Gree GWC18KG-K3DNA5A User manual

Change for Life
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.

GWC18KG-K3DNA5A
GWC18KG-K3DNA8A
GWH18KG-K3DNA8A
GWC18KG-K3DNA5B
GWH18KG-K3DNA6A
GWH18KG-K3DNA5B
GWH18KG-K3DNA7B
GWC18KG-K3DNA5D
GWH18KG-K3DNA7B
GWH18KG-K3DNA6B
GWH18KG-K3DNA9B
GWH18KG-K3DNB2B
GWC18KG-K3DNA6A
GWH18KG-K3DNB1B
GWH18KG-K3DNA9A
GWC18KG-K3DNA9A
GWC18KG-D3DNA7A
GWC18KG-K3DNA7A
GWH18KG-K3DNB3A
GWH24KG-K3DNB3B
GWC18KG-D3DNA5A
GWC18KG-K3DNB2A
GWH18KG-K3DNA6E
GWC18KG-D3DNA5D
GWH18KG-K3DNA9E
GWC18KG-K3DNB2E
GWC18KG-K3DNA9E
GWH18KG-K3DNA5A
GWC24KG-K3DNA5A
GWH24KG-K3DNA5A
GWC24KG-K3DNA8A
GWH24KG-K3DNA8A
GWH24KG-K3DNA5B
GWH24KG-K3DNA6A
GWC24KG-K3DNA7A
GWH24KG-K3DNA7A
GWH24KG-K3DNA6B
GWH24KG-K3DNA9B
GWC24KG-K3DNA6A
GWC24KG-K3DNA5D
GWH24KG-K3DNB1B
GWC24KG-D3DNA7A
GWC24KG-K3DNA9A
GWH24KG-K3DNA9A
GWH24KG-K3DNB2B
GWH18KG-K3DNA5E
GWC18KG-K3DNA5E
GWH18KG-D3DNA5A
GWC18KG-K3DNA5F
GWC24KG-K3DNB2A
GWH18KG-D3DNA5D
GWC18KG-K3DNA5G
GWC18KG-D3DNA6E

CONTENTS
This symbol stands for the items
should be forbidden.
This symbol stands for the items
should be followed
■..................................1
■
■................................11
■....................................14
■ ..........................19
■ ...................................20
■ ..................................23
■..................24
■...............25
■
■ ................................17
■ ....................................12
Operation and maintenance
Notices for operation
Notices for use ......................................3
Names and functions of each part ......................... 5
■Operation of remote controller .............................6
Clean and care
Troubleshooting
Installation service
Notices for installation
Installation dimension diagram
Install indoor unit
Install outdoor unit
Check after installation and test operation
Emergency operation
Installation and Maintenance of Healthy Filter
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 they are away from the appliance.
■ Configuration of connection pipe and additional volume of refrigerant
...26

★
★
★
Operation and maintenance-notices for operation
-1-
★★
Be sure to pull out the power
★
★★
★
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.
plug when not using the air
conditioner for a long time.
Otherwise, the accumulated dust
may cause fire or electric shock.
Select the most appropriate
temperature.
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 afire 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 some-
thing 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 temperature, 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 3-12 mins.
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(oC) Outdoor sideDB/WB(oC)
32/23
27/---
43/26
24/18
The operating temperature range (outdoor temperature) for cooling only unit is 18℃~ 43℃;
for heat pump unit is -7℃~ 43℃.

Air in
Air out
⑶
⑸
⑴
⑷
Names and functions of each part
⑹
⑸
⑵
⑻
⑷
⑺
⑶
⑴
Indoor unit
Air out
Outdoor unit
Wireless
remote control
Air in
Power cable
Remote control
Front panel
Filter
Guide louver
Wall pipe
Bind tape
Drainage pipe
⑹
⑺
⑻
Receive window
Heat
Cool
Power
Dry
⑵
ON/OFF
-5-
SET TEMP/
AMBIENT TEMP

