Koldfront WAC8003WCO User manual

Window Air Conditioner
WAC8003WCO
WAC10003WCO
WAC12003WCO
WAC15003WCO
Owner’s Manual
V1.0 10142019
www.koldfront.com
®

2
Important Safety Information
Warning: The water produced by the air conditioner is not potable or suitable for drinking. Do not drink the
water drained from the unit as it contains contaminates and could make you sick.
Improper handling can cause serious damage to the appliance and/or to the user. Please read the following
safety information.
Electrical Safety
General Safety
• Make sure your hands are dry and not wet before operating the unit.
• Do not wet the front housing or control panel.
• Do not directly spray water on this Air Conditioner.
• Do not pull the unit by the cord.
• Always turn the unit o and unplug it from the socket when cleaning.
• Unplug the unit if it is not going to be used for a long period of time.
• Do not operate the unit with a damaged or loose plug and / or socket.
• Use only the correct power supply with appropriate amperage.
• If the power cord is damaged, it must be replaced by the manufacturer, a service agent, or qualied technician.
• Do not turn the unit o or on by inserting or pulling the power plug.
• Do not modify the power cord length or share the outlet with another appliance.
• Do not use this unit with an extension cord and/or adapter plug.
• Do not use this unit near ammable gases/combustibles or in close proximity to heating appliances.
• During operation, do not remove any part of the outside casing.
• Do not let people or pets sit or set an object directly in front of air ow.
• If a strange sound, smell, or smoke comes from the unit, turn it o and review the troubleshooting page of this
manual.
• Stop operation and unplug unit in the event of a severe storm.
• To ensure proper air ow and intake, make sure the air vents are not obstructed.
• See instructions for cleaning air lters and how often cleaning should occur.
• Do not use strong detergents when cleaning.
• Children should be supervised when operating this unit.
• Do not allow children to play with the controls or drop any objects into the air outlets or vents.
• Do not place objects or let any person sit on top of the unit.
• Route the power cord carefully to avoid a tripping hazard.
• This unit is intended for domestic home use only. Do not use the air conditioner for commercial or industrial
use. Any other use may invalidate the warranty.
• Use caution when unpacking and installing the unit as there may be some sharp edges.

3
Warning: Flammable Refrigerant Used! When handling, moving and using the air conditioner, make
sure to avoid either damaging the refrigerant tubing, or increasing the risk of a leak.
Refrigerant Safety (R32)
• Do not use means to accelerate the defrosting process or to clean the unit, other than those recommended by
the manufacturer.
• The appliance shall be stored in a room without continuously operating ignition sources (for example: open
ames, an operating gas appliance or an operating electric heater).
• Do not pierce or burn. Be aware that ammable refrigerants may not contain an odor.
• Compliance with national refrigerant regulations shall be observed.
• Keep ventilation openings clear of obstructions.
• Use caution while handling to prevent damage to the unit. Do not put any holes into the air conditioner for any
reason. This can cause damage to the unit or refrigerant leaks.
• Maintenance and cleaning of the unit should be performed by trained personnel. Failure to properly clean the
unit can result in damage to the refrigeration system and or the electrical system.
• Servicing should only be performed by technicians properly trained and certied in the use of ammable
refrigerants. Any service performed by unauthorized servicers/individuals will void all warranties.
• Maintenance and repair requiring the assistance of other skilled personnel shall be carried out under the
supervision of a person competent in the use of ammable refrigerants.
• When storing the appliance, do not put in a room with any open ame appliances, such as gas water heaters or
furnaces. Also keep away from electric heaters. Damaged units should be repaired before storage.
• Flammable Refrigerant (R32) is used in the air conditioner. When maintaining or disposing of the air conditioner,
the refrigerant shall be recovered properly, and shall not be discharged into the air directly.
• Flammable refrigerant (R32) is used in air conditioner. Please follow the instructions carefully to avoid any hazard.
CAUTION: Risk of ire / ammable materials IMPORTANT NOTE: Read this manual carefully before
installing or operating your new air conditioning unit.
Make sure to save this manual for future reference.

4
Operation of Safety Plug
Note: Electrical products should not be disposed of with household waste. Please contact your
local recycling center for more information on how to recycle electronic waste.
Your air conditioner is supplied with a Leakage-Current Detection and Interruption (LCDI) safety plug. This device
provides protection to reduce the risk of re due to arcing faults in the power supply cord. Before using your air
conditioner, follow the instructions below to ensure that the h plug is working properly:
1. Plug the power cord into a grounded outlet.
2. Press the TEST button on the LCDI plug. This should trip the plug and cut the power to the air conditioner. If
the plug does not trip and you are able to turn on the unit, please contact Koldfront support.
3. Press the RESET button to start using your air conditioner.
Note:
• Always make sure the RESET button is pushed in for proper operation.
• The power supply cord with LCDI plug must be replaced if it fails to reset.
• Do not use the TEST and RESET buttons as an ON/OFF switch.

