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Split Air Conditioner
Owner's Manual
Residential Air Conditioners
Thank you for choosing Residential Air Conditioners,please read this owner’s
manual carefully before operation and retain it for future reference.
GWH07NA-K3NNB2A
GWH18ND-K3NNB2A
GWH07NA-K3NNB1A
GWH09NA-K3NNB2A
GWH24ND-K3NNB2A
GWH09NA-K3NNB1A
GWH24ND-K3NNB1A
GWC07NA-K3NNB1A
GWC07NA-K3NNB2A
GWH12NB-K3NNB1A
GWH18ND-K3NNB1A
GWH12NB-K3NNB2A
GWH24ND-K3NNB3A
GWH12NB-K3NNB3A
GWH09NA-K3NNB3A
GWH18ND-K3NNB3A
GWH12NB-K3NNB4A
GWH24ND-K3NNB4A
GWH07NA-K3NNB4A
GWC12MB-K3NNC1A
GWC18ND-K3NNB1B
GWC18ND-K3NNB2B
GWC18ND-K3NNB3B
GWC18ND-K3NNB4B
GWH09NA-K3NNB4A
GWH18ND-K3NNB4A
GWC24ND-K3NNB3B
GWH07NA-K3NNB3A
GWH09NA-K3NNB3B GWC09NA-K3NNB3C
GWC09NA-K3NNB3B
GWC12NB-K3NNB3B
GWC15NC-E1NNB3A
GWC09NA-K3NNB1B
GWC12NB-K3NNB1B
GWC09NA-K3NNB2B GWC12NB-K3NNB2B
GWC24ND-K3NNB1B
GWC24ND-K3NNB2B
GWC18ND-K3NNB1C
GWH24ND-K3NNB5A
GWH24ND-K3NNB6A
GWH24ND-K3NNB7A
GWH12NB-K3NND2A
GWH24ND-K3NNB8A
GWH09NA-K3NNA2A
GWH12NB-K3NNA2A
GWH07NA-K3NNA2A
GWH24ND-K3NNA1A
GWH24ND-K3NNA2A
GWH12NB-K3NNA3A
GWH18ND-K3NNA3A
GWH07NA-K3NNA3A
GWH09NA-K3NNA3A
GWH07NA-K3NNA4A GWH09NA-K3NNA4A
GWH18ND-K3NNA4AGWH12NB-K3NNA4A
GWH24ND-K3NNA3A
GWH24ND-K3NNA4A
GWC18ND-K3NNA3B
GWC18ND-K3NNA4B
GWC09NA-K3NNA2B
GWC12NB-K3NNA2B
GWC09NA-K3NNA3B
GWC12NB-K3NNA3B
GWC24ND-K3NNA3B
GWC24ND-K3NNA2B
GWC18ND-K3NNA2B
GWH24ND-K3NNA5A
GWH24ND-K3NNA7A
GWH24ND-K3NNA8A
GWH07NA-K3NNA5A GWH09NA-K3NNA5A
GWH12NB-K3NNA5A GWH18ND-K3NNA5A
GWH18ND-K3NNA8A
GWH12NB-K3NNA8A
GWH09NA-K3NNA8AGWH07NA-K3NNA8A
GWC18ND-K3NNA5B
GWC18ND-K3NNA8B
GWC09NA-K3NNB2C
GWC09NA-K3NNA8C
GWC09NA-K3NNA8B
GWC12NB-K3NNA8B
GWC24ND-K3NNA8B
GWC09NA-K3NNA5B
CONTENTS
This symbol stands for the items
should be forbidden.
This symbol stands for the items
should be followed
............................................................ 1
............................................................... 15
............................................. 20
.............................................................. 21
.............................. 25
.......................... 26
........................................................ 18
................................................................. 13
Operation and maintenance
Notices for operation
Notices for use
................................................................... 3
Names and functions of each part
.......................................... 8
Operation of wireless remote control
....................................... 9
Emergency Operation
......................................................... 12
Clean and care
Troubleshooting
Installation service
Notices for installation
Installation dimension diagram
Install indoor unit
Install outdoor unit
Check after installation and test operation
Installation and Maintenance of Healthy Filter
Configuration of connection pipe and additional volume of refrigerant............
Do not dispose this product as unsorted municipal waste.
Collection of such waste separately for special treatment
is necessary.
The products in this manual may be different with the real one, according to different
models, some models have displayer and some models without displayer, the position
and shape of the displayer please refer to the real one.
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.
Specificate Model and Technical Data
..................................... 5
............................................................. 24
27
Operation and maintenance-notices for operation
1
Be sure to pull out the power plug
Earth: The ground be
connected!
If not, please ask the qualified person-
nel to install. Furthermore, don't conn-
ect each wire to the gas pipe, water
pipe, drainage pipe or any other impr-
oper places.
when not using the air conditioner
for a long time.
Otherwise, the accumulated dust
may cause fire or electric shock.
Select the most appropriate temper-
ature.
Keep room cool-
er than outside
about 5 degree.
It can preclude the electricity wasted.
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 block the air intake or outlet
vents of both the outdoor and indoor
units.
It can decrease the air conditioning
capacity or cause a malfunction.
Keep combustible spray away
from the units more than 1m.
It can cause a fire or explosion.
If it is damaged, it may lead to
the fall of the unit and cause
the injury.
