Federal Signal Corporation ez1 echo Installation Instructions Manual - page 7
3. Disconnectthe10-wayIDCconnectorfromthekeypad.Removethep-
clipthatretainsthekeypadwireharness.
4. RemovethefourM3fixingscrewsandremovetheencapsulationcham-
bercovertogainaccesstothefieldwiringterminalblock.
5. Disconnectandlabelallfieldwiringfromthetwelve-poleterminal.If
small jumpers are fitted, remove and re-use these in the new assembly.
6. RemovelocknutfromM20adapterinsidethepottedPCBenclosure.
7. RemovethesixM4fixingscrewsthatretainthepottedPCBassemblyto
the molded housing.
8. RemovethepottedPCBassemblyandreplacewithnewpart.
9. Install new part by reversing the above procedure. Be sure to observe
polarity of power/data line when reconnecting field wiring.
10. Testunitforproperoperationafterreplacementiscomplete.
F. ReplacementParts.
Description
PartNo.
Headset
K137149-01
StubbyMicrophone
K137164
GooseneckMicrophone,150mm
K137165
GooseneckMicrophone,330mm
K137165-01
PottedRelayAssembly
K8601241
PottedPCBAssembly
K8601274
Handset,1mstainlesssteelcord
K8601248
Handset,3mstainlesssteelcord
K8601248-01
Handset,1.8mcurlycord
K8601249
Handset,10mcurlycord
K8601249-01
KeypadAssy.
K8601267
KeypadAssy.,Microphone
K8601267-01
III. CERTIFICATION.
CertifiedtoEN55022:1998+A1:2000,EN555024:1998,EN61000-3-2:2000,EN61000-
3-3:1995,andEN60950:2000
EExmeibIICT6(Tamb-35°Cto+50°C)
TheATEXcertificate(BAS01ATEX2306X)andtheproductlabelcarrytheATEX
groupandcategorymarking:
II2G
Where: -
indicates compliance with directive 94/9/EC
hexagonsymbol,thespecificmarkingofexplosionprotection
II indicates suitability for use in surface industries
2
indicatessuitabilityforuseinaZone1area
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