Manuale d’uso / di manutenzione del prodotto PM4 del fabbricante APC
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PM3 and PM4 Se ries Modular Surge Pr otection Device (SPD) User ’ s Manual Copyright © 2000 America n Powe r Conversion Corporation 132 Fai rgrounds Road P .
INTRODUCTION .................... ................. ................. ................. ................. ................. ................ ................. 1 Installation .............. ................. ................. ................. ........
Ta b l e s T able 1 - PM3 and PM4 Dimensions and W eights .............. ................. ................. ................. ........... 2 T able 2 - V oltage Rating and Service T y pe (by Model) ................... ................. ...............
INTRODUCTION Thank you for choosing the APC Sur geArrest PM3 or PM4 Series Sur ge Protection Device. The APC modular Sur ge Protection Device (SPD) is a high quality , high energy sur ge attenuation system that has been designed to protect sensitiv e equipment from damagi n g transient vol tag e surges.
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Servi ce Clearance In addition to national and local code r equirements, 32 inches of service clearance is needed at the front of the SPD. **Surg e Protection D evices are d esig ned for use o n the l.
Overcurr ent Prote ction The Surge Protection Device (SPD ) draws very little current under normal conditions and will only conduct for a brief duration upon e ncountering a tr ansient s ur ge voltage. APC SPD ’ s contain UL Listed internal fusi ng to protect against abnormal voltage con ditions.
Parallel Connection When making a parallel type of connection (Figure 1), the length of the wiring to the Sur ge Protection Device (SPD) must be kept as sh ort as possible to substantiall y enhance the performance. Long wire ru ns are to be avoided if the unit is to perform as intended.
3. Open the door on the u nit by loosening the two s crews that secure the door latches in place. Slide the top latch upward and rotate it so that it no longer secures th e door . Slide the bottom latch downwar d and rotate it so that it no longer secur es the door .
8. Use an AC vo ltmeter to check all voltages to ensur e that the proper un it type has b een installed for the s ervice rat- ing being protected. Page 7 Phase A Phase B Phase C Neutral Ground Not to exact sc ale.
Disconne ct Switch Optio n All APC modular series SPDs can be equipped with an optional internal disconnect switch (Figure 3). The disconnect switch provides a means to de-ener gize the entire suppress or , to facili tate servicing of unit ’ s components.
Operation and Features SPD ’ s do not require alot of operator interventio n a fter install ation. NOTE: The PM Series has a green LED for each phase which exting uishes when the mod ule is no longer provid ing protecti on (fau lt conditi on ).
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Dry Contacts Option The Dry Contacts option utilize a DB-9 connector . This feature provides two sets of b oth normally open (NO) and normally closed (NC ) contacts through th e DB-9 connector . These relay contacts can be used for remote indi cation of the SPD ’ s operating status by changing state when there is an alarm condition .
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Display Boa rd Removal & Replac ement Instruction s 7 RUHP R YHWK H'LVSODERDUGUHIHUWR)LJXUHDQGSUR FHHGDVIROORZ V 'LVFRQQHFWSRZHU.
Diagnostic Board Removal and Replacement Instructions T o remove and rep lace the Diagnostic Board, refer to Figure 7 and pro ceed as follows: 1. Disconn ect power to t he SPD.
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Rep l acem ent Pa rt s Lis ting APC offers the i tems listed in T able 4 as field r eplaceable i tems. 3DJ H 7 DEOH5HSODFHPHQW3 DUWV/LVW $3& 0RGHO 1XPEHU 9 ROWDJH.
Limited W arranty APC warrants it ’ s AC panel pro tection products against defects in workmanship and materials for 5 years from the date of original purchase. The panel p rotection device must be in stalled by a qualified and licensed electrician in order t o qualify for warr anty proctecti on.
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 APC PM4 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 APC PM4 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso APC PM4 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul APC PM4 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il APC PM4, 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 APC PM4.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il APC PM4. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo APC PM4 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.
