2|nVent.com
CLEANING INSTRUCTIONS
IfdustaccumulatesontheNGC-30-CRM/-CRMScircuitboard
usecompressedairtoremovethedust.Turnoffallpower
totheNGC-30panel.Carefullydisconnectallcablesfroma
singleNGC-30-CRM/-CRMScard,makingsuretolabelcables
sothattheycanbereconnectedafterboardcleaning.Wearan
anti-staticwriststrapconnectedtogroundinordertoavoid
componentdamage.RemovetheCRM/CRMScircuitcardfrom
thecardcageandplaceonacleanlint-freesurface.
Usedrycompressedairfromacanforcleaningcircuitboards.
(Avoidfactorycompressedairsinceitmaycontainenough
moistureoroiltocausepermanentdamage.)Useshortquick
blaststoremovedustbuild-upasnecessary.Aftercleaning,
replacetheCRM/CRMSinthesamecardcagepositionand
reconnectallcables.Removeonlyonecardatatimefor
cleaningtoavoidanyproblemsduringre-installation.
NGC-30-CR INSTALLATION INSTRUCTIONS
Mounting of Card Rack
Usethemountingtemplate(onpage7)tomounttherackona
panelbackplane.Therearefourholes(0.188india.)tosecureit
tothemountingsurfaceusing#8screws.
Oncethecardrackisinstalled,aearthbondingwire(green
18AWGmin.)terminatedwitha#10Ringterminalmustbe
connectedtothecardrackusingthegroundscrewprovided.
Note:
Thecardrackmustbeinstalledonanon-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
8
7
4 5 6
1
1
Alarm output
2
Relay outputs (5x)
3
LEDs (9x)
4
Fuse
5
12 Vdc Inputs (2x)
2
3
bk
9
10
6
End of Line (EOL) jumper
7
RS-485 Communications
8
Line & ground-fault sensor
inputs (5x)
9
R
TD Inputs
10
Address Switches
Power
Rel
ay
1
Rel
ay
3
Tx
Alarm
Rel
ay
2
Rel
ay
4
Rx
Rel
ay
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:
Thiscomponentisanelectricaldevicethat
mustbeinstalledcorrectlytoensureproper
operationandtopreventshockorfire.Read
theseimportantwarningsandcarefullyfollow
alloftheinstallationinstructions.
• Componentapprovalsandperformanceare
basedontheuseofnVent-specifiedparts
only.Donotusesubstituteparts.
• Keepcomponentsdrybeforeandduring
installation.
• Leavetheseinstructionswiththeenduser
forreferenceandfutureuse.
Fortechnicalsupport,callnVentat
(800)545-6258.
