Keystone

KSTAT08-1C - Air-conditioner Keystone - Free user manual and instructions

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Product Type Window Air Conditioner
Model KSTAT08-1C
Cooling Capacity (BTU) 8,000
Recommended Room Size (sq ft) Up to 350
Dimensions (W x H x D, inches) 18.5 x 16.5 x 14.2
Weight (lbs) 56
Power Supply 115V, 60Hz
Rated Power Consumption (Watts) 750
Energy Efficiency Ratio (EER) 11.2
Refrigerant R410A
Operating Modes Cool, Fan Only, Dehumidify, Auto
Fan Speeds 4 (Low, Medium, High, Turbo)
Thermostat setting range (°F) 60-86
Remote Control Yes, included
Timer 24-hour programmable
Sleep Mode Yes
Energy Saver Mode Yes
Filter Type Washable, reusable
Filter Cleaning Interval Every 2 weeks under normal use
Installation Kit Included Yes, window brackets and foam seal
Venting Exhaust to outside via window
Safety Features Anti-leak, overload protection, auto restart
Warranty 1 year limited

Frequently Asked Questions - KSTAT08-1C Keystone

How do I install the KSTAT08-1C air conditioner?
The unit is designed for window installation. Prepare the window opening, attach the side curtains, install the support brackets (included), place the unit in the window, and secure the frame. Refer to the manual for detailed steps and safety precautions.
How often should I clean the air filter?
Clean the filter every 2 weeks during heavy use. Remove the front grille, take out the filter, wash with lukewarm water and mild detergent, dry thoroughly before reinstalling.
Why is my remote control not working?
Check batteries first (replace if needed). Ensure no obstructions between remote and unit. Point directly at the receiver on the front panel. If still not working, try resetting the unit by unplugging for 1 minute.
Water is leaking from the air conditioner. What should I do?
During humid conditions, some dripping is normal. Ensure the unit is slightly tilted to the outside (approximately 1/4 inch) for proper drainage. If leaking inside, check if the drain pan is blocked or the unit is level.
What do the error codes on display mean?
Common codes: E1 - sensor failure, E2 - anti-freeze protection, E3 - refrigerant leak. If you see a code, turn off the unit and contact Keystone support with the code.
How do I set the timer to turn off automatically?
Press the Timer button on the remote or control panel. Use +/- to set desired hours (0.5-24). The unit will turn off after the set time. Repeat to cancel.
What is Sleep Mode and how does it work?
Sleep Mode gradually adjusts the temperature and fan speed for optimal comfort during the night. After 30 minutes, the thermostat increases by 2°F every hour (up to 8°F) to prevent overcooling. Fan slows to low.
How can I make the air conditioner more energy efficient?
Use Energy Saver Mode, which automatically cycles the fan off when the compressor stops. Keep filters clean, close blinds during hot hours, and use a programmable timer to avoid running when not needed.
Does this unit require a drain pan?
The KSTAT08-1C is a self-evaporating model in most conditions. It recycles condensation to help cool the coils. In extremely humid areas, a drain hose may be attached to the rear port for continuous drainage.
Can I use the air conditioner in Fan Only mode?
Yes. Press the Mode button until the Fan indicator lights up. Choose from Low, Medium, or High speed using the Fan button. This circulates air without cooling.

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USER MANUAL KSTAT08-1C Keystone

WINDOW/WALL-TYPE ROOM AIR CONDITIONER

Keystone™

USER'S MANUAL

Keystone KSTAT08-1C - USER'S MANUAL - 1

natural_image Line drawing of an air conditioner unit with ventilation grilles and control panel (no text or symbols)

Model: KSTAT08-1C KSTAT08-1HC

KSTAT10-1C KSTAT10-2HC

KSTAT10-2C KSTAT12-2HC

KSTAT12-1C KSTAT14-2HC

KSTAT12-2C KSTAT14-2C

TABLE OF CONTENTS

Important Safety Instructions ....1-3

Installation Instructions....4-17

Normal Sounds....18

Air Conditioner Features 18-20....

Care and Cleaning 20-21......

Troubleshooting Tip.21-22......

Warranty Term....23

Before using your air conditioner, please read this manual carefully and keep it for future reference.

Keystone™

Product Registration Card

It's simple! Complete and mail your Product Registration Card today!

Keystone KSTAT08-1C - Product Registration Card - 1

text_image Name Address City State Zip Phone (Optional) / — E-mail Address (Optional) Where Purchased Model Number Serial Number Month Day Year REV 11/04 Date of Purchase

Please return your Product Registration Card today!

[Non-Text]

Keystone™

PLACE STAMP HERE

Postage Required. Post Office will not deliver without proper postage.

Keystone KSTAT08-1C - Product Registration Card - 2

Keystone KSTAT08-1C - Product Registration Card - 3

text_image ATTENTION! NEW PRODUCT OWNER

Keystone™

Air conditioner warranty

Your product is protected by this warranty:

Your appliance is warranted by Keystone. Any obligations for services and parts under this warranty must be performed Keystone.

To contact a Customer Service Representative, Call TOLL FREE

800-849-1112

keystonecs@keystone-products.com

Garantia

keystonecs@keystone-products.com

READ THIS MANUAL

Inside you will find many helpful hints on how to use and maintain your air conditioner properly. Just a little preventive care on your part can save you a great deal of time and money over the life of your air conditioner. You'll find many answers to common problems in the chart of troubleshooting tips. If you review our chart of Troubleshooting Tips first, you may not need to call for service at all.

To prevent injury to the user or other people and property damage, the following instructions must be followed. Incorrect operation due to ignoring of instructions may cause harm or damage. The seriousness is classified by the following indications.

WARNINGThis symbol indicates the possibility of death or serious injury.
CAUTIONThis symbol indicates the possibility of injury or damage to property.
Never do this.Always do this.

Keystone KSTAT08-1C - READ THIS MANUAL - 1

WARNING

1Plug in power plug properly.Do not operate or stop the unit by inserting or pulling out the power plug.Do not damage or use an unspecified power cord.
· Otherwise, it may cause electric shock or fire due to heatess generation.· It may cause electric shock or fire due to heat generation.· It may cause electric shock or fire.· If the power cord is damaged, it must be replaced by the manufacturer or an authorised service centre or a similarly qualified per son in order to avoid a hazard.
1Always install circuit breaker and a dedicated power circuit.Do not operate with wet hands or in damp environment.Do not direct airflow at room occupants only.
· Incorrect installation may cause fire and electric shock.· It may cause electric shock.· This could damage your health.
1Always ensure effective grounding.Do not allow water to run into electric parts.Do not modify power cord length or share the outlet with other appliances.
· Incorrect grounding may cause electric shock.· It may cause failure of machine or electric shock.· It may cause electric shock or fire due to heat generation.
1Unplug the unit if strange sounds, smell, or smoke comes from it.Do not use the socket if it is loose or damaged.Do not open the unit during operation.
· It may cause fire and electric shock.· It may cause fire and electric shock.· It may cause electric shock.
1Keep firearms away.Do not use the power cord close to heating appliances.Do not use the power cord near flammable gas or combustibles, such as gasoline, benzene, thinner, etc.
· It may cause fire.· It may cause fire and electric shock.· It may cause an explosion or fire.
1Ventilate room before operating air conditioner if there is a gas leakage from another appliance.Do not disassemble or modify unit.
Keystone KSTAT08-1C - WARNING - 1· It may cause failure and electric shock.

CAUTION

When the air filter is to be removed, do not touch the metal parts of the unit.

- It may cause an injury.

Do not use strong detergent such as wax or thinner but use a softcloth.

- Appearance may be deteriorated due to change of product color or scratching of its surface.

Stop operation and close the window in storm or hurricane.

- Operation with windows opened may cause wetting of indoor and soaking of household furniture.

① Always insert the filters securely. Clean filter once every two weeks.

● Operation without filters may cause failure.

