Federal Signal Corporation ez1 echo User manual

INSTALLATION AND SERVICE INSTRUCTIONS
FOR
MODEL EZ1 ECHO INTERCOMS
2561956B
REV B 812
Printed in U.S.A.

blank page

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
Electric Codes and will follow the guidelines as well as local codes.
The selection of mounting location for the device, its controls and the routing of
the wiring is to be accomplished under the direction of the facilities engineer and the
safety engineer. In addition, listed below are some other important safety instructions
and precautions you should follow:
• Readandunderstandallinstructionsbeforeinstallingoroperatingthis
equipment.
• Disconnectintercomfromthepowersupplybeforeanyinstallationor
maintenance is performed.
• PowerisonlytobeprovidedfromtheCentralControl.Thisintercomis
not for stand-alone use.
• Afterinstallation,testtheintercomsystemtoensurethatitisoperating
properly.
• 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.
• Theproductnameplate,whichmaycontaincautionaryorotherinforma-
tion of importance to maintenance personnel, should not be obscured in
any way.
Failure to follow all safety precautions and instructions may result in property
damage, serious injury, or death.
I. INSTALLATION.
 A. Unpacking.
  Afterunpackingtheunit,examineitfordamagethatmayhaveoccurredin
transit. If the equipment has been damaged, do not attempt to install or operate it.
Fileaclaimimmediatelywiththecarrierstatingtheextentofthedamage.Carefully
checkallenvelopes,shippinglabels,andtagsbeforeremovingordestroyingthem.
B. General.
The equipment comprises of a polymeric enclosure containing a potted
printed circuit board assembly providing the communications and safety functions.
The design incorporates intrinsically safe barriers to the handsets and other ancillary
devices.Therelayoutputmoduleisavailableasanoptionalextra.Therelayoper-
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ateswhentheintercomisinringmode.AsingleN.O.contactisprovided,ratedat250
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 Control. The data/power
issuppliedfromtheCentralControllinecards.Pleaserefertotheinstructionspro-
vided with the Central Control for full operational details of the Echo system.
C. Surface Mounting and Wiring.
  TheEZ1ECHOintercomsaredesignedformountingonaathorizontalor
vertical surface.
  1. LoosenthefourM6xingscrewstoaccessthemountingholes.The
cover opens right to left.
  2. MounttheunitthroughthefourcornerM6xingholeslocatedonthe
lower moulding. Mounting hardware is to be user supplied.
  3. RemovethefourM3xingscrewsandremovetheencapsulationcham-
bercovertogainaccesstotheeldwiringterminalblock.
  4. ThelowermouldingissuppliedwiththreeM20cableentriessuitablefor
glandsapprovedExdorExeforconnectionofthefollowingcables:
   • Data/Power(fromCentralControl)
   • ExternalLoudspeaker
   • RelaySwitchedOutput-N.O.contact
  5. Atwelve-polescrewterminalsocketblockisprovidedforeldwiring.
Theseterminalsareratedforthefollowingwireranges:22-12AWG(.5-4mm2).
6. Terminate wires as follows:
Terminals1&2-ConnectwirepairforswitchedN.O.relaycontact
(250VAC,3Amax.)
Terminals3&4-Usedforinternalwiringofrelaycoil
Terminals5&6-LinkforHandsetOperation/Removelinkforhands
free operation
Terminals7&8-Linkforsensitivity/Linkincreasesgainonmicro-
phone
Terminals9&10-Connectwirepairfromexternalloudspeaker
Terminal11-Power/Dataline24V-fromcentralcontrol
Terminal12-Power/Dataline24V+fromcentralcontrol
Earth Stud - M6 stud for termination of earth wires
  7. RetencapsulationchambercoverwithM3screws.
  8. Retcoverensuringthatcablesarecorrectlyroutedtoavoiddamageto
conductors. Secure M6 screws to ensure weather-tightness.
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II. MAINTENANCE.
