
Heating operation (figure 4.2)
Fan only operation (figure 4.3)
2 Press the on/off button.
The operation lamp lights up and the system starts operation.
Adjustment
For programming temperature, fan speed and air flow direction, refer
to the operation manual of the remote controller.
Stopping the system
3 Press the on/off button once again.
The operation lamp goes off and the system stops operation.
NOTE
Do not turn off power immediately after the unit stops,
but wait for at least 5 minutes.
Explanation of heating operation
It may take longer to reach the set temperature for general heating
operation than for cooling operation.
The following operation is performed in order to prevent the heating
capacity from dropping or cold air from blowing.
Defrost operation (heat pump and heat recovery types only)
■ In heating operation, freezing of the outdoor unit coil increases.
Heating capability decreases and the system goes into defrost
operation.
■ The indoor unit fan stops and the remote controller displays
.
■ After maximum 10 minutes of defrost operation, the system
returns to heating operation again.
Hot start (heat pump and heat recovery types only)
■ In order to prevent cold air from blowing out of an indoor unit at
the start of heating operation, the indoor fan is automatically
stopped. The display of the remote controller shows .
It may take some time before the fan starts. This is not a
malfunction.
For systems without cool/heat changeover remote control
switch (See figure 3)
1 Press the operation mode selector button several times and
select the operation mode of your choice.
Cooling operation
Heating operation
Fan only operation
2 Press the on/off button.
The operation lamp lights up and the system starts operation.
RX(Y)Q5~18P7W1B(A) + RXYQ8~18P7W1B1(A) + RXYSQ4~6P7V3B +
RXYSQ4~6P7Y1B
VRVIII and VRVIII-S system air conditioner
4PW35770-1B
NOTE
■ The heating capacity drops when the outside
temperature falls. If this happens, use another
heating device together with the unit. (When using
together with appliances that produce open fire,
ventilate the room constantly.)
Do not place appliances that produce open fire in
places exposed to the air flow from the unit or
under the unit.
■ It takes some time to heat up the room from the
time the unit is started since the unit uses a hot-air
circulating system to heat the entire room.
■ If the hot air rises to the ceiling, leaving the area
above the floor cold, we recommend that you use
the circulator (the indoor fan for circulating air).
Contact your dealer for details.
Operation manual
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