-6-
FAN
AUTO
OPER
HEALTH
AIR
FILTER
TURBO
ON/OFF
X-FAN
HOUR
HUMIDITY
ON/OFF
MODE
FAN
X-FAN
TURBO
TEMP TIMER
SLEEP LIGHT
2
11
7
10
13
9
43
12
8
6
14
5
1
Press it to start or stop
ON/OFF
operation.
MODE
+
-
Press it to select operation mode
(AUTO/COOL/DRY/FAN/HEAT).
:Press it to increase temperature
setting.
: Press it to decrease temperature
setting.
FA
HEALTH SAVE
N
Press it to set up & down swing angle.
Press it to turn on/off the light.
TIMER
X-FAN ( page 9)
( page 9)
TEMP( page 9)
TURBO( page 9)
SLEEP( page 10)
LIGHT
Press it to set fan speed.
Press it to set timer ON/ timer OFF.
1
2
Press it to turn on or off health function.
7
4
3
5
6
Press it to set left & right swing angle.
8
11
9
10
12
13
14
Operation of Remote Controller

Operation of Remote Controller
LOCK icon:
MODE icon:
LIGHT icon:
If MODE button is pressed,
current operation mode icon
Pressing TEMP button,
(set temperature),
ambient temperature)
(outdoor ambient temperature)
and blank is displayed circularly.
(indoor
is displayed by pressing "+"
and “-” buttons simultaneously. Press
them again to clear the display.
is displayed when pressing the
left & right swing button.Press this
button again to clear the display.
is displayed when pressing
the up & down swing button.
Press this button again to clear the
display.
is displayed by pressing the
LIGHT button. Press LIGHT button
again to clear the display.
(AUTO), ( COOL),
(DRY), (FAN) or (HEAT
only for heat pump models) will
show.
15
Left & right swing icon:
20
Up & down swing icon:
After pressing TIMER button,
ON or OFF will blink.This area
will show the set time.
SET TIME display:
21
This area will show the set tempe-
rature. In SAVE mode,"SE" will be
displayed. During defrosting opera-
tion, “H1” will be displayed.
DIGITAL display:
23
Press FAN button to select the
desired fan speed setting(AUTO-
Low-Med-High).Your selection will
be displayed in the LCD windows,
except the AUTO fan speed.
FAN SPEED display:
24
16
17
SLEEP icon :
is displayed by pressing
the SLEEP button. Press this
button again to clear the display.
18
TEMP icon:
19
FAN
AUTO
OPER
HEALTH
AIR
FILTER
TURBO
ON/OFF
X-FAN
HOUR
HUMIDITY
19
15
20
18
16
17
21
22
23
24
-7-
22
19

Remote controller description
ON/OFF :
MODE :
+:
FAN :
1
2
4
3
5
Operation of Remote Controller
-8-
Press this button to turn on the unit. Press this button again to turn off the unit.
Each time you press this button,a mode is selected in a sequence that goes from AUTO,
COOL, DRY, FAN,and HEAT *, as the following:
AUTO COOL DRY FAN HEAT *
*Note: Only for modelswith heating function.
After energization, AUTO mode is defaulted. In AUTO mode, the set temperature will not
be displayed on the LCD, and the unit will automatically select the suitable operation
mode in accordance with the room temperature to make indoor room comfortable.
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.
This button is used for setting fan speed in the sequence that goes from AUTO,
to then back to Auto.
,
,,
Auto
Low speed Medium speed High speed
:
6
Press button tostart or stop up & down swing function.The remote controller
defaults to simple swing condition.
Press + button and button atthe same time at unit OFF to switch between
simple swing and static swing; blinks for 2 seconds.
In static swing condition, pressing
If the unit is turned off during swing operation,the louver will stop at present position.
button, the swing angle of up & down louver
changes as below:
●
●
●
●

