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Summary of Contents for MULTIQUIP ST41230
- Page 1 OPERATION MANUAL MODEL ST41230/ST41460 MODEL ST61230/ST61460 SUBMERSIBLE PUMPS Revision #4 (03/04/24) To find the latest revision of this publication or associated parts manual, visit our website at: www.multiquip.com THIS MANUAL MUST ACCOMPANY THE EQUIPMENT AT ALL TIMES.
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Page 2: Proposition 65 Warning
PROPOSITION 65 WARNING PAGE 2 — ST4/ST6 SERIES SUBMERSIBLE PUMPS • OPERATION MANUAL — REV. #4 (03/04/24) -
Page 3: Table Of Contents
TABLE OF CONTENTS ST41230/ST41460 ST61230/ST61460 Submersible Pumps Proposition 65 Warning ........... 2 Safety Information ..........4-7 Specifications ............8 Dimensions ............. 9 General Information ..........10 Components ............11 Float Switches ..........12-14 Overload Relay (CB12/CB14 Control Boxes) ..16 Overload Relay (CB12A/CB14A Control Boxes) .. 17 Control Box Installation ........ -
Page 4: Safety Information
SAFETY INFORMATION Potential hazards associated with the operation of this Do not operate or service the equipment before reading equipment will be referenced with hazard symbols which the entire manual. Safety precautions should be followed may appear throughout this manual in conjunction with at all times when operating this equipment. - Page 5 „ NEVER use accessories or attachments that are not „ Avoid wearing jewelry or loose fi tting clothes that may recommended by Multiquip for this equipment. Damage snag on the controls or moving parts as this can cause to the equipment and/or injury to user may result.
- Page 6 SAFETY INFORMATION „ ALWAYS keep the machine in proper running condition. PUMP SAFETY „ DO NOT attempt to thaw out a frozen pump by using DANGER a torch or other source of fl ame. Application of heat in „ NEVER operate the equipment in an this manner may heat the oil in the seal cavity above the explosive atmosphere or near combustible critical point, causing pump damage.
- Page 7 SAFETY INFORMATION CONTROL BOX SAFETY NOTICE DANGER „ ALWAYS make certain that the voltage supplied to the pump is correct. Always read the pump’s nameplate to „ ALWAYS have a qualifi ed electrician perform the determine what the power requirements are. control box installation.
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Page 8: Specifications
SPECIFICATIONS Table 1. Specifications ST41230 ST41460 ST61230 ST61460 Model Type Centrifugal Centrifugal Centrifugal Centrifugal Impeller Chrome Steel Chrome Steel Chrome Steel Chrome Steel Discharge Size in. (mm) 4.00 (101) 4.00 (101) 6.00 (152) 6.00 (152) Max Solids in. (mm) 0.60 in (15.2) -
Page 9: Dimensions
DIMENSIONS Figure 1. Pump Dimensions Table 2. Dimensions in. (mm) REF. DES. ST41230/ST4160 REF. DES. ST61230/ST6160 11 (279) 14 (356) 11 (279) 14 (356) 32.5 (826) 34.75 (883) 5.5 (140) 5.5 (140) 28.25 (718) 31.0 (787) ST4/ST6 SERIES SUBMERSIBLE PUMPS • OPERATION MANUAL — REV. #4 (03/04/24) — PAGE 9... -
Page 10: General Information
(debris) does not exceed 0.6-inches (15.2 mm). These pumps have a chrome steel body that is very durable and able to withstand rough handling. The ST41230/ ST41460 comes with a 4-inch NPT threads for standard hose connections, while the ST61230/ST61460 comes with a 6-inch NPT threads for standard hose connections. -
Page 11: Components
COMPONENTS ST41230 ST41460 ST61230 ST61460 Figure 2. Submersible Pump Components Figure 2 shows the location of the basic components, for 7. AC Power Cable – These pumps are supplied with a the submersible pumps. Listed below is a brief explanation of each component. -
Page 12: Float Switches
FLOAT SWITCHES Mechanical Float Switch Design Features Mechanically activated float switches offer a reliable low Float switch housings are constructed of high-impact, current control for dewatering applications. corrosion resistant polypropylene with mechanically activated, snap action contacts. How It Works „ Suitable for most liquid environments. The mechanical float switch control will turn ON (close) „... - Page 13 For more detailed information regarding the operation of this control box, please reference associated submersible pump manual at POWERSOURCE www.multiquip.com or scan the QR code. TO CONTROL BOX For technical assistance contact the MQ Service Dept. at 888-661-8992. CB1214200B...