Please note whether the installed
stand is firm enough or not.
Don't step on the top of the
outdoor unit or place something
on it.
As falling off the outdoor unit
can be dangerous.
Don't attempt to repair
the air conditioner by yourself.
The wrong repair will lead to
an electric shock or fire, so
you should contact the service
center to repair.
2
Notices for operation
If the supply cord is damaged, it must be replaced
by the manufacturer or its service agent or a
similarly qualified person in order to avoid a
hazard.
The airflow direction can be adjusted appro-
priately. At operating, adjust the vertical airflow
direction by adjusting the louvers of upward/do-
wnward direction. And then, hold two ends of
left and right louver to adjust the horizontal air-
flow.
Louver of left/right direction Louver of upward/
downward direction.
Don't insert your hands or stick into the air
intake or outlet vents.
Otherwise it will cause accident.
Don't blow the wind to animals and plants
directly. It can cause a bad influence to them.
Don't apply the cold wind to the body for a
long time.
It can cause the health problems.
Don't use the air conditioner for other purposes,
such as drying clothes, preserving foods, etc.
Splashing water on the air conditioner can
cause an electric shock and malfunction.
Don't place a space heater near the air
conditioner.
Or CO toxicosis may occur for imcomplete
burning.
Anti-cool wind function:
In "Heat" mode, under the following three kinds of state, if indoor heat exchanger doesn't
arrive at certain temp., indoor fan will not act, in order to prevent cool wind blowing(within
2 mins):
1. Heating starts.
2. After Auto Defrost finished.
3. Heating under the low temperature.
*
*
*
*
*
*
Notices for use
Working principle and special functions for cooling
Principle:
Anti-freezing function:
Working principle and special functions for heating
Principle:
Defrosting:
Air conditioner absorbs heat in the room and transmit to outdoor and discharged, so that
indoor ambient temperature decreased, its cooling capacity will increase or decrease by
outdoor ambient temperature.
If the unit is running in COOL mode and in low te
mperature, there will be frost formed on
the heat exchanger, when indoor heat exchanger temperature decreased below 0 , the
indoor unit microcomputer will stop compressor running and protect the unit.
Air conditioner absorbs heat from outdoor and transmits to indoor, in this way to increase
room temperature. This is the heat pump heating principle, its heating capacity will be
reduced due to outdoor temperature decrease.
If outdoor temperature becomes very low, please operate with other heating equipments.
When outdoor temperature is low but high humidity, after a long while running, frost will
form on outdoor unit, that will effect the heating effect, at this time, the auto defrosting
function will act, the heat running will stop for 8-10mins.
During the auto defrosting, the fan motors of indoor unit and outdoor unit will stop.
During the defrosting, the indoor indicator flashes, the outdoor unit may emit
vapor.
This is due to the defrosting, it isn't malfunction.
After defrosting finished,the heating will recover automatically.
3
4
Notices for use
Working temperature range
Maximum cooling
Maximum heating
Indoor sideDB/WB(
o
C)
Outdoor sideDB/WB(
o
C)
32/23
43/26
.
Gentle Breeze
In the following situation, the indoor unit may blow gentle breeze, and
the guide louver rotate to a certain position:
1. In “Heat” mode, the unit turned on, the compressor doesn’t arrive the starting condition
2. In “Heat” mode, the temperature arrive at the setting value and the compressor stop
running about 1min.
27/---
24/18
The operating temperature range (outdoor temperature) for cooling only unit is 18~ 43
for heat pump unit is -7~ 43.
;
5
Specificate Model and Technical Data
Model
Function
Rated voltage(V)
Rated frequency
Rated power input(W)
Refrigerant volume(kg)
(Indoor/outdoor) outline
dimension(W X H X D)mm
Cooling power(W)
778
220-240V
50Hz
1100
Indoor unit:
