Tosot GWH12QB-K3DNB4D/I User manual

Split Air Conditioner
Thank you for choosing our product.
For proper operation, please read and keep this manual carefully.
GWH12QB-K3DNB4D/I
GWH18QD-K3DNB4D/I

This marking indicates that this product should not be disposed with other household wastes
throughout the EU. To prevent possible harm to the environment or human health from un-
controlled waste disposal, recycle it responsibly to promote the sustainable reuse of mate-
rial resources. To return your used device, please use the return and collection systems or
contact the retailer where the product was purchased. They can take this product for envi-
ronmental safe recycling.
Content
Operation Notices
Precautions............................................................................................................1
Parts Name............................................................................................................6
ScreenOperation Guide
Buttons on remote controller
................................................................................. 8
8
Introduction for buttons on remote controller.........................................................9
Function introduction for combination buttons......................................................11
Operation guide...................................................................................................12
Replacement of batteries in remote controller.....................................................12
Emergency operation .......................................................................................... 13
Maintenance
Clean and Maintenance....................................................................................... 13
Malfunction
Malfunction analysis ............................................................................................16
Installation Notice
Installation dimension diagram............................................................................20
Tools for installation.............................................................................................21
Selection of installation location ..........................................................................21
Requirements for electric connection ..................................................................22
Installation
Installation of indoor unit......................................................................................23
Check after installation ........................................................................................
28
Test and operation
Test operation......................................................................................................28
Attachment
.........................................................................29
Pipe expanding method
Configuration of connection pipe
.......................................................................................31
Introduction for icons on display screen ................................................................
This appliance is not intended for use by persons (including children) with reduced physical, sensory
or mental capabilities, or lack of experience and knowledge, unless they have been given supervision
or instruction concerning use of the appliance by a person responsible for their safety.
Children should be supervised to ensure that they do not play with the appliance.
R410A(R32/125: 50/50): 2087.5

Explanation of Symbols
Indicates a hazardous situation that, if not avoided, will
result in death or serious injury.
Indicates a hazardous situation that, if not avoided, could
result in death or serious injury.
Indicates a hazardous situation that, if not avoided, may
result in minor or moderate injury.
Indicates important but not hazard-related information,
used to indicate risk of property damage.
Indicates a hazard that would be assigned a signal word
WARNING or CAUTION.
WARNING
CAUTION
DANGER
NOTICE

1
Precautions
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.
WARNING

Do not block air outlet or air inlet. It may cause
malfunction.
remote controller may be broken.
ƔPower cord is overheating or damaged.
ƔThere’s abnormal sound during operation.
ƔCircuit break trips off frequently.
ƔAir conditioner gives off burning smell.
ƔIndoor 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.
2
Precautions
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.
WARNING

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.
3
Precautions
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
WARNING

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．
4
Precautions
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.
WARNING

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.
5
Precautions
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(°C) Outdoor side DB/WB(°C)
Maximum cooling 32/23 43/26
Maximum heating 27/- 24/18
ƔThe operating temperature range (outdoor temperature) for cooling is -15℃~43℃;
Heating temperature range for the model without electric heating belt for chassis
is -15℃~24 Heating temperature range for the model with electric heating belt
for chassis is -20℃~24℃.
NOTICE:
WARNING

6
(Display content or position may be different from above
graphics, please refer to actual products)
Parts Name
Indoor Unit
remote control
air inlet
panel
aux.button
horizontal louver
air outlet
NOTICE:
Actual product may be different from above graphics, please refer to actual
products.

Parts Name
Display content or position may be different from above graphics, please refer to actual
products.
Display
WRG
temp.
indicator
display
receiver
window
WRO
temp.
indicator
display
receiver
window
heating
indicator
temp.
indicator
cooling
indicator
power
indicator
receiver
window
drying
indicator display
For some model:
For some model:
For some model:
For some model:
heating
indicator
temp.
indicator
cooling
indicator
power
indicator
receiver
window
drying
indicator
display
G
W
R
Power LED color indicator:
Green-status-ON.
Red -status-OFF.
Mode LED color indicator:
White-W-Cool Mode-
Red-R-Heat Mode-
Green-G-Dry Mode-
O
W
R
Power LED color indicator:
Green-status-ON.
Red -status-OFF.
Mode LED color indicator:
White-W-Cool Mode-
Red-R-Heat Mode-
Orange-O-Dry Mode-
(only for heating model)
(only for heating model)
7

8
Buttons on remote controller
Introduction for icons on display screen
21
3
45
67
1
3
5
2
4
6
7
ON/OFF button
MODE button
+/- button
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SWING button
SLEEP button
TIMER button
Timer on Timer off
Sending signal
swing operation
sleep operation
lock
set speed
Set timeSet temperature
heat operation
fan operation
dry operation
cool operation
auto operation