- Page 14 USE WITH PUMPS: ST41460: 10 HP, 14.3 FLA @ 460 VAC, 3-PH ST61460: 15 HP, 21.5 FLA @ 460 VAC, 3-PH Contact Multiquip sales department to order control 5 KAIC RMS @ 460 VAC TYPE 3R/4 ENCLOSURE UL ID# E112593 boxes as listed in Table 4.
- Page 15 NOTES ST4/ST6 SERIES SUBMERSIBLE PUMPS • OPERATION MANUAL — REV. #4 (03/04/24) — PAGE 15...
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Page 16: Overload Relay (Cb12/Cb14 Control Boxes)
OVERLOAD RELAY ( CB12/CB14 CONTROL BOXES ) Overload Relay (CB12/CB14 Control Boxes Only) CB12 3Ø 230 VAC FLA SETTING NOTICE 1. Open the the control box door by unlocking the two release latches located on the side of the control box If the EPS200 overload relay is not set correctly, it will trip too soon. -
Page 17: Overload Relay (Cb12A/Cb14A Control Boxes)
OVERLOAD RELAY ( CB12A/CB14A CONTROL BOXES ) Overload Relay (CB12A/CB14A Control Boxes Only) CB14A 3Ø 460 VAC FLA SETTING NOTICE 1. Open the the control box door by unlocking the two release latches located on the side of the control box If the EPS200 overload relay is not set correctly, it will trip too soon. -
Page 18: Control Box Installation
There exists the possibility requirements are, look at the vendor supplied identification of electrocution, electric shock or burn, which can cause name tag attached to the pump or please contact Multiquip's severe bodily harm or even death! Service/Technical Assistance department. - Page 19 CONTROL BOX INSTALLATION Connecting SW1WOPA Float Switches to Control 1. Remove the float switch input connector housing, then route the float switch wires through the cable gland on the control box. Attach the wires of the float switch to the terminal block as indicated by Table 6 and Figure 11. Table 6.
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Page 20: Control Box Power Connections
CONTROL BOX POWER CONNECTIONS 3-Phase Power Installation (Input to Control Box) 3-Phase Power Installation (Output To Pump) 1. The 3-phase input power cord should have four wires. 1. The 3-phase output power cord should have four wires. Each wire is color coded. The colors are RED, WHITE, Each wire is color coded. - Page 21 NOTES ST4/ST6 SERIES SUBMERSIBLE PUMPS • OPERATION MANUAL — REV. #4 (03/04/24) — PAGE 21...
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Page 22: Cb12 Control Box System Diagram (3Ø-230 Vac)
CB12 CONTROL BOX SYSTEM DIAGRAM ( 3Ø - 230 VAC ) OLD STYLE MOUNT CONTROL BOX IN A VERTICAL POSITION AS SHOWN. TRANSFORMER CONTACTOR OFF / ON LAMP MANUAL / AUTO SWITCH OVERLOAD TERMINAL BLOCK RELAY RESET 95 96 EXTERNAL 3-PHASE (230 VOLT) POWER SOURCE CIRCUIT... -
Page 23: Cb14 Control Box System Diagram (3Ø-460 Vac)
CB14 CONTROL BOX SYSTEM DIAGRAM ( 3Ø - 460 VAC ) OLD STYLE MOUNT CONTROL BOX IN A VERTICAL POSITION AS SHOWN. TRANSFORMER CONTACTOR OFF / ON LAMP MANUAL / AUTO SWITCH OVERLOAD TERMINAL BLOCK RELAY RESET 95 96 EXTERNAL 3-PHASE (460 VOLT) POWER SOURCE CIRCUIT... -
Page 24: Cb12A Control Box System Diagram (3Ø-230 Vac)
CB12A CONTROL BOX SYSTEM DIAGRAM ( 3Ø - 230 VAC ) NEW STYLE MOUNT CONTROL BOX IN A VERTICAL POSITION AS SHOWN Hammond Power CAT. NO. TRANSFORMER Solutions Inc. PH50MLI CONTACTOR 50 VA 50/60 HZ 55 C RISE OFF/ON LAMP HAND/OFF/AUTO OVERLOAD SIEMENS... -
Page 25: Cb14A Control Box System Diagram (3Ø-460 Vac )
CB14A CONTROL BOX SYSTEM DIAGRAM ( 3Ø - 460 VAC ) NEW STYLE MOUNT CONTROL BOX IN A VERTICAL POSITION AS SHOWN Hammond Power CAT. NO. PH50MLI TRANSFORMER Solutions Inc. CONTACTOR 50 VA 50/60 HZ 55 C RISE OFF/ON LAMP HAND/OFF/AUTO OVERLOAD SIEMENS... -
Page 26: Operation
OPERATION Pump Placement 2. Make sure the pump is always placed in an upright position, not tilted (Figure 16). Never position the pump 1. Attach a suitable lifting chain to the eye bolts or lift handle directly on a soft, loose bottom. To attain maximum (Figure 15) on the pump. - Page 27 OPERATION Control Box Operation (Manual Mode) Once the water level has risen back to the appropriate level the start float switch contacts will close and 1. From the voltage source, set the circuit breaker or quick power will be restored to the pump's motor. disconnect switch to the ON position.