730X255X174
Outdoor unit:
776X540X320
0.64kg
R410A
GWC07NA-K3NNB1A
GWC07NA-K3NNB2A
GWC09NA-K3NNB3B GWC09NA-K3NNB3C
GWC09NA-K3NNA8C
GWC12MB-K3NNC1A GWC12NB-K3NNB3B
Cooling Cooling Cooling Cooling Cooling
700
1000
Indoor unit:
730X255X174
Outdoor unit:
720X428X310
0.62kg
R410A
821
1000
Indoor unit
730X255X174
Outdoor unit:
776X540X320
0.75kg
R410A R410A R410A
1075
1500
Indoor unit
790X265X175
Outdoor unit:
848X540X320
1.04kg
1004
1450
Indoor unit:
790X265X177
Outdoor unit:
776X540X320
0.90kg
GWC09NA-K3NNB1B
GWC09NA-K3NNB2B
GWC09NA-K3NNA3B
GWC09NA-K3NNA2B
GWC09NA-K3NNA8B
GWC12NB-K3NNB1B
GWC12NB-K3NNB2B
GWC12NB-K3NNA3B
GWC12NB-K3NNA2B
GWC12NB-K3NNA8B
GWC09NA-K3NNB2C
GWC09NA-K3NNA5B
6
Specificate Model and Technical Data
Model
Function
Rated voltage(V)
Rated frequency
Rated power input(W)
Refrigerant volume(kg)
(Indoor/outdoor) outline
dimension(W X H X D)mm
Cooling
power(W)
220-240V
50Hz
GWC24ND-K3NNB3B
Cooling
Cooling
R410A
R410A
1460
1980
Indoor unit:
940X298X200
Outdoor unit:
848X540X320
1kg
1900
2600
Indoor unit:
940X298X200
Outdoor unit:
913X680X378
1.3kg
GWC18ND-K3NNB1B
GWC18ND-K3NNB2B
GWC18ND-K3NNA2B
GWC18ND-K3NNA3B
GWC18ND-K3NNA8B
GWC24ND-K3NNB2B
GWC24ND-K3NNA3B
GWC24ND-K3NNA2B
GWC24ND-K3NNA8B
GWC24ND-K3NNB1B
GWC18ND-K3NNB3B
GWC18ND-K3NNB4B
GWC18ND-K3NNA4B
GWC18ND-K3NNA5B
Cooling
1495
2040
0.8Kg
Indoor unit:
940X298X200
Outdoor unit:
848X540X320
R410A
GWC18ND-K3NNB1C
7
Specificate Model and Technical Data
Model
GWH07NA-K3NNB1A
GWH07NA-K3NNB2A
GWH07NA-K3NNA3A
GWH07NA-K3NNA5A
GWH07NA-K3NNA4A
GWH07NA-K3NNB4A
GWH07NA-K3NNA2A
GWH07NA-K3NNB3A
GWH07NA-K3NNA
GWH09NA-K3NNB3B
8A
GWH09NA-K3NNA4A
GWH09NA-K3NNB4A
GWH09NA-K3NNA2A
GWH09NA-K3NNA8A
GWH09NA-K3NNB3A
Cooling and Heating
Cooling and Heating
Function
Rated voltage(V)
Rated frequency
Rated power input(W)
Refrigerant volume(kg)
(Indoor/outdoor) outline
dimension(W X H X D)mm
Cooling / heating
power(W)
778/734
685/659
220-240V
50Hz
1100/1120
1000/1060
Indoor unit:
730X255X174
Outdoor unit:
776X540X320
0.85kg
R410A
Indoor uni
t:
730X255X174
Outdoor unit:
720X430X310
0.76kg
R410A
GWH09NA-K3NNB1A
GWH09NA-K3NNB2A
GWH09NA-K3NNA3A
GWH09NA-K3NNA5A
Cooling and Heating
821/779
1000/1120
Indoor unit:
730X255X174
Outdoor unit:
776X540X320
0.76kg
R410A R410A R410A R410A
GWH12NB-K3NNB1A
GWH12NB-K3NNB2A
GWH12NB-K3NNB3A
GWH12NB-K3NNA3A
GWH12NB-K3NNA5A
GWH12NB-K3NNA4A
GWH12NB-K3NNA2A
GWH12NB-K3NNA8A
GWH12NB-K3NND2A
GWH18ND-K3NNB1A
GWH18ND-K3NNB2A
GWH18ND-K3NNB3A
GWH18ND-K3NNA3A
GWH18ND-K3NNA5A
GWH18ND-K3NNB4A
GWH18ND-K3NNA2A
GWH18ND-K3NNA8A
GWH18ND-K3NNA4A
Cooling and Heating
1004/973
1450/1400
Indoor unit:
790X265X175
Outdoor unit:
776X540X320
0.84kg
Cooling and Heating
1460/1430
1980/1980
Indoor unit:
940X298X200
Outdoor unit:
848X540X320
1.15kg
GWH24ND-K3NNB1A
GWH24ND-K3NNB2A
GWH24ND-K3NNB3A
GWH24ND-K3NNB4A
GWH24ND-K3NNB5A
GWH24ND-K3NNB6A
GWH24ND-K3NNB7A
GWH24ND-K3NNB8A
GWH24ND-K3NNA1A
GWH24ND-K3NNA2A
GWH24ND-K3NNA3A
GWH24ND-K3NNA4A
GWH24ND-K3NNA5A
GWH24ND-K3NNA7A
GWH24ND-K3NNA8A
Cooling and Heating
1900/1900
2600/2700
Indoor unit:
940X298X200
Outdoor unit:
913X680X378
1.45kg
GWH12NB-K3NNB4A
Names and functions of each part
Indoor unit
Air in
Air out
Outdoor unit
Wireless
remote control
Air in
Air out
Power cable
Cool
Dry
Heat
Set temp.
Run
The pattern in displayer
Remote control
Front panel
Filter
Guide louver
Wall pipe
Bind tape
Connection wire
Drainage pipe
8
Operation of wireless remote control
9
Press it to start or stop operation.
ON/OFF
MODE
-
+
Press it to select operation mode
(AUTO/COOL/DRY/FAN/HEAT).
: Press it to decrease temperature
setting.
: Press it to increase temperature
setting.
FAN
Press it to set swing angle.
TIMER (page 11)
SLEEP( page 10)
Press it to set fan speed.
Press it to set auto-on/auto-off timer.
1
2
3
4
5
6
8
7
2
7
4
3
8
6
5
1
SWING
Remote Controller Description
Operation of wireless remote control
10
Remote controller description
Press this button to turn on the unit. Press this button again to turn off the unit.
Press this button to go into the SLEEP operation mode. Press it again to cancel this function.
