複合熱源ヒートポンプ装置

Japanese Patent JP6968769

B2

To provide a composite heat source heat pump device having high operation efficiency while obtaining desired heating output.SOLUTION: A composite heat source heat pump device includes a load-side circulation circuit 30 formed by annularly connecting a first load-side heat exchanger 41, a second load-side heat exchanger 51 and an air conditioning terminal 36 successively from an upstream side by load-side piping 31 to circulate a circulation liquid L, a first heat pump circuit 40 including a first compressor 43 and heating the circulation liquid L through the first load-side heat exchanger 41, a second heat pump circuit 50 including a second compressor 53 and heating the circulation liquid L through the second load-side heat exchanger 51, and control means 6 for determining a refrigerant target discharge temperature T1 of the first compressor 43 and a refrigerant target discharge temperature T2 of the second compressor 53 so that T1