nvent Raychem NGC-30-CR User manual

NGC-30-CR-CRM-CRMS-CTM-CVM
ControlandMonitoringModulesforUsewiththenVent
RAYCHEMNGC-30InstallationInstructions
DESCRIPTION
ThenVentRAYCHEMNGC-30-CRM/-CRMSandNGC-30-
CTMprovideground-faultandlinecurrentsensing,alarming,
switchingandRTDinputsforfiveheat-tracingcircuitswhen
usedwiththeNGC-UIT.TheNGC-30-CRMisusedtocontrol
ElectromechanicalRelays(EMRs)andtheNGC-30-CRMSisused
tocontrolSolidStateRelays(SSRs).
TOOLS REQUIRED
• Wirecutters
• RJ11stripping/crimpingtool
• RJ11connectors
• Screwdriversmallblade-
standard
ADDITIONAL MATERIALS REQUIRED
• Powersupply-12Vdc@400mA-perNGC-30-CRM/-CRMSboard
• RJ114conductorcable
KIT CONTENTS
Item Qty Description
A 1 NGC-30-CRMorCRMS(cardrackmodulewithconnectors)
B 1 NGC-30-CTM(currenttransformermodule)
C 1 NGC-30-CR(cardrack)
D 1 NGC-30-CVM(voltagemonitoringmodule)-optional
APPROVALS/CERTIFICATIONS
Class I, Div. 2, Groups A,B,C,D
Ex nC IIC T5
Class I, Zone 2, AEx nC IIC T5
Hazardous Locations
C
A
B
D
General
SupplyVoltage 12Vdc±10%
Internalpowerconsumption <5WperNGC-30-CRM/-CRMS
Ambientoperatingtemperature –40ºFto140ºF(–40ºCto60ºC)
Ambientstoragetemperature –40ºFto167ºF(–40ºCto75ºC)
Environment PD2,CATIII
Max.altitude 2000m
Humidity 0–90%non-condensing
Electromagnetic Compatibility
Immunity HeavyIndustrial
Emission IndustrialEnvironment
Temperature Sensors
Type 100-ohmplatinumRTD,3-wire,
α=0.00385ohms/ohm/ºC
Canbeextendedwitha3-conductor
shieldedcableof20ohmmaximumper
conductor
Quantity Uptofivewireddirectlytoeach
 NGC-30-CRM/-CRMS
Current Sensors
Mounting DinRail–35mm
QuantityperNGC-30-CTM Fiveforground-currentmeasurement
 Fiveforlinecurrentmeasurement
Line Current Sensors
Maxcurrent 60A
Accuracy ±2%ofreading
Ground Fault Sensor
Range 10–200mA
Accuracy ±4%ofrangeat30Alinecurrent
Voltage Sensor
Range 80–290Vac50/60Hz
Accuracy ±1%ofspan
Outputs
CRMoutputrelays FormA3-Amp@277Vacmax50/60Hz
CRMSSSRoutputs 12Vdc@30mAmaxperoutput
AlarmRelay FormC3-Amp@277Vacmax50/60Hz
Communication to NGC-UIT
Type 2wireRS-485
Cable Oneshieldedtwistedpair
Length 4000ft.(1200M)maximum
Quantity Upto52*NGC-30-CRM/-CRMSmay
 beconnectedtooneNGC-UIT
Connection Terminals
Powersupply/PilotRelay/ 18–12AWG(0.8-3.3mm2)
RTD/CommPort(RS485)
*MayrequireanRS-485repeaterifcommunicationlengthisgreaterthan4000ft.

2|nVent.com
CLEANING INSTRUCTIONS
IfdustaccumulatesontheNGC-30-CRM/-CRMScircuitboard
usecompressedairtoremovethedust.Turnoffallpower
totheNGC-30panel.Carefullydisconnectallcablesfroma
singleNGC-30-CRM/-CRMScard,makingsuretolabelcables
sothattheycanbereconnectedafterboardcleaning.Wearan
anti-staticwriststrapconnectedtogroundinordertoavoid
componentdamage.RemovetheCRM/CRMScircuitcardfrom
thecardcageandplaceonacleanlint-freesurface.
