1 / 10 NGC-40-HTC/ NGC-40-HTC3 CONTROL AND MONITORING MODULES FOR USE WITH THE RAYCHEM NGC-40 SYSTEM INSTALLATION INSTRUCTIONS INDUSTRIAL HEAT TRACING SOLUTIONS EN-RaychemNGC40HTC-IM-H58087 12/14 HTC3 or HTC B A DESCRIPTION The NGC-40-HTC (for single-phase heaters) and NGC-40-HTC3 (for three-phase heaters) modules are used to control either a solid-state relay or contactor within the NGC-40 control and monitoring system. This module also has one alarm output and one digital input. The alarm output can be used to control an external annunciator. The digital input is programmable and may be used for various functions such as forcing outputs on and off. Other features of this module include ground-fault and line current sensing for both HTC and HTC3. The front panel of the HTC module has LED indicators for various status conditions. The front panel also provides a ground-fault and heater test button. TOOLS REQUIRED • Small flat-blade screwdriver ADDITIONAL MATERIALS REQUIRED • Power supply 24 Vdc @100 mA per NGC-40-HTC/HTC3 • Custom built CAN cables with RJ-45 connections • CAN Termination Resistor KIT CONTENTS Item Qty Description A 1 NGC-40-HTC module (single-phase heaters) or B 1 NGC-40-HTC3 module (three-phase heaters) This component is an electrical device that must be installed correctly to ensure proper operation and to prevent shock or fire. For technical support, call Pentair at (800) 545-6258. WARNING: APPROVALS Class I, Div. 2, Groups A,B,C,D T4 Class I, Zone 2, AEx nC IIC T4 IP20 Ex nL nC IIC T4 X –40˚C ≤ Ta ≤ +65˚C Conforms to: FM Class Number 3600 (11/98) FM Class Number 3611 (10/99) ANSI/UL STD. 60079-15-2009 UL STD. 61010-1 Certified to: CAN/CSA STD. C22.2 No. 213-M1987 (R2004) CAN/CSA STD. C22.2 No. 61010-1:2004 EN 61010-1 (2001) CAN/CSA STD. E60079-15:02 (R2006) Hazardous Locations (Russia, Kazakhstan, Belarus) For other countries contact your local Pentair representative.
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NGC-40-HTC/NGC-40-HTC3Control and monitoring modules for use with the rayChem ngC-40 system installation instruCtions
DESCRIpTIONThe NGC-40-HTC (for single-phase heaters) and NGC-40-HTC3 (for three-phase heaters) modules are used to control either a solid-state relay or contactor within the NGC-40 control and monitoring system. This module also has one alarm output and one digital input. The alarm output can be used to control an external annunciator. The digital input is programmable and may be used for various functions such as forcing outputs on and off. Other features of this module include ground-fault and line current sensing for both HTC and HTC3. The front panel of the HTC module has LED indicators for various status conditions. The front panel also provides a ground-fault and heater test button.
100Ω,Ni-Fe,2-wireCanbeextendedwitha2-wireshieldedcableof20Ωmaximum per conductor
Quantity One per NGC-40-HTC/HTC3 module
CURRENT SENSORS (internal to the module)Quantity per NGC-40-HTC/HTC3 1 for ground-fault measurementsQuantity per NGC-40-HTC 1 for single-phase line current measurements Quantity per NGC-40-HTC3 3 for three-phase line current measurementsMaximumLine-LineVoltage: 1000Vac
Off No powerGreen Normaloperation,nointernalfaultsYellow In Factory modeRed HTC/HTC3operatingstatusFlashR InternalFault:FlashR/G FactorystatusFlashR/Y Internalfaultdetected
13 - T.S. COM (Wht)14 - T.S. Sense (Red)15 - T.S. Source (Red)16 - Not used
13 - T.S. COM (Wht)14 - T.S. Sense (Red)15 - T.S. Source (Red)16 - Not used
HTC RTDWiring
HTC RTDWiring Earth grounding
bar located at theHTC modulebar located
1PH1PH
HTCForallRTDterminations,theRTDfieldwiresmustbeterminatedonapanel-mountedterminalblock.TheRTDcableshieldfromthefieldterminalblocktotheHTCmoduleshouldbe terminated at the earth ground bar located near the module.
Connections are the same for the HTC3.
RTD Input Connections – European Installation Technique
Terminals9and11switchvoltagetothecontactorcoils.The internal pilot relay will switch the supply voltage (up to 277V)tothecontactorcoil.Refertothediagramattheendofthisdocumentcalled“NGC-40CANbusConnectionsforUp to 10 Modules” for detail wiring.
