Daikin DFH0481D000001S – 4 Ton Commercial Heat Pump Packaged Rooftop Unit
Product Overview
The DFH0481D000001S is a 4-ton light commercial packaged rooftop heat pump system designed to provide efficient heating and cooling in a single self-contained unit. Built for small to mid-size commercial applications such as retail stores, offices, restaurants, schools, and light industrial spaces, it delivers reliable year-round comfort with consistent airflow and compact rooftop design.
This unit uses a high-efficiency scroll compressor paired with a direct-drive indoor blower motor, ensuring stable airflow, quiet operation, and dependable temperature control. Its factory-assembled, pre-charged, and fully tested construction helps reduce installation time, simplify commissioning, and improve long-term system reliability. It is designed for rooftop or curb-mounted installation and supports horizontal or downflow airflow configurations for flexible installation in new construction or retrofit projects.
THIS PRODUCT IS DISCONTIUNED. THE DAIKIN MODEL DFH0481D000001S IS BEING REPLACED BY THE Daikin DSH0481D000001S
Quick Facts
- System Type: Packaged Rooftop Heat Pump (Heating & Cooling)
- Cooling Capacity: ~4 tons (≈46,000 BTU nominal)
- Heating Capacity: ~45,000 BTU output (heat pump operation range)
- Refrigerant: R-410A / R-32 (platform dependent by revision)
- Power Supply: 208/230V, single-phase, 60 Hz
- Compressor Type: Single-stage high-efficiency scroll compressor
- Fan System: Direct-drive indoor blower motor
- Airflow: ~1,500–1,600 CFM nominal range
- Efficiency: ~13–14 SEER2 / ~11–12 EER range
- HSPF2: ~6.7 (approx. heating efficiency metric)
- Installation: Rooftop or curb-mounted (horizontal or downflow)
- Cabinet: Heavy-gauge galvanized steel with weather-resistant powder-coated finish
- Application: Small to mid-size commercial buildings
- Design Focus: Balanced efficiency, durability, and straightforward installation