Usedrycompressedairfromacanforcleaningcircuitboards.
(Avoidfactorycompressedairsinceitmaycontainenough
moistureoroiltocausepermanentdamage.)Useshortquick
blaststoremovedustbuild-upasnecessary.Aftercleaning,
replacetheCRM/CRMSinthesamecardcagepositionand
reconnectallcables.Removeonlyonecardatatimefor
cleaningtoavoidanyproblemsduringre-installation.
NGC-30-CR INSTALLATION INSTRUCTIONS
Mounting of Card Rack
Usethemountingtemplate(onpage7)tomounttherackona
panelbackplane.Therearefourholes(0.188india.)tosecureit
tothemountingsurfaceusing#8screws.
Oncethecardrackisinstalled,aearthbondingwire(green
18AWGmin.)terminatedwitha#10Ringterminalmustbe
connectedtothecardrackusingthegroundscrewprovided.
Note: Thecardrackmustbeinstalledonanon-combustible
surface.
10.97 in
(279 mm)
11.15 in
(283 mm)
7.20 in
(183 mm)
Grounding
screw
Note: screw is located
on the outside of the
enclosure
NGC-30-CRM/-CRMS INSTALLATION INSTRUCTIONS
874 5 61
1Alarm output
2Relay outputs (5x)
3LEDs (9x)
4Fuse
512 Vdc Inputs (2x)
2 3
bk
9
10
6End of Line (EOL) jumper
7RS-485 Communications
8Line & ground-fault sensor
inputs (5x)
9RTD Inputs
10 Address Switches
Power Relay 1 Relay 3 Tx
Alarm
Relay 2 Relay 4
Rx
Relay 5
LED functions
NGC-30-CRM/CRMS
TB 12
MSB LSB
TB 7 TB 6
TB 13 TB 14 TB 15 TB 16 TB 17
TB 1 TB 2 TB 3 TB 4 TB 5
TB 19
1 2 3
10.75 in
(273 mm)
7.00 in
(178 mm)
WARNING:
Thiscomponentisanelectricaldevicethat
mustbeinstalledcorrectlytoensureproper
operationandtopreventshockorfire.Read
theseimportantwarningsandcarefullyfollow
alloftheinstallationinstructions.
• Componentapprovalsandperformanceare
basedontheuseofnVent-specifiedparts
only.Donotusesubstituteparts.
• Keepcomponentsdrybeforeandduring
installation.
• Leavetheseinstructionswiththeenduser
forreferenceandfutureuse.
Fortechnicalsupport,callnVentat
(800)545-6258.

nVent.com|3
Power Supply
Thepowersupplyconnector(TB19)isa
dualtwopinconnector.Eitherconnector
allowsforpowerin(pin#1(+),pin#2(–)
andbussingofpowertootherNGC-30-CRM
modules).
Note:Powersupplymustbesizedcorrectly
basedonthenumberofNGC-30-CRM/-
CRMSmodules.
RS-485 Communications
ThenVentRAYCHEMRS-485connector
(TB6)isadualthreepinconnector.Either
connectorallowsforRS-485inputsignals
(pin#1(shield),pin#2(+),pin#3(–))and
bussingofRS485signaltootherNGC-30-
CRMmodules.
End of Line (EOL) Jumper
Ifthisdevice(NGC-30-CRM/-CRMS)isthe
lastdeviceintheRS-485network,theJ1
jumperneedstobemovedfromterminals2
&3toterminals1&2.
RTD Inputs – Ordinary Area
1234
per each NGC-30-CRM board
3wirenVentRAYCHEMRTDswithshield
maybeconnectedtoRTDCh1thruCh5
(TB1-TB5).Thetwocommonwires(usually
red,red)areconnectedtoterminals2&3,
thesource(usuallywhite)toterminal1and
thebraidtoterminal4(earthground).