5
Table of Contents
Important Safety Information.................................................................2
Refrigerant Safety (R32) ............................................................................3
Operation of Safety Plug...........................................................................4
Introduction ..................................................................................................6
Parts Identication......................................................................................7
Front/Side View: ..................................................................................................... 7
Installation .....................................................................................................8
Tools Needed........................................................................................................... 8
Parts Supplied......................................................................................................... 8
Preparing the unit for window Installation.................................................. 9
Attaching the Top Channel and Side curtains ............................................ 9
Installing Unit Into Window............................................................................... 10
Sealing Air Gaps ..................................................................................................... 12
Completing Installation....................................................................................... 13
Operation.......................................................................................................14
Control Panel Operation ..................................................................................... 14
Operating Modes:.................................................................................................. 14
Additional Tips:....................................................................................................... 15
Remote Operation................................................................................................. 17
Maintenance .................................................................................................19
Air Filter Cleaning .................................................................................................. 19
Cabinet Cleaning ................................................................................................... 20
Normal Sounds....................................................................................................... 20
Error Codes............................................................................................................... 20
Energy Saving Guide ............................................................................................ 20
Troubleshooting ..........................................................................................21
Specications................................................................................................23
Koldfront Limited Warranty.....................................................................24

6
Introduction
Thank you for purchasing this Koldfront air conditioner. We hope this purchase will be the beginning of a lasting
and rewarding relationship between you and Koldfront. We will provide the customer support and exemplary
products necessary to nurture that relationship.
This manual contains important information regarding the proper installation, use, and maintenance of your air
conditioner. Following this manual will ensure your product will work at its peak performance, eciency, and safety.
Please save the original product packaging in case you need to safely transport your air conditioner.
For Your Records:
Please write down the model number and serial number below for future reference. Both numbers are located on
the ratings label on the back of your unit and are needed to obtain warranty service. You may also want to staple
your receipt to this manual as it is the proof of your purchase and is also needed for service under your warranty.
Model Number: ______________________________
Serial Number: _______________________________
Date of Purchase: _____________________________
For a more ecient experience, please do the following before contacting customer service:
• If you received a damaged product, immediately contact the dealer that sold you the product.
• Read and follow this instruction manual carefully to help you install, use, and maintain your air conditioner.
• Read the troubleshooting section of this manual as it will help you diagnose and solve common issues.
• Visit us on the web at http://www.koldfront.com for product guides, additional troubleshooting resources,and
up-to-date information. If you need service, our friendly customer service representatives are available via email
at [e-mail].

7
Parts Identication
Front/Side View:
**Drawing for instructional purposes only. Your unit may look dierent. Installation and setup will remain consistent.

8
Installation
Note: You may need to contact an electrician if your room’s circuit is not able to power your unit.
Note: To avoid risk of injury or product/property damage, please take the following precautions:
• Two or more people are needed to properly handle and install the unit.
• Use proper lifting and carrying techniques.
• Before installation, make sure to inspect the window and sill to ensure they are able to handle
the weight and size of this unit.
• Wearing protective gloves will help avoid injury from sharp edges.
Before you begin, make sure you have all the parts necessary for installation.
If you have multiple windows, choose one that is near an electrical outlet that will be able to provide sucient
power to your unit. See the power requirements listed on the product label printed on the side or back of your air
conditioner.
The following measurements are required to properly install the air conditioner.
• Window Width:
23” to 36” (WAC8003WCO, WAC10003WCO & WAC12003WCO)
28” to 40 ½” (WAC15003WCO)
• Window Minimum Height:
14” (WAC8003WCO) | 15 ½” (WAC10003WCO & WAC12003WCO) | 18 ½” (WAC15003WCO)
Tools Needed
Parts Supplied
• Phillips Screwdriver • Tape Measure • Level • Drill • 1/8” Drill Bit
Window sash
seal (1)
Window Lock (1)
Side curtain
brackets (2)
1/2” screws (7) 3/8” screws (4)
Top Channel (1)
Insullation Panels (2)
(WAC15003WCO only)Weather Stripping (5) Side Curtains (2)

