Toshiba RAC-WK1823ESCWR User manual

USER MANUAL
Safety Precautions
Operating Instructions
Installation Instructions
Remote Control and App
Instructions
Troubleshooting Tips
Care and Cleaning
RAC-WK1823ESCWRU (18,000 BTU)
Window Type
Room Air Conditioner
Warning notices: Before using this product,
please read this manual carefully and keep
it for future reference.
change without prior notice for product
improvement. Consult with your dealer or
the manufacturer for details.
www.toshiba-lifestyle.com0202-70-Anoisrev
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version B - 09 - 2022 (PREVIEW01)

Page 2 User Manual
Read This Manual
Inside you’llnd many helpfulhints on how to use and maintain your air conditioner properly. Just
alittle preventive care on your part can save you a great deal of time and money over the life of
yourair conditioner. You’ll ndmany answers to common problems in the troubleshooting tips -
you should be able to x most of them quickly before calling service. These instructions may not
coverevery possible condition of use, so common sense and attention to safety is required when
installing, operating and maintaining this product.
• 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
givensupervision or instruction concerning use of the appliance by a person responsible for
their safety.
• For support, please call the Service Center at 1-855-204-5313.
• Childrenshouldbe supervised to ensure that they do not play with the air conditioner.
• The appliance shall be installed in accordance with national wiring regulations.
• Do not operate your air conditioner in a humid room such as a bathroom or laundry room.
CAUTION

User Manual Page 3
To prevent injury to the user or other people and property damage, the instructions shown here must be
followed. Incorrect operation due to ignoring of instructions may cause harm or damage. The level of risk
is shown by the following indications.
Safety
Precautions
WARNING This symbol indicates a hazardous situation which, if not avoided,
could result in death or serious injury.
CAUTION
This symbol indicates a hazardous situation, which, if not avoided,
could result in minor or moderate injury.
NOTICE
This symbol addresses practices not related to physical injury.
• Be sure the air conditioner has been securely and correctly installed according to the
installationinstructions in this manual. Save this manual for possible future use in removing or
installing this unit.
• Plug inpower cord plug properly.
re due to excess heat generation.
• Do not modify power cord length or share the outlet with other appliances as it may cause
re due to overheating.
ective grounding.
Incorrect grounding may cause electric shock.
• Unplug the unit if you notice unusual sounds or smells or smoke coming from it.
re and electric shock.
• Ventilate room before operating the air conditioner if there is a gas leakage from another
appliance.
• Do not operate or stop the unit by inserting or pulling out the power cord plug.
• Do not operate with wet hands or in very humid environments.
It may cause electric shock.
• Do not allow water to come into contact with any electric parts.
It may cause failure or electric shock.
• Do not use the socket if it is loose or damaged.
re and electric shock.
• Do not use or keep the power cord close to heating appliances.
re and electric shock.
• Do not use any devices or materials for installation that are not recommended in this manual.
• Do not disassemble or modify unit.
It may cause failure and electric shock.
WARNING

Page 4 User Manual
Safety
Precautions
• Do not damage or use an alternate power cord.
re and electric shock.
If the power cord is damaged, it must be replaced by the manufactureror an authorized service
ed person in order to avoid a hazard.
ow straight into persons to avoid possible health hazard.
• Do not open the unit during operation.
It may cause electric shock.
ammable gas or combustibles, such as gasoline, benzene,
thinner, etc.
re.
• Do not let children hang on the air conditioner orbracket.
A serious injury may occur.
re hazard or electric shock. Do not use an extension cord oran adaptor plug. Do not
remove any prongs from the power cord.
re hazards, proper
grounding is important. The power cord is equipped with a three-prong grounding plug for
protection against shock hazards.
• Your air conditioner must be used in a properly grounded wall receptacle. If the wall receptacle
you intend to use is not adequately grounded or protected bya time delay fuse or circuit
ed electrician install the proper receptacle. Ensure the receptacle is
accessible after the unit installation.
• Be sure the electrical service is adequate for the model you have chosen. This information can be
found on the serial plate, which is located on the side of the cabinet and behind the grille.
• Do not drink the drain water. It may contain mold and bacteria that can lead to death if ingested.
lter is to be removed, do not touch the metal parts of the unit.
It may cause injury.
the circuit breaker.
re, electric shock or injury.
• Do not place obstacles around air inlets or inside of air outlet.
It may cause failure or accident.
• Clean with a soft cloth only. Do not use strong detergents that contain wax or thinners as it may
damage the product.
• Use caution when unpacking and installing. Sharp edges could cause injury.
• Do not clean the air conditioner with water.
Water may enter the unit and degrade the insulation which could lead to electric shock.
WARNING
CAUTION

