| Model | | KF240-B | KF400-B | KF480-B | KF240-B/D | KF400-B/D | KF480-B/D |
| Heating (A20/W15-55) | Hot water capacity | KW | 11.2 | 18.6 | 21.4 | 11.5 | 19.2 | 22.3 |
| COP | W/W | 4.31 | 4.24 | 4.12 | 4.35 | 4.38 | 4.36 |
| Heating (A7/W35) | Heating capacity | KW | 8.5 | 14.8 | 17 | 8.9 | 15.5 | 17.6 |
| COP | W/W | 4.01 | 4.05 | 4.02 | 4.1 | 4.1 | 4.0 |
| Heating (A7/W45) | Heating capacity | KW | 7.9 | 14 | 16.2 | 8.2 | 14.6 | 16.5 |
| COP | W/W | 3.21 | 3.26 | 3.21 | 3.28 | 3.31 | 3.15 |
| Rated heated water output | L/h | 240 | 399 | 459 | 246 | 411 | 478 |
| Rated outlet water temp | ºC | 55 |
| Max outlet water temp | ºC | 60 |
| Rated power input | Kw | 2.6 | 4.4 | 5.2 | 2.6 | 4.4 | 5.1 |
| Rated current | A | 12.4 | 13.4 | 14.4 | 15.4 | 16.4 | 17.4 |
| Power supply | V/Hz/Ph | 220~240/50/1 | 380~415/50/3 | 220~240/50/1 | 380~415/50/3 |
| Compressor | Brand | | Emerson Copeland |
| Compressor type | | Scroll | EVI Scroll |
| Number of compressor | | 1 | 1 | 1 | 1 | 1 | 1 |
| Evaporator | Type | | Hydrophilic Aluminum Fin Heat Exchanger |
| Water side heat exhanger | Type | | High Efficient Tube in Shell Heat Exchanger |
| Pressure Drop | kPa | 30 | 40 | 45 | 30 | 40 | 45 |
| Throttling device | | | Electronic Expantion Valve |
| Fan motor | Fan type | | Low noise high efficiency axial type |
| Fan discharging | | Horizontal | Horizontal |
| Fan quanlity | | 1 | 2 | 2 | 1 | 2 | 2 |
| Fan input | W | 50 | 90 | 90 | 50 | 90 | 90 |
| Fan speed | RPM | 880 | 840 | 840 | 880 | 840 | 840 |
| Water pump | Brand | | WILO | NO |
| Head | m | 6 | 8 | 8 |
| Controller | | LCD Wire Controller |
| Ambient temperature range | ºC | -7~43 | -25~43 |
| Refrigerant | | R407C / R410A |
| Water flow | m3/h | 1.9 | 3.2 | 3.7 | 2.0 | 3.3 | 3.8 |
| Water pipe size | | DN25 | DN25 | DN25 | DN25 | DN25 | DN25 |
| Noise in 1 meter distance | dB(A) | 59 | 63 | 63 | 59 | 63 | 63 |
| Cabinet | | Stainless Steel / Galvanized Powder Coated Steel |
| Low pressure protection system | | YES |
| High pressure protection system | | YES |
| Water flow switch | | YES |
| Automatic defrosting system | | YES |
| Dimension | W/D/H | mm | 1110/400/750 | 1110/530/1260 | 1110/530/1260 | 1110/400/750 | 1110/530/1260 | 1110/530/1260 |
| Net weight | kg | 110 | 155 | 170 | 110 | 155 | 170 |