Related Manuals for Atkinson Electronics SUNEXPLORER III Series
Summary of Contents for Atkinson Electronics SUNEXPLORER III Series
- Page 1 35Amp Solar MPT/PWM Charge Controller and Display Part#SEDCM SUNEXPLORER III™ Manufactured by: Atkinson Electronics, Inc.
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Page 2: Table Of Contents
Table of Contents Diagrams ......................... Description ......................Specifications ....................... Description of Operation ................Charging Graph & Stage Description ............. Wiring Diagram ....................Choosing a Mounting Location ..............Installation Instructions ................. Battery Type, Temperature Scale & Set Up Instructions ... Mounting Instructions ................. -
Page 3: Diagrams
Diagrams FRONT SIDE BACK SIDE www.atkinsonelectronics.com Circuit Board Division 800.261.3602 Revised 07/18... -
Page 4: Description
Description FRONT SIDE OF CONTROLLER 4 MOUNTING BRACKET SCREWS: Bracket clamps the wall paneling between faceplate and brackets, NO screws to come loose. BACKLIT LCD DISPLAY: 3 DIGITS 0.50” tall for easy reading. LED SELECTION INDICAT ORS: Lit red & green LED indicates which position is selected. ... -
Page 5: Specifications
Specifications Size & Weight: 4.0” H x 4.70” W x 0.75” D, 5.9 ounces Mounting: 3.5” H x 4.15” W cutout opening with mounting brackets Power: 9 to 16 DC from battery Maximum Charging Current (Amps): 35 Amps from solar panel array (620 watts max.) Maximum Charging Solar Voltage: 25VDC (open circuit voltage) from solar panel array... -
Page 6: Description Of Operation
Description of Operation The SunExplorer III is a six (6) stage, micro-processor based, Pulse Width Modulated (PWM), and Multi-Point Tracking (MPT), solar charge controller. The controller connects between the solar panels and 12VDC storage batteries to regulate charge. The SunExplorer III controller maintains maximum charging rates throughout each of the charging stages, maintains battery life by protecting it from over charging or under charging by regulating the PWM rates, and disconnects the batteries at night to prevent discharge thru the solar panels. -
Page 7: Charging Graph & Stage Description
Charging Graph & Stage Description Stage 1 – Soft Charge When the batteries are discharged below 10VDC, the controller will softly ramp the battery voltage up to 10VDC before applying the full bulk. Stage 2 – Bulk Charge Maximum charge current from solar panels until the batteries rise to the absorption voltage. Stage 3 –... -
Page 8: Wiring Diagram
Wiring Diagram www.atkinsonelectronics.com Circuit Board Division 800.261.3602 Revised 07/18... -
Page 9: Choosing A Mounting Location
Choosing a Mounting Location Most trailer manufacturers have a recommended location that provides easy accessibility for running wires from the charge controller to the batteries and solar panels mounted on the roof. The SunExplorer III-35 should be mounted: As close to the batteries as Feasibly possible, avoid long wire runs >10 feet, longer runs have higher voltage drops when charging. -
Page 10: Installation Instructions
Installation Instructions 1. Complete the installation of the solar panels. Follow the solar panel manufacturer’s instructions for solar panel mounting and wiring to a weather proof multi panel junction box. Cover panels with an opaque material (several layers of a thick blanket) until wiring is complete. -
Page 11: Battery Type, Temperature Scale & Set Up Instructions
Battery Type & Temperature Scale Set Up At this point in the installation you need to select your battery type and the temperature reading to be displayed in either °F or °C. 1. Check to make sure the shorting jumper is on the temperature sensor connector. Then insert the recommended fuse (amperage based on total solar panel wattage) into fuse holder. -
Page 12: Mounting Instructions
Mounting Instructions 1. Using a Phillip screw driver loosen the four mounting bracket screws until they reach the stops. Angle the screws and brackets inward as shown below. 2. Carefully work the wiring into the wall, and insert the mounting bracket into the opening, adjust the face plate to be parallel to the wall surface. -
Page 13: Power Up Initializations Routine
Power Up Initialization Routine Now that the installation of the SunExplorer III controller is complete, re-insert the fuse into the battery fuse holder to power the controller. If Powering up for the first time after installation or after replacing a battery, the SunExplorer III runs thru the following sequence: PV panels are still covered from installation process. -
Page 14: Led Indication
LED Indication The SunExplorer III controller has seven LEDs, six that only illuminate green, and one LED that can illuminate red, green, & orange depending on the charge stage it is in. Each LED and text correspond to what is being indicated on the LCD display screen. LCD displays: 0 to 100% 8 to 16.0 VDC... -
Page 15: User Select Button Installations
User Select Button Instructions 1. The SunExplorer III’s display will normally revert back to displaying the continuous battery percent remaining after approximately 4 minutes from any other reading. 2. Select button operation: a. Pressing the select button activates the back light for 15 seconds. b. -
Page 16: Trouble Shooting Tips
Trouble Shooting Tips Problem: The SunExplorer III display is blank and there are no LEDs lit. Solution: Check the Fuse in the Battery (positive) wire at the battery to see if it has blown. Recommend using a multi meter to Ohm the fuse. If the fuse is good then check the battery voltage at the battery and at the Controllers battery + terminal, they should be the same, above 8.0VDC. -
Page 17: Appendix A
Fault Indication Fault 1 – Low battery voltage. The SunExplorer III display has advanced to the battery voltage location and blinks both LED and display reading. This occurs when the battery voltage has dropped to 11.8VDC, a level that could start to damage your batteries. This generally occurs at night when the SunExplorer III cannot charge the batteries. - Page 18 When selecting the correct amperage rating for your in-line circuit breaker, first determine the maximum current output of your solar panel array by adding up the current at maximum Power (Imp) for each panel, then round up to the next standard amperage size. Example: (3) 150watt panels, Imp = 8.5Amps ea.
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Page 19: Appendix B
Appendix B Amp Verses Wire Gauge Chart www.atkinsonelectronics.com Circuit Board Division 800.261.3602 Revised 07/18... - Page 20 www.atkinsonelectronics.com Circuit Board Division 800.261.3602 Revised 07/18...
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Page 21: Limited Warranty
State to State or Country to Country. All products manufactured by Atkinson Electronics, Inc. are warranted to be free from defects in material and workmanship in accordance with and subject to the following terms and conditions: 1. -
Page 22: Appendix C
Appendix C Cut Out Template www.atkinsonelectronics.com Circuit Board Division 800.261.3602 Revised 07/18...
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