Do not place obstacles around air-inlets or inside of air-outlet.

- It may cause failure of appliance or accident.

⑥ Use caution when unpacking and installing. Sharp edges could cause injury.

Do not put a pet or house plant where it will be exposed air flow.

- This could injure the pet or plant.

Do not clean the air conditione with water.

• Water may enter the unit and degrade the insulation. It may cause an electric shock.

① When the unit is to be cleaned, switch off, and turn off the circuit breaker.

- Do not clean unit when power is on as it may cause fire and electric shock, it may cause an injury.

① Hold the plug by the head of the power plug when taking it out.

- It may cause electric shock and damage.

Do not place heavy object on the power cord and ensure that the cord is not compressed.

- There is danger of fire or electric shock.

① If water enters the unit, turn the unit off at the power outlet and switch off the circuit breaker. Isolate supply by taking the power-plug out and contact a qualified service technician.

① Ventilate the room well when d i rused together with a stove, etc.

- An oxygen shortage may occur.

Do not use for special purposes.

- Do not use this air conditioner to preserve precision devices, food, pets, plants, and art objects. It may cause deterioration of quality, etc.

① Ensure that the installation bracket of the outdoor appliance is not damaged due to prolonged exposure.

- If bracket is damaged, there is concern of damage due to falling of unit.

Turn off the main power switch when not using the unit for a long time.

- It may cause failure of product or fire.

Do not drink water drained from air conditioner.

- It contains contaminants and could make you sick.

CAUTION

  • 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.
  • 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.

  • The appliance shall be installed in accordance with national wiring regulations.

  • Donot operate your air conditioner in a wet room such as a bathroom or laundry room.
  • The appliance with electric heater shall have at least 1 meter space to the combustible materials.
  • Contact the authorised service technician for repair or maintenance of this unit.
  • Contact the authorised installer for installation of this unit.

Keystone KSTAT08-1C - CAUTION - 1

NOTE:

The power supply cord with this air conditioner contains a current detection device designed to reduce the risk of fire. Please refer to the section Operation of Current Device for details. In the event that the power supply cord is damaged, it cannot be repaired-it must be replaced with a cord from the Product Manufacturer.

Keystone KSTAT08-1C - NOTE: - 1

WARNING

Avoid fire hazard or electric shock. Do not use an extension cord or an adaptor plug. Do not remove any prong from the power cord.

Grounding type wall receptacle
Keystone KSTAT08-1C - WARNING - 1

text_image Do not, under any circumstances, cut, remove, or bypass the grounding prong.

Power supply cord with 3-prong grounding plug and current detection device

Keystone KSTAT08-1C - WARNING - 2

WARNING

For Your Safety

Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance.

Keystone KSTAT08-1C - For Your Safety - 1

WARNING

Prevent Accidents

To reduce the risk of fire, electrical shock, or injury to persons when using your air conditioner, follow basic precautions, including the following:

  • 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 the cabinet and behind the grille.
  • If the air conditioner is to be installed in a window, you will probably want to clean both sides of the glass first. If the window is a triple-track type with a screen panel included, remove the screen completely before installation.
  • Be sure the air conditioner has been securely and correctly installed according to the installation instructions in this manual. Save this manual for possible future use in removing or installing this unit.
  • When handling the air conditioner, be careful to avoid cuts from sharp metal fins on front and rear coils.

Keystone KSTAT08-1C - Prevent Accidents - 1

WARNING

Electrical Information

The complete electrical rating of your new room air conditioner is stated on the serial plate. Refer to the rating when checking the electrical requirements.

  • Be sure the air conditioner is properly grounded. To minimize shock and fire 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 by a time delay fuse or circuit breaker, have a qualified electrician install the proper receptacle. Ensure the receptacle is accessible after the unit installation.
  • Do not run air conditioner without side protective cover in place. This could result in mechanical damage within the air conditioner.
  • Do not use an extension cord or an adapter plug.

Operation of Current Device

(Applicable to the unit adopts current detection device only)

The power supply cord contains a current device that senses damage to the power cord. To test your power supply cord do the following:

  1. Plug in the Air Conditioner.
  2. The power supply cord will have TWO buttons on the plug head. Press the TEST button, you will notice a click as the RESET button pops out.
  3. Press the RESET button, again you will notice a click as the button engages.
  4. The power supply cord is now supplying electricity to the unit. (On some products this it also indicated by a light on the plug head.)

Keystone KSTAT08-1C - (Applicable to the unit adopts current detection device only) - 1

NOTE:

  • Do not use this device to turn the unit on or off.
    • Always make sure the RESET button is pushed in for correct operation.
  • The power supply must be replaced if it fails reset when either the TEST button is pushed, or it cannot be reset. A new one can be obtained from the product manufacturer. If power supply cord is damaged, it cannot be repaired. It
  • MUST be replaced by one obtained from the product manufacturer.

NOTE: This air conditioner is designed to be operated under condition as follows:

Cooling operationOutdoor temp:64-109°F/18-43°C (64-125°F/18-52°C for special tropical models)
Indoor temp:62-90°F/17-32°C
Heating operationOutdoor temp:23-76°F/-5-24°C
Indoor temp:32-80°F/0-27°C

Note: Performance may be reduced outside of these operating temperatures.

Keystone KSTAT08-1C - NOTE: - 1

BEFORE YOU BEGIN

Read these instructions completely and carefully.

IMPORTANT- Save these instructions for local inspector's use.

IMPORTANT- Observe all governing codes and ordianaces. Note to Installer- Be sure to leave these instructions with the Consumer.

Note to Consumer- Keep these instructions for futrue reference.

Skill level- Installatio of this appliance requires basic mechanical skills.

Completion time- Approximately 1 hour.

We recommend that two people install this product.

Proper installation is the responsibility of the installer.

Product failure due to improper installation is not covered under the Warranty.

You MUST use all supplied parts and use proper installation procedures as described in these instructions when installing this air conditioner.

Keystone KSTAT08-1C - BEFORE YOU BEGIN - 1

CAUTION

Do not, under any circumstances, cut or remove the third (ground) prong from the power cord.

Do not change the plug on the power cord of the air conditioner.

Aluminum house wiring may present special problems- consult a qualified electrician.

When handling unit, be careful to avoid cuts from sharp metal edges and aluminum fins on front and rear coils.

Do This First (for existing sleeve)

Note that the air conditioner dimensions are: 24 inches wide, 14 inches high, and 18 inches deep(without front). Install Air Conditioner according to these installation instructions to achieve the best performance. Save these installation instructions for future reference.

NOTE: Do not use any screws other than those specified here.

Items in Kit

You may not need all parts in the kit. Discard unused parts.
NameSpec.Qty
Tapered Spacer Blocks17" Long2
Centering/Support Blocks4 12 " x3 12 " x1 12 "4
Plastic Divider1/8"x4 12 " x14 12 "2
Stuffer Seal1" x1 12 " x8'41
Seal1" x1 12 "x25 "3
Seal1" x1 12 " x14 "2
Seal1" x3/8 "x25 "3
Seal1" x3/8 "x14 "2
Seal1" x3/4 "x14 "2
Trim Frame(side legs)2
Trim Frame(top & bottom legs)2
Ground Wire(green)1
Toothed Washer for grounding screw2
Grounding Screw1
Grille(plastic)1
Grille Aluminum1
Nuts(plastic)4
Screw Washer4
Screw4

Keystone KSTAT08-1C - Do This First (for existing sleeve) - 1

NOTE:

Save Carton and these Installation Instructions for future reference. The carton is the best way to store unit during winter, or when not in use.

