Apply to sanitary hot water,heating,cooling EVI compressor Heating normally in -25deg C Five modes Electronic expansion valv
Product Features:1.Applied range:heating,cooling,sanitary hot water.2.Enhanced vapor injection compressor.3.Five modes: Hot water;Heating;Cooling;Heating + Hot water;Cooling + Hot water.4.On the Heating+hot water or cooling+hot water model,priority to hot water.5.Eco-friendly refrigerant: R407C.6.Electronic expansion valve regulates the flow of refrigerant precisely.7.Air exchanger(Fins-coil) with hydrophilic coating.8.Galvanized plate shell, powder coating.9.LCD display wire controller.10.Can set the operating time freely. 11.Unit runs or stop automatically according to water temperature.12.Compatibility of indoor signal control(10~12V).13.Water flow protection control.14.Can control the auxiliary heating (e.g. electric heating).15.With hot water return control, to keep the water warm in supplying pipe.16.Water flow protection control.17.Automatic prevent freezing in the winter.18.Automatic defrosting.19.Failure diagnosing function.
Specifications:
| Model | KFRS-18J2LDPA | KFRS-22J2LDP | ||
| Power supply(V/Ph/Hz) | 380-415/3/50 | |||
| Hot water mode | Heating capacity | kW | 18 | 22 |
| Rated power input | kW | 4.2 | 4.9 | |
| COP | W/W | 4.3 | 4.5 | |
| Hot water output | L/h | 390 | 480 | |
| Hot water temp. | °C | 20~60 | ||
| Floor heating mode | Heating capacity | kW | 15 | 18.5 |
| Rated power input | kW | 3.8 | 4.7 | |
| COP | W/W | 3.9 | 3.9 | |
| Fan coil heating | Heating capacity | kW | 15.0 | 18.5 |
| Rated power input | kW | 4.45 | 5.50 | |
| COP | W/W | 3.4 | 3.4 | |
| Cooling | Cooling capacity | kW | 12 | 15 |
| Rated power input | kW | 4.20 | 5.20 | |
| EER | W/W | 2.9 | 2.9 | |
| Water flow | m3/h | 3.4 | 4.1 | |
| Water resistance | kPa | ≤10 | ≤15 | |
| Compressor type | EVI Scroll | |||
| Refrigerant | R407C | |||
| Noise | dB(A) | 58 | 59 | |
| Net weight | kg | 124 | 154 | |
| Unit dimensions(L×W×H) | mm | 755×755×980 | ||
| Packing dimensions(L×W×H) | mm | 780×780×1020 | ||
| Stacking layers | layer | 2 | 2 | |
| Water pipe connector | mm | DN25(1") | DN25(1") | |
| Ambient condition | °C | -25~43 | ||
| Water side exchanger | PHE | |||
| Water flow switch | accessory | accessory | ||
| 1)Hot water rated test conditions: Ambient temp.(DB/WB): 20°C/15°C,Initial water temp. 15°C,temp. rise 40°C.2)Floor heatling rated test conditions:Ambient temp.(DB/WB): 7°C/6°C,Water temp.(In/Out):30°C/35°C. | ||||
| Remarks:Flexible range with other various power supply available according to the client's requirement. | ||||
Low ambient temperature EVI air to water(air source) heat pump three-purpose unit(HVAC central air conditioner 12kW 15kW )
