Split Air Conditioner
Split Air Conditioner
Thank you for choosing our product.
For proper operation, please read and keep this manual carefully.
Made in China
Operation Notices
Content
Precautions............................................................................................................ 1
Models and specifications ..................................................................................... 6
Parts name ........................................................................................................... 9
Screen Operation Guide
Buttons on remote controller ............................................................................... 11
Introduction for icons on display screen .............................................................. 11
Introduction for buttons on remote controller....................................................... 12
Function introduction for combination buttons..................................................... 18
Operation guide ................................................................................................... 19
Replacement of batteries in remote controller ..................................................... 19
Emergency operation .......................................................................................... 20
Maintenance
Clean and maintenance....................................................................................... 20
Malfunction
Malfunction analysis ............................................................................................ 23
Installation Notice
Installation dimension diagram ............................................................................ 27
Tools for installation ............................................................................................. 28
Selection of installation location .......................................................................... 28
Requirements for electric connection .................................................................. 29
Installation
Installation of indoor unit...................................................................................... 30
Installation of outdoor unit ................................................................................... 35
Vacuum pumping ................................................................................................. 38
Leakage detection ............................................................................................... 38
Check after installation ........................................................................................ 39
Test and operation
Test operation ...................................................................................................... 39
Attachment
Configuration of connection pipe ......................................................................... 40
Pipe expanding method ....................................................................................... 42
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.
Precautions
WARNING
Operation and Maintenance
This appliance can be used by children aged from 8
years and above and persons with reduced physical,
sensory or mental capabilities or lack of experience
and knowledge if they have been given supervision or
instruction concerning use of the appliance in a safe
way and understand the hazards involved.
Children shall not play with the appliance.
Cleaning and user maintenance shall not be made by
children without supervision.
Do not connect air conditioner to multi-purpose socket.
Otherwise, it may cause fire hazard.
Do disconnect power supply when cleaning air
conditioner. Otherwise, it may cause electric shock.
.
If the supply cord is damaged, it must be replaced by
the manufacturer, its service agent or similarly qualified
persons in order to avoid a hazard.
Do not wash the air conditioner with water to avoid
electric shock.
Do not spray water on indoor unit. It may cause electric
shock or malfunction.
After removing the filter, do not touch fins to avoid injury.
Do not use fire or hair dryer to dry the filter to avoid
deformation or fire hazard.
1
Precautions
WARNING
Maintenance must be performed by qualified
professionals. Otherwise, it may cause personal injury
or damage.
Do not repair air conditioner by yourself. It may cause
electric shock or damage. Please contact dealer when
you need to repair air conditioner.
Do not extend fingers or objects into air inlet or air
outlet. It may cause personal injury or damage.
Do not block air outlet or air inlet. It may cause
malfunction.
Do not spill water on the remote controller, otherwise the
remote controller may be broken.
When below phenomenon occurs, please turn off air
conditioner and disconnect power immediately, and then
contact the dealer or qualified professionals for service.
● Power cord is overheating or damaged.
● There’s abnormal sound during operation.
● Circuit break trips off frequently.
● Air conditioner gives off burning smell.
● Indoor unit is leaking.
If the air conditioner operates under abnormal conditions,
it may cause malfunction, electric shock or fire hazard.
When turning on or turning off the unit by emergency
operation switch, please press this switch with an insulating
object other than metal.
Do not step on top panel of outdoor unit, or put heavy
objects. It may cause damage or personal injury.
2
Precautions
WARNING
Attachment
Installation must be performed by qualified professionals.
Otherwise, it may cause personal injury or damage.
Must follow the electric safety regulations when installing
the unit.
According to the local safety regulations, use qualified
power supply circuit and circuit break.
Do install the circuit break. If not, it may cause malfunction.
An all-pole disconnection switch having a contact separation
of at least 3mm in all poles should be connected in fixed
wiring.
Including an circuit break with suitable capacity, please
note the following table.Air switch should be included
magnet buckle and heating buckle function, it can protect
the circuit-short and overload.
Air Conditioner should be properly grounded. Incorrect
grounding may cause electric shock.
Don't use unqualified power cord.
Make sure the power supply matches with the
requirement of air conditioner.Unstable power supply or
incorrect wiring or malfunction. Please install proper power
supply cables before using the air conditioner.
Properly connect the live wire, neutral wire and
grounding wire of power socket.
Be sure to cut off the power supply before proceeding
any work related to electricity and safety.
3
Precautions
WARNING
Do not put through the power before finishing installation.
If the supply cord is damaged, it must be replaced by
the manufacturer, its service agent or similarly qualified
persons in order to avoid a hazard.
The temperature of refrigerant circuit will be high, please
keep the interconnection cable away from the copper
tube.
The appliance shall be installed in accordance with
national wiring regulations.
Installation must be performed in accordance with the
requirement of NEC and CEC by authorized personnel
only.
The air conditioner is the first class electric appliance. It
must be properly grounding with specialized grounding
device by a professional. Please make sure it is always
grounded effectively, otherwise it may cause electric shock.
The yellow-green wire in air conditioner is grounding
wire, which can't be used for other purposes.
The grounding resistance should comply with national
electric safety regulations.
The appliance must be positioned so that the plug is
accessible.
All wires of indoor unit and outdoor unit should be
connected by a professional.
If the length of power connection wire is insufficient, please
contact the supplier for a new one. Avoid extending the
wire by yourself.
4
Precautions
WARNING
For the air conditioner with plug, the plug should be
reachable after finishing installation.
For the air conditioner without plug, an circuit break
must be installed in the line.
If you need to relocate the air conditioner to another
place, only the qualified person can perform the work.
Otherwise, it may cause personal injury or damage.
Select a location which is out of reach for children and
far away from animals or plants.If it is unavoidable,
please add the fence for safety purpose.
The indoor unit should be installed close to the wall.
Working temperature range
Maximum cooling
Maximum heating
Indoor side DB/WB(℃ )
32/23
27/-
NOTICE:
Outdoor side DB/WB(℃ )
52/31
24/18
● The operating temperature range (outdoor temperature) for cooling only unit is
21℃ ~52℃ ; for heat pump unit is -7℃ ~ 52℃ .
