1. Product Overview
The GoldStar R5050 is a compact 5,000-Btu window air conditioner designed for efficient cooling in smaller spaces, typically up to a 10-by-15-foot room. It features straightforward manual controls, including two cooling settings, two fan-only settings, and a nine-setting thermostat for precise temperature management. The unit also includes simple control tabs for adjusting horizontal airflow and a turbo fan for even cooling distribution. A washable air filter helps maintain air quality. With its low-profile, off-white housing, the R5050 boasts a 9.7 Energy Efficiency Rating (EER) and is designed for window installation, requiring a minimum window height of 13 inches and width of 22 inches.

Figure 1: Front view of the GoldStar R5050 Air Conditioner, highlighting the manual control knobs for operation and thermostat, along with the horizontal air vents.
2. Key Features
- 5000-Btu Cooling Capacity: Provides effective cooling for rooms up to 150 square feet.
- Manual Controls: Simple and intuitive knobs for operation and thermostat settings.
- 2-Way Air-Deflection System: Allows for adjustment of horizontal airflow to direct cool air where needed.
- Washable Air Filter: Reusable filter designed for easy cleaning, promoting fresh and clean cycled air.
- Two-Setting Turbo Fan: Offers powerful fan operation, with or without cooling, for enhanced air circulation.
- High Energy Efficiency: Achieves a 9.7 Energy Efficiency Rating (EER), contributing to lower energy consumption.
- Compact Design: Measures approximately 18-9/16 by 12-9/32 by 14-9/16 inches, suitable for standard window installations.
3. Safety Information
Please read all safety instructions carefully before installing and operating your air conditioner. Failure to follow these instructions may result in electric shock, fire, or personal injury.
- Electrical Safety: Ensure the unit is connected to a properly grounded 127 Volt electrical outlet. Do not use extension cords or adapter plugs.
- Installation: Install the unit securely in a window according to the dimensions specified. Ensure proper drainage of condensate.
- Ventilation: Do not block air inlets or outlets. Maintain adequate clearance around the unit for proper airflow.
- Water and Moisture: Do not operate the unit in excessively wet conditions or near water sources.
- Children and Pets: Keep children and pets away from the unit during operation.
- Maintenance: Disconnect power before cleaning or performing any maintenance.
4. Setup and Installation
The GoldStar R5050 is designed for window installation. Proper installation is crucial for optimal performance and safety.
4.1 Window Requirements
- The window opening must be at least 13 inches (33 cm) high.
- The window opening must be at least 22 inches (55.9 cm) wide.
- Ensure the window frame and surrounding structure are strong enough to support the unit's weight (approximately 22.4 kg / 49.4 lbs).
4.2 Installation Steps (General Guidelines)
- Prepare the Window: Clean the window sill and frame.
- Attach Side Panels: Secure the accordion side panels to the unit if they are not pre-attached.
- Place Unit in Window: Carefully lift the air conditioner and place it into the window opening, ensuring the bottom rail rests securely on the window sill.
- Secure the Unit: Extend the side panels to fill the window opening and secure them with screws or brackets as per the detailed installation guide (not provided here, refer to full product manual).
- Seal Gaps: Use foam strips or weatherstripping to seal any gaps around the unit to prevent air leakage and improve efficiency.
- Plug In: Once securely installed, plug the unit into a grounded 127 Volt outlet.
5. Operating Instructions
The GoldStar R5050 features simple manual controls for ease of use.
5.1 Control Panel Overview
The front panel of your air conditioner features two rotary knobs:
- Operation Knob: Controls the fan speed and cooling mode.
- Thermostat Knob: Adjusts the desired temperature setting.
5.2 Setting the Operation Mode
Rotate the Operation knob to select your desired setting:
- OFF: Turns the unit off.
- LOW FAN: Operates the fan at a low speed without cooling.
- HIGH FAN: Operates the fan at a high speed without cooling (turbo fan setting).
- LOW COOL: Activates cooling at a low fan speed.
- HIGH COOL: Activates cooling at a high fan speed.
5.3 Adjusting the Thermostat
Rotate the Thermostat knob to set the desired room temperature. The knob typically ranges from 1 (warmest) to 9 (coolest). Start with a mid-range setting (e.g., 5 or 6) and adjust as needed for comfort.
5.4 Adjusting Airflow Direction
The unit features horizontal air deflection tabs located on the front grille. Manually adjust these tabs to direct the airflow left or right, ensuring even cooling distribution throughout the room.
6. Maintenance
Regular maintenance ensures optimal performance and extends the life of your air conditioner.
6.1 Cleaning the Air Filter
The GoldStar R5050 is equipped with a washable air filter. It is recommended to clean the filter every two weeks, or more frequently if the unit is used heavily or in dusty environments.
- Disconnect Power: Always unplug the air conditioner from the electrical outlet before cleaning.
- Remove Filter: Locate the air filter behind the front grille. Gently pull it out.
- Clean Filter: Wash the filter with warm, soapy water. Rinse thoroughly. For heavily soiled filters, a vacuum cleaner can be used to remove loose dust before washing.
- Dry Filter: Allow the filter to air dry completely before reinserting it. Do not use direct heat to dry.
- Reinstall Filter: Slide the dry filter back into its slot.
6.2 Cleaning the Unit Exterior
Wipe the exterior of the unit with a soft, damp cloth. Do not use harsh chemicals, abrasives, or waxes, as these can damage the finish.
7. Troubleshooting
If your air conditioner is not operating correctly, refer to the following common issues and solutions before contacting service.
| Problem | Possible Cause | Solution |
|---|---|---|
| Unit does not turn on. | No power; unit unplugged; circuit breaker tripped. | Ensure unit is plugged in firmly. Check household circuit breaker/fuse. |
| Unit not cooling effectively. | Dirty air filter; thermostat set too high; blocked airflow; room too large. | Clean air filter. Lower thermostat setting. Ensure no obstructions to air vents. Verify room size is within unit's capacity. |
| Water dripping inside. | Unit not tilted slightly outwards; drain blocked. | Ensure proper slight outward tilt during installation for drainage. Check and clear any drain blockages. |
| Noisy operation. | Loose installation; foreign object in fan; unit vibrating. | Check installation for tightness. Inspect fan area for debris (unplug first). Ensure unit is level. |
8. Specifications
| Attribute | Value |
|---|---|
| Brand | GoldStar |
| Model Name | R5050 |
| Model Number | 2962-4145 |
| Cooling Capacity | 5000 British Thermal Units (BTU) |
| Energy Efficiency Rating (EER) | 9.7 |
| Voltage | 127 Volts |
| Power Source | Corded Electric |
| Product Dimensions (L x W x H) | 45.72 x 53.34 x 39.37 cm (18-9/16 x 12-9/32 x 14-9/16 inches) |
| Product Weight | 22.4 kg (49.4 lbs) |
| Color | White |
| Special Features | Dust Filter, Rapid Cooling |
| Form Factor | Window |
9. Warranty and Support
For specific warranty information and customer support, please refer to the documentation included with your purchase or visit the official GoldStar website. Keep your proof of purchase for warranty claims.
For technical assistance or service inquiries, please contact GoldStar customer service.





