Cooper & Hunter ICY II Series User manual

Designed by Cooper&Hunter International Corporation, Oregon, USA
www.cooperandhunter.com
For proper operation, please read and keep this manual carefully.
EN
Heat Pump Air To Air
Split Air Conditioner
M ODELS :
OWNER’S MANUAL
CH-S09FTXTB2S-W
CH-S12FTXTB2S-W
CH-S18FTXTB2S-W
CH-S24FTXTB2S-W
ICY II Series

Precautions
WARNING
Do not connect air conditioner to multi-purpose socket.
This appliance can be used by children aged from 8
Operation and Maintenance
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 spray water on indoor unit. It may cause electric
shock or malfunction.
Otherwise, it may cause fire hazard.
Children shall not play with the appliance.
Cleaning and user maintenance shall not be made by
children without supervision.
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.
Do not wash the air conditioner with water to avoid
electric shock.
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.
Do disconnect power supply when cleaning air
conditioner. Otherwise, it may cause electric shock.
.
1

Do not block air outlet or air inlet. It may cause
malfunction.
remote controller may be broken.
●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.
contact the dealer or qualified professionals for service.
When turning on or turning off the unit by emergency
operation switch, please press this switch with an insulating
object other than metal.
outlet. It may cause personal injury or damage.
Precautions
WARNING
conditioner and disconnect power immediately, and then
If the air conditioner operates under abnormal conditions,
it may cause malfunction, electric shock or fire hazard.
Do not spill water on the remote controller, otherwise the
electric shock or damage. Please contact dealer when
you need to repair air conditioner.
Do not repair air conditioner by yourself. It may cause
objects. It may cause damage or personal injury.
Do not step on top panel of outdoor unit, or put heavy
When below phenomenon occurs, please turn off air
Do not extend fingers or objects into air inlet or air
Maintenance must be performed by qualified
professionals. Otherwise, it may cause personal injury
or damage.
2

Do install the circuit break. If not, it may cause malfunction.
of at least 3mm in all poles should be connected in fixed
wiring.
magnet buckle and heating buckle function, it can protect
the circuit-short and overload.
power supply circuit and circuit break.
Precautions
WARNING
note the following table.Air switch should be included
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.
An all-pole disconnection switch having a contact separation
Must follow the electric safety regulations when installing
the unit.
grounding wire of power socket.
Properly connect the live wire, neutral wire and
any work related to electricity and safety.
Be sure to cut off the power supply before proceeding
Including an circuit break with suitable capacity, please
Air Conditioner should be properly grounded. Incorrect
Don't use unqualified power cord.
grounding may cause electric shock.
According to the local safety regulations, use qualified
Installation must be performed by qualified professionals.
Otherwise, it may cause personal injury or damage.
Attachment
3

Installation must be performed in accordance with the
persons in order to avoid a hazard.
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 appliance must be positioned so that the plug is
accessible.
If the length of power connection wire is insufficient, please
contact the supplier for a new one. Avoid extending the
wire by yourself.
All wires of indoor unit and outdoor unit should be
connected by a professional.
national wiring regulations.
requirement of NEC and CEC by authorized personnel
only.
Precautions
WARNING
wire, which can't be used for other purposes.
The grounding resistance should comply with national
electric safety regulations.
The air conditioner is the first class electric appliance. It
keep the interconnection cable away from the copper
tube.
The temperature of refrigerant circuit will be high, please
the manufacturer, its service agent or similarly qualified
If the supply cord is damaged, it must be replaced by
The yellow-green wire in air conditioner is grounding
The appliance shall be installed in accordance with
Do not put through the power before finishing installation.
4

The indoor unit should be installed close to the wall.
reachable after finishing installation.
far away from animals or plants.If it is unavoidable,
please add the fence for safety purpose.
Precautions
WARNING
place, only the qualified person can perform the work.
Otherwise, it may cause personal injury or damage.
If you need to relocate the air conditioner to another
must be installed in the line.
For the air conditioner without plug, an circuit break
Select a location which is out of reach for children and
For the air conditioner with plug, the plug should be
Working temperature range
Indoor side DB/WB(℃) Outdoor side DB/WB(℃)
Maximum cooling 32/23 43/26
Maximum heating 27/- 24/18
● The operating temperature range (outdoor temperature) for cooling only unit is
-15℃~48℃; for heat pump unit is -30℃~ 48℃.
NOTICE:
5