5
6
8.55
-
T3 EER(Btu/h)/W
H1 Heating Capacity(W)
H1 Heating Power Input(W)
H1 Current Input(A)
H1 COP(W/W)
3.50
4.4
979
3430
8.35
5.0
1138
9500
11.95
4.3
962
11500
2597
R410A 1.25
7.0
11/39
60Hz
230V~
cooling and heating
UTS12LSHR-7
Note: Annual energy consumption for calculating the expected rated power within 2700 working hour with full load annually.
5.1
970
T1 Cooling Power Input(W)
T3 Current Input(A)
11500
T1 Cooling Capacity(Btu/h)
1193
2619
Energy consumption(kwh/per year)
T3 Cooling Power Input(W)
R410A 0.95
Refrigerant volume(kg)
10200
7.3
Rated Current(A)
T3 Cooling Capacity(Btu/h)
10.5/33
Net weight(kg)
11.85
60Hz
Rated frequency
T1 EER(Btu/h)/W
230V~
Rated voltage(V)
4.3
cooling
Function
T1 Current Input(A)
UTS12LSR-7
Model
Models and specifications
7
7.9
8.40
5500
1594
7.1
3.45
7.9
8.40
-
T3 Current Input(A)
T3 EER(Btu/h)/W
H1 Heating Capacity(W)
H1 Heating Power Input(W)
H1 Current Input(A)
H1 COP(W/W)
Note: Annual energy consumption for calculating the expected rated power within 2700 working hour with full load annually.
1773
1773
T3 Cooling Power Input(W)
1525
1525
T1 Cooling Power Input(W)
14900
18000
18000
T1 Cooling Capacity(Btu/h)
14900
4118
4118
Energy consumption(kwh/per year)
T3 Cooling Capacity(Btu/h)
R410A 1.70
R410A 1.60
Refrigerant volume(kg)
11.80
11
11
Rated Current(A)
11.80
14/48
14/47.5
Net weight(kg)
T1 EER(Btu/h)/W
60Hz
60Hz
Rated frequency
6.8
230V~
230V~
Rated voltage(V)
6.8
cooling and heating
cooling
Function
T1 Current Input(A)
UTS18LSHR-7
UTS18LSR-7
Model
Models and specifications
8
8.30
-
T3 EER(Btu/h)/W
H1 Heating Capacity(W)
H1 Heating Power Input(W)
H1 Current Input(A)
H1 COP(W/W)
3.55
8.5
1915
6800
8.50
9.9
2235
19000
11.85
8.4
1899
22500
5127
R410A 2.10
14
16.5/61
60Hz
230V~
cooling and heating
UTS24LSHR-7
Note: Annual energy consumption for calculating the expected rated power within 2700 working hour with full load annually.
9.6
1880
T1 Cooling Power Input(W)
T3 Current Input(A)
22000
T1 Cooling Capacity(Btu/h)
2169
5076
Energy consumption(kwh/per year)
T3 Cooling Power Input(W)
R410A 1.85
Refrigerant volume(kg)
18000
14
Rated Current(A)
T3 Cooling Capacity(Btu/h)
16.5/49
Net weight(kg)
11.70
60Hz
Rated frequency
T1 EER(Btu/h)/W
230V~
Rated voltage(V)
8.4
cooling
Function
T1 Current Input(A)
UTS24LSR-7
Model
Models and specifications
Parts name
Indoor Unit
air inlet
panel
filter
aux.button
horizontal louver
air outlet
(Display content or position may be different from above
graphics, please refer to actual products)
Outdoor Unit
remote controller
air inlet
Connection wire
air outlet
NOTICE:
Actual product may be different from above graphics, please refer to actual
products.
9
Parts name
Display
For some model:
cooling
indicator
For some model:
power
indicator
receiver
window
heating
indicator
temp.
indicator
display
cooling
indicator
heating
indicator
temp.
indicator
drying
display
indicator
For some model:
receiver
window
power
indicator
drying
indicator
display
temp.
indicator
Power LED color indicator:
Green-status-ON.
Red-status-OFF.
receiver
window
Mode LED color indicator:
W
R
G
White-W-Cool ModeRed-R-Heat Mode-
W
(only for heating model)
R
Green-G-Dry Mode- G
For some model:
display
temp.
indicator
Power LED color indicator:
Green-status-ON.
Red-status-OFF.
receiver
window
Mode LED color indicator:
W
R
O
White-W-Cool ModeRed-R-Heat Mode-
R
W
(only for heating model)
Orange-O-Dry Mode- O
Display content or position may be different from above graphics, please refer to actual
products.
10
Buttons on remote controller
3
2
4
6
12
13
14
15
16
3
FAN button
4
TURBO button
5
▲/
button
6
button
7
button
8
SLEEP button
9
I FEEL button
12 QUIET button
10
11
MODE button
11 CLOCK button
9
8
2
10 TIMER ON/TIMER OFF button
5
7
ON/OFF button
▲
1
1
13 X-FAN button (Note: X-FAN is the
same with BLOW.)
14 LIGHT button
15
button
16 TEMP button
Introduction for icons on display screen
I feel
Quiet
Set fan speed
Turbo mode
Send signal
Healthy mode
Scavenging functions
8℃ heating function
Operation mode
Auto mode
Cool mode
Set temperature
X-FAN function
Dry mode
Fan mode
Heat mode
Set time
TIMER ON/TIMER OFF
Clock
Sleep mode
Child lock
Up & down swing
Left & right swing
Light
Temp. display type
:Indoor ambient temp.
:Outdoor ambient temp.
:Set temp.
11
Introduction for buttons on remote controller
Note:
● After putting through the power, the air conditioner will give out a sound.
Operation indictor " " is ON (red indicator). After that, you can operate the air
conditioner by using remote controller.
● Under on status, pressing the button on the remote controller, the signal icon " "
on the display of remote controller will blink once and the air conditioner will give
out a “de” sound, which means the signal has been sent to the air conditioner.
1
ON/OFF button
Press this button can turn on or turn off the air conditioner. After turning on the air
conditioner, operation indicator " "on indoor unit’s display is ON (green indicator.
The colour is different for different models), and indoor unit will give out a sound.
2
MODE button
Press this button to select your required operation mode.
