Manuale d’uso / di manutenzione del prodotto series dt del fabbricante Emerson
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Mobrey Vertical Controls Level Installation, opera tion & maintenanc e instructions IP152, Rev AD April 2012 www.emersonprocess.com Series B S eries X Series D For instructions s pecific to ATEX a.
2 Level Installation, opera tion & maintenanc e instructions IP152, Rev A D April 2012.
3 Level Installation, opera tion & maintenanc e instructions IP152, Rev AD April 2012 Mobrey vertical magnetic level controls Principle of Oper ation Switching is achieved with the Mobrey “three-magnet” system, giving snap-action “latch-on” switching.
4 Level Installation, opera tion & maintenanc e instructions IP152, Rev A D April 2012 Electrical characteristics 4 Contact Ty pe : D4, X4, P4, H4 2x independent SPST AA mak e on rise : BB mak e o.
5 Level Installation, opera tion & maintenanc e instructions IP152, Rev AD April 2012 P4, P8, H4, H8 Switch Mechanisms - Simple Apparatus These Switch Mechanisms in a standard switch housing are classified as “Simple Apparatus” when used in Intrinsically Safe circuits.
6 Level Installation, opera tion & maintenanc e instructions IP152, Rev A D April 2012 Series B & X Installation Instru ctions When installing, using or maintaining ex ternal chambers supplied compliant with the Pressure Equipment Directive, refer also to the Safet y Information (leaflet No.
7 Level Installation, opera tion & maintenanc e instructions IP152, Rev AD April 2012 Operating Level Data Models T y pe No. B 11F, B 12F, B 13F, B .
8 Level Installation, opera tion & maintenanc e instructions IP152, Rev A D April 2012 Series D Installation Instru ctions Installation shall be carried out b y suitabl y trained personnel in accorda nce with applicable codes of practice. 1. Remove all sealing tapes, tie strings and pro tective packings from the control prior to installation.
9 Level Installation, opera tion & maintenanc e instructions IP152, Rev AD April 2012 Switching Point Adjustment Each switch mechanism is mounte d on a bracket, which is secured on the pressure tube by a locking screw and lock nut. These can be loosened, allowing the bracket to be adjusted up or down as required.
10 Level Installation, opera tion & maintenanc e instructions IP152, Rev A D April 2012 Maintenance of the Mobrey vertical lev el controls Inspection and maintenance shal l be carried out by suitably trained pe rsonnel in accordance with applicable codes of practice.
11 Level Installation, opera tion & maintenanc e instructions IP152, Rev AD April 2012 5. Inspect the chamber or stilling tube and remove any de posits. 6. Check float, float rod, and magnet for excessive wear, clean and replace as necessary. 7. Fit replacement joint and reassemble, taking ca re not to bend the float rod.
12 Level Installation, opera tion & maintenanc e instructions IP152, Rev A D April 2012 When fitt ing a spare or re placement sw itch mecha nism IMPORT ANT NOTE If a spare switch mechanism is fitted at any time, it is impo rtant that the magnet system is left in the correct mode.
13 Level Installation, opera tion & maintenanc e instructions IP152, Rev AD April 2012 Bolting T orques Information in this section is to the best of our knowledge correct. Since conditions of use are beyond our control use rs must satisfy themselves that bolt/torques are suitable for the flange/process/conditions of the applications.
14 Level Installation, opera tion & maintenanc e instructions IP152, Rev A D April 2012 Bolts should be lubricated with suitable gre ase. Correct bolt t ightening sequ ence:- IM PORT ANT NOTE: She.
15 Level Installation, opera tion & maintenanc e instructions IP152, Rev AD April 2012.
Level Installation, opera tion & maintenanc e instructions IP152, Rev A D April 2012 The Emerson logo is a trade mark and service mark of Emerson Electric Co. Rosemount is a registered trademark of Rosemount Inc. Mobrey is a registered trademark of Rosemount Measurement Ltd.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Emerson series dt è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Emerson series dt - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Emerson series dt imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Emerson series dt ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Emerson series dt, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Emerson series dt.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Emerson series dt. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Emerson series dt insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.