... Source Heat Pump -Low Energy Comsumption -Refrigerant R134a, R407c -Low Noise,Scroll Compressor -CE ... design, stable operation of unit using environment-friendly refrigerant, no waste discharge; 6. Environment protection: ... Bizter, Danmark Danfoss eetc.)RefrigerantEnvironmental protection refrigerants(R134a, R407c, R410a etc.)Chargekg78111417212527334254EvaporatorTypeHigh Efficient Casing Circulation ...