Page 2 - table Of cOntents; submersible pump; component drawings; NOTICE
page 2 — st3020b1/bCUL sUb. pUmp • operation and parts manUaL — rev. #2 (10/28/10) table Of cOntents Multiquip st3020b1/bcul submersible pump Table Of Contents .................................................... 2 Parts Ordering Procedures ...................................... 3 Safety Information...
Page 3 - parts Ordering prOcedures; Ordering parts has never been easier!; choose from three easy options:; We aCCept aLL maJor Credit Cards!; order via internet; Order; internet; order via Fax; Fax
st3020b1/bCUL sUb. pUmp • operation and parts manUaL — rev. #2 (10/28/10) — page 3 parts Ordering prOcedures www .multiquip .com Ordering parts has never been easier! choose from three easy options: We aCCept aLL maJor Credit Cards! when ordering parts, please supply: ❒ dealer account number ❒ deale...
Page 4 - safety infOrMatiOn; saFetY messages; danger; Burn hazards; Symbol; Electric shock hazards
page 4 — st3020b1/bCUL sUb. pUmp • operation and parts manUaL — rev. #2 (10/28/10) safety infOrMatiOn Do not operate or service the equipment before reading the entire manual. Safety precautions should be followed at all times when operating this equipment. Failure to read and understand the safety ...
Page 5 - generaL saFetY; keep
st3020b1/bCUL sUb. pUmp • operation and parts manUaL — rev. #2 (10/28/10) — page 5 safety infOrMatiOn generaL saFetY CaUtion never operate this equipment without proper protective clothing, shatterproof glasses, respiratory protection, hearing protection, steel-toed boots and other protective devi...
Page 6 - pUmp saFetY; eLeCtriCaL saFetY
page 6 — st3020b1/bCUL sUb. pUmp • operation and parts manUaL — rev. #2 (10/28/10) safety infOrMatiOn pUmp saFetY danger never operate the equipment in an explosive atmosphere or near combustible materials. An explosion or fi re could result causing severe bodily harm or even death. Warning Acci...
Page 7 - Power Cord/Cable Safety; Grounding Safety; Control box safety; LiFting saFetY
st3020b1/bCUL sUb. pUmp • operation and parts manUaL — rev. #2 (10/28/10) — page 7 safety infOrMatiOn NOTICE aLWaYs make certain that the voltage supplied to the pump is correct. Always read the pump’s nameplate to determine what the power requirements are. Power Cord/Cable Safety danger never l...
Page 8 - diMensiOns; in
page 8 — st3020b1/bCUL sUb. pUmp • operation and parts manUaL — rev. #2 (10/28/10) diMensiOns 2.0 in (50 mm) 2.9 in (75 mm) 3.3 in (83 mm) 21.6 in (548 mm) 24.8 in (631 mm) 6.3 in (160 mm) 27.9 in (708 mm) 6.7 in (170 mm) 6. 9 in (176 mm) NPT3 NEMA L6-20P PLUG 590.6 in (15000 mm) 0.9 in (23 mm) Figu...
Page 9 - specificatiOns; motor rotation; counterclockwise (CCW) as viewed from the impeller end of the pump.; mechanical seal oil; Table 1. Specifications
st3020b1/bCUL sUb. pUmp • operation and parts manUaL — rev. #2 (10/28/10) — page 9 specificatiOns 1. motor rotation – Upon start-up, the pump "kicks" in the opposite direction of motor rotation. The correct rotation is counterclockwise (CCW) as viewed from the impeller end of the pump. 2. me...
Page 10 - perfOrMance curve; Figure 2. Pump Performance Curve
page 10 — st3020b1/bCUL sUb. pUmp • operation and parts manUaL — rev. #2 (10/28/10) perfOrMance curve Figure 2. Pump Performance Curve
Page 11 - general infOrMatiOn
st3020b1/bCUL sUb. pUmp • operation and parts manUaL — rev. #2 (10/28/10) — page 11 general infOrMatiOn The Multiquip Model ST3020B1 and ST3020BCUL submersible pumps are designed to pump water and is used for the draining (dewatering) of well casings construction sites, coffer dams, manholes, transf...
Page 12 - cOMpOnents; Figure 3. Submersible Pump Components; AC Power Cable
page 12 — st3020b1/bCUL sUb. pUmp • operation and parts manUaL — rev. #2 (10/28/10) cOMpOnents Figure 3. Submersible Pump Components Figures 3 shows the location of the basic components, for the ST3020B1/BCUL submersible pump. Listed below is a brief explanation of each component.1. AC Power Cable –...