AUTO
COOL
DRY
FAN
HEAT
● When selecting auto mode, air conditioner will operate automatically according
to ex-factory setting. Set temperature can’t be adjusted and will not be displayed
as well. Press "FAN" button can adjust fan speed. Press " " / " " button can
adjust fan blowing angle.
● After selecting cool mode, air conditioner will operate under cool mode. Cool
indicator " "on indoor unit is ON. Press "▲" or " " button to adjust set temperature. Press "FAN" button to adjust fan speed. Press " " / " " button to adjust
fan blowing angle.
● When selecting dry mode, the air conditioner operates at low speed under dry
mode. Dry indicator " " on indoor unit is ON. Under dry mode, fan speed can’t
be adjusted. Press " " / " " button to adjust fan blowing angle.
● When selecting fan mode, the air conditioner will only blow fan, no cooling and
no heating. All indicators are OFF. Press "FAN" button to adjust fan speed. Press
" " / " " button to adjust fan blowing angle.
● When selecting heating mode, the air conditioner operates under heat mode.
Heat indicator "
" on indoor unit is ON. Press "▲" or " " button to adjust set
temperature. Press "FAN" button to adjust fan speed. Press " " / " " button to
adjust fan blowing angle. (Cooling only unit won’t receive heating mode signal. If
setting heat mode with remote controller, press ON/OFF button can’t start up the
unit).
▲
▲
12
8
Introduction for buttons on remote controller
Note:
● For preventing cold air, after starting up heating mode, indoor unit will delay 1~5
minutes to blow air (actual delay time is depend on indoor ambient temperature).
● Set temperature range from remote controller: 16~30℃ (61-86°F);
Fan speed: auto, low speed, medium speed, high speed.
3
FAN button
Pressing this button can set fan speed circularly as: auto(AUTO), low(
(
), high(
).
), medium
Auto
Note:
● Under AUTO speed, air conditioner will select proper fan speed automatically
according to ex-factory setting.
● Fan speed under dry mode is low speed.
4
TURBO button
Under COOL or HEAT mode, press this button to turn to quick COOL or quick
HEAT mode. " " icon is displayed on remote controller. Press this button again
to exit turbo function and " " icon will disappear.
If start this function, the unit will run at super-high fan speed to cool or heat quickly
so that the ambient temp. approachs the preset temp. as soon as possible.
▲/
▲
5
button
▲
▲
● Press "▲" or " " button once increase or decrease set temperature 1℃ (°F).
Holding "▲" or " " button, 2s later, set temperature on remote controller will
tor on indoor unit will change accordingly. (Temperature can’t be adjusted under
auto mode)
● When setting TIMER ON, TIMER OFF or CLOCK, press "▲" or " " button to
adjust time. (Refer to CLOCK, TIMER ON, TIMER OFF buttons) When setting
TIMER ON, TIMER OFF or CLOCK, press "▲" or " " button to adjust time. (Refer
to CLOCK, TIMER ON, TIMER OFF buttons)
▲
▲
13
Introduction for buttons on remote controller
button
6
Press this button can select left & right swing angle. Fan blow angle can be selected
circularly as below:
no display
(stops at current position)
Note:
● Press this button continuously more than 2s, the main unit will swing back and
forth from left to right, and then loosen the button, the unit will stop swinging and
present position of guide louver will be kept immediately.
● Under swing left and right mode, when the status is switched from off to
, if
press this button again 2s later,
status will switch to off status directly; if press
this button again within 2s, the change of swing status will also depend on the
circulation sequence stated above.
7
button
Press this button can select up & down swing angle. Fan blow angle can be selected
circularly as below:
no display
(horizontal louvers stops
at current position)
● When selecting " ", air conditioner is blowing fan automatically. Horizontal
louver will automatically swing up & down at maximum angle.
● When selecting " 、 、 、 、
● When selecting "
、 、
● Hold " "button above 2s to set your required swing angle. When reaching your
required angle, release the button.
Note:
● " 、 、 " may not be available. When air conditioner receives this signal, the
air conditioner will blow fan automatically.
● Press this button continuously more than 2s, the main unit will swing back and
forth from up to down, and then loosen the button, the unit will stop swinging and
present position of guide louver will be kept immediately.
● Under swing up and down mode, when the status is switched from off to , if
press this button again 2s later,
status will switch to off status directly; if press
14
Introduction for buttons on remote controller
this button again within 2s, the change of swing status will also depend on the
circulation sequence stated above.
8
SLEEP button
Under COOL, HEAT or DRY mode, press this button to start up sleep function.
" " icon is displayed on remote controller. Press this button again to cancel sleep
function and " " icon will disappear. After powered on, Sleep Off is defaulted. After
the unit is turned off, the Sleep function is canceled.
In this mode, the time of time can be adjusted. Under Fan and Auto modes, this
function is not available.
9
I FEEL button
Press this button to start I FEEL function and " " will be displayed on the remote
controller. After this function is set, the remote controller will send the detected
ambient temperature to the controller and the unit will automatically adjust the
indoor temperature according to the detected temperature. Press this button again
to close I FEEL function and " " will disappear.
● Please put the remote controller near user when this function is set. Do not put
the remote controller near the object of high temperature or low temperature in
order to avoid detecting inaccurate ambient temperature.
10 TIMER ON / TIMER OFF button
● TIMER ON button
"TIMER ON" button can set the time for timer on. After pressing this button, " "
icon disappears and the word "ON" on remote controller blinks. Press "▲" or
" " button to adjust TIMER ON setting. After each pressing "▲" or " " button,
TIMER ON setting will increase or decrease 1min. Hold "▲" or " " button, 2s
later, the time will change quickly until reaching your required time.
▲
▲
▲
resumes displaying. Cancel TIMER ON: Under the condition that TIMER ON is
started up, press "TIMER ON" button to cancel it.
● TIMER OFF button
"TIMER OFF" button can set the time for timer off. After pressing this button, " "
icon disappears and the word "OFF" on remote controller blinks. Press "▲" or
" " button to adjust TIMER OFF setting. After each pressing "▲" or " " button,
TIMER OFF setting will increase or decrease 1min. Hold "▲" or " " button, 2s
later, the time will change quickly until reaching your required time.
