Manuale d’uso / di manutenzione del prodotto ST4125G del fabbricante Multiquip
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OPERA TION MANUAL THIS MANU AL MUST A CCOMP ANY THE EQ UIPMENT A T ALL TIMES. To fi nd the latest revision of this publication, visit our website at: www .
P A GE 2 — ST4125G/ST6125G SUBMERSIBLE PUMP • OPERA TION MANU AL — REV . #0 (11/18/10) T ABLE OF CONTENTS ST4125G/ST6125G Submersible Pump T ab le Of Contents .................................................... 2 P ar ts Ordering Procedures ...
ST4125G/ST6125G SUBMERSIBLE PUMP• OPERA TION MANU AL — REV . #0 (11/18/10) — P A GE 3 NOTES.
P A GE 4 — ST4125G/ST6125G SUBMERSIBLE PUMP • OPERA TION MANU AL — REV . #0 (11/18/10) SAFETY INFORMA TION Do not operate or service the equipment before reading the entire manual. Saf ety precautions should be f ollow ed at all times when operating this equipment.
ST4125G/ST6125G SUBMERSIBLE PUMP• OPERA TION MANU AL — REV . #0 (11/18/10) — P A GE 5 SAFETY INFORMA TION GENERAL SAFETY CA UTION NEVER operate this equipment without proper protectiv e clot.
P A GE 6 — ST4125G/ST6125G SUBMERSIBLE PUMP • OPERA TION MANU AL — REV . #0 (11/18/10) SAFETY INFORMA TION PUMP SAFETY D ANGER NEVER operate the equipment in an e xplosive atmosphere or near combustib le materials. An e xplosion or fi re could result causing se vere bodily harm or e ven death.
ST4125G/ST6125G SUBMERSIBLE PUMP• OPERA TION MANU AL — REV . #0 (11/18/10) — P A GE 7 SAFETY INFORMA TION NO TICE AL W A YS make cer tain that the voltage supplied to the pump is correct. Alwa ys read the pump’ s nameplate to deter mine what the power requirements are .
P A GE 8 — ST4125G/ST6125G SUBMERSIBLE PUMP • OPERA TION MANU AL — REV . #0 (11/18/10) ST4125G/ST6125G SUBMERSIBLE PUMP — SPECIFICA TIONS T able 1. Specifi cations Model ST4125G ST6125G T ype Centrifugal Submersible Pump Centrifugal Submersible Pump Impeller Cast Ductile Iron Cast Ductile Iron Discharge Size 4.
ST4125G/ST6125G SUBMERSIBLE PUMP• OPERA TION MANU AL — REV . #0 (11/18/10) — P A GE 9 3.94 in. (100 mm) 5.90 in. (150 mm) 15.47 in. (393 mm) 6.97 in. (177 mm) 12.72 in. (323 mm) 16.89 in. (429 mm) 6.97 in. (177 mm) 12.72 in. (323 mm) 34.21 in. (869 mm) 28.
P A GE 10 — ST4125G/ST6125G SUBMERSIBLE PUMP • OPERA TION MANU AL — REV . #0 (11/18/10) ST4125G/ST6125G — GENERAL INFORMA TION The Multiquip Model ST4125G and ST6125G submersible pumps are designed to pump water . These pumps work best when f aced with high head applications where you need an appreciable fl ow .
ST4125G/ST6125G SUBMERSIBLE PUMP• OPERA TION MANU AL — REV . #0 (11/18/10) — P A GE 11 ST4125G/ST6125G — COMPONENTS Figure 2 shows the location of the basic components , f or the ST4125G and ST6125G submersible pumps . Listed below is a brief e xplanation of each component.
P A GE 12 — ST4125G/ST6125G SUBMERSIBLE PUMP • OPERA TION MANU AL — REV . #0 (11/18/10) FLOA T SWITCHES Mechanical Float Switch Mechanically activated fl oat switches off er a reliable low current control f or dew atering applications.
ST4125G/ST6125G SUBMERSIBLE PUMP• OPERA TION MANU AL — REV . #0 (11/18/10) — P A GE 13 Float Switches F or unattended operation of the submersib le pump two single fl oat switches (Model SW -1WOP A) will be required.
P A GE 14 — ST4125G/ST6125G SUBMERSIBLE PUMP • OPERA TION MANU AL — REV . #0 (11/18/10) FLOA T SWITCHES CB12/CB14 Control Bo xes F or remote pumping applications, both submersib le pumps, require a control bo x (Figure 7).
ST4125G/ST6125G SUBMERSIBLE PUMP• OPERA TION MANU AL — REV . #0 (11/18/10) — P A GE 15 CONTROL BOX INST ALLA TION Control Bo x Installation The f ollowing procedure outlines the steps f or connecting the pump to a control bo x. D ANGER The ST4125G and ST6125G submersible pumps are designed to work with a control bo x.
