Double-working-condition air conditioning unit and control method thereof

The invention discloses a double-working-condition air conditioning unit and a control method thereof, and the double-working-condition air conditioning unit comprises a refrigerating system, an air conditioning system and a control system, the double-working-condition water outlet system comprises a chilled water outlet pipe which is connected with the chilled water outlet of the evaporator, the chilled water outlet pipe comprises a low-temperature water pipe and a high-temperature water pipe which are connected in parallel, chilled water in the pipe is led to a low-temperature water user side through the low-temperature water pipe, and the chilled water in the pipe is heated through a heat exchange device and then led to a high-temperature water user side through the high-temperature water pipe. The problem that in the prior art, the hardware cost of a double-working-condition air conditioning unit is high is solved, the investment cost is reduced, and meanwhile the double-working-condition air conditioning