Gree KFR-25x2GW/NaJ31F-K User manual

OWNER'S MANUAL
GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI
Linge Wind Dual Split Type Series
Split Air Conditioner Wall Mounted Model
Please read this owner's manual carefully before operating,
and keep it carefully for reference.
OWNER'S MANUAL
KFR-25×2GW/NaJ31F-K
66162181

１
Change batteries for the wireless remote control
The best operating methods
User notices
Care and maintenance
Trouble shooting
Installation dimension diagram
The selection of installation location
Install the indoor unit
CONTENTS
Install the outdoor unit
Test operation and check after installation
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５
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１４
１５
１６
１７
２１
２０
２２
２４
２７
The instrunctions before use
Models and specifications
Names and functions of each part
Name and function-wireless remote control
Thank you for choosing GREE air conditioner, please read this owner's manual
carefully before operating the unit and keep it carefully for consultation.
Operation and maintenance
Installation
and aftersales service

１
★
WARNING
WARNING
(Please read the following carefully before operating the unit)
Don't insert your hands or
stick into the air intake
or outlet vents.
It can cause danger.
Danger
Don't apply the cold wind to
the body for a long time.
It cause the physical condition
deferioration and health
problems.
Earth: It must be reli-
ably earthed. The earth
wire must be connected to
the special grounding devices.
Can't be connected to the water
pipe, gas pipe, sewage drain or
the places where are not reliable
earthed.
Cut off
the power
When having a burning sm-
ell or smoke, please turn off
the power supply and contact
with the service center.
If abnormity still exists, the
air conditioner could be dam-
aged, or may cause electric
shock or fire.
Don't attempt to repair
the air conditioner by your-
self.
The improper maintenance
will cause electric shock or
fire, should contact with the
service center.
Never damage the wires
or use the inapplicable wires.
Otherwise, it may cause elec-
tric shock or fire.

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★★★
★
2
Don't use fuse excludin g
the fuse of correct capacity.
Improper wire could cause the
break down or fire.
wire
Don't place a space heater
near the air conditioner.
Keep chemical spray
away from the outdoor un-
it for more than 1 meter.
It is likely to ignite and ex-
plore.
GAS
Please note whether the
installed stand is firm eno-
ugh or not.
It leads to the falling of the
unit which cause the injury.
Don't put something
or stop on the top of the
outdoor unit.
As falling off from the out-
door unit can be injured.
Don't block the air intake
or outlet vents of both the
outdoor and indoor units.
It can decrease the air con-
ditioning capacity or cause
a malfunction.
Airflow from the air condi-
tioner can cause incomp-
lete combustion to the sp-
ace heater and may cause
intoxication of carbon mo-
noxide.

３
＊
＊
Models and specifications
The above parameters are tested according to GB/T7725-2004 Standard.
Moreover, the cooling capacity, heating capacity, noise index are tested
before leaving factory;
If there is any change, please see the nameplate for actual data.
R410A
1.6
38/56
T1
IP24
I
8.5/58
95×70×42
77×25×18
KFR-25X2GW/NaJ31F-K
5.00
5.80
220-240V~50Hz
7.2/7.8
1.55/1.60
2.45/2.30
Working temperature range
Maximum cooling
Minimum cooling
Maximum heating
Minimum heating
Indoor side DB/WB( )
32/23
21/15
27/-
20/-
Outdoor side DB/WB( )
43/26(T1)
18/-
24/18
-7/-8
Model
Cooling capacity(kW)
Heating capacity(kW)
Rated power supply
Cooling/heating rated current (A)
Cooling/heating Power Input (kW)
Cooling/heating Rated Input (kW)
Refrigerant
Refrigerant and charge (kg)
Noise (Indoor/ outdoor)dB(A)
Climate Type
Waterproof level
Isolation
Weight(kg) (Indoor/outdoor)
Outdoor unit boundary dimensions
( WxHxD) (cm)
Indoor unit boundary dimensions
(WxHxD) (cm)

４
◆
Names and functions of each part
Air in
Front panel Displayer
Wrapping tape
Guide louver
Air out
Air in Displayer
Front panel
Indoor unit
Guide louver
Air out
Wireless remote control
Air in
Air in
Air outlet grill
Air out
Outdoor unit
Drainage hose
Connection pipe and
connection wire
Zoom in the display
Heating Cooling
Set Temp.