This function is available in COOL, HEAT (Only for models with heating function) or DRY
mode to maintain the most comfortable temperature for you.
ON/OFF :
MODE :
Press this button to decrease set temperature. Hold it down for above 2 seconds to
rapidly decrease set temperature. In AUTO mode, set temperature is not adjustable.
Press this button to increase set temperature. Hold it down for above 2 seconds to
rapidly increase set temperature. In AUTO mode, set temperature is not adjustable.
Auto
Speed 1 Speed 2 Speed 4
Speed 3
Press this key to activate or deactivate the swing.
SLEEP :
1
2
3
4
5
6
7
AUTO
COOL
DRY
FAN HEAT *
*Note: Only for modelswith heating
function.
:
:
FAN
-
+
:
SWING
:
This button is used for setting Fan Speed in the sequence that goes from AUTO,
, then back to Auto.
,
,
to
Each time you press the button, a mode is selected in a sequence that goes from AUTO,
COOL, DRY, FAN,and HEAT
*
, as the following:
11
1.Remove the battery cover plate from the rear of the remote controller.
(As shown in the figure)
2.Take out the old batteries.
3.Insert two new AAA1.5V dry batteries, and pay attention to the polarity.
4. Reinstall the battery cover plate.
When replacing the batteries, do not use old or different types of batteries,
If the remote controller will not be used for a long time, please
otherwise, it may cause malfuncti
on.
remove batteries to prevent batteries from leaking.
The operation should be performed in its receiving range.
It should be kept 1m away from the TV set or stereo sound sets.
If the remote controller does not operate normally, please take the
batteries out and reinsert them after 30 seconds. If it still can't operate properly,
Notes:
replace the batteries.
Fig.1
Fig.
2
Replacement of Batteries
Press "+ " and "-" buttons simultaneously
to lock or unlock the keypad.
At unit OFF, press
"
MODE
"
and
- " "
buttons simultaneously to switch between and .
4
TIMER:
Press this button to initiate auto-on/auto-off timer. To cancel auto-timer program, press
this button twice.
8
Combination of "+" and "-" buttons: About lock
9
Combination of "MODE" and "-" buttons: About switch between fahrenheit and cenrigrade
10
Under switch-on or switch-off state, you may hold "+" and "FAN" buttons simultaneously for
3 seconds to set the lamp on or off and send the code. After being energized, the lamp is
defaulted on.
Combination of "+" and "FAN" buttons: About Lamp
11
Operation of wireless remote control
Emergency Operation
12
If the wireless remote control is lost or broken,
please use the manual switch button. At this time,
and fan speed cannot be changed. The operation
the unit will run at the Auto mode, but the temperature
To open the panel, the manual switch is on the
displayer box.
Emergency operation
was shown as below:
Turn on the unit: At unit turned off, press the button,
the unit will run at Auto mode immediately.The
microcomputer will accord to the indoor temperature
to select (Cooling, Heating, Fan) and obtain the
comfortable effect.
Turn off the unit: At unit turned on, press the button,
the unit will stop working.
Manual switch
Fig.3
Disconnect the power supply
Clean the air filter
( a)
( b)
Clean and care
Caution
before cleaning air conditioner, or it may 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
Clean the air filter (Recommended once every three months)
NOTE: If dust is much more around the air conditioner, the air filters should be cleaned many times.
After taking off the filter, don't touch the fin of indoor unit, in order to avoid hurt your fingers.
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 Fig. 4(a, b).
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 detergent should below 45
degree) ,and dry it in the shade.
NOTE: Never use water above 45 to clean, or it can
cause deformation or discoloration. Never parch it by
fire, or can cause a fire or deformation.
Insert the air filter
Reinsert the filters along the direction of arrowhead, and
then to cover the cover and clasp it.
Fig.4
When cleaning the front panel, please dip the cloth into the water temperature of 45 below, then to dry
the cloth and wipe the dirty part.
Note: Please do not to immerse the front panel in water, due to there are microcomputer components and
circuit diagrams on the front panel.
13
Be sure that nothing obstructs the air outlet and intake vents.
Check that whether the batteries of air conditioner are
changed or not.
Check that whether the installation stand of the outdoor
unit is damaged or not. If damaged, please contact the dealer.
Clean and care
Check before use
Check that whether ground wire is properly connected or not.
Maintain after use
Switch off the power supply.
Clean the filter and indoor and outdoor units' bodies.
Clear dust and obstructions from the outdoor unit.
Repaint the rubiginous place on the outdoor unit to prevent it from spreading.
Adopt the special shield to cover the outdoor unit, avoid the rain water, dust enter into
the unit and get rust.
14
Once the air conditioner is stopped, it will
not operate in approximately 3 minutes to
protect itself.
Troubleshooting
CAUTION
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.
Phenomenon
Troubleshooting
Not operate immediately when the air
conditioner is restarted.
There's unusual smell blowing from the outlet
after operation is started.
The unit has no peculiar smell by itself. If has,
that is due to the smell accumulated in the
ambient.
Solution method: Cleaning the filter.
If problem still has, so need to clean air
conditioner. (Please contact with the authorized
maintenance center.)
Sound of water flow can be heard during
the operation.
The air conditioner is started, when it is
running the compressor started or stopped
running, or the unit is stopped, sometimes
there is swoosh or gurgle, the sound is due
to refrigerant flowing they are not malfuncti-
ons.
