KOTEK 18000 BTU Mini Split AC/Heating System User Manual

1. Introduction

This manual provides essential information for the safe and efficient operation, installation, and maintenance of your KOTEK 18000 BTU Mini Split AC/Heating System. This inverter-driven system offers both cooling and heating functionalities, designed for spaces up to 1250 sq.ft. Key features include a 21 SEER2 efficiency rating, quiet operation, and multiple climate control modes.

Please read this manual thoroughly before installation and use, and retain it for future reference.

2. Safety Instructions

Important Safety Information:

• Installation must be performed by a qualified and certified HVAC professional in accordance with all local and national electrical and building codes.
• Ensure the power supply matches the unit's specifications (208-230V~60Hz/1PH).
• Do not attempt to repair or service the unit yourself. Contact qualified service personnel.
• Keep children and pets away from the outdoor unit during operation.
• Ensure proper grounding to prevent electrical shock.
• Do not block air inlets or outlets of either unit.

3. Package Contents

Your KOTEK Mini Split AC/Heating System package includes the following components. Please verify all items are present upon delivery.

Image: Illustration of all components included in the KOTEK Mini Split AC/Heating System package.

• 1 x Indoor Unit
• 1 x Outdoor Unit
• 1 x Remote Control (with 2 AAA Batteries)
• 1 x 13 ft Copper Connection Pipe - Liquid Pipe
• 1 x 13 ft Copper Connection Pipe - Air Pipe
• 1 x 8 ft Power Line
• 1 x 15 ft Communication Wire
• 1 x 6.5 ft Drain Hose
• 1 x Tape
• 1 x Wall Sleeve
• 1 x Putty

Note: Due to its size, this unit typically ships in two separate boxes.

4. Setup and Installation

The KOTEK Mini Split AC/Heating System requires professional installation. Attempting to install the unit without proper training and tools can lead to damage, void the warranty, and pose safety risks.

Key Installation Considerations:

• Location: Select appropriate indoor and outdoor locations that allow for proper airflow, drainage, and access for maintenance.
• Mounting: Securely mount the indoor unit to a sturdy wall using the provided mounting plate. The outdoor unit should be placed on a level, stable surface.
• Refrigerant Piping: Connect the copper connection pipes between the indoor and outdoor units. Ensure proper flaring and tightening to prevent leaks.
• Electrical Wiring: Connect the power line and communication wire according to the wiring diagram provided in the detailed installation guide (not included in this general manual). All electrical work must comply with local codes.
• Drainage: Install the drain hose with a continuous downward slope to ensure proper condensate removal.
• Vacuuming and Refrigerant Charging: The system must be properly vacuumed to remove air and moisture from the refrigerant lines before releasing refrigerant.

Image: Product dimensions for the indoor (38"W x 12.5"H x 8.5"D) and outdoor (31"W x 22"H x 12"D) units. Professional installation is required.

5. Operating Instructions

Your KOTEK Mini Split system offers four primary operating modes for year-round comfort, controlled via the included remote.

Image: Visual representation of the four operating modes: Cool (down to 60°F), Heat (up to 90°F), Fan (Low/Medium/High/Turbo speed), and Dry (removes up to 82 Pints/Day).

5.1 Operating Modes

• Cool Mode: Provides cooling down to 61°F (16°C). Ideal for warm weather.
• Heat Mode: Provides heating up to 90°F (32°C). Suitable for colder conditions.
• Fan Mode: Circulates air without cooling or heating. Adjustable fan speeds (Low, Medium, High, Turbo).
• Dry Mode (Dehumidification): Reduces humidity in the room, removing up to 82 pints per day.

5.2 Remote Control Functions

Use the remote control to select modes, adjust temperature (60°F to 90°F), set fan speed, and access special features.

5.3 Special Features

• Sleep Mode: Optimizes temperature and fan speed for comfortable sleep while operating at a low noise level (as low as 31 dB).
• 24-Hour Timer: Program the unit to turn on or off automatically within a 24-hour period.
• Display-Off Function: Turn off the indoor unit's LED display for an undisturbed environment, especially during sleep.
• 4-Way Swing: Adjust the airflow direction horizontally and vertically for even distribution.

Image: A bedroom setting demonstrating the quiet operation of the KOTEK Mini Split AC unit, highlighting its sleep mode and 24-hour timer features, with noise levels below 31 dB.

6. Maintenance

Regular maintenance ensures optimal performance and longevity of your KOTEK Mini Split system.

Image: Features of the KOTEK Mini Split AC including 134.6°F high-temperature self-cleaning, auto defrost, ETL certification, and a removable and washable filter.

6.1 Filter Cleaning

The air filter is detachable and washable. Regularly clean the filter by rinsing it with water to maintain consistent airflow and efficiency. Allow the filter to dry completely before reinserting.

6.2 Self-Cleaning Function

The unit features a 135°F (57°C) self-cleaning cycle that helps reduce dust and harmful substances accumulated on the evaporator coil. Refer to your remote control instructions for activating this function.

6.3 Automatic Defrosting

In cold weather, the outdoor unit automatically initiates a defrost cycle to prevent ice accumulation on the coil, ensuring efficient heating performance.

6.4 Professional Maintenance

It is recommended to have the system inspected and serviced by a qualified technician annually to ensure all components are functioning correctly and to perform deeper cleaning of coils and drainage systems.

7. Troubleshooting

Before contacting customer support, please check the following common issues:

• Unit does not turn on: Check if the power cord is securely plugged in and if the circuit breaker has tripped. Ensure remote control batteries are not depleted.
• Insufficient cooling/heating: Verify that the correct mode is selected and the temperature setting is appropriate. Check if air filters are clean and not obstructed. Ensure no windows or doors are open, allowing conditioned air to escape.
• Unusual noises: Some operational noises are normal (e.g., refrigerant flow, fan operation). If you hear loud or unusual sounds, power off the unit and contact a technician.
• Water leakage: Check if the drain hose is properly installed and not clogged or kinked.

For persistent issues or error codes displayed on the unit, consult a professional HVAC technician or contact KOTEK customer support.

8. Specifications

9. Warranty and Support

For specific warranty details regarding your KOTEK Mini Split AC/Heating System, please refer to the warranty card included with your product or contact the seller directly. Warranty terms typically cover manufacturing defects and may vary.

For technical assistance, troubleshooting guidance beyond this manual, or to inquire about service, please contact KOTEK customer support. Contact information can usually be found on the product packaging, the seller's website, or your purchase documentation.

Customer Support: Refer to your purchase receipt or the KOTEK official website for the most current contact information.