Press "TIMER OFF" word "OFF" will stop blinking. " " icon resumes displaying.
Cancel TIMER OFF. Under the condition that TIMER OFF is started up, press
"TIMER OFF" button to cancel it.
▲
▲
▲
15
Introduction for buttons on remote controller
Note:
● Under on and off status, you can set TIMER OFF or TIMER ON simultaneously.
● Before setting TIMER ON or TIMER OFF, please adjust the clock time.
● After starting up TIMER ON or TIMER OFF, set the constant circulating valid.
After that, air conditioner will be turned on or turned off according to setting time.
ON/OFF button has no effect on setting. If you don’t need this function, please
use remote controller to cancel it.
11
CLOCK button
Press this button to set clock time. " " icon on remote controller will blink. Press
"▲" or " " button within 5s to set clock time. Each pressing of "▲" or " " button,
clock time will increase or decrease 1 minute. If hold "▲" or " " button, 2s later,
time will change quickly. Release this button when reaching your required time.
▲
▲
▲
Note:
● Clock time adopts 24-hour mode.
● The interval between two operation can’t exceeds 5s. Otherwise, remote controller will quit setting status. Operation for TIMER ON/TIMER OFF is the same.
12
QUIET button
Press this button, the Quiet status is under the Auto Quiet mode (display " " and
"AUTO" signal) and Quiet mode (display " " singal) and Quiet OFF (there is no
signal of " " displayed), after powered on, the Quiet OFF is defaulted.
Note:
● The Quiet function cannot be set up in Fan and Dry mode; Under the Quiet mode,
the fan speed is not available.
● If Auto Quiet mode has been selected, after the room temperature reached the
setting temperature or 10mins later, the AC will immediately enter into the Quiet
running status, at this time the fan speed is not adjustable.
● The Quiet function is only available for some models.
13
X-FAN button
Pressing this button in COOL or DRY mode, the icon "
" is displayed and the
indoor fan will continue operation for 2 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 or HEAT mode.
This function indicates that moisture on evaporator of indoor unit will be blowed
after the unit is stopped to avoid mould.
● Having set X-FAN function on: After turning off the unit by pressing ON/OFF
button indoor fan will continue running for about 2 min. at low speed. In this
period, press X-FAN button to stop indoor fan directly.
● Having set X-FAN function off: After turning off the unit by pressing ON/OFF
button, the complete unit will be off directly.
16
Introduction for buttons on remote controller
14 LIGHT button
Press this button to turn off display light on indoor unit. "
" icon on remote
controller disappears. Press this button again to turn on display light. "
" icon is
displayed.
15
button
Press this button to achieve the on and off of healthy and scavenging functions in
LCD displays " ". Press the button for the second time to start healthy and
scavenging functions simultaneously; LCD displays " " and " " . Press this
button for the third time to quit healthy and scavenging functions simultaneously.
Press the button for the fourth t ime to start healthy function; LCD display " " .
Press this button again to repeat the operation above.
16
TEMP button
By pressing this button, you can see indoor set temperature, indoor ambient temperature or outdoor ambient temperature on indoor unit’s display. The setting on
remote controlleris selected circularly as below:
no display
● When selecting " " or no display with remote controller, temperature indicator
on indoor unit displays set temperature.
● When selecting " " with remote controller, temperature indicator on indoor unit
displays indoor ambient temperature.
● When selecting "
" with remote controller, temperature indicator on indoor unit
displays outdoor ambient temperature.
Note:
● Outdoor temperature display is not available for some models. At that time, indoor
unit receives "
" signal, while it displays indoor set temperature.
● It’s defaulted to display set temperature when turning on the unit. There is no
display in the remote controller.
● Only for the models whose indoor unit has dual-8 display.
● When selecting displaying of indoor or outdoor ambient temperature, indoor
temperature indicator displays corresponding temperature and automatically turn
17
Function introduction for combination buttons
Energy-saving function
Under cooling mode, press "TEMP" and "CLOCK" buttons simultaneously to
start up or turn off energy-saving function. When energy-saving function is started
up, "SE" will be shown on remote controller, and air conditioner will adjust the set
temperature automatically according to ex-factory setting to reach to the best
energy-saving effect. Press "TEMP" and "CLOCK" buttons simultaneously again to
exit energy-saving function.
Note:
● Under energy-saving function, fan speed is defaulted at auto speed and it can’t
be adjusted.
● Under energy-saving function, set temperature can’t be adjusted. Press "TURBO"
button and the remote controller won’t send signal.
● Sleep function and energy-saving function can’t operate at the same time. If
energy-saving function has been set under cooling mode, press sleep button will
cancel energy-saving function. If sleep function has been set under cooling
mode, start up the energy-saving function will cancel sleep function.
8℃ heating function
Under heating mode, press "TEMP" and "CLOCK" buttons simultaneously to start
up or turn off 8℃ heating function. When this function is started up, " " and "8℃ "
will be shown on remote controller, and the air conditioner keep the heating status
at 8℃ . Press "TEMP" and "CLOCK" buttons simultaneously again to exit 8℃
heating function.
Note:
● Under 8℃ heating function, fan speed is defaulted at auto speed and it can’t be
adjusted.
● Under 8℃ heating function, set temperature can’t be adjusted. Press "TURBO"
button and the remote controller won’t send signal.
● Sleep function and 8℃ heating function can’t operate at the same time. If 8℃
heating function has been set under cooling mode, press sleep button will cancel
8℃ heating function. If sleep function has been set under cooling mode, start up
the 8℃ heating function will cancel sleep function.
● Under ℉ temperature display, the remote controller will display 46 ℉ heating.
Child lock function
▲
Press "▲" and " " simultaneously to turn on or turn off child lock function. When
child lock function is on, " " icon is displayed on remote controller. If you operate
the remote controller, the " " icon will blink three times without sending signal to
the unit.
Temperature display switchover function
Under OFF status, press " " and "MODE" buttons simultaneously to switch temperature display between ℃ and ℉ .
▲
18
Operation guide
1. After putting through the power, press "ON/OFF" button on remote controller to
turn on the air conditioner.
2. Press "MODE" button to select your required mode: AUTO, COOL, DRY, FAN,
HEAT.