9
Preparing the unit for window Installation
Please follow all installation instructions to avoid personal injury or damage. It is important that you save all original
packaging materials in case you need to safely transport your air conditioner. Packaging materials must be stored
away from children and in a safe manner.
Note: The unit must be installed rmly and securely to prevent excessive noise and vibration.
Attaching the Top Channel and Side curtains
Make sure to attach the top channel and side curtains prior to installing the cabinet into the window.
1. Set the air conditioner unit on a table or other solid work surface.
2. Place the top channel on top of the air conditioner cabinet, lining up the four (4) holes in the top channel with
the four (4) holes on top of the cabinet.
3. Use four (4) 3/8” Phillips screws to attach the top channel to the top of the cabinet.
4. To attach the side curtains to the air conditioner, start by gently extending the accordion panel until you can
insert the open end into the connector tabs located on the side of the unit.

10
Installing Unit Into Window
5. Insert the top and bottom of the curtain housing to the top curtain and bottom curtain channel.
Note: When choosing your window, make sure the power supply cord is within four (4) feet of a
grounded 3-prong outlet.
Follow the steps listed below to install the air conditioner into the window.
1. Center the air conditioner cabinet into the window:
• Check that the lower rail of the air conditioner cabinet is behind and against the back side of the window sill.
• Maintain a rm hold on the cabinet and lower the window sash to hold the cabinet in place.
• Measure the distance of the right side and left, and adjust until the unit is perfectly centered.

11
Note: Check that the air conditioner cabinet is tilted back about 1 1/8” to 1 1/2”, which should be
about 3-4 degrees downward to the outside. After proper installation, condensation should not
drain from the overow drain hole during normal use. If it does, correct the slope.
2. Extend both side curtains outward until they are ush with the window frame.
3. Attach Curtain Brackets
• The curtain brackets will secure the lower frame of the side curtains to the window sill.
• Place the curtain bracket in between the accordion extensions as shown in the image below.
• Use one (1) ½” Phillips head screw to attach the curtain brackets to the window sill.
• Repeat this procedure for the remaining side curtain.
Note: Use a 1/8” drill bit to drill pilot holes in the window sill to prevent splitting before driving
the screws into place.

12
4. Attach Side Curtains to Window Frame
• Use three (3) ½” Philips head screws to attach the side curtain frame and top channel to the window sash.
5. Attach Window Lock Bracket
• Secure the lower window sash to the upper window sash with the Window Lock Bracket.
• Use two (2) ½” Philips head screws to attach the bracket to the upper window sash.
• Once installed, the bracket will prevent the lower window sash from being raised upwards.
Sealing Air Gaps
1. Install Window Sash Seal
• Trim the window sash seal (foam) to the appropriate length and insert it into the gap between the upper and
lower window sashes.

13
2. Install Energy Ecient Insulation Panels (WAC15003WCO only)
• This unit comes with insulating sheets. Install them into each side curtain to maximize energy eciency.
• Start by measuring the inner width of both side curtains.
• Locate the insulation panel supplied with this unit and cut each panel to the correct width.
• Slide the insulation panels into each side curtain as shown below with the pattern side facing inward (indoors).
3. Attach Weather Stripping
• In order to minimize air leaks, this unit comes with weather stripping that should be installed as needed to plug
any gaps that may be present after you have secured the air conditioner into the window.
• Inspect all potential air gaps around the window opening.
• Cut to size and attach weather stripping as needed.
Completing Installation
Now that you have completed the installation steps, your air conditioner is ready for use.
1. Plug the power cord into a properly grounded 3-prong outlet.
2. Press RESET on the LCDI plug.
3. Read the Control Panel Operations section for instructions on all modes and settings for the unit.

14
Operation
Control Panel Operation
Operating Modes:
Power Button: Press to turn the unit on or o.
Temperature Controls: Press and hold until desired temperature is seen on the digital display.
The temperature will be maintained anywhere between 62 °F (17°C) and 86°F (30°C).
Mode: Each time you press the button, a mode is selected in a sequence that goes form Auto,
Cool, Dry, to Fan. The mode indicator will display the current mode.
Energy Saver: The fan will 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 point the compressor turns back on and cooling starts.
Check Filter: The lter light will illuminate after 250 hours of operation. Clean the lter as
indicated in the maintenance section of this manual, and press the button to reset the timer.
Fan Speed: Each time you press the button, the fan speed changes in a sequence that goes from
Auto, Low, Medium, to High.
Timer: Control the Auto Start/Stop Feature (see next page).
Auto Mode:
Note: Control panel appearance may vary between models.
WAC1503WCO Models include slightly dierent icons, pictured left.
Sleep: Set the unit to sleep mode. The selected temperature will increase by 2° F after 30 minutes,
and another 2° F after another 30 minutes. This temperature will be maintained for 6 hours, and
then the unit will revert to the previously programmed temperature.
• When you set the unit to Auto mode it will automatically select Cooling or Fan Only operation depending on the
temperature selected and the current room temperature.
• Once the temperature you selected is achieved, the unit will automatically maintain the room temperature.
• In this mode the fan speed cannot be adjusted. It will start automatically at a speed calibrated to the actual room
temperature.
• When the unit is set to “Cool” mode it will cool the room to maintain the desired set temperature.
• When the desired temperature has been reached, the unit will automatically maintain the temperature.
• Press Up and Down buttons to adjust the desired temperature and press the Fan button to adjust fan speed.
Cool Mode:

