Visio-Sample VAV Lab 2 diagram.vsd by DerekFine

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									                                                                                                     Fresh Air                                                     Constant
                                                                                                       Bleed                                                       Discharge
                                                                                                                                                                    Velocity
                                                                                                     Controls
                                                                                                    AFA1000/E/Bld
                                                                                                                                                       Fresh Air
                                                                                                                                                         Bleed
  Web site : tel-uk.com

                                                                                                               Extract Duct
                                                                                                               Pressure                                              Constant
                                                                                                                                                                      Speed
                                                                                                                                                                       Fan

                           Inverter   0-10V DC
                            Drive     Control signal to vary AHU                                                                         Hepa Filter
                                      motor speed to maintain
                                      constant positive pressure in
                  AHU 3               Main Supply Duct




                                               Pressure
                                               Controls
                                            AFA1000/E/Bld/ P




                                                                           0-10V DC
                                                                           Control signal for Air
                                                                           Supply damper to
                                                                           maintain constant
                                                                           negative pressure in
                                                                           Lab


                                                                                                                                                                                 FC VAV
                                                                                                                                                                                Controllers
                                                                                                                                                                                 AFA1000/E


                                                                                                                                   Water Wash




                                                                                                                     Room
                                                                                                                    Controller
                                                                                                                    AFA1000/E/Rm

            CAV Air Supply to
            other Laboratories
                                                                       Lab
                                                                       Differential
                                                                                                                                            Combined Lab
                                                                       Pressure                                                           ( Rooms 7 and 8 )



                                                                                        Sample VAV Lab 2
                                                                      Combined VAV controls with Fume Scrubber and Hepa filter
                                                                                          compensation
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