User Manual Page 5
Safety
Precautions
ow.
This could injure the pet or harm the plant.
• Hold the plug by the head of the power plug when taking it out.
Otherwise, it may cause electric shock and damage.
• Ensure that the installation is properly secured to prevent the product from potentially falling.
• Do not place heavy objects on the power cord and ensure that the cord is not compressed.
re or electric shock.
the circuit breaker. Isolate supply by
ed service technician.
ect gas
combustion.
• Do not use for any purpose other than room comfort.
Do not use this air conditioner to preserve precision devices, food, pets, plants, and art objects.
It may cause deterioration.
the main power switch if the unit is not to be used for an extended time.
lter once every two weeks.
lters may cause failure.
CAUTION

Page 6 User Manual
Safety
Precautions
WARNING
ammable refrigerant.
If the refrigerant is leaked and exposed to an external ignition source,
re.
CAUTION This symbol shows that the operation manual should be read carefully.
CAUTION This symbol shows that a service personnel should be handling this
equipment with reference to the installation manual.
CAUTION This symbol shows that information is available such as the operating
manual or installation manual.
EXPLANATION OF SYMBOLS DISPLAYED ON THE UNIT
• Do not try to accelerate the defrosting process or methods of cleaning that are not
recommended by the manufacturer.
• The appliance shall be stored in a room withoutacontinuously operating ignition source (for
ames or an operating gas appliance) or an ignition source (for example, an
operating electric heater) close to the appliance. The appliance shall also be stored in a room
without ignitionsources.
• Do notpierce or burn.
• Be aware that the refrigerants may not contain an odor.
• Keep ventilation openings clear of obstruction.
• Unit is only to be serviced by a Toshiba authorized servicer, please call Customer Service at
1-855-204-5313 for support.
• Flammable refrigerant R32 is used within air conditioner. Please follow the instructions carefully
to handle, install, clean, and service the air conditioner to avoid damage or hazard. Do not
ed agency for properdisposal.
re or devices that generate spark/arcing shall be around the air conditioner to avoid
ammable refrigerant used. Please follow the instructions carefully to
store or maintain the air conditioner to prevent mechanical damage from occurring.
WARNING
Caution: Risk of fire/
flammable materials
(Required for R32/R290 units only)
IMPORTANT NOTE: Read this manual
carefully before installing or operating
your new air conditioning unit. Make sure
to save this manual for future reference.

User Manual Page 7
The power supply cord with this air conditioner
contains a current detection device designed
re.
In the event that the power supply cord is
damaged, itcan not be repaired. It must be
replaced with a cord from the manufacturer.
.
• Always make sure the RESET button is pushed in for correct operation.
• The power supply cord must be replaced if it fails to reset when either the TEST button is pushed,
or it can not be reset. Please contact Customer Service.
Grounding type wall receptacle
Do not, under any
circumstances, cut,
remove or bypass
the grounding prong.
Power supply cord with 3-prong grounding
plug and current detection device.
The power supply cord contains a current
measuring device that detects damage to the
power cord. Test your powersupplycord as
follows:
1. Plug in the airconditioner.
2. The power supply cord will have TWO
buttons on the plug head. Press the TEST
button. You willnotice a click as the RESET
button pops out.
3. Press the RESETButton. Youwill notice a click
as the button engages.
4. The power supply cord is now supplying
electricity to the unit. (On some products this
is also indicated by a light on the plug head.)
RESET
TEST
Plug in & press RESET
NOTICE
NOTICE
Safety
Precautions