3. Press "▲" or " " button to set your required temperature. (Temperature can’t
be adjusted under auto mode).
4. Press "FAN" button to set your required fan speed: auto, low, medium and high
speed.
5. Press "SWING" button to select fan blowing angle.
▲
Replacement of batteries in remote controller
1. Press the back side of remote controller marked
the cover of battery box along the arrow direction.
2. Replace two 7# (AAA 1.5V) dry batteries, and
make sure the position of "+" polar and "-" polar
are correct.
3. Reinstall the cover of battery box.
signal sender
battery
reinstall
remove
Cover of battery box
NOTICE
● During operation, point the remote control signal sender at the receiving
window on indoor unit.
● The distance between signal sender and receiving window should be no
more than 8m, and there should be no obstacles between them.
or wireless telephone; remote controller should be close to indoor unit during
operation.
● Replace new batteries of the same model when replacement is required.
● When you don’t use remote controller for a long time, please take out the
batteries.
● If the display on remote controller is fuzzy or there’s no display, please
replace batteries.
19
Emergency operation
If remote controller is lost or damaged, please use auxiliary button to turn
on or turn off the air conditioner. The operation in details are as below:
air conditioner. When the air conditioner is turned on, it will operate under
auto mode.
panel
aux. button
Clean and maintenance
WARNING
■ Turn off the air conditioner and disconnect the power before cleaning the air
conditioner to avoid electric shock.
■ Do not wash the air conditioner with water to avoid electric shock.
■ Do not use volatile liquid to clean the air conditioner.
Clean surface of indoor unit
When the surface of indoor unit is dirty, it is recommended to use a soft dry cloth
or wet cloth to wipe it.
NOTICE:
● Do not remove the panel when cleaning it.
20
Clean and maintenance
1
Open panel
3
Pull out the panel to a certain
● Use dust catcher or water to
the water (below 45℃ ) to clean
it, and then put it in a shady
and cool place to dry.
2
4
panel cover tightly.
WARNING
operation environment, clean frequency can be increased.
21
Clean and maintenance
NOTICE: Checking before use-season
1. Check whether air inlets and air outlets are blocked.
2. Check whether air switch, plug and socket are in good condition.
4. Check whether mounting bracket for outdoor unit is damaged or corroded.
If yes, please contact dealer.
5. Check whether drainage pipe is damaged.
NOTICE: Checking after use-season
1. Disconnect power supply.
3. Check whether mounting bracket for outdoor unit is damaged or corroded.
If yes, please contact dealer.
Notice for recovery
1. Many packing materials are recyclable materials.
Please dispose them in appropriate recycling unit.
2. If you want to dispose the air conditioner, please contact local dealer or
consultant service center for the correct disposal method.
22
Malfunction analysis
General phenomenon analysis
Please check below items before asking for maintenance. If the malfunction still
Phenomenon
Check items
Solution
● Whether it's interfered severely ● Pull out the plug. Reinsert
(such as static electricity, stable the plug after about 3min, and
voltage)?
then turn on the unit again.
Indoor unit
can’t receive
remote
controller’s
signal or
remote
controller
has no
action.
● Whether remote controller is
within the signal receiving
range?
● Signal receiving range is 8m.
● Whether there are obstacles?
● Remove obstacles.
● Whether remote controller is
● Select proper angle and point
pointing at the receiving
the remote controller at the rewindow?
ceiving window on indoor unit.
● Is sensitivity of remote contro- ● Check the batteries. If the
power of batteries is too low,
ller low; fuzzy display and no
please replace them.
display?
● Check whether remote cont● No display when operating
roller appears to be damaged.
remote controller?
If yes, replace it.
● Fluorescent lamp in room?
● Take the remote controller
close to indoor unit.
and then try it again.
No air
emitted
from
indoor
unit
● Air inlet or air outlet of indoor
unit is blocked?
● Eliminate obstacles.
● Under heating mode, indoor
temperature is reached to set
temperature?
● After reaching to set temperature, indoor unit will stop blowing out air.
● In order to prevent blowing
out cold air, indoor unit will be
● Heating mode is turned on just
started after delaying for sevnow?
eral minutes, which is a normal phenomenon.
23
Malfunction analysis
Phenomenon
Air conditioner can’t
operate
Mist is emitted from
indoor unit’s
air outlet
Set temperature can’t
be adjusted
Cooling
(heating)
effect is
not good.
Check items
Solution
● Power failure?
● Wait until power recovery.
● Is plug loose?
● Reinsert the plug.
● Air switch trips off or fuse is
burnt out?
● Ask professional to replace
air switch or fuse.
● Wiring has malfunction?
● Ask professional to replace it.
● Unit has restarted immediately
● Wait for 3min, and then turn
after stopping operation?
on the unit again.
● Whether the function setting
for remote controller is
correct?
● Reset the function.
● Indoor temperature and humidity is high?
● Because indoor air is cooled
rapidly. After a while, indoor
temperature and humidity will
be decrease and mist will
disappear.
● Unit is operating under auto
mode?
● Temperature can’t be adjusted under auto mode.
Please switch the operation
mode if you need to adjust
temperature.
● Your required temperature
exceeds the set temperature
range?
● Set temperature range:
16℃ ~30℃ .
● Voltage is too low?
● Wait until the voltage
resumes normal.
● Filter is dirty?
● Set temperature is in proper
range?
● Adjust temperature to proper
range.
● Door and window are open?
● Close door and window.
24
Malfunction analysis
Phenomenon
Odours are
emitted
Check items
Solution
● Whether there’s odour source, ● Eliminate the odour source.
such as furniture and cigarette,
etc.
Air conditioner ● Whether there’s interference,
such as thunder, wireless
operates normally suddenly devices, etc.
Outdoor
unit has
vapor
“Water
noise
Cracking
noise
● Heating mode is turned on?
● Air conditioner is turned on or
turned off just now?
● Air conditioner is turned on or
turned off just now?
25
● Disconnect power, put back
power, and then turn on the
unit again.
● During defrosting under heating mode, it may generate
vapor, which is a normal
phenomenon.
● The noise is the sound of
the unit, which is a normal
phenomenon.
● This is the sound of friction
caused by expansion and/or
contraction of panel or other
parts due to the change of
temperature.
