Lorentz PS1800 Solar Pumping Planning Guide

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Table 1: Solar Array Tilt Angles by Latitude ........................................................... 7
Table 2: Pump heads with and without rubber spacers ....................................... 26
Table 3: Pump speed indication ......................................................................... 28
Table 4: Motor circuit running current PS200 and PS600 systems ....................... 33
Table 5: Motor circuit running current PS1200 systems ...................................... 33
Table 6: Motor circuit running current PS1800 systems ...................................... 33
Table 7: Testing the Solar Array (DC) .................................................................. 35
Table 8: Testing the pump circuit (motor circuit running current and resistance) .. 36
Table 9: Testing the low-water probe circuit ....................................................... 36
Table 10: Testing the full-tank float switch (or pressure switch) circuit .................. 37
Table 11: Friction Loss in Plastic Pipe with Standard Inside Diameter (SIDR) .......... 41
Table 12: Max open-circuit voltage for PV modules .............................................. 49
Table 13: Max open-circuit voltage for PV modules .............................................. 50
Figure 1: SunCompass
™
...................................................................................... 6
Figure 2: Transportation protection caps and boots .............................................. 8
Figure 3: Position of holes for fixation for PS150, PS200 ....................................... 9
Figure 5: Steel conduit threads for PS150, PS200 ................................................. 9
Figure 4: Position of holes for fixation for PS600, PS1200, PS1800 ....................... 9
Figure 6: Steel conduit threads for PS600, PS1200, PS1800 ................................. 9
Figure 8: Conduit holes ..................................................................................... 10
Figure 7: Typical assembly of controller and junction box on the solar array mount-
ing pole .............................................................................................. 10
Figure 9: Two types of PV module junction systems ............................................ 12
Figure 10: Controller terminals ............................................................................ 13
Figure 11: Terminals inside the PS controller ........................................................ 14
Figure 12: Cable splice ........................................................................................ 14
Figure 13: Low-water probe installed in the standard position, for a pump that is po-
sitioned vertically ................................................................................ 16
Figure 14: Float switch scheme ............................................................................ 17
Figure 15: Wiring a “normally open float switch” ................................................ 17
Figure 16: Wiring a “normally closed/reverse action float switch” ......................... 17
Figure 17: Wiring for pressure switch ................................................................... 20
Figure 18: Typical assembly for automatic water pressurising ............................... 20
Figure 19: Assembling the Rotor on the Motor Shaft ............................................ 21
Figure 20: Hose clamp to reinforce a plastic reducer bushing ................................ 22
Figure 21: Safety rope ......................................................................................... 23
Figure 22: Minimum angle when positioning the pump in an inclined position ...... 24
Figure 23: Stilling tube for HR pumps ................................................................... 25
Figure 24: Bypass foot valve assembly with offset elbows to fit a drilled well casing ..
26
Figure 25: Pump head with and without rubber spacers ....................................... 26
Figure 26: Test 1+2 ............................................................................................. 35
Figure 28: Test 2a ................................................................................................ 35
Figure 29: Test 4 ................................................................................................. 35
Figure 27: Test 4a ................................................................................................ 35
Figure 30: Test 6 ................................................................................................. 36
Figure 31: Test 6a ................................................................................................ 36
Figure 32: Test 7 ................................................................................................. 36
Figure 33: Helical Rotor Pump Head ..................................................................... 40
Figure 35: Motor with helical rotor attached, stator housing removed ...................40
Figure 34: Close-up of helical rotor ...................................................................... 40
Figure 37: Pitless Adapter System ........................................................................ 42
Figure 36: Well Seal System ................................................................................. 42
Figure 38: Water Storage System ......................................................................... 43
Figures Tables

Lorentz PS1800 Specifications

General

Brand	Lorentz
Model	PS1800
Category	Water Pump
Language	English