COSTWAY 18,000 BTU Mini Split Air Conditioner User Manual

Introduction

This user manual provides comprehensive instructions for the installation, operation, and maintenance of your COSTWAY 18,000 BTU Mini Split Air Conditioner. Designed for year-round comfort, this Energy Star certified unit features advanced inverter technology, a heat pump, and multiple operating modes to efficiently cool and heat spaces up to 1250 sq.ft. Please read this manual thoroughly before use to ensure safe and optimal performance of your appliance.

Product Overview

The COSTWAY 18,000 BTU Mini Split Air Conditioner is an advanced climate control system offering superior energy efficiency and versatile functionality. Key features include:

• Energy Star & AHRI Certified: Most efficient 2024 Energy Star verified, ensuring lower operating costs and environmental friendliness with a 21 SEER2 rating and 9 HSPF2 rating.
• Powerful Output: 17,000 BTU cooling capacity and 17,700 BTU heating capacity, covering up to 1250 sq.ft.
• Innovative Inverter Technology: Adjusts compressor speed for stable temperature maintenance and reduced energy consumption.
• 4-in-1 Design: Offers Cool, Dry, Heat, and Fan modes for year-round comfort.
• Quiet Operation: Indoor unit operates at less than 49 dB, ensuring undisturbed sleep.
• R32 Refrigerant: Pre-charged with eco-conscious R32 refrigerant, which has a lower Global Warming Potential compared to R410A.
• Full Control Remote: Includes a remote control with a 26 ft effective range, child lock, and various functions like ℉/℃ display, turbo mode, sleep mode, and 24H timer.
• Self-Cleaning Function: High-temperature self-cleaning at 135℉ simplifies maintenance and promotes healthier air.

Figure 1: COSTWAY Mini Split Air Conditioner complete system.

Figure 2: Remote control for the Mini Split AC unit, providing full access to all modes and functions.

Setup and Installation

The installation of this COSTWAY Mini Split Air Conditioner should be performed by a Licensed HVAC Installer to ensure proper functioning, safety, and warranty validity. The unit comes pre-charged with R32 refrigerant.

Included Components:

The package includes all necessary components for installation:

• 1 x Outdoor Unit
• 1 x Indoor Unit
• 1 x 13 ft Copper Connection Pipe - Air Pipe (Diameter: 1/2")
• 1 x 13 ft Copper Connection Pipe - Liquid Pipe (Diameter: 1/4")
• 1 x 6.5 ft Drain Hose
• 1 x 13 ft Communication Wires
• 1 x Remote Control
• 2 x Battery
• 1 x Tape
• 1 x Luting (Putty)
• 1 x User Guide (this manual)

Figure 3: Package contents and dimensions of the indoor and outdoor units.

Choosing the Right BTU:

Selecting the correct BTU capacity is crucial for efficient operation. Refer to the table below for general guidelines. If the room is in a hot climate, direct sunlight, or poorly insulated, consider adding 20-30% BTUs.

Figure 4: BTU selection guide based on square footage.

Operating Instructions

Your COSTWAY Mini Split AC unit offers various modes and functions for optimal comfort, controlled via the included remote.

Operating Modes:

• Cool Mode: Provides efficient cooling, adjustable from 60℉ to 90℉.
• Heat Mode: Functions as a heat pump, providing heating up to 90℉.
• Dry Mode: Dehumidifies the air, removing up to 67 Pints/Day.
• Fan Mode: Circulates air with adjustable speeds (Low, Mid, High, Turbo).
• Auto Mode: Automatically selects the appropriate mode based on the room temperature.
• Sleep Mode: Adjusts temperature and fan speed for comfortable sleep and energy saving.
• ECO Mode: Optimizes energy consumption for economic operation.

Additional Functions:

• 24H Timer: Program the unit to turn on or off at specific times.
• Temperature Display: Switch between Celsius (℃) and Fahrenheit (℉).
• 4D Auto Swing: Ensures even air distribution throughout the room.
• iFEEL Function: The remote control senses the temperature at its location and adjusts the airflow for localized comfort.
• Screen Off: Turn off the display light on the indoor unit for undisturbed sleep.

Figure 5: The Mini Split AC unit providing efficient cooling and heating for a comfortable living space.

Figure 6: Sleep Soundly at Night - illustrating low noise, 24H timer, and screen off features.

Maintenance

Regular maintenance ensures the longevity and efficiency of your Mini Split AC unit.

Self-Cleaning Function:

The built-in self-cleaning function operates at 135℉ to sterilize the indoor coil, simplifying regular cleaning and protecting respiratory health. The process includes condensation, frosting, melting, sterilization, washing, and ventilation.

Filter Maintenance:

The air filters are removable and washable. Regularly clean them under water to maintain optimal air quality and unit performance.

Figure 7: High-Temperature Self-Cleaning and Removable & Washable Filter for cleaner air.

Troubleshooting

If you encounter issues with your unit, please refer to the following general troubleshooting tips. For complex problems, contact professional support.

• Unit not turning on: Check power supply, ensure remote batteries are functional, and verify the timer setting is not preventing operation.
• Insufficient cooling/heating: Ensure filters are clean, doors and windows are closed, and the selected mode and temperature settings are appropriate for the room size and conditions.
• Unusual noises: Minor operational sounds are normal. If loud or unusual noises occur, consult a licensed technician.
• Water leakage from indoor unit: Check the drain hose for kinks or blockages. Ensure proper drainage slope during installation.

For detailed troubleshooting steps or issues requiring professional attention, please contact COSTWAY customer support.

Specifications

Warranty and Support

COSTWAY stands behind the quality and design of its products with an industry-leading manufacturer's warranty and dedicated customer support.

• Compressor Coverage: 8 years
• Parts Replacement: 5 years
• Lifetime Technical Support: Available for all customers.
• Customer Support: 24/7 support via phone, email, or live chat.
• Return Policy: 30-day return policy.

For any inquiries or assistance, please visit the official COSTWAY store or contact their customer service directly. Installation of this equipment should only be done by a Licensed HVAC Installer to ensure warranty coverage.

Figure 8: COSTWAY provides extended service and premium support.