Malfunction analysis
Error Code
● When air conditioner status is abnormal, temperature indictor on indoor unit will
ation of error code.
Indoor
display
Error code
Error code
U8
H6
Above indicator diagram is only
for reference. Please refer to
actual product for the actual
indicator and position.
Troubleshooting
It can be eliminated after restarting the unit. If not, please
It can be eliminated after restarting the unit. If not, please
C5
F1
F2
Note: If there're other error codes, please contact qualified professionals for
service.
WARNING
■ When below phenomenon occurs, please turn off air conditioner and disconfor service.
● Power cord is overheating or damaged.
● There’s abnormal sound during operation.
● Air switch trips off frequently.
● Air conditioner gives off burning smell.
● Indoor unit is leaking.
■ If the air conditioner operates under abnormal conditions, it may cause
26
At least 15cm
Space to the ceiling
Installation dimension diagram
Space to the wall
At least 15cm
At least 15cm
Space to the wall
the
At least 250cm
to
on
cti
tru
s
ob
Space to the obstruction
50cm Above
Sp
e
ac
le
m
0c
30
ri
Ai
e
id
ts
e
nl
cm
30
e
ov
Ab
30cm Above
Space to the wall
e
ov
200
0cm
At
t
as
Ab
50cm Above
Space to the wall
Air outlet side
27
Tools for installation
1 Level meter
2 Screw driver
3 Impact drill
4 Drill head
5 Pipe expander
6 Torque wrench
7 Open-end wrench
8 Pipe cutter
9 Leakage detector
10 Vacuum pump
11 Pressure meter
12 Universal meter
13 Inner hexagon spanner
Note:
14 Measuring tape
● Please contact the local agent for installation.
Selection of installation location
Basic requirement
Installing the unit in the following places maycause malfunction. If it is unavoidable, please consult the local
dealer:
1.The place with strong heat sources,
,
or volatile objects spread in the air.
2.The place with high-frequency
devices (such as welding machine,
medical equipment).
3.The place near coast area.
4.The place with oil or fumes in the air.
5.The place with sulfureted gas.
6.Other places with special circumstances.
7.The appliance shall not be installed
in the laundry.
Indoor unit
1. There should be no obstruction near air
inlet and air outlet.
2. Select a location where the condensation water can be dispersed easily and
won't affect other people.
3. Select a location which is convenient to
connect the outdoor unit and near the
power socket.
4. Select a location which is out of reach
for children.
5. The location should be able to withstand
the weight of indoor unit and won't increase noise and vibration.
6. The appliance must be installed 2.5m
7. Don't install the indoor unit right above
the electric appliance.
8. Please try your best to keep way from
Outdoor unit
will not affect neighborhood.
2. The location should be well ventilated and dry, in which the outdoor unit
won't be exposed directly to sunlight or strong wind.
3. The location should be able to withstand the weight of outdoor unit.
4. Make sure that the installation follows the requirement of installation
dimension diagram.
5. Select a location which is out of reach for children and far away from animals
or plants. If it is unavoidable, please add the fence for safety purpose.
28
Requirements for electric connection
Safety precaution
1. Must follow the electric safety regulations when installing the unit.
air switch.
3. Make sure the power supply matches with the requirement of air conditioner.
Unstable power supply or incorrect wiring or malfunction. Please install proper
power supply cables before using the air conditioner.
4. Properly connect the live wire, neutral wire and grounding wire of power socket.
5. Be sure to cut off the power supply before proceeding any work related to
electricity and safety.
7. If the supply cord is damaged, it must be replaced by the manufacturer, its
8. The temperature of refrigerant circuit will be high, please keep the interconnection cable away from the copper tube.
9. The appliance shall be installed in accordance with national wiring regulations.
Grounding requirement
grounding with specialized grounding device by a professional. Please make
sure it is always grounded effectively, otherwise it may cause electric shock.
2. The yellow-green wire in air conditioner is grounding wire, which can't be used
for other purposes.
3. The grounding resistance should comply with national electric safety regulations.
4. The appliance must be positioned so that the plug is accessible.
5. An all-pole disconnection switch having a contact separation of at least 3mm in
For models with a power plug, make
sure the plug is within reach after installation.
6. Including an air switch with suitable capacity, please note the following table. Air
switch 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)
Air-conditioner Air switch capacity
12K
16A
18、24K
25A
28K
32A
29
Installation of indoor unit
Step one: choosing installation location
rm it with the client.
Step two: install wall-mounting frame
1. Hang the wall-mounting frame on the wall; adjust it in horizontal position with the
plastic expansion particles in the holes.
3. Fix the wall-mounting frame on the wall with tapping screws (ST4.2X25TA) and
.
Step three: open piping hole
1. Choose the position of piping hole according to the direction of outlet pipe. The
position of piping hole should be a little lower than the wall-mounted frame,
shown as below.
12K:
Wall
Space
to the
wall
above
150mm
18K:
Mark in the middle of it
Left
Φ55
Rear piping hole
Level meter
Wall
Wall
Space
to the
wall
above
150mm
Space
to the
wall
above
150mm
Mark in the middle of it
Left
Φ55
Rear piping hole
Right
Φ55
Rear piping hole
Level meter
Wall
Space
to the
wall
above
150mm
Right
Φ55
Rear piping hole
24、28K:
Wall
Space
to the
wall
above
150mm
Mark in the middle of it
Left
Φ70mm
Rear piping hole
Level meter
Wall
Space
to the
wall
above
150mm
Right
Φ70mm
Rear piping hole
2. Open a piping hole with the diameter of Φ55 or Φ70 on the selected outlet pipe
position. In order to drain smoothly, slant the piping hole on the wall slightly
downward to the outdoor side with the gradient of 5-10°.
30
Installation of indoor unit
Indoor
outdoor
Note:
● Pay attention to dust prevention and
take relevant safety measures when
opening the hole.
● The plastic expansion particles are
not provided and should be bought
locally.
Φ55/
Φ70
5-10
Step four: outlet pipe
2. When select leading out the pipe
from left or right, please cut off the
corresponding hole on the bottom
case.
