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Product Description
Ramsond RDZ‑45HP‑230V0 — 45,000 BTU Free‑Match Outdoor Condenser
Engineered for performance, built for durability, and refined for modern comfort — the Ramsond RDZ‑28HP‑230V0 represents the next generation of high‑efficiency heating and cooling. Designed around the advanced R454B refrigerant platform, this 28,000 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
| Category | Details |
|---|---|
| Outdoor Model | RDZ‑28HP‑230V0 |
| Sales Model | TMH18HEI2NAO0U24 (845C / 18K) |
| Cooling Capacity | 18,000 BTU (Range: 3,500–22,000) |
| Heating Capacity | 20,000 BTU (Range: 3,500–23,000) |
| SEER2 / EER2 | 24 SEER2 / 13 EER2 (Non‑ducted) |
| HSPF2 | 10.5 (Region IV) |
| Refrigerant | R454B — 1700g / 60oz |
| Noise Level | 58 dB(A) |
| Dimensions | 36.5 × 15 × 27.5 in |
| Compressor | SANYO Dual‑Rotary |
The RDZ‑28HP‑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 migration
- Protects compressor during cold starts
- Maintains proper oil lubrication
- Improves reliability in low‑ambient conditions
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
Automatic Reverse‑Fan Cleaning Function
Once activated, the ODU axial fan reverses direction, generating a powerful airflow that blows out accumulated dust, particles, and debris from the outdoor unit’s fins.
This automatic self‑cleaning cycle helps maintain peak heat‑exchange efficiency, reduces maintenance needs, and ensures long‑term system reliability.
- Clears dust and buildup from condenser fins
- Improves airflow and cooling performance
- Reduces service frequency
- Enhances long‑term durability
Premium Warranty Coverage & Guaranteed Parts Availability
Ramsond stands behind every RDZ system with industry‑leading protection designed to keep homeowners comfortable and technicians confident. When reliability matters, Ramsond delivers peace of mind without compromise.
And unlike many brands, Ramsond keeps parts in stock. If a unit ever goes down, replacement components are ready — no long waits, no backorders, no downtime. Your comfort stays protected.
- 5‑Year Parts Warranty — full coverage on essential components
- 7‑Year Compressor Warranty — long‑term protection for the core of the system
- Guaranteed Parts Availability — Ramsond stocks parts for fast service
- Confidence for Technicians & Homeowners — no delays, no uncertainty
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
Upload your manuals to BigCommerce → File Manager and link them here.