10 TEMP:
Press this button, could select displaying the indoor setting temperature or indoor ambient
temperature.When the indoor unit firstly power on it will display the setting temperature,
if the temperature's displaying status is changed from other status to" ",displays the
ambient temperature, 5s later or within 5s, it receives other remote control signal that will
return to display the setting temperature. if the users haven't set up the temperature
displaying status,that will display the setting temperature.
HEALTH SAVE:
Press HEALTH part of this button to turn on or off HEALTH function.
7
Press TIMER button at unit ON to set TIMER OFF; HOUR OFF blinks. Press TIMER
button at unit OFF to set TIMER ON; HOUR ON blinks. In this case, pressing + or -
button changes time setting. Holding down either button rapidly changes time setting
(time setting range 0.5-24hours). Press TIMER button again to confirm setting; HOUR
O
N/OFF stops blinking. If there is not any
operation of button within 5 seconds during
HOUR ON/OFF blinking, TIMER setting will be cancelled.
TIMER:
11
X-FAN:
TURBO:
9
12
-9-
:
8
Pressing X-FAN button in COOL or DRY mode,the icon "X-FAN" is displayed and the
indoor fan will continue operation for 10 minutes in order to dry the indoor unit even though
you have turned off the unit.
After energization, X-FAN OFF is defaulted. X-FAN is not available in AUTO, FAN and
HEAT mode.
Press this button to activate / deactivate the Turbo function which enables the unit to
reach the preset temperature in shortest time. In COOL mode, the unit will blow strong
cooling air at super high fan speed. In HEAT mode, the unit will blow strong heating air
at super high fan speed. (This function is not applicable for some models).
Pressing SAVE part of this button, is displayed and the unit goes into SAVE operation
mode. Press SAVE part of the button again to cancel SAVE function. During SAVE
operation, the temperature and fan speed is not adjustable.
Operation of Remote Controller
Pres neewtebhctiwsotFFOtinutaemitemasehttanottubdnanottub+s
simple swing and static swing;
Press button to start or stop left & right swing function.The remote controller
defaults to simple swing condition.
blinks for 2 seconds.
In static swing condition, pressing button, the swing angle of left & right louver
changes as below:
●
●
●
If the unit is turned off during swing operation,the louver will stop at present position.
●
Note:X-FAN is the alternative expression of BLOW for the purpose of under standing.

SLEEP :
LIGHT:
13
14
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.
Press LIGHT button to turn on the display's light and press this button again to turn off
the display's light. If the light is turned on , is displayed. If the light is tunrned off,
disappears.
-10-
Replacement of Batteries
properly, replace the batteries.
★
●
●
●
●
●
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 batteries,
If the wireless remote controller will not be used for a long time, please
otherwise, it may cause malfunction.
remove batteries to prevent damage from leaking batteries.
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 wireless remote controller does not operate normally, please take
the batteries out and reinsert them after 30 seconds. If it still can't operate
Sketch map for
replacing batteries
Notes:
Press "+" and "-" buttons simultaneously to lock or unlock the keypad. If the remote
controller is locked, is displayed. In this case, pressing any button, blinks
three times.
At unit OFF, press "+" MODE and "-" buttons simultaneously to switch between ℃ and ℉.
3
2
3
Operation of Remote Controller
Combination of "+" and "-" buttons: About lock
15 15
Combination of "MODE " and "-" buttons:About switch between Fahrenheit and Centigrade.
16

is on the displayer box.
Displayer indicator light control of indoor unit
Emergency operation
Emergency operation
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.
●
Fig.3
-11-
Manual switch
If the wireless remote control is lost
or broken, please use the manual switch
Auto mode, but the temperature and fan
button. At this time, the unit will run at the
To open the panel, the manual switch
speed cannot be changed. The operation
was shown as below:
Special selection button: for those users who do not want light at night.
Light on: press “light” button when the light is off, the indoor indicator light will
be on.
Light off: press “light” button when the light is on, the indoor indicator light will
be off.
●
●
Notice: when there’s no display of indoor indicator, please check the setting status
for light function of wireless remote controller.

℃
●●
●●
●
℃
②Clean the air filter
③
①
(a)
(b)
Clean and care
Caution
Turn power off and pull out the power plug 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.
-12-

①Be sure that nothing obstructs the air outlet and intake vents.
②
③Check that whether the batteries of air conditioner are
changed or not.
④Check that whether the installation stand of the outdoor
unit is damaged or not. If damaged, please contact the dealer.
①
②
③
④
⑤
Clean and care
Check before use
Check that whether ground wire is properly connected or not.
Maintain after use
Turn main power off.
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.
-13-

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 away.
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
-14-

●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
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
-15-

●
●
●
●
Troubleshooting
Phenomenon Troubleshooting
Indoor unit cannot deliver air.
Moisture on air outlet vent
H1: Defrosting
.If unit is running under the high humidity for
●It is normal.
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 pull out of the plug.
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.
-16-

-17-
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.
3. Select a location where 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 installating, 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. W
4 .the appliance must be positioned so that the plug is accessible.
hen removing the unit to the other place, please firstly contact with the authorized
Maintenance Center in the local area.
●
●
●
●
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 TVset or any other electric appliances.
Select a place where the filter can be easily taken out.
.Do not use the unit in the immediate surroundings of a laundry a bath a shower or a
swimming pool.
9
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.
7.
8.
9.
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.