Page 243 - HVAC Pump Handbook
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Rishel_CH08.qxd  21/4/06  6:16 PM  Page 240




                                       The Use of Water in HVAC Systems















                             DP
                                                     C







                             DP
                     Two-way  valves                 C





                                                      Control
                             DP
                                                     C
                                                                  Circulator control  Constant speed  Distributed pumping with small circulators in chiller plant.

                      Coils                                            circulators


                             DP                                                Automatic valves
                                                     C            C
                                                             FT        Chiller
                            Differential  pressure  transmitters       Chiller
                                               Variable speed,  building pumps  Chiller  Figure 8.13
















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