Page 455 - Womens Pavilion
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TotalAlert Infinity™ NFPA Medical Gas Notification System




                 CAUTION:                                      2.3.4 Power Supply

                                                               A power supply assembly is provided with
            Do not connect TotalAlert Infinity™ master/        the alarm panel. The installer must use
            combination alarm to switch/relay contacts         18AWG copper supply wiring minimum
            connected to any alarm panels other than           with an insulation of not less than 1/32 inch
            those listed below:
                                                               (0.8mm) thick. Power supply shall be con-
            •  TotalAlert Infinity™                            nected to a building installed circuit breaker.
            •  TotalAlert2                                     Circuit breaker shall be a maximum of 15
            •  MEGA3                                           amps and marked as disconnecting means for
            •  MEGA2                                           the alarm panel. It is recommended that the
            •  MEGA                                            circuit breaker be in close proximity to the
           •  Relay outputs                                    alarm panel and properly selected according
           Two conductors are required for each signal         to local and national regulations.
           between relay output terminals and remote           Holes are provided in the top and bottom of
           device (such as a building automation sys-          the rough-in box for main power (Figure 22).
           tem). Refer to the wiring requirements of the       Wiring is to be installed under the provisions
           connecting device when selecting the ap-            of the National Electric Code, NFPA 70.
           propriate type of conductors to use (i.e. wire      If power is entering from the top, it must be
           gauge, twisted or not, shielded or not.)            routed under the cable raceway.

           Refer to NFPA Master/Combination Wiring             NO OTHER HOLES SHOULD BE PUNCHED
           Diagram (Section 3.1/3.3) for B4X, B50, B65         OR USED.
           signal boards.
                                                               Several additional holes or knockouts are pro-
           •  Digital display module “mirroring”               vided on the top panel and bottom for en-
           Two panels may be connected together so             trance of low voltage field wiring (Figure 22).
           digital display module pressure reading(s)
           of first panel will be duplicated at second                 Contractor to install
                                                                       UL rated strain relief or
           panel.                                                      conduit connector
           An eight conductor category 5 CROSS OVER
           cable is required for connecting alarm panels
           directly to each other. Otherwise, standard
           cabling can be used with a facility’s Ethernet
           hub or switch to set up a connection be-
           tween panels.                                          Cable Raceway
           •  Ethernet
                                                                   Power Supply
           For each alarm panel to be networked, an           Wire Entrance
           eight conductor category 5 network cable is        for power cable
           required between each alarm panel and a            (alternate)
           facility’s Ethernet hub or switch.








                                                                            Figure 22: Wire Routing
           4107 9016 58.02                                  2-4
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