SAFETY MESSAGE TO MAINTENANCE PERSONNEL
Listed below are some important safety instructions and precautions you should
follow:
• Readandunderstandallinstructionsbeforeoperatingthissystem.
• Anymaintenancetotheintercomsystemmustbedonewiththepower
turnedoff.Powertorelaycontactmustalsobedisconnectedasthisis
externallysupplied.
• Anymaintenancetotheintercomsystemmustbeperformedbya
trained electrician in accordance with Country Electrical Guidelines and
local codes.
• Neveraltertheunitinanymanner.Safetymaybeendangeredifad-
ditional openings or other alterations are made to units.
• Onlyfactoryprovidedservicepartsaretobeused.Onlythesecompo-
nentshavebeenveriedandcertiedforuseinhazardousareas.
• Thenameplate,whichcontainscautionaryorotherinformationofimpor-
tance to maintenance personnel, should not be obscured.
• Afterperforminganymaintenance,testtheintercomsystemtoensure
that it is operating properly.
 A. KeypadReplacement.
  Thekeypadistobereplacedasanassemblyconsistingofthekeypadand
LED.Seethelistbelowforthereplacementpartnumber.
  1. LoosenthefourM6xingscrewsfromthecoverandopentheunitright
to left.
  2. Disconnectthe10-wayIDCconnectorfromthekeypad.
  3. RemovetheeightM4screwsfromtheclampingplateandremoveboth
items.
  4. Fitthenewkeypadassemblyintopositionandensurethatthefasciais
rmlyseatedtothesealinggasketinthemouldedcover.Tightentheclampingplate
with the eight M4 screws.
  5. Re-connectthe10-wayconnectorandre-installcover.
6. Test unit for proper operation after replacement is complete.
 B. StubbyMicrophoneReplacement.
  1. LoosenthefourM6xingscrewsfromthecoverandopentheunitright
to left.
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  2. Disconnectthe2-waymicrophonesocketblockfromtheaudiodistribu-
tion board.
  3. RemovethethreeM4nutsthatretainthemicrophonetothefascia.
4. Fit new microphone by reversing the above procedure. Ensure that the
sealinggasketisttedproperlybetweenthemicrophonebaseandthefascia.
  5. Re-connectthe2-waysocketblockandre-installcover.
6. Test unit for proper operation after replacement is complete.
 C. GooseneckMicrophoneReplacement.
  1. LoosenthefourM6xingscrewsfromthecoverandopentheunitright
to left.
  2. Disconnectandremovethe2-waymicrophonesocketblockfromthe
audio distribution board.
  3. Unscrewthegooseneckmicrophoneassemblyfromthefrontcoverand
withdraw the cable.
4. Fit new microphone by reversing the above procedure. Ensure that the
sealing washer is tted properly between the microphone base and the enclosure.
  5. Reinstallandconnectthe2-waysocketblockandre-installcover.
6. Test unit for proper operation after replacement is complete.
 D. HandsetReplacement.
  1. LoosenthefourM6xingscrewsfromthecoverandopentheunitright
to left.
  2. Disconnectandremovethe4-wayhandsetsocketblockfromtheaudio
distribution board.
  3. Unscrewthehandsetglandfromthefrontcoverandwithdrawthecable.
4. Fit the new handset by reversing the above procedure. Ensure that the
sealing washer is tted properly between the handset gland and the enclosure.
  5. Reinstallandconnectthe4-waysocketblockandre-installcover.
6. Test unit for proper operation after replacement is complete.
 E. PottedPCBAssemblyReplacement.
  1. LoosenthefourM6xingscrewsfromthecoverandopentheunitright
to left.
  2. Disconnectthe8-wayinputsocketblockfromtheaudiodistribution
board.
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  3. Disconnectthe10-wayIDCconnectorfromthekeypad.Removethep-
clipthatretainsthekeypadwireharness.
