| abstract |
A heat pump system for vehicle may include a first cooling apparatus that includes a first radiator and a first water pump connected by a first coolant line, a second cooling apparatus that includes a second radiator and a second water pump connected by a second coolant line, a battery module provided in a battery coolant line selectively connectable to a second coolant line through a first valve, and a chiller provided in a battery coolant line, connected to a refrigerant line of an air conditioner through a refrigerant connection line, and adjusting coolant temperature by heat-exchanging selectively received coolant with refrigerant, wherein a main heat-exchanger provided is connected to the first and second coolant lines to receive coolant circulating the first and second cooling apparatuses, and is connected to the first and second connection lines through a refrigerant valve to condense or evaporate refrigerant through heat-exchanging with coolant. |