In COOL mode, sometimes the mist emitted
from the air outlet vent.
When the indoor temperature and humidity
are very high, this phenomenon would
happen. This is caused by the room air is
swiftly cooled down. After running for a while,
indoor temperature and humidity will fall
down, the mist will die awa y.
Creaking noise can be heard when start or
stop the unit.
This is caused by the deformation of plastic
due to the changes of temperature.
Waiting
15
Troubleshooting
Phenomenon
Troubleshooting
The unit can not run.
Has the power been shut down?
Is power plug loosed?
Is the circuit protection device tripped off or not?
Is voltage higher or lower?
(Tested by professionals)
Is the TIMER correctly used?
Cooling(Heating) efficiency is not good.
Is Temp. setting suitable?
Were inlet and outlet vents obstructed?
Is filter dirty?
Are the windows and doors clothed?
Did Fan speed set at low speed?
Is there any heat sources in the room?
Wireless remote control is not available.
The unit is interfered by abnormal or frequent
functions switchover occasionally the controller
cannot operate. At this time, you need to pull out
of the plug, and reinsert it.
Is it in its receiving range? Or obstructed?
To check the voltage in wireless remote control inside
is charged, otherwise to replace the batteries.
Whether the wireless remote control is damaged.
If water leakage in the room. The air humidity is on the high side.
Condensing water over flowed.
The connection position of indoor unit drainage
pipe is loosed.
If water leakage in outdoor unit. When the unit is running in COOL mode, the pipe
and connection of pipe would be condensed due
to the water cooled down.
When the unit is running in Auto Defrosting mode
the ice thawed and flowed out.
When the unit is running in HEAT mode, the water
adhered on heat exchanger dripped off.
Noise from indoor unit emitted. The sound of fan or compressor relay is switching
on or off.
When the defrosting is started or stop running,
it will sound. That is due to the refrigerant flowed
to the reverse direction.
Breaking off
16
Troubleshooting
Phenomenon
Troubleshooting
Indoor unit cannot deliver air.
Moisture on air outlet vent.
If unit is running under the high humidity for
a long time, the moisture will be condensed
on the air outlet grill and drip off.
Immediately stop all operations and plug out, contact
the dealer in following situations.
There is harsh sound during operation.
The terrible odors emitted during operation.
Water is leaking in the room.
Air switch or protection switch often breaks.
Carelessy splash water or something into unit.
There is an abnormal heat in power supply cord
and power plug.
Stop running and disconnect the
power supply.
In HEAT mode, when the temperature of indoor
heat exchanger is very low, that will stop deliver
air in order to prevent cool air. (Within 2min)
In HEAT mode, when the outdoor temperature
is low or high humidity, there are much frost be
formed on the outdoor heat exchanger, that the
unit will automatically defrost, indoor unit stop
blowing air for 3-12min.
During the defrosting, there is water flowing out
or vapor be produced.
In dehumidifying mode, sometimes indoor fan will
stop, in order to avoid condensing water be vapo-
rized again, restrain temperature rising.
17
H1: Defrosting
● It is normal.
1.
2. Select a position where the condensing water can be easily drained out, and the place
is easily connected for outdoor unit.
4. Can select the place where is strong enough to withstand the full weight and vibration of
the unit. And will not increase the noise.
5.
6.
7.
8
.
Make sure that the indoor unit installation should accord with installation dimension
diagram requirements.
1. Select a location from which noise and outflow air emitted by unit will not inconvenience
neighbors, animals, plants.
2. Select a location where there should be sufficient ventilation.
3. Select a location where there should be no obstructions cover the inlet and outlet vent.
4. The location should be able to withstand the full weight and vibration of the outdoor unit
and permit safe installation.
5. Select a dry place, but do not expose under the direct sunlight or strong wind.
6.
3. Select a location whe
re the children can not reach.
1. The unit installation work must be done by qualified personnel according to the local
rules and this manual.
2. Before installation, please contact with local authorized maintenance center, if unit is
not installed by the authorized maintenance center, the malfunction may not solved,
due to discommodious contacts.
3. When removing the unit to the other place, please firstly contact with the authorized
Maintenance Center in the local ar
ea.
7.
8.
9.
Notices for installation
Important Notices
Basic Requirements For Installation Position
Install in the following place may cause malfunction. If it is unavoidable contact with
service center please:
Place where strong heat sources, vapors, flammable gas or volatile object are emitted.
Place where high-frequency waves are generated by radio equipment, welders and
medical equipment.
Place where a lot of salinities such as coast exists.
Place where the oil (machine oil) is contained in the air.
Place where a sulfured gas such as the hot spring zones is generated.
Other place with special circumstance.
Indoor Unit Installation Position Selection
The air inlet and outlet vent should be far from the obstruction, make sure that the air
can be blown through the whole room.
Be sure to leave enough space to allow access for routine maintenance. The height of the
installed location should be 250cm or more from the floor.
Select a place about 1m or more away from TV set or any other electric appliances.
Select a place where the filter can be easily taken out.
Outdoor Unit Installation Position Selection
Make sure that the outdoor unit installation dimension should accord with installation
dimension diagram, convenient for maintenance, repair.
The height difference of connecting the tubing within 5m, the length of connecting the
tubing within 10m.
