Model: KFR-51LW / BP3DN1Y-CD (2) Properties: DC inverter high-efficiency DC inverter compressor, matching advanced indoor and outdoor fan motor DC DC fan motor, with the inherent advantages of a DC motor, combined with high-tech full DC control system, air-conditioning energy saving technology to the fullest, to create the ultimate energy-efficient air conditioning. Super-cooling heat United Van Tai Lo Guiji, start new upgraded air conditioning control system, strengthen the operational capacity of the compressor speed, high frequency start to enhance the air conditioning turned on the heat effect of cooling rate of speed. 3D stereo out of the wind Guiji United Van Tai Lo, out of the wind to achieve a breakthrough design, multi-outlet surrounded by air, comfortable air circulation, just like atmospheric circulation space as evenly distributed in every corner, the ultimate comfort and natural. Health ventilatory function United Van Tai Lo Frequency Guiji ad hoc health ventilating device, continuing ventilation capacity, continuous supply of fresh air to the room, so you can breathe indoors natural fresh air. Specifications: Performance parameters cooling capacity (W) 5100 (900-6260) Heating Capacity (W) 6700 (900-7800) +2100 refrigeration for area (square meters) 24-37 heating for an area (square meters) 27-36 Flow Rate (m3 / h) 1000 Horse two exterior colors red wine glass panel material outside the machine Dimensions (W * H * D) 860 * 540 * 290 machine Dimensions (W * H * D) 450 * 2050 * 340 energy-saving energy efficiency Level 2 EER (energy efficiency ratio) is no frequency SEER-21455 (SEER) 4.38 noise machine noise (decibel dB) (Low - High) 26-39 outside the machine noise (decibel dB) (low - high) 43- 55 rated cooling power consumption (W) 1600 (210-2420) Rated Heating Power (W) 1950 (210-2430) +2100 Power Rated voltage (V-PH-Hz) 220-1-50 net weight of the indoor unit weight (kg) 52 outdoor unit net weight (kg) 38 No purification system features high-frequency speed PM2.5 hot technology whether Smart Control IOT intelligent control technology (optional) is fully enclosed structure integrated ultra-low frequency operation has not 0.1Hz precision ± 0.1 ℃ thermostatic control system with full DC inverter DC inverter system has no high gold-plated heat exchange system wise eye without RF remote control has surrounded on both sides there is a strong positive air blower has 3D 360-degree air without air variable speed blower put the wind up and down automatically have about double tubular automatically put the wind is no single non-rotating tubular outlet without health ventilation indoor outdoor hot dry clean reverses the dust-free high-density filters have cold catalyst filter has a new environmentally friendly R410A refrigerant has -15 ℃ ultra-low temperature heating have 150V ultra low voltage start electric auxiliary heating there is a strong heat has ultra-quiet cooling with separate dehumidification with automatic defrost have controllable electric auxiliary heat there Rui Feng function have i-mode Intelligent memory function display lights controlled 24-hour timer is provided with indoor and outdoor temperature inquiries outdoor unit has five weight-rust