9
Introduction for buttons on remote controller
Note:
Ɣ When power is connected (stand by condition), you can operate the air conditioner
through the remote controller.
Ɣ When unit is on, each time you press the button on remote controller, the sending
signal icon " " on the display of remote controller will blink once. If the air con-
ditioner gives out a beep sound, it means the signal has been sent.
Ɣ:KHQXQLWLVRff, set temperature will be displayed on the remote controller (If the
light of indoor unit display is turned on, the corresponding icon will be displayed);
When unit is on, it will display the icon of the on-going function.
Press this button to turn unit on/off.
ON/OFF button
1
Pressing this button once can select your required mode circularly as below (the
corresponding icon " " will be lit up after the mode is selected):
Ɣ
When selecting auto mode, air conditioner will operate automatically according to
ambient temperature. Set temperature can't be adjusted and won't be displayed
either. Press FAN button to adjust fan speed.
Ɣ:KHQVHOHFWLQJFRROPRGHDLUFRQGLWLRner will operate under cool mode. Then
press + or - button to adjust set temperature. Press FAN button to adjust fan speed.
Ɣ:KHQVHOHFWLQJGU\PRGHDLUFRQGLWLRQer will operate at low fan speed under dry
mode. In dry mode, fan speed can't be adjusted.
Ɣ:KHQVHOHFWLQJIDQPRGHDLUFRQGLWLRQer will operate in fan mode only. Then
press FAN button to adjust fan speed.
Ɣ:KHQVHOHFWLQJKHDWPRGHDLUFRQGLWLRner will operate under heat mode. Then
press + or - button to adjust set temperature. Press FAN button to adjust fan speed.
(Cooling only unit can’t receive heating mode signal. If set HEAT mode by remote
controller, press ON/OFF button can’t turn on the air conditioner.)
AUTO COOL DRY FAN HEAT(Only for models with heating function.)
MODE button
2
Ɣ Pressing + or - button once will increase or decrease set temperature by 1°F(°C).
Hold + or - button for 2s, set temperature on remote controller will change quickly.
Release the button after your required set temperature is reached.
Ɣ:KHQVHWWLQJ Timer On or Timer Off, press + or - button to adjust the time. (See
TIMER Button for setting details)
+ / - button
3
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with multifunction; For some function, which the model doesn't have, if press
the corresponding button on the remote controller that the unit will keep the
original running status.

10
Introduction for buttons on remote controller
Note:
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7

11
Introduction for buttons on remote controller
Function introduction for combination buttons
Press “+” and “-” buttons simultaneously can turn on or turn off child lock function.
When child lock function is started up, LOCK indicator on remote controller is ON.
If you operate the remote controller, remote controller won’t send signal.
Note:
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troller will exit setting status.
Child lock function
Temperature display switchover function
Under OFF status, press “-” button and “MODE” button simultaneously can switch
between °C and °F.

12
Operation guide
Replacement of batteries in remote controller
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NOTICE

13
Emergency operation
Clean and maintenance
air conditioner. When the air conditioner is turned on, it will operate under
auto mode.
aux. button
panel
WARNING:
Use insulated object to press the auto button
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:
WARNING
NOTICE:
ŶTurn off the air conditioner and disconnect the power before cleaning the air
conditioner to avoid electric shock.
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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.
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14
Clean and Maintenance
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1
2
3
4
Open panel
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Pull out the panel to a certain
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GLFDWHGLQWKH¿J
Ɣ8VHGXVWFDWFKHURUZDWHUWR
FOHDQWKH¿OWHU
Ɣ:KHQWKH¿OWHULVYHU\GLUW\XVH
the water (below 45ć) to clean
it, and then put it in a shady
and cool place to dry.
,QVWDOOWKH¿OWHUDQGWKHQFORVHWKH
panel cover tightly.
Ŷ7KH¿OWHUVKRXOGEHFOHDQHGHYHU\WKUHHPRQWKV,IWKHUHLVPXFKGXVWLQWKH
operation environment, clean frequency can be increased.
Ŷ$IWHUUHPRYLQJWKH¿OWHUGRQRWWRXFK¿QVWRDYRLGLQMXU\
Ŷ'RQRWXVH¿UHRUKDLUGU\HUWRGU\WKH¿OWHUWRDYRLGGHIRUPDWLRQRU¿UHKD]DUG
WARNING

15
Clean and Maintenance
1. Check whether air inlets are blocked.
2. Check whether air switch,plug and socket are in good condition.
&KHFNZKHWKHU¿OWHULVFOHDQ
4. Check whether drainage pipe is damaged.
1. Disconnect power supply.
&OHDQ¿OWHUDQGLQGRRUXQLW’s panel.
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.
NOTICE: Checking before use-season
NOTICE: Checking after use-season