Note: Exposure to some chemicals may degrade the sealing propertiesoftherelayoutput,manufacturedbyNAIS,PNJQ1P-12V.Periodicallyinspecttherelayoutputfordegradationof properties and replace if any degradation is found.
Connections are the same for the HTC3.
HTC Relay Output Connections to Contactors - Single-phase HTC3 Relay Output to Contactor - Three-phase
wARNING: Shock Hazard. Disconnect from live voltage prior to accessing terminals.
wARNING: Shock Hazard. Disconnect from live voltage prior to accessing terminals.
HTC Output Connections to SSR - Single-phase HTC3 Output Connections to SSR - Three-phase
wARNING: Shock Hazard. Disconnect from live voltage prior to accessing terminals.
wARNING: Shock Hazard. Disconnect from live voltage prior to accessing terminals.
5512
Vdc12
Vdc
++ ––
~~ ~~
66
To heat-tracingTo heat-tracing
N or L2N or L2
L1L1
L1L1
Nor L2Nor L2
SSRSSR
L1L1
Circuit breaker
N or L2
N or L2
HTCSingle-PhaseHTCSingle-Phase
1PH1PH
To heat-tracingTo heat-tracing
L1L1
NN
L3L3
L2L2
L1L1
L3L3
L2L2
HTC3Three-PhaseHTC3Three-Phase
L1L1
NN
L3L3
Circuit breakerCircuit breaker
L2L2
NNL1L1
L3L3
L2L2
55
++
––
66
SSRSSR
++
––~~~~
~~~~
~~~~
SSRSSR
++
––SSRSSR
3PH3PH
Note: Exposuretosomechemicalsmaydegradethesealingpropertiesofthealarmrelay,manufacturedbyNAIS,PNJQ1P-12V.Periodicallyinspectthealarmrelayfordegradationofproperties and replace if any degradation is found.
TheNO(normallyopen)contactisopeninnon-energizedcondition.Whenenergized,itclosesduringnormalconditionsandwillopenuponanalarmcondition or power failure.
TheNC(normallyclosed)contactisclosedinnon-energizedcondition.Whenenergized,itopensduringnormalconditionsandwillcloseuponanalarmcondition or power failure.
The NGC-40-HTC or NGC-40-HTC3 must be mounted in an enclosure to protect its electronic components. For indoor applications,useaminimumNEMA1enclosure(NEMA12recommended).Foroutdoorapplications,useaNEMA4orNEMA4Xenclosuredependingontherequirements.
Note: TheRaychemNGC-40-HTCorNGC-40-HTC3isde-signed for operation in ambient temperatures from –40°C to65°C(–40°Fto149°F).Iftheambienttemperatureisoutsidethisrange,aspaceheaterand/orcoolingfanwillbe required in the panel.
2. Determine locations for the NGC-40-HTC or NGC-40-HTC3 assembly in the electrical panel.
The NGC-40-HTC or NGC-40-HTC3 should be located in the rear of the panel. The NGC-40-HTC or NGC-40-HTC3 assembly is an electronic unit and must not be located where it will be exposed to strong magnetic fields or ex-cessive vibration.
*NorthAmericanpanelinstallationtechniques
PS1
PTM
1
CBM
I/O1
I/O2
I/O3
I/O4
I/O5
PS2
PTM
2
HTC
1
HTC
2
HTC
3
HTC
4
HTC
5
HTC
6
HTC
7
HTC
8
HTC
9
HTC
10
C1 C2 C3 C4 C5 C6 C7 C8 C9 C10
PS3
PTM
3
HTC
11
HTC
12
HTC
13
HTC
14
HTC
15
HTC
16
HTC
17
HTC
18
HTC
19
HTC
20
C11
C12
C113 C4 C5 C16
C17
C18
C19
C20
PS4
PTM
4
HTC
21
HTC
22
HTC
23
HTC
24
HTC
25
HTC
26
HTC
27
HTC
28
HTC
29
HTC
30
C21
C22
C23
C24
C25
TB
C26
C27
C28
C29
C30
PanelPaneldoor
Alarmlight
Digital Input Connections – North American and European Installation Techniques
provide Suitable panel Enclosure and Determine Locations for NGC-40-HTC or NGC-40-HTC3 Assembly in panel*
Digital Input Multi-purpose input for connection to external dry (voltage free) contact or DC voltage.
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