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Page 28: Maintenance
2. Use a funnel (Figure 22) and fill oil chamber with ISO VG32 lubrication oil or equivalent. Oil chamber capacity is 40 oz. (1,200 cc) for ST41230/ST41460 and 47 oz (1,400 cc) ST61230/ST61460. Fill to 75-80% capacity to allow for expansion. Replace lubrication oil once a year or 3,000 hours. - Page 29 Impeller Removal ST61230/ST61460 Refer to the the following procedure and Figure 24 for the removal of the impeller. ST41230/ST41460 1. Remove oil screw and gasket from the oil fill chamber port. Drain oil from oil chamber as referenced in Figure 24.
- Page 30 If insulation drops below initial testing. Contact an authorized Multiquip service 10 megohms, contact an authorized Multiquip service center. center if the measured cable insulation is 10 megohms or less.
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Page 31: Troubleshooting
TROUBLESHOOTING Table 9. Pump Troubleshooting SYMPTOM POSSIBLE PROBLEM SOLUTION Check that the proper voltage, 230 or 460 VAC, 60 Hz, 3-phase is being supplied to the pump. Also Incorrect voltage/amps? check that there is an adequate amount of current (amps) to run the pump. Check power source circuit breaker. -
Page 32: Cb12 Control Box Wiring Diagram
CB12 CONTROL BOX WIRING DIAGRAM 230 VAC OLD STYLE THREE PHASE WIRING EXTERNAL 3-PHASE (230 VAC) CONNECTIONS POWER POWER SOURCE INPUT CIRCUIT BLK AWG 8 BREAKER PUMP BLK AWG 8 WHITE MOTOR BLACK BLK AWG 8 H3 H2 SEE TABLE 4 CONTROL FOR CORRECT TRANSFORMER... -
Page 33: Cb14 Control Box Wiring Diagram
CB14 CONTROL BOX WIRING DIAGRAM 460 VAC OLD STYLE THREE PHASE WIRING EXTERNAL 3-PHASE CONNECTIONS (460 VAC) POWER POWER SOURCE INPUT CIRCUIT BLK AWG 8 BREAKER PUMP BLK AWG 8 WHITE MOTOR BLACK BLK AWG 8 SEE TABLE 4 CONTROL FOR CORRECT TRANSFORMER GROUND... -
Page 34: Cb12A Control Box Wiring Diagram
CONTACTOR RED/ORG 16 AWG WHT/GRY 16 AWG RED/ORG 16 AWG RED/ORG 16 AWG RED/ORG 16 AWG JUMPER ST41230: 10 HP, 28.6 FLA @ 230 VAC, 3-PH TERMINAL ST61230: 15 HP, 45.8 FLA @ 230 VAC, 3-PH BLOCK (TB1) STOP START... -
Page 35: Cb14A Control Box Wiring Diagram
CB14A CONTROL BOX WIRING DIAGRAM NEW STYLE CB14A, 460 VAC THREE PHASE WIRING CONNECTIONS EXTERNAL 3-PHASE (460 VAC) POWER POWER SOURCE INPUT CIRCUIT BLK AWG 8 BREAKER PUMP BLK AWG 8 WHITE MOTOR BLACK BLK AWG 8 TERMINAL 14.3A = 4 IN CONTROL BLOCK PUMP... - Page 36 © COPYRIGHT 2024, MULTIQUIP INC. Multiquip Inc , the MQ logo are registered trademarks of Multiquip Inc. and may not be used, reproduced, or altered without written permission. All other trademarks are the property of their respective owners and used with permission.
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