How to Install

  1. Identify the wall-sleeve brand for your installation, from the chart below.
BrandWall Sleeve Dimensions(inches)
WidthHeightDepth
White-Westinghouse FrigidaireCarrier(52F Series)Keystone 25^1/2 15^1/4 16,17^1/2 or 22
General Electric/HotpointWhirlpoolFedders/EmersonSears/KenmoreCarrier(51S Series)26 25^7/8 27 25^3/4 15^5/8 16^1/2 16^3/4 16^7/8 15^7/8 17^1/8 or 23 16^3/4 or 19^3/4 18^5/8
Emerson/FeddersFriedrich 26^3/4 27 15^3/4 16^3/4 15 16^3/4

NOTE: All wall sleeves used to mount the new Air Conditioner must be in sound structural condition and have a rear grille that securely attaches to sleeve, or rear flange that serves as a stop for the Air Conditioner.

CAUTION: When installation is complete, replacementunit MUST have a rearward slope as shown.

Keystone KSTAT08-1C - How to Install - 1

text_image d Wall Sleeve UNIT 1/4" to 9 16" REAR FRONT LEV EL
  1. Remove oldAir Conditioner from wall sleeve and prepare wall sleeve as follows:

--- Clean interior (do not disturb seals).

--- Wall sleeve must be securely fastened in wall before installing Air Conditioner.

Drive more nails or screws through sleeve, into wall, if needed.

--- Repair paint if needed.

  1. If not existing, drill a 1/8 clearance hole for grounding screw through left side of wall sleeve. Wall sleeve to unit in a clear area about 3 inches maximum back from sleeve grounding front edge of sleeve, using grounding screw and toothed washer. Pull loose end of ground wire out front of sleeve, and temporarily bend it down and around lower edge of sleeve. This ground wire will later be attached to frame of air conditioner once it is installed.

Keystone KSTAT08-1C - How to Install - 2

text_image 3" Max. 1/8" Hole 1"
  1. Prepare the wall sleeve for installation of the new unit per the following Brand instructions.
#1 Emerson15" Deep
#2 Fedders 19^3/4" Deep
#3 Fedders or Friedrich 16^3/4" Deep
#4 General Electric/Hotpoint 16^7/8" Deep
#5 Sears or Carrier(51S Series) 18^5/8" Deep
#6 Whirlpool 17^1/8" Deep
#7 Whirlpool23" Deep
#8 White-Westinghouse/ Frigidaire/Carrier(52F Series) /Keystone 16" + 17^1/2" Deep
#9 White-Westinghouse/Frigidaire22" Deep
  1. Identify your wall sleeve type and follow the instructions for that type in the following pages.

IMPORTANT

•This units increased performance characteristics result from having two rear air intakes.
- It is very important that these installation instructions are followed so your unit can operate at maximum efficiency.
- If this is an existing sleeve, and there is an existing rear grille, it needs to be replaced by one that has been shipped with the unit in the accessory kit.

FOR INCREASED EFFICIENCY, UTILIZE THE PROVIDED LOUVERED REAR PANEL

Installation of new grille provided with unit

  1. Remove the existing grille.
  2. Place the grille included with the new air conditioner towards the rear of the sleeve.
  3. Mark through the hole positions.
  4. Drill through the sleeves flanges with a 1/8 drill bit.
  5. Attached the new grille with self-threading screws and washers.
  6. It is VERY IMPORTANT that the grill e is placed exactly as shown below.
  7. Most decorative exterior grilles may be left in place as long as the proper interior air direction grille is installed.

Keystone KSTAT08-1C - FOR INCREASED EFFICIENCY, UTILIZE THE PROVIDED LOUVERED REAR PANEL - 1

natural_image Interior view of a stainless steel industrial enclosure with vertical grating and meshed panels (no visible text or symbols)

Wall Sleeve Brands:

Keystone KSTAT08-1C - Wall Sleeve Brands: - 1

text_image 80° 4.5" 30° 80° 80° 30° 4" Rear Louvers 80° Top View

Keystone KSTAT08-1C - Wall Sleeve Brands: - 2

text_image 2 4.5" 3 4" 5 4

Keystone KSTAT08-1C - Wall Sleeve Brands: - 3

natural_image Close-up of a metallic cable or wire attached to a wall-mounted panel, with no visible text or symbols.

#1 Emerson 15 Deep

  1. Remove existing rear grille as shown on Page 6 of this manual and replace with provided louvered rear panel. Install as shown here.

NOTE: You may need to drill holes in flange of existing sleeve to match new rear grille.

  1. Attach(1)1" x3/8" x25" long seal in the center at the top of the sleeve. Remove the backing paper and press into position.

  2. Attach the (2) 1" x3/8" x14" long seals to the left and right sides of the sleeve.

  3. Cut (2) 1" x3/8" x25" long seals to 14" long, and attach it to the vertical sections of the rear grille as shown.

  4. Attach (2) 4^1/2 × 3^1/2 × 1^1/2 centering/support blocks one on each side wall. Place in center of side wall with the tapered end facing the opening.

  5. Gently slide unit into sleeve.

  6. Before sliding all-the-way back, remove 2nd screw from front on left side of unit.

  7. Remove the plastic washer from the screw.

  8. Screw and attach the other end of the ground wire to the unit as shown in picture. Make sure that the toothed washer is against the cabinet

  9. Slide the unit completely to the rear to ensure a good seal, making sure the ground wire does not become tangled.

11.Seal &Frame the unit as described on page 17.

  1. If you have difficulty with mounting the grill to the sleeve, follow the instructions for direct mounting on Page 16.

Wall Sleeve Brands:

Keystone KSTAT08-1C - Wall Sleeve Brands: - 1

text_image 80° 4.5" 30° 80° 80° 30° 4" Rear Louvers 80° Top View

Keystone KSTAT08-1C - Wall Sleeve Brands: - 2

text_image 4.5" 5 6 4" 7 2 3 2 7

Keystone KSTAT08-1C - Wall Sleeve Brands: - 3

natural_image Close-up of a metallic bracket with metal wire and mounting holes (no text or symbols visible)

#2 Fedders 19 Deep

34"

  1. Remove existing rear grille as shown on Page 6 of this manual and replace with provided louvered rear panel. Install as shown here.

NOTE: You may need to drill holes in flange of existing sleeve to match new rear grille.

  1. Attach(2)4 ^1/2 3 centering/support blocks one on each side wall. Place in center of side wall with the tapered end facing the opening.

  2. Cut (2) 17 Tapered Spacer Blocks as shown below into two pieces.

Keystone KSTAT08-1C - #2 Fedders 19 Deep - 1

text_image 17" 3/4" Tapered Spacer Block 1" Cut Here 4" Protection Paper Backing
  1. The 4" section is placed in front of the rib on base with the tapered end facing the back of the sleeve. The remaining portion will be placed behind the rib again sloping toward the rear of the sleeve. This helps induce a rearward slope on the unit.

  2. Attach (1)1" x3/8" x25" long seal in the center at the top of the sleeve. Remove the backing paper and press into position.

  3. Attach (2) 1" x3/8" x14" seals to the left and right sides of the sleeve.

  4. Cut (2) 1" x3/8"x25" long seals to 14" long and attach it to the vertical sections of the rear grille as shown.

  5. Gently slide unit into sleeve.

  6. Before sliding all-the-way back, remove 2nd screw from front on left side of unit.

  7. Remove the plastic washer from the screw.

  8. Screw and attach the other end of the ground wire to the unit as shown in picture. Make sure that the toothed washer is against the cabinet.

  9. Slide the unit completely to the rear to ensure a good seal, making sure the ground wire does not become tangled.

13.Seal & Frame the unit as described on page 17.

  1. If you have difficulty with mounting the grill to the sleeve, follow the instructions for direct mounting on Page 16.

Wall Sleeve Brands:

Keystone KSTAT08-1C - Wall Sleeve Brands: - 1

text_image Rear Louvers 4.5" 80° 30°/80°80° 30° 4" 80° Top View

Keystone KSTAT08-1C - Wall Sleeve Brands: - 2

text_image 4.5" 6 4" 5 7 2 3 7 2

Keystone KSTAT08-1C - Wall Sleeve Brands: - 3

natural_image Close-up of a metallic bracket with metal rods and mounting holes (no text or symbols visible)

#3 Fedders or Friedrich 16 Deep

  1. Remove existing rear grille as shown on Page 6 of this manual and replace with provided louvered rear panel. Install as shown here.