Note: RTD'sarenotrequiredifmonitoring
current/ground-faultsonlyorifRTD'sare
connectedviaRMM2s.
RTD Inputs – Hazardous Area
11
22
33
44
Factory wiredFactory wired
Terminal
block
Terminal
block
Hazardous areaHazardous area
RTDRTD
NGC-30-CRM/CRMS BoardNGC-30-CRM/CRMS Board
ForallRTDterminationsina
hazardousarea,theRTDfield
wiresmustbeterminatedona
panel-mountedterminalblock.
Relay Output Connections to 111
Contactors or Solid State Devices (TB7)
Thisconnectorswitchesvoltagetothe
contactorcoilsorsolidstaterelays.Thepilot
relaywillswitchthesupplyvoltage(upto
277Vac)tothecontactorcoil(usinganNGC-
30-CRM)or12Vdctothesolidstatedevice
(usinganNGC-30-CRMS).
Refertosystemlayoutdiagramfordetail
wiring.
Common Alarm
Thecommonalarmterminalblock(TB12)
providesaformCdrycontact,ratedat277
Vacmax(3A).
WhentheRAYCHEMNGC-30systemis
poweredon,thecommonalarmrelaycoil
isenergizedandpin2isconnectedtopin1
(common).Thisisthe"NoAlarm"condition
fortheCRM/CRMSboard.
Ifthealarmoccurs,ortheCRM/CRMSboard
losespower,therelaycoilisde-energizedandpin1(common)
isdisconnectedfrompin2andconnectedtopin3toindicatean
alarmconditionexits.
Address Switches (SW1 & SW2)
EachNGC-30-CRM/-CRMSmusthavea
uniquecommunicationaddressselected.
Thevalidaddressswitchrangewhenusing
theNGC-UITis1-99.SW1istheonesdigit
(0–9)andSW2isthetensdigit(0or9).
Note:WhenaddinganNGC-30-CRM/-
CRMStothesystem,youmustfirstcycle
powerontheCRM/CRMSboardandthen
performanetworkupdateattheNGC-UIT.
Optional Voltage Sensor Cable Preparation
Notes:
1. Cutoneendoffofaground-
fault/linecurrentcable.
2. Stripinsulationapprox.1
inchfromcutend.
3. Striptheredandblackwire
insulationapprox.0.20in.
4. Connectredandblackwire
tothetwopositionterminal
plug.Noneedtobe
concernedaboutpolarity.
5. Trimbrownandorangewiresfromcutend.
Optional Voltage Sensor
Theoptionalvoltagesensor
canmonitor80–290Vac.This
voltageconnectstooneofthe
fivelinecurrent/ground-fault
inputsontheNGC-30-CRM.
Note:Byusingtheoptional
voltagesensor,youlosethe
abilitytomonitortheground-
faultandcurrentforthatcircuit.
1 2 1 2
123123
Normal
position
End of Line
position
3
2
13
2
1
11
22
33
44
RTD1RTD1
ShieldShield
RTD connected directly to CRM boardRTD connected directly to CRM board
RTDRTD
11
22
33
44
RTD2RTD2
ShieldShield
RTDRTD
11
22
33
44
RTD3RTD3
ShieldShield
RTDRTD
11
22
33
44
RTD4RTD4
ShieldShield
RTDRTD
11
22
33
44
RTD5RTD5
ShieldShield
Chassis GroundChassis Ground
CRM
PCB
CRM
PCB
RTDRTD
12-RLY4
6-RLY5
10-RLY3
8-RLY2
123456
7 8 9 10 11 12
3-RLY1
1-COM
321
Open Closed COM
LSBMSB
SW1SW2
3
8
Relay “No Alarm”
Condition
1 in
0.2 in
Red and
black wires
Brown and
orange wires

4|nVent.com
NGC-30-CTM INSTALLATION INSTRUCTIONS
11
Line & ground-fault sensor outputs (5x)
12
Line current sensor (5x)
13
Ground-fault current sensor (5x)
NGC-30-CTM
3.5 in
(89.9 mm)
DIN rail
mounting foot
(X2)
DIN rail
top of
DIN rail
Typical GF / LC wiring through transformers
Phase / Neu.