Page 13 - direct pOwer OperatiOn; direct power operation; the pump during operation could lead to; Figure 4. Direct Power Application
st3020b1/bCUL sUb. pUmp • operation and parts manUaL — rev. #2 (10/28/10) — page 13 direct pOwer OperatiOn direct power operation The ST3020B1/BCUL submersible pumps can be configured to operate by direct power (Figure 4) or connected to a control box (Figures 9, 10 and 11) utilizing float switches....
Page 14 - flOat switches; mechanical Float switch; pumping range; design Features
page 14 — st3020b1/bCUL sUb. pUmp • operation and parts manUaL — rev. #2 (10/28/10) flOat switches mechanical Float switch Mechanically activated float switches offer a reliable low current control for dewatering applications. How it Works The mechanical float switch control will turn ON (close) whe...
Page 15 - Float switches; two; mounting the Float switches; cord tether length; do not
st3020b1/bCUL sUb. pUmp • operation and parts manUaL — rev. #2 (10/28/10) — page 15 Float switches For unattended operation of the submersible pump two Model SW1WOPA float switches will be required. These float switches have bare wires on one end of the cable for direct connection to either the CB6 ...
Page 16 - Figure 9. CB6 Control Box Dual Float Switch Application Diagram
page 16 — st3020b1/bCUL sUb. pUmp • operation and parts manUaL — rev. #2 (10/28/10) flOat switches (cOntrOl bOx) Control boxes (Cb6 and Cb200) For special remote pumping applications of the submersible pump, a control box (Models CB6 or CB200) is required. These water resistant control boxes provide...
Page 17 - Dual Float Switch Application Diagram
st3020b1/bCUL sUb. pUmp • operation and parts manUaL — rev. #2 (10/28/10) — page 17 Figure 10. CB200 Control Box (Old Style) Dual Float Switch Application Diagram CLASS AUTO HAND 30 20 10 30 20 10 FLC (A) 16 12 6.4 7 8 10 STOPRESET 2 4 6 1 2 3 4 1 2 3 4 FUSE L1 L2 L3 L1 L2 L3 X2 XF X1 H4 H2 H3 H1 11...
Page 19 - Figure 12. Submersible Pump; OperatiOn; Figure 13. Submersible Pump; oFF
st3020b1/bCUL sUb. pUmp • operation and parts manUaL — rev. #2 (10/28/10) — page 19 Hose Connections 1. Connect a 3-inch hose to the discharge port on the pump as shown in Figure 8. Make sure that hose is attached correctly to the discharge port. attaching Lifting rope 1. Attach a suitable lifting c...
Page 20 - Control box installation; upright vertical position; flammable liquids; power Cord requirements
page 20 — st3020b1/bCUL sUb. pUmp • operation and parts manUaL — rev. #2 (10/28/10) OperatiOn Control box installation The following procedure outlines the steps for connecting the pump to a control box. Control box mounting Mount the control box in an upright vertical position . Make sure the contr...
Page 21 - dual Float switch Connections; Connecting AC Power to the Pump Motor; red; jumper wire; aLWaYs; circuit breaker
st3020b1/bCUL sUb. pUmp • operation and parts manUaL — rev. #2 (10/28/10) — page 21 Connecting dual float switch (sW-1Wop) to Control box 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 sw...
Page 22 - electronic overload module settings; Full Load Current (FLC) Amps Dial Setting; Figure 14. Electronic Overload; Class Dial Setting; reset operation; Figure 15. Control Box Reset Button; Cb200 Control box new style electronic overload; Figure 16. Electronic Overload
page 22 — st3020b1/bCUL sUb. pUmp • operation and parts manUaL — rev. #2 (10/28/10) OperatiOn electronic overload module settings Cb200 Control box old style electronic overload Module There are two dials on the Electronic Overload Module (Figure 14) that require setting before the pump can be used ...
Page 23 - Full Load Current (FLC) Amps Dial A Setting; manual operation; Figure 18. Control Box Power ON Indicator; automatic operation; start float
st3020b1/bCUL sUb. pUmp • operation and parts manUaL — rev. #2 (10/28/10) — page 23 OperatiOn Full Load Current (FLC) Amps Dial A Setting 1. Set dial A pointer (Figure 16) to 10.5. This setting represents the running amps of the pump. This information can be located on the pump's nameplate Reset Dia...
Page 24 - OperatiOn/Maintenance; Cleanup; Checking Lubrication Oil Level; Figure 21. Adding Lubrication Oil
page 24 — st3020b1/bCUL sUb. pUmp • operation and parts manUaL — rev. #2 (10/28/10) OperatiOn/Maintenance shut-down 1. Place the 3-position operation switch on the control box in the oFF position (Figure 20). Figure 20. Manual-Off-On SW. (OFF Position) 2. Verify that the control box power ON light i...