6
(Display content or position may be different from above
graphics, please refer to actual products)
Parts Name
Indoor Unit
Outdoor Unit
air inlet panel
horizontal louver
air outlet
heating indicator
temp. indicator
cooling indicator
power indicator
receiver window
aux.button
drying indicator
display
air inlet
handle
air outlet
NOTICE:
Actual product may be different from above graphics, please refer to actual
products.
remote controller

7
Buttons on remote controller
Introduction for icons on display screen
1
2
3
4
5
6
7
8
9
10
11
12
button
button
X-FAN button
QUIET button
SLEEP button
TEMP button
I FEEL button
13
14
15
16
TURBO button
LIGHT button
button
TIMER ON/
TIMER OFF button
CLOCK button
1
2
3
4
ON/OFF button
FAN button
MODE button
ON/OFF button
FAN button
+/- button
MODE button
3
4
2
1
(before opening cover (after opening cover
/
Send signal
Turbo mode
Set fan speed
Light
Temp. display type
: Set temp.
: Outdoor ambient temp.
: Indoor ambient temp.
Sleep mode
Clock
Heat mode
Fan mode
Dry mode
Cool mode
Auto mode
Operation mode
I feel
Healthy mode
Scavenging functions
Quiet
1
15
5
26
3
12
16
4
11
8
9
13
7
10
14
This is a general remote controller. Some
models have this function while some do
not. Please refer to the actual models.
8℃heating function
Set temperature
X-FAN function
Set time
TIMER ON /TIMER OFF
Child lock
Up & down swing
Left & right swing
+/- button

8
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.
● Under off status, set temperature and clock icon will be displayed on the display
of remote controller (If timer on, timer off and light functions are set, the corre-
sponding icons will be displayed on the display of remote controller at the same
time); Under on status, the display will show the corresponding set function icons.
ON/OFF button
1
Press this button, the unit will be turned on, press it once more, the unit will be turn-
ed off. Sleep function will be canceled, while unit off.
FAN button
2
Press this button, Auto, Low, Medium-low, Medium, Medium-high, High speed can
MODE button
3
Press this button, Auto, Cool, Dry, Fan, Heat mode can be selected circularly. Auto
+/- button
4
Presetting temperature can be increased. Press this button, the temperature can be
set up, continuously press this button and hold for two seconds, the relative contents
can quickly change, until unhold this button and send the order that the ℃(℉) signal
will be displayed all the time. The temperature adjustment is unavailable under the
Auto mode, but the order can be sent if pressing this button. Temperature of Celsius
degree setting: 16-30; for Fahrenheit degree setting: 61-86.
mode is default while power on. Under Auto mode, the temperature will not be
displayed; Under Heat mode, the initial value is 28℃(82℉); Under other modes,
the
(only for cooling and heating unit. As for cooling only unit, it won’t have any action
when it receives the signal of heating operation.)
be circularly selected. After powered on, Auto fan speed is default. Under DRY
mode, Low fan speed only can be set up.
Note: It’s Low fan speed
under Dry mode.
Medium fanLow fan
High fan
Medium-low fan
Medium-high fan
ATUO
AUTO COOL DRY
FAN HEAT
●This is a general use remote controller, it could be used for the air conditioners
with multifunction; For some function, which the model don't have, if press the
corresponding button on the remote controller that the unit will keep the original
running status.
Note: If matching with smart zone controller for operation, under auto fan speed, the
fan speed display on smart zone controller will always be maintained at “auto high fan”.
initial value is 25℃(77 ℉ ).

9
Introduction for buttons on remote controller
TURBO button
5
Presetting temperature can be decreased. Press this button, the temperature can
be set up, continuously press this button and hold for two seconds, the relative
contents can quickly change, until unhold this button and send the order that the
℃ (℉) signal will be displayed all the time. The temperature adjustment is
unavailable under the Auto mode, but the order can be sent by if pressing this
button.
6
Press this button to set left & right swing angle cycling as below:
Under Cool or Heat mode, press this button can turn on or turn off the Turbo function.
After the Turbo function turned on, the signal of Turbo will display. The signal will
be automatically cancelled if changing the mode or fan speed.
Timer On setting: Sign al “ON” will blink and display, signal

will conceal, the num-
erical section will become the timer on setting status. During 5 seconds blink, by
pressing + or - button to adjust the time value of numerical section, every press of
that button, the value will be increased or decreased 1 minute. Hold pressing + or -
button (OPTION)
7
Press this button to set swing angle, which circularly changes as below:
This remote controller is universal. If it receives threes kinds of following status, the
swing angle will remain original.
If guide louver is stopped when it is swinging up and down, it will remian its present
position.
indicates guide louver swings back and forth in the five places, as shown in the figure.
OFF
button
8
Press this button, the clock can be set up, signal