Phase
Ground-fault transformer
Line current transformer
9.75 in
(248 mm)
Ground-Fault/Line Current Cable Assembly
Note: Acompletecablemaybeorderedaspartnumber:
20578010-XXXwhereXXX=Length(L)ininches.
EachNGC-30-CTMmountsonaDIN35rail.Itshouldbelocated
betweenthecircuitbreakerorterminalblockandcontactoror
SSRinthepanel.
Ground-Fault/Line Current Sensors
ConnectionsfromNGC-30-CRM/-CRMSto
NGC-30-CTM.
UsinganRJ11connector/cableassembly,
connectoneendtoanRJ11input(TB13-
TB17)andtheotherendtotheappropriate
NGC-30-CTMRJ11connector.
(L) Typical connection
(1 of 5)
8

nVent.com|5
Distribution panel board
with standard circuit breakers
N
Ø
1Ø 3
Ø
2
AC voltage up to 277 Vac
To heater's
power junction box
Alarm relay output
120Vac
contctor power
L
N
NGC-30-CRM
NGC-30-CTM
System Layout NGC-30-CRM
12 Vdc
Power
Supply
RTDs
120 Vac in
NGC-UIT
Touch
Screen
5
4
3
2
6
12
10
8
3
C
C
C
C
C
C
C
C
C
C
1
Relay drivers
120Vac
L N
Pilot relays
located on
circuit board
Contactor
coils
To contactor coils
(see detail)
1

6|nVent.com
Distribution panel board
with standard circuit breakers
ØØ N
Ø
1 32
Note: 12 Vdc power provided
by NGC-30-CRMS board
12 Vdc
Power
Supply
NGC-30-CRMS
NGC-30-CTM
System Layout NGC-30-CRMS
120 Vac in
SSR
SSR
SSR
SSR
SSR
SSR
SSR
SSR
SSR
SSR
SSR
AC voltage up to 277 Vac
Alarm relay output
Internal 12 Vdc
SSR power
6
5
12
10
8
3
1
4
3
2
1
Output driver
Internal
12 Vdc
+–
SSR
To SSR DC input
(see detail)
To heater’s
power junction box
(typical 5)
NGC-UIT
Touch
Screen
RTDs

7.00 in
9.75 in
0.625 in
2.4 in
ø0.188 in
(x4)
Top of Card Rack
NGC-30-CR Wall mounted hole template
(Note:
Ensure the printed template has scaled correctly.

©2018 nVent. All nVent marks and logos are owned or licensed by nVent Services GmbH or its aliates. All other trademarks are the property of their respective owners.
nVent reserves the right to change specications without notice.
Raychem-IM-H57723-NG30CR-EN-1805
nVent.com
North America
Tel +1.800.545.6258
Fax +1.800.527.5703
[email protected]
Europe, Middle East, Africa
Tel +32.16.213.511
Fax +32.16.213.604
[email protected]
Asia Pacific
Tel +86.21.2412.1688
Fax +86.21.5426.3167
[email protected]
Latin America
Tel +1.713.868.4800
Fax +1.713.868.2333
[email protected]
General Installation Instructions
1. TheRAYCHEMNGC-30componentsmustbeinstalled:
• Incompliancewithalllocalelectricalandsafetycodes
• Inanenclosuresuitablefortheapplicationenvironment.
Whenusedinhazardous(ClassI,Div.2orZone2)
locations,aminimumIP54enclosureisrequired.
