TECHNICAL MANU AL CD 30÷520 06.06 M T E 0 11 2 5 6 ... - Chiller

CD 30 ÷ 520Numbers of modules can be assembled into a large unit by connecting each own inlet & outletpipeline in series, a unit consists of 1-8 modules (2-16 units) and the max cooling capacity is 480KW,unit system of principle is shown as follows:To correctly operate the unit and ensure normal and safe running when the outdoor Temp isunder 0°C in winter, the following should be noticed:• If the unit will not be used for a long time, please drain water away to prevent the plate heatexchangerfrom freezing.• If it is used frequently, it is absolutely forbidden to switch off the power, because the unit hasauto anti-freeze function. Moreover, in order to protect the plate heat-exchanger from freezingin case the unit stops at night, and it must add some anti-freeze mixture to water system suchas glycol or propylene glycol.• Water flow switch should be installed correctly; otherwise, the unit may be damaged. What’smore, the water flow switch should be checked periodically if it is work normally.• If malfunctions occur, it is absolutely forbidden to turn on the unit before the problems aresolved. At the same time, please drain water away to prevent the plate heat-exchanger fromfreezing.8