blink and display. Within 5 seconds,
the value can be adjusted by pressing + or - button, if continuously press this button for 2
seconds above, in every 0.5 seconds, the value on ten place ofMinutewill be increased 1.
During blinking, repress the Clock button or Confirm button, signal

will be constantly
displayed and it denotes the setting succeeded. After powered on, 12:00 is defaulted to
display and signal
                      
will be displayed. If there is signal

be displayed that denotes
the current time value is Clock value, otherwise is Timer value.
OFF
CLOCK button
9TIMER ON/TIMER OFF button

10
Introduction for buttons on remote controller
TEMP button
10
button, 2 seconds later, it quickly change, the way of change is: During the initial
2.5 seconds, ten numbers change in the one place of minute, then the one place
is constant, ten numbers change in the tens place of minu te at 2.5 seconds speed
and carry. During 5s blink, press the Timer button, the timer setting succeeds. The
Timer On has been set up, repress the timer button, the Timer On will be canceled.
Before sett ing the Timer, please adjust the Clock to the current actual time.
One press this key to enter into TIMER OFF setup, in which case the TIMER OFF
icon will blink. The method of setting is the sameas for TIMER ON.
Press this button, you can see indoor set temperature, indoor ambient temperature
11
Press this button to achieve the on and off of healthy and scavenging functions in
operation status. Press this button for the first time to start scavenging function;
LCD displays " ". Press the button for the second time to start healthy and sc-
avenging 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 time to start healthy function; LCD display " ". Press this bu-
tton again to repeat the operation above.
NOTE: This function is applicable to partial of models.
or outdoor ambient temperature on indoor unit’s display. The setting on remote
controller is selected circularly as below:
When selecting " " with remote controller or no display, 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. 3s later it will return to the setting temprature or it
depends on the other received signal within 3s.
Attention: When displaying the outdoor ambient, the displaying range is 0-60℃
When it goes beyond the range, it keeps the threshold data (the smallest—0℃
and the largest 60℃).
Warm tips: When operating buttons on the cover please make sure the cover is
closed completely.
button
/
12
Press this button once, to turn on the I FEEL function, then the figure of "I FEEL"
will be displayed, after every press of other function button, every 200ms to send
I FEEL once, after this function started, the remote controller will send temperature
to the main un it in every 10 minutes. When repress this button, this function will be
turned off.
no display
I FEEL button

11
Introduction for buttons on remote controller
LIGHT button
13
Press this button at unit On or Off status, Light On and Light Off can be set up.
After powered on, Light On is defaulted.
X-FAN button
14
Pressing X-FAN button in COOL or DRY mode, the icon is displayed and the
QUIET button
15
Press this button, the Quiet status is under the Auto Quiet mode (display " "
SLEEP button
16
Press this button, can select Sleep 1 ( ), Sleep 2 ( ), Sleep 3 ( ) and
cancel the Sleep, circulate between these, after electrified, Sleep Cancel is de-
faulted.
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.
Under the Quiet mode (Display " " signal).
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.
Sleep 1 is Sleep mode 1, in Cool, Dehumidify modes: sleep status after run for
one hour, the main unit setting temperature will increase 1℃, 2 hours, setting
te mperature increased 2℃, the unit will run at this setting temperature; In Heat
mode: sleep status after run for one hour, the setting temperature will decrease
1℃, 2 hours, setting temperature will decrease 2℃, then the unit will run at this
setting temperature.
Sleep 2 is sleep mode 2, that is air conditioner will run according to the presetting
a group of sleep temperature curve.
In Cool mode:
(1) When setting the initial temperature 16℃-23℃, after turned on Sleep function,
(2) When setting the initial temperature 24℃-27℃, after turned on Sleep function,
(3) When setting the initial temperature 28℃-29℃, after turned on Sleep function,
the temperature will be increased 1℃in every hour, after 3℃the temperature
will be maintained, after 7hours, the temperature will be decreased 1℃, after
that the unit will keep on running under this temperature;
the temperature will be increased 1℃in every hour, after 2℃the temperature
will be maintained, after 7hours, the temperature will be decreased 1℃, after
that the unit will keep on running under this temperature;
the temperature will be increased 1℃in every hour, after 1℃the temperature
will be maintained, after 7hours, the temperature will be decreased 1℃, after
that the unit will keep on running under this temperature;