Select a place where it is out of reach for the children.
Select a place where will not block the passage and do not influence the city appearance.
. Do not use the unit in the immediate surroundings of a laundry a bath a shower or a
swimming pool.
9
18
Note:
Make sure that the Live wire or Zero line as well as the earth wire in the family power
socket can not be wrong connected, there should be reliable and no short circuit in the
diagram.
wrong connection may cause fire.
GWH18ND-K3NNA2A, GWH18ND-K3NNA4A, GWH18ND-K3NNA8A,
GWH18ND-K3NNB3A, GWH18ND-K3NNB4A can be connected only to a supply with
system impedance no more than 0.232 ohm. In case necessary, please consult your
supply authority for system impedance information.
4. The min. distance from the unit and combustive surface is 1.5m.
1. The power supply should be used the rated voltage and AC exclusive circuit,the power
cable diameter should be satisfied.
2. Don't drag the power cable emphatically.
3.
1. Air conditioner is type I electric appliance, thus please do conduct reliable earthing
measure.
2. The yellow-green two-color wire in air conditioner is earthing wire and cannot be used
for other propose. It cannot be cut off and be fix it by screw, otherwise it would cause
electric shock.
3. The earth resistance should accord to the National Criterion.
4. The user power must offer the reliable earthing terminal. Please don't connect the
earthing wire with the following place:
Tap water pipe. Gas pipe.
Contamination pipe.
Other places that professional personnel consider them unreliable.
5. The appliance shall be installed in accordance with national wiring regulations.
An all-pole disconnection switch having a contact separation of at least 3mm in all poles
should be connected in fixed wiring. For models with a power plug, make sure the plug
is within reach after installation.
It should be reliably earthed, and it should be connected to the special earth device,
the installation work should be operated by the professional.
6.
5. The model and rating values for fuses according the silk print on fuse cover or related
PCB board.
19
should be included magnet buckle and heating buckle function, it can protect the
circuit-short and overload. (Caution: please do not use the fuse only for protect the circuit)
7. Including an air switch with suitable capacity, please note the following table. Air switch
Notices for installation
Safety Requirements For Electric Appliances
Earthing requirements
0709K
24K
12K
18
16A
10A
25A
Air switch capacityAir-conditioner (W)
Space to the wall
200cm Above
30cm Above
Installation dimension diagram
Installation dimension diagram
Space to the ceiling
Space to the wall
Space to the wall
Air outlet side
Space to the floor
Above
Above
15cm
Above
15cm Above
Above
Space to the obstruction
Air outlet side
Space to the wall
Air inlet side
30cm Above
50cm A
bove
evob
50cm A
The dimensions of the space necessary for correct
installation of the appliance including the minimum
permissible distances to adjacent structures
20
15cm
250
cm
300cm
21
Install indoor unit
mm0 5 1
mm5 5 Φ
mm5 5 Φ
mm 0 5 1
Φ55
Install the rear panel
1.Always mount the rear panel horizontally. Due to the water tray of indoor unit has been adopted the
both-way drainage design, the outlet of water tray should be adjusted slightly down when installing, that is
taking the outlet of the water tray as the center of a circle, the included angle between the evaporator and
level should be 0 or more, that is good for condensing water drainage.
2.Fix the rear panel on the wall with screws.
(Where is pre-covered with plastic granula)
3.Be sure that the rear panel has been fixed
firmly enough to withstand the weight of an
adult of 60kg, further more, the weight should
be evenly shared by each screw.
Install the piping hole
1.Make the piping hole (Ф55) in the wall at a slight downward slant to the
outdoor side.
2.Insert the piping-hole sleeve into the hole to prevent the connection piping
and wiring from being damaged when passing through the hole.
Install the water drainage pipe
Indoor Outdoor
Wall pipe
Seal pad
Fig.5
Wall
Wall
Mark on the middle of it
Gradienter
Left
Right
(Rear piping hole)
(Rear piping hole)
Space
to the
wall
above
Space
to the
wall
above
1. Connect the drain hose to the outlet pipe of the indoor
unit.Bind the joint with rubber belt.
2.
Put the drain hose into insulating tube.
3.
Wrap the insulating tube with wide rubber belt to prevent
the shift of insulating tube. Slant the drain hose downward
slightly for smooth drainage of condensate.
bulge
distortion
outlet pipe of
indoor unit
insulating tube
connected
insulating tube
drain hose
outlet pipe of
indoor unit
drain hose
outlet pipe of
indoor unit
outlet pipe of
indoor unit
rubber belt
rubber belt
rubber belt
Flooded
Note: The insulating tube should be connected
reliably with the sleeve outside the outlet pipe.
The drain hose should be slanted downward slightly,
without distortion, bulge or fluctuation. Do not put
the outlet in the water.
22
Install indoor unit
Connect indoor and outdoor electric wires
1.Open the surface panel.
2.Remove the wiring cover Fig.6.
Fig.6
090507 12K
violet
yellow-
green
18K
violet
brown
yellow-
green
24K
0507091 2 1 4 15K24K
Cool only type:
yellow-
green
violet
yellow-
green
yellow-
green
(for some model)
18K Cool only type
3.Route the power connection cord and signal control wire (for heat pump type only) from the
back of the indoor unit and pull it toward the front through the wiring hole for connection.
