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2
Contents
Description and Features ................................................................................4
Included Items ..................................................................................................5
How It Works .....................................................................................................6
Pump Sizing and Drive Confi guration ............................................................8
Underload Sensitivity for Shallow Wells ........................................................9
Before Getting Started ...................................................................................10
Controller Location Selection ................................................................. 11-12
Circuit Breaker and Wire Sizing ....................................................................13
Quick Reference Guide ............................................................................ 14-15
Pressure Tank .................................................................................................16
Installation Procedure ....................................................................................17
Wiring Connections .................................................................................. 18-20
Start-Up and Operation .................................................................................21
Specifi cations .................................................................................................22
Mounting Dimensions ....................................................................................23
Diagnostic Fault Codes ..................................................................................24
System Troubleshooting Guide .....................................................................25
Underload Smart Reset .................................................................................26
Over Temperature Foldback ..........................................................................26
Tables
1. SubDrive Models .......................................................................................3
2. Breaker Size and Maximum Cable Length ...........................................13
3. Minimum Pressure Tank Size .................................................................16
4. Pressure Tank Precharge .......................................................................16
Figures
1. Shipping and Mounting Screws .............................................................17
2. Motor Lead Connections .......................................................................18
3. Power and Pressure Sensor Connections ............................................19
4. Pressure Sensor ......................................................................................20
5. Underload “Smart Reset” Well Recovery Time ....................................26