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Dankoff Solar SunCentric Series, Installation & Service Manual

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Dankoff Solar SunCentric Series Installation & Service Manual Download Page 5

Pump and Pipe Positions -- Yes or No?

YES

N O

Air escapes from top of pump

Air will be trapped at top of pump

Water leak will damage motor

Air will be trapped here

N O

Air will be trapped here

N O

INLET PIPE

OUTLET PIPE

YES

N O

IF water source is 

higher than the 

pump's outlet

N O

IF water source is lower 

than the pump's outlet

Summary of Contents for SunCentric Series

Page 1: ...array tilts to follow the sun as it travels accross the sky Centrifugal pumps loose capacity quickly as solar intensity and motor speed decrease Therefore it is most economical to use a tracking array...

Page 2: ...motive fuses are good for 24V nominal 30 Amp Max Paper cartridge type FRN R time delay fuses are available for 30 amp maximum and are rated to 120VDC A standard AC single phase fused disconnect switch...

Page 3: ...watts A controller current booster is NOT required with SunCentric pumps Dankoff Solar Products Inc Ground the array framework to earth for lightning protection Do NOT ground the power negative pump...

Page 4: ...foot valve must be used at the water intake to keep the pump primed Foot valves are available from any local pump supplier and from many hardware stores To prevent air from being drawn into suction p...

Page 5: ...p of pump Air will be trapped at top of pump Water leak will damage motor Air will be trapped here NO Air will be trapped here NO INLET PIPE OUTLET PIPE YES NO IF water source is higher than the pump...

Page 6: ...to stop the flow upon filling a tank However if the flow is 100 stopped there is danger that the water in the pump can get very hot from fluid friction and cause damage A float valve installation shou...

Page 7: ...ge of water due to a worn shaft seal Be sure that this rubber slinger rotates with the motor shaft If it is cracked or if it does not turn with the shaft either replace it or glue it to the shaft coup...

Page 8: ...ircuit voltage should be about 20V per 12V increment Array is positioned wrong Partial shade or dirt on the PV array Pump is partly jammed See Pump is jammed below Undersized wire see next line IF sys...

Page 9: ...the pump s suction capacity This is called cavitation Lower the pump closer to the water source if possible Reduce friction in the intake pipe by using larger pipe and or eliminating sharp 90 degree e...

Page 10: ...warranty Product liability except where mandated by law is limited to repair or replacement at the discretion of the manufacturer Manufacturer is not responsible for incidental or consequential damage...

Page 11: ...73 2 61 1 34 0 46 0 18 0 07 2 0 7 6 10 6 3 16 1 64 0 55 0 21 0 08 0 02 2 2 8 3 13 3 3 79 1 96 0 67 0 25 0 09 0 03 2 4 9 1 14 9 4 44 2 31 0 79 0 30 0 11 0 04 2 6 9 9 5 15 2 66 0 90 0 35 0 14 0 05 2 8 1...

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