Table Des Matières - nVent RAYCHEM NGC-20-C-E Guide D'installation, D'utilisation Et De Maintenance

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
2.4 Electrical installation ......................................................................................................................................................................................14
2.5 Communication and networking .................................................................................................................................................................15
2.6 Configuration ..................................................................................................................................................................................................15
3. Maintenance ....................................................................................................................................................15
4. Safety instructions for 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
RAYCHEM-OM-INSTALL130-NGC20CLE-ML-2204
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