Vidmas30 Posted November 15, 2013 Report Share Posted November 15, 2013 Good day, We have a heating system (closed loop) with boiler and circulation pump with frequency converter (on return). The task is to maintain constant t-re (on return) while keeping pressure in users desirable limits. Maybe someone had similar task and could share his oppinion about control method? Thank you in advance! Quote Link to comment Share on other sites More sharing options...
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