16
Malfunction analysis
General phenomenon analysis
Please check below items before asking for maintenance. If the malfunction still
FDQ¶WEHHOLPLQDWHGSOHDVHFRQWDFWORFDOGHDOHURUTXDOL¿HGSURIHVVLRQDOV
Phenomenon Check items Solution
Indoor unit
can’t receive
remote
controller’s
signal or
remote
controller
has no
action.
Ɣ:KHWKHULWVLQWHUIHUHGVHYHUHO\
(such as static electricity, stable
voltage)?
Ɣ:KHWKHUUHPRWHFRQWUROOHULV
within the signal receiving
range?
Ɣ:KHWKHUWKHUHDUHREVWDFOHV"
Ɣ:KHWKHUUHPRWHFRQWUROOHULV
pointing at the receiving
window?
Ɣ,VVHQVLWLYLW\RIUHPRWHFRQWUR
OOHUORZIX]]\GLVSOD\DQGQR
display?
Ɣ1RGLVSOD\ZKHQRSHUDWLQJ
remote controller?
Ɣ)OXRUHVFHQWODPSLQURRP"
Ɣ3XOORXWWKHSOXJ5HLQVHUW
the plug after about 3min, and
then turn on the unit again.
Ɣ6LJQDOUHFHLYLQJUDQJHLVP
Ɣ5HPRYHREVWDFOHV
Ɣ
Select proper angle and point
the remote controller at the re-
ceiving window on indoor unit.
Ɣ&KHFNWKHEDWWHULHV,IWKH
power of batteries is too low,
please replace them.
Ɣ7DNHWKHUHPRWHFRQWUROOHU
close to indoor unit.
Ɣ7XUQRIIWKHÀXRUHVHQWODPS
and then try it again.
Ɣ&KHFNZKHWKHUUHPRWHFRQW
roller appears to be damaged.
If yes, replace it.
No air
emitted
from
indoor
unit
Ɣ$LULQOHWRUDLURXWOHWRILQGRRU
unit is blocked?
Ɣ(OLPLQDWHREVWDFOHV
Ɣ8QGHUKHDWLQJPRGHLQGRRU
temperature is reached to set
temperature?
Ɣ$IWHUUHDFKLQJWRVHWWHPSHU
ature, indoor unit will stop bl-
owing out air.
Ɣ+HDWLQJPRGHLVWXUQHGRQMXVW
now?
Ɣ,QRUGHUWRSUHYHQWEORZLQJ
out cold air, indoor unit will be
started after delaying for sev-
eral minutes, which is a nor-
mal phenomenon.

17
Malfunction analysis
Ɣ3RZHUIDLOXUH"
Ɣ,VSOXJORRVH"
Ɣ$LUVZLWFKWULSVRIIRUIXVHLV
burnt out?
Ɣ:LULQJKDVPDOIXQFWLRQ"
Ɣ8QLWKDVUHVWDUWHGLPPHGLDWHO\
after stopping operation?
Ɣ:KHWKHUWKHIXQFWLRQVHWWLQJ
for remote controller is
correct?
Ɣ5HVHWWKHIXQFWLRQ
Ɣ:DLWIRUPLQDQGWKHQWXUQ
on the unit again.
Ɣ$VNSURIHVVLRQDOWRUHSODFHLW
Ɣ$VNSURIHVVLRQDOWRUHSODFH
air switch or fuse.
Ɣ5HLQVHUWWKHSOXJ
Ɣ:DLWXQWLOSRZHUUHFRYHU\
Air condit-
ioner can’t
operate
Mist is em-
itted from
indoor unit’s
air outlet
Ɣ,QGRRUWHPSHUDWXUHDQGKXP
idity is high?
Ɣ%HFDXVHLQGRRUDLULVFRROHG
rapidly. After a while, indoor
temperature and humidity will
be decrease and mist will
disappear.
Phenomenon Check items Solution
Set temper-
ature can’t
be adjusted
Ɣ8QLWLVRSHUDWLQJXQGHUDXWR
mode?
Ɣ7HPSHUDWXUHFDQ¶WEHDGMX
sted under auto mode.
Please switch the operation
mode if you need to adjust
temperature.
Ɣ<RXUUHTXLUHGWHPSHUDWXUH
exceeds the set temperature
range?
Ɣ6HWWHPSHUDWXUHUDQJH
16ć~30ć.
Cooling
(heating)
effect is
not good.
Ɣ9ROWDJHLVWRRORZ" Ɣ:DLWXQWLOWKHYROWDJH
resumes normal.
Ɣ)LOWHULVGLUW\" Ɣ&OHDQWKH¿OWHU
Ɣ6HWWHPSHUDWXUHLVLQSURSHU
range?
Ɣ$GMXVWWHPSHUDWXUHWRSURSHU
range.
Ɣ'RRUDQGZLQGRZDUHRSHQ" Ɣ&ORVHGRRUDQGZLQGRZ