4.Connect the interconnection cord to the terminal block, and then fix the cord with cord anchorage.
5.Reassemble the clamp and wiring cover.
Heat pump type:
Heat pump type: Heat pump type:
GWC18ND-K3NNB1C
After tighten the screw, slight pull the wire and confirm whether is it firm or not.
The cover plate must be fixed, and tighten the connection wire, if it is poor installed, that
NOTE:
When connecting the electric wire if the wire length is not enough, please contact with
the authorized service shop to buy a exclusive electric wire that is long enough and the
joint on the wire are not allowed.
The electric wiring must be correctly connected, wrong connection may cause spare parts
malfunction.
Tighten the terminal screw in order to prevent loose.
If the earth wire is wrong connection, that may cause electric shock.
the dust, moisture may enter in or the connection terminal will be affected by outside force,
and will cause fire or electric shock.
23
Install indoor unit
4.
2.
3.
1.
1.
2.
Install the indoor unit
The piping can be lead out from right, right rear, left
left rear.
When routing the piping and wiring from the left
or right side of indoor unit, cut off the tailings
from the chassis in necessary(Show in Fig.7)
(1)Cut off the tailings 1 when routing the wiring only;
(2)Cut off the tailings 1 and tailings 2 when routing
both the wiring and piping.
Take out the piping from body case, wrap the piping
electric wire, water pipe with tape and pull them
through the piping hole (As show in Fig.8)
Hange the mounting slots of the indoor unit on the
upper tabs of the rear panel and check if it is firm
enough.(As show in Fig.9)
The height of the installed location should be 2. m
or more from the floor.
Install the connection pipe
Align the center of the piping flare with the relevant valve.
Screw in the flare nut by hand and then tighten the
nut with spanner and torque wrench refer to the
following:
NOTE: Firstly connect the connection pipe to indoor unit, then to outdoor unit; pay attention
to the piping bending, do not damage the connection
pipe; the joint nut couldn't tighten too
much, otherwise it may cause leakage.
Spanner
Torque
wrench
Piping
Taper nut
Indoor unit piping
Fig.9
Mounting
plate
Fixing hook
Mounting
baord
Right
Right rear
Fig.8
Left rear
Left
Fig.7
Tailing 1
Tailing 2
Finally wrap it
with tape
Gas side piping
insulation
Water drainage pipe
Liquid side
Piping insulation
Gas side pipe
External connection
electric wire
Liquid side piping
(N·m)
Ф6
Ф 9.52
Ф 12
31~35
15~20
50~55
Ф 16 60~65
Ф 19 70~75
Hex nut diameter
Tightening torque
5
Manifold
Valve
Multimeter
-76cmHg
Lo Handle
Charging hose
Manometer
Hi handle
Charging hose
Vacuum pump
Low pressure valve
Ø
Air purging and leakage test
Condensate drainage of outdoor unit (no for cooling only)
The condensate and defrosting water formd during heating
in the outdoor unit can be properly discharged by drainage
pipe .
Installation method:set the drain connection in 25 hole of the
chassis has been installed and then connect drainage pipe
with drain nozzle,so that condensate and defrosting waer can
be properly discharged
Chassis
Drain
connection
Install outdoor unit
Electric wiring
NOTE:
Wrong wiring may cause spare parts malfunction.
After the cable fixed, make sure there should be
a free space between the connection and
connection and fixing place on the lead wire.
3.
4.
5.
1.
2.
Disassemble the handle on the outdoor unit right side plate.
Take off cord anchorage. Connect and fix power connect
cord (for heat pump type,connect and fix power
connect cord and signal control wire)to terminal block.
Fix the power connection cable with cord anchorage,
to fix the power connection cable and the signal
control wire).
Ensure wire has been fixed well.
Install the handle.
5
-1.0 10 pa
(-76cmHg)..
1. Connect charging hose of manifold valve to charge end of low pressure
valve (both high/low pressure valves must be tightly shut).
2. Connect joint of charging hose to vacuum pump.
3. Fully open handle handle of Lo manifold valve.
4. Open the vacuum pump to evacuate. At the beginning, slightly
loosen joint nut of low pressure valve to check if there
is air coming inside. (If noise of vacuum pump has
been changed, the reading of multimeter is 0) Then
tighten the nut.
5. Keep evacuating for more than 15mins and make
sure the reading of multi-meter is
6. Fully open high/low pressure valves.
7. Remove charging hose from charging end of low pressure valve.
8. Tighten bonnet of low-pressure valve. (As shown in Fig.10)
Fig.10
Heat pump type:
18K Heat pump type:
05 07 09 12K
Indoor unit
connection
N(1)
2 4
5
blue
black violet
orange
yellow-
green
24K Heat pump type:
Indoor unit
connection
N(1)
2 43 5
blue
black
brown
violet
orange
yellow-
green
N(1)
Indoor unit
connection
blue
black
(brown)
yellow-green
2
Indoor unit
connection
N(1)
2 4
5
blue
black violet
orange
yellow-
green
Handle
24
05K07K09K12K14K
15K18K24K cool only type:
(for heat pump type,use the cord anchorage
1.
(1) Do not switch on power before installation isfinished completely.
(2) Electric wiring must be connected correctly and securely.
(3) Cut-off valves of the connection pipes should be opened.
(4)
2.
