| Model | KFXRS-35b/K | KFXRS-50b/K | KFXRS-72b/K | KFXRS-90b/K |
| Power supply | Ph-V-Hz | 220V/1PH/50HZ |
| Working temp | ℃ | -15℃~43℃ | -15℃~43℃ | -15℃~43℃ | -15℃~43℃ |
| Max. outlet Water temp. | ℃ | 60℃ | 60℃ | 60℃ | 60℃ |
| Water Heating (A20/W55) | Capacity | KW | 3.5 | 5 | 7.2 | 9 |
| Hot water yield | L/h | 75 | 107 | 155 | 193 |
| Input | KW | 0.9 | 1.28 | 1.79 | 2.31 |
| COP | W/W | 3.89 | 3.91 | 4.02 | 3.9 |
| Rated current | A | 3.97 | 5.8 | 8.23 | 11.17 |
| Max. input consumption | KW | 1.31 | 1.86 | 2.60 | 3.3 |
| Max. input current | A | 6.2 | 8.9 | 12.4 | 16 |
| Starting current | A | 18 | 28 | 35 | 61 |
| set Temp. | ℃ | 25~60 | 25~60 | 25~60 | 25~60 |
| Water system | materials of water pipe |
| copper | copper | copper | copper |
| water flow | m3/h | 0.8 | 1.1 | 1.5 | 2 |
| Water different pressure | Kpa | 60 | 50 | 60 | 60 |
| Dia. water inlet pipe | mm | DN20 | DN20 | DN20 | DN20 |
| Dia. water outlet pipe | mm | DN20 | DN20 | DN20 | DN20 |
| Design pressure | Mpa | 4.2/0.02 | 4.2/0.02 | 4.2/0.02 | 4.2/0.02 |
| Compressor |
| Mitsubishi | Toshiba | Mitsubishi | Toshiba |
| Water Pump (Preassembled) |
| WILO/SHINHOO |
| Gas Weight (R410A) | g | 650 | 750 | 850 | 1000 |
| Outdoor noise level (1 meter) | dB(A) | 52 | 53 | 54 | 55 |
| Outdoor unit | Dimension(L*W*H) | mm | 750*300*498 | 750*300*498 | 933*350*550 | 1002*350*620 |
| Packing(L*W*H) | mm | 820*330*520 | 820*330*520 | 1005*380*580 | 1075*380*650 |
| NG/WG | kg | 40/48 | 45/53 | 55/65 | 73/87 |
| Warranty Terms | NOTE | 1% free spare parts provided for maintenance(min order 20ft container, but mix less than 3 models, less than min order, no free spare parts provided). |
| ▲Testing condition: ambient Dry/Wet Bulb Temp.: 20℃/15℃; Water Inlet/Outlet Temp.: 15℃/55℃. |
