Outdoor Unit Single-Zone Ductless Heat Pump QuietComfort Series Inverter R-454B 18,000 BTU 208/230 V 1-Phase 60 Hz D5CSRAH18AAK

The Outdoor Unit Single-Zone Ductless Heat Pump QuietComfort Series Inverter R-454B 18,000 BTU 208/230 V 1-Phase 60 Hz (D5CSRAH18AAK) is a mid-capacity outdoor condenser designed for single-zone spaces with increased heating and cooling demand while prioritizing quiet performance. Rated at 18,000 BTU (1.5 ton), this unit combines inverter-driven capacity control with R-454B refrigerant to deliver consistent comfort, reduced operating sound, and improved efficiency during part-load operation. It runs on 208/230 V single-phase, 60 Hz power. For proper job fit, technicians must verify indoor unit compatibility at 18K capacity, confirm refrigerant line sizing and allowable piping distances, and ensure the electrical service meets specified MCA and MOCP values. Accurate application supports reliable system performance and long-term durability.