15
Additional Tips:
General:
Fan Only Mode:
• Use this function only when cooling is not desired, such as for room circulation or to exhaust air (remember to
open the vent). You can choose any speed you prefer.
• In this mode, the display will show the actual room temperature.
• In Fan Only mode, the temperature is not adjustable.
Dry Mode:
• In this mode, the air conditioner will operate as a dehumidier. Because the conditioned space is closed or
sealed, some degree of cooling will continue to occur.
• The fan speed is set to Low automatically.
• The “Cool” mode has an automatic three (3) minute timed delay start if the unit is turned o and on quickly. This
prevents overheating of the compressor and possible circuit breaker tripping. The fan will continue to run during
this time.
• The air conditioner has a memory function. If a power outage occurs, the unit will restart in the previously
selected mode automatically when power resumes.
• The Energy Saver feature will automatically turn on in Cool, Dry, and Auto modes.
To Use the Timer (Auto Start/Stop) Feature:
Setting an Auto Start:
While the unit is o, press the Timer button ONCE. The timer on indicator will illuminate. You then have 3-5 seconds
to set the start time. Use the Up or Down buttons to change the time by 1/2 hour increments up to 10 hours or 1
hour increments up to 24 hours. The selected time will display for 5 seconds and then revert to the previous display.
Setting an Auto Stop:
While the unit is o, press the Timer button TWICE. The timer o indicator will illuminate. You then have 3-5 seconds
to set the stop time. Use the Up or Down buttons to change the time by 1/2 hour increments up to 10 hours or 1
hour increments up to 24 hours. The selected time will display for 5 seconds and then revert to the previous display.
Turning the unit on or o at any time, or adjusting the timer setting to 0.0 will cancel the timer program.
Digital Display:
• Displays the set temperature in °C or °F and the Auto-Timer settings. While operating in Fan Only mode, it shows
the current room temperature.
• To switch between °C and °F, press and hold the Up and Down Temp and Timer buttons at the same time for three
(3) seconds.

16
Fresh Air Vent:
The Fresh Air Vent allows the air conditioner to:
1. Recirculate room air (Fig. A)
2. Draw fresh air in from the outside (Fig. B)
3. Recirculate room air and draw in fresh air from the outside (Fig. C)
WAC8003WCO, WAC10003WCO, and WAC12003WCO:
WAC 15003WCO:
FIG A: Closed
FIG A: Closed
FIG B: Vent Open
for Fresh Air
FIG B: Vent Open
for Fresh Air
FIG C: Vent and
Exhaust Open
FIG C: Vent and
Exhaust Open
Air Louvers:
The 4-way air directional louvers allow you to direct the air ow Up, Down, Left, and Right throughout the room
as needed. Use the center handles to adjust the air directional louvers side to side.

17
Remote Operation
Warning:
• This product contains a lithium button/coin cell battery which is a potential Chemical Burn
Hazard. Keep away from children.
• Always completely secure the battery compartment. If the battery compartment does not close
securely, stop using the product, remove the batteries, and keep away from children. If a new
or used lithium button/coin cell battery is swallowed or enters the body, it can cause severe
internal burns and can lead to death in as little as 2 hours. If you think batteries might have been
swallowed or placed inside any part of the body, seek immediate medical attention.
• The cells should always be disposed of properly. Even used cells can cause injury.
Note: Illustration for instruction only. Your unit’s remove control may look dierent.

