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www.atkinsonelectronics.com

                                                                                                   Circuit Board Division 

800.261.3602 

 

Revised 07/18

 

 

Limited Warranty 

Atkinson  Electronics,  Inc.  gives  this  express  warranty  (along  with  extended  warranty  endorsements,  where 
applicable)  in  lieu  of  all  other  warranties,  express  or  implied,  including  (without  limitation),  warranties  of 
merchantability and fitness for a particular purpose.  This constitutes Atkinson Electronics, Inc.'s sole warranty 
and obligation with regard to our products as well as the customer's sole remedy. 
Atkinson  Electronics,  Inc.  expressly  disclaims  all  liability  and  responsibility  for  any  special,  indirect  or 
consequential damages or any further loss of any kind whatsoever resulting from the use of our product.  The 
customer's  sole  and  exclusive  remedy  and  the  limit  of  Atkinson  Electronics,  Inc.'s  liability  for  any  loss 
whatsoever, shall not exceed the purchase price paid by the customer for the product to which a claim is made. 
Countries  or  States  that  do not  allow  limitations  of  incidental  or  consequential damages or  on how  long  an 
implied warranty lasts, the above limitations may not apply to you.  This warranty gives you specific legal rights 
and you may also have other rights which vary from 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.

 

This warranty is limited to the original customer only.   It cannot be transferred or assigned to third 
parties unless the intent to transfer to a third party is expressly indicated in a purchase order and/or 
warranty processing arrangements have been agreed upon in writing by Atkinson Electronics, Inc. 

2.

 

Atkinson Electronics, Inc. will correct any defects in material or workmanship which appear within two 
(2) years from the date of shipment by Atkinson Electronics, Inc. (or its authorized distributors) to the 
original customer.  Atkinson Electronics, Inc. will repair or replace, at our option, any defective products, 
provided that our inspection discloses that such defects developed under normal and proper use.  This 
warranty does not extend to goods subjected to misuse, neglect, accident or improper installation, or 
to maintenance or repair of products which have been altered or repaired by anyone except Atkinson 
Electronics, Inc., unless otherwise stated in writing.  Atkinson Electronics, Inc. will correct any defects 
in  material  or  workmanship  of OEM  products (designated  as  such in  our  catalog  or  web  site) which 
appear within two (2) years from the product date code or from the factory invoice date, whichever is 
later. 

3.

 

An appropriate charge (25% of product list price) may be made for testing, repairs, replacement and 
shipping for a returned product which is not defective or found to be defective as the result of improper 
use, maintenance or neglect. 

4.

 

Atkinson Electronics, Inc. will not accept responsibility for any invoiced goods or services that are not 
covered by an Atkinson Electronics, Inc. written purchase order.  Under no circumstances does Atkinson 
Electronics, Inc. agree to pay for labor or other related expenses associated with the troubleshooting 
and/or repair of our product without prior specific written authorization. 

5.

 

 Information in our descriptive literature is based on product specifications that are current at the time 
of publication. 

Product specifications, design and descriptive literature are subject to change as improvements are 
introduced.  Although we announce changes as they occur, we cannot guarantee notification to every 
customer.  Atkinson Electronics, Inc. warrants delivered products to conform to the most current 
specifications, design and descriptive literature.  This warranty policy may be expanded or limited, for 
particular categories of products or customers, by information sheets published as deemed appropriate by 
Atkinson Electronics, Inc. 

18 

Summary of Contents for SUNEXPLORER III Series

Page 1: ...35Amp Solar MPT PWM Charge Controller and Display Part SEDCM SUNEXPLORER III Manufactured by Atkinson Electronics Inc ...

Page 2: ...age Description 5 Wiring Diagram 6 Choosing a Mounting Location 7 Installation Instructions 8 Battery Type Temperature Scale Set Up Instructions 9 Mounting Instructions 10 Power Up Initializations Routine 11 LED Indication 12 User Select Button Installations 13 Trouble Shooting Tips 14 Fault Indications Cleaning Tips 13 Appendix A 16 Appendix B 17 Limited Warranty 18 Appendix C 19 ...

Page 3: ...www atkinsonelectronics com Circuit Board Division 800 261 3602 Revised 07 18 Diagrams FRONT SIDE BACK SIDE 1 ...

Page 4: ...tery voltage dropping below 13 0V while in float stage for 5 minutes ORANGE Equalization Charge BACK SIDE OF CONTROLLER DISPLAYS MICRO PROCESSOR Microprocessor controls all displays and read out functions 4 MOUNTING BRACKET SCREWS Bracket clamps the wall paneling between face plate and brackets no screw to come loose MOUNTING OPENING SIZE Minimum opening size is 4 10 x 3 40 0 10 Maximum opening si...

Page 5: ...de Current Draw 35mA with back light on Display 3 digit LCD to 999 or 99 9 with decimal 0 5 character height Battery Percent 12 8V 100 12 55V 75 12 4V 50 Remaining 11 75V 25 10 5V 0 Low Battery Detects low battery 11 8V Battery Type Wet AGM Sealed Gel default is wet battery Temp Sensors LM335T PT Required for temperature compensation Available in 96 or 192 wire lengths Temperature Compensation 24m...