  4. RemovethefourM3xingscrewsandremovetheencapsulationcham-
bercovertogainaccesstotheeldwiringterminalblock.
  5. Disconnectandlabelalleldwiringfromthetwelve-poleterminal.If
small jumpers are tted, remove and re-use these in the new assembly.
  6. RemovelocknutfromM20adapterinsidethepottedPCBenclosure.
  7. RemovethesixM4xingscrewsthatretainthepottedPCBassemblyto
the molded housing.
  8. RemovethepottedPCBassemblyandreplacewithnewpart.
9. Install new part by reversing the above procedure. Be sure to observe
polarity of power/data line when reconnecting eld wiring.
  10. Testunitforproperoperationafterreplacementiscomplete.
 F. ReplacementParts.
Description   PartNo.
Headset    K137149-01
StubbyMicrophone K137164
GooseneckMicrophone,150mm K137165
GooseneckMicrophone,330mm K137165-01
PottedRelayAssembly K8601241
PottedPCBAssembly K8601274
Handset,1mstainlesssteelcord K8601248
Handset,3mstainlesssteelcord K8601248-01
Handset,1.8mcurlycord K8601249
Handset,10mcurlycord K8601249-01
KeypadAssy.   K8601267
KeypadAssy.,Microphone K8601267-01
III. CERTIFICATION.
CertiedtoEN55022:1998+A1:2000,EN555024:1998,EN61000-3-2:2000,EN61000-
3-3:1995,andEN60950:2000
EExmeibIICT6(Tamb-35°Cto+50°C)
TheATEXcerticate(BAS01ATEX2306X)andtheproductlabelcarrytheATEX
groupandcategorymarking:
 II2G
Where: - indicates compliance with directive 94/9/EC
 hexagonsymbol,thespecicmarkingofexplosionprotection
II indicates suitability for use in surface industries
  2 indicatessuitabilityforuseinaZone1area
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G indicates suitability for use in the presence of gases
Special conditions for safe use:
 1. Allterminals,usedandunusedshallbefullytighteneddown.
 2. Thepowersuppliedtothisunitfromthecentralcontrolmodulemustnot
exceed28Vdc,100mA.
Condições especiais para o Uso Seguro:
1. Todas as terminais, estejam as mesmas em uso ou não, devem estar
completamente parafusadas.
2. A fonte de alimentação conectada a esta unidade desde o módulo de
controle central não deverá exceder a 28 Vdc, 100 mA.
IV. SERVICE.
The Federal factory will service your equipment or provide technical assistance
with any problems that cannot be handled locally.
 AnyunitsreturnedtoFederalSignalforservice,inspection,orrepairmustbe
accompaniedbyaReturnMaterialAuthorization.ThisR.M.A.canbeobtainedfroma
localDistributororManufacturer’sRepresentative.
 Atthistimeabriefexplanationoftheservicerequested,orthenatureofthemal-
function, should be provided.
 Addressallcommunicationsandshipmentsto:
  FEDERALSIGNALCORPORATION
  ElectricalProductsDivision
  ServiceDepartment
  2645FederalSignalDrive
  UniversityPark,IL60484-3167
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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
POTTED
PCB METAL
ENCLOSURE
OUTER HOUSING
OPTIONS
INTERFACE
PCB
LED
I-S
SECTION

-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/HANDS FREE LINK FOR HANDSET
(KEYPAD or SWITCH)
DISTRIBUTION
EARTH WIRE - 1.5mm MIN SECTION
*
*
ENCAPSULATED RELAY MODULE RELAY MODULE
Y
W
BK
GY
BR
O
R
GN
-
-
-
-
-
-
-
-
YELLOW
WHITE
BLACK
GREY
BROWN
ORANGE
RED
GREEN
(STAINLESS STEEL)
1
R R
2
O
3
BR
4
GY
5
GY
6
BK
7
BK
8
W
9
W
10
Y
11
Y
12
GN
GN
- +