Outdoor Unit Single-Zone Ductless Heat Pump QuietComfort Series Inverter R-454B 18,000 BTU 208/230 V 1-Phase 60 Hz

The Outdoor Unit Single-Zone Ductless Heat Pump QuietComfort Series Inverter R-454B 18,000 BTU 208/230 V 1-Phase 60 Hz (D5CUHAH18AAK) is a mid-capacity outdoor unit designed for single-zone spaces requiring efficient year-round comfort with quiet operation. With a 18,000 BTU (1.5 ton) rating, this inverter platform modulates capacity to closely match load conditions, supporting temperature stability and improved seasonal efficiency using R-454B refrigerant. It runs on 208/230 V single-phase, 60 Hz electrical service. For proper job fit, technicians must verify indoor unit compatibility at 18K, confirm refrigerant piping sizes and allowable run lengths, and ensure the electrical service meets MCA and MOCP requirements. Proper application supports reliable operation and long-term durability.