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Daikin REYQ240PYDN [16/20] 10 the units can give off odours
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13 English
9-4
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.
9-5 THE FAN STRENGTH DOES NOT COR-
RESPOND TO THE SETTING
• The fan speed does not change even if the fan
speed control button is pressed.
During heating operation, when the room temper-
ature reaches the set temperature, the outside
unit goes off and the indoor unit changes to whis-
per the fan speed.
This is to prevent cold air blowing directly on occu-
pants of the room.
The fan speed will not change even if the button is
pressed, when another indoor unit is in heating
operation.
9-6 THE FAN DIRECTION DOES NOT COR-
RESPOND 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. Refer to “Adjusting the air flow
direction”.
9-7 WHITE MIST COMES OUT OF THE UNIT
Indoor unit
•
When humidity is high during cooling operation.
If the interior of indoor unit is extremely contami-
nated, the temperature distribution inside a room
becomes uneven. It is necessary to clean the inte-
rior of the indoor unit. Ask your Daikin dealer for
details on cleaning the unit. This operation
requires a qualified service person.
• Immediately after the cooling operation stops
and if the room temperature and humidity are
low.
This is because warm refrigerant gas flows back
into the indoor unit and generates steam.
Outside unit
• When the system is changed over to heating
operation after defrost operation.
Moisture generated by defrost becomes steam
and is exhausted.
9-8 NOISE OF AIR CONDITIONERS
Indoor unit
• A “zeen” 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 vol-
ume will reduce in about 1 minute.
• A continuous low “shah” sound 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 “pishi-pishi” 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 “sah”, “choro-choro” sound 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 refriger-
ant from remaining in the system, a small amount
of refrigerant is kept flowing.
Outside unit
• When the tone of operating noise changes.
This noise is caused by the change of frequency.
Indoor unit, outside unit
• A continuous low hissing sound is heard when
the system is in cooling or defrost operation.
This is the sound of refrigerant gas flowing
through both indoor and outside 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 flow stop
or flow change.
9-9 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.
9-10 THE UNITS CAN GIVE OFF ODOURS
• During operation.
The unit can absorb the smell of rooms, furniture,
cigarettes, etc., and then emit it again.
9-11 THE OUTSIDE UNIT FAN DOES NOT
ROTATE
• During operation.
The speed of the fan is controlled in order to opti-
mize product operation.
01_EN_3P215731-1D.fm Page 13 Tuesday, February 5, 2008 6:35 PM
Содержание
- Operation manual 1
- System air conditioner 1
- 1 13 2 3
- _cv_3p215731 1d fm page 3 wednesday february 6 2008 11 34 am 3
- Contents 4
- Safety considerations 4
- Electrical work 6
- Pay attention to operating sound 6
- Place of installation 6
- Design pressure 7
- Dimensions h w d 7
- Drainage through drainpipe 7
- English 4 7
- Make sure that the drainpipe is installed prop erly to drain water if no water is discharged from the drainpipe while the air conditioner is cooling operation the drain pipe may be clogged with dust or dirt and water leakage from the indoor units may result stop operating the air conditioner and consult your dealer 7
- Model name 7
- Nominal cooling capacit 7
- Nominal heating capacit 7
- Power supply 7
- Refrigerant 7
- Specifications 7
- English 8
- If your installation has a customized control system ask your daikin dealer for the operation that corre sponds to your system outside units refer to figure 1 8
- Names and functions of parts refer to figure 1 1 outside unit 2 indoor unit 3 remote controller 4 inlet air 5 outlet air 6 bs unit 7 cool heat selector 8 refrigerant piping figure 1 shows system with cool heat selector 8
- On off button press the button and the system will start press the button again and the system will stop 8
- Operation lamp red the lamp lights up during operation 8
- Remote controller and cool heat selector name and function of each switch and display 8
- Remote controller and cool heat selector name and function of each switch and display refer to figure 2 and 3 8
- This operation manual is for the following system with standard control before initiating operation contact your daikin dealer for the operation that cor responds to your system type and mark 8
- What to do before operation 8
- 1 cooling heating automatic and fan only operation 10
- Operation procedure 10
- Operation range 10
- 2 program dry operation 11
- 3 adjusting the air flow direc tion refer to figure 6 only for dou ble flow multi flow corner ceiling suspended and wall mounted 12
- 4 programming start and stop of the system with timer refer to figure 9 13
- 5 setting the master remote con troller 13
- 6 precautions for group con trol system or two remote controller control system 14
- Optimum operation 14
- 1 at the beginning of the season 15
- 1 the system does not operate 15
- 2 at the end of the season 15
- 2 it stops sometimes 15
- 3 cool heat cannot be changed over 15
- Following symptoms are not air conditioner troubles 15
- Seasonal maintenance 15
- 10 the units can give off odours 16
- 11 the outside unit fan does not rotate 16
- 5 the fan strength does not cor respond to the setting 16
- 6 the fan direction does not cor respond to the setting 16
- 7 white mist comes out of the unit 16
- 8 noise of air conditioners 16
- 9 dust comes out of the unit 16
- Cooling and heating do not work 16
- Fan operation is possible but 16
- 12 the display shows 17
- 13 the compressor or fan in the outside unit does not stop 17
- 14 the inside of outside unit is warm even when the unit has stopped 17
- 15 hot air is emitted even though the unit is stopped 17
- 16 does not cool very well 17
- Trouble shooting 17
- After sales service and warranty 18
- P215731 1d em07a037a 20
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