Tosot TW12HQ3C2AI User manual

TW12HQ3C2AI(WIFI)
TW12HQ3C2DI(WIFI)

Content
Operation Notices
Precautions............................................................................................................ 1
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..................................................... 16
Operation guide................................................................................................... 18
Replacement of batteries in remote controller..................................................... 18
Emergency operation .......................................................................................... 19
Maintenance
Clean and maintenance....................................................................................... 20
Malfunction
Malfunction analysis ............................................................................................ 22
Installation Notice
Installation dimension diagram............................................................................26
Tools for installation............................................................................................. 28
Selection of installation location .......................................................................... 28
Requirements for electric connection .................................................................. 29
Installation
Installation of indoor unit......................................................................................30
Check after installation ........................................................................................ 35
Test and operation
Test operation ...................................................................................................... 35
Attachment
......................................................................... 36
...................................................................................38
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.
Pipe expanding method
Safety precautions for installing and relocating the unit ...................................... 27
If it needs to install, move or maintain the air conditioner, please contact dealer or local service center
to conduct it at first. Air conditioner must be installed, moved or maintained by appointed unit. Otherw-
ise, it may cause serious damage or personal injury or death.

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
N OT IC E

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
FCC 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
5
Instructions for installation and use of this product are
provided by the manufacturer.
expressly approved by the party responsible for
compliance could void the user’s authority to operate
the equipment.
WARNING: Changes or modifications to this unit not
FCC STATEMENT
Operation is subject to the following two conditions :
This device complies with Part 15 of the FCC Rules.

pursuant to part 15 of the FCC Rules. These limits are
designed to provide reasonable protection against
equipment generates, uses and can radiate radio
●Reorient or relocate the receiving antenna.
●Increase the separation between the equipment and
receiver.
●Connect the equipment into an outlet on a circuit
●Consult the dealer or an experienced radio/TV
different from that to which the receiver is connected.
technician for help.
interference to radio communications.
comply with the limits for a Class B digital device,
Precautions
FCC STATEMENT
accordance with the instructions,may cause harmful
harmful interference in a residential installation. This
undesired operation.
frequency energy and, if not installed and used in
However, there is no guarantee that interference will
does cause harmful interference to radio or television
correct the interference by one or more of the following
measures:
equipment off and on, the user is encouraged to try to
not occur in a particular installation. If this equipment
reception, which can be determined by turning the
NOTE: This equipment has been tested and found to
(1) this device may not cause harmful interference,
and (2) this device must accept any interference
received,including interference that may cause
6

Precautions
Le présent appareil est conforme aux CNR d'Industrie
licence. L'exploitation est autorisée aux deux conditions
tout brouillage radioélectrique subi, même si le
undesired operation of the device.
IC STATEMENT
brouillage, et (2) l'utilisateur de l'appareil doit accepter
Canada applicables aux appareils radio exempts de
interference, and (2) this device must accept any
suivantes : (1) l'appareil ne doit pas produire de
brouillage est susceptible d'en compromettre le
fonctionnement.
interference, including interference that may cause
This device complies with Industry Canada licence-
This equipment complies with FCC’s and IC’s RF
radiation exposure limits set forth for an uncontrolled
environment. The antenna(s) used for this transmitter
must be installed and operated to provide a separation
distance of at least 20 cm from all persons and must
exempt RSS standard(s). Operation is subject to the
following two conditions: (1) this device may not cause
not be collocated or operating in conjunction with any
other antenna or transmitter. Installers must ensure that
20cm separation distance will be maintained between
the device (excluding its handset) and users.
Cet appareil est conforme aux limites d’exposition au
rayonnement RF stipulées par la FCC et l’IC pour une
utilisation dans un environnement non contrôlé. Les
7

Precautions
IC STATEMENT
près d’autres antennes ou émetteurs ou fonctionner
antennes utilisées pour cet émetteur doivent être
installées et doivent fonctionner à au moins 20
cm de
distance des utilisateurs et ne doivent pas être placées
distance de 20 cm sépare l’appareil (à l’exception du
combiné) des utilisateurs.
avec ceux-ci. Les installateurs doivent s’assurer qu’une
8
Working temperature range
Indoor side DB/WB(°C/°F) Outdoor side DB/WB(°C/°F)
Maximum cooling 26.7/19.4(80/66.9) 46.1/23.9(115/75)
Maximum heating 26.7/-(80/-) 23.9/18.3(75/64.9)
● The operating temperature range (outdoor temperature) for cooling only unit is
-18 (-0.4°F)~46.1 (115°F); for heat pump unit is-20 (-4°F)~46.1 (115°F).
NOTICE:

9
(Display content or position may be different from above
graphics, please refer to actual products)
Parts Name
Indoor Unit
air inlet
panel
aux.button
horizontal louver
air outlet
Actual product may be different from above graphics, please refer to actual
products.
NOTICE:
remote control

temp.
indicator display
For some model:
receiver
window
Power indicatior
Parts name
Display content or position may be different from above graphics, please refer to actual
products.
Display
W R G
temp.
indicator
display
receiver
window
W R O
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
For some model:
heating
indicator temp.
indicator
cooling
indicator power
indicator
receiver
window
drying
indicator
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)
10


Buttons on remote controller
Introduction for icons on display screen
1
5
3
6
8
10
12
11
9
7
4
2
1
2
3
4
5
6
7
8
9
10
11
12
ON/OFF button
MODE button
FAN button
SWING button
TURBO button
TEMP button
WiFi button
LIGHT button
CLOCK button
TIMER ON / TIMER OFF
button
SLEEP button
▲/ button
▲
Send signal
Turbo mode
8℃heating function
Set temperature
Set time
TIMER ON /
TIMER OFF
Child lock
Up & down swing
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
WiFi This is a general remote controller.Some
models have this function while some
do not. Please refer to the actual models.
{

12
● 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 "SWING" button can
adjust fan blowing angle.
● After selecting cool mode, air conditioner will operate under cool mode. Cool
indicator on indoor unit is ON(This indicator is not available for some models).
Press "▲" or " " button to adjust set temperature. Press "FAN" button to adjust
fan speed. Press "SWING" 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(This indicator is not available for some
models). Under dry mode, fan speed can’t be adjusted. Press "SWING" button
to adjust fan blowing angle.
● When selecting fan mode, the air conditioner will only blow fan, no cooling and
no heating. Press "FAN" button to adjust fan speed. Press "SWING" button to
adjust fan blowing angle.
● When selecting heating mode, the air conditioner operates under heat mode.
Heat indicator on indoor unit is ON(This indicator is not available for some models).
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, the colour is different for different models).
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
MODE button
▲
1
2
Press this button to turn on the unit. Press this button again to turn off the unit.
Press this button to select your required operation mode.
AUTO COOL FANDRY HEAT
● This is a general use remote controller, it could be used for the air conditioners
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.

13
Introduction for buttons on remote controller
FAN button
SWING button
3
4
Press this button can select up&down swing angle. Fan blow angle can be selected
circularly as below:
Press "▲" or " " button to adjust set temperature. Press "FAN" button to adjust
fan speed. Press "SWING" 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).
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.
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 a few minutes. at low speed. In this
period, Hold fan speed button for 2s 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.
X-FAN function Hold fan speed button for 2s in COOL or DRY mode, the icon “ ” is
displayed and the indoor fan will continue operation for a few 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.
●
●
●
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.
Pressing this button can set fan speed circularly as: auto (AUTO), low( ) ,medium
( ), high( ).
Auto
no display
(horizontal louvers stops
at current position)
▲

14
SLEEP button
TEMP button
7
8
Introduction for buttons on remote controller
▲
▲
Under COOL or HEAT 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.
By pressing this button, you can see indoor set temperature, indoor ambient temp-
erature or outdoor ambient temperature on indoor unit’s display. The setting on
remote controlleris selected circularly as below:
no display
TURBO button
5
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.
▲
▲/ button
6
● Press "▲" or " " button once increase or decrease set temperature 1℃(1°F).
Holding "▲" or " " button, 2s later, set temperature on remote controller will
change quickly. On releasing button after setting is finished, temperature indica-
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)
▲
▲
● 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.

15
● 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
to display set temperature after three or five seconds.
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 contro-
ller will quit setting status. Operation for TIMER ON/TIMER OFF is the same.
CLOCK button
11
▲
▲▲
WiFi button
9
LIGHT button
10
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.
TIMER ON / TIMER OFF button
12
Introduction for buttons on remote controller
● 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.
Press " WiFi " button to turn on or turn off WiFi function. When WiFi function is
turned on, the " WiFi " icon will be displayed on remote controller; Under status
of remote controller off, press "MODE" and " WiFi " buttons simultaneously for 1s,
WiFi module
● This function is only available for some models.
will restore to factory default setting.