D Series air to water heat pump utilizes direct contact of condenser coils with the water
medium. This results in highest heat transfer coefficient and maximum C.O.P.
Technical Specifications : D Series
| Sr. No. | Parameter | Models | |||
| Free-Heat-10D | Free-Heat-15D | Free-Heat-20D | Free-Heat-30D | ||
| 1 | Heating Capacity | 100 Liters / Hr | 150 Liters / Hr | 200 Liters / Hr | 300 Liters / Hr |
| 2 | Heating Output | 4.1 kW | 6.1 kW | 8.2 kW | 12.2 kW |
| 3 | Electrical Power Input | 1.3 kW | 1.96 kW | 2.56 kW | 3.8 kW |
| 4 | C.O.P. | 3.1 | 3.1 | 3.2 | 3.2 |
| 5 | Refrigerant | R-134a / R-407C | R-134a / R-407C | R-134a / R-407C | R-407C |
| 6 | Max. Temperature | 60 deg. C | 60 deg. C | 60 deg. C | 60 deg. C |
| 7 | Anode | Mg | Mg | Mg | Mg |
| 8 | Electrical Supply | 230 V, 50 Hz, 1 Ph | 230 V, 50 Hz, 1 Ph | 230 V, 50 Hz, 1 Ph | 415 V, 50 Hz, 3 Ph |
| 9 | Compressor | Recip. / Scroll | Recip. / Scroll | Recip. / Scroll | Scroll |
| 10 | Condenser | Shell & Coil type | Shell & Coil type | Shell & Coil type | Tube in Tube type |
| 11 | Evaporator | Forced convection air cooled |
Forced convection air cooled |
Forced convection air cooled |
Forced convection air cooled |
| 12 | Evaporator Fan | Axial flow type | Axial flow type | Axial flow type | Axial flow type |
