4.5.1. MCS 1 and MCS 2


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Fig. 4.12: The BOGE Master Control System 2
MCS 1 controls 2 compressors of the same size at base load and peak load. The compressors are cyclically changed and switched on and off via their own pressure switches. The control unit offers:
    • Cyclic change via a timer.
    • Time lag cycling of the compressors by the control unit through pressure graduation.
    • Even use of compressors.
    • Constant pressure in the pressure range.
    • Minimal cycle difference ? p = 0,8 bar
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Fig. 4.13: The circuit diagram of the BOGE MCS 2
MCS 2 controls up to 3 compressors of the same size at base load, medium load and peak load. The compressors are cyclically changed and switched on and off via their own pressure switches. The upgrade to 3 compressors and the greater cycle difference is the only difference to the MCS 1. The features
are otherwise the same.
    • Minimal cycle difference ? p = 1,1 bar