Federal Signal Corporation EXI MIC1 Quick guide
MODEL EXI MIC1
INSTALLATION AND SERVICE INSTRUCTIONS
FOR FEDERAL MODEL EXI MIC1
INTRINSICALLY SAFE MICROPHONE
2562336B
REV. B 609
Printed in U.S.A.
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INSTALLATION AND SERVICE INSTRUCTIONS
FOR
EXI MIC1 INTRINSICALLY SAFE MICROPHONE
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 trained personnel who is thoroughly familiar with the country electric
codes and will follow these 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:
• Readandunderstandallinstructionsbeforeinstallingoroperatingthis
equipment.
• Disconnectdevicefromthepowersupplybeforeanyinstallationormain-
tenance is performed.
• Afterinstallation,testtheunittoensurethatitisoperatingproperly.
• Aftertestingiscomplete,provideacopyofthisinstructionsheettoall
operating personnel.
• Establishaproceduretoroutinelychecktheinstallationforintegrityand
proper operation.
• Theproductmarking,whichmaycontaincautionaryorotherinforma-
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.
Afterunpackingtheunit,examineitfordamagethatmayhaveoccurredin
transit. If the equipment has been damaged, do not attempt to install or operate it. File
aclaimimmediatelywiththecarrierstatingtheextentofthedamage.Carefullycheck
all envelopes, shipping labels, and tags before removing or destroying them.
B. Mounting and Wiring.
TheEXiMIC1isdesignedformountingonaatverticalorhorizontalsur-
face.
SurfaceMountingandWiringInstructions.
1. Unitistobemountedusinguserprovidedstainlesssteelscrewsthrough
the three mounting holes located on the microphone base.
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The appropriate grounding conductor must be grounded to earth to reduce the
riskofelectrostaticdischarge.
2. RefertotheTypicalWiringDiagram,SectionV,forwiringdetails.
II. MAINTENANCE.
SAFETY MESSAGE TO MAINTENANCE PERSONNEL
Listed below are some important safety instructions and precautions you should
follow:
• Readandunderstandallinstructionsbeforeoperatingthisunit.
• Anymaintenancetotheunitmustbeperformedbyproperlytrained
personnel.
• Anymaintenancetotheunitmustbedonewiththepowerturnedoff.
• Donotservicewhenahazardousatmosphereispresent.
• Neveraltertheunitinanymanner.Safetymaybeendangeredifaltera-
tions are made to the unit.
• Onlyfactoryprovidedservicepartsaretobeused.Onlythesecompo-
nentshavebeenveriedandcertiedforuseinhazardousareas.
• Norepairsormodicationsaretobemadetothemicrophoneelementas
this will invalidate the certification.
• Thenameplateormarkings,whichcontaincautionaryorotherinforma-
tion of importance to maintenance personnel, should not be obscured.
• Afterperforminganymaintenance,testtheunittoensurethatitisoper-
ating properly.
• Toreducetheriskofelectrostaticdischarge,wipeunitwithadampcloth
only.
A. Routine Checks.
Ensurethattheunitismaintainedinlinewiththeregulationsinforceand
at regular intervals, at least once per year.
1. Checkforexternaldamageandcorrosionandrepair/replaceasneces-
sary.
2. Checkforwaterordustingressandrepair/replaceasnecessary.
3. Checkallearthconnectionsandverifycontinuity.
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B. Replacement Parts.
Contactthefactoryforsparepartsavailabilityandpartnumbers.
III. CERTIFICATION.
Model: ExiMICIMicrophone
CertiedTo: EN60079-0:2006Electricalapparatusforexplosivegasatmospheres
-Part0:Generalrequirements.
EN60079-11:2007Explosiveatmospheres-Part11:Equipment
protection by intrinsic safety “i”.
CerticateNo: Baseefa07ATEX0105X
ATEXCoding: 1G
Protection: ExiaIICT6
Temperature: -35°Cto+50°C
Where:- indicatescompliancewithdirective94/9/EC
hexagonsymbol,thespecicmarkingofexplosionprotection
1 indicatessuitabilityforuseinaZone0area
G indicatessuitabilityforuseinthepresenceofgases
ia indicates intrinsically safe protection
IIC indicatesgasgroupAcetylene&Hydrogen
T6 indicatesamaximumsurfacetemperatureof85°C(185°F)
Input Parameters:
MaxVoltage(Ui)=12V
MaxCurrent(Ii)=26mA
MaxCapacitance(Ci)=0
MaxInductance(Li)=25.2mH
ConditionsofSafeUse:
Thisapparatusmustbeearthedtoreduceriskofelectrostaticcharging.
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IV. SERVICE.
The Federal Signal factory will service your equipment or provide technical as-
sistance with any problems that cannot be handled locally.
AnyunitsreturnedtoFederalSignalforservice,inspection,orrepairmustbe
accompaniedbyaReturnMaterialAuthorization.ThisR.M.A.canbeobtainedfroma
customer service representative at Federal Signal.
Atthistimeabriefexplanationoftheservicerequested,orthenatureofthemal-
function, should be provided.
Addressallcommunicationsandshipmentsto:
FEDERALSIGNALCORPORATION
Industrial Products
ServiceDepartment
2645FederalSignalDrive
UniversityPark,IL60466-3195
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Figure 1.
V. TYPICAL WIRING DIAGRAM.
Seegure1.
I.S.
PRE-AMP
FEDERAL SIGNAL
MICROPHONE
FOR P.A. SYSTEM
GLAND
OR PLUG
MTL 7760 AC OR
EQUIVALENT
BARRIER
P.A. AUDIO
INPUT
MULTIPAIR
CABLE
MTL 7760 AC OR
EQUIVALENT
BARRIER
TO PRE-AMP
IN SAFE AREA
Exd ENCLOSUREHAZARDOUS AREA
SLEEVED
BLUE
BLUE
1 PAIR
CABLE
4 2
3 1
HAZARDOUS AREA
I.S. CONTROL PANEL
SLEEVED
1
2
IP65 ENCLOSURE
1 PAIR
CABLE
SAFE AREA
Exd GLAND
3
4
1
2
Exd GLAND
FEDERAL SIGNAL
MICROPHONE FOR
P.A./INTERCOM SYSTEM
290A5751B
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