46 VI.72.M4.02 Danfoss 11/97 BC-HM
Control principle
PI control of brine temperature (S1).
Brine temperature held constant by
System 6-A - Refrigeration system with constant brine temperature
motor valve control M. Circulation pump
P1 controlled by relay R1.
System 6-B - Refrigeration with constant room temperature
Control principle
PI control of brine temperature (S1) and
P room temperature control (S2). Room
temperature held constant by control of
motor valve M. Circulation pump
controlled by relay R2 and fan P1 by
relay R1.
System types 6-A and 6-B - Refrigeration systems
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