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WHISPERFLO
®
VS and WHISPERFLO
®
VST Variable Speed Pump Installation and User’s Guide
Maintenance .......................................................
Cleaning the Pump Strainer Basket
Motor Care
Pump Disassembly
Pump Reassembly
Motor/Hydraulics Assembly Diagram
Shaft Seal Replacement
Restarting the Pump
Winterizing
Troubleshooting .................................................
Troubleshooting Chart
Alarms and Fault Codes
Replacement Parts ............................................
Technical Data ....................................................
Performance Curves
Specications and Dimensions
Important Safety Instructions ...........................
Introduction ........................................................
Pump Features
Motor Features
Drive Features
External Control
Using the Drive Keypad ....................................
Installation ..........................................................
Location
Piping
Fitting and Valves
Electrical Installation
Wiring
Grounding
Bonding
External Control via RS-485
Control System Pump Settings
External Control via Digital Inputs
Using the Pump's Output Signal
Using an External Input Signal
External Control Only Mode
Operation ............................................................
Setting the Clock and Pump Address
Using the Default Schedule
Programming a Custom Schedule
Speed Priorities (Non-External Control)
Operating the Pump While Running
Quick Clean
Priming
Programming Quick Clean
Keypad Lockout
Factory Reset
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TABLE OF CONTENTS
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