Dankoff Solar Products SunCentric P, Instruction Manual

Page 1: ...Instruction Manual Solar Powered Centrifugal Pump for swimming pools agriculture more Dankoff Solar Products Inc Santa Fe NM USA 505 473 3800 888 396 6611 www dankoffsolar com C entric un S TM P 1 1...

Page 2: ...ing and Grounding 16 4 9 Low Water Probe for Dry Run Protection 17 4 10 External ON OFF Switching 17 4 11 Automatic Control For Full Tank Shutoff 19 4 12 AC Backup 21 5 SWIMMING POOL SYSTEMS 22 5 1 Th...

Page 3: ...r or the controller Install proper system grounding for safety and lightning protection See Section 4 2 Do not touch the controller input or pump wires together to test for a spark Do not run the pump...

Page 4: ...lar exposure of the solar array is critical for the performance of a solar direct system Choose a location for the solar array that has unrestricted sun exposure through the day and through the year T...

Page 5: ...he tracker pipe was extended to about 10 feet 3m by welding it to a larger pipe The array was assembled and wired on the ground then lifted and lowered onto the pole with the help of a backhoe and cha...

Page 6: ...ow No magnetic compass needed Sun Compass Instructions 1 Draw an arrow from Month dot to intersection of your Standard Time and Latitude The gray line is an example August 2 PM at 40 N lat 2 Stand and...

Page 7: ...oduction will be increased by about 8 in summer 5 in winter compared to option 1 There is less advantage in a cloudier climate If adjustment is difficult or is likely to be forgotten this is not a goo...

Page 8: ...heating This may also allow easiest access without hitting your head on the lower south edge of the array Junction box A pre wired junction box is included with your system The junction box terminals...

Page 9: ...on to confirm that it is secure PHOTO GALLERY Illustrated on the next pages is a 300 watt solar direct system with a pole mount The pump controller and the junction box are installed on the pole The a...

Page 10: ...eliminates need for lugs slotted strut Unistrut or equivalent cut to the width of the box conduit clamp to fit slotted strut hose clamp Typical assembly of the controller and junction box on the sola...

Page 11: ...etc 2 Install a copper plate or other specialized grounding devices designed for the purpose Some systems use salts to improve the conductivity of the surrounding soil 3 Install one or more copper pla...

Page 12: ...system ungrounded This is called a floating system Explanation With a floating system and a good structural ground lightning induced surges tend to reach ground through the structure instead of the po...

Page 13: ...ailures are caused by loose corroded or shorted connections PHOTOS show two types of PV module junction systems TOP Quick connect system using MC connectors BOTTOM Conventional junction box with condu...

Page 14: ...r to the controller Voltage open circuit must not exceed 90V Even in cloudy weather the open circuit voltage will be near maximum WARNING Some thin film modules panels may produce excessive voltage es...

Page 15: ...aximum RPM setting 1 Remove the bottom end of the EP 600A controller enclosure the end with the conduit openings 2 Locate the adjustment knob shown in the photo below circled 3 In most cases the knob...

Page 16: ...akes 15 seconds to reach full speed If the direction is reversed STOP THE PUMP before it reaches full speed or the impeller may spin off and crash If the direction is reversed exchange ANY TWO of the...

Page 17: ...probe wires to the low water probe terminals 1 and 2 Operation The probe senses electrical conductivity through the water between two electrodes If the water level drops below the probe continuity is...

Page 18: ...N Other switches use normal to describe the position that makes a device turn OFF Switch contact ratings The remote switch circuit uses 12V at very low current measured in milliamps Contact ratings ar...

Page 19: ...air shielded cable to reduce the chance of damage from lightning induced surge See Section 4 2 Grounding and Lightning Protection Float Switch Cable from Dankoff Solar Products Item 10326 meets these...

Page 20: ...ing If you are not using a float switch terminals 4 and 5 must be connected Terminal 3 remains disconnected The product is pre wired this way at the factory Operation of the float switch system When t...

Page 21: ...n parallel connect the pump intakes together using a Y or a sweeping T fitting Install a check valve at each pump s outlet to prevent one pump from bypassing the other Finally connect the check valve...

Page 22: ...to increase Typical back pressure for a pool system is around 15 psi 1 bar Consider these suggestions to reduce the back pressure and increase the flow rate Efficient filtration Choose the filter care...

Page 23: ...al AC pool pump parallel to the solar pump Turn it on when the cleaner is needed If the solar installation is a retrofit this can be the original filter pump See Section 4 9 AC Backup B Add an accesso...

Page 24: ...unions To connect ABS pipe to the pump unions use cement that is approved for ABS pipe To connect PVC pipe to the pump unions use cement that is approved for connection of BOTH materials It is called...

Page 25: ...from any local pump supplier To prevent air from being drawn into suction pipe due to a suction whirlpool the foot valve may need to be submerged as much as three feet 1 m below the low water level T...

Page 26: ...lso be actuated by a manual switch timer thermostat etc Re label it if necessary BATTERY SYSTEMS ONLY BATTERY LOW tank light flashes Battery systems only battery voltage fell to 22V or 44V and has not...

Page 27: ...g of the strainer basket Strainer basket To remove debris from the strainer basket unscrew the lock ring and the clear lid and lift out the basket Never operate the pump without the strainer basket If...

Page 28: ...ies with the season Some people adjust the tilt twice per year Other people set it at a single setting as a permanent compromise Section 3 5 for details Solar Tracker If the system uses a solar tracke...

Page 29: ...8 5 Exploded View of Pump...

Page 30: ...2921141255 9 1 O RING DIFFUSER 98 x 5mm 2920117420 10 1 DIFFUSER 2921151105 10 1 1 ADAPTOR RING 2921123005 11 1 IMPELLER 12 2920143310 12 1 MECHANICAL SEAL 14mm 2921141220 13 1 O RING CASING 190 x 5 5...

Page 31: ...d start if the supply voltage is greater than 22V 24V system or 44V 48V system 2 If the pump was recently connected or reconnected to the controller it may be running in reverse direction due to wirin...

Page 32: ...y This is merely idle voltage It is high because no current is being drawn it sees no load 2 VOLTAGE UNDER LOAD with pump running This should be 60 73V with a 48V nominal array or 45 55V with 36V nomi...

Page 33: ...00 MW that means 100 million or 100 megohms A lower reading indicates an insulation fault in a power wire to the pump 9 4 If The Pump Runs But Flow Is Less Than Normal 1 Is the solar array receiving s...

Page 34: ...covered under 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 conseq...