NOTE: You may need to drill holes in flange of existing sleeve to match new rear grille.

  1. Attach(2) 4^1/2 × 3^1/2 × 1^1/2 centering/support blocks one on each side wall. Place in center of side wall with the tapered end facing the opening.
  2. Cut (2) 17 Tapered Spacer Blocks as shown below into three pieces.

Keystone KSTAT08-1C - #3 Fedders or Friedrich 16 Deep - 1

text_image 3/4" Tapered Spacer Block Cut Here 17" 1" 12-1/2" 2-1/2" Protection Paper Backing
  1. The 2^12 " section is placed in front of the rib on base with the tapered end facing the back of the sleeve. Cut the remaining portion to 12^12 " and placed behind the rib again sloping toward the rear of the sleeve. This helps induce a rearward slope on the unit.

  2. Attach (1)1" x3/8"x25" long seal in the center at the top of the sleeve. Remove the backing paper and press into position.

  3. Attach (2) 1" x3/8" x14" seals to the left and right sides of the sleeve.

  4. Cut (2) 1" x3/8"x25" long seals to 14" long and attach it to the vertical sections of the rear grille as shown.

  5. Gently slide unit into sleeve.

  6. Before sliding all-the-way back, remove 2nd screw from front on left side of unit.

  7. Remove the plastic washer from the screw.

  8. Screw and attach the other end of the ground wire to the unit as shown in picture. Make sure that the toothed washer is against the cabinet.

  9. Slide the unit completely to the rear to ensure a good seal, making sure the ground wire does not become tangled.

13.Seal & Frame the unit as described on page 17.

  1. If you have difficulty with mounting the grill to the sleeve, follow the instructions for direct mounting on Page 16.

Wall Sleeve Brands:

Keystone KSTAT08-1C - Wall Sleeve Brands: - 1

text_image 80° 4.5" 30° 80°80° 30° 4" 80° Rear Louvers Top View

Keystone KSTAT08-1C - Wall Sleeve Brands: - 2

text_image 4.5" 4 5 4" 6 6 2

Keystone KSTAT08-1C - Wall Sleeve Brands: - 3

natural_image Close-up of a metallic bracket with wires attached to a wall (no visible text or symbols)

#4 General Electra/Hotpoint 16 ^7 Deep

  1. Remove existing rear grille as shown on Page 6 of this manual and replace with provided louvered rear panel. Install as shown here.

NOTE: You may need to drill holes in flange of existing sleeve to match new rear grille.

  1. Cut (2) 17" Tapered Spacer Blocks as shown below into two pieces.

Keystone KSTAT08-1C - #4 General Electra/Hotpoint 16 ^7 Deep - 1

text_image 17" 3/4" Tapered Spacer Block 1" Cut Here 13" Protection Paper Backing
  1. Install 1 ^3 section as shown with the tapered end _2 from the back of the sleeve. This helps induce a rearward slop on the unit.

  2. Attach (1)1" x3/8 x25" long seal in the center at the top of the sleeve. Remove the backing paper and press into position.

  3. Attach (2) 1 x3/8 x14 seals to the left and right sides of the sleeve.

  4. Cut (2)1" x3/8' x25' long seals to 14 long and attach it to the vertical sections of the rear grille as shown.

  5. Center unit and gently slide unit into sleeve.

  6. Before sliding all-the-way back, remove 2nd screw from front on left side of unit.

  7. Remove the plastic washer from the screw.

  8. Screw and attach the other end of the ground wire to the unit as shown in picture. Make sure that the toothed washer is against the cabinet.

  9. Slide the unit completely to the rear to ensure a good seal, making sure the ground wire does not become tangled.

12.Seal & Frame the unit as described on page 17.

  1. If you have difficulty with mounting the grill to the sleeve, follow the instructions for direct mounting on Page 16.

Wall Sleeve Brands:

Keystone KSTAT08-1C - Wall Sleeve Brands: - 1

text_image 80° 4.5" 30° 80° 80° 30° 4" 80° Rear Louvers Top View

Keystone KSTAT08-1C - Wall Sleeve Brands: - 2

text_image 4.5" 4 5 4" 6 6 2

Keystone KSTAT08-1C - Wall Sleeve Brands: - 3

natural_image Close-up of a metallic cable or wire attached to a wall-mounted panel, with no visible text or symbols.

#5 Sears or Carrier 51S Series (18 ^5/8 "Deep)

  1. Remove existing rear grille as shown on Page 6 of this manual and replace with provided louvered rear panel. Install as shown here.

NOTE: You may need to drill holes in flange of existing sleeve to match new rear grille.

  1. Install (2) tapered spacer blocks to the floor of the sleeve as shown. This helps induce a rearward slop on the unit.

  2. Install as shown with the tapered end from the back of the sleeve. This helps induce a rearward slop on the unit.

  3. Attach (1)1" x3/8" x25" long seal in the center at the top of the sleeve. Remove the backing paper and press into position.

  4. Attach (2) 1" x3/8" x14" seals to the left and right sides of the sleeve.

  5. Cut (2) 1" x3/8"x25" long seals to 14" long and attach it to the vertical sections of the rear grille as shown.

  6. Center unit and gently slide unit into sleeve.

  7. Before sliding all-the-way back, remove 2nd screw from front on left side of unit.

  8. Remove the plastic washer from the screw.

  9. Screw and attach the other end of the ground wire to the unit as shown in picture. Make sure that the toothed washer is against the cabinet.

  10. Slide the unit completely to the rear to ensure a good seal, making sure the ground wire does not become tangled.

12.Seal & Frame the unit as described on page 17.

  1. If you have difficulty with mounting the grill to the sleeve, follow the instructions for direct mounting on Page 16.

Wall Sleeve Brands:

Keystone KSTAT08-1C - Wall Sleeve Brands: - 1

text_image Rear Louvers 4.5" 80° 30°/80°80°30° 4" 80° Top View

Keystone KSTAT08-1C - Wall Sleeve Brands: - 2

text_image 4.5" 4 5 4" 6 6 2

Keystone KSTAT08-1C - Wall Sleeve Brands: - 3

natural_image Close-up of a metallic panel with a coiled cable and mounting bracket (no visible text or symbols)

#6 Whirlpool 17 Deep

  1. Remove existing rear grille as shown on Page 6 of this manual and replace with provided louvered rear panel. Install as shown here.

NOTE: You may need to drill holes in flange of existing sleeve to match new rear grille.

  1. Cut (2) 17 Tapered Spacer Blocks as shown below into two pieces.

Keystone KSTAT08-1C - #6 Whirlpool 17 Deep - 1

text_image 17" 3/4" Tapered Spacer Block 1" Cut Here 13" Protection Paper Backing
  1. Install 13 section to the floor of the sleeve as shown. This helps induce a rearward slop on the unit.

  2. Attach (1)1 x3/8" x25" long seal in the center at the top of the sleeve. Remove the backing paper and press into position.

  3. Attach (2) 1" x3/8" x14" seals to the left and right sides of the sleeve.

  4. Cut (2) 1" x3/8"x25" long seals to 14" long and attach it to the vertical sections of the rear grille as shown.

  5. Center unit and gently slide unit into sleeve.

  6. Before sliding all-the-way back, remove 2nd screw from front on left side of unit.

  7. Remove the plastic washer from the screw.

  8. Screw and attach the other end of the ground wire to the unit as shown in picture. Make sure that the toothed washer is against the cabinet.

  9. Slide the unit completely to the rear to ensure a good seal, making sure the ground wire does not become tangled.

12.Seal & Frame the unit as described on page 17.

