R454B
Hi-UNI
Mini-split IDU Features:
Up to 22 SEER2/ Up to 9.5 HSPF2
Indoor unit color options: white
Quick and easy Installation with mounting bracket and detachable IDU baseplate
Easily accessible and washable high-definition filter for improved air quality and maintenance
Self‑cleaning IDU with Hisense FrostClean™ technology to reduce dust and bacteria for a healthier home
"I Feel" to control temperature based on user location
ODU Features:
GoldFin® heat exchanger, salt spray tested to 1,500 hours for corrosion resistance
Built-in condenser base pan heater and crank case heater
Heating operation range: -13°F (-25°C) to 75°F (24°C)
Cooling operating range: 5°F (-15°C) to118°F (48°C)
HD/AHU features:
Up to 19 SEER2/ Up to 10 HSPF2
Compact and slim discharge design
Uses R-454B low- GWP refrigerant
Built-in condenser base pan heater and crankcase heater
BlueFin heat exchanger - salt spray tested at 1000 hours
Compatible with Hisense AHUs, coil‑only + furnace systems, third‑party coils, and AHUs
Quiet operation as low as 59 dB(A).
Heating operation range: -13°F (-25°C) to 75°F (24°C)
Cooling operating range: 5°F (-15°C) to 125°F (52°C)
Advanced Zoned Comfort, Elevated Performance

Leakage Alarm
The advanced Leakage Alarm System provides real‑time protection by displaying error codes directly on both the AC unit and the thermostat, enabling quick identification and response to potential issues. When the refrigerant leak ratio reaches a predetermined threshold, the system automatically sends an alert and shuts down the unit to prevent damage and ensure safe operation—an especially important safeguard for refrigerants such as R32 and R454B.

Universal Capabilities
Whether you prefer wall‑mounted, cassette, or slim‑ducted indoor units, the Hi‑UNI series delivers unmatched flexibility. Its universal compatibility allows each unit type to integrate effortlessly into your space, giving you the freedom to tailor your indoor climate precisely to your preferences and room layout.
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