Trouble Shooting 8 ................................................................................. 29
If The Pump Does Not Run 8.1 ............................................................................. 29
Inspect The System 8.2 ......................................................................................... 30
Electrical Testing 8.3 ............................................................................................ 31
If The Pump Runs But Flow Is Less Than Normal 8.4 .............................................. 33
Electrical Testing Illustrated 9 ............................................................... 33
Testing the Solar Array (DC) 9.1 ............................................................................ 34
Testing the pump circuit (AC and resistance) 9.2 ................................................... 35
Testing the low-water probe circuit 9.3 ................................................................. 35
Testing the full-tank float switch (or pressure switch) circuit 9.4 ............................ 36
Maintenance 10 ....................................................................................... 37
Controller and Pump 10.1 ...................................................................................... 37
Solar Array 10.2 ..................................................................................................... 37
Electrical Wiring 10.3 ............................................................................................. 37
Standards, Environmental and 11 Temperature Specifications ...............37
Reference Section 12 ............................................................................... 38
Principles of Operation 12.1 ................................................................................... 38
Helical Rotor Models 12.2 ...................................................................................... 39
Water Pipe Sizing Chart 12.3 ................................................................................. 40
Wellhead Assemblies for Drilled Wells 12.4 ............................................................. 41
Water Storage for Solar Water Pumps 12.5 ............................................................. 42
Monitoring a Solar Pump System 12.6 .................................................................... 43
Freeze Protection for Solar Water Pumps 12.7 ......................................................... 43
Selecting and Using Meters for Electrical Testing 12.8 ............................................. 44
Measuring Solar Energy Intensity 12.9 .................................................................... 44
Glossary of Solar Electricity and Water Pumping 12.10 .............................................. 45
Calculating Pumping Efficiency and Power Requirement 12.11 ................................. 47
System Wiring Diagram for Solar-direct (Non-battery) Systems 12.12 ......................... 48
System Wiring Diagram for Battery Systems 12.13 .................................................... 49
System Report 13 .................................................................................... 50
System and Components 13.1 ................................................................................ 50
Installation 13.2 .................................................................................................... 50
Recent Updates 14 ................................................................................... 51
Introduction 1 .......................................................................................... 4
Warnings 2 ............................................................................................... 4
Installing the Solar Array 3 ...................................................................... 6
Location of the Solar Array 3.1 ............................................................................... 6
Solar Array Assembly Methods 3.2 .......................................................................... 6
Solar Array Mounting Rack 3.3 ............................................................................... 6
Orienting the Solar Array to Solar South 3.4 ............................................................ 6
Setting the Solar Array 3.5 Tilt Angle ....................................................................... 7
Electrical Installation 4 ............................................................................ 8
Controller, 4.1 Junction Box and Conduit ................................................................ 8
Grounding and 4.2 Lightning Protection ............................................................... 10
Solar Array Wiring 4.3 .......................................................................................... 11
Solar Array Disconnect Switch in the 4.4 Junction Box ........................................... 12
Junction Box (Controller Input) Wiring 4.5 ............................................................ 12
Maximum RPM Setting 4.6 .................................................................................. 13
Submersible Pump Cable and Splice 4.7 ............................................................... 13
Wiring Order for Correct 4.8 Rotation ................................................................... 14
Low-Water Probe for Dry-Run Protection 4.9 ........................................................ 15
Automatic Control For Full-Tank Shutoff 4.10 ......................................................... 16
Battery-Based Systems 4.11 ................................................................................... 18
Pressurizing Systems 4.12 ...................................................................................... 19
Preparing to Install the Pump 5 ............................................................. 20
Warnings for Handling Helical Rotor Pumps 5.1 .................................................... 20
Assembling the Rotor on the Motor Shaft 5.2 ....................................................... 20
Drop Pipe 5.3 ...................................................................................................... 21
Safety Rope and Binding 5.4 ................................................................................ 22
Installation in a Surface Water Source 5.5 ............................................................. 23
Deep Well Setting — How Deep? 5.6 ................................................................... 23
Coping with Dirty Water Conditions 5.7 ............................................................... 24
Utilizing a Low-Production Water Source 5.8 ........................................................ 24
Installing the Pump Under a Windmill or Hand Pump Cylinder 5.9 ......................... 25
In-well Assembly and Installation 6 ....................................................... 25
Rubber Spacers 6.1 .............................................................................................. 25
Machine Installation 6.2 ...................................................................................... 25
Hand Installation 6.3 ........................................................................................... 26
Sanitizing the Well 6.4 ......................................................................................... 26
Operating the Pump 7 ........................................................................... 27
Contents