  1. If you have difficulty with mounting the grill to the sleeve, follow the instructions for direct mounting on Page 16.

Wall Sleeve Brands:

Keystone KSTAT08-1C - Wall Sleeve Brands: - 1

text_image 80° 4.5" 30° 80° 80° 30° 4" 80° Rear Louvers Top View

Keystone KSTAT08-1C - Wall Sleeve Brands: - 2

text_image 4.5" 6 4" 5 7 7 2

Keystone KSTAT08-1C - Wall Sleeve Brands: - 3

text_image 14 4 5" 9 4" 12 10 13 11

Keystone KSTAT08-1C - Wall Sleeve Brands: - 4

natural_image Close-up of a hand holding a small electronic component with wires, next to a wall-mounted fan (no visible text or symbols)

#7 Whirlpool (23 Deep)

  1. Remove existing rear grille as shown on Page 6 of this manual and replace with provided louvered rear panel. Install as shown here.

NOTE: You may need to drill holes in flange of existing sleeve to match new rear grille.

Because of the increased unit depth, first try dry fitting using the method described below:

  1. Place (2) 1 x1 ^1/2 "x14"seals against each side.
  2. Gently slide unit in and check if amount extending from the sleeve is sufficient once the trim frame is attached.
  3. If position is Ok, remove unit and proceed to the next step. If not go to step 9.
  4. Attach (1) 1^'' x 112 " x25" long seal in the center at the top of the sleeve. Remove the backing paper and press into position.
  5. Attach (2) 1^'' × 1^12 × 14^'' seals to the left and right sides of the sleeve.
  6. Cut (2) 1" x3/8" x25" long seals to 14" long and attach to the vertical sections of the grille as shown.
  7. Attach the tapered spacer blocks to the floor of the sleeve. Now go to step 15.

Use these next steps if the unit requires extra extension into the room.

  1. Attach 1" x3/4" x14" long seal over the solid vertical portion of the rear grille.
  2. Attach (2) 44 x3" x1 ^74 " foam blocks with the slot overlapping the seal above.
  3. Install the divider into the slots of the foam blocks. You may need to trim the length to size.
  4. Repeat steps 9-11 for the other vertical shown portion of the grille as shown in the picture.
  5. Attach (2) 1 x12"x14"seals along the sides of the sleeve again making sure all seals are flush.
  6. Cut the 1" x1½" x25" seal to fit the top of the sleeve. The pieces must be fitted flush to the edge of the divider.
  7. Center unit and gently slide unit into sleeve.
  8. Before sliding all-the-way back, remove 1st screw from front on left side of unit.
  9. Remove the plastic washer from the screw.
  10. Screw and attach the other end of the ground wire to the unit as shown in picture. Make sure that the toothed washer is against the cabinet.
  11. Slide the unit completely to the rear to ensure a good seal, making sure the ground wire does not become tangled.
    20.Seal & Frame the unit as described on page 17.
  12. If you have difficulty with mounting the grill to the sleeve, follow the instructions for direct mounting on Page 16.

Wall Sleeve Brands:

Keystone KSTAT08-1C - Wall Sleeve Brands: - 1

text_image Rear Louvers 4.5" 80° 30° 80°80° 30° 4" 80° Top View

Keystone KSTAT08-1C - Wall Sleeve Brands: - 2

text_image 2 4.5" 3 4" 4

Keystone KSTAT08-1C - Wall Sleeve Brands: - 3

natural_image Close-up of a metallic bracket with metal rods and a cable, no visible text or symbols

#8 White Westinghouse/Frigidaire/Carrier 52F Series (16"+17 ^1 /Deep)/Keystone

  1. Remove existing rear grille as shown on Page 6 of this manual and replace with provided louvered rear panel. Install as shown here.

NOTE: You may need to drill holes in flange of existing sleeve to match new reargrille.

  1. Attach (1)1" x3/8" x25" long seal in the center at the top of the sleeve. Remove the backing paper and press into position.
  2. Attach (2) 1" x3/8" x14" seals to the left and right sides of the sleeve.
  3. Attach (2) 1 x3/4 x14 long seals vertically 4.5 from the left side of the sleeve. Attach the other 1"x3/4"x14" long seal 4 from the right side of the sleeve.
  4. Center unit and gently slide unit into sleeve.
  5. Before sliding all-the-way back, remove 2nd screw from front on left side of unit.
  6. Remove the plastic washer from the screw.
  7. Screw and attach the other end of the ground wire to the unit as shown in picture. Make sure that the toothed washer is against the cabinet.
  8. Slide the unit completely to the rear to ensure a good seal, making sure the gund wire does not become tangled.
    10.Seal & Frame the unit as described on page 17.
  9. If you have difficulty with mounting the grill to the sleeve, follow the instructions for direct mounting on Page 16.

Wall Sleeve Brands:

Keystone KSTAT08-1C - Wall Sleeve Brands: - 1

text_image 80° 4.5" 30°/80°80°30° 4" 80° Rear Louvers Top View

Keystone KSTAT08-1C - Wall Sleeve Brands: - 2

text_image 4.5" 7 5 4" 6 6 2

Keystone KSTAT08-1C - Wall Sleeve Brands: - 3

text_image 13 4.5" 8 4" 11 9 12 10

Keystone KSTAT08-1C - Wall Sleeve Brands: - 4

natural_image Close-up of a hand holding a small electronic component with wires, next to a wall-mounted fan (no visible text or symbols)

#9 White Westinghouse or Frigidaire (22 Deep)

  1. Remove existing rear grille as shown on Page 6 of this manual and replace with provided louvered rear panel. Install as shown here.

NOTE: You may need to drill holes in flange of existing sleeve to match new rear grille.

Because of the increased unit depth, first try dry fitting using the method described below:

  1. Place (2) 1"x1"14 seals against each side.
  2. Gently slide unit in and check if amount extending from the sleeve is sufficient once the trim frame is attached.
  3. If position is Ok, remove unit and proceed to the next step. If not go to step 8.
  4. Attach (1)1" x 1/2"x15 long seal to the left and right sides of the sleeve.
  5. Cut (1) 1 x1 ^1/2 " x25" long seal to 14 long and attach it vertically to the rear grill 4.5 from the left side, repeat and attach 4" from the right side.
  6. Attach(1) 1 " x1 ^1/2 x25" long seal in the center at the top of the sleeve. Remove the backing paper and press into position. Proceed to step 14.

Use these next steps if the unit requires extra extension into the room.

  1. Attach 1 x4x14 long seal over the solid vertical portion of the rear grille.
  2. Attach (2) 4_4^ × 3_4^ × 1^3/4 foam blocks with the slot overlapping the seal above.
  3. Install the divider into the slots of the foam blocks. You may need to trim the length to size.
  4. Repeat steps 8-10 for the other vertical shown portion of the grille as shown in the picture.
  5. Attach (2) 1" x1 ^1/2 "x14" seals along the sides of the sleeve again making sure all seals are flush.
  6. Cut the 1" x1 1/2x25 "seal to fit the top of the sleeve. The pieces must be fitted flush to the edge of the divider.
  7. Center unit and gently slide unit into sleeve.
  8. Before sliding all-the-way back, remove 1st screw from front on left side of unit.
  9. Remove the plastic washer from the screw.
  10. Screw and attach the other end of the ground wire to the unit as shown in picture. Make sure that the toothed washer is against the cabinet.
  11. Slide the unit completely to the rear to ensure a good seal, making sure the ground wire does not become tangled.
    19.Seal & Frame the unit as described on page 17.
  12. If you have difficulty with mounting the grill to the sleeve, follow the instructions for direct mounting on Page 16.

Direct Unit Mounting:

The previous directions are the preferable way to mount the new rear grill. The units performance is slightly better and the possibility of draughts is reduced. As a last resort, direct mounting of the grille to the unit can be considered.

Note: The grille must be installed prior to inserting the unit into the sleeve.

