Multiquip
st3020bcul, st3020b1
manual
Motor assy
Specs
Install
Cb6 wiring diagram
Dimension
Maintenance
Symptom
Reset Operation
Cleanup
How to
Electrical Insulation Testing
Page 34
motor assy.
page 34 — st3020b1/BCUL Sub. pump • operation and parts manual — rev. #2 (10/28/10)
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Contents
Model st3020b1/st3020bcul
Table of Contents
Submersible Pump
Choose from three easy options
Safety Information
SaFetY messages
GeneraL saFetY
PUmp saFetY
do not attempt to thaw out a frozen pump by using
LiFting saFetY
Power Cord/Cable Safety
Control box safety
Grounding Safety
Dimensions
ST3020B1/BCUL Pump Dimensions
ST3020B1/BCUL
SpecificationS
UL/CSA
Performance curve
Pump Performance Curve
General information
Shaft simplifies maintenance
CORROSION-RESISTANT STAINLESS-STEEL
Components
Submersible Pump Components
Direct power operation
Direct Power Operation
Design Features
Float switches
Mechanical Float Switch
How It Works
Float Switches
Mounting The Float Switches
Float switches control box
Control Boxes CB6 and CB200
Single
For correct wiring to pump motor 1Ø, 230 VAC, add
Power Input Cable to Control BOX
Hose Connections
Pump Power Connections No Control Box
Operation
Attaching Lifting Rope
Power Cord Requirements
Control Box Installation
Single-Phase Power Installation Input
Control Box Mounting
Connecting Dual float Switch SW-1WOP To Control Box
Connecting AC Power to the Pump Motor
Module
Electronic Overload Module Settings
Reset Operation
CB200 Control Box New Style Electronic Overload Module
Manual Operation
Automatic Operation
Verify that the control box power on light is OFF
Operation/maintenance
Cleanup
Shut-Down
Remove adjustment liner item Reassemble in reverse order
Maintenance
Impeller/Mechanical Seal Replacement
Remove impeller nut item 4 and washer item
Electrical Insulation Testing
Why perform electrical insulation testing?
Symptom
Solution
Cb6 wiring diagram
TB1
Cb200 wiring diagram
Connections
Explanation of Code in Remarks Column
Suggested Spare Parts
To 3 Units
Pump assy
Part Name QTY Remarks
Motor assy
Part Name
Terms and Conditions of Sale Parts
FreigHt poLiCY
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