In order to avoid damage to heat pipe, the core of the pump should be paid attention to protect the sealing surface, and the tube bundle is placed on the special supporting structure. In the installation, there is enough space to meet the needs of the disassembly and maintenance, which should be in the condition of the non stress state, to avoid the power assembly. The cooler allowed to run beyond nameplate under specified conditions. The temperature and pressure drop of the tube and the shell and the temperature and the pressure drop of the cooler can be kept to be used to analyze the leakage and the scale of the cooler.