SWING button:
At operating, when it is pressed,
the louvers start to rotate
automatically and stop when
repressed again. When press it
twice in one second, the light on
the panel of indoor unit will be
turned on. When press it twice
in one second again, the light
will be turned off.
FAN button:
At AUTO, COOL, FAN and HEAT
mode press this button to change the
fan speed of:
TEMP. button:
SET TEMP. increases 1. by
pressing button TEMP-UP once,
and decreases 1. by pressing
button TEMP-DN once.
At COOL, DRY, FAN and
MODE button:
Press this button to change the
operation mode in order of:
AUTO mode COOL mode DRY
mode FAN mode HEAT mode.
ON/OFF button:
Press this button once to turn on and
repress to turn off the unit.
AUTO FAN
COOL mode
DRY mode
FAN mode
HEAT mode
Memory function of fan speed is
available under every mode.
- 5-
Wireless remote control operation procedure
Name and Function-Wireless remote control
Note:
l Besurethat thereisno obstruction.
l Don’t drop or throw the remote control.
l Don’t place the remote control in a location exposed to direct sunlight.
l Whentheunitisrestartedafterstopped,itcan automatically
resume its most latest running mode, and the outdoor unit starts
a littlebitlater.
HEAT mode SET TEMP. can
be selected from16.to 30..

- 6 -
T-ON button:
At stopping, press T-ON button.
Set ON TIME to start the unit
automatically. When press T-ON
button, the sign of TIMR ON will
blink.
T-OFF button:
At operating, press T-OFF button.
Set OFF TIME to stop the unit
automatically. When press
T-OFF button, the sign of
TIME OFF will blink.
Liquid crystal displayer
It shows all set contents.
SLEEP button:
Press this button to set SLEEP
operation.
CLOCK button:
Press CLOCK button once, the sign
of TIME blinks, and it comes into
time setting mode. Then press button
H-UP or H-DN once, the SET TIME
will be increased or decreased by 1
minute accordingly. If press button
H-UP or H-DN for 1 second or more,
the SET TIME will be increased or
decreased by 10 minute every half
a second accordingly. When
adjustment finished, press button
CLOCK again to confirm.
CANCEL button:
Press CANCEL button once, it will
cancel all the timing settings.
RESET button:
Press RESET button once, the
control system comes into default
settings.
Press this button to set time.
TIMER button:
Name and Function-Wireless remote control (Continue)
Note:
l This typeof remotecontrol is a kindof newcurrent. Some
of the control which have extra function will be
described below.

1.Plug in, press ON/OFF button,
and then air conditioner is turned
3.Press SWING button, the
louvers start to rotate
automatically and stop when
repressed.
4.Press FAN button, set fan speed.
5.Press TEMP. button, set
suitable SET TEMP.
2.Press MODE button, set
operation mode.
- 7-
on.
COOL mode operation procedure
 According to the differences between room temp. and set temp. and
the rate dropping of room temp., microcomputer can control output power
 If room temp. is higher than set temp., the compressor starts running. If
room temp. is lower than set temp. but higher than the value which set
temp. subtracted 2℃thecompressor keeps in fuzzy operation between
maximum power and minimum power according to the difference in
temperature. If room temp. is 2℃lower than set temp., compressor will
 If fan speed is set at AUTO mode microcomputer can control fan speed
of the indoor fan
 Set temp. should
stop cooling, and outdoor fan motor will stop after 30 seconds, indoor fan
motor will keep running at the set speed.
of the compressor, that is, the cooling capacity. running at the set speed.
motor according to the
output power of the compressor.
be in range of 16
℃to 30℃.

1.Plug in, press ON/OFF button,
and then air conditioner is turned
3.Press SWING button, the
louvers start to rotate
automatically and stop when
repressed.
4.Press FAN button, set fan speed.
5.Press TEMP. button, set
suitable SET TEMP.
2.Press MODE button, set
operation mode.
- 8-
on.
HEAT mode operation procedure
 According to the differences between room temp. and set temp. and
the rising rate of room temp. microcomputer can control output power
 If room temp. is lower than set temp. adds 2℃，the compressor starts.
If the value of room temp. subtracted set temp. is smaller than 5℃but
greater than 2℃， thecompressor keeps in fuzzy operation between
maximum power and minimum power according to the difference in
temperature. If room temp. is 5℃higher than set temp., compressor will
 If fan speed is set at AUTO mode microcomputer can control fan speed
of the indoor fan
 Set temp. should
stop, outdoor fan motor will stop after30 seconds, indoor fan motor will
stop after 60 seconds.
of the compressor, that is, the heating capacity.
motor according to the
output power of the compressor.
be in range of 16
℃to 30℃．