1. The pipe can be led out in the
direction of right, rear right, left or
rear left.
left
right
left
rear right
rear left
right
cut off
the hole
1. Aim the pipe joint at the corresponding
bellmouth.
pipe joint
union nut
pipe
2. Pretightening the union nut with hand.
3. Adjust the torque force by referring to the following sheet. Place the open-end
wrench on the pipe joint and place the torque wrench on the union nut. Tighten
the union nut with torque wrench.
31
Installation of indoor unit
open-end
wrench
union nut
torque wrench
pipe
Hex nut diameter Tightening torque (N.m)
Φ6
15~20
Φ 9.52
30~40
Φ 12
45~55
Φ 16
60~65
Φ 19
70~75
indoor pipe
4. Wrap the indoor pipe and joint of connection pipe with insulating pipe, and
then wrap it with tape.
insulating pipe
Step six: install drain hose
1. Connect the drain hose to the outlet pipe of
indoor unit.
drain hose
outlet pipe
2. Bind the joint with tape.
outlet
pipe
tape
drain hose
drain hose
Note:
● Add insulating pipe in the indoor
drain hose in order to prevent
condensation.
● The plastic expansion particles are
not provided.
insulating pipe
Step seven: connect wire of indoor unit
panel
screw
1. Open the panel, remove the screw
on the wiring cover and then take
down the cover.
wiring cover
32
Installation of indoor unit
2. Make the power connection wire go
through the cable-cross hole at the back
of indoor unit and then pull it out from
the front side.
cable-cross
hole
power connection
wire
3. Remove the wire clip; connect the power connection wire to the wiring terminal
with wire clip.
12K Cool only type:
N(1)
18、24、28K Cool only type:
2
N(1)
blue black
Outdoor unit connection
12K Heat pump type:
N(1) 2
4
3
blue black brown yellowgreen
yellowgreen
Outdoor unit connection
yellowgreen
2
28K Heat pump type:
N(1)
5
2
3
blue black brown yellowgreen
blue black violet orange
Outdoor unit connection
Outdoor unit connection
18、24K Heat pump type:
N(1) 2
yellowgreen
3
4
5
blue black brown violet orange
Outdoor unit connection
4.Put wiring cover back and then tighten the screw.
5.Close the panel.
Note:
● All wires of indoor unit and outdoor unit should be connected by a professional.
for a new one. Avoid extending the wire by yourself.
installation.
● For the air conditioner without plug, an circuit break must be installed in the line.
The circuit break should be all-pole parting and the contact parting distance
should be more than 3mm.
33
Installation of indoor unit
Step eight: bind up pipe
1. Bind up the connection pipe, power
cord and drain hose with the band.
indoor unit
gas
pipe
connection pipe
drain hose
band
indoor and
outdoor power cord
indoor power cord
liquid pipe
band
3. Bind them evenly.
4. The liquid pipe and gas pipe should
be bound separately at the end.
drain hose
2. Reserve a certain length of drain
hose and power cord for installation
when binding them. When binding to
a certain degree, separate the indoor
power and then separate the drain
hose.
Note:
● The power cord and control wire
can't be crossed or winding.
● The drain hose should be bound
at the bottom.
Step nine: hang the indoor unit
1. Put the bound pipes in the wall pipe and then make them pass through the wall
hole.
2. Hang the indoor unit on the wall-mounting frame.
3. Stuff the gap between pipes and wall hole with sealing gum.
4. Fix the wall pipe.
indoor
wall pipe
upper hook
outdoor
sealing gum
lower hook of
wall-mounting frame
Note:
● Do not bend the drain hose too excessively in order to prevent blocking.
34
Installation of outdoor unit
(select it according to the actual installation situation)
1. Select installation location according to the house structure.
2. Fix the support of outdoor unit on the selected location with expansion screws.
Note:
installing the outdoor unit.
● Make sure the support can withstand at least
four times of the unit weight.
● The outdoor unit should be installed at least
joint.
● For the unit with cooling capacity of 2300W
~5000W, 6 expansion screws are needed;
for the unit with cooling capacity of 6000W
~8000W, 8 expansion screws are needed;
for the unit with cooling capacity of 10000W
~16000W, 10 expansion screws are needed.
Step two: install drain joint
(Only for cooling and heating
unit)
1. Place the outdoor unit on the
support.
2. Fix the foot holes of outdoor unit
with bolts.
1. Connect the outdoor drain joint into
the hole on the chassis, as shown in
the picture below.
2. Connect the drain hose into the drain
vent.
drain vent
Drain hose
at least 3cm above the floor
foot holes
foot holes
chassis
outdoor drain joint
35
Installation of outdoor unit
Step four: connect indoor and outdoor pipes
1. Remove the screw cap of valve and
aim the pipe joint at the bellmouth of
pipe.
3. Tighten the union nut with torque
wrench by referring to the sheet
below.
torque
Hex nut diameter Tightening
(N.m)
Φ6
15~20
Φ 9.52
30~40
Φ 12
45~55
Φ 16
60~65
Φ 19
70~75
liquid pipe
gas pipe
liquid
valve
gas valve
2. Pretightening the union nut with
hand.
pipe joint
union nut
1. Remove the wire clip or front plate; connect the power connection wire and
signal control wire (only for cooling and heating unit) to the wiring terminal according to the color; fix them with screws.
12K Cool only type:
18、24K Cool only type:
N(1)
N(1) 2
blue black
(brown)
yellowgreen
Indoor unit connection
blue
yellowgreen
4
3
brown
yellowgreen
18、24K Heat pump type:
5
blue black violet orange
black
Indoor unit connection
12K Heat pump type:
N(1) 2
2
N(1) 2 3 4
5
yellow- blue black brown violet orange
green
Indoor unit connection
Indoor unit connection
front plate
36
28K:
N(1) 2
yellowgreen
blue black brown
3 N(7) 8
blue brown
N
L
Indoor unit connection
yellowgreen
POWER
Installation of outdoor unit
2. Fix the power connection wire and signal control wire with wire clip (only for
cooling and heating unit).
Note:
● Never cut the power connection wire to prolong or shorten the distance.
Step six: neaten the pipes
1. The pipes should be placed along the wall,
bent reasonably and hidden possibly. Min.
semidiameter of bending the pipe is 10cm.