Page 6: ...n the battery voltage before it started charging Once it completes the absorption phase it then drops into the float stage maintaining the battery voltage at 13 7V by adjusting its PWM algorithm to compensate for varying solar sunny cloudy and DC load conditions to maintain float voltage If solar or load conditions are such that the battery voltage is pulled below 13 0VDC for more than 10 minutes ...

Page 7: ...d below 12 0VDC the controller will automatically run the equalization stage to bring the internal cells of the batteries to an equal state and reverse the loss of capacity to being discharged below 12 0VDC once every 28 days Stage 5 Float Charge The Batteries are fully charged at this point and are maintained at a safe voltage level During the float charge the controller is constantly adjusting i...

Page 8: ...www atkinsonelectronics com Circuit Board Division 800 261 3602 Revised 07 18 Wiring Diagram 6 ...

Page 9: ...ays wear protective eye wear and appropriate clothing observe all safety precautions of the battery manufacturer When batteries are charging they produce hydrogen gas which is highly explosive Avoid any sparks or open flame when charging Always cover the solar panels with a thick cloth or blanket to block out ALL light before connecting the panel wiring to the charge controller Avoid accidental sh...

Page 10: ...imum Cable Length from solar panels to battery bank 4 If possible use red and black cables or mark both ends of each cable with colored tape to indicate which cable is positive and negative to avoid possibly hooking the cables up backwards and damaging the controller 5 Run the wires from the solar panels and the batteries to the location of where the SunExplorer III controller will be mounted If a...

Page 11: ...GM cell It will show each for 5 seconds 4 When the display is showing correct battery type press and hold the select button for 5 seconds this stores the battery type the left two characters stop flashing and the right character will begin flashing and alternate between the two temperature scales F Fahrenheit and C Celsius 5 When it shows the temperature scale you want press and hold the select bu...

Page 12: ...ng bracket into the opening adjust the face plate to be parallel to the wall surface 3 Center the controller in the opening against the wall using a Philips screw driver tighten each screw 10 to 14 full turns This brings the mounting clip evenly toward the wall and face plate 4 Adjust each screw until it comes in contact with the wall Readjust the face plate if needed to align or center it in the ...

Page 13: ...ale Battery Temperature 77 F Displays actual temperature if temperature sensor is connected Solar Voltage LPu Low PV voltage panels are still covered or its night time example 19 5 V if panels are uncovered and its day time Solar Charge Amps 0 0 Still in night mode example 25 0 Amp if panels are uncovered Solar Charge Amp Hours 0 0 unit has begun to charge LED Charge Status LED GREEN night mode n_...

Page 14: ... charge stage lighting the charge status LED red When the battery has charged to the bulk absorption voltage threshold the controller enters the absorption charge stage charge status LED remains red If you scroll down to the charge status position the LED will blink red and LCD displays Ach Once the absorption time has been satisfied the controller enters the Float stage If the controller is in th...

Page 15: ...ck display from timing out and reverting to battery remaining advance display to desired position then press and hold the button until the display flashes approximately 3 seconds ii Release the button when the display starts flashing it will remain indefinitely in that reading or until the select button is pressed again iii Advancing to the next reading cancels the lock mode iv Low battery voltage...

Page 16: ...r III s display scroll down to Solar panel voltage if the solar panel voltage is less than the minimum required voltage to charge the batteries it will display Lpu low panel voltage Check to see if something is covering or blocking the sun light from reaching the solar panels Check to make sure the panels are not too dirty to supply a high enough voltage for the controller to go into charge mode I...

Page 17: ... to prevent further heating of the batteries Once the battery temperature drops below 125 degrees F the SunExplorer III will regulate the charge to keep the battery s temperature from increasing Once the temperature has dropped enough to resume normal PWM charge rate the display will stop flashing Cleaning Tips Warnings Do not spray water or cleaning solution directly on the face plate or LCD of t...

Page 18: ...3 150watt panels Imp 8 5Amps ea Total Imp 25 4Amps Recommended fuse or circuit breaker size 30 Amps In line Fuse examples Resettable or Blade type Bussman Maxi in line fuse holder Part number HHX 6 Awg wire Bussman Maxi Fuse Available in 20 25 30 35 40 50 Amps Part number CB185 XX XX Amp rating Bussman Resettable Circuit Breaker Available in 20 25 30 35 40 50 Amps XX AMP rating Automotive Audio Re...

Page 19: ...www atkinsonelectronics com Circuit Board Division 800 261 3602 Revised 07 18 Appendix B Amp Verses Wire Gauge Chart ...

Page 20: ...www atkinsonelectronics com Circuit Board Division 800 261 3602 Revised 07 18 17 ...

Page 21: ...date of shipment by Atkinson Electronics Inc or its authorized distributors to the original customer Atkinson Electronics Inc will repair or replace at our option any defective products provided that our inspection discloses that such defects developed under normal and proper use This warranty does not extend to goods subjected to misuse neglect accident or improper installation or to maintenance ...

Page 22: ...www atkinsonelectronics com Circuit Board Division 800 261 3602 Revised 07 18 Appendix C Cut Out Template 19 ...

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