Side Discharge Light Commercial AC Z-Ultra Series
Side Discharge Light Commercial AC Z-Ultra Series
Side Discharge Light Commercial AC Z-Ultra Series
The Z-ULTRA R454B series delivers high-efficiency comfort with advanced DC inverter technology, achieving up to 30% energy savings and stable indoor temperature control. Designed for extreme climates, it provides 100% heating at −4 °F and reliable performance at −22 °F. Featuring universal compatibility, flexible installation, adaptive power supply, and ultra-quiet operation, it ensures both convenience and reliability. With smart control options, optional electric heaters, and eco-friendly R454B refrigerant, Z-ULTRA offers a powerful, sustainable, and user-focused HVAC solution.




Key Features
- Up to 30% energy saving with advanced DC inverter compressor and fan motors, delivering stable room temperature and smooth airflow for consistent comfort.
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Provides 100% heating capacity at −4 °F (−20 °C) and maintains up to 60% output at −22 °F (−30 °C) for reliable winter operation.
- Equipped with 485 + 24 V bi-communication technology, supporting cross-brand IDU/ODU connection and compatibility with most universal thermostats and AHUs in the market.
- Features a multi-position AHU design for four installation directions, with pre-wired terminals and a 25 m maximum wiring length for simplified installation.
- Automatically recognizes 115 V / 208–230 V input without manual switching, with built-in protection to prevent misconnection or electrical burnout.
- Operates quietly with indoor noise levels as low as 39 dB(A); the M-shaped coil and balanced fan design ensure silent and efficient airflow.
- Offers optional electric heater kits (3 kW–25 kW) for additional heating support, ideal for extremely low-temperature regions.
- Compatible with Wi-Fi and dual wired controllers, providing flexible, user-friendly, and centralized control options.
- Built-in refrigerant leak detection enhances safety, while the optimized internal structure ensures long-term reliability and durability.
- Uses R454B low-GWP refrigerant, achieving high performance with lower environmental impact.

Side Discharge Light Commercial AC Z-Ultra Series
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