2. If the outdoor unit is higher than the wall
hole, you must set a U-shaped curve in the
pipe before pipe goes into the room, in
order to prevent rain from getting into the
room.
wall
U-shaped curve
drain hose
Note:
● The through-wal height of drain hose
shouldn't be higher than the outlet
pipe hole of indoor unit.
● Slant the drain hose slightly downwards. The drain hose can't be
the drain hose
can't raise
upwards.
The drain hose can't be fluctuant
● The water outlet can't be placed
in water in order to drain smoothly.
The drain hose
can't be fluctuant
The water outlet
can't be placed
in water
37
The water
outlet can't be
fluctuant
Vacuum pumping
Use vacuum pump
1. Remove the valve caps on
piezometer
liquid valve
Lo
Hi
the liquid valve and gas
valve and the nut of refrigas valve
gerant charging vent.
refrigerant charging
valve cap
2. Connect the charging hose vent
of piezometer to the refrinut of refrigerant
gerant charging vent of gas charging vent
valve and then connect the
other charging hose to the
vacuum pump
vacuum pump.
3. Open the piezometer cominner hexagon
pletely and operate for
spanner
10-15min to check if the
pressure of piezometer reclose
mains in -0.1MPa.
open
4. Close the vacuum pump
and maintain this status for
1-2min to check if the pressure of piezometer remains
in -0.1MPa. If the pressure decreases, there may be leakage.
5. Remove the piezometer, open the valve core of liquid valve and gas valve
completely with inner hexagon spanner.
6. Tighten the screw caps of valves and refrigerant charging vent.
7. Reinstall the handle.
Leakage detection
1. With leakage detector:
Check if there is leakage with leakage detector.
2. With soap water:
If leakage detector is not available, please use soap water for leakage detection.
Apply soap water at the suspected position and keep the soap water for more
than 3min. If there are air bubbles coming out of this position, there's a leakage.
38
Check after installation
Items to be checked
Possible malfunction
The unit may drop, shake or emit noise.
Have you done the refrigerant leakage
test?
(heating) capacity.
It may cause condensation and water
dripping.
Is water drained well?
It may cause condensation and water
dripping.
Is the voltage of power supply according to the voltage marked on the
nameplate?
It may cause malfunction or damaging
the parts.
Is electric wiring and pipeline installed
correctly?
It may cause malfunction or damaging
the parts.
Is the unit grounded securely?
It may cause electric leakage.
Does the power cord follow the speci-
It may cause malfunction or damaging
the parts.
Is there any obstruction in the air inlet
and outlet?
(heating) capacity.
The dust and sundries caused during
installation are removed?
It may cause malfunction or damaging
the parts.
The gas valve and liquid valve of
connection pipe are open completely?
(heating) capacity.
Test operation
1. Preparation of test operation
● The client approves the air conditioner.
● Specify the important notes for air conditioner to the client.
2. Method of test operation
● Put through the power, press ON/OFF button on the remote controller to start
operation.
● Press MODE button to select AUTO, COOL, DRY, FAN and HEAT to check
whether the operation is normal or not.
● If the ambient temperature is lower than 16℃ , the air conditioner can’t
start cooling.
39
Configuration of connection pipe
1. Standard length of connection pipe
● 5m, 7.5m, 8m.
2.Min. length of connection pipe is 3m.
3.Max. length of connection pipe and max. high difference.
Cooling
capacity
Max length
Max height
of connecdifference
tion pipe
Cooling
capacity
Max length
Max height
of connecdifference
tion pipe
5000Btu/h
(1465W)
15
5
24000Btu/h
(7032W)
25
10
7000Btu/h
(2051W)
15
5
28000Btu/h
(8204W)
30
10
9000Btu/h
(2637W)
15
5
36000Btu/h
(10548W)
30
20
12000Btu/h
(3516W)
20
10
42000Btu/h
(12306W)
30
20
18000Btu/h
(5274W)
25
10
48000Btu/h
(14064W)
30
20
4. The additional refrigerant oil and refrigerant charging required 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 basis
of liquid pipe):
Additional refrigerant charging amount = prolonged length of liquid pipe ×
additional refrigerant charging amount per meter
● 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 the
following sheet.
40
Configuration of connection pipe
Additional refrigerant charging amount for R22, R407C, R410A and R134a
Diameter of connection pipe
Outdoor unit throttle
Liquid pipe(mm)
Gas pipe(mm)
Φ6
Φ9.52 or Φ12
15
20
Φ6 or Φ9.52
Φ16 or Φ19
15
50
Φ12
Φ19 or Φ22.2
30
120
Φ16
Φ25.4 or Φ31.8
60
120
Φ19
_
250
250
Φ22.2
_
350
350
Cooling only(g/m) Cooling and heating(g/m)
For model: UTS24LSR-7
Diameter of connection pipe
Outdoor unit throttle
Liquid pipe(mm)
Gas pipe(mm)
Cooling only(g/m)
Φ6
Φ16
10
41
Pipe expanding method
Note:
Improper pipe expanding is the main cause of refrigerant leakage. Please expand
the pipe according to the following steps:
A: Cut the pipe
E: Expand the port
● Expand the port with expander.
the distance of indoor unit and
outdoor unit.
● Cut the required pipe with pipe cutter.
hard
mold
expander
pipe
pipe
pipe cutter
leaning
uneven
Note:
● "A" is different according to the
diameter, please refer to the sheet
below:
burr
B: Remove the burrs
● Remove the burrs with shaper and
prevent the burrs from getting into
the pipe.
pipe
shaper
downwards
A(mm)
Outer diameter
(mm)
Max
Min
Φ6-6.35(1/4")
1.3
0.7
Φ9.52(3/8")
1.6
1.0
Φ12-12.7(1/2")
1.8
1.0
Φ15.8-16(5/8")
2.4
2.2
F: Inspection
● Check the quality of expanding port.
If there is any blemish, expand the
port again according to the steps
above.
C: Put on suitable insulating pipe
D: Put on the union nut
● Remove the union nut on the indoor
connection pipe and outdoor valve;
install the union nut on the pipe.
smooth surface
improper expanding
union pipe
leaning
pipe
the length is equal
42
damaged
surface
crack
uneven
thickness
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