Table of Contents
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Table of Contents
Troubleshooting
Summary of Contents for SunRotor Solar Pump
- Page 1 SunRotor Solar Pump ® Installation and Resource Manual...
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Page 2: Table Of Contents
ONTENTS Introduction ..............................3 Warranty Registration Form ........................4 Warnings ............................... 5 Solar Water Pumping System ........................6 SunRotor ® Submersible Pump ......................7 SunRotor Controller ..........................7 ® Solar Array Installation ..........................8 Sizing the Solar Array ........................... 8 Location of the Solar Array ........................ - Page 3 Centrifugal Pump End Maintenance .................... 31 11.3 Pump Motor Repair ......................... 31 11.4 Solar Panel Maintenance......................... 31 11.5 Miscellaneous ........................... 32 11.6 Repairs and Replacements ......................32 12 About Solar Power & Pump Company....................33 13 Additional Information ..........................34 www.sunrotor.com Page 2...
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Page 4: Introduction
To gain the maximum level of service and satisfaction from your pumping system, please carefully read the contents of this guide before installation. Should any questions arise after reading through this installation guide, please contact your local Authorized SunRotor Dealer, or call the SunRotor ®... -
Page 5: Warranty Registration Form
System Power PV-Direct Battery System If PV: Number of Panels Solar Panel Brand Solar Panel Wattage Watts Operating Voltage Well Depth Casing Diameter inches Static Water Level Pump Set Depth Lift above ground level Discharge Pressure, In Any www.sunrotor.com Page 4... -
Page 6: Warnings
If any questions or concerns regarding these warnings should arise, HIGHLY please contact your Authorized SunRotor ® Dealer or the SunRotor ®... -
Page 7: Solar Water Pumping System
2. Solar Module Mounting Rack 3. Water Pipe 9. DC Input Controller 4. Well Seal Assembly 10. Tank Full Tethered Float Switch with Weight 5. Low Water Sensor 11. Anti-freeze Bleeder Valve 6. Submersible Pump 12. Check Valve www.sunrotor.com Page 6... -
Page 8: Sunrotor ® Submersible Pump
After bolting everything back into place, the pump will run like it was new. If for any reason the motor goes out (no matter the warranty status), the SunRotor ®... -
Page 9: Solar Array Installation
For the best quality and economy, factory-built mounting racks are recommended. Pole-top racks are especially popular for solar water pumps. Factory-built racks are available from your Authorized SunRotor ® Dealer. Place the bottom of the array at least 2 feet (.6 m) above ground to clear rain spatter, growing vegetation and snow. -
Page 10: Mounting Pole Guide For Top-Of-Pole Mounts
The increased production from extra panels compensates for the lack of tracking, and eliminates the extra costs of having to repair and maintain the tracking system. Please consult your Authorized SunRotor Dealer for more information. ®... -
Page 11: Seasonal Tilt Of The Solar Array
50° 35° Central Mexico 20° 5° 35° 20° For additional tilt angles not listed, please consult the Mounting Rack Manual or Authorized SunRotor Dealer ® 5.7 S OLAR RRAY IRING : Photovoltaic arrays generate hazardous voltages. A 48 Volt (nominal) array ARNING can generate nearly 100 volts when disconnected from load. - Page 12 MC4 connectors on the controller are removed, be certain that the positive and negative wires are not crossed when connecting them to the controller. If unsure of the polarity or voltage, confirm with a voltmeter. Standard SunRotor controllers have reverse polarity ®...
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Page 13: Grounding And Lightning Protection
IGHTNING ROTECTION Lightning can damage solar pump systems if the following precautions are not taken. A proper connection to ground (earth) is important as it allows static electricity to discharge to earth—helping to prevent the attraction of lightning. In case of a nearby lightning strike, a well-grounded solar array support structure provides a path to conduct an induced surge of current around the electrical circuitry, preventing damage in most cases. - Page 14 SunRotor pump controllers have built-in surge protectors that help to protect them if the controller’s ® ground terminal is connected to an effective ground path. Bond the structural components and electrical enclosures. Interconnect the PV array frames, the mounting rack, and the ground terminals of all electrical devices, and run the wire to an earth connection.
- Page 15 2. Very poor grounding potential due to dry, rocky, or otherwise poorly conductive soil 3. Long wire run (more than 100 ft / 30 m) between array and wellhead, or between controller and remote float switch DC-rated surge protection devices are available from your Authorized SunRotor Dealer. ®...
