Product features:  1. High effciency and enviroment protection. 2.World famous brand compressor are adopted ( copeland , hitachi, sanyo ), eer up to 5.0, reduce co2 emission to protect earth. 3.Top quality parts are used, compressor, sanhua 4-way valva, emerson vave. 4.Multiple protection function: high pressure, low pressur, overheating, overload anti-freezing, phase sequence,   discharge temperature, suction temperature and so on.  5.Cooling only or cooling and heating for optional. 6. Heat recoverry function for optional. 7. Wide range for application.  Technical parameter:   Unitsdbt-25kw Heating capacitykw26 Heating power inputkw4.1*2 Starting currenta37*2 Copw/w3.15 Cooling capacitykw25.00 Cool power inputkw4.1*2 Operating currenta6.3*2 Eepw/w3.05 Operating currenta6.3*2 Starting currenta29*2 Working ambient temp ?c-7-45 Power supply v/ph/hz380/3/50-60 Compressortypescroll Refrigerant typer22/r407c/r407c/r410a Lengthmm1420 Widthmm750 Heightmm1070 Net /gross weight kg260/300 United noise level db (a)58 Certification   cb, ce, emc, rohs, saso, ccc