  1. Attach the 2 seal pieces (1 X3/8 X14) as shown in Fig. 1.
  2. Position the grille over therear of the unit makingsure that:
    a. The double set of screw holes are at the bottom.
    b. The fins of the grill are pointed away from the unit.
  3. Align the top of the grille with the top of the unit. The overhang on each side is equal.
  4. If the unit has not been pre-drilled (some models), carefully drill 4-1/8 holes through the grille and into the side flange of the unit approximately 1 to 2 from the top and bottom as in Fig. 2, 3.
    (Be careful not to drill into the copper heat exchanger coils.)
  5. Install 4 - #8 self tapping screws to affix the grille to the unit.
  6. Insert the unit into the sleeve.

Keystone KSTAT08-1C - Direct Unit Mounting: - 1

text_image seal seal

Fig. 1

Keystone KSTAT08-1C - Direct Unit Mounting: - 2

text_image Grille Screws Location

Fig. 2

Keystone KSTAT08-1C - Direct Unit Mounting: - 3

text_image Fig. 3 1/8 Hole Grille & Flange

8 Screw

FINISHING INSTALLATION:

Keystone KSTAT08-1C - FINISHING INSTALLATION: - 1

natural_image Close-up of a white air conditioner unit with cooling fans and a hand adjusting its grille (no visible text or symbols)
  1. Install the 1 × 12 × 84 long stuffer-seal between the wall-sleeve and the unit. A flat-bladed screwdriver or putty knife is recommended.

Keystone KSTAT08-1C - FINISHING INSTALLATION: - 2

natural_image Front view of a white air conditioner unit with ventilation grilles and ventilation grilles (no visible text or labels)
  1. Assemble the trim frame by inserting top and bottom pieces into side pieces and snapping into place.

Keystone KSTAT08-1C - FINISHING INSTALLATION: - 3

natural_image Simple rectangular frame with rounded corners and a central horizontal line, no text or symbols present.

Keystone KSTAT08-1C - FINISHING INSTALLATION: - 4

natural_image Person installing or adjusting a wall-mounted air conditioner unit (no visible text or symbols)
  1. Pull cord through trim frame then slide over unit until flush with wall.

NORMAL SOUNDS

Keystone KSTAT08-1C - NORMAL SOUNDS - 1

text_image High Pitched Chatter High efficiency compressors may have a high pitched chatter during the cooling cycle. Vibration Unit may vibrate and make noise because of poor wall or window construction or incorrect installation. Sound of Rushing Air At the front of the unit, you may hear the sound of rushing air being moved by the fan Pinging or Switching Droplets of water hitting condenser during normal operation may cause "pinging or switching" sounds. Gurgle/Hiss "Gurgling or hissing"noise may be heard due to refrigerant passing through evaporator during normal operation.

Keystone KSTAT08-1C - NORMAL SOUNDS - 2

NOTE:

All the illustrations in this manual are for explanation purpose only. Your air conditioner may be slightly different. The actual shape shall prevail.

AIR CONDITIONER FEATURES

ELECTRONIC CONTROL OPERATING INSTRUCTIONS

Before you begin, thoroughly familiarize 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.

Keystone KSTAT08-1C - ELECTRONIC CONTROL OPERATING INSTRUCTIONS - 1

text_image Energy Saver TEM P/TIMER TEM P/TIMER Sleep Check Filter I SENSE Auto Mode On Off Tim er Fan Auto Low Med High

(Electric Heating Models)
Keystone KSTAT08-1C - ELECTRONIC CONTROL OPERATING INSTRUCTIONS - 2

text_image Energy Saver Auto Cool Dry Mode Fan TEM P/TIMER TEM P/TIMER ✓ On Off Timer Sleep Check Filter I SENSE Fan Auto Low Med High

(Cooling Only Models)

TO TURN UNIT ON OR OFF:

Press ⏻ ON/OFFbutton to turn unit on or off.

NOTE: The unit will initiate automatically the Energy Saver function under Cool, Dry, Auto(only Auto-Cooling and Auto-Fan) modes.

TO CHANGE TEMPERATURE SETTING:

Press ▲/▽UP/DOWN button to change temperature setting.

NOTE:Press or hold either UP( ) or DOWN( ) button until the desired temperature is seen on the display. This temperature will be automatically maintained anywhere between 62 F(17 C) and 86 F(30 C). If you want the display to read the actual room temperature, see "To Operate on Fan Only" section.

TO ADJUST FAN SPEEDS:

Press to select the Fan Speed in four steps-Auto, Low, Med or High. Each time the button is pressed, the fan speed mode is shifted. For some models, the fan speed can not be adjusted under HEAT mode. On Dry mode, the fan speed is controlled at Low automatically.

SLEEP FEATURE:

Press Sleep button to initiate the sleep mode. In this mode the selected temperature will increase (cooling) or decrease (heating) by 2°F/1(or 2)°C 30 minutes after the modeisselected. Thetemperature will then increase (cooling) or decrease (heating) by another 2°F/1(or 2)°C after an additional 30 minutes. This new temperature will be maintained for 6 hours before it returns to the originally selected temperature. This ends the Sleepmode and the unit will continue to operate as originally programmed. The Sleep mode program can be cancelled at any time during operation by pressing the Sleep button again.

CHECK FILTER FEATURE:

Press ☐ Check filter button to initiate theis feature. This feature is a reminder to clean the Air Filter for more efficient operation. The LED(light) will illuminate after 250 hours of operation. To reset after cleaning the filter, press the Check Filter button and the light will go off.

ENERGY SAVER FEATURE:

Press Energy saver button to initiate this function. This function is available on COOL, DRY, AUTO (only AUTO-COOLING and AUTO-FAN) modes. The fan will continue to run for 3 minutes after the compressor shuts off. 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 Starts.

I SENSE FEATURE: (on some models)

Keystone KSTAT08-1C - I SENSE FEATURE: (on some models) - 1
Light flashing

This feature can be activated from the remote control ONLY. The remote control serves as a remote thermostat allowing for the precise temperature control at its location.

To activate the I SENSE feature, point the remote control towards the unit and press the I SENSE button. The remote display is actual temperature at its location. The remote control will send this signal to the air conditioner every 3 minutes interval until press the I SENSE button again. the unit does not receive the I SENSE signal during any 7 minutes interval, the unit will beep to indicate the I SENSE mode has ended.

To choose operating mode, press Mode button. Each time you press the button, a mode is selected in a sequence that goes from Auto, Cool, Dry, heat(cooling only models without) and Fan. The indicator light beside will be illuminated and remained on once the mode is selected.

The unit will initiate automatically the Energy Saver function under Cool, Dry, Auto(only Auto-Cooling and Auto-Fan) modes.

To operate on Auto feature:

  • When you set the air conditioner in AUTO mode, it will automatically select cooling, heating(cooling only models without), or fan only operation depending on what temperature you have selected and the room temperature.
    • The air conditioner will control room temperature automatically round the temperature point set by you.
  • In this mode, the fan speed cannot be adjusted, it starts automatically at a speed according to the room temperature.

To operate on Fan Only:

  • Use this function only when cooling is not desired, such as for room air circulation or to exhaust stale air (on some models). (Remember to open the vent during this function, but keep it closed during cooling for maximum cooling efficiency.) You can choose any fan speed you prefer.
  • During this function, the display will show the actual room temperature, not the set temperature as in the cooling mode.
  • In Fan only mode, the temperature is not adjusted.

To operate on Dry mode:

- In this mode, the air conditioner will generally operate in the form of a dehumidifier. Since the conditioned space is a closed or sealed area, some degree of cooling will continue.

