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Federal Signal Corporation Atkinson Dynamics AD-26, Installation And Maintenance Manual

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2561494
Rev. H2 620
Printed in U.S.A.
© 2020 Federal Signal Corporation

AD-26, AD-27, AD-56, and AD-57

Atkinson Dynamics Wall Mount Intercoms

Installation and Maintenance Manual

2645 Federal Signal Drive
University Park, IL 60484-3167
Customer S1-708-534-4756, [email protected]
Technical Support 1-800-755-7621+1-708-587-3587, [email protected]
www.fedsig.com

Summary of Contents for Atkinson Dynamics AD-26

Page 1: ...56 and AD 57 Atkinson Dynamics Wall Mount Intercoms Installation and Maintenance Manual 2645 Federal Signal Drive University Park IL 60484 3167 Customer Support 1 708 534 4756 iordersup fedsig com Technical Support 1 800 755 7621 1 708 587 3587 signalsupport fedsig com www fedsig com ...

Page 2: ... as wearing hearing protection After testing is complete provide a copy of this instruction sheet to all operating personnel Establish a procedure to routinely check the intercom installation for integrity and proper operation Any maintenance must be performed by a trained electrician in accordance with NEC guidelines and local codes Failure to follow all safety precautions and instructions may re...

Page 3: ...e line Do not depress the call switch while carrying on a conversation with someone on the system This will subject the listener to very loud sound levels The volume of the call signal is affected by the volume control on the receiving unit so if volume is turned all the way down at a receiving station the call signal will not be heard MICROPHONE The 7 Hand Held Noise Cancelling Microphones are re...

Page 4: ...dio lines The intercom must have Earth or Chassis Ground terminated to it to ensure surge protection The output amplifier of the Atkinson Dynamics intercom offers full short circuit protection and overheat protection on AC models only FOOT PEDAL READY Models with the 2 option are designed for hands free activation of the Talk Listen switch Figures 9 and 10 on pages 16 and 17 and 17 on page 23 show...

Page 5: ...neer NOTE Intercoms supplied with flexible cords for connection to field wiring are not intended for permanent mounting The intercom is intended to be mounted on any relatively flat and rigid surface by the two mounting ears on the exterior of the housing Figure 9 on page 15 is a dimensional outline drawing showing the proper mounting configuration The two mounting ears are 13 32 diameter holes sp...

Page 6: ...nications and shipments to ATKINSON DYNAMICS Service Department 2645 Federal Signal Drive University Park IL 60484 3167 2 Replacement Parts Replace fuse with GMC 1 2 only DO NOT substitute Description Part Number Cover plate gasket K8590013B Knob volume control K141A129A Microphone assembly K137144A PC Board 12V AD 26 K2001878B PC Board 12V AD 26 8 M44 K2001896B PC Board 240VAC K2001875 01 PC Boar...

Page 7: ...arantees their intercoms to be free of defects at the time of delivery If damage is found to be a factory defect Atkinson Dynamics will warrant all labor charges for repair for one full year and all replacement parts for two full years ...

Page 8: ...elds Ground one end of the shield to earth ground Type of power cable depends on intercom model 7 foot provided for audio and power Operating Principle When one talks all intercoms will hear To talk to other stations press the talk listen switch and speak into the speaker micro phone Release talk switch to listen NOTES 1 Speaker Microphone 2 Off On Speaker Volume Control 3 Talk Listen Switch 4 Cal...

Page 9: ...o talk switch Power Remote A Remote B 12 18VDC AD 26 7 AD 26A 7 120V 50 60 Hz AD 27 7 AD 27A 7 22 30VDC AD 56 7 AD 56A 7 240V 50 60 Hz AD 57 7 AD 57A 7 POWER CONNECTIONS BLK DC Power 12 24V models HOT 120 240V models WHT Common 12 24V models Neutral 120 240V models GRN Earth Ground 120 240V models only Reminders Before installing remote intercoms precautions should be taken to prevent feedback bet...