P A GE 16 — ST4125G/ST6125G SUBMERSIBLE PUMP • OPERA TION MANU AL — REV . #0 (11/18/10) CONTROL BOX INST ALLA TION Connecting SW -1WOP A Float Switches to Control Bo x 1. Remov e the fl oat switch input connector housing, then route the fl oat switch wires through the cable gland on the control bo x.
ST4125G/ST6125G SUBMERSIBLE PUMP• OPERA TION MANU AL — REV . #0 (11/18/10) — P A GE 17 230/460 V A C V oltage Selection The ST4125G/ST6125G submersible pumps are f actor y set at 230 V A C .
P A GE 18 — ST4125G/ST6125G SUBMERSIBLE PUMP • OPERA TION MANU AL — REV . #0 (11/18/10) CB12/CB14 CONTROL BOX POWER CONNECTIONS 3-Phase P ower Installation (Input to Control Bo x) 1. The 3-phase input power cord should ha v e f our wires. Each wire is color coded.
ST4125G/ST6125G SUBMERSIBLE PUMP• OPERA TION MANU AL — REV . #0 (11/18/10) — P A GE 19 CB12/CB14 CONTROL BOX WIRING LA YOUT 2. ST ART FLOA T SWITCH. CONNECT TO TERMINALS 1 AND 2 3. STOP FLOA T SWITCH. CONNECT TO TERMINALS 3 AND 4 MOUNT CONTROL BOX IN AN UP-LEFT VERTICAL POSITION AS SHOWN.
P A GE 20 — ST4125G/ST6125G SUBMERSIBLE PUMP • OPERA TION MANU AL — REV . #0 (11/18/10) Pump Placement 1. Attach a suitab le lifting chain to the e ye bolts (Figure 10) on the pump . Use a crane, or similar lifting de vice and lower the pump into place .
ST4125G/ST6125G SUBMERSIBLE PUMP• OPERA TION MANU AL — REV . #0 (11/18/10) — P A GE 21 OPERA TION 1 . When the electronic ov erload module detects an ov erload condition, the pump will shut down. Check the pump and correct the cause of ther ov erload.
P A GE 22 — ST4125G/ST6125G SUBMERSIBLE PUMP • OPERA TION MANU AL — REV . #0 (11/18/10) MAINTENANCE Lubrication T o check the lubrication oil le v el of the mechanical seal perf orm the following: Checking Lubrication Oil Le vel 1. La y the pump (Figure 17) on its side with the oil plug f acing upwards .
ST4125G/ST6125G SUBMERSIBLE PUMP• OPERA TION MANU AL — REV . #0 (11/18/10) — P A GE 23 MAINTENANCE Impeller Remov al Ref er to the the f ollowing procedure and Figure 19 f or the remov al of the impeller . 1. Remov e oil plug (item 193) and o-ring (item 194).
P A GE 24 — ST4125G/ST6125G SUBMERSIBLE PUMP • OPERA TION MANU AL — REV . #0 (11/18/10) MAINTENANCE Electrical Insulation T esting Why perf orm electrical insulation testing? Electrical insulation star ts to age as soon as it is made.
ST4125G/ST6125G SUBMERSIBLE PUMP• OPERA TION MANU AL — REV . #0 (11/18/10) — P A GE 25 TROUBLESHOOTING T able 8. Pump T roubleshooting SYMPT OM POSSIBLE PROBLEM SOLUTION Pump F ails T o Star t Incorrect voltage/amps? Check that the proper v oltage, 230 or 460 V A C , 60 Hz, 3-phase is being supplied to the pump .
P A GE 26 — ST4125G/ST6125G SUBMERSIBLE PUMP • OPERA TION MANU AL — REV . #0 (11/18/10) CB12/CB14 CONTROL BOX WIRING DIAGRAM L1 THREE PHASE WIRING CONNECTIONS EXTERNAL 3-PHASE (230 OR 460 VOL T).
ST4125G/ST6125G SUBMERSIBLE PUMP• OPERA TION MANU AL — REV . #0 (11/18/10) — P A GE 27 NOTES.
OPERA TION AND P AR TS MANUAL Y our Local Dealer is: HERE’S HOW TO GET HELP PLEASE HA VE THE MODEL AND SERIAL NUMBER ON-HAND WHEN CALLING © COPYRIGHT 2010, MUL TIQUIP INC. Multiquip Inc and the MQ logo are registered trademarks of Multiquip Inc. and ma y not be used, reproduced, or altered without w ritten permission.
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 Multiquip ST4125G 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 Multiquip ST4125G - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Multiquip ST4125G imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Multiquip ST4125G ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Multiquip ST4125G, 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 Multiquip ST4125G.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Multiquip ST4125G. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Multiquip ST4125G 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.
