| AFUE Rating | : | 80.4 % |
| Amperage Rating | : | 33 A |
| BTU Rating | : | 42000 Btu/hr Cooling, 90000 Btu/hr Heating |
| CFM Rating | : | 1400 cfm |
| Coil Rating | : | 17 FPI Indoor, 21 FPI Outdoor |
| Compressor Type | : | Scroll |
| Connection Type | : | NPT |
| Dimensions | : | 54-3/4 in H x 48-3/16 in W x 44-1/8 in D |
| EER Rating | : | 11.05 |
| Face Area | : | 17.5 sq-ft Outdoor, 4.7 sq-ft Indoor |
| Finish | : | Pre-Painted |
| Frequency Rating | : | 60 Hz |
| HP Rating | : | 3/4 hp |
| HSPF Rating | : | 6.7 |
| Material | : | Steel |
| Model | : | PDD4 |
| Motor Type | : | ECM |
| Mounting Type | : | Rooftop |
| Number of Stages | : | 1 |
| Phase | : | 1 ph |
| Refrigerant Type | : | R-410A |
| Rotational Speed | : | 810 rpm |
| SEER Rating | : | 14 |
| Series | : | Performance Series |
| Sound Level | : | 73 dBA |
| Temperature Rating | : | 35 to 65 deg F |
| Tonnage | : | 3.5 ton |
| Voltage Rating | : | 208/230 V |
HEIL® Dual Fuel Heat Pump Package Unit, Performance Series, Model: PDD4, 42000 Btu/hr Cooling, 90000 Btu/hr Heating, 208/230 V, 33 A, 3/4 hp, 60 Hz, 1-Phase, 810 rpm Rotational Speed, 1400 cfm, 11.05 EER Rating, 14 SEER, 6.7 HSPF, 80.4 % AFUE Rating, NPT Connection, Scroll Compressor, R-410A Refrigerant, 17 FPI Indoor, 21 FPI Outdoor Coil, ECM Motor, Tonnage: 3.5 ton, 73 dBA Sound Level, 17.5 sq-ft Outdoor, 4.7 sq-ft Indoor Face Area, 1 Stages, Rooftop Mounting, Steel, Finish: Pre-Painted, 35 to 65 deg F, 54-3/4 in H x 48-3/16 in W x 44-1/8 in D
- Environmentally balanced R−410A refrigerant
- Scroll compressor standard on all models
- Copper tube/aluminum fin condenser coil
- Aluminum tube/aluminum fin evaporator coil
- Dehumidification mode (airflow reduction) on all models
- Dense wire grille on all models
- Pre-painted steel cabinet
- Induced-draft combustion and venting
- Direct spark ignition
- High efficiency ECM indoor blower motor on all models
- Stainless steel tubular heat exchanger
- Vertical condenser fan discharge
- Full perimeter steel base rails
- High and low pressure switches provide added reliability for the compressor
- Installs easily on a rooftop or at ground level
- Easy three−panel accessibility for maintenance and installation
- Easily converts to down discharge applications
- Combination gas heating, heat pump heating and electric cooling
- Low NOx units available
- Three-year No Hassle Replacement™ limited warranty