GWIN Assisted DIY 18,000 BTU 21 SEER2 230V Emperor 22 Single Zone 4 Way Cassette Ductless Mini-Split Complete System with 15 Foot Line Set, Communication Wire, and GWIN Tech

GWIN Assisted DIY 18,000 BTU 21 SEER2 230V Emperor 22 Single Zone 4 Way Cassette Ductless Mini-Split Complete System with 15 Foot Line Set, Communication Wire, and GWIN Tech

The GWIN Assisted DIY 18,000 BTU 21 SEER2 230V Emperor Single Zone 4 Way Cassette Mini-Split Complete System combines a matching GWIN Emperor outdoor condenser with a GWIN 4 Way Cassette indoor air handler. The ceiling-mounted indoor unit distributes conditioned air in four directions for broad room coverage.

This complete system uses R32 refrigerant and follows the Assisted DIY complete-system format used by the existing GWIN Emperor single-zone systems.

Included in This Complete System

• GWIN 18,000 BTU Emperor single-zone outdoor condenser — model EMPR18HP230V1R32AO
• GWIN 18,000 BTU 4 Way Cassette indoor air handler — model GWIN18HP230V1R32A4C
• GWIN matching 4 Way Cassette panel — model GP002
• 15 foot line set
• Communication wire
• Controller supplied with the indoor air handler
• GWIN Tech assistance for system commissioning

System Configuration

4 Way Cassette Air Handler Details

The GWIN 18,000 BTU 230V 4 Way Cassette Air Handler is a ceiling-mounted indoor air handler that delivers conditioned air in four directions for broad, even room coverage. It is a 18,000 BTU-class indoor unit for use with compatible GWIN Emperor single-zone and GWIN multi-zone outdoor systems.

Its swing louvers, internal condensate pump, and low-profile ceiling installation make it suitable for open residential and light-commercial spaces. The indoor unit provides an airflow range of 206 - 383 CFM, sound pressure levels from 28 - 44 dB(A), and dehumidification performance of 3.80 pt/hr.

Comfort & Control

• Four-way ceiling discharge
• Swing louver control
• Internal condensate drain pump
• Wireless remote control included
• Wired controller included
• Seven indoor fan speeds
• Indoor unit display
• Vertical auto swing
• Quiet Mode
• Auto, Dry, X-Fan, Energy Saving, Sleep, Timer, and Turbo modes
• I Feel, Privacy Lock, Freeze Guard, and Power Failure modes

Installation & Compatibility

This indoor unit uses R32 refrigerant, is powered by the connected outdoor unit, and requires 1/4" - 1/2" flared refrigerant connections. Actual capacity and efficiency depend on the connected outdoor unit and the final system configuration.

Important: A compatible cassette grille is required to complete installation.

Technical Specifications

Emperor Outdoor Condenser Details

The GWIN 18,000 BTU 230V Emperor Single Zone Ductless Condenser is a compact and efficient outdoor heat pump designed to power a single indoor air handler with precision and reliability. Built for performance and durability, this single-zone ductless condenser delivers consistent comfort while maintaining energy efficiency.

Utilizing advanced inverter technology and R32 refrigerant, this system provides improved performance with reduced environmental impact.

GWIN Tech Included — Installation with Confidence Built in

Unlike traditional systems, this condenser includes GWIN Tech - first of its kind, giving you access to expert assistance during commission start up. This means you’re not commissioning blindly — you have professional-level reviewal available to help ensure your system is configured correctly and running at peak performance.

• Expert commissioning included
• Confidence for Assisted DIY install and professional commission
• Reduces installation errors and callbacks
• Helps ensure optimal system performance from day one

Efficient Single-Zone Comfort

This system is designed to support one indoor unit, making it ideal for targeted applications such as bedrooms, offices, garages, and small living areas.

Key Features

• 18,000 BTU single-zone condenser
• 208-230V operation
• R32 refrigerant
• Inverter-driven compressor
• Low ambient cooling to -20°F
• Low ambient heating to -22°F
• Quiet outdoor operation
• Compact footprint
• GWIN Tech included

Features & Functions Summary

• Inverter Type: G20
• Ultra Low Frequency Torque Control: Yes
• Power Factor Correction: Yes
• Basepan With Electric Heater: Yes
• Compressor With Electric Heater: Yes
• Outdoor Fin Coating: Blue Fin
• Intelligent Defrosting: Yes
• Force Defrosting: Yes
• Intelligent Preheating: Yes
• Low Voltage Startup: Yes
• Memory / Power Failure Recovery: Yes
• Self Diagnosis: Yes
• Wired Controller Interface: Yes
• Indoor Fan Type: Centrifugal
• Multi Fan Speeds: 7 Speeds
• Indoor Unit Display: Yes
• Auxiliary Electrical Heater: No
• Ventilation (Outdoor Air): No
• A2L Leak Detection Sensor (Indoor): Factory Installed

Reliable Performance

This condenser is engineered for dependable operation across a wide range of outdoor conditions, helping provide year-round comfort.

Ideal Applications

This single-zone ductless mini-split condenser is ideal for residential and light commercial applications where efficient, targeted climate control is required.

Technical Specifications

*GWIN Tech only covers commissioning of system, not install or incorrectly installed systems. 

Assisted DIY Installation Advantage

GWIN complete systems support an Assisted DIY installation approach while retaining access to professional commissioning assistance. Refrigerant charging, startup, electrical work, and final commissioning must be completed in accordance with applicable codes and GWIN requirements.