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Product Features:1.Applied range:sanitary hot water or indoor heating.2.Enhanced vapor injection compressor.3.Operate normally in - 20°C,and hot water 50°C.4.Eco-friendly refrigerant: R407C .5.Two speed fan motor:further improve unit operation under high ambient temp. 6.Electronic expansion valve regulates the flow of refrigerant precisely.7.Heat-exchanger cycle technology to further improve operation under low ambient temperature.8.Air exchanger(Fins-coil) with hydrophilic coating.9.Galvanized plate shell, powder coating.10.LCD display wire controller.11.Can set the operating time freely. 12.Unit runs or stop automatically according to water temperature.13.Can control the auxiliary heating (e.g. electric heating).14.With hot water return control, to keep the water warm in supplying pipe.15.Water Level Display and can be set freely(according to choice).16.Water flow protection control.17.Automatic prevent freezing function in the winter.18.Automatic defrosting.19.Failure diagnosing function.
Specifications:
| Model | KFRS-12J2P | ||
| Power supply(V/Ph/Hz) | 380-415/3/50 | ||
| Heating capacity | kW | 18 | |
| Rated power input | kW | 4.2 | |
| COP | W/W | 4.3 | |
| Hot water output | L/h | 390 | |
| Water flow | m3/h | 3.4 | |
| Hot water temperature | °C | 20~60 | |
| Compressor type | EVI Scroll | ||
| Refrigerant | R407C | ||
| Noise | dB(A) | 58 | |
| Net weight | kg | 130 | |
| Unit dimensions(L×W×H) | mm | 960×340×1260 | |
| Packing dimensions(L×W×H) | mm | 1100×480×1350 | |
| Stacking layers | layer | 2 | |
| Water pipe connector | mm | DN25(1") | |
| Ambient condition | °C | -25~43 | |
| Water side exchanger | Tube in tube | ||
| Water flow switch | accessory | ||
| 1. Water heater rated test conditions: Ambient temp.(DB/WB): 20°C/15°C,Initial water temp. 15°C,temp. rise 40°C. | |||
| Remarks:Flexible range with other various power supply available according to the client's requirement. | |||
Low ambient temperature EVI air source(air to water)heat pump water heater(18kW)