1.Plug in, press ON/OFF button,
and then air conditioner is turned
3.Press SWING button, the
louvers start to rotate
automatically and stop when
repressed.
4.Press FAN button, set fan speed.
5.Press TEMP. button, set
suitable SET TEMP.
2.Press MODE button, set
operation mode.
- 9-
on.
DRY mode operation procedure
 If room temp. is higher than set temp, compressor operates at a fixed
frequency and indoor fan motor runs at low speed. If room temp.
delays 30 seconds to stop, indoor fan motor runs at low speed.
is 2℃ lower than set temp, compressor stops and outdoor fan motor
 Set temp. should be in range of 16℃to 30℃．

- 10 -
AUTO mode operation procedure
 At AUTO mode operation, standard SET TEMP. is 25℃for COOL
mode and 20℃for HEAT mode.
1.Plug in, press ON/OFF button,
and then air conditioner is turned
on.
2.According to room temp.
microcomputer can
automatically set
COOL
HEAT
FAN
operation mode, so as for best
effect.

- 11 -
TIMER mode operation procedure
 At stopping, press TIMER ON button, set ON TIME in range of 0 to 24
hour to start the unit automatically.
T-OFF button:
At operating, press T-OFF
button. Set OFF TIME to stop the
unit automatically. When press
T-OFF button, the sign of TIME
OFF will blink.
It is in effect both at operating
and stopping. SET TIME
increases 1 minute by pressing
button H-UP once, and
decreases 1 minute by pressing
button H-DN once in range of 0
to 12 hour. When pressing button
H-UP or H-DN for 1 second or
more, the SET TIME will increase
or decrease by 10 minute every
half a second accordingly.
T-ON button:
At stopping, press T-ON button.
Set ON TIME to start the unit
automatically. When press T-ON
button, the sign of TIME ON will
blink.
SET TIME increases 1 minute by
pressing button H-UP once, and
decreases 1 minute by pressing
button H-DN once in range of 0 to
12 hour. When pressing button
H-UP or H-DN for 1 second or
more, the SET TIME will increase
or decrease by 10 minute every
half second accordingly.
 At operating, press TIMER OFF button,set OFF TIME in range of 0
to 24 hour to stop the unit automatically.

- 12 -
SLEEP mode operation procedure
 When the unit is cooling or drying, if SLEEP operation is set, SET TEMP.
would increase 1℃in1 hour and 2℃in 2 hours.
4.Press FAN button, set fan
speed.
2.Press MODE button, set
COOL DRY or HEAT
operation mode.
6.SLEEP button Press it
to set SLEEPoperation.
3.Press SWING button, the
louversstart to rotate
automatically, andstop when
repress again.
1.Plug in, press ON/OFF
button, and then air conditioner
is turned on.
5.Press TEMP. button,
set suitable SET TEMP.
 When the unit is heating, if SLEEP operation is set, SET TEMP. would
decrease 1℃in1 hour and 2℃in 2 hours.
 Under SWITCH C mode, press H-UP or H-DN button when SLEEP
mode is started, timer-off time can be adjusted from 1 to 7 hour.

- 13 -
1.Remove the cover.
3.Re-attach the cover.
2.Insert the AAA batteries.
SWITCH
You should set the SWITCH B
mode.
How to insert batteries
Note:
l Don't confuse the new and worn or different batteries.
l Remove batteries when not in use for a long time.
l The batteries can be used for about one year.
l The remote control should be 1m or more away from television
or audio device.
1.Remove the cover from the back of the wireless remote control.
2.Insert the two batteries (Two AAA dry-cell batteries).
3.Re-attach the cover.

１４
The best operating methods
It aims at saving the energy and operating the unit conveniently and safely.
Clean the air filter
seriously and
carefully .
maintaining it
Earth wire
Earth wire must be connected to the special device of the building. If haven't
please ask the professional to install. There must be electricity leakage pro-
tection switch of enough power capacity and air switch with enough space.
(25A), earth wire cannot be connected to gas pipe, water pipe, or wires of
the lightning rod and telephone.
Adjust to
the suitable
temperature. Too
cool will do harmto
the health.
Please take
out the batteries from
the wireless remote
control, when it is
not in use.
Avoid directly
lighting and cool
air leaking.

