Installation and service instructions for model ez1 echo intercoms 2561956b rev b 812 printed in u.S.A..
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Installation and service instructions for model ez1 echo intercoms safety message to installers, users and maintenance personnel it is important to follow all instructions shipped with this product. This device is to be installed by a trained electrician who is thoroughly familiar with the country e...
Ateswhentheintercomisinringmode.Asinglen.O.Contactisprovided,ratedat250 volts a.C. / 3 amps. This module is fully encapsulated and an internal fuse protects the contacts. In the event of a fuse failure, the module must be disconnected and replaced. This station must be powered from an echo central c...
Ii. Maintenance. Safety message to maintenance personnel listed below are some important safety instructions and precautions you should follow: • readandunderstandallinstructionsbeforeoperatingthissystem. • anymaintenancetotheintercomsystemmustbedonewiththepower turnedoff.Powertorelaycontactmustalso...
2. Disconnectthe2-waymicrophonesocketblockfromtheaudiodistribu- tion board. 3. Removethethreem4nutsthatretainthemicrophonetothefascia. 4. Fit new microphone by reversing the above procedure. Ensure that the sealinggasketisfittedproperlybetweenthemicrophonebaseandthefascia. 5. Re-connectthe2-waysocke...
3. Disconnectthe10-wayidcconnectorfromthekeypad.Removethep- clipthatretainsthekeypadwireharness. 4. Removethefourm3fixingscrewsandremovetheencapsulationcham- bercovertogainaccesstothefieldwiringterminalblock. 5. Disconnectandlabelallfieldwiringfromthetwelve-poleterminal.If small jumpers are fitted, ...
G indicates suitability for use in the presence of gases special conditions for safe use: 1. Allterminals,usedandunusedshallbefullytighteneddown. 2. Thepowersuppliedtothisunitfromthecentralcontrolmodulemustnot exceed28vdc,100ma. Condições especiais para o uso seguro: 1. Todas as terminais, estejam a...
-7- 1 central control module up to 48 echo stations eexe terminal block advizor pcb output module i.S. Safety interface pcb headset microphone handset keypad 290a4984b eexe / eexd approved loudspeaker eexe / eexd approved audible / visual device 240vac 3amp max. Safe area v.Max 28 vdc i.Max 100ma po...
-8- 2 290a4985b * * led connectors audio distribution interface pcb facia encapsulated module module housing earth * * 4-way to handset / headset 2-way to microphone. 2-way 10-way output contact external speaker telephone line terminal block options: sensitivity link for high sensitivity handset/han...
-9- 3 do not open when energised dial.1 volume talk t 0 speed dial.2 7 8 page cancel x priorty 9 volume 4 5 1 2 6 speed 3 e c h o keypad 290a4986b m6 fixing screws audio distribution pcb m20 threaded adapter field wiring terminal block m6 earth stud potted pcb assembly potted relay module.
Industrial systems 2645 federal signal drive • university park, il 60484-3167 tel: 708-534-4756 • fax: 708-534-4852 email: elp@federalsignal.Com • www.Federalsignal-indust.Com.