Page 10: ...to the intercom press the talk switch and speak into the speaker microphone Release to listen NOTES 1 Speaker Microphone 2 Off On Speaker volume control 3 Talk Listen Switch Power Remote A Remote B Not applicable AD 26 1 120V 50 60 Hz AD 27 1 240V 50 60 Hz AD 57 1 POWER CONNECTIONS BLK DC Power 12 24V models HOT 120 240V models WHT Common 12 24V models Neutral 120 240V models GRN Earth Ground 120 ...

Page 11: ...e element NOTES 1 Speaker Microphone 2 Off On Speaker volume control 3 Press to talk Switch 4 137144 hand held noise cancelling microphone 5 3 conductor 16 22 gauge cable Use shielded cable in electrically noisy areas Ground one end of the shield to earth ground Ground chassis of DC unit to ground Before installing remote intercoms precautions should be taken to prevent feedback between two or mor...

Page 12: ...elt switch to listen The selector switch must be in headset position NOTES 1 Speaker Microphone 2 Off On Speaker volume control 3 Talk Listen switch 4 Headset Speaker selector switch 5 Call push button switch 6 137145 Headset with noise cancelling microphone Before installing remote intercoms precautions should be taken to prevent feedback between two or more remotes in close proximity and acousti...

Page 13: ...d 120 240V models only NOTES 1 Speaker Microphone 2 Off On Speaker Volume Control 3 Talk Listen Switch 4 Remote Secondary Station Model AD SV 25 Operating Principle 1 Secondary station is both a speaker and a microphone 2 Primary is normally in Listen mode until the talk button is pressed to talk to remote 3 Volume controls are for received signal volume only They do not control transmitted signal...

Page 14: ... flange for flush mounting Operating Principle 1 Secondary station is both a speaker and a microphone 2 Primary is normally in Listen mode until the talk button is pressed to talk to remote 3 Outgoing and incoming volumes are controlled by separate controls on Primary POWER CONNECTIONS BLK DC Power 12 24 V models HOT 120 240 V models WHT Common 12 24V models Neutral 120 240V models GRN Earth Groun...

Page 15: ...mary talks Secondary hears Other Primary will hear 4 To talk into Primary press talk switch and speak into speaker microphone Release talk switch to listen 5 To talk into hand held microphone press talk switch on microphone and speak into microphone element NOTES 1 Speaker Microphone 2 Off On Speaker Volume Control 3 Press to Talk Switch 4 137144 Hand held noise cancelling microphone with push to ...

Page 16: ...o listen To use external talk switch close switch and speak into the speaker microphone NOTES 1 Speaker Microphone 2 Off On Speaker Volume Control 3 Talk Listen Switch 4 Customer Supplied External Normally Open Talk Listen Switch Momentary e g foot switch Power Remote A Remote B 12 18VDC AD 26 AD 26 2 120V 50 60Hz AD 27 AD 27 2 22 30VDC AD 56 AD 56 2 240V 50 60Hz AD 57 AD 57 2 POWER CONNECTIONS BL...

Page 17: ...imary hands free without having to press a talk switch When any Primary talks Secondary hears Other primary will hear To talk into Primary press talk switch and speak into speaker microphone Release talk switch to listen Primary A can talk by pressing either the talk switch or external switch customer supplied NOTES 1 Speaker Microphone 2 Off On Speaker Volume Control 3 Press To Talk Switch 4 Cust...

Page 18: ... LISTEN LISTEN COM BLK RED GRN WHT BLK RED RC RB RA GRN WHT 2 3 2 9 9 1 1 6 NOTES 1 Desk Set speaker microphone is mounted on handset 2 Desk Set speaker volume control 3 Handset earpiece volume control mounted on back of case 4 Speaker Microphone 5 Off On Speaker volume control 6 Talk Listen switch 7 Call Tone Switch 8 Primary switch box customer supplied 9 DPDT selector toggle switch customer sup...

Page 19: ... Primary is normally in Listen mode until the PTT press to talk switch is pressed to talk to Secondary 3 Outgoing and incoming volumes are controlled by separate controls on Secondary 4 Secondary talks to Primary hands free without having to press a talk switch POWER CONNECTIONS BLK DC Power 12 24 V Models WHT Common 12 24 V Models POWER SECONDARY 12 18VDC AD 26D 8 M44 GRN WHT RED BLK GRN 1 WHT 2 ...