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Page 16: Pump Controller Installation
OTOR ONTROLLER ESIGN 6.1 P & A ONTROLLERS CCESSORIES All SunRotor solar pumps require a SunRotor controller. The standard SunRotor controller ® ® ® features adjustable speed control, low water and tank full sensor connections, linear current boosting technology, and an adjustable timer that allows well recovery (up to 30 min) after the low water sensor has been tripped. -
Page 17: Locating And Mounting The Controller
There are other models available that offer fewer features than the standard controller. The overall function is the same, and the wiring is similar. If any controller other than the SRC-M50T, SRC- M100T, or SRC-M200T is purchased, please contact your Authorized SunRotor ®... -
Page 18: Remote Float Switch
7.1 W IZING All SunRotor solar pump systems require a minimum of 10 gauge pump cable, except when the ® TDH is greater than 300 ft., in which 8 gauge pump cable is required. It is also recommended that any and all additional instrument cable not provided with purchased sensors and float switches be a minimum of 18 gauge shield twisted-pair cable. -
Page 19: Installing The Check Valve
NSTALLING THE HECK ALVE All SunRotor ® solar pumps are shipped with a check valve that must be installed prior to setting the pump. These are used to protect the pump from water pressure driving it in the reverse direction, which could generate potentially harmful voltage to the controller. -
Page 20: Splicing The Wires
PLICING THE IRES Properly splicing the pump and sensor wires is a key step during the solar pump installation process. The recommended process includes the use adhesive-filled heat shrink tubing. After stripping the ends of the wires, use the provided crimp connectors to merge the two ends. Place both ends into the heat shrink tubing—and with a standard hot hair heat gun or flame torch—work from the middle... -
Page 21: Freeze Protection
(See Figure 4-1 Solar Pump Diagram). Alternatively, the use of a pitless adapter may be used. -
Page 22: Wellhead Components
The use of flexible conduit running from the top of the well seal or cap to the controller is recommended. This will help against contamination and damage from animals. Please inform your Authorized SunRotor ® Dealer if the use of flexible conduit is planned, as additional parts are needed. -
Page 23: Water Sanitization
8.2 M ACHINE NSTALLATION If professionally equipped to install conventional AC submersible pumps, the same equipment can be ® used for SunRotor solar pumps. This method is used primarily for pumps with a set depth of 150 ft www.sunrotor.com Page 22... -
Page 24: Hand Installation
UNNING THE ABLES Run the pump and low water sensor cables through well seal assembly to the specified grommets on the bottom of the controller (See Figure 6-1 SunRotor Controller Design). ® If using flexible conduit, attach one end to the top of the well seal assembly and run the wires though it. -
Page 25: Wiring The System
Solar Power & Pump Company is not liable for personal injury or damage to the equipment. Please read through this entire section prior to wiring the system. If any questions or concerns on safety or correct wiring are present this process, please contact your Authorized SunRotor ® Dealer or the SunRotor ®... - Page 26 Figure 9-1 SunRotor ® Pump Controller Wiring Diagram to wire the pump properly (typically terminal 1: black; terminal 2: blue; terminal 3: brown on most SunRotor ® model solar pumps). If unsure, attach the pump wires to any Page 25 www.sunrotor.com...
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Page 27: Wiring Power To The Controller
This will reverse the pump rotation. Turn the pump back on, and confirm water flows at the proper rate from the pipe. If no water flows after switching two wires, turn the power off and contact either your Authorized SunRotor ®... -
Page 28: Inspect The System
If inspection is not feasible, bypass the sensor or test it electronically. 1. If the sensor is being used, there must be a wire used to jumper the COM1 and WH terminals. 2. The sensor must be mounted vertically (within about 10°). Page 27 www.sunrotor.com... -
Page 29: Electrical Testing
If there is any resistance other than ∞ Resistance between Check both open and closed circuit Ohms 0 or , your Tank Full may trip, Ω ... Ω float switch wires resistances causing unwanted stopping of pump www.sunrotor.com Page 28... - Page 30 : These tests pose potential shock and burn hazards to both equipment and ARNING person. Follow appropriate safety precautions. If unsure, hire a professional. Solar Power & Pump Company is not liable for personal injury or damage to equipment. Page 29 www.sunrotor.com...
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Page 31: Troubleshooting Checklist
HECKLIST The following items may be causing the solar water pumping system to have less than expected flow rate or pump failure. Be sure to go through the list before contacting your Authorized SunRotor ® Dealer or calling the SunRotor ®... -
Page 32: Helical Rotor Pump End Maintenance
Depending on the region the system is installed, a few key procedures will help in maintaining the required water demand. Many solar pump installations will be located in fields and other rural areas, prone to the elements and dirt blown by the wind. If accessible, wipe or hose down the solar Page 31 www.sunrotor.com... -
Page 33: Miscellaneous
11.6 EPAIRS AND EPLACEMENTS In the event that the pump needs to be repaired and/or replaced, contact the SunRotor ® Technical Services Team at 1(866) 246-7652 or 1(580) 303-4015. You will be provided with an RMA number. -
Page 34: About Solar Power & Pump Company
SunRotor ® solar pump was introduced to the market. Since then, more models have been added, as well as new features, with new and innovative designs and functions planned for the future. -
Page 35: Additional Information
Solar Power & Pump Company prides itself on offering each and every customer with easy access to as much information as needed—no matter the reason or motivation. Below are some additional links that may be of use. SunRotor ® Downloads and Resources—all of the products’ spec sheets, warranty, and other educational documents are available here https://www.sunrotor.com/downloads...
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