Page 8 User Manual
Operating
Instructions
RAC-WK18 Models
Gurgle/Hiss
Gurgling or hissing
noises may be heard due
to refrigerant flowing
through evaporator
during normal operation.
Sound of Rushing Air
In front of the unit, you
may hear the sound of
rushing air being moved
by the fan.
Vibration
Unit may vibrate and make
noise because of poor wall
or window construction or
incorrect installation.
Trickling Sound
Droplets of water
hitting condenser
during normal
operation may cause
a trickling sound.
High Pitched Sound
High efficiency compressors may
have a high pitched sound during
cooling cycle.
All the pictures in this manual are for illustrative purposes only. The actual appearance of the air
conditioner you purchased may vary slightly, but its operation and functions will be similar.
NOTICE
This air conditioner is designed to be operated under the following conditions:
Cooling Operation
Outdoor temp.: 64 ~ 109°F / 18 ~ 43°C
Indoor temp.: 62 ~ 90°F / 17 ~ 32°C
To reduce the risk of re, electrical shock, or injury to people or property, read the SAFETY
PRECAUTIONS before operating this appliance.
WARNING
• The relative humidity of room should be less than 80%. If the unit is used in a condition with a
relative humidity over 80%, there will be condensed water on the surface of the unit.
• Performance may be reduced outside of these operating temperatures.
NOTICE

User Manual Page 9
Operating
Instructions
To begin operating the air conditioner, follow these steps:
1. Set the temperature to the coldest setting.
2. Set the control to HIGH COOL.
ow (see Air Directional Louvers).
nd most comfortable.
ow inside and outside are not obstructed.
ow Left
or Right, or Up and Down (optional on some models)
throughout the room as needed.
Move the Levers from side to side until the desired
LEFT/RIGHT direction isobtained.
ow
UP/DOWN as needed.
Levers
Air Direction
and then on again, or when changing fromcool to
fan and back to cool. This prevents damage from occurring to the compressor.
NOTICE
The Fresh Air Vent allows the air conditioner to:
1. Recirculate inside air – Vent Closed (See Fig. A)
2. Draw fresh air into the room - Vent Open (See Fig. B)
3. Exchange air from the room and draw fresh air into the room - Vent and Exhaust Open (See Fig. C).
FRESH AIR VENT CONTROL
Fig. A (VENT CLOSED) Fig. B (VENT OPEN) Fig. C (VENT & EXHAUST OPEN)

Page 10 User Manual
TO TURN UNIT ON OR OFF:
.
NOTE: The unit will automatically initiate the Energy
Saver function under Cool, Dry, Auto modes.
TO CHANGE TEMPERATURE SETTING:
Press UP/DOWN button to change temperature
setting.
NOTE: Press or hold eitherUP ( ) or DOWN ( )
button until the desired temperature is seen on the
display.
This temperature will be automatically maintained
anywhere between 62°F (17°C) and86°F (30°C). If
you want to display the actual room temperature,
see To Operate on Fan Only section.
TO ADJUST FAN SPEEDS:
Press the Fan Button to change the fan speed
between four settings – Auto, Low, Med, or High. The
fan will operate on Low Speed automatically when
set to Dry Mode.
On Auto mode,the fan operates on Auto fan speed
automatically and cannot be changed.
SLEEP FEATURE:
PressSleep button to initiate the sleep mode. In
this mode the selected temperature will increase by
2°F(1°C)30 minutes after the mode isselected.
The temperature will then increase by another 2°F/
1(or 2)°C after an additional30 minutes. This new
temperature will be maintained for 7 hours before it
returns to the originally selected temperature.
The Sleep mode program can be cancelled at any time
during operation by pressing the Sleep button again.
CHECK FILTER FEATURE:
The Check Filter feature is a reminder to clean the
air lter for a more ecient operation. The light
will illuminate after 250 hours of operation. After
cleaning the lter, press the Filter button to reset
the Check Filter function turning the light o.
ENERGY SAVER FEATURE (ECO):
PressEnergy Saver button to initiate this function.
This functionis available on COOL, DRY, AUTO (only
AUTO-COOLING and AUTO-FAN) modes. The fanwill
continue to run for 3 minutes after the compressor
shuts o. The fan then cycles on for 2 minutes at
10 minute intervals until the room temperature
is above the set temperature, at which time the
compressor turns back on and Cooling resumes.
TO SELECT THEOPERATING MODE:
To choose the operating mode, press the Mode
button. Each time you press the button, a mode is
selected in asequence that goes from Auto, Cool,
Dry and Fan.
Timer
Button
Power
Button
Sleep
Button
Fan
Button
Up () and Down ( )
Buttons
Mode
Button
Connect Indicator Light
(Smart models only)
Before you begin, thoroughlyfamiliarize yourself with the control panel as shown below and all its
functions, then follow the symbol for the functions you desire. The unit can be controlled by the unit
control alone or with the remote.
Operating
Instructions