Lorentz PS200 Instructions For Installation Operation Service page 3

Contents continued
10 MAINTENANCE .................................................................................................................................................. 54
10.1 Controller and Pump .................................................................................................................................... 54
10.2 Solar Array ..................................................................................................................................................... 54
10.3 Electrical Wiring ............................................................................................................................................ 54
11 MANUFAC-TURER'S WARRANTY ...................................................................................................................... 55
12 STANDARDS, ENVIRONMENTAL AND TEMPERA-TURE SPECIFI-CATIONS ..................................................... 55
13 REFERENCE SECTION ....................................................................................................................................... 56
13.1 Principles of Operation ................................................................................................................................. 56
13.2 Water Pipe Sizing Chart ................................................................................................................................ 58
13.3 Wellhead Assemblies for Drilled Wells ....................................................................................................... 59
13.4 Water Storage for Solar Water Pumps ......................................................................................................... 60
13.5 Monitoring a Solar Pump System ................................................................................................................. 61
13.6 Freeze Protection for Solar Water Pumps .................................................................................................... 61
13.7 Selecting and Using Meters for Electrical Testing ....................................................................................... 62
13.8 Measuring Solar Energy Intensity ................................................................................................................. 62
13.9 Glossary of Solar Electricity and Water Pumping ........................................................................................ 63
13.10 Calculating Pumping Efficiency and Power Requirement ........................................................................... 67
13.11 System Wiring Diagram for Solar-direct (non-battery) System .................................................................... 68
Symbols
WARNING
disregard might lead to injury or
damage the installation
CAUTION
recommended to avoid disfunc-
tion or premature ageing of the
pump etc.
QUESTION AND ANSWER
gives explanation
ADVICE
3