KSTAW12BE - Air conditioner Keystone - Free user manual and instructions

Product Type	Window Air Conditioner
Cooling Capacity	12,000 BTU
Energy Efficiency Ratio (EER)	11.0
Power Supply	115 V / 60 Hz
Amperage	10 A
Dimensions (W x H x D)	18.5 x 15.5 x 23.0 inches
Weight	65 lbs
Refrigerant Type	R410A
Air Flow (CFM)	350 CFM
Noise Level (Indoor/Outdoor)	52 dB / 58 dB
Control Type	Remote Control and Manual Buttons
Modes	Cool, Fan, Dry
Fan Speeds	3 (Low, Medium, High)
Thermostat Range	60°F - 86°F (16°C - 30°C)
Timer	24-Hour On/Off Timer
Filter Type	Washable Mesh Filter
Filter Cleaning	Every 2 weeks during heavy use
Installation Type	Window Mount (Double/Single Hung)
Window Min/Max Width	23 / 36 inches
Energy Star Rated	Yes
Safety Features	Auto Restart, Child Lock, Overheat Protection
Spare Parts Availability	Remote, Filter, Fan Motor (contact support)
Warranty	1 Year Limited

Frequently Asked Questions - KSTAW12BE Keystone

How do I install the Keystone KSTAW12BE window air conditioner?

Install the unit in a double-hung window. Ensure the window width is between 23 and 36 inches. Remove the chassis from the cabinet, attach the accordion side panels, place the cabinet in the window, lower the window sash, secure with screws, and insert the chassis. Seal gaps with foam weather stripping.

How often should I clean the filter?

Clean the washable mesh filter every two weeks during heavy use. Remove the filter from the front grille, wash with mild detergent and warm water, let it dry completely before reinstalling. A clogged filter reduces efficiency.

What does the error code E1 mean?

Error code E1 indicates a temperature sensor malfunction. Unplug the unit for 30 minutes and restart. If the error persists, contact Keystone support for a replacement sensor or professional repair.

Can I use an extension cord with this air conditioner?

No, never use an extension cord or surge protector. The KSTAW12BE draws up to 10 amps and requires a dedicated 115V outlet. Using an extension cord can cause overheating and fire.

How do I enter the child lock mode?

Press and hold the 'Mode' and 'Down' buttons simultaneously for 3 seconds until the display shows 'CL'. To unlock, repeat the same steps. Child lock disables all buttons except the power button.

What is the recommended temperature for energy saving?

Set the thermostat to 78°F (25°C) for optimal energy savings. Each degree below 78°F increases energy consumption by about 3-5%. Use the timer to run the unit only when needed.

Why is the unit not cooling properly?

Check the filter for dirt, ensure the window is properly sealed, and verify the thermostat is set to 'Cool' mode and below room temperature. Also clean the condenser coils if accessible. If still not cooling, the refrigerant may be low, requiring professional service.

How do I use the 24-hour timer?

Press the 'Timer' button. Use the up/down arrows to set the desired time for auto-on or auto-off. Confirm by pressing 'Timer' again. The timer can be set in 1-hour increments up to 24 hours.

What type of refrigerant does this model use?

The KSTAW12BE uses R410A refrigerant. R410A is more environmentally friendly than older refrigerants and operates at higher pressures. Always hire a certified technician for refrigerant handling.

Where can I find spare parts like the remote control?

Spare parts can be ordered directly from Keystone customer support or through authorized dealers. Common parts include the remote control (model RC-KSTAW12BE), replacement filters, and fan motors. Visit the Keystone website or call 1-866-XXX-XXXX.

USER MANUAL KSTAW12BE Keystone

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 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 conditioner.

WINDOW REQUIREMENTS

Your air conditioner is designed to install in standard double hung windows with opening widths of 23 to 36 inches(584mm to 914mm)

Model H	6000~8000Btu/h	10000~12000Btu/h
	14"(356mm)	15-1/2"(394mm)

Table 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 co of the air conditioner.

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

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

TOOLS YOU WILL NEED

TOOLS YOU MAY USE

Screwdriver

Pencil

Ruler or tape measure

Scissors or knife

NOTE:

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

1 PREPARE THE WINDOW

Lower sash must open sufficiently to allow a clear vertical opening (H) of following size (see Table 1). Side louvers and the rear of the AC must have clear air space to allow enough airflow through the condenser, for heat removal. The rear of the unit must be outdoors, not inside a building or garage.