18
• The remote control has an operating range of 16 ft from the air conditioner.
• The remote signal receiver/sensor is located on the control panel of the air conditioner.
• Reception of signal commands is conrmed by an audible beep.
• Direct sunlight can interfere with the infrared signal.
• To replace batteries, remove the back cover by pressing where indicated and sliding o the battery cover.
Important:
• The air conditioner will not operate if curtains, doors, or other materials block the signals from
the remote control to the unit.
• Do not expose the remote control to direct sunlight or heat or allow any liquid to fall onto it as
this could adversely impact its performance.
• If the infrared receiver on the unit is exposed to direct sunlight, the unit may not function
properly when operated by the remote control. Use the curtains to prevent sunlight from falling
on the infrared receiver.
• If other electrical appliances react to the remote control, move them away from the unit.
Important:
• This device complies with part 15 of the FCC Rules. Operation subject to the following two
conditions: (1) This device may cause harmful interference to other devices, and (2) This device
must accept any interference received, including interference that may cause undesired
operation.
• This device has been tested and found to comply with the limits for a Class B digital device,
pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection
against harmful interference in a residential installation. This equipment generates, uses and can
radiate radio frequency energy and, if not installed and used in accordance with the instructions,
may cause harmful interference to radio communications. However, there is no guarantee that
interference will not occur in a particular installation. If this equipment does cause harmful
interference to radio or television reception, which can be determined by turning the equipment
o and on, the user is encouraged to try to correct the interference by one or more of the following
measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit dierent from that to which the receiver
is connected.
• Consult the dealer or an experienced radio/TV technician for help.

19
Maintenance
Clean the air conditioner and lters regularly to maximize performance and eciency, and prolong the unit’s life.
Be sure to always unplug the unit from the power outlet before cleaning.
Air Filter Cleaning
Check the air lter at least once a month to see if cleaning is necessary. Trapped particles in the lter can build up
and potentially cause an accumulation of frost on the cooling coils. After 250 hours of operation, the Check Filter
indicator will illuminate on the control panel as a reminder.
1. Push the vent handle to the “vent closed” position.
2. Open the front panel.
3. Grasp the lter at the center and pull up and out.
4. Wash the lter using liquid dishwashing detergent and warm water. Rinse the lter thoroughly.
5. Gently shake excess water from the lter. Be sure the lter is thoroughly dry before replacing it.
6. You may also gently clean the lter with a vacuum.
7. Reinstall the lter when it is thoroughly dry.
8. Press the Check Filter button on the Control Panel to reset the Check Filter timer.
Warning: Never use hot water over 40°C (104°F) to clean the air lter. Never attempt to operate
the unit without the air lter.
Winter Storage: If you plan to store the air conditioner during the winter, remove it carefully from
the window according to the installation instructions. Make sure to clean the unit thoroughly
and cover it with plastic or return it to the original carton.

20
Cabinet Cleaning
Normal Sounds
Error Codes
Energy Saving Guide
• Be sure to unplug the air conditioner to prevent shock or re hazard. The cabinet and front may be dusted with
an oil-free cloth or washed with a cloth dampened in a solution of warm water and mild dishwashing detergent.
Rinse thoroughly and wipe dry.
• Never use harsh cleaners, wax, or polish on the cabinet front.
• Be sure to wring excess water from the cloth before wiping around the controls. Excess water in or around the
controls may cause damage to the air conditioner.
• High Pitched Chatter-High eciency compressors may have a high pitched chatter during the cooling cycle.
• Sound of Rushing Air-At the front of the unit, you may hear the sound of rushing air being moved by the fan.
• Gurgle/Hiss-Gurgling or Hissing noises may be heard due to refrigerant passing through the evaporator during
normal operation.
• Vibration-The unit may vibrate and make noise because of poor wall or window construction or incorrect
installation.
• Pinging or Switching-Droplets of water hitting the condenser during normal operation may cause these sounds.
AS-Room temperature sensor error
ES-Evaporator temperature sensor error
Follow these tips to get the best performance and eciency from your air conditioner:
• Unplug the unit and plug it back in.
• If the error repeats call for service.
• In Fan Only mode it will display “LO” or “HI”.
• Unplug the unit and plug it back in.
• If the error repeats, call for service.
• Do not cover the air outlet (exhaust) while in use.
• Use the timer to operate the unit before it is needed. For example, set the timer to turn on the unit in cooling
mode for three (3) or more hours to cool the room before you arrive. You may want to operate the unit all day if
you live in a warmer climate.
• Minimize heat sources (direct sunlight, computers, servers, people, etc.) in the room.
• Close all windows and doors.
• Use the unit in a contained room. For example, a room with four walls and a ceiling, instead of a partitioned
studio or warehouse.
• Make sure the unit is secure in the window with no gaps where air can escape.
• Minimize the amount of humidity in the room. Run the unit as a dehumidier when necessary.
• To prolong the compressor's life, please wait at least three (3) minutes before turning the unit back on after
shutting it o.
• Inspect and keep the air lters clean by cleaning regularly.
• Perform routine maintenance.