12
Introduction for buttons on remote controller
(4) When setting the initial temperature 30℃, under this temperature setting, after
7hours, the temperature will be decreased 1℃, after that the unit will keep on
running under this temperature;
perature all along.
Sleep 3 - the sleep curve setting under Sleep mode by DIY:
Sleep3 - the sleep curve setting under Sleep mode by DIY could be inquired:
The user could accord to sleep curve setting method to inquire the presetting sleep
curve, enter into user individuation sleep setting status, but do not change the tem-
perature, press "Turbo" button directly for confirmation.
Note: In the above presetting or enquiry procedure, if continuously within10s, there
is no button pressed, the sleep curve setting status will be automatically quit
and resume to display the original displaying. In the presetting or enquiry pr-
ocedure, press "ON/OFF" button, "Mode" button, "Timer" button or "Sleep"
button, the sleep curve setting or enquiry status will quit similarly.
In Heat mode:
(1) Under the initial presetting temperature 16℃, it will run under this setting tem-
up, the temperature will decrease 1℃in every hour, after 1℃decreased, this
temperature will be maintained.
(2) Under the initial presetting temperature17℃-20℃, after Sleep function started
up, the temperature will decrease 1℃in every hour, after 2℃decreased, this
temperature will be maintained.
(3) Under the initial presetting temperature 21℃-27℃, after Sleep function started
up, the temperature will decrease 1℃in every hour, after 3℃decreased, this
temperature will be maintained.
(4) Under the initial presetting temperature 28℃-30℃, after Sleep function started
ters into user individuation sleep setting status, at this time, the time of remote
controller will display "1hour", the setting temperature "88" will display the corr-
esponding temperature of last setting sleep curve and blink (The first entering
will display according to the initial curve setting value of original factory);
(1) Under Sleep 3 mode, press "Turbo" button for a long time, remote controller en-
(2) Adjust "+" and "-" button, could change the corresponding setting temperature,
after adjusted, press "Trubo" button for confirmation;
remote controller, (that are "2hours" or "3hours" or "8hours"), the place of
setting temperature "88" will display the corresponding temperature of last
setting sleep curve and blink;
(3) At this time, 1hour will be automatically increased at the timer postion on the
sleep curve setting finished, at this time, the remote controller will resume the
original timer display; temperature display will resume to original setting tem-
perature.
(4) Repeat the above step (2)~(3) operation, until 8hours temperature setting finished,

13
Introduction for special function
About X-FAN function
This function indicates that moisture on evaporator of indoor unit will be blowed after
the unit is stopped to avoid mould.
indoor fan will continue running for about 2 min. at low speed. In this period, press
X-FAN button to stop indoor fan directly.
1. Having set X-FAN function on: After turning off the unit by pressing ON/OFF button
the complete unit will be off directly.
2. Having set X-FAN function off: After turning off the unit by pressing ON/OFF button,
About AUTO RUN
When AUTO RUN mode is selected, the setting temperature will not be displayed on
the LCD, the unit will be in accordance with the room temp. automatically to select the
suitable running method and to make ambient comfortable.
About turbo function
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.
About lock
Press + and - buttons simultaneously to lock or unlock the keyboard. If the remote co-
ntroller is locked, the icon will be displayed on it, in which case, press any button,
the mark will flicker for three times. If the keyboard is unlocked, the mark will disappear.
About swing up and down
1. Press swing up and down button continuously more than 2s, the m ain unit will swing
backand forth from up to down , and then loosen the button, the unit will stop swing
and present position of guide louver will be kept immediately.
2. 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 this button
again within 2s, the change of swing status will also depend on the circulation seque-
nce stated above.
About swing left and right
1. Press swing left and right 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 swing
and present position of guide louver will be kept immediately.
2. 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 sequ-
ence stated above.