2. TheRAYCHEMNGC-30componentsmustbeprotectedby
externalovercurrentanddisconnectdevices.Thismaybea
circuitbreakeroracombinationofdisconnectswitchand
fuses.
Thedisconnectdevice:
• Mustdisconnectallungrounded,current-carrying
conductors
• Shouldbelocatedincloseproximitytotheequipment
• BewithineasyreachoftheOperator
• Bemarkedasthedisconnectingdevicefortheequipment
3. Supplywiringinsulationmustberatedforthehighestvoltage
andtemperaturetobeencounteredintheapplication.
Conductorsmustbesizedfortheapplicationandbe
protectedbyanexternalovercurrentdevice.
4. Somewiringconfigurationswillusemorethanonepower
sourceandallmustbede-energizedpriortoperformingany
maintenanceonacontrollercircuit.
5. Protectionprovidedbythisequipmentmaybeimpairedifthe
deviceisusedoutsideofitsratingsorforapplicationsother
thanisintended.
6. Alwaysbesurethattheintendedlocationisclassifiedasan
areaforwhichtheproductisapproved.
7. TheRAYCHEMNGC-30componentshavenouserserviceable
parts.ContactyournVentnVentRepresentativeforservice
andaReturnAuthorizationifrequired.
Conducted and Radiated Emissions - Statement Of Compliance
Thisequipmenthasbeentestedandfoundtocomplywiththelimits
foraClassAdigitaldevice,pursuanttoPart15oftheFCCRules.
Theselimitsaredesignedtoprovidereasonableprotectionagainst
harmfulinterferenceinaresidentialinstallation.Thisequipment
generates,usesandcanradiateradiofrequencyenergyand,if
notinstalledandusedinaccordancewiththeinstructions,may
causeharmfulinterferencetoradiocommunications.However,
thereisnoguaranteethatinterferencewillnotoccurinaparticular
installation.Ifthisequipmentdoescauseharmfulinterferenceto
radioortelevisionreception,whichcanbedeterminedbyturningthe
equipmentoffandon,theuserisencouragedtotrytocorrectthe
interferencebyoneormoreofthefollowingmeasures:
–Reorientorrelocatethereceivingantenna.
–Increasetheseparationbetweentheequipmentandreceiver.
–Connecttheequipmentintoanoutletonacircuitdifferent
fromthattowhichthereceiverisconnected.
–Consultthedealeroranexperiencedradio/TVtechnicianforhelp.
ThisClassAdigitalapparatuscomplieswithCanadianICES-003.
CetappareilnumériquedelaClasseAconformeàlanormeNMB-003
duCanada.
NGC-30 Installation Test Procedures
Onceassembledintoapanel,theRAYCHEMNGC-30components
mustbetestedasasystemtoensurethatthegroundfault
detectioncircuitryisfunctional.Thefollowingtestsmustbe
conductedbyqualifiedpersonnelfamiliarwiththeequipmentand
itsoperation,testprocedures,andelectricalcoderequirements.
Makeasmanycopiesofthischecklistasrequiredtodocument
successfultestsforeachcircuitinthepanel.
Abbreviations:GF=GroundFaultCT=CurrentTransformer
NGC-30-CRM/-CRMS BOARD:
Tested By: Date:
Circuit #1 Circuit #2 Circuit #3 Circuit #4 Circuit #5
InspectthewiringtoensurethatallloadconductorspassthroughtheGFCT.
Verifythatnoground(PE)conductorspassthroughtheGFCT.
EnsurethatconductorsontheloadsideoftheGFCTarenotgrounded.
SimulateaGFontheloadsideoftheGFCTlargeenoughtocausetheNGC-30-
CRMorNGC-30-CRMStotripitsoutputoff.Thisshouldoccurwithinapprox.
1secondofapplyingthetestGFcurrent.
CompletedformsshouldberetainedwiththepanelandavailableforinspectionbythelocalElectricalInspectionAuthority.