Go Power GPR-25 Owner's Manual
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Go Power GPR-25 Owner's Manual

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OWNER'S MANUAL
GPR-25 Regulator

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Summary of Contents for Go Power GPR-25

  • Page 1 OWNER’S MANUAL GPR-25 Regulator...

  • Page 3: Table Of Contents

    GPR-25 Regulator Owner’s Manual | Table of Contents Installation Overview....................4 Introduction .....................4 Specifications....................4 2. Warnings........................5 3. Tools and Materials Needed..................5 4. Choosing a Location....................5 5. Installation Instructions ....................6 6. Operating Instructions ....................6 7. Monitoring ........................7 8. Normal Status Scenarios....................7 9. Before You Read Troubleshooting ................8 10.

  • Page 4: Installation Overview

    When your battery has reached a 100% state of charge, the Regulator prevents overcharging by limiting the current flowing into the batteries. The GPR-25 is a 12 volt flush mounted photovoltaic charge regulator rated for a maximum current of 25 amps.

  • Page 5: Warnings

    Pencil or Marking Implement Electrical Tape * If the GPR-25 Charger Controller was purchased with a Go Power! Electric RV Solar Kit then UV resistant wire is included. For instructions regarding RV Charger Kit installation, please refer to the RV Charger Kit Installation Guide provided with the Kit.

  • Page 6: Installation Instructions

    3. Select wire type and gauge. If this GPR-25 was purchased as part of a Go Power! Electric Solar Kit, appropriate wire type, gauge, and length is provided. Please continue to Section 6, “Operating Instructions”.

  • Page 7: Monitoring

    - the pulse-charging feature of the GPR-25. In situations where outside ambient light is shining on the solar module, it may be possible for the charging light to be on after the sun has set.

  • Page 8: Before You Read Troubleshooting

    (1) Battery or fuse connection and/or solar array connection (Daytime only). (2) Battery or fuse connection (Nighttime only). (3) Defective GPR-25. How to tell: (1) & (2) Check the voltage at the regulator terminals labeled ‘Battery’ with a multimeter and compare with a reading at the battery terminals.

  • Page 9: Problems With Voltage

    Time of Day: Daytime Possible Cause: (1) Battery or fuse connection (2) Defective GPR-25. How to tell: (1) Check the voltage at the regulator terminals labeled ‘Battery’ with a multimeter and compare with a reading at the battery terminals. If there is no reading at the regulator terminals, the problem is somewhere in the wiring from the battery to the regulator.

  • Page 10: Problems With Current

    GPR-25 Regulator Owner’s Manual | 10.3 Problems with Current Voltage Reading: N/A Charge Light: N/A Current Reading: Less than expected Time of Day: Daytime Possible Cause: (1) Wrong series/parallel configuration and/or wiring connections and/or wire gauge. (2) Dirty or shaded module or lack of sun.

  • Page 11: Miscellaneous Problems

    Status: GPR-25 face plate hot to touch Possible Cause: (1) Defective GPR-25. Note: It is normal for the faceplate to get warm during operation. The symptom of a defective GPR-25 is only when then unit gets too hot to touch. Carmanah Technologies Corp. Copyright © 2007 Document number: GPR-25_Manual_v4.doc...

  • Page 12: Wiring Diagram

    GPR-25 Regulator Owner’s Manual | 11. Wiring Diagram Carmanah Technologies Corp. Copyright © 2007 Document number: GPR-25_Manual_v4.doc Last revised: June 21, 2007...

  • Page 13: Limited Warranty

    Owner’s Manual | 12. Limited Warranty 1. Carmanah warrants the GPR-25 for a period of five (5) years from the date of shipment from its factory. This warranty is valid against defects in materials and workmanship for the five (5) year warranty period.

  • Page 14: Photovoltaic System Glossary

    GPR-25 Regulator Owner’s Manual | Building 4, 203 Harbour Road Victoria, British Columbia Canada V9A 3S2 5. Ensure the product is not shipped collect, unless approved by management prior to Carmanah receiving said product, or THE PACKAGE WILL BE REFUSED.
  • Page 15 GPR-25 Regulator Owner’s Manual | Hydrometer: A device used to measure the specific gravity (SG) of the electrolyte in a wet acid battery. A hydrometer provides a very accurate way to see the true charge of a battery. Insolation: The solar energy received at a place over a given period. May be expressed as sunhours per day, watts per square meter per hour, or any number of other units.
  • Page 16 Need proper ventilation due to gassing and may need to be topped up with distilled water at regular intervals. Go Power! Corp. Copyright © 2007 Document number: GPR-25_Manual_v4.doc Last revised: June 21, 2007...
  • Page 17 Faceplate Mounting Template Four (4) Mounting Holes - Use #8/32 Self-Tapping Screws (Step #1, 7) Cutting Line for Flush Mounting - Use Jigsaw (Step #1) Outside Faceplate Edge IMPORTANT: Use this template insert to mount your faceplate.

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