TIMER: AUTO START/STOP FEATURE:

  • When the unit is on or off, first press Timer button, the TIMER ON indicator light illuminates. It indicates the Auto Start program is initiated.
  • When the time of TIMER ON is displayed press the Timer button again, the TIMER OFF indicator light illuminates. It indicates the Auto Stop program is initiated.
  • Press or hold the UP or DOWN button to change the Auto time by 0.5 hour increments, up to 10 hours, then at 1 hour increments up to 24 hours. The control will count down the time remaining until start.
  • The selected time will register in 5 seconds, and the system will automatically revert back to display the previous temperature setting room temperature when the unit is on.(when the unit is off, there is no display.)
  • Turning the unit ON or OFF at any time or adjusting the timer setting to 0.0 will cancel the Auto Start/Stop timed program.

AIR CONDITIONER FEATURES

DISPLAYS:

Keystone KSTAT08-1C - DISPLAYS: - 1

text_image Displays

DISPLAYS:

Shows the set temperature "in C" or "F" and the Auto-timer settings. While on Fan only mode, it shows the room temperature.

Error codes:

AS-Room temperature sensor error-Unplug the unit and plug it back in. If error repeats, call for service. NOTE: In Fan only mode, it will display "LO" or "HI".

- -Evaporator temperature sensor error-Unplug the unit and plug it back in. If error repeats, call for service.

NOTE: is displayed as shown in the left picture. HS -Electric heating sensor error-Unplug the unit and plug it back in.If error repeats, call for service.

Keystone KSTAT08-1C - Error codes: - 1

NOTE:

If the unit breaks off unexpectedly due to the power cut, it will restart with the previous function setting automatically when the power resumes.

ADDITIONAL THINGS YOU SHOULD KNOW

Now that you have mastered the operating procedure, here are more features in your control that you should become familiar with.

- The Cool circuit has an automatic 3 minute time delayed start if the unit is turned off and on quickly. This prevents overheating of the compressor and possible circuit breaker tripping. The fan will continue to run during this time.

- The control is capable of displaying temperature in degrees Fahrenheit or degrees Celsius. To convert from one to the other, press and hold the Left and Right Temp/Timer buttons at the same time, for 3 seconds.

Air Directional Louvers

Air Directional Louvers
Keystone KSTAT08-1C - Air Directional Louvers - 1

text_image Louvers

Center handles

Air Direction(4-way)

Air directional louvers control air flow direction. Your air conditioner has the 4-way directional system described below. The louvers will allow you to direct the air flow Up or Horizontal, and Left or Right throughout the room as needed. Use the center handles to adjust the air directional louvers side-to-side until the desired Left or Right direction is obtained. Pivot horizontal louvers with your fingertips until the desired Up or Horizontal direction is obtained. There are a total of 4 possible air directional orientations available with this system.

CARE AND CLEANING

Air Filter Cleaning

Keystone KSTAT08-1C - Air Filter Cleaning - 1

natural_image Exterior view of a white air conditioner unit with ventilation grilles and a hand pointing to the grille (no text or symbols visible)

The air filter should be checked at least once a month to see if cleaning is necessary. Trapped particles in the filter can build up and cause an accumulation of frost on the cooling coils.

CAUTION

Clean your air conditioner occasionally to keep it looking new. Be sure to unplug the unit before cleaning to prevent chock or fire hazards.

Air Filter Cleaning

• Take the filter by the center and pull up and out.
- Wash the filter using liquid dishwashing detergent and warm water. Rinse filter thoroughly. Gently shake excess water from the filter. Be sure the filter is thoroughly dry before replacing. Or, instead of washing you may vacuum the filter clean.
Note: Never use hot water over 40^ C(104°F) to clean the air filter. Never attempt to operate the unit without the air filter.

Winter Storage

If you plan to store the air conditioner during the winter, remove it carefully from the window according to the installation instructions. Cover it with plastic or return it to the original carton.

Energy Saving Note

In order to reach the maximum energy saving and comfort, it is recommended to use a cover to insulate the unit when the unit is not in use. The recommended size for the unit is 24.4"x14.8"x2.2"(WxHxD).

Cabinet Cleaning

  • Be sure to unplug the air conditioner to prevent shock or fire 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 liquid 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.
  • Plug in air conditioner.

TROUBLESHOOTING TIPS

Before calling for service, review this list. It may save your time and expense. This list includes common occurrences that are not the result of defective workman-ship or materials in this appliance.

ProblemSolution
Air conditioner does not startWall plug disconnected. Push plug firmly into wall outlet.
House fuse blown or circuit breaker tripped. Replace fuse with time delay type or reset circuit breaker.
Plug Current Device Tripped. Press the RESET button.
Power is OFF. Turn power ON.
Air from unit does not feel cold enoughRoom temperature below 62°F(17°C). Cooling may not occur until room temperature rises above 62°F(17°C).
Temperature sensing behind air filter element touching cold coil. Keep it from the cold coil.
Set to a Lower temperature.
Compressor stopped when changing modes. Wait for 3 minutes after set to the COOL mode.
Air conditioner cooling, but room is too warm- ice forming on cooling coil behind decorative front.Outdoor temperature below 64°F(18°C). To defrost the coil, set FAN ONLY mode.
Air filter may be dirty. Clean filter. Refer to Care and Cleaning section. To defrost, set to FAN ONLY mode.
Thermostat set too cold for night-time cooling. To defrost the coil, set to FAN ONLY mode. Then, set temperature to a Higher setting.

TROUBLESHOOTING TIPS

ProblemSolution
Air conditioner cooling, but room is too warm- NO ice forming on cooling coil behind decorative front.Dirty air filter- air restricted. Clean air filter. Refer to Care and Cleaning section.
Temperature is set too High, set temperature to a Lower setting.
Air directional louvers positioned improperly. Position louvers for better air distribution.
Front of units is blocked by drapes, blinds, furniture, etc. - restricts air distribution. Clear blockage in front of unit.
Doors, windows, registers, etc. Open- cold air escapes. Close doors, windows, registers.
Unit recently turned on in hot room. Allow additional time to remove "Stored heat" from walls, ceiling, floor and furniture.
Air conditioner turns on and off rapidlyDirty air filter- air restricted. Clean air filter.
Outside temperature extremely hot. Set FAN speed to a Higher setting to bring air past cooling coils more frequently.
Noise when unit is coolingAir movement sound. This is normal . If too loud, set to a slower FAN setting.
Window vibration - poor installation. Refer to installation instructions or check with installer.
Water dripping INSIDE when unit is cooling.Improper installation. Tilt air conditioner slightly to the outside to allow water drainage. Refer to installation instructions - check with installer.
Water dripping OUTSIDE when unit is cooling.Unit removing large quantity of moisture from humid room. This is normal during excessively humid days.
Remote Sensing Deactivating Prematurely (some models)Remote control not located within range. Place remote control within 20 feet & 180°, radius of the front of the unit.
Remote control signal obstructed. Remove obstruction.
Room too coldSet temperature too low. Increase set temperature.

Your product is protected by this warranty:

Warranty service must be obtained from Keystone Consumer Services or an authorized Keystone servicer.

WARRANTY PERIODKEYSTONE, THROUGH ITS AUTHORIZED SERVICERS, WILL:THE CONSUMER WILL BE RESPONSIBLE FOR:
FULL ONE-YEAR WARRANTYOne year from original purchase datePay all costs for repairing or replacing parts of this appliance which prove to be defective in materials or workmanship.Costs of service calls that are listed under NORMAL RESPONSIBILITIES OF THE CONSUMER*
LIMITED 2nd-5th YEAR WARRANTY (sealed system)Second through fifth years from original purchase dateRepair or replace any parts in the Sealed Refrigeration System (compressor, condenser, evaporator and tubing) proves to be defective in materials workmanship.Diagnostic, removal and reinstallation costs required because of service.Costs for labor, parts other than with respect to the Sealed Refrigeration System.

Keystone replacement parts shall be used and will be warranted only for the period remaining on the original warranty.