Page 20: ...n Talk Switch 4 Call Switch 5 Customer Supplied Auxiliary Signaling Device e g strobe light Power Remote A Remote B 12 18VDC AD 26 3 AD 26 120V 50 60Hz AD 27 3 AD 27 22 30VDC AD 56 3 AD 56 240V 50 60Hz AD 57 3 AD 57 POWER CONNECTIONS BLK DC Power 12 24V models HOT 120 240V models WHT Common 12 24V models Neutral 120 240V models GRN Earth Ground 120 240V models only BLK AUDIO CABLE AUDIO CABLE TO O...

Page 21: ...e without pressing the talk switch Primary supplies power to remote unit NOTES 1 Speaker Microphone 2 Off On Speaker Volume Control 3 Press To Talk Switch 4 Primary Monitor Switch Power Primary Remote Not applicable AD 26 1 2 120V 50 60Hz AD 27C 1 M22 POWER CONNECTIONS BLK HOT 120 240V models WHT Neutral 120 240V models GRN Earth Ground 120 240V models GRN BLK WHT GRN BLK WHT AUDIO COMMON CONTROL ...

Page 22: ... at Secondary When Primary monitor switch is off Secondary must press talk switch to talk to Primary When Primary monitor switch is on Secondary can talk to Primary hands free without pressing the talk switch NOTES 1 Speaker Microphone 2 Off On Speaker Volume Control 3 Press To Talk Switch 4 Monitor On Off Switch Power Primary Secondary 120V 50 60Hz AD 27C M22 AD 27 2W3 POWER CONNECTIONS BLK HOT 1...

Page 23: ...ally listen monitor Secondary Secondary can talk to Primary hands free without having to press a talk switch When one station talks other stations will hear To talk to other stations Primary must press a talk switch on intercom or on belt switch Primary and Secondary can select to talk listen on either the speaker microphone or headset via selector switch NOTES 1 Speaker Microphone 2 Off On Speake...

Page 24: ... To talk into Primary press talk switch and speak into speaker microphone Release talk switch to listen Primary B can talk by pressing either the talk switch or external switch customer supplied NOTES 1 Speaker Microphone 2 Off On Speaker Volume Control 3 Press To Talk Switch 4 External Press To Talk Switch Momentary e g foot switch 5 4 conductor 16 22 gauge cable Use shielded cable in electricall...

Page 25: ...ll to Primary When initiating a call to Primary remote must specify its location for Primary to respond NOTES 1 Speaker Microphone 2 Off On Speaker Volume Control 3 Talk Listen Switch 4 Primary Selector Switch customer supplied 5 Double Pole OFF ON Toggle Selector Switch Power Primary Remotes 120 V 50 60 Hz AD 27C 1 AD 27D M4 POWER CONNECTIONS BLK HOT 120 240V models WHT Neutral 120 240V models GR...

Page 26: ... A N A 120V 50 60 Hz NEUTRAL EARTH GND AD 27C 1 4 DC POWER COMMON AUDIO CONTROL 120V 50 60 Hz NEUTRAL EARTH GND AD 27C 1 7 4 DC POWER COMMON AUDIO CONTROL 120V 50 60 Hz NEUTRAL EARTH GND AD 27C M34 CONTROL COMMON AUDIO N A 120V 50 60 Hz NEUTRAL EARTH GND AD 27D 1 DC POWER COMMON AUDIO CONTROL 120V 50 60 Hz NEUTRAL EARTH GND AD 27SA 25 AUDIO COMMON N A N A 120V 50 60 Hz NEUTRAL EARTH GND AD 56C M34...

Page 27: ...27 3 88 5 68 5 00 6 50 4 84 9 88 290A3697 41 2 HOLES Δ 20 ...

Page 28: ...620 Printed in U S A Atkinson Dynamics 2645 Federal Signal Drive University Park Illinois 60484 Customer Support 1 800 344 4634 1 708 534 4756 iordersup fedsig com Technical Support 1 800 755 7621 1 708 587 3587 signalsupport fedsig com www fedsig com ...

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