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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４
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.

★★
★★★
★
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)

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◆
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℃．