Ramsond RDZ‑18HP‑230V0 — 18,000 BTU Free‑Match Outdoor Condenser

Engineered for performance, built for durability, and refined for modern comfort — the Ramsond RDZ‑18HP‑230V0 represents the next generation of high‑efficiency heating and cooling. Designed around the advanced R454B refrigerant platform, this 18,000 BTU outdoor condenser delivers exceptional climate control even in extreme environments.

Whether paired with wall‑mounted, ducted, concealed‑duct, or multi‑zone indoor units, the RDZ series provides unmatched flexibility. Every component is selected for precision, longevity, and whisper‑quiet operation — making this one of the most refined condensers in its class.

Key Specifications

The RDZ‑18HP‑230V0 is more than a condenser — it’s a complete climate solution. Below are the core technologies that elevate its performance and reliability.

High‑Efficiency Dual‑Rotary Compressor

The SANYO dual‑rotary compressor is the heartbeat of the RDZ system. Its dual‑rotor design minimizes vibration, enhances torque stability, and ensures reliable heating performance even in extreme low‑ambient conditions.

• Model: C‑6RZ180H1AAF
• Ultra‑low vibration
• Optimized for R454B
• High‑efficiency modulation
• Whisper‑quiet operation

Electric Crankcase Heater Protection

The integrated crankcase heater prevents refrigerant migration during freezing temperatures, ensuring safe compressor startup and maintaining proper lubrication.

• Prevents refrigerant flooding
• Protects compressor oil
• Ensures safe cold‑weather startup
• Extends compressor lifespan

Intelligent Defrost System

Frost buildup reduces heating efficiency. The RDZ‑18HP‑230V0 uses a sensor‑driven defrost algorithm that activates only when needed, improving energy efficiency and maintaining consistent heating output.

• Reverse‑cycle defrost
• Coil temperature monitoring
• Reduced energy consumption
• Optimized for low‑ambient heating

High‑Density Condenser Coil

The high‑density aluminum fin coil maximizes heat transfer efficiency while maintaining long‑term corrosion resistance. Its optimized airflow geometry enhances both cooling and heating performance.

• High‑efficiency fin design
• Anti‑corrosion coating
• Enhanced airflow
• Supports cooling up to 131°F

Manuals & Documentation

Below are the recommended documents for installation, operation, and maintenance:

• Installation Manual (PDF)
• Owner’s Operation Manual
• Electrical Wiring Diagram
• Refrigerant Charging Chart
• Warranty Information

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