Inhaltsverzeichnis - nVent Raychem NGC-20-C-E Installations-, Betriebs- Und Wartungsanleitung

NGC-20-C(L)-E
INSTALLATION, OPERATING AND MAINTENANCE
INSTRUCTIONS
TABLE OF CONTENTS
1. Introduction ............................................................................................................................................ 4
1.1 Certification ..............................................................................................................................................................................................4
1.2 Warranty ....................................................................................................................................................................................................4
1.3 Limitation of warranty ..............................................................................................................................................................................4
1.4 Exclusive remedies ..................................................................................................................................................................................4
1.5 Statement of compliance ........................................................................................................................................................................4
1.6 Declaration of conformity ........................................................................................................................................................................5
1.7 Area of use................................................................................................................................................................................................6
1.8 Safety instructions ...................................................................................................................................................................................6
1.9 Conformity with standards ......................................................................................................................................................................6
1.10 Technical data ..........................................................................................................................................................................................6
2. Installation ........................................................................................................................................... 11
2.1 Tools required .........................................................................................................................................................................................11
2.2 Mechanical installation ..........................................................................................................................................................................11
2.3 Temperature sensors .............................................................................................................................................................................11
2.3.1 Lead compensation of RTD connections. ................................................................................................................................11
2.3.2 Installation of temperature sensors ..........................................................................................................................................12
2.3.3 Remote temperatures via nVent RAYCHEM RMM ...................................................................................................................14
2.4 Electrical installation ..............................................................................................................................................................................14
2.5 Communication and networking ...........................................................................................................................................................15
2.6 Configuration ..........................................................................................................................................................................................15
3. Maintenance ......................................................................................................................................... 15
4. Safety instructions for nVent RAYCHEM NGC-20-CL-E .......................................................................... 15
4.1 Safety function of temperature limiter in NGC-20-CL-E .......................................................................................................................15
4.2 Area of use..............................................................................................................................................................................................15
4.3 Requirements to be met by the temperature limiter ............................................................................................................................16
4.3.1 Temperature limiter (schematic)...............................................................................................................................................16
4.3.2 Reset by hand only .....................................................................................................................................................................16
4.3.3 Reset by hand via tool or keyed lock .........................................................................................................................................16
4.3.4 Temperature setting secured and locked to prevent manipulation ........................................................................................17
4.4 Changing limiter set point ......................................................................................................................................................................17
4.4.1 Procedure to write new temperature set point to limiter .........................................................................................................17
4.5 Functional test ........................................................................................................................................................................................18
4.5.1 Functional test description ........................................................................................................................................................18
4.5.2 Functional test procedure ..........................................................................................................................................................18
4.5.3 Test in the event of a fault .........................................................................................................................................................18
4.6 Safety Integrity level ...............................................................................................................................................................................18
4.6.1 Safety integrity of the NGC-20 hardware ..................................................................................................................................19
4.6.2 PFDavg safety function ..............................................................................................................................................................19
4.6.3 SIL related to SFF and HFT ........................................................................................................................................................19
4.6.4 Safety related system characteristics ......................................................................................................................................20
4.6.5 Response in operation and fault conditions .............................................................................................................................20
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