(1) Switch on power, press "ON/OFF" button on the wireless remote control to start
the operation.
(2)
Check after installation and test operation
Check after installation
Items to be checked Possible malfunction
Has it been fixed firmly?
The unit may drop, shake or emit noise.
Have you done the refrigerant leakage test?
It may cause insufficient cooling(heating)
capacity
Is heat insulation sufficient?
It may cause condensation and dripping.
Is water drainage well?
It may cause condensation and dripping.
Is the voltage in accordance with the rated
voltage marked on the nameplate?
It may cause electric malfunction
or damage the part.
Is the electric wiring and piping
connection installed correctly and securely?
It may cause electric malfunction
or damage the part.
Has the unit been connected to a secure
earth connection?
It may cause electrical leakage.
Is the power cord specified?
It may cause electric malfunction
or damage the part.
Is the inlet and outlet been covered? It may cause insufficient cooling(heating)
capacity.
Has the length of connection pipes
and refrigerant capacity been recorded?
The refrigerant capacity is not accurate.
Test Operation
Before test operation
All the impurities such as scraps and thrums must be cleared from the unit.
Test operation method
Press MODE button, to select the COOL, HEAT (Cooling only unit is not available),
FAN to check whether the operation is normal or not.
25
Fig. a
Installation Instructions
1. Forcibly pull the panel for a specific angle
from the two ends of the front panel according
to the arrow direction. Then pull the air filter
2. Mount the healthy filter onto the air filter,(as
shown in Fig.b). If the air filter cannot be in-
stalled, please mount the healthy filter on
3. Mount the air filter properly along the arrow
direction in Fig.d, and then close the panel cover.
ion filter can't be cleaned with water, while active carbon, photocatalyst,
low temperature conversion (LTC) catalyst, formaldehyde eliminator, ca-
The healthy filter commonly has its usage lifetime for one year under
normal condition. As for silver ion filter, it is invalid when its surface becomes
according to the installation instruction. Pay special attention to that silver
Take out the healthy filter before cleaning and reinstall it after cleaning
Installation and Maintenance of Healthy Filter
Cleaning and Maintenance
Service Life
Healthy filter
Air filter
Healthy filter
downwards to remove it. (See Fig.a)
the front case. (as shown in Fig.c)
Fig. b
Fig. c
Fig. d
techin or mite killing filter can, but can't with brush or hard things. Dry it in
the shade or sun after cleaning, but not by wiping.
black (green).
goods, the latter one shall prevail. The quantity of healthy filters shall be
based on the actual delivery.
This supplementary instruction is provided for reference to the unit with
healthy filter. If the graphics provided herein is different from the physical
26
1. Standard length of connection pipe
5m7.5m8m
2. Min length of connection pipe
For the unit with standard connection pipe of 5m, there is no limitation
for the min length of connection pipe. For the unit with standard connection
pipe of 7.5m and 8m, the min length of connection pipe is 3m.
3. Max length of connection pipe
4. The calculation method of additional refrigerant oil and refrigerant charging
amount after prolonging connection pipe
After the length of connection pipe is prolonged for 10m at the basis of
standard length, you should add 5ml
of refrigerant oil for each additional
5m of connection pipe.
The calculation method of additional refrigerant charging amount (on the
(1) Additional refrigerant charging amount= prolonged length of liquid pipe × additional
refrigerant charging amount per meter
(2) When the length of connection pipe is above 5m, add refrigerant according
to the prolonged length of liquid pipe. The additional refrigerant charging
amount per meter is different according to the diameter of liquid pipe. See Sheet 2.
basis of liquid pipe):
Sheet 1 Max length of connection pipe Unit: m
Configuration of connection pipe and additional volume of refrigerant
27
Capacity
Max length of
connection pipe
Capacity
Max length of
connection pipe
5000 Btu/h
1465 W
15
24000 Btu/h
7032 W
25
7000 Btu/h
2051 W
15
28000 Btu/h
8204 W
30
9000 Btu/h
2637 W
15
36000 Btu/h
10548 W
30
12000 Btu/h
3516 W
20
42000 Btu/h
12306 W
30
18000 Btu/h
5274 W
25
48000 Btu/h
14064 W
30
28
Sheet 2. Additional refrigerant charging amount
for R22 R407C R410A
and R134a
Note: The additional refrigerant charging amount in Sheet 2 is recommended
value, not compulsory.
Diameter of connection pipe mm Indoor unit throttle Outdoor unit throttle
Liquid pipe Gas pipe Cooling only,
cooling and heating
(g / m)
Cooling only
(g / m)
Cooling and
heating (g /
m)
Ф6 Ф9.5 or Ф12 20 15 20
Ф6 or Ф9.5 Ф16 or Ф19 50 15 50
Ф12 Ф19 or Ф22.2 100 30 120
Ф16 Ф25.4 or Ф31.8 170 60 120
Ф19 - 250 250 250
Ф22.2 - 350 350 350
Configuration of connection pipe and additional volume of refrigerant
Add: West Jinji Rd, Qianshan, Zhuhai, Guangdong, China, 519070
Tel: (+86-756) 8522218 Fax: (+86-756) 8669426
E-mail: gree@gree.com.cn www.gree.com
GREE
E
L
ECTRIC
APPLIANCES
,
INC
.
OF
ZHUHAI
66162819
31


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