14
Introduction for special function
About switch between Fahrenheit and Centigrade
Under status of unit off, press MODE and - buttons simultaneously to switch ℃and ℉.
Combination of "TEMP" and "CLOCK" buttons:
About Energy - saving Function
Press “TEMP” and “CLOCK” simultaneously in COOL mode to start energy-saving fun-
ction. Nixie tube on the remote controller displays “SE”. Repeat the operation to quit
the function.
About auto Quiet function
When quiet function is selected:
About Sleep function
Under the Fan and Auto mode, the Sleep function cannot be set up, under Dehumidify
mode, only Sleep 1 can be selected. Select and enter into any kind of Sleep mode, the
Quiet function will be attached and stared, different Quiet status could be optional and
turned off.
1. Under cooling mode: indoor fan operates at notch 4 speed. 10 minutes later or when
indoor ambient temperature≤28℃, indoor fan will operate at notch 2 speed or quiet
mode according to the comparison between indoor ambinet temperature and set
temperature.
2. Under heating mode: indoor fan operates at notch 3 speed or quiet mode according
to the comparison between indoor ambient temperature and set temperature.
cooling, heating or fan mode.
3. Under dry, fan mode: indoor fan operates at quiet mode.
4. Under auto mode: the indoor fan operates at the auto quiet mode according to actual
Combination of "TEMP" and "CLOCK" buttons:
About 8 ℃ Heating Function
Press “TEMP” and “CLOCK” simultaneously in HEAT mode to start 8 ℃ Heating Function
Nixie tube on the remote controller displays “ ” and a selected temperature of “8℃”.
(46℉if Fahrenheit is adopted). Repeat the operation to quit the function.
Note: If matching with smart zone controller for operation, the display on smart zone
controller will be maintained the original status.
WIFI Function
Press "MODE" and "TURBO" button simultaneously to turn on or turn off WIFI
function. When WIFI function is turned on, the " " icon will be displayed on
remote controller; Long press "MODE" and "TURBO" buttons simultaneously for
10s, remote controller will send WIFI reset code and then the WIFI function will be
turned on. WIFI function is defaulted ON after energization of the remote controller.
(This function only applicable for some models. )

15
Operation guide
Replacement of batteries in remote controller
General operation
1. After powered on, press ON/OFF button, the unit will start
2. Press MODE button, select desired running mode.
3. Pressing + or - button, to set the desired temperature (It is
4. Pressing FAN button, set fan speed, can select AUTO FAN,
5. Pressing and  button, to select the swing.
LOW, MEDIUM-LOW, MEDIUM, MEDIUM-HIGH and HIGH.
Optional operation
1. Press SLEEP button, to set sleep.
2. Press TIMER ON and TIMER OFF button, can set the
3. Press LIGHT button, to control the on and off of the
scheduled timer on or timer off.
displaying part of the unit (This function may be not
available for some units).
4. Press TURBO button, can realize the ON and OFF of
TURBO function.
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.
battery
Cover of battery box
remove
reinstall
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.
● Signal may be interfered easily in the room where there is fluorescent lamp
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.
5
1
2
3
4
1
2
3
4
to run. (Note: When it is powered on, the guide louver of
main unit will close automatically.)
unnecessary to set the temp. at AUTO mode.)

16
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:
conditioner. When the air conditioner is turned on, it will operate under
auto mode.
aux. button
panel
Clean and maintenance
WARNING:Use insulated object
to press the auto button
■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.
WARNING

Clean and maintenance
1
2
3
4
Open panel
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.
panel cover tightly.
operation environment, clean frequency can be increased.
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WARNING

Clean and Maintenance
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.
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.
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NOTICE: Checking before use-season
NOTICE: Checking after use-season

Malfunction analysis
General phenomenon analysis
Please check below items before asking for maintenance. If the malfunction still
can’t be eliminated, please contact local dealer or qualied professionals.
Phenomenon Check items Solution
Indoor unit
can’t receive
remote
controller’s
signal or
remote
controller
has no
action.
● Whether it's interfered severely
(such as static electricity,stable
voltage)?
● Whether remote controller is
within the signal receiving
range?
● Whether there are obstacles?
● Whether remote controller is
pointing at the receiving
window?
● Is sensitivity of remote contro-
ller low; fuzzy display and no
display?
● No display when operating
remote controller?
● Fluorescent lamp in room?
● Pull out the plug. Reinsert
the plug after about 3min, and
then turn on the unit again.
● Signal receiving range is 8m.
● Remove obstacles.
● Select proper angle and point
the remote controller at the re-
ceiving window on indoor unit.
● Check the batteries. If the
power of batteries is too low,
please replace them.
● Take the remote controller
close to indoor unit.
● Turn off the uoresent lamp
and then try it again.
● Check whether remote cont-
roller appears to be damaged.
If yes, replace it.
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 temper-
ature, indoor unit will stop bl-
owing out air.
● Heating mode is turned on just
now?
● In order to prevent blowing
out cold air, indoor unit will be
started after delaying for sev-
eral minutes, which is a nor-
mal phenomenon.
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