Outdoor Unit Single-Zone Ductless Heat Pump Puron Advance R-454B 1 Ton 115 V 1-Phase 60 Hz 37MARAQ12AA1

The Outdoor Unit Single-Zone Ductless Heat Pump Puron Advance R-454B 1 Ton 115 V 1-Phase 60 Hz (37MARAQ12AA1) is a compact single-zone heat pump designed for applications where 115 V single-phase power is available, providing efficient cooling and heating using Bryant’s Puron Advance™ (R-454B) refrigerant. As part of the 37MARA preferred line, this unit includes features such as a built-in base pan heater, condenser high-temperature protection, and quiet outdoor operation, making it suitable for installations with space constraints or where only lower-voltage service is present. It is compatible with standard indoor fan coils and a variety of ductless indoor configurations. For proper job fit, technicians must confirm the indoor fan coil is properly matched for a 1 Ton system, verify refrigerant line sizing and allowable run length per Bryant’s installation guidelines, and ensure the 115 V single-phase, 60 Hz supply is correctly protected with appropriate overcurrent devices. Accurate pairing and proper electrical setup support reliable comfort delivery and help maintain Bryant factory warranty provisions.