Model BGB15-090/P BGB15-105/P BGB35-120/P BGB35-135/P Rated heating capacity KW 10.5 12.5 14.5 16.5 BTU 35000 42000 49000 56000 Rated cooling capacity KW 9.5 11 13 14.5 BTU 32000 37000 44000 49000 COP /EER 4.9/4 4.9/3.9 4.9/3.9 4.9/3.9  Heating power input KW 2.15 2.55 2.97 3.34 Cooling power input KW 2.4 2.8 3.3 3.7 Power supply V/Ph/Hz 220~240/1/50~60 380/3/50~60 Max outlet water temp ° C 50 50 50 50 Applicable ambient temp ° C 一15~43 一15~43 一15~43 一15~43 Water flow volume M3/H 1.7 2.1 2.4 2.7 Water connections Inch 1'' 1'' 1'' 1'' water pressure drop Kpa 11 18 21 25 Compressor qty Pc 1 1 1 1 Container loading qty 20/40/40HQ 21/48/96 21/48/96 21/48/96 21/48/96 FAQ 1.What else can affect the efficiency of the ground source heat pump? The soil composition of each country is different, resulting in different heat transfer efficiency. For example, soil with a large sand content will have a better thermal conductivity, so the efficiency will be higher. 2.Is there any difference between the vertical buried pipe and the laid buried pipe of the ground source side pipeline of the ground source heat pump? The temperature of the ground source side of the vertical buried pipe is more stable, and the unit efficiency is higher, but the buried pipe cost will be relatively high. The temperature of the ground source side of the laying buried pipe is easily affected, which leads to a decrease in the efficiency of the unit, and occupies a large area of open space, but the cost of the buried pipe is low.