Atkinson Dynamics IntercomModel AD-28X-MVInstallation and Service Instructions2645 Federal Signal DriveUniversity Park, IL 60484-3167(888) 751-150025

-8-3EnglishA.Dimple C.VolumecontrolB.Listen/talktoggleswitch D.Callpushbutton4EnglishA.Terminalblockpinout G.Ground NOTE:TerminalBl

-9-5EnglishA. 1/2-14pipethread2placesB. Audio(Class2)C. ACinput(Class1)orDCInput/Output(Class2) Positive supply conductor must be fu

EnglishA.TerminalblockpinoutB.DrycontactC. For callD.Audio(-)E.Audio(+)F. Remote controlG. GroundH.24VDCin/out6I. NeutralJ.HotK.Earthgro

-11-7Reminders:• Beforeinstallingremoteintercoms,precautionsshouldbetakentopreventfeedbackbetweentwoormoreremotesincloseproximitya

-12-8Reminders:• Beforeinstallingremoteintercoms,precautionsshouldbetakentopreventfeedbackbetweentwoormoreremotesincloseproximitya

-13-9Reminders:• Beforeinstallingremoteintercoms,precautionsshouldbetakentopreventfeedbackbetweentwoormoreremotesincloseproximitya

-14-10Reminders:• Beforeinstallingremoteintercoms,precautionsshouldbetakentopreventfeedbackbetweentwoormoreremotesincloseproximity

-15-Operating Principle:• Whenonetalks,allintercomswillhear.• Totalktootherstations,pressthetalk/listenswitchand speakintothespea

-16-12Reminders:• Beforeinstallingremoteintercoms,precautionsshouldbetakentopreventfeedbackbetweentwoormoreremotesincloseproxim‑ity

-17-13POWER REMOTE A REMOTES B & C REMOTE D12VDC AD-26T AD-26 120V50/60Hz AD-27T AD-27 AD-28X-MV240V50/60Hz AD-57T AD-57 AD-28X-MV2

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INSTALLATION AND SERVICE INSTRUCTIONS FOR MODEL AD-28X-MV SAFETY MESSAGE TO INSTALLERS, USERS AND MAINTENANCE PERSONNELIt is important to follow all i

To configure an intercom in the Slave mode, perform the following steps:Disconnectpowertotheintercombeforeanyinstallation,maintenance,orconfig

24 Vdc:Whenconnectingtheintercomto24Vdc,eitherthepositive(+)supplyconductormustbefusedatthesourcewitha1/2Afuseorapower-limit

AgencyListingsAD-28X-MV UL(UJPX),(UJPX7),(UXPL,Marine)- For indoor or outdoor use in Class I, Groups  A,B,CandD,Division2;ClassI

Theintercomhousinghastwo1/2”-14IPSopeningsinthebottom.Wheninstallingtheconduitto these openings, seal the threads with pipe compound or

Addressallcommunicationsandshipmentsto: ATKINSON DYNAMICS ServiceDepartment 2645FederalSignalDrive UniversityPark,IL60484-31672. Rep

EnglishA.Pushuptolisten21EnglishA.Pushdowntotalk-7-290A4725-01AT KINSON DYNAMICSUNIVERSITY PARK, IL USAA FEDERAL SIGNAL COMPANYA290A4725-02ATK