| 摘要 |
PURPOSE: A wire and wireless management system for a freezing and cooling apparatus is provided to prevent an accident caused by leakage of refrigerant gas. CONSTITUTION: A first automatic temperature and pressure diagnosing device(A) is attached to an oil separator course pipe line for confirming the normality of refrigerant steam compressed in a compressor(1) and controlling the refrigerant steam. Second and third automatic temperature and pressure diagnosing devices(B,C) are attached to oil cooler and condenser course pipe lines for confirming the normality of oil and the refrigerant separated by an oil separator(2). A fourth automatic temperature and pressure diagnosing device(D) is attached to an intermediate course pipe line for confirming the normality of the refrigerant condensed in a condenser. A fifth automatic temperature and pressure diagnosing device(E) is attached to an intermediate cooler(5) for confirming the normality of the intermediate cooler. A sixth automatic temperature and pressure diagnosing device(F) is attached to a compressor course pipe line for confirming the normality of the refrigerant cooled in the intermediate cooler. A seventh automatic temperature and pressure diagnosing device(G) is attached to the compressor course pipe line for confirming the normality of the oil cooled in the oil cooler.
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