Outdoor Unit Single-Zone Ductless Crossover Heat Pump Puron Advance R-454B 4 Ton 208/230 V 1-Phase 60 Hz 37MUHAQ48AA3

The Outdoor Unit Single-Zone Ductless Crossover Heat Pump Puron Advance R-454B 4 Ton 208/230 V 1-Phase 60 Hz (37MUHAQ48AA3) is the largest-capacity crossover outdoor condenser in this series, engineered for demanding single-zone applications in large residential or light commercial spaces. With a nominal 4-ton capacity, this unit uses inverter modulation and Puron Advance R-454B refrigerant to adapt output to load conditions while maintaining efficient part-load performance and quiet operation. It operates on 208/230 V single-phase, 60 Hz power. For proper job fit, technicians must verify the indoor unit is approved for 4-ton crossover pairing, confirm correct refrigerant piping size and maximum allowable distances, and ensure the electrical supply is properly sized per Bryant MCA and MOCP specifications. Accurate pairing ensures balanced performance, protects system components, and minimizes service issues.