Mechanical Refrigeration Device Component
Control Panel Device Component
Dual Pressure Switch
Structure of DA100 Program
Application of Data Acquisition Equipment
◈ Binary Refrigeration Trainer ◈
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Main menu, It is for setting of software or hardware and initialization of resister information
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It is for select flow chart of each refrigeration system
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The temperature and pressure data text are shown
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It is for select p-h diagram of each refrigeration system
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Performance data (qe, Aw, qc, qf, qr, x, y, COP) automatical calculated are shown
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It is for start, stop, save data and finish of program and observe running statues
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It is for saving flow chart and p-h diagram
◈ P-h diagram ◈
◈ Drawing each P-h diagram as each refrigerant ◈
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Condition
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) Evaporating temperature : -15℃
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) Condensing temperature : 30℃
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) Temperature at inlet of compressor: -15℃(Dry gas)
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) Temperature at inlet of expansion valve: -25℃(sub-cooling temp. 5℃)
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Formula
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) Refrigeration ability (Qe) = ha ― he
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) Compressor work (W) = hb ― ha
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) Condensing load (Qc) = hb ― he = Qe + W
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) Coefficient of performance (COP) = Qe/W
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) Compression Ratio (Pr) = P2/P1
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Comparing each Coefficient of performance as each refrigerant
Video Clips for Product Usage