2 PREPARE AIR CONDITIONER

A: Remove the air conditioner from the carton and place on a flat surface.
B: Remove top rail from the packaging material as shown in Fig. A.

C: Align the hole in the top rail with those in the of the unit as shown in Fig.B

Technical line drawing of a mechanical device labeled Fig.B, showing internal components and mounting brackets (no text or symbols on the diagram itself)

D: Secure the top rail to the unit with the 3/8 Sc as shown in Fig.C.

Technical line drawing of a mechanical or electronic device with no visible text or symbols

NOTE: For safety reasons, all four(4) screws MUST be securely fastened.

NOTE: The top rail hardware and the Fig.A, Fig.B and Fig.C are not applicable to the units more than 10000Btu/h. Before installing unit, the top rail must be assembled on the unit (Fc <10000Btu/h models only).

3 INSTALL THE ACCORDION PANELS

NOTE: Top rail and Sliding Panels at each side are offset to provide the proper pitch to the rear of (5) This is necessary for proper condensed water utilization and drainage. If you are not using the Si Panels for any reason, this pitch to the rear must maintained.

Simple line drawing of a vertical structure with internal vertical elements and an arrow pointing left (no text or symbols)

A. Place unit on floor, a bench a table. Hold the Accordion Panel in one hand and gently pull back the center to free thope n end. See Fig.1

Fig.1

B. Slide the free ehd " " section of the panel into the cabinet as shown in Fig. 2. Slide the down. Be sure to leave enough space to slip top and bottom of the frame into the rails on cabinet.

Fig.2

C. Once the panel has been installed on the cabinet, make sure it sits securely inside frame channel by making slight adjustments. Slide the top and bottom ends of the frame top and bottom rails of the cabinet. Fig.3.

Fig.3

D. Slide the panel all the way in and repeat other side.

NOTE: If storm window blocks AC, see Fig. 11.

SECURE THE ACCORDION PANE LS

The Keep a firm grip on the air conditioner, carefully place the unit into the window opening so the bottle of the air conditioner frame is against the window sill (Fig.5). Carefully close the window behind the to rail of the unit.

H: About 3/4" to 1" (for 5 to 8K); H: About 1" to 1³/l₈" (for 10 to 12K);

Fig.5

NOTE: Check that air conditioner is tilted back above H (Fig.5)(tilted about ^ 3 to 4 downward to the outside proper installation, condensate should not drain from the overflow drain hole during normal use, correct the slope otherwise.

B. Extend the side panels out against the window frame (Fig.6).

INSTALL SUPPORT BRACKET

on At-Place the frame lock between the frame extensions and the window sill as shown(Fig.7). Drive 3 /" 4 (19mm) of 2"(12.7mm) locking screws through the frame lock and into the sill .

NOTE: To prevent window sill from splitting, drill 1 / 8" (3mm) pilot holes before driving screws.

Line drawing of a hand holding a tool near a window frame, with an inset showing a clip and dashed line (no text or symbols)

B. Drive 3142" (192m7m)m pr locking

screws through frame holes into window sash

Technical line drawing of a cabinet or enclosure with ventilation grilles and internal components (no text or symbols)

Fig.8

C. To secure lower sash in place, attach right sash lock with 3/4" (19mm) /2t (12.30new) as shown(Fig.9).

Line drawing of a hand holding a tool near a metal bracket (no text or symbols)

Fig.9

D.Cut Windlovinsealshit sial theam

space between the upper and lower sashes (Fig.10).

If AC is Blocked by Storm Window

Add wood as shown in Fig.11, or remove storm window before air conditioner is installed.

If Storm Window Frame must remain, be sure the drain holes or slots are not caulked or painted sh Accumulated Rain Water or Condensation must be allowed to drain out.

Removing AC From Window

◆Turn AC off, and disconnect power cord.
◆ Remove sash seal from between windows, and unscrew safety sash lock.
◆ Remove screws installed through frame and frame-lock.
◆ Close (slide) side panels into frame.
- Keeping a firm grip on air conditioner, raise sash and carefully remove.
◆ Be carefully not to spill any remaining water while lifting unit from window. Store parts WITH air conditioner.

Fig.11