Page 45 - Fire Alarm-Submittal
P. 45

Assembly                                              High-humidity environments
               Sampling tube            Detector
                 socket                                          Use the SD-PH Protective Housing when installing SuperDuct
                                                                 detectors in high-humidity environments. The SD-PH is a weather-
                Exhaust tube
                  socket                                         ized housing that prevents condensation on the device by insulat-
                                                                 ing the detectors and providing circulated air from the monitored
                                                                 HVAC duct. The SD-PH also adds a layer of protection against
                                                                 physical damage to the unit.
           Exhaust tube

                       Thin
                      gasket
                                  Thick
                                  gasket
                                                Coupling
                                                                                                        Duct Detector
                                                                       SD-PH
                                        Sampling tube                Protective
                                        (ordered separately)          Housing

                                 Plug
           Mounting
                                                                      Rear View
                                         HVAC duct
           Airflow
                                                                     Hinged
                                            Detector                  Cover
                                                                                             Housing
                                                                                             air tube

                                                                                    Housing    Detector
                                                                                    air tube  conduit holes
                 Sampling
                  tube
                                                                 The SD-PH is easy to install and service. The hinged and transpar-
                                                                 ent cover provides ready access to the detector, while keeping its
                                                                 status indicators visible at all times.

                                #10 sheet metal screw (2X)       Note:  The SD-PH Protective Housing is weatherized against out-
                                                                       door air, but it is not intended for direct outdoor exposure.
           Wiring
                  Auxiliary
                  equipment

                                                                                      SIGA-LED [1]
                                                                              Alarm

                           [1] No more than one remote test station
                              or LED indicator can be connected to                       or
                              the detector at the same time. Wiring       1
                 17 16 15     is unsupervised. Maximum wire                   Alarm
                              resistance is 10 ohms per wire.             2
                                                                                        SD-TRK
                                                                                         or
                                                                               Test
                                                                                       SD-TRM [1]
                                                                          3
                                                                          4
                                                                                  Data Out ()

                                                                                  Data Out ()

                                                   DataIn( )

                                                   DataIn( )

                                                           14 13 12 11 10  9  8  7

                                          Power indicator
                                          Alarm indicator

           Page 3 of 4                                                                  DA T A SHEET  K85001-0584
                                                                                Not to be used for installation purposes.  Issue 1.1
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