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●
●
℃.
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１５
Select the most appropriate temperature.
It can preclude the electricity wasted.
Keep room coo-
ler than outside
about 5
User notices
The airflow direction can be adjusted app-
ropriately.
At operating, adjust the vertical airflow direction
by adjusting the louvers of upward/downward dire-
ction. And then, hold two ends of left and right louvers
to adjust the horizontal airflow.
Louver of left/right di-
rection
Louver of upward/
downward direction
Don't leave windows and doors
open for a long time while operating the
air conditioner.
It can decrease the air conditioning capacity.
Don't blow the wind to animals and
plants directly. It can cause a bad influ-
ence to them.
Splashing water on the air conditioner
can cause an electric shock and malfu-
nction.
The power cords of this air conditioner
is adopting Y-type connection. Please don't
damage the power cord. If it's damaged, please
ask the qualified personnel to change it.
Air conditioner could be operated
with the voltage fluctuation 230±10%.
Otherwise, compressor would vibrate
terribly to damage refrigeration system.
Don't use the air conditioner for other
purposes, such as drying clothes, pres-
erving foods, etc.

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▲
▲
▲
1.
2．
3.
(a) (b)
(b)
(a)
1.
１６
Care and Maintenance
CAUTION
Turn power off and pull out the power plug before cleaning air condi-
tioner. Otherwise, it can cause electric shock.
Never sprinkle water on the indoor unit and the outdoor unit for
cleaning because it can cause an electric shock.
Volatile liquid(e.g. thinner or gasoline) will damage the air conditioner.
(So wipe the units with a dry soft cloth, or a cloth slightly moistened
with water or cleanser.)
Clean the front panel (When cleaning, please take it off)
Axis
Pull along the direction of arrow to take
down surface panel.
Washing
Wipe with a soft hair brush slightly moistened
with water or cleaner then dry it in the shade.
Note: Never use water above to wash
the panel, or it could cause deformation or
discoloration.
Install surface panel
Install the supports into the supporting slots,
and insert the axis into the slot, according to
the arrow direction, to cover the surface panel
and clasp it.
Cleaning the air filters(Recommended once every three months)
If dust is much more around the air conditioner, the air filters should be
cleaned many times.
Take down the air filter
At the slot of surface panel to open an
angle, pull the air filter downward and
take it out, please see the right figure.
45℃

2.
3．
1.
2.
3.
4.
1.
2.
3.
4.
◆
１７
Phenomenon Trouble Shooting
The unit can not operte immediately
when the air conditioner is restarted.
Waiting
Once the air conditioner is stopped,
it will not operate in approximately
3 minutes to protect itself.
Trouble shooting
Warning: Don't attempt to repair the air conditioner by yourself, it can
cause an electric shock or fire. Please check the following items before
asking for repair, it can save your time and money.
Maintain after use
Clean filters and other parts.
Turn main power off.
Clear dust from the outdoor unit.
Repaint the rubiginous place on the
outdoor unit to prevent it from spread-
ing.
Check before use
Be sure that nothing obstructs the air outlet
and intake vents.
Check that whether ground wire is properly
connected or not.
Cleaning
To clean the dust adhering to the filters, you
can either use a vacuum cleaner, or wash them
with warm water(the water with the neutral de-
tergent should below 45℃) when the filters are
very dirty (such as oil stain), and dry it in the
shade, please see the right fig. NOTE: Never
use water above 45℃to wash, or it can cause de-
formation or discoloration. Never partch it by fire, or
can cause a fire or deformation.
Reinsert the filters
Reinsert the filters,put the surface of marked
arrow forward, then cover the surface pan-
el and clasp it.
Check that whether the batteries of wireless
remote control are changed or not.
Check that whether the installation stand
of the outdoor unit is damaged or not. If
damaged, please contact the dealer.

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１８
Phenomenon Trouble Shooting
There's unusual smell blowing from the
outlet after operation is started.
This is caused by the odors in the
room which have been breathed
into the air conditioner.
Sound of water flow can be heard
during operation.
This is caused by the refrigerant
flowing inside the unit.
Mist is emitted during cooling oper-
ation.
Because the air of the room is cooled
down rapidly by the cold wind and it
looks like the fog.
Creaking noise can be heard when
start or stop the unit.
This is caused by the deformation of
plastic due to the change of tempera-
ture.
Air conditioner does not operate at
all.
Trip off
Has the power been shut down?
Is the wiring loose?
Is the leakage protection switch in
operation?
Is voltage higher or lower?
Is TIMER ON in operation?
Cooling (Heating) efficiency is not
good.
Is SET TEMP. suitable?
Is air inlet or outlet obstructed?
Are air filters dirty?
Are the windows and door closed?
Is indoor fan speed set at low
speed?
Is there any other heat source in your
room?
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