NORMAL RESPONSIBILITIES OF THE CONSUMER\*

This warranty applies only to products in ordinary household use, and the consumer is responsible for the items listed below:

  1. Proper use of the appliance in accordance with instructions provided with the product.
  2. Proper installation by an authorized service professional in accordance with instructions provided with the appliance and in accordance with all local plumbing, electrical and / or gas codes.
  3. Proper connection to a grounded power supply of sufficient voltage, replacement of blown fuses, repair of loosen connections or defects in house wiring.
  4. Expenses for making the appliance accessible for servicing.
  5. Damages to finish after installation.

EXCLUSIONS

This warranty does not cover the following:

1) Failure caused by damage to the unit while in your possession (other than damage caused by defect or malfunction), by its improper installation, or by unreasonable use of the unit, including without limitation, failure to provide reasonable and necessary maintenance or to follow the written Installation and Operating Instructions.
2) Damages caused by services performed by persons other than authorized Midea servicers; use of parts other than Midea replacement parts; obtained from persons other than such Midea customer service; or external causes such as abuse, misuse, inadequate power supply.
3) If the unit is put to commercial, business, rental, or other use or application other than for consumer use, we make no warranties, express or implied, including but not limited to, any implied warranty of merchantability or fitness for particular use or purpose.
4) Products without original serial numbers or products that have serial numbers which have been altered or cannot be readily determined.

Note: Some states do not allow the exclusion or limitation of incidental or consequential damages. So this limitation or exclusion may not apply to you.

IF YOU NEED SERVICE

Keep your bill of sale, delivery slip, or some other appropriate payment record.

The date on the bill established the warranty period should service be required.

If service is performed, it is your best interest to obtain and keep all receipts

This written warranty gives you specific legal rights. You may also have other rights that vary from state to state

Service under this warranty must be obtained by following these steps, in order:

  1. ContactKeystone Consumer Services or an authorized servicer at 800-849-1112.
  2. If there is a question as to where to obtain service, contact our consumer relations Department.

The design and specifications are subject to change without prior notice for product improvement. Consult with the sales agency or manufacturer for details.

AIRE ACONDICIONADO DEL CUARTO DEL TIPO DE VENTANA / PARED

Keystone KSTAT08-1C - AIRE ACONDICIONADO DEL CUARTO DEL TIPO DE VENTANA / PARED - 1

natural_image Line drawing of an air conditioner unit with ventilation grilles and control panel (no text or symbols)

CONTROL ELECTRONICO DE MULTIPLE VELOCIDAD

Model:KSTAT08-1CKSTAT08-1HC
KSTAT10-1CKSTAT10-2HC
KSTAT10-2CKSTAT12-2HC
KSTAT12-1CKSTAT14-2HC
KSTAT12-2CKSTAT14-2C

TABLA DE CONTENIDO

(inches)
WeightAlturaProfundidad
Blanco-casa de Frigidaire 25^1/2 15^1/4 16,17^1/2 or 22
Carrier(52F Series)Keystone
General Electric/Hotpoint26 15^5/8 15^7/8
Whirlpool 25^7/8 16^1/2 17^1/8 or 23
Fedders/Emerson27 16^3/4 16^3/4 or 19^3/4
Sears/Kenmore 25^3/4 16^1/8 18^5/8
Carrier(51S Series)
Emerson/Fedders 26^3/4 15^3/4 15
Friedrich27 16^3/4 16^3/4
text_image Pared Manga UNIDAD AREAR ADELANDE NIVEL
text_image 3" Max 1/8" Agujero 1" a anga

4 General Electric/Hotpoint

5 Sears or Carrier(51S Series)

18 profundidad

6 Whirlpool

8 White-Westinghouse/

16 +17 profundidad

Frigidaire/Carrier(52F Series)/Keystone

9 White-Westinghouse/Frigidaire

22 profundidad

natural_image Interior view of a large industrial chamber with vertical metallic grating and central grid structure (no visible text or symbols)

Marcas de Manga pared:

Keystone KSTAT08-1C - Marcas de Manga pared: - 1

text_image Rejillas traseras 80° 4.5" 30° 80°80° 30° 4" 80° Vista superior

Keystone KSTAT08-1C - Marcas de Manga pared: - 2

text_image 2 4.5" 3 4" 5 4

Keystone KSTAT08-1C - Marcas de Manga pared: - 3

natural_image Close-up of a metallic cable or wire attached to a wall-mounted panel, with no visible text or symbols.

#1 Emerson

15 "Profundidad

natural_image Close-up of a metallic panel with a coiled cable and mounting holes (no text or symbols visible)

#2 Fedders

natural_image Close-up of a metallic cable or wire attached to a wall-mounted panel, with no visible text or symbols.
text_image 4.5" 4 5 4" 6 6 2

Keystone KSTAT08-1C - #2 Fedders - 1

natural_image Close-up of a metallic cable or wire attached to a wall-mounted panel (no visible text or symbols)

#4 General Electra/Hotpoint

16 Profundidad

natural_image Close-up of a metallic cable or wire attached to a wall-mounted panel, with no visible text or symbols.

#5 Sears or Carrier 51S Series (18 ^5/8 " PROFUNDIDAD)

text_image 4.5" 4 5 4" 6 6 2

Keystone KSTAT08-1C - #5 Sears or Carrier 51S Series (18 ^5/8 " PROFUNDIDAD) - 1

natural_image Close-up of a metallic cable or wire attached to a wall-mounted panel, with no visible text or symbols.
text_image 4.5" 6 4" 5 7 7 2

Keystone KSTAT08-1C - #5 Sears or Carrier 51S Series (18 ^5/8 " PROFUNDIDAD) - 2

text_image 14 4.5" 9 4" 12 10 13 11

Keystone KSTAT08-1C - #5 Sears or Carrier 51S Series (18 ^5/8 " PROFUNDIDAD) - 3

natural_image Close-up of a hand holding a small electronic device with wires, next to a wall-mounted fan (no visible text or symbols)

#7 Whirlpool (23 "Profundidad)

text_image 2 4.5" 3 4" 4

Keystone KSTAT08-1C - #7 Whirlpool (23 "Profundidad) - 1

natural_image Close-up of a metallic bracket with a coiled cable and mounting holes, no visible text or symbols

#8 White Westinghouse/Frigidaire/Carrier 52F Series (16" + 17 ^1/2 Profundidad) /Keystone

text_image 4.5" 7 5 4" 6 6 2

Keystone KSTAT08-1C - #8 White Westinghouse/Frigidaire/Carrier 52F Series (16" + 17 ^1/2 Profundidad) /Keystone - 1

text_image 13 4 5" 8 4" 11 9 12 10

Keystone KSTAT08-1C - #8 White Westinghouse/Frigidaire/Carrier 52F Series (16" + 17 ^1/2 Profundidad) /Keystone - 2

natural_image Close-up of a hand holding a small electronic device with wires, next to a wall-mounted fan (no visible text or symbols)

#9 White Westinghouse or Frigidaire (22" Profundidad)

text_image Grille Screws Location

Fig. 2

Keystone KSTAT08-1C - #9 White Westinghouse or Frigidaire (22" Profundidad) - 1

text_image 1/8 Octavo agujero Grille & brida Fig. 3 #8 Tornillo
natural_image Close-up of a white air conditioner unit with ventilation grille, placed on a tiled surface (no visible text or symbols)
natural_image Front view of a white air conditioner unit with ventilation grilles and ventilation slots (no visible text or symbols)
natural_image Simple rectangular frame with rounded corners and a horizontal line inside, no text or symbols present.

Keystone KSTAT08-1C - #9 White Westinghouse or Frigidaire (22" Profundidad) - 2

natural_image Person holding a wall-mounted air conditioner unit against a tiled wall (no visible text or symbols)
text_image Musical notation diagram showing treble and bass clefs with arrow annotations indicating pitch positions
natural_image Illustration of a white air conditioner unit with ventilation grilles and a hand pointing to the grille (no text or symbols visible)
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Product information

Brand : Keystone

Model : KSTAT08-1C

Category : Air-conditioner