38 VI.72.M4.02 Danfoss 11/97 BC-HM
System 4-A - Floor heating with constant flow temperature
System 4-B - Floor heating with constant room temperature
Control principle
PI flow temperature control (S1) and P
room temperature control (S2). Room
temperature held constant by motor
valve control M. Circulation pump
controlled by relay R1.
System types 4-A and 4-B - Floor heating
Control principle
PI flow temperature control. Flow
temperature (S1) held constant by motor
valve control M. Circulation pump
controlled by relay R1.
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