Hydraulic center

The utility model relates to the field of air conditioning systems, in particular to a hydraulic center which comprises a shell and an internal system arranged in the shell. The internal system comprises a water tank, a pipeline connected with the water tank, and an execution element arranged on the pipeline; the interior of the shell is at least divided into a first cavity and a second cavity through a partition plate, the water tank is arranged in the first cavity, the execution element and part of a pipeline connected with the execution element are installed in the second cavity, and at least two pipe sections in the pipeline penetrate through the partition plate to be communicated with the water tank. At least two pipe openings extend out of the side wall of the second cavity to form pipe connectors. According to the hydraulic center, the water tank, the execution element and part of pipelines connected with the execution element are installed in the two cavities respectively, the size can be reduced by 2