Page 25 - Maintenance; Inspecting Lubrication Oil (Mechanical Seal); Figure 22. Lubrication Oil Inspection; impeller/mechanical seal replacement; Figure 23. Impeller/Mechanical Seal Removal
st3020b1/bCUL sUb. pUmp • operation and parts manUaL — rev. #2 (10/28/10) — page 25 Maintenance Inspecting Lubrication Oil (Mechanical Seal) 1. Block the oil fill opening with a finger and roll pump to one side to drain (Figure 22) oil into a small transparent container. 2. If oil is cloudy (milky) ...
Page 26 - electrical insulation testing; Figure 24. Insulation Tester Application
page 26 — st3020b1/bCUL sUb. pUmp • operation and parts manUaL — rev. #2 (10/28/10) Maintenance electrical insulation testing Why perform electrical insulation testing? Electrical insulation starts to age as soon as it's made. Harsh environments, especially those with extreme temperature changes and...
Page 27 - trOubleshOOting; Pump Troubleshooting; sYmptom; Pump Fails To Start
st3020b1/bCUL sUb. pUmp • operation and parts manUaL — rev. #2 (10/28/10) — page 27 trOubleshOOting table 8. Pump Troubleshooting sYmptom possibLe probLem soLUtion Pump Fails To Start Incorrect voltage/amps? Check that proper voltage (230 VAC, 60 Hz, single-phase) is being supplied to the pump. Also...
Page 28 - cb6 wiring diagraM; Figure 25. CB6 Wiring Diagram
page 28 — st3020b1/bCUL sUb. pUmp • operation and parts manUaL — rev. #2 (10/28/10) cb6 wiring diagraM RED EXTERNAL 1-PHASE (230 VAC, 60 Hz.) POWER SOURCE CIRCUIT BREAKER BLACK L1 GROUND L2 GREEN GND INPUT POWER CORD GREEN 0N (MANUAL) 2-POLE OPERATION SWITCH 5L3 6T3 4T2 2T1 1L1 3L2 STARTFLOAT SWITCH...
Page 29 - SINGLE PHASE WIRING
st3020b1/bCUL sUb. pUmp • operation and parts manUaL — rev. #2 (10/28/10) — page 29 cb200 wiring diagraM X1 X2 F1 FUSE 1/2 AMP 5 MANUAL 11 23 12 OFF AUTO 24 1 4 G ON INDICATOR LAMP M 7 7 O/L 6 6 A1 A2 96 95 3 14 13 1 1 1 XF 4 3 2 1 STOP FLOAT SWITCH STARTFLOAT SWITCH TERMINAL BLOCK CONTACTOR 5 HP SI...
Page 30 - explanatiOn Of cOde in reMarks cOluMn; sampLe parts List; part name; Unique Symbols; without notice; remarKs
page 30 — st3020b1/bCUL sUb. pUmp • operation and parts manUaL — rev. #2 (10/28/10) explanatiOn Of cOde in reMarks cOluMn The following section explains the different symbols and remarks used in the Parts section of this manual. Use the help numbers found on the back page of the manual if there are ...
Page 31 - suggested spare parts; description
st3020b1/bCUL sUb. pUmp • operation and parts manUaL — rev. #2 (10/28/10) — page 31 suggested spare parts st3020b1/st3020bCUL sUbmersibLe pUmp 1 to 3 UnitsQty. p/n description 1 ...........0203020B1120 ..... AC CORD WITH GLAND 1............0202020060 .......... MECHANICAL SEAL 1............0203020B1...
Page 36 - terMs and cOnditiOns Of sale — parts
page 36 — st3020b1/bCUL sUb. pUmp • operation and parts manUaL — rev. #2 (10/28/10) terMs and cOnditiOns Of sale — parts paYment terms Terms of payment for parts are net 30 days. FreigHt poLiCY All parts orders will be shipped collect or prepaid with the charges added to the invoice. All shipments a...
Page 37 - nOtes
st3020b1/bCUL sUb. pUmp • operation and parts manUaL — rev. #2 (10/28/10) — page 37 nOtes
Page 38 - OperatiOn and parts Manual; Your Local Dealer is:; HERE’S HOW TO GET HELP; PLEASE HAVE THE MODEL AND SERIAL; UNITED STATES; Canada
OperatiOn and parts Manual Your Local Dealer is: HERE’S HOW TO GET HELP PLEASE HAVE THE MODEL AND SERIAL NUMBER ON-HAND WHEN CALLING © COPYRIGHT 2010, MULTIQUIP INC. Multiquip Inc and the MQ logo are registered trademarks of Multiquip Inc. and may not be used, reproduced, or altered without written ...