Manuale d’uso / di manutenzione del prodotto LX-450 del fabbricante Hubbell
Vai alla pagina of 16
April, 2001 Hubbell Industrial Controls, Inc. A subsidiary of Hubbell Incorporated 4301 Cheyenne Drive Archdale, NC Telephone (336) 434-2800 FAX (336) 434-2803 Instruction Manual Transfer switches LX-440 Non-Automatic LX-450 Automatic 100, 200, 260, 400, 600, 800, 1000, 1250 Ampere 2, 3, 4 Pole Publication No.
Transfer Switch Page 2 of 16 Pages Table of Contents 1.0 Introduction ....................................................................................................................................3 2.0 Specifications and Certifications .........
Transfer Switch Page 3 of 16 Pages 1.0 Introduction Hubbell’s non-automatic, LX-440, and automatic, LX-450, transfer switches are available in 2, 3, and 4 pole models with ampere ratings of 100 to 1250 A. The transfer switches are available as open type or in an individual cabinet.
Transfer Switch Page 4 of 16 Pages 2.0 Specifications and Certifications Specifications Switch Mechanism Solenoid Actuation Short Circuit Ratings of Transfer Switches 100 A 200 A 260, 400, 600 A 800, 1000, 1250 A RMS Symmetrical Am peres 42,000 50,000 When protected by 65,000 a circuit breaker.
Transfer Switch Page 5 of 16 Pages Receiving and Storage After receiving the transfer switch inspect the cabin et for any damage that m ay have occurred during shipping. If the transfer switch is not installed immediately, cover the cabinet and store in a dry area.
Transfer Switch Page 6 of 16 Pages The Hubbell Transfer Control Module, LX-301, controls transfer to the emergency source and retransfer to the normal source. The LX-440 non-automatic tran sfer switch does not come with a Control Module. A selector switch initiates transfer and retransfer.
Transfer Switch Page 7 of 16 Pages 5.0 Standard and Optional Features Standard Features The following standard features are provided with the LX-450 automatic transfer switch.
Transfer Switch Page 8 of 16 Pages Auxiliary Contacts Auxiliary contacts TSNa3, -a4 and TSEa3, -a4 are ava ilable for remote alarm s, pilot lights, or other applications. These contacts are pre-wired for cust omer connections to PTB1-7 through PTB1-12.
Transfer Switch Page 9 of 16 Pages Plant Exerciser (B1–B2) The Plant Exerciser option is a seven-day clock th at provides for automatic test operation of the generator set at pre-selected intervals. The clock is powered by a fused circuit from control transformer XFMR3.
Transfer Switch Page 10 of 16 Pages 6.0 Maintenance D ANGER: Do not touch the transfer switch until ALL pow er is disconnected. Shocks, burns, or death may result from high voltage.
Transfer Switch Page 11 of 16 Pages Auto Test The following procedure is an example for testing th e autom atic transfer switch. A procedure should be written by qualified personnel that is applicable to th e facility, the transfer switch options, and the power distribution system.
Transfer Switch Page 12 of 16 Pages Time Delay function Typical factory setting Adjustment Range NORMAL OVER-RIDE ON MONETARY OUTAGE 1 second, engine generator 3 seconds, utility 0.5 to 6 seconds RETRANSFER TO NORMAL 30 minutes 2 to 30 minutes ENGINE RUNNING UNLOADED 5 minutes 2 to 30 minutes EMERGENCY OVER-RIDE ON MOMENTARY OUTAGE 1 second 0.
Transfer Switch Page 13 of 16 Pages Components 1. Transfer Control Relay Controls whether the automatic transfer switch is in the normal or the em ergency position. De-energized - automatic transfer switch in Norm al position Energized - automatic transfer switch in Em ergency position 2.
Transfer Switch Page 14 of 16 Pages 8.0 Plant Exerciser T imer Set the time 1) Press the Res. (reset) button to clear the memory 2) Press and hold the (time/run mode) button while setting the tim .
Transfer Switch Page 15 of 16 Pages b) Press Prog. a second time to see the retransfer time. c) Press Prog. a third time to see the number of additional program times Fr18 3) To manually override the .
Transfer Switch Page 16 of 16 Pages 9.0 Spare Parts and Drawing References The following lists contain part numbers and drawi ng numbers for identification and for ordering. If materials are needed from Hubbell, contact the lo cal Hubbell representative to request the desired information or parts.
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 Hubbell LX-450 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 Hubbell LX-450 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Hubbell LX-450 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Hubbell LX-450 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Hubbell LX-450, 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 Hubbell LX-450.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Hubbell LX-450. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Hubbell LX-450 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.
